1 /*
2 * Functions dedicated to statistics output and the stats socket
3 *
4 * Copyright 2000-2012 Willy Tarreau <w@1wt.eu>
5 * Copyright 2007-2009 Krzysztof Piotr Oledzki <ole@ans.pl>
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version
10 * 2 of the License, or (at your option) any later version.
11 *
12 */
13
14 #include <ctype.h>
15 #include <errno.h>
16 #include <fcntl.h>
17 #include <stdio.h>
18 #include <stdlib.h>
19 #include <string.h>
20 #include <pwd.h>
21 #include <grp.h>
22
23 #include <sys/socket.h>
24 #include <sys/stat.h>
25 #include <sys/types.h>
26
27 #include <haproxy/api.h>
28 #include <haproxy/applet-t.h>
29 #include <haproxy/backend.h>
30 #include <haproxy/base64.h>
31 #include <haproxy/cfgparse.h>
32 #include <haproxy/channel.h>
33 #include <haproxy/check.h>
34 #include <haproxy/cli.h>
35 #include <haproxy/compression.h>
36 #include <haproxy/debug.h>
37 #include <haproxy/errors.h>
38 #include <haproxy/fd.h>
39 #include <haproxy/freq_ctr.h>
40 #include <haproxy/frontend.h>
41 #include <haproxy/global.h>
42 #include <haproxy/http.h>
43 #include <haproxy/http_htx.h>
44 #include <haproxy/htx.h>
45 #include <haproxy/list.h>
46 #include <haproxy/listener.h>
47 #include <haproxy/log.h>
48 #include <haproxy/map-t.h>
49 #include <haproxy/pattern-t.h>
50 #include <haproxy/pipe.h>
51 #include <haproxy/pool.h>
52 #include <haproxy/proxy.h>
53 #include <haproxy/resolvers.h>
54 #include <haproxy/server.h>
55 #include <haproxy/session.h>
56 #include <haproxy/ssl_sock.h>
57 #include <haproxy/stats.h>
58 #include <haproxy/stream.h>
59 #include <haproxy/stream_interface.h>
60 #include <haproxy/task.h>
61 #include <haproxy/ticks.h>
62 #include <haproxy/time.h>
63 #include <haproxy/tools.h>
64 #include <haproxy/uri_auth-t.h>
65 #include <haproxy/version.h>
66
67
68 /* status codes available for the stats admin page (strictly 4 chars length) */
69 const char *stat_status_codes[STAT_STATUS_SIZE] = {
70 [STAT_STATUS_DENY] = "DENY",
71 [STAT_STATUS_DONE] = "DONE",
72 [STAT_STATUS_ERRP] = "ERRP",
73 [STAT_STATUS_EXCD] = "EXCD",
74 [STAT_STATUS_NONE] = "NONE",
75 [STAT_STATUS_PART] = "PART",
76 [STAT_STATUS_UNKN] = "UNKN",
77 [STAT_STATUS_IVAL] = "IVAL",
78 };
79
80 /* These are the field names for each INF_* field position. Please pay attention
81 * to always use the exact same name except that the strings for new names must
82 * be lower case or CamelCase while the enum entries must be upper case.
83 */
84 const struct name_desc info_fields[INF_TOTAL_FIELDS] = {
85 [INF_NAME] = { .name = "Name", .desc = "Product name" },
86 [INF_VERSION] = { .name = "Version", .desc = "Product version" },
87 [INF_RELEASE_DATE] = { .name = "Release_date", .desc = "Date of latest source code update" },
88 [INF_NBTHREAD] = { .name = "Nbthread", .desc = "Number of started threads (global.nbthread)" },
89 [INF_NBPROC] = { .name = "Nbproc", .desc = "Number of started worker processes (global.nbproc)" },
90 [INF_PROCESS_NUM] = { .name = "Process_num", .desc = "Relative worker process number (1..Nbproc)" },
91 [INF_PID] = { .name = "Pid", .desc = "This worker process identifier for the system" },
92 [INF_UPTIME] = { .name = "Uptime", .desc = "How long ago this worker process was started (days+hours+minutes+seconds)" },
93 [INF_UPTIME_SEC] = { .name = "Uptime_sec", .desc = "How long ago this worker process was started (seconds)" },
94 [INF_START_TIME_SEC] = { .name = "Start_time_sec", .desc = "Start time in seconds" },
95 [INF_MEMMAX_MB] = { .name = "Memmax_MB", .desc = "Worker process's hard limit on memory usage in MB (-m on command line)" },
96 [INF_MEMMAX_BYTES] = { .name = "Memmax_bytes", .desc = "Worker process's hard limit on memory usage in byes (-m on command line)" },
97 [INF_POOL_ALLOC_MB] = { .name = "PoolAlloc_MB", .desc = "Amount of memory allocated in pools (in MB)" },
98 [INF_POOL_ALLOC_BYTES] = { .name = "PoolAlloc_bytes", .desc = "Amount of memory allocated in pools (in bytes)" },
99 [INF_POOL_USED_MB] = { .name = "PoolUsed_MB", .desc = "Amount of pool memory currently used (in MB)" },
100 [INF_POOL_USED_BYTES] = { .name = "PoolUsed_bytes", .desc = "Amount of pool memory currently used (in bytes)" },
101 [INF_POOL_FAILED] = { .name = "PoolFailed", .desc = "Number of failed pool allocations since this worker was started" },
102 [INF_ULIMIT_N] = { .name = "Ulimit-n", .desc = "Hard limit on the number of per-process file descriptors" },
103 [INF_MAXSOCK] = { .name = "Maxsock", .desc = "Hard limit on the number of per-process sockets" },
104 [INF_MAXCONN] = { .name = "Maxconn", .desc = "Hard limit on the number of per-process connections (configured or imposed by Ulimit-n)" },
105 [INF_HARD_MAXCONN] = { .name = "Hard_maxconn", .desc = "Hard limit on the number of per-process connections (imposed by Memmax_MB or Ulimit-n)" },
106 [INF_CURR_CONN] = { .name = "CurrConns", .desc = "Current number of connections on this worker process" },
107 [INF_CUM_CONN] = { .name = "CumConns", .desc = "Total number of connections on this worker process since started" },
108 [INF_CUM_REQ] = { .name = "CumReq", .desc = "Total number of requests on this worker process since started" },
109 [INF_MAX_SSL_CONNS] = { .name = "MaxSslConns", .desc = "Hard limit on the number of per-process SSL endpoints (front+back), 0=unlimited" },
110 [INF_CURR_SSL_CONNS] = { .name = "CurrSslConns", .desc = "Current number of SSL endpoints on this worker process (front+back)" },
111 [INF_CUM_SSL_CONNS] = { .name = "CumSslConns", .desc = "Total number of SSL endpoints on this worker process since started (front+back)" },
112 [INF_MAXPIPES] = { .name = "Maxpipes", .desc = "Hard limit on the number of pipes for splicing, 0=unlimited" },
113 [INF_PIPES_USED] = { .name = "PipesUsed", .desc = "Current number of pipes in use in this worker process" },
114 [INF_PIPES_FREE] = { .name = "PipesFree", .desc = "Current number of allocated and available pipes in this worker process" },
115 [INF_CONN_RATE] = { .name = "ConnRate", .desc = "Number of front connections created on this worker process over the last second" },
116 [INF_CONN_RATE_LIMIT] = { .name = "ConnRateLimit", .desc = "Hard limit for ConnRate (global.maxconnrate)" },
117 [INF_MAX_CONN_RATE] = { .name = "MaxConnRate", .desc = "Highest ConnRate reached on this worker process since started (in connections per second)" },
118 [INF_SESS_RATE] = { .name = "SessRate", .desc = "Number of sessions created on this worker process over the last second" },
119 [INF_SESS_RATE_LIMIT] = { .name = "SessRateLimit", .desc = "Hard limit for SessRate (global.maxsessrate)" },
120 [INF_MAX_SESS_RATE] = { .name = "MaxSessRate", .desc = "Highest SessRate reached on this worker process since started (in sessions per second)" },
121 [INF_SSL_RATE] = { .name = "SslRate", .desc = "Number of SSL connections created on this worker process over the last second" },
122 [INF_SSL_RATE_LIMIT] = { .name = "SslRateLimit", .desc = "Hard limit for SslRate (global.maxsslrate)" },
123 [INF_MAX_SSL_RATE] = { .name = "MaxSslRate", .desc = "Highest SslRate reached on this worker process since started (in connections per second)" },
124 [INF_SSL_FRONTEND_KEY_RATE] = { .name = "SslFrontendKeyRate", .desc = "Number of SSL keys created on frontends in this worker process over the last second" },
125 [INF_SSL_FRONTEND_MAX_KEY_RATE] = { .name = "SslFrontendMaxKeyRate", .desc = "Highest SslFrontendKeyRate reached on this worker process since started (in SSL keys per second)" },
126 [INF_SSL_FRONTEND_SESSION_REUSE_PCT] = { .name = "SslFrontendSessionReuse_pct", .desc = "Percent of frontend SSL connections which did not require a new key" },
127 [INF_SSL_BACKEND_KEY_RATE] = { .name = "SslBackendKeyRate", .desc = "Number of SSL keys created on backends in this worker process over the last second" },
128 [INF_SSL_BACKEND_MAX_KEY_RATE] = { .name = "SslBackendMaxKeyRate", .desc = "Highest SslBackendKeyRate reached on this worker process since started (in SSL keys per second)" },
129 [INF_SSL_CACHE_LOOKUPS] = { .name = "SslCacheLookups", .desc = "Total number of SSL session ID lookups in the SSL session cache on this worker since started" },
130 [INF_SSL_CACHE_MISSES] = { .name = "SslCacheMisses", .desc = "Total number of SSL session ID lookups that didn't find a session in the SSL session cache on this worker since started" },
131 [INF_COMPRESS_BPS_IN] = { .name = "CompressBpsIn", .desc = "Number of bytes submitted to the HTTP compressor in this worker process over the last second" },
132 [INF_COMPRESS_BPS_OUT] = { .name = "CompressBpsOut", .desc = "Number of bytes emitted by the HTTP compressor in this worker process over the last second" },
133 [INF_COMPRESS_BPS_RATE_LIM] = { .name = "CompressBpsRateLim", .desc = "Limit of CompressBpsOut beyond which HTTP compression is automatically disabled" },
134 [INF_ZLIB_MEM_USAGE] = { .name = "ZlibMemUsage", .desc = "Amount of memory currently used by HTTP compression on the current worker process (in bytes)" },
135 [INF_MAX_ZLIB_MEM_USAGE] = { .name = "MaxZlibMemUsage", .desc = "Limit on the amount of memory used by HTTP compression above which it is automatically disabled (in bytes, see global.maxzlibmem)" },
136 [INF_TASKS] = { .name = "Tasks", .desc = "Total number of tasks in the current worker process (active + sleeping)" },
137 [INF_RUN_QUEUE] = { .name = "Run_queue", .desc = "Total number of active tasks+tasklets in the current worker process" },
138 [INF_IDLE_PCT] = { .name = "Idle_pct", .desc = "Percentage of last second spent waiting in the current worker thread" },
139 [INF_NODE] = { .name = "node", .desc = "Node name (global.node)" },
140 [INF_DESCRIPTION] = { .name = "description", .desc = "Node description (global.description)" },
141 [INF_STOPPING] = { .name = "Stopping", .desc = "1 if the worker process is currently stopping, otherwise zero" },
142 [INF_JOBS] = { .name = "Jobs", .desc = "Current number of active jobs on the current worker process (frontend connections, master connections, listeners)" },
143 [INF_UNSTOPPABLE_JOBS] = { .name = "Unstoppable Jobs", .desc = "Current number of unstoppable jobs on the current worker process (master connections)" },
144 [INF_LISTENERS] = { .name = "Listeners", .desc = "Current number of active listeners on the current worker process" },
145 [INF_ACTIVE_PEERS] = { .name = "ActivePeers", .desc = "Current number of verified active peers connections on the current worker process" },
146 [INF_CONNECTED_PEERS] = { .name = "ConnectedPeers", .desc = "Current number of peers having passed the connection step on the current worker process" },
147 [INF_DROPPED_LOGS] = { .name = "DroppedLogs", .desc = "Total number of dropped logs for current worker process since started" },
148 [INF_BUSY_POLLING] = { .name = "BusyPolling", .desc = "1 if busy-polling is currently in use on the worker process, otherwise zero (config.busy-polling)" },
149 [INF_FAILED_RESOLUTIONS] = { .name = "FailedResolutions", .desc = "Total number of failed DNS resolutions in current worker process since started" },
150 [INF_TOTAL_BYTES_OUT] = { .name = "TotalBytesOut", .desc = "Total number of bytes emitted by current worker process since started" },
151 [INF_TOTAL_SPLICED_BYTES_OUT] = { .name = "TotalSplicdedBytesOut", .desc = "Total number of bytes emitted by current worker process through a kernel pipe since started" },
152 [INF_BYTES_OUT_RATE] = { .name = "BytesOutRate", .desc = "Number of bytes emitted by current worker process over the last second" },
153 [INF_DEBUG_COMMANDS_ISSUED] = { .name = "DebugCommandsIssued", .desc = "Number of debug commands issued on this process (anything > 0 is unsafe)" },
154 [INF_CUM_LOG_MSGS] = { .name = "CumRecvLogs", .desc = "Total number of log messages received by log-forwarding listeners on this worker process since started" },
155 [INF_BUILD_INFO] = { .name = "Build info", .desc = "Build info" },
156 [INF_TAINTED] = { .name = "Tainted", .desc = "Experimental features used" },
157 };
158
159 const struct name_desc stat_fields[ST_F_TOTAL_FIELDS] = {
160 [ST_F_PXNAME] = { .name = "pxname", .desc = "Proxy name" },
161 [ST_F_SVNAME] = { .name = "svname", .desc = "Server name" },
162 [ST_F_QCUR] = { .name = "qcur", .desc = "Number of current queued connections" },
163 [ST_F_QMAX] = { .name = "qmax", .desc = "Highest value of queued connections encountered since process started" },
164 [ST_F_SCUR] = { .name = "scur", .desc = "Number of current sessions on the frontend, backend or server" },
165 [ST_F_SMAX] = { .name = "smax", .desc = "Highest value of current sessions encountered since process started" },
166 [ST_F_SLIM] = { .name = "slim", .desc = "Frontend/listener/server's maxconn, backend's fullconn" },
167 [ST_F_STOT] = { .name = "stot", .desc = "Total number of sessions since process started" },
168 [ST_F_BIN] = { .name = "bin", .desc = "Total number of request bytes since process started" },
169 [ST_F_BOUT] = { .name = "bout", .desc = "Total number of response bytes since process started" },
170 [ST_F_DREQ] = { .name = "dreq", .desc = "Total number of denied requests since process started" },
171 [ST_F_DRESP] = { .name = "dresp", .desc = "Total number of denied responses since process started" },
172 [ST_F_EREQ] = { .name = "ereq", .desc = "Total number of invalid requests since process started" },
173 [ST_F_ECON] = { .name = "econ", .desc = "Total number of failed connections to server since the worker process started" },
174 [ST_F_ERESP] = { .name = "eresp", .desc = "Total number of invalid responses since the worker process started" },
175 [ST_F_WRETR] = { .name = "wretr", .desc = "Total number of server connection retries since the worker process started" },
176 [ST_F_WREDIS] = { .name = "wredis", .desc = "Total number of server redispatches due to connection failures since the worker process started" },
177 [ST_F_STATUS] = { .name = "status", .desc = "Frontend/listen status: OPEN/WAITING/FULL/STOP; backend: UP/DOWN; server: last check status" },
178 [ST_F_WEIGHT] = { .name = "weight", .desc = "Server's effective weight, or sum of active servers' effective weights for a backend" },
179 [ST_F_ACT] = { .name = "act", .desc = "Total number of active UP servers with a non-zero weight" },
180 [ST_F_BCK] = { .name = "bck", .desc = "Total number of backup UP servers with a non-zero weight" },
181 [ST_F_CHKFAIL] = { .name = "chkfail", .desc = "Total number of failed individual health checks per server/backend, since the worker process started" },
182 [ST_F_CHKDOWN] = { .name = "chkdown", .desc = "Total number of failed checks causing UP to DOWN server transitions, per server/backend, since the worker process started" },
183 [ST_F_LASTCHG] = { .name = "lastchg", .desc = "How long ago the last server state changed, in seconds" },
184 [ST_F_DOWNTIME] = { .name = "downtime", .desc = "Total time spent in DOWN state, for server or backend" },
185 [ST_F_QLIMIT] = { .name = "qlimit", .desc = "Limit on the number of connections in queue, for servers only (maxqueue argument)" },
186 [ST_F_PID] = { .name = "pid", .desc = "Relative worker process number (1..nbproc)" },
187 [ST_F_IID] = { .name = "iid", .desc = "Frontend or Backend numeric identifier ('id' setting)" },
188 [ST_F_SID] = { .name = "sid", .desc = "Server numeric identifier ('id' setting)" },
189 [ST_F_THROTTLE] = { .name = "throttle", .desc = "Throttling ratio applied to a server's maxconn and weight during the slowstart period (0 to 100%)" },
190 [ST_F_LBTOT] = { .name = "lbtot", .desc = "Total number of requests routed by load balancing since the worker process started (ignores queue pop and stickiness)" },
191 [ST_F_TRACKED] = { .name = "tracked", .desc = "Name of the other server this server tracks for its state" },
192 [ST_F_TYPE] = { .name = "type", .desc = "Type of the object (Listener, Frontend, Backend, Server)" },
193 [ST_F_RATE] = { .name = "rate", .desc = "Total number of sessions processed by this object over the last second (sessions for listeners/frontends, requests for backends/servers)" },
194 [ST_F_RATE_LIM] = { .name = "rate_lim", .desc = "Limit on the number of sessions accepted in a second (frontend only, 'rate-limit sessions' setting)" },
195 [ST_F_RATE_MAX] = { .name = "rate_max", .desc = "Highest value of sessions per second observed since the worker process started" },
196 [ST_F_CHECK_STATUS] = { .name = "check_status", .desc = "Status report of the server's latest health check, prefixed with '*' if a check is currently in progress" },
197 [ST_F_CHECK_CODE] = { .name = "check_code", .desc = "HTTP/SMTP/LDAP status code reported by the latest server health check" },
198 [ST_F_CHECK_DURATION] = { .name = "check_duration", .desc = "Total duration of the latest server health check, in milliseconds" },
199 [ST_F_HRSP_1XX] = { .name = "hrsp_1xx", .desc = "Total number of HTTP responses with status 100-199 returned by this object since the worker process started" },
200 [ST_F_HRSP_2XX] = { .name = "hrsp_2xx", .desc = "Total number of HTTP responses with status 200-299 returned by this object since the worker process started" },
201 [ST_F_HRSP_3XX] = { .name = "hrsp_3xx", .desc = "Total number of HTTP responses with status 300-399 returned by this object since the worker process started" },
202 [ST_F_HRSP_4XX] = { .name = "hrsp_4xx", .desc = "Total number of HTTP responses with status 400-499 returned by this object since the worker process started" },
203 [ST_F_HRSP_5XX] = { .name = "hrsp_5xx", .desc = "Total number of HTTP responses with status 500-599 returned by this object since the worker process started" },
204 [ST_F_HRSP_OTHER] = { .name = "hrsp_other", .desc = "Total number of HTTP responses with status <100, >599 returned by this object since the worker process started (error -1 included)" },
205 [ST_F_HANAFAIL] = { .name = "hanafail", .desc = "Total number of failed checks caused by an 'on-error' directive after an 'observe' condition matched" },
206 [ST_F_REQ_RATE] = { .name = "req_rate", .desc = "Number of HTTP requests processed over the last second on this object" },
207 [ST_F_REQ_RATE_MAX] = { .name = "req_rate_max", .desc = "Highest value of http requests observed since the worker process started" },
208 [ST_F_REQ_TOT] = { .name = "req_tot", .desc = "Total number of HTTP requests processed by this object since the worker process started" },
209 [ST_F_CLI_ABRT] = { .name = "cli_abrt", .desc = "Total number of requests or connections aborted by the client since the worker process started" },
210 [ST_F_SRV_ABRT] = { .name = "srv_abrt", .desc = "Total number of requests or connections aborted by the server since the worker process started" },
211 [ST_F_COMP_IN] = { .name = "comp_in", .desc = "Total number of bytes submitted to the HTTP compressor for this object since the worker process started" },
212 [ST_F_COMP_OUT] = { .name = "comp_out", .desc = "Total number of bytes emitted by the HTTP compressor for this object since the worker process started" },
213 [ST_F_COMP_BYP] = { .name = "comp_byp", .desc = "Total number of bytes that bypassed HTTP compression for this object since the worker process started (CPU/memory/bandwidth limitation)" },
214 [ST_F_COMP_RSP] = { .name = "comp_rsp", .desc = "Total number of HTTP responses that were compressed for this object since the worker process started" },
215 [ST_F_LASTSESS] = { .name = "lastsess", .desc = "How long ago some traffic was seen on this object on this worker process, in seconds" },
216 [ST_F_LAST_CHK] = { .name = "last_chk", .desc = "Short description of the latest health check report for this server (see also check_desc)" },
217 [ST_F_LAST_AGT] = { .name = "last_agt", .desc = "Short description of the latest agent check report for this server (see also agent_desc)" },
218 [ST_F_QTIME] = { .name = "qtime", .desc = "Time spent in the queue, in milliseconds, averaged over the 1024 last requests (backend/server)" },
219 [ST_F_CTIME] = { .name = "ctime", .desc = "Time spent waiting for a connection to complete, in milliseconds, averaged over the 1024 last requests (backend/server)" },
220 [ST_F_RTIME] = { .name = "rtime", .desc = "Time spent waiting for a server response, in milliseconds, averaged over the 1024 last requests (backend/server)" },
221 [ST_F_TTIME] = { .name = "ttime", .desc = "Total request+response time (request+queue+connect+response+processing), in milliseconds, averaged over the 1024 last requests (backend/server)" },
222 [ST_F_AGENT_STATUS] = { .name = "agent_status", .desc = "Status report of the server's latest agent check, prefixed with '*' if a check is currently in progress" },
223 [ST_F_AGENT_CODE] = { .name = "agent_code", .desc = "Status code reported by the latest server agent check" },
224 [ST_F_AGENT_DURATION] = { .name = "agent_duration", .desc = "Total duration of the latest server agent check, in milliseconds" },
225 [ST_F_CHECK_DESC] = { .name = "check_desc", .desc = "Textual description of the latest health check report for this server" },
226 [ST_F_AGENT_DESC] = { .name = "agent_desc", .desc = "Textual description of the latest agent check report for this server" },
227 [ST_F_CHECK_RISE] = { .name = "check_rise", .desc = "Number of successful health checks before declaring a server UP (server 'rise' setting)" },
228 [ST_F_CHECK_FALL] = { .name = "check_fall", .desc = "Number of failed health checks before declaring a server DOWN (server 'fall' setting)" },
229 [ST_F_CHECK_HEALTH] = { .name = "check_health", .desc = "Current server health check level (0..fall-1=DOWN, fall..rise-1=UP)" },
230 [ST_F_AGENT_RISE] = { .name = "agent_rise", .desc = "Number of successful agent checks before declaring a server UP (server 'rise' setting)" },
231 [ST_F_AGENT_FALL] = { .name = "agent_fall", .desc = "Number of failed agent checks before declaring a server DOWN (server 'fall' setting)" },
232 [ST_F_AGENT_HEALTH] = { .name = "agent_health", .desc = "Current server agent check level (0..fall-1=DOWN, fall..rise-1=UP)" },
233 [ST_F_ADDR] = { .name = "addr", .desc = "Server's address:port, shown only if show-legends is set, or at levels oper/admin for the CLI" },
234 [ST_F_COOKIE] = { .name = "cookie", .desc = "Backend's cookie name or Server's cookie value, shown only if show-legends is set, or at levels oper/admin for the CLI" },
235 [ST_F_MODE] = { .name = "mode", .desc = "'mode' setting (tcp/http/health/cli)" },
236 [ST_F_ALGO] = { .name = "algo", .desc = "Backend's load balancing algorithm, shown only if show-legends is set, or at levels oper/admin for the CLI" },
237 [ST_F_CONN_RATE] = { .name = "conn_rate", .desc = "Number of new connections accepted over the last second on the frontend for this worker process" },
238 [ST_F_CONN_RATE_MAX] = { .name = "conn_rate_max", .desc = "Highest value of connections per second observed since the worker process started" },
239 [ST_F_CONN_TOT] = { .name = "conn_tot", .desc = "Total number of new connections accepted on this frontend since the worker process started" },
240 [ST_F_INTERCEPTED] = { .name = "intercepted", .desc = "Total number of HTTP requests intercepted on the frontend (redirects/stats/services) since the worker process started" },
241 [ST_F_DCON] = { .name = "dcon", .desc = "Total number of incoming connections blocked on a listener/frontend by a tcp-request connection rule since the worker process started" },
242 [ST_F_DSES] = { .name = "dses", .desc = "Total number of incoming sessions blocked on a listener/frontend by a tcp-request connection rule since the worker process started" },
243 [ST_F_WREW] = { .name = "wrew", .desc = "Total number of failed HTTP header rewrites since the worker process started" },
244 [ST_F_CONNECT] = { .name = "connect", .desc = "Total number of outgoing connection attempts on this backend/server since the worker process started" },
245 [ST_F_REUSE] = { .name = "reuse", .desc = "Total number of reused connection on this backend/server since the worker process started" },
246 [ST_F_CACHE_LOOKUPS] = { .name = "cache_lookups", .desc = "Total number of HTTP requests looked up in the cache on this frontend/backend since the worker process started" },
247 [ST_F_CACHE_HITS] = { .name = "cache_hits", .desc = "Total number of HTTP requests not found in the cache on this frontend/backend since the worker process started" },
248 [ST_F_SRV_ICUR] = { .name = "srv_icur", .desc = "Current number of idle connections available for reuse on this server" },
249 [ST_F_SRV_ILIM] = { .name = "src_ilim", .desc = "Limit on the number of available idle connections on this server (server 'pool_max_conn' directive)" },
250 [ST_F_QT_MAX] = { .name = "qtime_max", .desc = "Maximum observed time spent in the queue, in milliseconds (backend/server)" },
251 [ST_F_CT_MAX] = { .name = "ctime_max", .desc = "Maximum observed time spent waiting for a connection to complete, in milliseconds (backend/server)" },
252 [ST_F_RT_MAX] = { .name = "rtime_max", .desc = "Maximum observed time spent waiting for a server response, in milliseconds (backend/server)" },
253 [ST_F_TT_MAX] = { .name = "ttime_max", .desc = "Maximum observed total request+response time (request+queue+connect+response+processing), in milliseconds (backend/server)" },
254 [ST_F_EINT] = { .name = "eint", .desc = "Total number of internal errors since process started"},
255 [ST_F_IDLE_CONN_CUR] = { .name = "idle_conn_cur", .desc = "Current number of unsafe idle connections"},
256 [ST_F_SAFE_CONN_CUR] = { .name = "safe_conn_cur", .desc = "Current number of safe idle connections"},
257 [ST_F_USED_CONN_CUR] = { .name = "used_conn_cur", .desc = "Current number of connections in use"},
258 [ST_F_NEED_CONN_EST] = { .name = "need_conn_est", .desc = "Estimated needed number of connections"},
259 [ST_F_UWEIGHT] = { .name = "uweight", .desc = "Server's user weight, or sum of active servers' user weights for a backend" },
260 [ST_F_AGG_SRV_CHECK_STATUS] = { .name = "agg_server_check_status", .desc = "Backend's aggregated gauge of servers' state check status" },
261 };
262
263 /* one line of info */
264 THREAD_LOCAL struct field info[INF_TOTAL_FIELDS];
265
266 /* description of statistics (static and dynamic) */
267 static struct name_desc *stat_f[STATS_DOMAIN_COUNT];
268 static size_t stat_count[STATS_DOMAIN_COUNT];
269
270 /* one line for stats */
271 THREAD_LOCAL struct field *stat_l[STATS_DOMAIN_COUNT];
272
273 /* list of all registered stats module */
274 static struct list stats_module_list[STATS_DOMAIN_COUNT] = {
275 LIST_HEAD_INIT(stats_module_list[STATS_DOMAIN_PROXY]),
276 LIST_HEAD_INIT(stats_module_list[STATS_DOMAIN_DNS]),
277 };
278
279 THREAD_LOCAL void *trash_counters;
280
stats_get_domain(uint32_t domain)281 static inline uint8_t stats_get_domain(uint32_t domain)
282 {
283 return domain >> STATS_DOMAIN & STATS_DOMAIN_MASK;
284 }
285
stats_px_get_cap(uint32_t domain)286 static inline enum stats_domain_px_cap stats_px_get_cap(uint32_t domain)
287 {
288 return domain >> STATS_PX_CAP & STATS_PX_CAP_MASK;
289 }
290
291 static void stats_dump_json_schema(struct buffer *out);
292
stats_putchk(struct channel * chn,struct htx * htx,struct buffer * chk)293 int stats_putchk(struct channel *chn, struct htx *htx, struct buffer *chk)
294 {
295 if (htx) {
296 if (chk->data >= channel_htx_recv_max(chn, htx))
297 return 0;
298 if (!htx_add_data_atonce(htx, ist2(chk->area, chk->data)))
299 return 0;
300 channel_add_input(chn, chk->data);
301 chk->data = 0;
302 }
303 else {
304 if (ci_putchk(chn, chk) == -1)
305 return 0;
306 }
307 return 1;
308 }
309
stats_scope_ptr(struct appctx * appctx,struct stream_interface * si)310 static const char *stats_scope_ptr(struct appctx *appctx, struct stream_interface *si)
311 {
312 struct channel *req = si_oc(si);
313 struct htx *htx = htxbuf(&req->buf);
314 struct htx_blk *blk;
315 struct ist uri;
316
317 blk = htx_get_head_blk(htx);
318 BUG_ON(!blk || htx_get_blk_type(blk) != HTX_BLK_REQ_SL);
319 ALREADY_CHECKED(blk);
320 uri = htx_sl_req_uri(htx_get_blk_ptr(htx, blk));
321 return uri.ptr + appctx->ctx.stats.scope_str;
322 }
323
324 /*
325 * http_stats_io_handler()
326 * -> stats_dump_stat_to_buffer() // same as above, but used for CSV or HTML
327 * -> stats_dump_csv_header() // emits the CSV headers (same as above)
328 * -> stats_dump_json_header() // emits the JSON headers (same as above)
329 * -> stats_dump_html_head() // emits the HTML headers
330 * -> stats_dump_html_info() // emits the equivalent of "show info" at the top
331 * -> stats_dump_proxy_to_buffer() // same as above, valid for CSV and HTML
332 * -> stats_dump_html_px_hdr()
333 * -> stats_dump_fe_stats()
334 * -> stats_dump_li_stats()
335 * -> stats_dump_sv_stats()
336 * -> stats_dump_be_stats()
337 * -> stats_dump_html_px_end()
338 * -> stats_dump_html_end() // emits HTML trailer
339 * -> stats_dump_json_end() // emits JSON trailer
340 */
341
342
343 /* Dumps the stats CSV header to the trash buffer which. The caller is responsible
344 * for clearing it if needed.
345 * NOTE: Some tools happen to rely on the field position instead of its name,
346 * so please only append new fields at the end, never in the middle.
347 */
stats_dump_csv_header(enum stats_domain domain)348 static void stats_dump_csv_header(enum stats_domain domain)
349 {
350 int field;
351
352 chunk_appendf(&trash, "# ");
353 if (stat_f[domain]) {
354 for (field = 0; field < stat_count[domain]; ++field) {
355 chunk_appendf(&trash, "%s,", stat_f[domain][field].name);
356
357 /* print special delimiter on proxy stats to mark end of
358 static fields */
359 if (domain == STATS_DOMAIN_PROXY && field + 1 == ST_F_TOTAL_FIELDS)
360 chunk_appendf(&trash, "-,");
361 }
362 }
363
364 chunk_appendf(&trash, "\n");
365 }
366
367 /* Emits a stats field without any surrounding element and properly encoded to
368 * resist CSV output. Returns non-zero on success, 0 if the buffer is full.
369 */
stats_emit_raw_data_field(struct buffer * out,const struct field * f)370 int stats_emit_raw_data_field(struct buffer *out, const struct field *f)
371 {
372 switch (field_format(f, 0)) {
373 case FF_EMPTY: return 1;
374 case FF_S32: return chunk_appendf(out, "%d", f->u.s32);
375 case FF_U32: return chunk_appendf(out, "%u", f->u.u32);
376 case FF_S64: return chunk_appendf(out, "%lld", (long long)f->u.s64);
377 case FF_U64: return chunk_appendf(out, "%llu", (unsigned long long)f->u.u64);
378 case FF_FLT: {
379 size_t prev_data = out->data;
380 out->data = flt_trim(out->area, prev_data, chunk_appendf(out, "%f", f->u.flt));
381 return out->data;
382 }
383 case FF_STR: return csv_enc_append(field_str(f, 0), 1, out) != NULL;
384 default: return chunk_appendf(out, "[INCORRECT_FIELD_TYPE_%08x]", f->type);
385 }
386 }
387
field_to_html_str(const struct field * f)388 const char *field_to_html_str(const struct field *f)
389 {
390 switch (field_format(f, 0)) {
391 case FF_S32: return U2H(f->u.s32);
392 case FF_S64: return U2H(f->u.s64);
393 case FF_U64: return U2H(f->u.u64);
394 case FF_U32: return U2H(f->u.u32);
395 case FF_FLT: return F2H(f->u.flt);
396 case FF_STR: return field_str(f, 0);
397 case FF_EMPTY:
398 default:
399 return "";
400 }
401 }
402
403 /* Emits a stats field prefixed with its type. No CSV encoding is prepared, the
404 * output is supposed to be used on its own line. Returns non-zero on success, 0
405 * if the buffer is full.
406 */
stats_emit_typed_data_field(struct buffer * out,const struct field * f)407 int stats_emit_typed_data_field(struct buffer *out, const struct field *f)
408 {
409 switch (field_format(f, 0)) {
410 case FF_EMPTY: return 1;
411 case FF_S32: return chunk_appendf(out, "s32:%d", f->u.s32);
412 case FF_U32: return chunk_appendf(out, "u32:%u", f->u.u32);
413 case FF_S64: return chunk_appendf(out, "s64:%lld", (long long)f->u.s64);
414 case FF_U64: return chunk_appendf(out, "u64:%llu", (unsigned long long)f->u.u64);
415 case FF_FLT: {
416 size_t prev_data = out->data;
417 out->data = flt_trim(out->area, prev_data, chunk_appendf(out, "flt:%f", f->u.flt));
418 return out->data;
419 }
420 case FF_STR: return chunk_appendf(out, "str:%s", field_str(f, 0));
421 default: return chunk_appendf(out, "%08x:?", f->type);
422 }
423 }
424
425 /* Limit JSON integer values to the range [-(2**53)+1, (2**53)-1] as per
426 * the recommendation for interoperable integers in section 6 of RFC 7159.
427 */
428 #define JSON_INT_MAX ((1ULL << 53) - 1)
429 #define JSON_INT_MIN (0 - JSON_INT_MAX)
430
431 /* Emits a stats field value and its type in JSON.
432 * Returns non-zero on success, 0 on error.
433 */
stats_emit_json_data_field(struct buffer * out,const struct field * f)434 int stats_emit_json_data_field(struct buffer *out, const struct field *f)
435 {
436 int old_len;
437 char buf[20];
438 const char *type, *value = buf, *quote = "";
439
440 switch (field_format(f, 0)) {
441 case FF_EMPTY: return 1;
442 case FF_S32: type = "\"s32\"";
443 snprintf(buf, sizeof(buf), "%d", f->u.s32);
444 break;
445 case FF_U32: type = "\"u32\"";
446 snprintf(buf, sizeof(buf), "%u", f->u.u32);
447 break;
448 case FF_S64: type = "\"s64\"";
449 if (f->u.s64 < JSON_INT_MIN || f->u.s64 > JSON_INT_MAX)
450 return 0;
451 type = "\"s64\"";
452 snprintf(buf, sizeof(buf), "%lld", (long long)f->u.s64);
453 break;
454 case FF_U64: if (f->u.u64 > JSON_INT_MAX)
455 return 0;
456 type = "\"u64\"";
457 snprintf(buf, sizeof(buf), "%llu",
458 (unsigned long long) f->u.u64);
459 break;
460 case FF_FLT: type = "\"flt\"";
461 flt_trim(buf, 0, snprintf(buf, sizeof(buf), "%f", f->u.flt));
462 break;
463 case FF_STR: type = "\"str\"";
464 value = field_str(f, 0);
465 quote = "\"";
466 break;
467 default: snprintf(buf, sizeof(buf), "%u", f->type);
468 type = buf;
469 value = "unknown";
470 quote = "\"";
471 break;
472 }
473
474 old_len = out->data;
475 chunk_appendf(out, ",\"value\":{\"type\":%s,\"value\":%s%s%s}",
476 type, quote, value, quote);
477 return !(old_len == out->data);
478 }
479
480 /* Emits an encoding of the field type on 3 characters followed by a delimiter.
481 * Returns non-zero on success, 0 if the buffer is full.
482 */
stats_emit_field_tags(struct buffer * out,const struct field * f,char delim)483 int stats_emit_field_tags(struct buffer *out, const struct field *f,
484 char delim)
485 {
486 char origin, nature, scope;
487
488 switch (field_origin(f, 0)) {
489 case FO_METRIC: origin = 'M'; break;
490 case FO_STATUS: origin = 'S'; break;
491 case FO_KEY: origin = 'K'; break;
492 case FO_CONFIG: origin = 'C'; break;
493 case FO_PRODUCT: origin = 'P'; break;
494 default: origin = '?'; break;
495 }
496
497 switch (field_nature(f, 0)) {
498 case FN_GAUGE: nature = 'G'; break;
499 case FN_LIMIT: nature = 'L'; break;
500 case FN_MIN: nature = 'm'; break;
501 case FN_MAX: nature = 'M'; break;
502 case FN_RATE: nature = 'R'; break;
503 case FN_COUNTER: nature = 'C'; break;
504 case FN_DURATION: nature = 'D'; break;
505 case FN_AGE: nature = 'A'; break;
506 case FN_TIME: nature = 'T'; break;
507 case FN_NAME: nature = 'N'; break;
508 case FN_OUTPUT: nature = 'O'; break;
509 case FN_AVG: nature = 'a'; break;
510 default: nature = '?'; break;
511 }
512
513 switch (field_scope(f, 0)) {
514 case FS_PROCESS: scope = 'P'; break;
515 case FS_SERVICE: scope = 'S'; break;
516 case FS_SYSTEM: scope = 's'; break;
517 case FS_CLUSTER: scope = 'C'; break;
518 default: scope = '?'; break;
519 }
520
521 return chunk_appendf(out, "%c%c%c%c", origin, nature, scope, delim);
522 }
523
524 /* Emits an encoding of the field type as JSON.
525 * Returns non-zero on success, 0 if the buffer is full.
526 */
stats_emit_json_field_tags(struct buffer * out,const struct field * f)527 int stats_emit_json_field_tags(struct buffer *out, const struct field *f)
528 {
529 const char *origin, *nature, *scope;
530 int old_len;
531
532 switch (field_origin(f, 0)) {
533 case FO_METRIC: origin = "Metric"; break;
534 case FO_STATUS: origin = "Status"; break;
535 case FO_KEY: origin = "Key"; break;
536 case FO_CONFIG: origin = "Config"; break;
537 case FO_PRODUCT: origin = "Product"; break;
538 default: origin = "Unknown"; break;
539 }
540
541 switch (field_nature(f, 0)) {
542 case FN_GAUGE: nature = "Gauge"; break;
543 case FN_LIMIT: nature = "Limit"; break;
544 case FN_MIN: nature = "Min"; break;
545 case FN_MAX: nature = "Max"; break;
546 case FN_RATE: nature = "Rate"; break;
547 case FN_COUNTER: nature = "Counter"; break;
548 case FN_DURATION: nature = "Duration"; break;
549 case FN_AGE: nature = "Age"; break;
550 case FN_TIME: nature = "Time"; break;
551 case FN_NAME: nature = "Name"; break;
552 case FN_OUTPUT: nature = "Output"; break;
553 case FN_AVG: nature = "Avg"; break;
554 default: nature = "Unknown"; break;
555 }
556
557 switch (field_scope(f, 0)) {
558 case FS_PROCESS: scope = "Process"; break;
559 case FS_SERVICE: scope = "Service"; break;
560 case FS_SYSTEM: scope = "System"; break;
561 case FS_CLUSTER: scope = "Cluster"; break;
562 default: scope = "Unknown"; break;
563 }
564
565 old_len = out->data;
566 chunk_appendf(out, "\"tags\":{"
567 "\"origin\":\"%s\","
568 "\"nature\":\"%s\","
569 "\"scope\":\"%s\""
570 "}", origin, nature, scope);
571 return !(old_len == out->data);
572 }
573
574 /* Dump all fields from <stats> into <out> using CSV format */
stats_dump_fields_csv(struct buffer * out,const struct field * stats,size_t stats_count,unsigned int flags,enum stats_domain domain)575 static int stats_dump_fields_csv(struct buffer *out,
576 const struct field *stats, size_t stats_count,
577 unsigned int flags,
578 enum stats_domain domain)
579 {
580 int field;
581
582 for (field = 0; field < stats_count; ++field) {
583 if (!stats_emit_raw_data_field(out, &stats[field]))
584 return 0;
585 if (!chunk_strcat(out, ","))
586 return 0;
587
588 /* print special delimiter on proxy stats to mark end of
589 static fields */
590 if (domain == STATS_DOMAIN_PROXY && field + 1 == ST_F_TOTAL_FIELDS) {
591 if (!chunk_strcat(out, "-,"))
592 return 0;
593 }
594 }
595
596 chunk_strcat(out, "\n");
597 return 1;
598 }
599
600 /* Dump all fields from <stats> into <out> using a typed "field:desc:type:value" format */
stats_dump_fields_typed(struct buffer * out,const struct field * stats,size_t stats_count,unsigned int flags,enum stats_domain domain)601 static int stats_dump_fields_typed(struct buffer *out,
602 const struct field *stats,
603 size_t stats_count,
604 unsigned int flags,
605 enum stats_domain domain)
606 {
607 int field;
608
609 for (field = 0; field < stats_count; ++field) {
610 if (!stats[field].type)
611 continue;
612
613 switch (domain) {
614 case STATS_DOMAIN_PROXY:
615 chunk_appendf(out, "%c.%u.%u.%d.%s.%u:",
616 stats[ST_F_TYPE].u.u32 == STATS_TYPE_FE ? 'F' :
617 stats[ST_F_TYPE].u.u32 == STATS_TYPE_BE ? 'B' :
618 stats[ST_F_TYPE].u.u32 == STATS_TYPE_SO ? 'L' :
619 stats[ST_F_TYPE].u.u32 == STATS_TYPE_SV ? 'S' :
620 '?',
621 stats[ST_F_IID].u.u32, stats[ST_F_SID].u.u32,
622 field,
623 stat_f[domain][field].name,
624 stats[ST_F_PID].u.u32);
625 break;
626
627 case STATS_DOMAIN_DNS:
628 chunk_appendf(out, "D.%d.%s:", field,
629 stat_f[domain][field].name);
630 break;
631
632 default:
633 break;
634 }
635
636 if (!stats_emit_field_tags(out, &stats[field], ':'))
637 return 0;
638 if (!stats_emit_typed_data_field(out, &stats[field]))
639 return 0;
640
641 if (flags & STAT_SHOW_FDESC &&
642 !chunk_appendf(out, ":\"%s\"", stat_f[domain][field].desc)) {
643 return 0;
644 }
645
646 if (!chunk_strcat(out, "\n"))
647 return 0;
648 }
649 return 1;
650 }
651
652 /* Dump all fields from <stats> into <out> using the "show info json" format */
stats_dump_json_info_fields(struct buffer * out,const struct field * info,unsigned int flags)653 static int stats_dump_json_info_fields(struct buffer *out,
654 const struct field *info, unsigned int flags)
655 {
656 int field;
657 int started = 0;
658
659 if (!chunk_strcat(out, "["))
660 return 0;
661
662 for (field = 0; field < INF_TOTAL_FIELDS; field++) {
663 int old_len;
664
665 if (!field_format(info, field))
666 continue;
667
668 if (started && !chunk_strcat(out, ","))
669 goto err;
670 started = 1;
671
672 old_len = out->data;
673 chunk_appendf(out,
674 "{\"field\":{\"pos\":%d,\"name\":\"%s\"},"
675 "\"processNum\":%u,",
676 field, info_fields[field].name,
677 info[INF_PROCESS_NUM].u.u32);
678 if (old_len == out->data)
679 goto err;
680
681 if (!stats_emit_json_field_tags(out, &info[field]))
682 goto err;
683
684 if (!stats_emit_json_data_field(out, &info[field]))
685 goto err;
686
687 if (!chunk_strcat(out, "}"))
688 goto err;
689 }
690
691 if (!chunk_strcat(out, "]"))
692 goto err;
693 return 1;
694
695 err:
696 chunk_reset(out);
697 chunk_appendf(out, "{\"errorStr\":\"output buffer too short\"}");
698 return 0;
699 }
700
stats_print_proxy_field_json(struct buffer * out,const struct field * stat,const char * name,int pos,uint32_t field_type,uint32_t iid,uint32_t sid,uint32_t pid)701 static void stats_print_proxy_field_json(struct buffer *out,
702 const struct field *stat,
703 const char *name,
704 int pos,
705 uint32_t field_type,
706 uint32_t iid,
707 uint32_t sid,
708 uint32_t pid)
709 {
710 const char *obj_type;
711 switch (field_type) {
712 case STATS_TYPE_FE: obj_type = "Frontend"; break;
713 case STATS_TYPE_BE: obj_type = "Backend"; break;
714 case STATS_TYPE_SO: obj_type = "Listener"; break;
715 case STATS_TYPE_SV: obj_type = "Server"; break;
716 default: obj_type = "Unknown"; break;
717 }
718
719 chunk_appendf(out,
720 "{"
721 "\"objType\":\"%s\","
722 "\"proxyId\":%u,"
723 "\"id\":%u,"
724 "\"field\":{\"pos\":%d,\"name\":\"%s\"},"
725 "\"processNum\":%u,",
726 obj_type, iid, sid, pos, name, pid);
727 }
728
stats_print_dns_field_json(struct buffer * out,const struct field * stat,const char * name,int pos)729 static void stats_print_dns_field_json(struct buffer *out,
730 const struct field *stat,
731 const char *name,
732 int pos)
733 {
734 chunk_appendf(out,
735 "{"
736 "\"field\":{\"pos\":%d,\"name\":\"%s\"},",
737 pos, name);
738 }
739
740
741 /* Dump all fields from <stats> into <out> using a typed "field:desc:type:value" format */
stats_dump_fields_json(struct buffer * out,const struct field * stats,size_t stats_count,unsigned int flags,enum stats_domain domain)742 static int stats_dump_fields_json(struct buffer *out,
743 const struct field *stats, size_t stats_count,
744 unsigned int flags,
745 enum stats_domain domain)
746 {
747 int field;
748 int started = 0;
749
750 if ((flags & STAT_STARTED) && !chunk_strcat(out, ","))
751 return 0;
752 if (!chunk_strcat(out, "["))
753 return 0;
754
755 for (field = 0; field < stats_count; field++) {
756 int old_len;
757
758 if (!stats[field].type)
759 continue;
760
761 if (started && !chunk_strcat(out, ","))
762 goto err;
763 started = 1;
764
765 old_len = out->data;
766 if (domain == STATS_DOMAIN_PROXY) {
767 stats_print_proxy_field_json(out, &stats[field],
768 stat_f[domain][field].name,
769 field,
770 stats[ST_F_TYPE].u.u32,
771 stats[ST_F_IID].u.u32,
772 stats[ST_F_SID].u.u32,
773 stats[ST_F_PID].u.u32);
774 } else if (domain == STATS_DOMAIN_DNS) {
775 stats_print_dns_field_json(out, &stats[field],
776 stat_f[domain][field].name,
777 field);
778 }
779
780 if (old_len == out->data)
781 goto err;
782
783 if (!stats_emit_json_field_tags(out, &stats[field]))
784 goto err;
785
786 if (!stats_emit_json_data_field(out, &stats[field]))
787 goto err;
788
789 if (!chunk_strcat(out, "}"))
790 goto err;
791 }
792
793 if (!chunk_strcat(out, "]"))
794 goto err;
795
796 return 1;
797
798 err:
799 chunk_reset(out);
800 if (flags & STAT_STARTED)
801 chunk_strcat(out, ",");
802 chunk_appendf(out, "{\"errorStr\":\"output buffer too short\"}");
803 return 0;
804 }
805
806 /* Dump all fields from <stats> into <out> using the HTML format. A column is
807 * reserved for the checkbox is STAT_ADMIN is set in <flags>. Some extra info
808 * are provided if STAT_SHLGNDS is present in <flags>. The statistics from
809 * extra modules are displayed at the end of the lines if STAT_SHMODULES is
810 * present in <flags>.
811 */
stats_dump_fields_html(struct buffer * out,const struct field * stats,unsigned int flags)812 static int stats_dump_fields_html(struct buffer *out,
813 const struct field *stats,
814 unsigned int flags)
815 {
816 struct buffer src;
817 struct stats_module *mod;
818 int i = 0, j = 0;
819
820 if (stats[ST_F_TYPE].u.u32 == STATS_TYPE_FE) {
821 chunk_appendf(out,
822 /* name, queue */
823 "<tr class=\"frontend\">");
824
825 if (flags & STAT_ADMIN) {
826 /* Column sub-heading for Enable or Disable server */
827 chunk_appendf(out, "<td></td>");
828 }
829
830 chunk_appendf(out,
831 "<td class=ac>"
832 "<a name=\"%s/Frontend\"></a>"
833 "<a class=lfsb href=\"#%s/Frontend\">Frontend</a></td>"
834 "<td colspan=3></td>"
835 "",
836 field_str(stats, ST_F_PXNAME), field_str(stats, ST_F_PXNAME));
837
838 chunk_appendf(out,
839 /* sessions rate : current */
840 "<td><u>%s<div class=tips><table class=det>"
841 "<tr><th>Current connection rate:</th><td>%s/s</td></tr>"
842 "<tr><th>Current session rate:</th><td>%s/s</td></tr>"
843 "",
844 U2H(stats[ST_F_RATE].u.u32),
845 U2H(stats[ST_F_CONN_RATE].u.u32),
846 U2H(stats[ST_F_RATE].u.u32));
847
848 if (strcmp(field_str(stats, ST_F_MODE), "http") == 0)
849 chunk_appendf(out,
850 "<tr><th>Current request rate:</th><td>%s/s</td></tr>",
851 U2H(stats[ST_F_REQ_RATE].u.u32));
852
853 chunk_appendf(out,
854 "</table></div></u></td>"
855 /* sessions rate : max */
856 "<td><u>%s<div class=tips><table class=det>"
857 "<tr><th>Max connection rate:</th><td>%s/s</td></tr>"
858 "<tr><th>Max session rate:</th><td>%s/s</td></tr>"
859 "",
860 U2H(stats[ST_F_RATE_MAX].u.u32),
861 U2H(stats[ST_F_CONN_RATE_MAX].u.u32),
862 U2H(stats[ST_F_RATE_MAX].u.u32));
863
864 if (strcmp(field_str(stats, ST_F_MODE), "http") == 0)
865 chunk_appendf(out,
866 "<tr><th>Max request rate:</th><td>%s/s</td></tr>",
867 U2H(stats[ST_F_REQ_RATE_MAX].u.u32));
868
869 chunk_appendf(out,
870 "</table></div></u></td>"
871 /* sessions rate : limit */
872 "<td>%s</td>",
873 LIM2A(stats[ST_F_RATE_LIM].u.u32, "-"));
874
875 chunk_appendf(out,
876 /* sessions: current, max, limit, total */
877 "<td>%s</td><td>%s</td><td>%s</td>"
878 "<td><u>%s<div class=tips><table class=det>"
879 "<tr><th>Cum. connections:</th><td>%s</td></tr>"
880 "<tr><th>Cum. sessions:</th><td>%s</td></tr>"
881 "",
882 U2H(stats[ST_F_SCUR].u.u32), U2H(stats[ST_F_SMAX].u.u32), U2H(stats[ST_F_SLIM].u.u32),
883 U2H(stats[ST_F_STOT].u.u64),
884 U2H(stats[ST_F_CONN_TOT].u.u64),
885 U2H(stats[ST_F_STOT].u.u64));
886
887 /* http response (via hover): 1xx, 2xx, 3xx, 4xx, 5xx, other */
888 if (strcmp(field_str(stats, ST_F_MODE), "http") == 0) {
889 chunk_appendf(out,
890 "<tr><th>Cum. HTTP requests:</th><td>%s</td></tr>"
891 "<tr><th>- HTTP 1xx responses:</th><td>%s</td></tr>"
892 "<tr><th>- HTTP 2xx responses:</th><td>%s</td></tr>"
893 "<tr><th> Compressed 2xx:</th><td>%s</td><td>(%d%%)</td></tr>"
894 "<tr><th>- HTTP 3xx responses:</th><td>%s</td></tr>"
895 "<tr><th>- HTTP 4xx responses:</th><td>%s</td></tr>"
896 "<tr><th>- HTTP 5xx responses:</th><td>%s</td></tr>"
897 "<tr><th>- other responses:</th><td>%s</td></tr>"
898 "<tr><th>Intercepted requests:</th><td>%s</td></tr>"
899 "<tr><th>Cache lookups:</th><td>%s</td></tr>"
900 "<tr><th>Cache hits:</th><td>%s</td><td>(%d%%)</td></tr>"
901 "<tr><th>Failed hdr rewrites:</th><td>%s</td></tr>"
902 "<tr><th>Internal errors:</th><td>%s</td></tr>"
903 "",
904 U2H(stats[ST_F_REQ_TOT].u.u64),
905 U2H(stats[ST_F_HRSP_1XX].u.u64),
906 U2H(stats[ST_F_HRSP_2XX].u.u64),
907 U2H(stats[ST_F_COMP_RSP].u.u64),
908 stats[ST_F_HRSP_2XX].u.u64 ?
909 (int)(100 * stats[ST_F_COMP_RSP].u.u64 / stats[ST_F_HRSP_2XX].u.u64) : 0,
910 U2H(stats[ST_F_HRSP_3XX].u.u64),
911 U2H(stats[ST_F_HRSP_4XX].u.u64),
912 U2H(stats[ST_F_HRSP_5XX].u.u64),
913 U2H(stats[ST_F_HRSP_OTHER].u.u64),
914 U2H(stats[ST_F_INTERCEPTED].u.u64),
915 U2H(stats[ST_F_CACHE_LOOKUPS].u.u64),
916 U2H(stats[ST_F_CACHE_HITS].u.u64),
917 stats[ST_F_CACHE_LOOKUPS].u.u64 ?
918 (int)(100 * stats[ST_F_CACHE_HITS].u.u64 / stats[ST_F_CACHE_LOOKUPS].u.u64) : 0,
919 U2H(stats[ST_F_WREW].u.u64),
920 U2H(stats[ST_F_EINT].u.u64));
921 }
922
923 chunk_appendf(out,
924 "</table></div></u></td>"
925 /* sessions: lbtot, lastsess */
926 "<td></td><td></td>"
927 /* bytes : in */
928 "<td>%s</td>"
929 "",
930 U2H(stats[ST_F_BIN].u.u64));
931
932 chunk_appendf(out,
933 /* bytes:out + compression stats (via hover): comp_in, comp_out, comp_byp */
934 "<td>%s%s<div class=tips><table class=det>"
935 "<tr><th>Response bytes in:</th><td>%s</td></tr>"
936 "<tr><th>Compression in:</th><td>%s</td></tr>"
937 "<tr><th>Compression out:</th><td>%s</td><td>(%d%%)</td></tr>"
938 "<tr><th>Compression bypass:</th><td>%s</td></tr>"
939 "<tr><th>Total bytes saved:</th><td>%s</td><td>(%d%%)</td></tr>"
940 "</table></div>%s</td>",
941 (stats[ST_F_COMP_IN].u.u64 || stats[ST_F_COMP_BYP].u.u64) ? "<u>":"",
942 U2H(stats[ST_F_BOUT].u.u64),
943 U2H(stats[ST_F_BOUT].u.u64),
944 U2H(stats[ST_F_COMP_IN].u.u64),
945 U2H(stats[ST_F_COMP_OUT].u.u64),
946 stats[ST_F_COMP_IN].u.u64 ? (int)(stats[ST_F_COMP_OUT].u.u64 * 100 / stats[ST_F_COMP_IN].u.u64) : 0,
947 U2H(stats[ST_F_COMP_BYP].u.u64),
948 U2H(stats[ST_F_COMP_IN].u.u64 - stats[ST_F_COMP_OUT].u.u64),
949 stats[ST_F_BOUT].u.u64 ? (int)((stats[ST_F_COMP_IN].u.u64 - stats[ST_F_COMP_OUT].u.u64) * 100 / stats[ST_F_BOUT].u.u64) : 0,
950 (stats[ST_F_COMP_IN].u.u64 || stats[ST_F_COMP_BYP].u.u64) ? "</u>":"");
951
952 chunk_appendf(out,
953 /* denied: req, resp */
954 "<td>%s</td><td>%s</td>"
955 /* errors : request, connect, response */
956 "<td>%s</td><td></td><td></td>"
957 /* warnings: retries, redispatches */
958 "<td></td><td></td>"
959 /* server status : reflect frontend status */
960 "<td class=ac>%s</td>"
961 /* rest of server: nothing */
962 "<td class=ac colspan=8></td>"
963 "",
964 U2H(stats[ST_F_DREQ].u.u64), U2H(stats[ST_F_DRESP].u.u64),
965 U2H(stats[ST_F_EREQ].u.u64),
966 field_str(stats, ST_F_STATUS));
967
968 if (flags & STAT_SHMODULES) {
969 list_for_each_entry(mod, &stats_module_list[STATS_DOMAIN_PROXY], list) {
970 chunk_appendf(out, "<td>");
971
972 if (stats_px_get_cap(mod->domain_flags) & STATS_PX_CAP_FE) {
973 chunk_appendf(out,
974 "<u>%s<div class=tips><table class=det>",
975 mod->name);
976 for (j = 0; j < mod->stats_count; ++j) {
977 chunk_appendf(out,
978 "<tr><th>%s</th><td>%s</td></tr>",
979 mod->stats[j].desc, field_to_html_str(&stats[ST_F_TOTAL_FIELDS + i]));
980 ++i;
981 }
982 chunk_appendf(out, "</table></div></u>");
983 } else {
984 i += mod->stats_count;
985 }
986
987 chunk_appendf(out, "</td>");
988 }
989 }
990
991 chunk_appendf(out, "</tr>");
992 }
993 else if (stats[ST_F_TYPE].u.u32 == STATS_TYPE_SO) {
994 chunk_appendf(out, "<tr class=socket>");
995 if (flags & STAT_ADMIN) {
996 /* Column sub-heading for Enable or Disable server */
997 chunk_appendf(out, "<td></td>");
998 }
999
1000 chunk_appendf(out,
1001 /* frontend name, listener name */
1002 "<td class=ac><a name=\"%s/+%s\"></a>%s"
1003 "<a class=lfsb href=\"#%s/+%s\">%s</a>"
1004 "",
1005 field_str(stats, ST_F_PXNAME), field_str(stats, ST_F_SVNAME),
1006 (flags & STAT_SHLGNDS)?"<u>":"",
1007 field_str(stats, ST_F_PXNAME), field_str(stats, ST_F_SVNAME), field_str(stats, ST_F_SVNAME));
1008
1009 if (flags & STAT_SHLGNDS) {
1010 chunk_appendf(out, "<div class=tips>");
1011
1012 if (isdigit((unsigned char)*field_str(stats, ST_F_ADDR)))
1013 chunk_appendf(out, "IPv4: %s, ", field_str(stats, ST_F_ADDR));
1014 else if (*field_str(stats, ST_F_ADDR) == '[')
1015 chunk_appendf(out, "IPv6: %s, ", field_str(stats, ST_F_ADDR));
1016 else if (*field_str(stats, ST_F_ADDR))
1017 chunk_appendf(out, "%s, ", field_str(stats, ST_F_ADDR));
1018
1019 /* id */
1020 chunk_appendf(out, "id: %d</div>", stats[ST_F_SID].u.u32);
1021 }
1022
1023 chunk_appendf(out,
1024 /* queue */
1025 "%s</td><td colspan=3></td>"
1026 /* sessions rate: current, max, limit */
1027 "<td colspan=3> </td>"
1028 /* sessions: current, max, limit, total, lbtot, lastsess */
1029 "<td>%s</td><td>%s</td><td>%s</td>"
1030 "<td>%s</td><td> </td><td> </td>"
1031 /* bytes: in, out */
1032 "<td>%s</td><td>%s</td>"
1033 "",
1034 (flags & STAT_SHLGNDS)?"</u>":"",
1035 U2H(stats[ST_F_SCUR].u.u32), U2H(stats[ST_F_SMAX].u.u32), U2H(stats[ST_F_SLIM].u.u32),
1036 U2H(stats[ST_F_STOT].u.u64), U2H(stats[ST_F_BIN].u.u64), U2H(stats[ST_F_BOUT].u.u64));
1037
1038 chunk_appendf(out,
1039 /* denied: req, resp */
1040 "<td>%s</td><td>%s</td>"
1041 /* errors: request, connect, response */
1042 "<td>%s</td><td></td><td></td>"
1043 /* warnings: retries, redispatches */
1044 "<td></td><td></td>"
1045 /* server status: reflect listener status */
1046 "<td class=ac>%s</td>"
1047 /* rest of server: nothing */
1048 "<td class=ac colspan=8></td>"
1049 "",
1050 U2H(stats[ST_F_DREQ].u.u64), U2H(stats[ST_F_DRESP].u.u64),
1051 U2H(stats[ST_F_EREQ].u.u64),
1052 field_str(stats, ST_F_STATUS));
1053
1054 if (flags & STAT_SHMODULES) {
1055 list_for_each_entry(mod, &stats_module_list[STATS_DOMAIN_PROXY], list) {
1056 chunk_appendf(out, "<td>");
1057
1058 if (stats_px_get_cap(mod->domain_flags) & STATS_PX_CAP_LI) {
1059 chunk_appendf(out,
1060 "<u>%s<div class=tips><table class=det>",
1061 mod->name);
1062 for (j = 0; j < mod->stats_count; ++j) {
1063 chunk_appendf(out,
1064 "<tr><th>%s</th><td>%s</td></tr>",
1065 mod->stats[j].desc, field_to_html_str(&stats[ST_F_TOTAL_FIELDS + i]));
1066 ++i;
1067 }
1068 chunk_appendf(out, "</table></div></u>");
1069 } else {
1070 i += mod->stats_count;
1071 }
1072
1073 chunk_appendf(out, "</td>");
1074 }
1075 }
1076
1077 chunk_appendf(out, "</tr>");
1078 }
1079 else if (stats[ST_F_TYPE].u.u32 == STATS_TYPE_SV) {
1080 const char *style;
1081
1082 /* determine the style to use depending on the server's state,
1083 * its health and weight. There isn't a 1-to-1 mapping between
1084 * state and styles for the cases where the server is (still)
1085 * up. The reason is that we don't want to report nolb and
1086 * drain with the same color.
1087 */
1088
1089 if (strcmp(field_str(stats, ST_F_STATUS), "DOWN") == 0 ||
1090 strcmp(field_str(stats, ST_F_STATUS), "DOWN (agent)") == 0) {
1091 style = "down";
1092 }
1093 else if (strncmp(field_str(stats, ST_F_STATUS), "DOWN ", strlen("DOWN ")) == 0) {
1094 style = "going_up";
1095 }
1096 else if (strcmp(field_str(stats, ST_F_STATUS), "DRAIN") == 0) {
1097 style = "draining";
1098 }
1099 else if (strncmp(field_str(stats, ST_F_STATUS), "NOLB ", strlen("NOLB ")) == 0) {
1100 style = "going_down";
1101 }
1102 else if (strcmp(field_str(stats, ST_F_STATUS), "NOLB") == 0) {
1103 style = "nolb";
1104 }
1105 else if (strcmp(field_str(stats, ST_F_STATUS), "no check") == 0) {
1106 style = "no_check";
1107 }
1108 else if (!stats[ST_F_CHKFAIL].type ||
1109 stats[ST_F_CHECK_HEALTH].u.u32 == stats[ST_F_CHECK_RISE].u.u32 + stats[ST_F_CHECK_FALL].u.u32 - 1) {
1110 /* no check or max health = UP */
1111 if (stats[ST_F_WEIGHT].u.u32)
1112 style = "up";
1113 else
1114 style = "draining";
1115 }
1116 else {
1117 style = "going_down";
1118 }
1119
1120 if (strncmp(field_str(stats, ST_F_STATUS), "MAINT", 5) == 0)
1121 chunk_appendf(out, "<tr class=\"maintain\">");
1122 else
1123 chunk_appendf(out,
1124 "<tr class=\"%s_%s\">",
1125 (stats[ST_F_BCK].u.u32) ? "backup" : "active", style);
1126
1127
1128 if (flags & STAT_ADMIN)
1129 chunk_appendf(out,
1130 "<td><input class='%s-checkbox' type=\"checkbox\" name=\"s\" value=\"%s\"></td>",
1131 field_str(stats, ST_F_PXNAME),
1132 field_str(stats, ST_F_SVNAME));
1133
1134 chunk_appendf(out,
1135 "<td class=ac><a name=\"%s/%s\"></a>%s"
1136 "<a class=lfsb href=\"#%s/%s\">%s</a>"
1137 "",
1138 field_str(stats, ST_F_PXNAME), field_str(stats, ST_F_SVNAME),
1139 (flags & STAT_SHLGNDS) ? "<u>" : "",
1140 field_str(stats, ST_F_PXNAME), field_str(stats, ST_F_SVNAME), field_str(stats, ST_F_SVNAME));
1141
1142 if (flags & STAT_SHLGNDS) {
1143 chunk_appendf(out, "<div class=tips>");
1144
1145 if (isdigit((unsigned char)*field_str(stats, ST_F_ADDR)))
1146 chunk_appendf(out, "IPv4: %s, ", field_str(stats, ST_F_ADDR));
1147 else if (*field_str(stats, ST_F_ADDR) == '[')
1148 chunk_appendf(out, "IPv6: %s, ", field_str(stats, ST_F_ADDR));
1149 else if (*field_str(stats, ST_F_ADDR))
1150 chunk_appendf(out, "%s, ", field_str(stats, ST_F_ADDR));
1151
1152 /* id */
1153 chunk_appendf(out, "id: %d", stats[ST_F_SID].u.u32);
1154
1155 /* cookie */
1156 if (stats[ST_F_COOKIE].type) {
1157 chunk_appendf(out, ", cookie: '");
1158 chunk_initstr(&src, field_str(stats, ST_F_COOKIE));
1159 chunk_htmlencode(out, &src);
1160 chunk_appendf(out, "'");
1161 }
1162
1163 chunk_appendf(out, "</div>");
1164 }
1165
1166 chunk_appendf(out,
1167 /* queue : current, max, limit */
1168 "%s</td><td>%s</td><td>%s</td><td>%s</td>"
1169 /* sessions rate : current, max, limit */
1170 "<td>%s</td><td>%s</td><td></td>"
1171 "",
1172 (flags & STAT_SHLGNDS) ? "</u>" : "",
1173 U2H(stats[ST_F_QCUR].u.u32), U2H(stats[ST_F_QMAX].u.u32), LIM2A(stats[ST_F_QLIMIT].u.u32, "-"),
1174 U2H(stats[ST_F_RATE].u.u32), U2H(stats[ST_F_RATE_MAX].u.u32));
1175
1176 chunk_appendf(out,
1177 /* sessions: current, max, limit, total */
1178 "<td><u>%s<div class=tips>"
1179 "<table class=det>"
1180 "<tr><th>Current active connections:</th><td>%s</td></tr>"
1181 "<tr><th>Current used connections:</th><td>%s</td></tr>"
1182 "<tr><th>Current idle connections:</th><td>%s</td></tr>"
1183 "<tr><th>- unsafe:</th><td>%s</td></tr>"
1184 "<tr><th>- safe:</th><td>%s</td></tr>"
1185 "<tr><th>Estimated need of connections:</th><td>%s</td></tr>"
1186 "<tr><th>Active connections limit:</th><td>%s</td></tr>"
1187 "<tr><th>Idle connections limit:</th><td>%s</td></tr>"
1188 "</table></div></u>"
1189 "</td><td>%s</td><td>%s</td>"
1190 "<td><u>%s<div class=tips><table class=det>"
1191 "<tr><th>Cum. sessions:</th><td>%s</td></tr>"
1192 "",
1193 U2H(stats[ST_F_SCUR].u.u32),
1194 U2H(stats[ST_F_SCUR].u.u32),
1195 U2H(stats[ST_F_USED_CONN_CUR].u.u32),
1196 U2H(stats[ST_F_SRV_ICUR].u.u32),
1197 U2H(stats[ST_F_IDLE_CONN_CUR].u.u32),
1198 U2H(stats[ST_F_SAFE_CONN_CUR].u.u32),
1199 U2H(stats[ST_F_NEED_CONN_EST].u.u32),
1200
1201 LIM2A(stats[ST_F_SLIM].u.u32, "-"),
1202 stats[ST_F_SRV_ILIM].type ? U2H(stats[ST_F_SRV_ILIM].u.u32) : "-",
1203 U2H(stats[ST_F_SMAX].u.u32), LIM2A(stats[ST_F_SLIM].u.u32, "-"),
1204 U2H(stats[ST_F_STOT].u.u64),
1205 U2H(stats[ST_F_STOT].u.u64));
1206
1207 /* http response (via hover): 1xx, 2xx, 3xx, 4xx, 5xx, other */
1208 if (strcmp(field_str(stats, ST_F_MODE), "http") == 0) {
1209 chunk_appendf(out,
1210 "<tr><th>New connections:</th><td>%s</td></tr>"
1211 "<tr><th>Reused connections:</th><td>%s</td><td>(%d%%)</td></tr>"
1212 "<tr><th>Cum. HTTP requests:</th><td>%s</td></tr>"
1213 "<tr><th>- HTTP 1xx responses:</th><td>%s</td><td>(%d%%)</td></tr>"
1214 "<tr><th>- HTTP 2xx responses:</th><td>%s</td><td>(%d%%)</td></tr>"
1215 "<tr><th>- HTTP 3xx responses:</th><td>%s</td><td>(%d%%)</td></tr>"
1216 "<tr><th>- HTTP 4xx responses:</th><td>%s</td><td>(%d%%)</td></tr>"
1217 "<tr><th>- HTTP 5xx responses:</th><td>%s</td><td>(%d%%)</td></tr>"
1218 "<tr><th>- other responses:</th><td>%s</td><td>(%d%%)</td></tr>"
1219 "<tr><th>Failed hdr rewrites:</th><td>%s</td></tr>"
1220 "<tr><th>Internal error:</th><td>%s</td></tr>"
1221 "",
1222 U2H(stats[ST_F_CONNECT].u.u64),
1223 U2H(stats[ST_F_REUSE].u.u64),
1224 (stats[ST_F_CONNECT].u.u64 + stats[ST_F_REUSE].u.u64) ?
1225 (int)(100 * stats[ST_F_REUSE].u.u64 / (stats[ST_F_CONNECT].u.u64 + stats[ST_F_REUSE].u.u64)) : 0,
1226 U2H(stats[ST_F_REQ_TOT].u.u64),
1227 U2H(stats[ST_F_HRSP_1XX].u.u64), stats[ST_F_REQ_TOT].u.u64 ?
1228 (int)(100 * stats[ST_F_HRSP_1XX].u.u64 / stats[ST_F_REQ_TOT].u.u64) : 0,
1229 U2H(stats[ST_F_HRSP_2XX].u.u64), stats[ST_F_REQ_TOT].u.u64 ?
1230 (int)(100 * stats[ST_F_HRSP_2XX].u.u64 / stats[ST_F_REQ_TOT].u.u64) : 0,
1231 U2H(stats[ST_F_HRSP_3XX].u.u64), stats[ST_F_REQ_TOT].u.u64 ?
1232 (int)(100 * stats[ST_F_HRSP_3XX].u.u64 / stats[ST_F_REQ_TOT].u.u64) : 0,
1233 U2H(stats[ST_F_HRSP_4XX].u.u64), stats[ST_F_REQ_TOT].u.u64 ?
1234 (int)(100 * stats[ST_F_HRSP_4XX].u.u64 / stats[ST_F_REQ_TOT].u.u64) : 0,
1235 U2H(stats[ST_F_HRSP_5XX].u.u64), stats[ST_F_REQ_TOT].u.u64 ?
1236 (int)(100 * stats[ST_F_HRSP_5XX].u.u64 / stats[ST_F_REQ_TOT].u.u64) : 0,
1237 U2H(stats[ST_F_HRSP_OTHER].u.u64), stats[ST_F_REQ_TOT].u.u64 ?
1238 (int)(100 * stats[ST_F_HRSP_OTHER].u.u64 / stats[ST_F_REQ_TOT].u.u64) : 0,
1239 U2H(stats[ST_F_WREW].u.u64),
1240 U2H(stats[ST_F_EINT].u.u64));
1241 }
1242
1243 chunk_appendf(out, "<tr><th colspan=3>Max / Avg over last 1024 success. conn.</th></tr>");
1244 chunk_appendf(out, "<tr><th>- Queue time:</th><td>%s / %s</td><td>ms</td></tr>",
1245 U2H(stats[ST_F_QT_MAX].u.u32), U2H(stats[ST_F_QTIME].u.u32));
1246 chunk_appendf(out, "<tr><th>- Connect time:</th><td>%s / %s</td><td>ms</td></tr>",
1247 U2H(stats[ST_F_CT_MAX].u.u32), U2H(stats[ST_F_CTIME].u.u32));
1248 if (strcmp(field_str(stats, ST_F_MODE), "http") == 0)
1249 chunk_appendf(out, "<tr><th>- Responses time:</th><td>%s / %s</td><td>ms</td></tr>",
1250 U2H(stats[ST_F_RT_MAX].u.u32), U2H(stats[ST_F_RTIME].u.u32));
1251 chunk_appendf(out, "<tr><th>- Total time:</th><td>%s / %s</td><td>ms</td></tr>",
1252 U2H(stats[ST_F_TT_MAX].u.u32), U2H(stats[ST_F_TTIME].u.u32));
1253
1254 chunk_appendf(out,
1255 "</table></div></u></td>"
1256 /* sessions: lbtot, last */
1257 "<td>%s</td><td>%s</td>",
1258 U2H(stats[ST_F_LBTOT].u.u64),
1259 human_time(stats[ST_F_LASTSESS].u.s32, 1));
1260
1261 chunk_appendf(out,
1262 /* bytes : in, out */
1263 "<td>%s</td><td>%s</td>"
1264 /* denied: req, resp */
1265 "<td></td><td>%s</td>"
1266 /* errors : request, connect */
1267 "<td></td><td>%s</td>"
1268 /* errors : response */
1269 "<td><u>%s<div class=tips>Connection resets during transfers: %lld client, %lld server</div></u></td>"
1270 /* warnings: retries, redispatches */
1271 "<td>%lld</td><td>%lld</td>"
1272 "",
1273 U2H(stats[ST_F_BIN].u.u64), U2H(stats[ST_F_BOUT].u.u64),
1274 U2H(stats[ST_F_DRESP].u.u64),
1275 U2H(stats[ST_F_ECON].u.u64),
1276 U2H(stats[ST_F_ERESP].u.u64),
1277 (long long)stats[ST_F_CLI_ABRT].u.u64,
1278 (long long)stats[ST_F_SRV_ABRT].u.u64,
1279 (long long)stats[ST_F_WRETR].u.u64,
1280 (long long)stats[ST_F_WREDIS].u.u64);
1281
1282 /* status, last change */
1283 chunk_appendf(out, "<td class=ac>");
1284
1285 /* FIXME!!!!
1286 * LASTCHG should contain the last change for *this* server and must be computed
1287 * properly above, as was done below, ie: this server if maint, otherwise ref server
1288 * if tracking. Note that ref is either local or remote depending on tracking.
1289 */
1290
1291
1292 if (strncmp(field_str(stats, ST_F_STATUS), "MAINT", 5) == 0) {
1293 chunk_appendf(out, "%s MAINT", human_time(stats[ST_F_LASTCHG].u.u32, 1));
1294 }
1295 else if (strcmp(field_str(stats, ST_F_STATUS), "no check") == 0) {
1296 chunk_strcat(out, "<i>no check</i>");
1297 }
1298 else {
1299 chunk_appendf(out, "%s %s", human_time(stats[ST_F_LASTCHG].u.u32, 1), field_str(stats, ST_F_STATUS));
1300 if (strncmp(field_str(stats, ST_F_STATUS), "DOWN", 4) == 0) {
1301 if (stats[ST_F_CHECK_HEALTH].u.u32)
1302 chunk_strcat(out, " ↑");
1303 }
1304 else if (stats[ST_F_CHECK_HEALTH].u.u32 < stats[ST_F_CHECK_RISE].u.u32 + stats[ST_F_CHECK_FALL].u.u32 - 1)
1305 chunk_strcat(out, " ↓");
1306 }
1307
1308 if (strncmp(field_str(stats, ST_F_STATUS), "DOWN", 4) == 0 &&
1309 stats[ST_F_AGENT_STATUS].type && !stats[ST_F_AGENT_HEALTH].u.u32) {
1310 chunk_appendf(out,
1311 "</td><td class=ac><u> %s",
1312 field_str(stats, ST_F_AGENT_STATUS));
1313
1314 if (stats[ST_F_AGENT_CODE].type)
1315 chunk_appendf(out, "/%d", stats[ST_F_AGENT_CODE].u.u32);
1316
1317 if (stats[ST_F_AGENT_DURATION].type)
1318 chunk_appendf(out, " in %lums", (long)stats[ST_F_AGENT_DURATION].u.u64);
1319
1320 chunk_appendf(out, "<div class=tips>%s", field_str(stats, ST_F_AGENT_DESC));
1321
1322 if (*field_str(stats, ST_F_LAST_AGT)) {
1323 chunk_appendf(out, ": ");
1324 chunk_initstr(&src, field_str(stats, ST_F_LAST_AGT));
1325 chunk_htmlencode(out, &src);
1326 }
1327 chunk_appendf(out, "</div></u>");
1328 }
1329 else if (stats[ST_F_CHECK_STATUS].type) {
1330 chunk_appendf(out,
1331 "</td><td class=ac><u> %s",
1332 field_str(stats, ST_F_CHECK_STATUS));
1333
1334 if (stats[ST_F_CHECK_CODE].type)
1335 chunk_appendf(out, "/%d", stats[ST_F_CHECK_CODE].u.u32);
1336
1337 if (stats[ST_F_CHECK_DURATION].type)
1338 chunk_appendf(out, " in %lums", (long)stats[ST_F_CHECK_DURATION].u.u64);
1339
1340 chunk_appendf(out, "<div class=tips>%s", field_str(stats, ST_F_CHECK_DESC));
1341
1342 if (*field_str(stats, ST_F_LAST_CHK)) {
1343 chunk_appendf(out, ": ");
1344 chunk_initstr(&src, field_str(stats, ST_F_LAST_CHK));
1345 chunk_htmlencode(out, &src);
1346 }
1347 chunk_appendf(out, "</div></u>");
1348 }
1349 else
1350 chunk_appendf(out, "</td><td>");
1351
1352 chunk_appendf(out,
1353 /* weight / uweight */
1354 "</td><td class=ac>%d/%d</td>"
1355 /* act, bck */
1356 "<td class=ac>%s</td><td class=ac>%s</td>"
1357 "",
1358 stats[ST_F_WEIGHT].u.u32, stats[ST_F_UWEIGHT].u.u32,
1359 stats[ST_F_BCK].u.u32 ? "-" : "Y",
1360 stats[ST_F_BCK].u.u32 ? "Y" : "-");
1361
1362 /* check failures: unique, fatal, down time */
1363 if (strcmp(field_str(stats, ST_F_STATUS), "MAINT (resolution)") == 0) {
1364 chunk_appendf(out, "<td class=ac colspan=3>resolution</td>");
1365 }
1366 else if (stats[ST_F_CHKFAIL].type) {
1367 chunk_appendf(out, "<td><u>%lld", (long long)stats[ST_F_CHKFAIL].u.u64);
1368
1369 if (stats[ST_F_HANAFAIL].type)
1370 chunk_appendf(out, "/%lld", (long long)stats[ST_F_HANAFAIL].u.u64);
1371
1372 chunk_appendf(out,
1373 "<div class=tips>Failed Health Checks%s</div></u></td>"
1374 "<td>%lld</td><td>%s</td>"
1375 "",
1376 stats[ST_F_HANAFAIL].type ? "/Health Analyses" : "",
1377 (long long)stats[ST_F_CHKDOWN].u.u64, human_time(stats[ST_F_DOWNTIME].u.u32, 1));
1378 }
1379 else if (strcmp(field_str(stats, ST_F_STATUS), "MAINT") != 0 && field_format(stats, ST_F_TRACKED) == FF_STR) {
1380 /* tracking a server (hence inherited maint would appear as "MAINT (via...)" */
1381 chunk_appendf(out,
1382 "<td class=ac colspan=3><a class=lfsb href=\"#%s\">via %s</a></td>",
1383 field_str(stats, ST_F_TRACKED), field_str(stats, ST_F_TRACKED));
1384 }
1385 else
1386 chunk_appendf(out, "<td colspan=3></td>");
1387
1388 /* throttle */
1389 if (stats[ST_F_THROTTLE].type)
1390 chunk_appendf(out, "<td class=ac>%d %%</td>\n", stats[ST_F_THROTTLE].u.u32);
1391 else
1392 chunk_appendf(out, "<td class=ac>-</td>");
1393
1394 if (flags & STAT_SHMODULES) {
1395 list_for_each_entry(mod, &stats_module_list[STATS_DOMAIN_PROXY], list) {
1396 chunk_appendf(out, "<td>");
1397
1398 if (stats_px_get_cap(mod->domain_flags) & STATS_PX_CAP_SRV) {
1399 chunk_appendf(out,
1400 "<u>%s<div class=tips><table class=det>",
1401 mod->name);
1402 for (j = 0; j < mod->stats_count; ++j) {
1403 chunk_appendf(out,
1404 "<tr><th>%s</th><td>%s</td></tr>",
1405 mod->stats[j].desc, field_to_html_str(&stats[ST_F_TOTAL_FIELDS + i]));
1406 ++i;
1407 }
1408 chunk_appendf(out, "</table></div></u>");
1409 } else {
1410 i += mod->stats_count;
1411 }
1412
1413 chunk_appendf(out, "</td>");
1414 }
1415 }
1416
1417 chunk_appendf(out, "</tr>\n");
1418 }
1419 else if (stats[ST_F_TYPE].u.u32 == STATS_TYPE_BE) {
1420 chunk_appendf(out, "<tr class=\"backend\">");
1421 if (flags & STAT_ADMIN) {
1422 /* Column sub-heading for Enable or Disable server */
1423 chunk_appendf(out, "<td></td>");
1424 }
1425 chunk_appendf(out,
1426 "<td class=ac>"
1427 /* name */
1428 "%s<a name=\"%s/Backend\"></a>"
1429 "<a class=lfsb href=\"#%s/Backend\">Backend</a>"
1430 "",
1431 (flags & STAT_SHLGNDS)?"<u>":"",
1432 field_str(stats, ST_F_PXNAME), field_str(stats, ST_F_PXNAME));
1433
1434 if (flags & STAT_SHLGNDS) {
1435 /* balancing */
1436 chunk_appendf(out, "<div class=tips>balancing: %s",
1437 field_str(stats, ST_F_ALGO));
1438
1439 /* cookie */
1440 if (stats[ST_F_COOKIE].type) {
1441 chunk_appendf(out, ", cookie: '");
1442 chunk_initstr(&src, field_str(stats, ST_F_COOKIE));
1443 chunk_htmlencode(out, &src);
1444 chunk_appendf(out, "'");
1445 }
1446 chunk_appendf(out, "</div>");
1447 }
1448
1449 chunk_appendf(out,
1450 "%s</td>"
1451 /* queue : current, max */
1452 "<td>%s</td><td>%s</td><td></td>"
1453 /* sessions rate : current, max, limit */
1454 "<td>%s</td><td>%s</td><td></td>"
1455 "",
1456 (flags & STAT_SHLGNDS)?"</u>":"",
1457 U2H(stats[ST_F_QCUR].u.u32), U2H(stats[ST_F_QMAX].u.u32),
1458 U2H(stats[ST_F_RATE].u.u32), U2H(stats[ST_F_RATE_MAX].u.u32));
1459
1460 chunk_appendf(out,
1461 /* sessions: current, max, limit, total */
1462 "<td>%s</td><td>%s</td><td>%s</td>"
1463 "<td><u>%s<div class=tips><table class=det>"
1464 "<tr><th>Cum. sessions:</th><td>%s</td></tr>"
1465 "",
1466 U2H(stats[ST_F_SCUR].u.u32), U2H(stats[ST_F_SMAX].u.u32), U2H(stats[ST_F_SLIM].u.u32),
1467 U2H(stats[ST_F_STOT].u.u64),
1468 U2H(stats[ST_F_STOT].u.u64));
1469
1470 /* http response (via hover): 1xx, 2xx, 3xx, 4xx, 5xx, other */
1471 if (strcmp(field_str(stats, ST_F_MODE), "http") == 0) {
1472 chunk_appendf(out,
1473 "<tr><th>New connections:</th><td>%s</td></tr>"
1474 "<tr><th>Reused connections:</th><td>%s</td><td>(%d%%)</td></tr>"
1475 "<tr><th>Cum. HTTP requests:</th><td>%s</td></tr>"
1476 "<tr><th>- HTTP 1xx responses:</th><td>%s</td></tr>"
1477 "<tr><th>- HTTP 2xx responses:</th><td>%s</td></tr>"
1478 "<tr><th> Compressed 2xx:</th><td>%s</td><td>(%d%%)</td></tr>"
1479 "<tr><th>- HTTP 3xx responses:</th><td>%s</td></tr>"
1480 "<tr><th>- HTTP 4xx responses:</th><td>%s</td></tr>"
1481 "<tr><th>- HTTP 5xx responses:</th><td>%s</td></tr>"
1482 "<tr><th>- other responses:</th><td>%s</td></tr>"
1483 "<tr><th>Cache lookups:</th><td>%s</td></tr>"
1484 "<tr><th>Cache hits:</th><td>%s</td><td>(%d%%)</td></tr>"
1485 "<tr><th>Failed hdr rewrites:</th><td>%s</td></tr>"
1486 "<tr><th>Internal errors:</th><td>%s</td></tr>"
1487 "",
1488 U2H(stats[ST_F_CONNECT].u.u64),
1489 U2H(stats[ST_F_REUSE].u.u64),
1490 (stats[ST_F_CONNECT].u.u64 + stats[ST_F_REUSE].u.u64) ?
1491 (int)(100 * stats[ST_F_REUSE].u.u64 / (stats[ST_F_CONNECT].u.u64 + stats[ST_F_REUSE].u.u64)) : 0,
1492 U2H(stats[ST_F_REQ_TOT].u.u64),
1493 U2H(stats[ST_F_HRSP_1XX].u.u64),
1494 U2H(stats[ST_F_HRSP_2XX].u.u64),
1495 U2H(stats[ST_F_COMP_RSP].u.u64),
1496 stats[ST_F_HRSP_2XX].u.u64 ?
1497 (int)(100 * stats[ST_F_COMP_RSP].u.u64 / stats[ST_F_HRSP_2XX].u.u64) : 0,
1498 U2H(stats[ST_F_HRSP_3XX].u.u64),
1499 U2H(stats[ST_F_HRSP_4XX].u.u64),
1500 U2H(stats[ST_F_HRSP_5XX].u.u64),
1501 U2H(stats[ST_F_HRSP_OTHER].u.u64),
1502 U2H(stats[ST_F_CACHE_LOOKUPS].u.u64),
1503 U2H(stats[ST_F_CACHE_HITS].u.u64),
1504 stats[ST_F_CACHE_LOOKUPS].u.u64 ?
1505 (int)(100 * stats[ST_F_CACHE_HITS].u.u64 / stats[ST_F_CACHE_LOOKUPS].u.u64) : 0,
1506 U2H(stats[ST_F_WREW].u.u64),
1507 U2H(stats[ST_F_EINT].u.u64));
1508 }
1509
1510 chunk_appendf(out, "<tr><th colspan=3>Max / Avg over last 1024 success. conn.</th></tr>");
1511 chunk_appendf(out, "<tr><th>- Queue time:</th><td>%s / %s</td><td>ms</td></tr>",
1512 U2H(stats[ST_F_QT_MAX].u.u32), U2H(stats[ST_F_QTIME].u.u32));
1513 chunk_appendf(out, "<tr><th>- Connect time:</th><td>%s / %s</td><td>ms</td></tr>",
1514 U2H(stats[ST_F_CT_MAX].u.u32), U2H(stats[ST_F_CTIME].u.u32));
1515 if (strcmp(field_str(stats, ST_F_MODE), "http") == 0)
1516 chunk_appendf(out, "<tr><th>- Responses time:</th><td>%s / %s</td><td>ms</td></tr>",
1517 U2H(stats[ST_F_RT_MAX].u.u32), U2H(stats[ST_F_RTIME].u.u32));
1518 chunk_appendf(out, "<tr><th>- Total time:</th><td>%s / %s</td><td>ms</td></tr>",
1519 U2H(stats[ST_F_TT_MAX].u.u32), U2H(stats[ST_F_TTIME].u.u32));
1520
1521 chunk_appendf(out,
1522 "</table></div></u></td>"
1523 /* sessions: lbtot, last */
1524 "<td>%s</td><td>%s</td>"
1525 /* bytes: in */
1526 "<td>%s</td>"
1527 "",
1528 U2H(stats[ST_F_LBTOT].u.u64),
1529 human_time(stats[ST_F_LASTSESS].u.s32, 1),
1530 U2H(stats[ST_F_BIN].u.u64));
1531
1532 chunk_appendf(out,
1533 /* bytes:out + compression stats (via hover): comp_in, comp_out, comp_byp */
1534 "<td>%s%s<div class=tips><table class=det>"
1535 "<tr><th>Response bytes in:</th><td>%s</td></tr>"
1536 "<tr><th>Compression in:</th><td>%s</td></tr>"
1537 "<tr><th>Compression out:</th><td>%s</td><td>(%d%%)</td></tr>"
1538 "<tr><th>Compression bypass:</th><td>%s</td></tr>"
1539 "<tr><th>Total bytes saved:</th><td>%s</td><td>(%d%%)</td></tr>"
1540 "</table></div>%s</td>",
1541 (stats[ST_F_COMP_IN].u.u64 || stats[ST_F_COMP_BYP].u.u64) ? "<u>":"",
1542 U2H(stats[ST_F_BOUT].u.u64),
1543 U2H(stats[ST_F_BOUT].u.u64),
1544 U2H(stats[ST_F_COMP_IN].u.u64),
1545 U2H(stats[ST_F_COMP_OUT].u.u64),
1546 stats[ST_F_COMP_IN].u.u64 ? (int)(stats[ST_F_COMP_OUT].u.u64 * 100 / stats[ST_F_COMP_IN].u.u64) : 0,
1547 U2H(stats[ST_F_COMP_BYP].u.u64),
1548 U2H(stats[ST_F_COMP_IN].u.u64 - stats[ST_F_COMP_OUT].u.u64),
1549 stats[ST_F_BOUT].u.u64 ? (int)((stats[ST_F_COMP_IN].u.u64 - stats[ST_F_COMP_OUT].u.u64) * 100 / stats[ST_F_BOUT].u.u64) : 0,
1550 (stats[ST_F_COMP_IN].u.u64 || stats[ST_F_COMP_BYP].u.u64) ? "</u>":"");
1551
1552 chunk_appendf(out,
1553 /* denied: req, resp */
1554 "<td>%s</td><td>%s</td>"
1555 /* errors : request, connect */
1556 "<td></td><td>%s</td>"
1557 /* errors : response */
1558 "<td><u>%s<div class=tips>Connection resets during transfers: %lld client, %lld server</div></u></td>"
1559 /* warnings: retries, redispatches */
1560 "<td>%lld</td><td>%lld</td>"
1561 /* backend status: reflect backend status (up/down): we display UP
1562 * if the backend has known working servers or if it has no server at
1563 * all (eg: for stats). Then we display the total weight, number of
1564 * active and backups. */
1565 "<td class=ac>%s %s</td><td class=ac> </td><td class=ac>%d/%d</td>"
1566 "<td class=ac>%d</td><td class=ac>%d</td>"
1567 "",
1568 U2H(stats[ST_F_DREQ].u.u64), U2H(stats[ST_F_DRESP].u.u64),
1569 U2H(stats[ST_F_ECON].u.u64),
1570 U2H(stats[ST_F_ERESP].u.u64),
1571 (long long)stats[ST_F_CLI_ABRT].u.u64,
1572 (long long)stats[ST_F_SRV_ABRT].u.u64,
1573 (long long)stats[ST_F_WRETR].u.u64, (long long)stats[ST_F_WREDIS].u.u64,
1574 human_time(stats[ST_F_LASTCHG].u.u32, 1),
1575 strcmp(field_str(stats, ST_F_STATUS), "DOWN") ? field_str(stats, ST_F_STATUS) : "<font color=\"red\"><b>DOWN</b></font>",
1576 stats[ST_F_WEIGHT].u.u32, stats[ST_F_UWEIGHT].u.u32,
1577 stats[ST_F_ACT].u.u32, stats[ST_F_BCK].u.u32);
1578
1579 chunk_appendf(out,
1580 /* rest of backend: nothing, down transitions, total downtime, throttle */
1581 "<td class=ac> </td><td>%d</td>"
1582 "<td>%s</td>"
1583 "<td></td>",
1584 stats[ST_F_CHKDOWN].u.u32,
1585 stats[ST_F_DOWNTIME].type ? human_time(stats[ST_F_DOWNTIME].u.u32, 1) : " ");
1586
1587 if (flags & STAT_SHMODULES) {
1588 list_for_each_entry(mod, &stats_module_list[STATS_DOMAIN_PROXY], list) {
1589 chunk_appendf(out, "<td>");
1590
1591 if (stats_px_get_cap(mod->domain_flags) & STATS_PX_CAP_BE) {
1592 chunk_appendf(out,
1593 "<u>%s<div class=tips><table class=det>",
1594 mod->name);
1595 for (j = 0; j < mod->stats_count; ++j) {
1596 chunk_appendf(out,
1597 "<tr><th>%s</th><td>%s</td></tr>",
1598 mod->stats[j].desc, field_to_html_str(&stats[ST_F_TOTAL_FIELDS + i]));
1599 ++i;
1600 }
1601 chunk_appendf(out, "</table></div></u>");
1602 } else {
1603 i += mod->stats_count;
1604 }
1605
1606 chunk_appendf(out, "</td>");
1607 }
1608 }
1609
1610 chunk_appendf(out, "</tr>");
1611 }
1612
1613 return 1;
1614 }
1615
stats_dump_one_line(const struct field * stats,size_t stats_count,struct appctx * appctx)1616 int stats_dump_one_line(const struct field *stats, size_t stats_count,
1617 struct appctx *appctx)
1618 {
1619 int ret;
1620
1621 if (appctx->ctx.stats.flags & STAT_FMT_HTML)
1622 ret = stats_dump_fields_html(&trash, stats, appctx->ctx.stats.flags);
1623 else if (appctx->ctx.stats.flags & STAT_FMT_TYPED)
1624 ret = stats_dump_fields_typed(&trash, stats, stats_count, appctx->ctx.stats.flags, appctx->ctx.stats.domain);
1625 else if (appctx->ctx.stats.flags & STAT_FMT_JSON)
1626 ret = stats_dump_fields_json(&trash, stats, stats_count, appctx->ctx.stats.flags, appctx->ctx.stats.domain);
1627 else
1628 ret = stats_dump_fields_csv(&trash, stats, stats_count, appctx->ctx.stats.flags, appctx->ctx.stats.domain);
1629
1630 if (ret)
1631 appctx->ctx.stats.flags |= STAT_STARTED;
1632
1633 return ret;
1634 }
1635
1636 /* Fill <stats> with the frontend statistics. <stats> is preallocated array of
1637 * length <len>. If <selected_field> is != NULL, only fill this one. The length
1638 * of the array must be at least ST_F_TOTAL_FIELDS. If this length is less than
1639 * this value, or if the selected field is not implemented for frontends, the
1640 * function returns 0, otherwise, it returns 1.
1641 */
stats_fill_fe_stats(struct proxy * px,struct field * stats,int len,enum stat_field * selected_field)1642 int stats_fill_fe_stats(struct proxy *px, struct field *stats, int len,
1643 enum stat_field *selected_field)
1644 {
1645 enum stat_field current_field = (selected_field != NULL ? *selected_field : 0);
1646
1647 if (len < ST_F_TOTAL_FIELDS)
1648 return 0;
1649
1650 for (; current_field < ST_F_TOTAL_FIELDS; current_field++) {
1651 struct field metric = { 0 };
1652
1653 switch (current_field) {
1654 case ST_F_PXNAME:
1655 metric = mkf_str(FO_KEY|FN_NAME|FS_SERVICE, px->id);
1656 break;
1657 case ST_F_SVNAME:
1658 metric = mkf_str(FO_KEY|FN_NAME|FS_SERVICE, "FRONTEND");
1659 break;
1660 case ST_F_MODE:
1661 metric = mkf_str(FO_CONFIG|FS_SERVICE, proxy_mode_str(px->mode));
1662 break;
1663 case ST_F_SCUR:
1664 metric = mkf_u32(0, px->feconn);
1665 break;
1666 case ST_F_SMAX:
1667 metric = mkf_u32(FN_MAX, px->fe_counters.conn_max);
1668 break;
1669 case ST_F_SLIM:
1670 metric = mkf_u32(FO_CONFIG|FN_LIMIT, px->maxconn);
1671 break;
1672 case ST_F_STOT:
1673 metric = mkf_u64(FN_COUNTER, px->fe_counters.cum_sess);
1674 break;
1675 case ST_F_BIN:
1676 metric = mkf_u64(FN_COUNTER, px->fe_counters.bytes_in);
1677 break;
1678 case ST_F_BOUT:
1679 metric = mkf_u64(FN_COUNTER, px->fe_counters.bytes_out);
1680 break;
1681 case ST_F_DREQ:
1682 metric = mkf_u64(FN_COUNTER, px->fe_counters.denied_req);
1683 break;
1684 case ST_F_DRESP:
1685 metric = mkf_u64(FN_COUNTER, px->fe_counters.denied_resp);
1686 break;
1687 case ST_F_EREQ:
1688 metric = mkf_u64(FN_COUNTER, px->fe_counters.failed_req);
1689 break;
1690 case ST_F_DCON:
1691 metric = mkf_u64(FN_COUNTER, px->fe_counters.denied_conn);
1692 break;
1693 case ST_F_DSES:
1694 metric = mkf_u64(FN_COUNTER, px->fe_counters.denied_sess);
1695 break;
1696 case ST_F_STATUS:
1697 metric = mkf_str(FO_STATUS, px->disabled ? "STOP" : "OPEN");
1698 break;
1699 case ST_F_PID:
1700 metric = mkf_u32(FO_KEY, relative_pid);
1701 break;
1702 case ST_F_IID:
1703 metric = mkf_u32(FO_KEY|FS_SERVICE, px->uuid);
1704 break;
1705 case ST_F_SID:
1706 metric = mkf_u32(FO_KEY|FS_SERVICE, 0);
1707 break;
1708 case ST_F_TYPE:
1709 metric = mkf_u32(FO_CONFIG|FS_SERVICE, STATS_TYPE_FE);
1710 break;
1711 case ST_F_RATE:
1712 metric = mkf_u32(FN_RATE, read_freq_ctr(&px->fe_sess_per_sec));
1713 break;
1714 case ST_F_RATE_LIM:
1715 metric = mkf_u32(FO_CONFIG|FN_LIMIT, px->fe_sps_lim);
1716 break;
1717 case ST_F_RATE_MAX:
1718 metric = mkf_u32(FN_MAX, px->fe_counters.sps_max);
1719 break;
1720 case ST_F_WREW:
1721 metric = mkf_u64(FN_COUNTER, px->fe_counters.failed_rewrites);
1722 break;
1723 case ST_F_EINT:
1724 metric = mkf_u64(FN_COUNTER, px->fe_counters.internal_errors);
1725 break;
1726 case ST_F_HRSP_1XX:
1727 if (px->mode == PR_MODE_HTTP)
1728 metric = mkf_u64(FN_COUNTER, px->fe_counters.p.http.rsp[1]);
1729 break;
1730 case ST_F_HRSP_2XX:
1731 if (px->mode == PR_MODE_HTTP)
1732 metric = mkf_u64(FN_COUNTER, px->fe_counters.p.http.rsp[2]);
1733 break;
1734 case ST_F_HRSP_3XX:
1735 if (px->mode == PR_MODE_HTTP)
1736 metric = mkf_u64(FN_COUNTER, px->fe_counters.p.http.rsp[3]);
1737 break;
1738 case ST_F_HRSP_4XX:
1739 if (px->mode == PR_MODE_HTTP)
1740 metric = mkf_u64(FN_COUNTER, px->fe_counters.p.http.rsp[4]);
1741 break;
1742 case ST_F_HRSP_5XX:
1743 if (px->mode == PR_MODE_HTTP)
1744 metric = mkf_u64(FN_COUNTER, px->fe_counters.p.http.rsp[5]);
1745 break;
1746 case ST_F_HRSP_OTHER:
1747 if (px->mode == PR_MODE_HTTP)
1748 metric = mkf_u64(FN_COUNTER, px->fe_counters.p.http.rsp[0]);
1749 break;
1750 case ST_F_INTERCEPTED:
1751 if (px->mode == PR_MODE_HTTP)
1752 metric = mkf_u64(FN_COUNTER, px->fe_counters.intercepted_req);
1753 break;
1754 case ST_F_CACHE_LOOKUPS:
1755 if (px->mode == PR_MODE_HTTP)
1756 metric = mkf_u64(FN_COUNTER, px->fe_counters.p.http.cache_lookups);
1757 break;
1758 case ST_F_CACHE_HITS:
1759 if (px->mode == PR_MODE_HTTP)
1760 metric = mkf_u64(FN_COUNTER, px->fe_counters.p.http.cache_hits);
1761 break;
1762 case ST_F_REQ_RATE:
1763 metric = mkf_u32(FN_RATE, read_freq_ctr(&px->fe_req_per_sec));
1764 break;
1765 case ST_F_REQ_RATE_MAX:
1766 metric = mkf_u32(FN_MAX, px->fe_counters.p.http.rps_max);
1767 break;
1768 case ST_F_REQ_TOT:
1769 metric = mkf_u64(FN_COUNTER, px->fe_counters.p.http.cum_req);
1770 break;
1771 case ST_F_COMP_IN:
1772 metric = mkf_u64(FN_COUNTER, px->fe_counters.comp_in);
1773 break;
1774 case ST_F_COMP_OUT:
1775 metric = mkf_u64(FN_COUNTER, px->fe_counters.comp_out);
1776 break;
1777 case ST_F_COMP_BYP:
1778 metric = mkf_u64(FN_COUNTER, px->fe_counters.comp_byp);
1779 break;
1780 case ST_F_COMP_RSP:
1781 metric = mkf_u64(FN_COUNTER, px->fe_counters.p.http.comp_rsp);
1782 break;
1783 case ST_F_CONN_RATE:
1784 metric = mkf_u32(FN_RATE, read_freq_ctr(&px->fe_conn_per_sec));
1785 break;
1786 case ST_F_CONN_RATE_MAX:
1787 metric = mkf_u32(FN_MAX, px->fe_counters.cps_max);
1788 break;
1789 case ST_F_CONN_TOT:
1790 metric = mkf_u64(FN_COUNTER, px->fe_counters.cum_conn);
1791 break;
1792 default:
1793 /* not used for frontends. If a specific metric
1794 * is requested, return an error. Otherwise continue.
1795 */
1796 if (selected_field != NULL)
1797 return 0;
1798 continue;
1799 }
1800 stats[current_field] = metric;
1801 if (selected_field != NULL)
1802 break;
1803 }
1804 return 1;
1805 }
1806
1807 /* Dumps a frontend's line to the trash for the current proxy <px> and uses
1808 * the state from stream interface <si>. The caller is responsible for clearing
1809 * the trash if needed. Returns non-zero if it emits anything, zero otherwise.
1810 */
stats_dump_fe_stats(struct stream_interface * si,struct proxy * px)1811 static int stats_dump_fe_stats(struct stream_interface *si, struct proxy *px)
1812 {
1813 struct appctx *appctx = __objt_appctx(si->end);
1814 struct field *stats = stat_l[STATS_DOMAIN_PROXY];
1815 struct stats_module *mod;
1816 size_t stats_count = ST_F_TOTAL_FIELDS;
1817
1818 if (!(px->cap & PR_CAP_FE))
1819 return 0;
1820
1821 if ((appctx->ctx.stats.flags & STAT_BOUND) && !(appctx->ctx.stats.type & (1 << STATS_TYPE_FE)))
1822 return 0;
1823
1824 memset(stats, 0, sizeof(struct field) * stat_count[STATS_DOMAIN_PROXY]);
1825
1826 if (!stats_fill_fe_stats(px, stats, ST_F_TOTAL_FIELDS, NULL))
1827 return 0;
1828
1829 list_for_each_entry(mod, &stats_module_list[STATS_DOMAIN_PROXY], list) {
1830 void *counters;
1831
1832 if (!(stats_px_get_cap(mod->domain_flags) & STATS_PX_CAP_FE)) {
1833 stats_count += mod->stats_count;
1834 continue;
1835 }
1836
1837 counters = EXTRA_COUNTERS_GET(px->extra_counters_fe, mod);
1838 mod->fill_stats(counters, stats + stats_count);
1839 stats_count += mod->stats_count;
1840 }
1841
1842 return stats_dump_one_line(stats, stats_count, appctx);
1843 }
1844
1845 /* Fill <stats> with the listener statistics. <stats> is preallocated array of
1846 * length <len>. The length of the array must be at least ST_F_TOTAL_FIELDS. If
1847 * this length is less then this value, the function returns 0, otherwise, it
1848 * returns 1. If selected_field is != NULL, only fill this one. <flags> can
1849 * take the value STAT_SHLGNDS.
1850 */
stats_fill_li_stats(struct proxy * px,struct listener * l,int flags,struct field * stats,int len,enum stat_field * selected_field)1851 int stats_fill_li_stats(struct proxy *px, struct listener *l, int flags,
1852 struct field *stats, int len, enum stat_field *selected_field)
1853 {
1854 enum stat_field current_field = (selected_field != NULL ? *selected_field : 0);
1855 struct buffer *out = get_trash_chunk();
1856
1857 if (len < ST_F_TOTAL_FIELDS)
1858 return 0;
1859
1860 if (!l->counters)
1861 return 0;
1862
1863 chunk_reset(out);
1864
1865 for (; current_field < ST_F_TOTAL_FIELDS; current_field++) {
1866 struct field metric = { 0 };
1867
1868 switch (current_field) {
1869 case ST_F_PXNAME:
1870 metric = mkf_str(FO_KEY|FN_NAME|FS_SERVICE, px->id);
1871 break;
1872 case ST_F_SVNAME:
1873 metric = mkf_str(FO_KEY|FN_NAME|FS_SERVICE, l->name);
1874 break;
1875 case ST_F_MODE:
1876 metric = mkf_str(FO_CONFIG|FS_SERVICE, proxy_mode_str(px->mode));
1877 break;
1878 case ST_F_SCUR:
1879 metric = mkf_u32(0, l->nbconn);
1880 break;
1881 case ST_F_SMAX:
1882 metric = mkf_u32(FN_MAX, l->counters->conn_max);
1883 break;
1884 case ST_F_SLIM:
1885 metric = mkf_u32(FO_CONFIG|FN_LIMIT, l->maxconn);
1886 break;
1887 case ST_F_STOT:
1888 metric = mkf_u64(FN_COUNTER, l->counters->cum_conn);
1889 break;
1890 case ST_F_BIN:
1891 metric = mkf_u64(FN_COUNTER, l->counters->bytes_in);
1892 break;
1893 case ST_F_BOUT:
1894 metric = mkf_u64(FN_COUNTER, l->counters->bytes_out);
1895 break;
1896 case ST_F_DREQ:
1897 metric = mkf_u64(FN_COUNTER, l->counters->denied_req);
1898 break;
1899 case ST_F_DRESP:
1900 metric = mkf_u64(FN_COUNTER, l->counters->denied_resp);
1901 break;
1902 case ST_F_EREQ:
1903 metric = mkf_u64(FN_COUNTER, l->counters->failed_req);
1904 break;
1905 case ST_F_DCON:
1906 metric = mkf_u64(FN_COUNTER, l->counters->denied_conn);
1907 break;
1908 case ST_F_DSES:
1909 metric = mkf_u64(FN_COUNTER, l->counters->denied_sess);
1910 break;
1911 case ST_F_STATUS:
1912 metric = mkf_str(FO_STATUS, li_status_st[get_li_status(l)]);
1913 break;
1914 case ST_F_PID:
1915 metric = mkf_u32(FO_KEY, relative_pid);
1916 break;
1917 case ST_F_IID:
1918 metric = mkf_u32(FO_KEY|FS_SERVICE, px->uuid);
1919 break;
1920 case ST_F_SID:
1921 metric = mkf_u32(FO_KEY|FS_SERVICE, l->luid);
1922 break;
1923 case ST_F_TYPE:
1924 metric = mkf_u32(FO_CONFIG|FS_SERVICE, STATS_TYPE_SO);
1925 break;
1926 case ST_F_WREW:
1927 metric = mkf_u64(FN_COUNTER, l->counters->failed_rewrites);
1928 break;
1929 case ST_F_EINT:
1930 metric = mkf_u64(FN_COUNTER, l->counters->internal_errors);
1931 break;
1932 case ST_F_ADDR:
1933 if (flags & STAT_SHLGNDS) {
1934 char str[INET6_ADDRSTRLEN];
1935 int port;
1936
1937 port = get_host_port(&l->rx.addr);
1938 switch (addr_to_str(&l->rx.addr, str, sizeof(str))) {
1939 case AF_INET:
1940 metric = mkf_str(FO_CONFIG|FS_SERVICE, chunk_newstr(out));
1941 chunk_appendf(out, "%s:%d", str, port);
1942 break;
1943 case AF_INET6:
1944 metric = mkf_str(FO_CONFIG|FS_SERVICE, chunk_newstr(out));
1945 chunk_appendf(out, "[%s]:%d", str, port);
1946 break;
1947 case AF_UNIX:
1948 metric = mkf_str(FO_CONFIG|FS_SERVICE, "unix");
1949 break;
1950 case -1:
1951 metric = mkf_str(FO_CONFIG|FS_SERVICE, chunk_newstr(out));
1952 chunk_strcat(out, strerror(errno));
1953 break;
1954 default: /* address family not supported */
1955 break;
1956 }
1957 }
1958 break;
1959 default:
1960 /* not used for listen. If a specific metric
1961 * is requested, return an error. Otherwise continue.
1962 */
1963 if (selected_field != NULL)
1964 return 0;
1965 continue;
1966 }
1967 stats[current_field] = metric;
1968 if (selected_field != NULL)
1969 break;
1970 }
1971 return 1;
1972 }
1973
1974 /* Dumps a line for listener <l> and proxy <px> to the trash and uses the state
1975 * from stream interface <si>. The caller is responsible for clearing the trash
1976 * if needed. Returns non-zero if it emits anything, zero otherwise.
1977 */
stats_dump_li_stats(struct stream_interface * si,struct proxy * px,struct listener * l)1978 static int stats_dump_li_stats(struct stream_interface *si, struct proxy *px, struct listener *l)
1979 {
1980 struct appctx *appctx = __objt_appctx(si->end);
1981 struct field *stats = stat_l[STATS_DOMAIN_PROXY];
1982 struct stats_module *mod;
1983 size_t stats_count = ST_F_TOTAL_FIELDS;
1984
1985 memset(stats, 0, sizeof(struct field) * stat_count[STATS_DOMAIN_PROXY]);
1986
1987 if (!stats_fill_li_stats(px, l, appctx->ctx.stats.flags, stats,
1988 ST_F_TOTAL_FIELDS, NULL))
1989 return 0;
1990
1991 list_for_each_entry(mod, &stats_module_list[STATS_DOMAIN_PROXY], list) {
1992 void *counters;
1993
1994 if (!(stats_px_get_cap(mod->domain_flags) & STATS_PX_CAP_LI)) {
1995 stats_count += mod->stats_count;
1996 continue;
1997 }
1998
1999 counters = EXTRA_COUNTERS_GET(l->extra_counters, mod);
2000 mod->fill_stats(counters, stats + stats_count);
2001 stats_count += mod->stats_count;
2002 }
2003
2004 return stats_dump_one_line(stats, stats_count, appctx);
2005 }
2006
2007 enum srv_stats_state {
2008 SRV_STATS_STATE_DOWN = 0,
2009 SRV_STATS_STATE_DOWN_AGENT,
2010 SRV_STATS_STATE_GOING_UP,
2011 SRV_STATS_STATE_UP_GOING_DOWN,
2012 SRV_STATS_STATE_UP,
2013 SRV_STATS_STATE_NOLB_GOING_DOWN,
2014 SRV_STATS_STATE_NOLB,
2015 SRV_STATS_STATE_DRAIN_GOING_DOWN,
2016 SRV_STATS_STATE_DRAIN,
2017 SRV_STATS_STATE_DRAIN_AGENT,
2018 SRV_STATS_STATE_NO_CHECK,
2019
2020 SRV_STATS_STATE_COUNT, /* Must be last */
2021 };
2022
2023 static const char *srv_hlt_st[SRV_STATS_STATE_COUNT] = {
2024 [SRV_STATS_STATE_DOWN] = "DOWN",
2025 [SRV_STATS_STATE_DOWN_AGENT] = "DOWN (agent)",
2026 [SRV_STATS_STATE_GOING_UP] = "DOWN %d/%d",
2027 [SRV_STATS_STATE_UP_GOING_DOWN] = "UP %d/%d",
2028 [SRV_STATS_STATE_UP] = "UP",
2029 [SRV_STATS_STATE_NOLB_GOING_DOWN] = "NOLB %d/%d",
2030 [SRV_STATS_STATE_NOLB] = "NOLB",
2031 [SRV_STATS_STATE_DRAIN_GOING_DOWN] = "DRAIN %d/%d",
2032 [SRV_STATS_STATE_DRAIN] = "DRAIN",
2033 [SRV_STATS_STATE_DRAIN_AGENT] = "DRAIN (agent)",
2034 [SRV_STATS_STATE_NO_CHECK] = "no check"
2035 };
2036
2037 /* Compute server state helper
2038 */
stats_fill_sv_stats_computestate(struct server * sv,struct server * ref,enum srv_stats_state * state)2039 static void stats_fill_sv_stats_computestate(struct server *sv, struct server *ref,
2040 enum srv_stats_state *state)
2041 {
2042 if (sv->cur_state == SRV_ST_RUNNING || sv->cur_state == SRV_ST_STARTING) {
2043 if ((ref->check.state & CHK_ST_ENABLED) &&
2044 (ref->check.health < ref->check.rise + ref->check.fall - 1)) {
2045 *state = SRV_STATS_STATE_UP_GOING_DOWN;
2046 } else {
2047 *state = SRV_STATS_STATE_UP;
2048 }
2049
2050 if (sv->cur_admin & SRV_ADMF_DRAIN) {
2051 if (ref->agent.state & CHK_ST_ENABLED)
2052 *state = SRV_STATS_STATE_DRAIN_AGENT;
2053 else if (*state == SRV_STATS_STATE_UP_GOING_DOWN)
2054 *state = SRV_STATS_STATE_DRAIN_GOING_DOWN;
2055 else
2056 *state = SRV_STATS_STATE_DRAIN;
2057 }
2058
2059 if (*state == SRV_STATS_STATE_UP && !(ref->check.state & CHK_ST_ENABLED)) {
2060 *state = SRV_STATS_STATE_NO_CHECK;
2061 }
2062 }
2063 else if (sv->cur_state == SRV_ST_STOPPING) {
2064 if ((!(sv->check.state & CHK_ST_ENABLED) && !sv->track) ||
2065 (ref->check.health == ref->check.rise + ref->check.fall - 1)) {
2066 *state = SRV_STATS_STATE_NOLB;
2067 } else {
2068 *state = SRV_STATS_STATE_NOLB_GOING_DOWN;
2069 }
2070 }
2071 else { /* stopped */
2072 if ((ref->agent.state & CHK_ST_ENABLED) && !ref->agent.health) {
2073 *state = SRV_STATS_STATE_DOWN_AGENT;
2074 } else if ((ref->check.state & CHK_ST_ENABLED) && !ref->check.health) {
2075 *state = SRV_STATS_STATE_DOWN; /* DOWN */
2076 } else if ((ref->agent.state & CHK_ST_ENABLED) || (ref->check.state & CHK_ST_ENABLED)) {
2077 *state = SRV_STATS_STATE_GOING_UP;
2078 } else {
2079 *state = SRV_STATS_STATE_DOWN; /* DOWN, unchecked */
2080 }
2081 }
2082 }
2083
2084 /* Fill <stats> with the backend statistics. <stats> is preallocated array of
2085 * length <len>. If <selected_field> is != NULL, only fill this one. The length
2086 * of the array must be at least ST_F_TOTAL_FIELDS. If this length is less than
2087 * this value, or if the selected field is not implemented for servers, the
2088 * function returns 0, otherwise, it returns 1. <flags> can take the value
2089 * STAT_SHLGNDS.
2090 */
stats_fill_sv_stats(struct proxy * px,struct server * sv,int flags,struct field * stats,int len,enum stat_field * selected_field)2091 int stats_fill_sv_stats(struct proxy *px, struct server *sv, int flags,
2092 struct field *stats, int len,
2093 enum stat_field *selected_field)
2094 {
2095 enum stat_field current_field = (selected_field != NULL ? *selected_field : 0);
2096 struct server *via = sv->track ? sv->track : sv;
2097 struct server *ref = via;
2098 enum srv_stats_state state = 0;
2099 char str[INET6_ADDRSTRLEN];
2100 struct buffer *out = get_trash_chunk();
2101 char *fld_status;
2102 long long srv_samples_counter;
2103 unsigned int srv_samples_window = TIME_STATS_SAMPLES;
2104
2105 if (len < ST_F_TOTAL_FIELDS)
2106 return 0;
2107
2108 chunk_reset(out);
2109
2110 /* compute state for later use */
2111 if (selected_field == NULL || *selected_field == ST_F_STATUS ||
2112 *selected_field == ST_F_CHECK_RISE || *selected_field == ST_F_CHECK_FALL ||
2113 *selected_field == ST_F_CHECK_HEALTH || *selected_field == ST_F_HANAFAIL) {
2114 /* we have "via" which is the tracked server as described in the configuration,
2115 * and "ref" which is the checked server and the end of the chain.
2116 */
2117 while (ref->track)
2118 ref = ref->track;
2119 stats_fill_sv_stats_computestate(sv, ref, &state);
2120 }
2121
2122 /* compue time values for later use */
2123 if (selected_field == NULL || *selected_field == ST_F_QTIME ||
2124 *selected_field == ST_F_CTIME || *selected_field == ST_F_RTIME ||
2125 *selected_field == ST_F_TTIME) {
2126 srv_samples_counter = (px->mode == PR_MODE_HTTP) ? sv->counters.p.http.cum_req : sv->counters.cum_lbconn;
2127 if (srv_samples_counter < TIME_STATS_SAMPLES && srv_samples_counter > 0)
2128 srv_samples_window = srv_samples_counter;
2129 }
2130
2131 for (; current_field < ST_F_TOTAL_FIELDS; current_field++) {
2132 struct field metric = { 0 };
2133
2134 switch (current_field) {
2135 case ST_F_PXNAME:
2136 metric = mkf_str(FO_KEY|FN_NAME|FS_SERVICE, px->id);
2137 break;
2138 case ST_F_SVNAME:
2139 metric = mkf_str(FO_KEY|FN_NAME|FS_SERVICE, sv->id);
2140 break;
2141 case ST_F_MODE:
2142 metric = mkf_str(FO_CONFIG|FS_SERVICE, proxy_mode_str(px->mode));
2143 break;
2144 case ST_F_QCUR:
2145 metric = mkf_u32(0, sv->nbpend);
2146 break;
2147 case ST_F_QMAX:
2148 metric = mkf_u32(FN_MAX, sv->counters.nbpend_max);
2149 break;
2150 case ST_F_SCUR:
2151 metric = mkf_u32(0, sv->cur_sess);
2152 break;
2153 case ST_F_SMAX:
2154 metric = mkf_u32(FN_MAX, sv->counters.cur_sess_max);
2155 break;
2156 case ST_F_SLIM:
2157 if (sv->maxconn)
2158 metric = mkf_u32(FO_CONFIG|FN_LIMIT, sv->maxconn);
2159 break;
2160 case ST_F_SRV_ICUR:
2161 metric = mkf_u32(0, sv->curr_idle_conns);
2162 break;
2163 case ST_F_SRV_ILIM:
2164 if (sv->max_idle_conns != -1)
2165 metric = mkf_u32(FO_CONFIG|FN_LIMIT, sv->max_idle_conns);
2166 break;
2167 case ST_F_STOT:
2168 metric = mkf_u64(FN_COUNTER, sv->counters.cum_sess);
2169 break;
2170 case ST_F_BIN:
2171 metric = mkf_u64(FN_COUNTER, sv->counters.bytes_in);
2172 break;
2173 case ST_F_BOUT:
2174 metric = mkf_u64(FN_COUNTER, sv->counters.bytes_out);
2175 break;
2176 case ST_F_DRESP:
2177 metric = mkf_u64(FN_COUNTER, sv->counters.denied_resp);
2178 break;
2179 case ST_F_ECON:
2180 metric = mkf_u64(FN_COUNTER, sv->counters.failed_conns);
2181 break;
2182 case ST_F_ERESP:
2183 metric = mkf_u64(FN_COUNTER, sv->counters.failed_resp);
2184 break;
2185 case ST_F_WRETR:
2186 metric = mkf_u64(FN_COUNTER, sv->counters.retries);
2187 break;
2188 case ST_F_WREDIS:
2189 metric = mkf_u64(FN_COUNTER, sv->counters.redispatches);
2190 break;
2191 case ST_F_WREW:
2192 metric = mkf_u64(FN_COUNTER, sv->counters.failed_rewrites);
2193 break;
2194 case ST_F_EINT:
2195 metric = mkf_u64(FN_COUNTER, sv->counters.internal_errors);
2196 break;
2197 case ST_F_CONNECT:
2198 metric = mkf_u64(FN_COUNTER, sv->counters.connect);
2199 break;
2200 case ST_F_REUSE:
2201 metric = mkf_u64(FN_COUNTER, sv->counters.reuse);
2202 break;
2203 case ST_F_IDLE_CONN_CUR:
2204 metric = mkf_u32(0, sv->curr_idle_nb);
2205 break;
2206 case ST_F_SAFE_CONN_CUR:
2207 metric = mkf_u32(0, sv->curr_safe_nb);
2208 break;
2209 case ST_F_USED_CONN_CUR:
2210 metric = mkf_u32(0, sv->curr_used_conns);
2211 break;
2212 case ST_F_NEED_CONN_EST:
2213 metric = mkf_u32(0, sv->est_need_conns);
2214 break;
2215 case ST_F_STATUS:
2216 fld_status = chunk_newstr(out);
2217 if (sv->cur_admin & SRV_ADMF_RMAINT)
2218 chunk_appendf(out, "MAINT (resolution)");
2219 else if (sv->cur_admin & SRV_ADMF_IMAINT)
2220 chunk_appendf(out, "MAINT (via %s/%s)", via->proxy->id, via->id);
2221 else if (sv->cur_admin & SRV_ADMF_MAINT)
2222 chunk_appendf(out, "MAINT");
2223 else
2224 chunk_appendf(out,
2225 srv_hlt_st[state],
2226 (ref->cur_state != SRV_ST_STOPPED) ? (ref->check.health - ref->check.rise + 1) : (ref->check.health),
2227 (ref->cur_state != SRV_ST_STOPPED) ? (ref->check.fall) : (ref->check.rise));
2228
2229 metric = mkf_str(FO_STATUS, fld_status);
2230 break;
2231 case ST_F_LASTCHG:
2232 metric = mkf_u32(FN_AGE, now.tv_sec - sv->last_change);
2233 break;
2234 case ST_F_WEIGHT:
2235 metric = mkf_u32(FN_AVG, (sv->cur_eweight * px->lbprm.wmult + px->lbprm.wdiv - 1) / px->lbprm.wdiv);
2236 break;
2237 case ST_F_UWEIGHT:
2238 metric = mkf_u32(FN_AVG, sv->uweight);
2239 break;
2240 case ST_F_ACT:
2241 metric = mkf_u32(FO_STATUS, (sv->flags & SRV_F_BACKUP) ? 0 : 1);
2242 break;
2243 case ST_F_BCK:
2244 metric = mkf_u32(FO_STATUS, (sv->flags & SRV_F_BACKUP) ? 1 : 0);
2245 break;
2246 case ST_F_CHKFAIL:
2247 if (sv->check.state & CHK_ST_ENABLED)
2248 metric = mkf_u64(FN_COUNTER, sv->counters.failed_checks);
2249 break;
2250 case ST_F_CHKDOWN:
2251 if (sv->check.state & CHK_ST_ENABLED)
2252 metric = mkf_u64(FN_COUNTER, sv->counters.down_trans);
2253 break;
2254 case ST_F_DOWNTIME:
2255 if (sv->check.state & CHK_ST_ENABLED)
2256 metric = mkf_u32(FN_COUNTER, srv_downtime(sv));
2257 break;
2258 case ST_F_QLIMIT:
2259 if (sv->maxqueue)
2260 metric = mkf_u32(FO_CONFIG|FS_SERVICE, sv->maxqueue);
2261 break;
2262 case ST_F_PID:
2263 metric = mkf_u32(FO_KEY, relative_pid);
2264 break;
2265 case ST_F_IID:
2266 metric = mkf_u32(FO_KEY|FS_SERVICE, px->uuid);
2267 break;
2268 case ST_F_SID:
2269 metric = mkf_u32(FO_KEY|FS_SERVICE, sv->puid);
2270 break;
2271 case ST_F_THROTTLE:
2272 if (sv->cur_state == SRV_ST_STARTING && !server_is_draining(sv))
2273 metric = mkf_u32(FN_AVG, server_throttle_rate(sv));
2274 break;
2275 case ST_F_LBTOT:
2276 metric = mkf_u64(FN_COUNTER, sv->counters.cum_lbconn);
2277 break;
2278 case ST_F_TRACKED:
2279 if (sv->track) {
2280 char *fld_track = chunk_newstr(out);
2281 chunk_appendf(out, "%s/%s", sv->track->proxy->id, sv->track->id);
2282 metric = mkf_str(FO_CONFIG|FN_NAME|FS_SERVICE, fld_track);
2283 }
2284 break;
2285 case ST_F_TYPE:
2286 metric = mkf_u32(FO_CONFIG|FS_SERVICE, STATS_TYPE_SV);
2287 break;
2288 case ST_F_RATE:
2289 metric = mkf_u32(FN_RATE, read_freq_ctr(&sv->sess_per_sec));
2290 break;
2291 case ST_F_RATE_MAX:
2292 metric = mkf_u32(FN_MAX, sv->counters.sps_max);
2293 break;
2294 case ST_F_CHECK_STATUS:
2295 if ((sv->check.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) == CHK_ST_ENABLED) {
2296 const char *fld_chksts;
2297
2298 fld_chksts = chunk_newstr(out);
2299 chunk_strcat(out, "* "); // for check in progress
2300 chunk_strcat(out, get_check_status_info(sv->check.status));
2301 if (!(sv->check.state & CHK_ST_INPROGRESS))
2302 fld_chksts += 2; // skip "* "
2303 metric = mkf_str(FN_OUTPUT, fld_chksts);
2304 }
2305 break;
2306 case ST_F_CHECK_CODE:
2307 if ((sv->check.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) == CHK_ST_ENABLED &&
2308 sv->check.status >= HCHK_STATUS_L57DATA)
2309 metric = mkf_u32(FN_OUTPUT, sv->check.code);
2310 break;
2311 case ST_F_CHECK_DURATION:
2312 if ((sv->check.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) == CHK_ST_ENABLED &&
2313 sv->check.status >= HCHK_STATUS_CHECKED)
2314 metric = mkf_u64(FN_DURATION, sv->check.duration);
2315 break;
2316 case ST_F_CHECK_DESC:
2317 if ((sv->check.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) == CHK_ST_ENABLED)
2318 metric = mkf_str(FN_OUTPUT, get_check_status_description(sv->check.status));
2319 break;
2320 case ST_F_LAST_CHK:
2321 if ((sv->check.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) == CHK_ST_ENABLED)
2322 metric = mkf_str(FN_OUTPUT, sv->check.desc);
2323 break;
2324 case ST_F_CHECK_RISE:
2325 if ((sv->check.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) == CHK_ST_ENABLED)
2326 metric = mkf_u32(FO_CONFIG|FS_SERVICE, ref->check.rise);
2327 break;
2328 case ST_F_CHECK_FALL:
2329 if ((sv->check.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) == CHK_ST_ENABLED)
2330 metric = mkf_u32(FO_CONFIG|FS_SERVICE, ref->check.fall);
2331 break;
2332 case ST_F_CHECK_HEALTH:
2333 if ((sv->check.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) == CHK_ST_ENABLED)
2334 metric = mkf_u32(FO_CONFIG|FS_SERVICE, ref->check.health);
2335 break;
2336 case ST_F_AGENT_STATUS:
2337 if ((sv->agent.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) == CHK_ST_ENABLED) {
2338 const char *fld_chksts;
2339
2340 fld_chksts = chunk_newstr(out);
2341 chunk_strcat(out, "* "); // for check in progress
2342 chunk_strcat(out, get_check_status_info(sv->agent.status));
2343 if (!(sv->agent.state & CHK_ST_INPROGRESS))
2344 fld_chksts += 2; // skip "* "
2345 metric = mkf_str(FN_OUTPUT, fld_chksts);
2346 }
2347 break;
2348 case ST_F_AGENT_CODE:
2349 if ((sv->agent.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) == CHK_ST_ENABLED &&
2350 (sv->agent.status >= HCHK_STATUS_L57DATA))
2351 metric = mkf_u32(FN_OUTPUT, sv->agent.code);
2352 break;
2353 case ST_F_AGENT_DURATION:
2354 if ((sv->agent.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) == CHK_ST_ENABLED)
2355 metric = mkf_u64(FN_DURATION, sv->agent.duration);
2356 break;
2357 case ST_F_AGENT_DESC:
2358 if ((sv->agent.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) == CHK_ST_ENABLED)
2359 metric = mkf_str(FN_OUTPUT, get_check_status_description(sv->agent.status));
2360 break;
2361 case ST_F_LAST_AGT:
2362 if ((sv->agent.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) == CHK_ST_ENABLED)
2363 metric = mkf_str(FN_OUTPUT, sv->agent.desc);
2364 break;
2365 case ST_F_AGENT_RISE:
2366 if ((sv->agent.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) == CHK_ST_ENABLED)
2367 metric = mkf_u32(FO_CONFIG|FS_SERVICE, sv->agent.rise);
2368 break;
2369 case ST_F_AGENT_FALL:
2370 if ((sv->agent.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) == CHK_ST_ENABLED)
2371 metric = mkf_u32(FO_CONFIG|FS_SERVICE, sv->agent.fall);
2372 break;
2373 case ST_F_AGENT_HEALTH:
2374 if ((sv->agent.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) == CHK_ST_ENABLED)
2375 metric = mkf_u32(FO_CONFIG|FS_SERVICE, sv->agent.health);
2376 break;
2377 case ST_F_REQ_TOT:
2378 if (px->mode == PR_MODE_HTTP)
2379 metric = mkf_u64(FN_COUNTER, sv->counters.p.http.cum_req);
2380 break;
2381 case ST_F_HRSP_1XX:
2382 if (px->mode == PR_MODE_HTTP)
2383 metric = mkf_u64(FN_COUNTER, sv->counters.p.http.rsp[1]);
2384 break;
2385 case ST_F_HRSP_2XX:
2386 if (px->mode == PR_MODE_HTTP)
2387 metric = mkf_u64(FN_COUNTER, sv->counters.p.http.rsp[2]);
2388 break;
2389 case ST_F_HRSP_3XX:
2390 if (px->mode == PR_MODE_HTTP)
2391 metric = mkf_u64(FN_COUNTER, sv->counters.p.http.rsp[3]);
2392 break;
2393 case ST_F_HRSP_4XX:
2394 if (px->mode == PR_MODE_HTTP)
2395 metric = mkf_u64(FN_COUNTER, sv->counters.p.http.rsp[4]);
2396 break;
2397 case ST_F_HRSP_5XX:
2398 if (px->mode == PR_MODE_HTTP)
2399 metric = mkf_u64(FN_COUNTER, sv->counters.p.http.rsp[5]);
2400 break;
2401 case ST_F_HRSP_OTHER:
2402 if (px->mode == PR_MODE_HTTP)
2403 metric = mkf_u64(FN_COUNTER, sv->counters.p.http.rsp[0]);
2404 break;
2405 case ST_F_HANAFAIL:
2406 if (ref->observe)
2407 metric = mkf_u64(FN_COUNTER, sv->counters.failed_hana);
2408 break;
2409 case ST_F_CLI_ABRT:
2410 metric = mkf_u64(FN_COUNTER, sv->counters.cli_aborts);
2411 break;
2412 case ST_F_SRV_ABRT:
2413 metric = mkf_u64(FN_COUNTER, sv->counters.srv_aborts);
2414 break;
2415 case ST_F_LASTSESS:
2416 metric = mkf_s32(FN_AGE, srv_lastsession(sv));
2417 break;
2418 case ST_F_QTIME:
2419 metric = mkf_u32(FN_AVG, swrate_avg(sv->counters.q_time, srv_samples_window));
2420 break;
2421 case ST_F_CTIME:
2422 metric = mkf_u32(FN_AVG, swrate_avg(sv->counters.c_time, srv_samples_window));
2423 break;
2424 case ST_F_RTIME:
2425 metric = mkf_u32(FN_AVG, swrate_avg(sv->counters.d_time, srv_samples_window));
2426 break;
2427 case ST_F_TTIME:
2428 metric = mkf_u32(FN_AVG, swrate_avg(sv->counters.t_time, srv_samples_window));
2429 break;
2430 case ST_F_QT_MAX:
2431 metric = mkf_u32(FN_MAX, sv->counters.qtime_max);
2432 break;
2433 case ST_F_CT_MAX:
2434 metric = mkf_u32(FN_MAX, sv->counters.ctime_max);
2435 break;
2436 case ST_F_RT_MAX:
2437 metric = mkf_u32(FN_MAX, sv->counters.dtime_max);
2438 break;
2439 case ST_F_TT_MAX:
2440 metric = mkf_u32(FN_MAX, sv->counters.ttime_max);
2441 break;
2442 case ST_F_ADDR:
2443 if (flags & STAT_SHLGNDS) {
2444 switch (addr_to_str(&sv->addr, str, sizeof(str))) {
2445 case AF_INET:
2446 metric = mkf_str(FO_CONFIG|FS_SERVICE, chunk_newstr(out));
2447 chunk_appendf(out, "%s:%d", str, sv->svc_port);
2448 break;
2449 case AF_INET6:
2450 metric = mkf_str(FO_CONFIG|FS_SERVICE, chunk_newstr(out));
2451 chunk_appendf(out, "[%s]:%d", str, sv->svc_port);
2452 break;
2453 case AF_UNIX:
2454 metric = mkf_str(FO_CONFIG|FS_SERVICE, "unix");
2455 break;
2456 case -1:
2457 metric = mkf_str(FO_CONFIG|FS_SERVICE, chunk_newstr(out));
2458 chunk_strcat(out, strerror(errno));
2459 break;
2460 default: /* address family not supported */
2461 break;
2462 }
2463 }
2464 break;
2465 case ST_F_COOKIE:
2466 if (flags & STAT_SHLGNDS && sv->cookie)
2467 metric = mkf_str(FO_CONFIG|FN_NAME|FS_SERVICE, sv->cookie);
2468 break;
2469 default:
2470 /* not used for servers. If a specific metric
2471 * is requested, return an error. Otherwise continue.
2472 */
2473 if (selected_field != NULL)
2474 return 0;
2475 continue;
2476 }
2477 stats[current_field] = metric;
2478 if (selected_field != NULL)
2479 break;
2480 }
2481 return 1;
2482 }
2483
2484 /* Dumps a line for server <sv> and proxy <px> to the trash and uses the state
2485 * from stream interface <si>, and server state <state>. The caller is
2486 * responsible for clearing the trash if needed. Returns non-zero if it emits
2487 * anything, zero otherwise.
2488 */
stats_dump_sv_stats(struct stream_interface * si,struct proxy * px,struct server * sv)2489 static int stats_dump_sv_stats(struct stream_interface *si, struct proxy *px, struct server *sv)
2490 {
2491 struct appctx *appctx = __objt_appctx(si->end);
2492 struct stats_module *mod;
2493 struct field *stats = stat_l[STATS_DOMAIN_PROXY];
2494 size_t stats_count = ST_F_TOTAL_FIELDS;
2495
2496 memset(stats, 0, sizeof(struct field) * stat_count[STATS_DOMAIN_PROXY]);
2497
2498 if (!stats_fill_sv_stats(px, sv, appctx->ctx.stats.flags, stats,
2499 ST_F_TOTAL_FIELDS, NULL))
2500 return 0;
2501
2502 list_for_each_entry(mod, &stats_module_list[STATS_DOMAIN_PROXY], list) {
2503 void *counters;
2504
2505 if (stats_get_domain(mod->domain_flags) != STATS_DOMAIN_PROXY)
2506 continue;
2507
2508 if (!(stats_px_get_cap(mod->domain_flags) & STATS_PX_CAP_SRV)) {
2509 stats_count += mod->stats_count;
2510 continue;
2511 }
2512
2513 counters = EXTRA_COUNTERS_GET(sv->extra_counters, mod);
2514 mod->fill_stats(counters, stats + stats_count);
2515 stats_count += mod->stats_count;
2516 }
2517
2518 return stats_dump_one_line(stats, stats_count, appctx);
2519 }
2520
2521 /* Helper to compute srv values for a given backend
2522 */
stats_fill_be_stats_computesrv(struct proxy * px,int * nbup,int * nbsrv,int * totuw)2523 static void stats_fill_be_stats_computesrv(struct proxy *px, int *nbup, int *nbsrv, int *totuw)
2524 {
2525 int nbup_tmp, nbsrv_tmp, totuw_tmp;
2526 const struct server *srv;
2527
2528 nbup_tmp = nbsrv_tmp = totuw_tmp = 0;
2529 for (srv = px->srv; srv; srv = srv->next) {
2530 if (srv->cur_state != SRV_ST_STOPPED) {
2531 nbup_tmp++;
2532 if (srv_currently_usable(srv) &&
2533 (!px->srv_act ^ !(srv->flags & SRV_F_BACKUP)))
2534 totuw_tmp += srv->uweight;
2535 }
2536 nbsrv_tmp++;
2537 }
2538
2539 HA_RWLOCK_RDLOCK(LBPRM_LOCK, &px->lbprm.lock);
2540 if (!px->srv_act && px->lbprm.fbck)
2541 totuw_tmp = px->lbprm.fbck->uweight;
2542 HA_RWLOCK_RDUNLOCK(LBPRM_LOCK, &px->lbprm.lock);
2543
2544 /* use tmp variable then assign result to make gcc happy */
2545 *nbup = nbup_tmp;
2546 *nbsrv = nbsrv_tmp;
2547 *totuw = totuw_tmp;
2548 }
2549
2550 /* Fill <stats> with the backend statistics. <stats> is preallocated array of
2551 * length <len>. If <selected_field> is != NULL, only fill this one. The length
2552 * of the array must be at least ST_F_TOTAL_FIELDS. If this length is less than
2553 * this value, or if the selected field is not implemented for backends, the
2554 * function returns 0, otherwise, it returns 1. <flags> can take the value
2555 * STAT_SHLGNDS.
2556 */
stats_fill_be_stats(struct proxy * px,int flags,struct field * stats,int len,enum stat_field * selected_field)2557 int stats_fill_be_stats(struct proxy *px, int flags, struct field *stats, int len,
2558 enum stat_field *selected_field)
2559 {
2560 enum stat_field current_field = (selected_field != NULL ? *selected_field : 0);
2561 long long be_samples_counter;
2562 unsigned int be_samples_window = TIME_STATS_SAMPLES;
2563 struct buffer *out = get_trash_chunk();
2564 int nbup, nbsrv, totuw;
2565 char *fld;
2566
2567 if (len < ST_F_TOTAL_FIELDS)
2568 return 0;
2569
2570 nbup = nbsrv = totuw = 0;
2571 /* some srv values compute for later if we either select all fields or
2572 * need them for one of the mentioned ones */
2573 if (selected_field == NULL || *selected_field == ST_F_STATUS ||
2574 *selected_field == ST_F_UWEIGHT)
2575 stats_fill_be_stats_computesrv(px, &nbup, &nbsrv, &totuw);
2576
2577 /* same here but specific to time fields */
2578 if (selected_field == NULL || *selected_field == ST_F_QTIME ||
2579 *selected_field == ST_F_CTIME || *selected_field == ST_F_RTIME ||
2580 *selected_field == ST_F_TTIME) {
2581 be_samples_counter = (px->mode == PR_MODE_HTTP) ? px->be_counters.p.http.cum_req : px->be_counters.cum_lbconn;
2582 if (be_samples_counter < TIME_STATS_SAMPLES && be_samples_counter > 0)
2583 be_samples_window = be_samples_counter;
2584 }
2585
2586 for (; current_field < ST_F_TOTAL_FIELDS; current_field++) {
2587 struct field metric = { 0 };
2588
2589 switch (current_field) {
2590 case ST_F_PXNAME:
2591 metric = mkf_str(FO_KEY|FN_NAME|FS_SERVICE, px->id);
2592 break;
2593 case ST_F_SVNAME:
2594 metric = mkf_str(FO_KEY|FN_NAME|FS_SERVICE, "BACKEND");
2595 break;
2596 case ST_F_MODE:
2597 metric = mkf_str(FO_CONFIG|FS_SERVICE, proxy_mode_str(px->mode));
2598 break;
2599 case ST_F_QCUR:
2600 metric = mkf_u32(0, px->nbpend);
2601 break;
2602 case ST_F_QMAX:
2603 metric = mkf_u32(FN_MAX, px->be_counters.nbpend_max);
2604 break;
2605 case ST_F_SCUR:
2606 metric = mkf_u32(0, px->beconn);
2607 break;
2608 case ST_F_SMAX:
2609 metric = mkf_u32(FN_MAX, px->be_counters.conn_max);
2610 break;
2611 case ST_F_SLIM:
2612 metric = mkf_u32(FO_CONFIG|FN_LIMIT, px->fullconn);
2613 break;
2614 case ST_F_STOT:
2615 metric = mkf_u64(FN_COUNTER, px->be_counters.cum_conn);
2616 break;
2617 case ST_F_BIN:
2618 metric = mkf_u64(FN_COUNTER, px->be_counters.bytes_in);
2619 break;
2620 case ST_F_BOUT:
2621 metric = mkf_u64(FN_COUNTER, px->be_counters.bytes_out);
2622 break;
2623 case ST_F_DREQ:
2624 metric = mkf_u64(FN_COUNTER, px->be_counters.denied_req);
2625 break;
2626 case ST_F_DRESP:
2627 metric = mkf_u64(FN_COUNTER, px->be_counters.denied_resp);
2628 break;
2629 case ST_F_ECON:
2630 metric = mkf_u64(FN_COUNTER, px->be_counters.failed_conns);
2631 break;
2632 case ST_F_ERESP:
2633 metric = mkf_u64(FN_COUNTER, px->be_counters.failed_resp);
2634 break;
2635 case ST_F_WRETR:
2636 metric = mkf_u64(FN_COUNTER, px->be_counters.retries);
2637 break;
2638 case ST_F_WREDIS:
2639 metric = mkf_u64(FN_COUNTER, px->be_counters.redispatches);
2640 break;
2641 case ST_F_WREW:
2642 metric = mkf_u64(FN_COUNTER, px->be_counters.failed_rewrites);
2643 break;
2644 case ST_F_EINT:
2645 metric = mkf_u64(FN_COUNTER, px->be_counters.internal_errors);
2646 break;
2647 case ST_F_CONNECT:
2648 metric = mkf_u64(FN_COUNTER, px->be_counters.connect);
2649 break;
2650 case ST_F_REUSE:
2651 metric = mkf_u64(FN_COUNTER, px->be_counters.reuse);
2652 break;
2653 case ST_F_STATUS:
2654 fld = chunk_newstr(out);
2655 chunk_appendf(out, "%s", (px->lbprm.tot_weight > 0 || !px->srv) ? "UP" : "DOWN");
2656 if (flags & (STAT_HIDE_MAINT|STAT_HIDE_DOWN))
2657 chunk_appendf(out, " (%d/%d)", nbup, nbsrv);
2658 metric = mkf_str(FO_STATUS, fld);
2659 break;
2660 case ST_F_AGG_SRV_CHECK_STATUS:
2661 metric = mkf_u32(FN_GAUGE, 0);
2662 break;
2663 case ST_F_WEIGHT:
2664 metric = mkf_u32(FN_AVG, (px->lbprm.tot_weight * px->lbprm.wmult + px->lbprm.wdiv - 1) / px->lbprm.wdiv);
2665 break;
2666 case ST_F_UWEIGHT:
2667 metric = mkf_u32(FN_AVG, totuw);
2668 break;
2669 case ST_F_ACT:
2670 metric = mkf_u32(0, px->srv_act);
2671 break;
2672 case ST_F_BCK:
2673 metric = mkf_u32(0, px->srv_bck);
2674 break;
2675 case ST_F_CHKDOWN:
2676 metric = mkf_u64(FN_COUNTER, px->down_trans);
2677 break;
2678 case ST_F_LASTCHG:
2679 metric = mkf_u32(FN_AGE, now.tv_sec - px->last_change);
2680 break;
2681 case ST_F_DOWNTIME:
2682 if (px->srv)
2683 metric = mkf_u32(FN_COUNTER, be_downtime(px));
2684 break;
2685 case ST_F_PID:
2686 metric = mkf_u32(FO_KEY, relative_pid);
2687 break;
2688 case ST_F_IID:
2689 metric = mkf_u32(FO_KEY|FS_SERVICE, px->uuid);
2690 break;
2691 case ST_F_SID:
2692 metric = mkf_u32(FO_KEY|FS_SERVICE, 0);
2693 break;
2694 case ST_F_LBTOT:
2695 metric = mkf_u64(FN_COUNTER, px->be_counters.cum_lbconn);
2696 break;
2697 case ST_F_TYPE:
2698 metric = mkf_u32(FO_CONFIG|FS_SERVICE, STATS_TYPE_BE);
2699 break;
2700 case ST_F_RATE:
2701 metric = mkf_u32(0, read_freq_ctr(&px->be_sess_per_sec));
2702 break;
2703 case ST_F_RATE_MAX:
2704 metric = mkf_u32(0, px->be_counters.sps_max);
2705 break;
2706 case ST_F_COOKIE:
2707 if (flags & STAT_SHLGNDS && px->cookie_name)
2708 metric = mkf_str(FO_CONFIG|FN_NAME|FS_SERVICE, px->cookie_name);
2709 break;
2710 case ST_F_ALGO:
2711 if (flags & STAT_SHLGNDS)
2712 metric = mkf_str(FO_CONFIG|FS_SERVICE, backend_lb_algo_str(px->lbprm.algo & BE_LB_ALGO));
2713 break;
2714 case ST_F_REQ_TOT:
2715 if (px->mode == PR_MODE_HTTP)
2716 metric = mkf_u64(FN_COUNTER, px->be_counters.p.http.cum_req);
2717 break;
2718 case ST_F_HRSP_1XX:
2719 if (px->mode == PR_MODE_HTTP)
2720 metric = mkf_u64(FN_COUNTER, px->be_counters.p.http.rsp[1]);
2721 break;
2722 case ST_F_HRSP_2XX:
2723 if (px->mode == PR_MODE_HTTP)
2724 metric = mkf_u64(FN_COUNTER, px->be_counters.p.http.rsp[2]);
2725 break;
2726 case ST_F_HRSP_3XX:
2727 if (px->mode == PR_MODE_HTTP)
2728 metric = mkf_u64(FN_COUNTER, px->be_counters.p.http.rsp[3]);
2729 break;
2730 case ST_F_HRSP_4XX:
2731 if (px->mode == PR_MODE_HTTP)
2732 metric = mkf_u64(FN_COUNTER, px->be_counters.p.http.rsp[4]);
2733 break;
2734 case ST_F_HRSP_5XX:
2735 if (px->mode == PR_MODE_HTTP)
2736 metric = mkf_u64(FN_COUNTER, px->be_counters.p.http.rsp[5]);
2737 break;
2738 case ST_F_HRSP_OTHER:
2739 if (px->mode == PR_MODE_HTTP)
2740 metric = mkf_u64(FN_COUNTER, px->be_counters.p.http.rsp[0]);
2741 break;
2742 case ST_F_CACHE_LOOKUPS:
2743 if (px->mode == PR_MODE_HTTP)
2744 metric = mkf_u64(FN_COUNTER, px->be_counters.p.http.cache_lookups);
2745 break;
2746 case ST_F_CACHE_HITS:
2747 if (px->mode == PR_MODE_HTTP)
2748 metric = mkf_u64(FN_COUNTER, px->be_counters.p.http.cache_hits);
2749 break;
2750 case ST_F_CLI_ABRT:
2751 metric = mkf_u64(FN_COUNTER, px->be_counters.cli_aborts);
2752 break;
2753 case ST_F_SRV_ABRT:
2754 metric = mkf_u64(FN_COUNTER, px->be_counters.srv_aborts);
2755 break;
2756 case ST_F_COMP_IN:
2757 metric = mkf_u64(FN_COUNTER, px->be_counters.comp_in);
2758 break;
2759 case ST_F_COMP_OUT:
2760 metric = mkf_u64(FN_COUNTER, px->be_counters.comp_out);
2761 break;
2762 case ST_F_COMP_BYP:
2763 metric = mkf_u64(FN_COUNTER, px->be_counters.comp_byp);
2764 break;
2765 case ST_F_COMP_RSP:
2766 metric = mkf_u64(FN_COUNTER, px->be_counters.p.http.comp_rsp);
2767 break;
2768 case ST_F_LASTSESS:
2769 metric = mkf_s32(FN_AGE, be_lastsession(px));
2770 break;
2771 case ST_F_QTIME:
2772 metric = mkf_u32(FN_AVG, swrate_avg(px->be_counters.q_time, be_samples_window));
2773 break;
2774 case ST_F_CTIME:
2775 metric = mkf_u32(FN_AVG, swrate_avg(px->be_counters.c_time, be_samples_window));
2776 break;
2777 case ST_F_RTIME:
2778 metric = mkf_u32(FN_AVG, swrate_avg(px->be_counters.d_time, be_samples_window));
2779 break;
2780 case ST_F_TTIME:
2781 metric = mkf_u32(FN_AVG, swrate_avg(px->be_counters.t_time, be_samples_window));
2782 break;
2783 case ST_F_QT_MAX:
2784 metric = mkf_u32(FN_MAX, px->be_counters.qtime_max);
2785 break;
2786 case ST_F_CT_MAX:
2787 metric = mkf_u32(FN_MAX, px->be_counters.ctime_max);
2788 break;
2789 case ST_F_RT_MAX:
2790 metric = mkf_u32(FN_MAX, px->be_counters.dtime_max);
2791 break;
2792 case ST_F_TT_MAX:
2793 metric = mkf_u32(FN_MAX, px->be_counters.ttime_max);
2794 break;
2795 default:
2796 /* not used for backends. If a specific metric
2797 * is requested, return an error. Otherwise continue.
2798 */
2799 if (selected_field != NULL)
2800 return 0;
2801 continue;
2802 }
2803 stats[current_field] = metric;
2804 if (selected_field != NULL)
2805 break;
2806 }
2807 return 1;
2808 }
2809
2810 /* Dumps a line for backend <px> to the trash for and uses the state from stream
2811 * interface <si>. The caller is responsible for clearing the trash if needed.
2812 * Returns non-zero if it emits anything, zero otherwise.
2813 */
stats_dump_be_stats(struct stream_interface * si,struct proxy * px)2814 static int stats_dump_be_stats(struct stream_interface *si, struct proxy *px)
2815 {
2816 struct appctx *appctx = __objt_appctx(si->end);
2817 struct field *stats = stat_l[STATS_DOMAIN_PROXY];
2818 struct stats_module *mod;
2819 size_t stats_count = ST_F_TOTAL_FIELDS;
2820
2821 if (!(px->cap & PR_CAP_BE))
2822 return 0;
2823
2824 if ((appctx->ctx.stats.flags & STAT_BOUND) && !(appctx->ctx.stats.type & (1 << STATS_TYPE_BE)))
2825 return 0;
2826
2827 memset(stats, 0, sizeof(struct field) * stat_count[STATS_DOMAIN_PROXY]);
2828
2829 if (!stats_fill_be_stats(px, appctx->ctx.stats.flags, stats, ST_F_TOTAL_FIELDS, NULL))
2830 return 0;
2831
2832 list_for_each_entry(mod, &stats_module_list[STATS_DOMAIN_PROXY], list) {
2833 struct extra_counters *counters;
2834
2835 if (stats_get_domain(mod->domain_flags) != STATS_DOMAIN_PROXY)
2836 continue;
2837
2838 if (!(stats_px_get_cap(mod->domain_flags) & STATS_PX_CAP_BE)) {
2839 stats_count += mod->stats_count;
2840 continue;
2841 }
2842
2843 counters = EXTRA_COUNTERS_GET(px->extra_counters_be, mod);
2844 mod->fill_stats(counters, stats + stats_count);
2845 stats_count += mod->stats_count;
2846 }
2847
2848 return stats_dump_one_line(stats, stats_count, appctx);
2849 }
2850
2851 /* Dumps the HTML table header for proxy <px> to the trash for and uses the state from
2852 * stream interface <si> and per-uri parameters <uri>. The caller is responsible
2853 * for clearing the trash if needed.
2854 */
stats_dump_html_px_hdr(struct stream_interface * si,struct proxy * px)2855 static void stats_dump_html_px_hdr(struct stream_interface *si, struct proxy *px)
2856 {
2857 struct appctx *appctx = __objt_appctx(si->end);
2858 char scope_txt[STAT_SCOPE_TXT_MAXLEN + sizeof STAT_SCOPE_PATTERN];
2859 struct stats_module *mod;
2860 int stats_module_len = 0;
2861
2862 if (px->cap & PR_CAP_BE && px->srv && (appctx->ctx.stats.flags & STAT_ADMIN)) {
2863 /* A form to enable/disable this proxy servers */
2864
2865 /* scope_txt = search pattern + search query, appctx->ctx.stats.scope_len is always <= STAT_SCOPE_TXT_MAXLEN */
2866 scope_txt[0] = 0;
2867 if (appctx->ctx.stats.scope_len) {
2868 const char *scope_ptr = stats_scope_ptr(appctx, si);
2869
2870 strcpy(scope_txt, STAT_SCOPE_PATTERN);
2871 memcpy(scope_txt + strlen(STAT_SCOPE_PATTERN), scope_ptr, appctx->ctx.stats.scope_len);
2872 scope_txt[strlen(STAT_SCOPE_PATTERN) + appctx->ctx.stats.scope_len] = 0;
2873 }
2874
2875 chunk_appendf(&trash,
2876 "<form method=\"post\">");
2877 }
2878
2879 /* print a new table */
2880 chunk_appendf(&trash,
2881 "<table class=\"tbl\" width=\"100%%\">\n"
2882 "<tr class=\"titre\">"
2883 "<th class=\"pxname\" width=\"10%%\">");
2884
2885 chunk_appendf(&trash,
2886 "<a name=\"%s\"></a>%s"
2887 "<a class=px href=\"#%s\">%s</a>",
2888 px->id,
2889 (appctx->ctx.stats.flags & STAT_SHLGNDS) ? "<u>":"",
2890 px->id, px->id);
2891
2892 if (appctx->ctx.stats.flags & STAT_SHLGNDS) {
2893 /* cap, mode, id */
2894 chunk_appendf(&trash, "<div class=tips>cap: %s, mode: %s, id: %d",
2895 proxy_cap_str(px->cap), proxy_mode_str(px->mode),
2896 px->uuid);
2897 chunk_appendf(&trash, "</div>");
2898 }
2899
2900 chunk_appendf(&trash,
2901 "%s</th>"
2902 "<th class=\"%s\" width=\"90%%\">%s</th>"
2903 "</tr>\n"
2904 "</table>\n"
2905 "<table class=\"tbl\" width=\"100%%\">\n"
2906 "<tr class=\"titre\">",
2907 (appctx->ctx.stats.flags & STAT_SHLGNDS) ? "</u>":"",
2908 px->desc ? "desc" : "empty", px->desc ? px->desc : "");
2909
2910 if (appctx->ctx.stats.flags & STAT_ADMIN) {
2911 /* Column heading for Enable or Disable server */
2912 if ((px->cap & PR_CAP_BE) && px->srv)
2913 chunk_appendf(&trash,
2914 "<th rowspan=2 width=1><input type=\"checkbox\" "
2915 "onclick=\"for(c in document.getElementsByClassName('%s-checkbox')) "
2916 "document.getElementsByClassName('%s-checkbox').item(c).checked = this.checked\"></th>",
2917 px->id,
2918 px->id);
2919 else
2920 chunk_appendf(&trash, "<th rowspan=2></th>");
2921 }
2922
2923 chunk_appendf(&trash,
2924 "<th rowspan=2></th>"
2925 "<th colspan=3>Queue</th>"
2926 "<th colspan=3>Session rate</th><th colspan=6>Sessions</th>"
2927 "<th colspan=2>Bytes</th><th colspan=2>Denied</th>"
2928 "<th colspan=3>Errors</th><th colspan=2>Warnings</th>"
2929 "<th colspan=9>Server</th>");
2930
2931 if (appctx->ctx.stats.flags & STAT_SHMODULES) {
2932 // calculate the count of module for colspan attribute
2933 list_for_each_entry(mod, &stats_module_list[STATS_DOMAIN_PROXY], list) {
2934 ++stats_module_len;
2935 }
2936 chunk_appendf(&trash, "<th colspan=%d>Extra modules</th>",
2937 stats_module_len);
2938 }
2939
2940 chunk_appendf(&trash,
2941 "</tr>\n"
2942 "<tr class=\"titre\">"
2943 "<th>Cur</th><th>Max</th><th>Limit</th>"
2944 "<th>Cur</th><th>Max</th><th>Limit</th><th>Cur</th><th>Max</th>"
2945 "<th>Limit</th><th>Total</th><th>LbTot</th><th>Last</th><th>In</th><th>Out</th>"
2946 "<th>Req</th><th>Resp</th><th>Req</th><th>Conn</th>"
2947 "<th>Resp</th><th>Retr</th><th>Redis</th>"
2948 "<th>Status</th><th>LastChk</th><th>Wght</th><th>Act</th>"
2949 "<th>Bck</th><th>Chk</th><th>Dwn</th><th>Dwntme</th>"
2950 "<th>Thrtle</th>\n");
2951
2952 if (appctx->ctx.stats.flags & STAT_SHMODULES) {
2953 list_for_each_entry(mod, &stats_module_list[STATS_DOMAIN_PROXY], list) {
2954 chunk_appendf(&trash, "<th>%s</th>", mod->name);
2955 }
2956 }
2957
2958 chunk_appendf(&trash, "</tr>");
2959 }
2960
2961 /* Dumps the HTML table trailer for proxy <px> to the trash for and uses the state from
2962 * stream interface <si>. The caller is responsible for clearing the trash if needed.
2963 */
stats_dump_html_px_end(struct stream_interface * si,struct proxy * px)2964 static void stats_dump_html_px_end(struct stream_interface *si, struct proxy *px)
2965 {
2966 struct appctx *appctx = __objt_appctx(si->end);
2967 chunk_appendf(&trash, "</table>");
2968
2969 if ((px->cap & PR_CAP_BE) && px->srv && (appctx->ctx.stats.flags & STAT_ADMIN)) {
2970 /* close the form used to enable/disable this proxy servers */
2971 chunk_appendf(&trash,
2972 "Choose the action to perform on the checked servers : "
2973 "<select name=action>"
2974 "<option value=\"\"></option>"
2975 "<option value=\"ready\">Set state to READY</option>"
2976 "<option value=\"drain\">Set state to DRAIN</option>"
2977 "<option value=\"maint\">Set state to MAINT</option>"
2978 "<option value=\"dhlth\">Health: disable checks</option>"
2979 "<option value=\"ehlth\">Health: enable checks</option>"
2980 "<option value=\"hrunn\">Health: force UP</option>"
2981 "<option value=\"hnolb\">Health: force NOLB</option>"
2982 "<option value=\"hdown\">Health: force DOWN</option>"
2983 "<option value=\"dagent\">Agent: disable checks</option>"
2984 "<option value=\"eagent\">Agent: enable checks</option>"
2985 "<option value=\"arunn\">Agent: force UP</option>"
2986 "<option value=\"adown\">Agent: force DOWN</option>"
2987 "<option value=\"shutdown\">Kill Sessions</option>"
2988 "</select>"
2989 "<input type=\"hidden\" name=\"b\" value=\"#%d\">"
2990 " <input type=\"submit\" value=\"Apply\">"
2991 "</form>",
2992 px->uuid);
2993 }
2994
2995 chunk_appendf(&trash, "<p>\n");
2996 }
2997
2998 /*
2999 * Dumps statistics for a proxy. The output is sent to the stream interface's
3000 * input buffer. Returns 0 if it had to stop dumping data because of lack of
3001 * buffer space, or non-zero if everything completed. This function is used
3002 * both by the CLI and the HTTP entry points, and is able to dump the output
3003 * in HTML or CSV formats. If the later, <uri> must be NULL.
3004 */
stats_dump_proxy_to_buffer(struct stream_interface * si,struct htx * htx,struct proxy * px,struct uri_auth * uri)3005 int stats_dump_proxy_to_buffer(struct stream_interface *si, struct htx *htx,
3006 struct proxy *px, struct uri_auth *uri)
3007 {
3008 struct appctx *appctx = __objt_appctx(si->end);
3009 struct stream *s = si_strm(si);
3010 struct channel *rep = si_ic(si);
3011 struct server *sv, *svs; /* server and server-state, server-state=server or server->track */
3012 struct listener *l;
3013
3014 chunk_reset(&trash);
3015
3016 switch (appctx->ctx.stats.px_st) {
3017 case STAT_PX_ST_INIT:
3018 /* we are on a new proxy */
3019 if (uri && uri->scope) {
3020 /* we have a limited scope, we have to check the proxy name */
3021 struct stat_scope *scope;
3022 int len;
3023
3024 len = strlen(px->id);
3025 scope = uri->scope;
3026
3027 while (scope) {
3028 /* match exact proxy name */
3029 if (scope->px_len == len && !memcmp(px->id, scope->px_id, len))
3030 break;
3031
3032 /* match '.' which means 'self' proxy */
3033 if (strcmp(scope->px_id, ".") == 0 && px == s->be)
3034 break;
3035 scope = scope->next;
3036 }
3037
3038 /* proxy name not found : don't dump anything */
3039 if (scope == NULL)
3040 return 1;
3041 }
3042
3043 /* if the user has requested a limited output and the proxy
3044 * name does not match, skip it.
3045 */
3046 if (appctx->ctx.stats.scope_len) {
3047 const char *scope_ptr = stats_scope_ptr(appctx, si);
3048
3049 if (strnistr(px->id, strlen(px->id), scope_ptr, appctx->ctx.stats.scope_len) == NULL)
3050 return 1;
3051 }
3052
3053 if ((appctx->ctx.stats.flags & STAT_BOUND) &&
3054 (appctx->ctx.stats.iid != -1) &&
3055 (px->uuid != appctx->ctx.stats.iid))
3056 return 1;
3057
3058 appctx->ctx.stats.px_st = STAT_PX_ST_TH;
3059 /* fall through */
3060
3061 case STAT_PX_ST_TH:
3062 if (appctx->ctx.stats.flags & STAT_FMT_HTML) {
3063 stats_dump_html_px_hdr(si, px);
3064 if (!stats_putchk(rep, htx, &trash))
3065 goto full;
3066 }
3067
3068 appctx->ctx.stats.px_st = STAT_PX_ST_FE;
3069 /* fall through */
3070
3071 case STAT_PX_ST_FE:
3072 /* print the frontend */
3073 if (stats_dump_fe_stats(si, px)) {
3074 if (!stats_putchk(rep, htx, &trash))
3075 goto full;
3076 }
3077
3078 appctx->ctx.stats.obj2 = px->conf.listeners.n;
3079 appctx->ctx.stats.px_st = STAT_PX_ST_LI;
3080 /* fall through */
3081
3082 case STAT_PX_ST_LI:
3083 /* obj2 points to listeners list as initialized above */
3084 for (; appctx->ctx.stats.obj2 != &px->conf.listeners; appctx->ctx.stats.obj2 = l->by_fe.n) {
3085 if (htx) {
3086 if (htx_almost_full(htx))
3087 goto full;
3088 }
3089 else {
3090 if (buffer_almost_full(&rep->buf))
3091 goto full;
3092 }
3093
3094 l = LIST_ELEM(appctx->ctx.stats.obj2, struct listener *, by_fe);
3095 if (!l->counters)
3096 continue;
3097
3098 if (appctx->ctx.stats.flags & STAT_BOUND) {
3099 if (!(appctx->ctx.stats.type & (1 << STATS_TYPE_SO)))
3100 break;
3101
3102 if (appctx->ctx.stats.sid != -1 && l->luid != appctx->ctx.stats.sid)
3103 continue;
3104 }
3105
3106 /* print the frontend */
3107 if (stats_dump_li_stats(si, px, l)) {
3108 if (!stats_putchk(rep, htx, &trash))
3109 goto full;
3110 }
3111 }
3112
3113 appctx->ctx.stats.obj2 = px->srv; /* may be NULL */
3114 appctx->ctx.stats.px_st = STAT_PX_ST_SV;
3115 /* fall through */
3116
3117 case STAT_PX_ST_SV:
3118 /* obj2 points to servers list as initialized above.
3119 *
3120 * A dynamic server may be removed during the stats dumping.
3121 * Temporarily increment its refcount to prevent its
3122 * anticipated cleaning. Call free_server to release it.
3123 */
3124 for (; appctx->ctx.stats.obj2 != NULL;
3125 appctx->ctx.stats.obj2 =
3126 (!(sv->flags & SRV_F_DYNAMIC)) ? sv->next : free_server(sv)) {
3127
3128 sv = appctx->ctx.stats.obj2;
3129 if (sv->flags & SRV_F_DYNAMIC)
3130 srv_use_dynsrv(sv);
3131
3132 if (htx) {
3133 if (htx_almost_full(htx))
3134 goto full;
3135 }
3136 else {
3137 if (buffer_almost_full(&rep->buf))
3138 goto full;
3139 }
3140
3141 if (appctx->ctx.stats.flags & STAT_BOUND) {
3142 if (!(appctx->ctx.stats.type & (1 << STATS_TYPE_SV))) {
3143 if (sv->flags & SRV_F_DYNAMIC)
3144 free_server(appctx->ctx.stats.obj2);
3145 break;
3146 }
3147
3148 if (appctx->ctx.stats.sid != -1 && sv->puid != appctx->ctx.stats.sid)
3149 continue;
3150 }
3151
3152 /* do not report disabled servers */
3153 if (appctx->ctx.stats.flags & STAT_HIDE_MAINT &&
3154 sv->cur_admin & SRV_ADMF_MAINT) {
3155 continue;
3156 }
3157
3158 svs = sv;
3159 while (svs->track)
3160 svs = svs->track;
3161
3162 /* do not report servers which are DOWN and not changing state */
3163 if ((appctx->ctx.stats.flags & STAT_HIDE_DOWN) &&
3164 ((sv->cur_admin & SRV_ADMF_MAINT) || /* server is in maintenance */
3165 (sv->cur_state == SRV_ST_STOPPED && /* server is down */
3166 (!((svs->agent.state | svs->check.state) & CHK_ST_ENABLED) ||
3167 ((svs->agent.state & CHK_ST_ENABLED) && !svs->agent.health) ||
3168 ((svs->check.state & CHK_ST_ENABLED) && !svs->check.health))))) {
3169 continue;
3170 }
3171
3172 if (stats_dump_sv_stats(si, px, sv)) {
3173 if (!stats_putchk(rep, htx, &trash))
3174 goto full;
3175 }
3176 } /* for sv */
3177
3178 appctx->ctx.stats.px_st = STAT_PX_ST_BE;
3179 /* fall through */
3180
3181 case STAT_PX_ST_BE:
3182 /* print the backend */
3183 if (stats_dump_be_stats(si, px)) {
3184 if (!stats_putchk(rep, htx, &trash))
3185 goto full;
3186 }
3187
3188 appctx->ctx.stats.px_st = STAT_PX_ST_END;
3189 /* fall through */
3190
3191 case STAT_PX_ST_END:
3192 if (appctx->ctx.stats.flags & STAT_FMT_HTML) {
3193 stats_dump_html_px_end(si, px);
3194 if (!stats_putchk(rep, htx, &trash))
3195 goto full;
3196 }
3197
3198 appctx->ctx.stats.px_st = STAT_PX_ST_FIN;
3199 /* fall through */
3200
3201 case STAT_PX_ST_FIN:
3202 return 1;
3203
3204 default:
3205 /* unknown state, we should put an abort() here ! */
3206 return 1;
3207 }
3208
3209 full:
3210 si_rx_room_blk(si);
3211 return 0;
3212 }
3213
3214 /* Dumps the HTTP stats head block to the trash for and uses the per-uri
3215 * parameters <uri>. The caller is responsible for clearing the trash if needed.
3216 */
stats_dump_html_head(struct appctx * appctx,struct uri_auth * uri)3217 static void stats_dump_html_head(struct appctx *appctx, struct uri_auth *uri)
3218 {
3219 /* WARNING! This must fit in the first buffer !!! */
3220 chunk_appendf(&trash,
3221 "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\"\n"
3222 "\"http://www.w3.org/TR/html4/loose.dtd\">\n"
3223 "<html><head><title>Statistics Report for " PRODUCT_NAME "%s%s</title>\n"
3224 "<link rel=\"icon\" href=\"data:,\">\n"
3225 "<meta http-equiv=\"content-type\" content=\"text/html; charset=iso-8859-1\">\n"
3226 "<style type=\"text/css\"><!--\n"
3227 "body {"
3228 " font-family: arial, helvetica, sans-serif;"
3229 " font-size: 12px;"
3230 " font-weight: normal;"
3231 " color: black;"
3232 " background: white;"
3233 "}\n"
3234 "th,td {"
3235 " font-size: 10px;"
3236 "}\n"
3237 "h1 {"
3238 " font-size: x-large;"
3239 " margin-bottom: 0.5em;"
3240 "}\n"
3241 "h2 {"
3242 " font-family: helvetica, arial;"
3243 " font-size: x-large;"
3244 " font-weight: bold;"
3245 " font-style: italic;"
3246 " color: #6020a0;"
3247 " margin-top: 0em;"
3248 " margin-bottom: 0em;"
3249 "}\n"
3250 "h3 {"
3251 " font-family: helvetica, arial;"
3252 " font-size: 16px;"
3253 " font-weight: bold;"
3254 " color: #b00040;"
3255 " background: #e8e8d0;"
3256 " margin-top: 0em;"
3257 " margin-bottom: 0em;"
3258 "}\n"
3259 "li {"
3260 " margin-top: 0.25em;"
3261 " margin-right: 2em;"
3262 "}\n"
3263 ".hr {margin-top: 0.25em;"
3264 " border-color: black;"
3265 " border-bottom-style: solid;"
3266 "}\n"
3267 ".titre {background: #20D0D0;color: #000000; font-weight: bold; text-align: center;}\n"
3268 ".total {background: #20D0D0;color: #ffff80;}\n"
3269 ".frontend {background: #e8e8d0;}\n"
3270 ".socket {background: #d0d0d0;}\n"
3271 ".backend {background: #e8e8d0;}\n"
3272 ".active_down {background: #ff9090;}\n"
3273 ".active_going_up {background: #ffd020;}\n"
3274 ".active_going_down {background: #ffffa0;}\n"
3275 ".active_up {background: #c0ffc0;}\n"
3276 ".active_nolb {background: #20a0ff;}\n"
3277 ".active_draining {background: #20a0FF;}\n"
3278 ".active_no_check {background: #e0e0e0;}\n"
3279 ".backup_down {background: #ff9090;}\n"
3280 ".backup_going_up {background: #ff80ff;}\n"
3281 ".backup_going_down {background: #c060ff;}\n"
3282 ".backup_up {background: #b0d0ff;}\n"
3283 ".backup_nolb {background: #90b0e0;}\n"
3284 ".backup_draining {background: #cc9900;}\n"
3285 ".backup_no_check {background: #e0e0e0;}\n"
3286 ".maintain {background: #c07820;}\n"
3287 ".rls {letter-spacing: 0.2em; margin-right: 1px;}\n" /* right letter spacing (used for grouping digits) */
3288 "\n"
3289 "a.px:link {color: #ffff40; text-decoration: none;}"
3290 "a.px:visited {color: #ffff40; text-decoration: none;}"
3291 "a.px:hover {color: #ffffff; text-decoration: none;}"
3292 "a.lfsb:link {color: #000000; text-decoration: none;}"
3293 "a.lfsb:visited {color: #000000; text-decoration: none;}"
3294 "a.lfsb:hover {color: #505050; text-decoration: none;}"
3295 "\n"
3296 "table.tbl { border-collapse: collapse; border-style: none;}\n"
3297 "table.tbl td { text-align: right; border-width: 1px 1px 1px 1px; border-style: solid solid solid solid; padding: 2px 3px; border-color: gray; white-space: nowrap;}\n"
3298 "table.tbl td.ac { text-align: center;}\n"
3299 "table.tbl th { border-width: 1px; border-style: solid solid solid solid; border-color: gray;}\n"
3300 "table.tbl th.pxname { background: #b00040; color: #ffff40; font-weight: bold; border-style: solid solid none solid; padding: 2px 3px; white-space: nowrap;}\n"
3301 "table.tbl th.empty { border-style: none; empty-cells: hide; background: white;}\n"
3302 "table.tbl th.desc { background: white; border-style: solid solid none solid; text-align: left; padding: 2px 3px;}\n"
3303 "\n"
3304 "table.lgd { border-collapse: collapse; border-width: 1px; border-style: none none none solid; border-color: black;}\n"
3305 "table.lgd td { border-width: 1px; border-style: solid solid solid solid; border-color: gray; padding: 2px;}\n"
3306 "table.lgd td.noborder { border-style: none; padding: 2px; white-space: nowrap;}\n"
3307 "table.det { border-collapse: collapse; border-style: none; }\n"
3308 "table.det th { text-align: left; border-width: 0px; padding: 0px 1px 0px 0px; font-style:normal;font-size:11px;font-weight:bold;font-family: sans-serif;}\n"
3309 "table.det td { text-align: right; border-width: 0px; padding: 0px 0px 0px 4px; white-space: nowrap; font-style:normal;font-size:11px;font-weight:normal;}\n"
3310 "u {text-decoration:none; border-bottom: 1px dotted black;}\n"
3311 "div.tips {\n"
3312 " display:block;\n"
3313 " visibility:hidden;\n"
3314 " z-index:2147483647;\n"
3315 " position:absolute;\n"
3316 " padding:2px 4px 3px;\n"
3317 " background:#f0f060; color:#000000;\n"
3318 " border:1px solid #7040c0;\n"
3319 " white-space:nowrap;\n"
3320 " font-style:normal;font-size:11px;font-weight:normal;\n"
3321 " -moz-border-radius:3px;-webkit-border-radius:3px;border-radius:3px;\n"
3322 " -moz-box-shadow:gray 2px 2px 3px;-webkit-box-shadow:gray 2px 2px 3px;box-shadow:gray 2px 2px 3px;\n"
3323 "}\n"
3324 "u:hover div.tips {visibility:visible;}\n"
3325 "-->\n"
3326 "</style></head>\n",
3327 (appctx->ctx.stats.flags & STAT_SHNODE) ? " on " : "",
3328 (appctx->ctx.stats.flags & STAT_SHNODE) ? (uri && uri->node ? uri->node : global.node) : ""
3329 );
3330 }
3331
3332 /* Dumps the HTML stats information block to the trash for and uses the state from
3333 * stream interface <si> and per-uri parameters <uri>. The caller is responsible
3334 * for clearing the trash if needed.
3335 */
stats_dump_html_info(struct stream_interface * si,struct uri_auth * uri)3336 static void stats_dump_html_info(struct stream_interface *si, struct uri_auth *uri)
3337 {
3338 struct appctx *appctx = __objt_appctx(si->end);
3339 unsigned int up = (now.tv_sec - start_date.tv_sec);
3340 char scope_txt[STAT_SCOPE_TXT_MAXLEN + sizeof STAT_SCOPE_PATTERN];
3341 const char *scope_ptr = stats_scope_ptr(appctx, si);
3342 unsigned long long bps = (unsigned long long)read_freq_ctr(&global.out_32bps) * 32;
3343
3344 /* Turn the bytes per second to bits per second and take care of the
3345 * usual ethernet overhead in order to help figure how far we are from
3346 * interface saturation since it's the only case which usually matters.
3347 * For this we count the total size of an Ethernet frame on the wire
3348 * including preamble and IFG (1538) for the largest TCP segment it
3349 * transports (1448 with TCP timestamps). This is not valid for smaller
3350 * packets (under-estimated), but it gives a reasonably accurate
3351 * estimation of how far we are from uplink saturation.
3352 */
3353 bps = bps * 8 * 1538 / 1448;
3354
3355 /* WARNING! this has to fit the first packet too.
3356 * We are around 3.5 kB, add adding entries will
3357 * become tricky if we want to support 4kB buffers !
3358 */
3359 chunk_appendf(&trash,
3360 "<body><h1><a href=\"" PRODUCT_URL "\" style=\"text-decoration: none;\">"
3361 PRODUCT_NAME "%s</a></h1>\n"
3362 "<h2>Statistics Report for pid %d%s%s%s%s</h2>\n"
3363 "<hr width=\"100%%\" class=\"hr\">\n"
3364 "<h3>> General process information</h3>\n"
3365 "<table border=0><tr><td align=\"left\" nowrap width=\"1%%\">\n"
3366 "<p><b>pid = </b> %d (process #%d, nbproc = %d, nbthread = %d)<br>\n"
3367 "<b>uptime = </b> %dd %dh%02dm%02ds<br>\n"
3368 "<b>system limits:</b> memmax = %s%s; ulimit-n = %d<br>\n"
3369 "<b>maxsock = </b> %d; <b>maxconn = </b> %d; <b>maxpipes = </b> %d<br>\n"
3370 "current conns = %d; current pipes = %d/%d; conn rate = %d/sec; bit rate = %.3f %cbps<br>\n"
3371 "Running tasks: %d/%d; idle = %d %%<br>\n"
3372 "</td><td align=\"center\" nowrap>\n"
3373 "<table class=\"lgd\"><tr>\n"
3374 "<td class=\"active_up\"> </td><td class=\"noborder\">active UP </td>"
3375 "<td class=\"backup_up\"> </td><td class=\"noborder\">backup UP </td>"
3376 "</tr><tr>\n"
3377 "<td class=\"active_going_down\"></td><td class=\"noborder\">active UP, going down </td>"
3378 "<td class=\"backup_going_down\"></td><td class=\"noborder\">backup UP, going down </td>"
3379 "</tr><tr>\n"
3380 "<td class=\"active_going_up\"></td><td class=\"noborder\">active DOWN, going up </td>"
3381 "<td class=\"backup_going_up\"></td><td class=\"noborder\">backup DOWN, going up </td>"
3382 "</tr><tr>\n"
3383 "<td class=\"active_down\"></td><td class=\"noborder\">active or backup DOWN </td>"
3384 "<td class=\"active_no_check\"></td><td class=\"noborder\">not checked </td>"
3385 "</tr><tr>\n"
3386 "<td class=\"maintain\"></td><td class=\"noborder\" colspan=\"3\">active or backup DOWN for maintenance (MAINT) </td>"
3387 "</tr><tr>\n"
3388 "<td class=\"active_draining\"></td><td class=\"noborder\" colspan=\"3\">active or backup SOFT STOPPED for maintenance </td>"
3389 "</tr></table>\n"
3390 "Note: \"NOLB\"/\"DRAIN\" = UP with load-balancing disabled."
3391 "</td>"
3392 "<td align=\"left\" valign=\"top\" nowrap width=\"1%%\">"
3393 "<b>Display option:</b><ul style=\"margin-top: 0.25em;\">"
3394 "",
3395 (appctx->ctx.stats.flags & STAT_HIDEVER) ? "" : (stats_version_string),
3396 pid, (appctx->ctx.stats.flags & STAT_SHNODE) ? " on " : "",
3397 (appctx->ctx.stats.flags & STAT_SHNODE) ? (uri->node ? uri->node : global.node) : "",
3398 (appctx->ctx.stats.flags & STAT_SHDESC) ? ": " : "",
3399 (appctx->ctx.stats.flags & STAT_SHDESC) ? (uri->desc ? uri->desc : global.desc) : "",
3400 pid, relative_pid, global.nbproc, global.nbthread,
3401 up / 86400, (up % 86400) / 3600,
3402 (up % 3600) / 60, (up % 60),
3403 global.rlimit_memmax ? ultoa(global.rlimit_memmax) : "unlimited",
3404 global.rlimit_memmax ? " MB" : "",
3405 global.rlimit_nofile,
3406 global.maxsock, global.maxconn, global.maxpipes,
3407 actconn, pipes_used, pipes_used+pipes_free, read_freq_ctr(&global.conn_per_sec),
3408 bps >= 1000000000UL ? (bps / 1000000000.0) : bps >= 1000000UL ? (bps / 1000000.0) : (bps / 1000.0),
3409 bps >= 1000000000UL ? 'G' : bps >= 1000000UL ? 'M' : 'k',
3410 total_run_queues(), total_allocated_tasks(), report_idle()
3411 );
3412
3413 /* scope_txt = search query, appctx->ctx.stats.scope_len is always <= STAT_SCOPE_TXT_MAXLEN */
3414 memcpy(scope_txt, scope_ptr, appctx->ctx.stats.scope_len);
3415 scope_txt[appctx->ctx.stats.scope_len] = '\0';
3416
3417 chunk_appendf(&trash,
3418 "<li><form method=\"GET\">Scope : <input value=\"%s\" name=\"" STAT_SCOPE_INPUT_NAME "\" size=\"8\" maxlength=\"%d\" tabindex=\"1\"/></form>\n",
3419 (appctx->ctx.stats.scope_len > 0) ? scope_txt : "",
3420 STAT_SCOPE_TXT_MAXLEN);
3421
3422 /* scope_txt = search pattern + search query, appctx->ctx.stats.scope_len is always <= STAT_SCOPE_TXT_MAXLEN */
3423 scope_txt[0] = 0;
3424 if (appctx->ctx.stats.scope_len) {
3425 strcpy(scope_txt, STAT_SCOPE_PATTERN);
3426 memcpy(scope_txt + strlen(STAT_SCOPE_PATTERN), scope_ptr, appctx->ctx.stats.scope_len);
3427 scope_txt[strlen(STAT_SCOPE_PATTERN) + appctx->ctx.stats.scope_len] = 0;
3428 }
3429
3430 if (appctx->ctx.stats.flags & STAT_HIDE_DOWN)
3431 chunk_appendf(&trash,
3432 "<li><a href=\"%s%s%s%s\">Show all servers</a><br>\n",
3433 uri->uri_prefix,
3434 "",
3435 (appctx->ctx.stats.flags & STAT_NO_REFRESH) ? ";norefresh" : "",
3436 scope_txt);
3437 else
3438 chunk_appendf(&trash,
3439 "<li><a href=\"%s%s%s%s\">Hide 'DOWN' servers</a><br>\n",
3440 uri->uri_prefix,
3441 ";up",
3442 (appctx->ctx.stats.flags & STAT_NO_REFRESH) ? ";norefresh" : "",
3443 scope_txt);
3444
3445 if (uri->refresh > 0) {
3446 if (appctx->ctx.stats.flags & STAT_NO_REFRESH)
3447 chunk_appendf(&trash,
3448 "<li><a href=\"%s%s%s%s\">Enable refresh</a><br>\n",
3449 uri->uri_prefix,
3450 (appctx->ctx.stats.flags & STAT_HIDE_DOWN) ? ";up" : "",
3451 "",
3452 scope_txt);
3453 else
3454 chunk_appendf(&trash,
3455 "<li><a href=\"%s%s%s%s\">Disable refresh</a><br>\n",
3456 uri->uri_prefix,
3457 (appctx->ctx.stats.flags & STAT_HIDE_DOWN) ? ";up" : "",
3458 ";norefresh",
3459 scope_txt);
3460 }
3461
3462 chunk_appendf(&trash,
3463 "<li><a href=\"%s%s%s%s\">Refresh now</a><br>\n",
3464 uri->uri_prefix,
3465 (appctx->ctx.stats.flags & STAT_HIDE_DOWN) ? ";up" : "",
3466 (appctx->ctx.stats.flags & STAT_NO_REFRESH) ? ";norefresh" : "",
3467 scope_txt);
3468
3469 chunk_appendf(&trash,
3470 "<li><a href=\"%s;csv%s%s\">CSV export</a><br>\n",
3471 uri->uri_prefix,
3472 (uri->refresh > 0) ? ";norefresh" : "",
3473 scope_txt);
3474
3475 chunk_appendf(&trash,
3476 "<li><a href=\"%s;json%s%s\">JSON export</a> (<a href=\"%s;json-schema\">schema</a>)<br>\n",
3477 uri->uri_prefix,
3478 (uri->refresh > 0) ? ";norefresh" : "",
3479 scope_txt, uri->uri_prefix);
3480
3481 chunk_appendf(&trash,
3482 "</ul></td>"
3483 "<td align=\"left\" valign=\"top\" nowrap width=\"1%%\">"
3484 "<b>External resources:</b><ul style=\"margin-top: 0.25em;\">\n"
3485 "<li><a href=\"" PRODUCT_URL "\">Primary site</a><br>\n"
3486 "<li><a href=\"" PRODUCT_URL_UPD "\">Updates (v" PRODUCT_BRANCH ")</a><br>\n"
3487 "<li><a href=\"" PRODUCT_URL_DOC "\">Online manual</a><br>\n"
3488 "</ul>"
3489 "</td>"
3490 "</tr></table>\n"
3491 ""
3492 );
3493
3494 if (appctx->ctx.stats.st_code) {
3495 switch (appctx->ctx.stats.st_code) {
3496 case STAT_STATUS_DONE:
3497 chunk_appendf(&trash,
3498 "<p><div class=active_up>"
3499 "<a class=lfsb href=\"%s%s%s%s\" title=\"Remove this message\">[X]</a> "
3500 "Action processed successfully."
3501 "</div>\n", uri->uri_prefix,
3502 (appctx->ctx.stats.flags & STAT_HIDE_DOWN) ? ";up" : "",
3503 (appctx->ctx.stats.flags & STAT_NO_REFRESH) ? ";norefresh" : "",
3504 scope_txt);
3505 break;
3506 case STAT_STATUS_NONE:
3507 chunk_appendf(&trash,
3508 "<p><div class=active_going_down>"
3509 "<a class=lfsb href=\"%s%s%s%s\" title=\"Remove this message\">[X]</a> "
3510 "Nothing has changed."
3511 "</div>\n", uri->uri_prefix,
3512 (appctx->ctx.stats.flags & STAT_HIDE_DOWN) ? ";up" : "",
3513 (appctx->ctx.stats.flags & STAT_NO_REFRESH) ? ";norefresh" : "",
3514 scope_txt);
3515 break;
3516 case STAT_STATUS_PART:
3517 chunk_appendf(&trash,
3518 "<p><div class=active_going_down>"
3519 "<a class=lfsb href=\"%s%s%s%s\" title=\"Remove this message\">[X]</a> "
3520 "Action partially processed.<br>"
3521 "Some server names are probably unknown or ambiguous (duplicated names in the backend)."
3522 "</div>\n", uri->uri_prefix,
3523 (appctx->ctx.stats.flags & STAT_HIDE_DOWN) ? ";up" : "",
3524 (appctx->ctx.stats.flags & STAT_NO_REFRESH) ? ";norefresh" : "",
3525 scope_txt);
3526 break;
3527 case STAT_STATUS_ERRP:
3528 chunk_appendf(&trash,
3529 "<p><div class=active_down>"
3530 "<a class=lfsb href=\"%s%s%s%s\" title=\"Remove this message\">[X]</a> "
3531 "Action not processed because of invalid parameters."
3532 "<ul>"
3533 "<li>The action is maybe unknown.</li>"
3534 "<li>Invalid key parameter (empty or too long).</li>"
3535 "<li>The backend name is probably unknown or ambiguous (duplicated names).</li>"
3536 "<li>Some server names are probably unknown or ambiguous (duplicated names in the backend).</li>"
3537 "</ul>"
3538 "</div>\n", uri->uri_prefix,
3539 (appctx->ctx.stats.flags & STAT_HIDE_DOWN) ? ";up" : "",
3540 (appctx->ctx.stats.flags & STAT_NO_REFRESH) ? ";norefresh" : "",
3541 scope_txt);
3542 break;
3543 case STAT_STATUS_EXCD:
3544 chunk_appendf(&trash,
3545 "<p><div class=active_down>"
3546 "<a class=lfsb href=\"%s%s%s%s\" title=\"Remove this message\">[X]</a> "
3547 "<b>Action not processed : the buffer couldn't store all the data.<br>"
3548 "You should retry with less servers at a time.</b>"
3549 "</div>\n", uri->uri_prefix,
3550 (appctx->ctx.stats.flags & STAT_HIDE_DOWN) ? ";up" : "",
3551 (appctx->ctx.stats.flags & STAT_NO_REFRESH) ? ";norefresh" : "",
3552 scope_txt);
3553 break;
3554 case STAT_STATUS_DENY:
3555 chunk_appendf(&trash,
3556 "<p><div class=active_down>"
3557 "<a class=lfsb href=\"%s%s%s%s\" title=\"Remove this message\">[X]</a> "
3558 "<b>Action denied.</b>"
3559 "</div>\n", uri->uri_prefix,
3560 (appctx->ctx.stats.flags & STAT_HIDE_DOWN) ? ";up" : "",
3561 (appctx->ctx.stats.flags & STAT_NO_REFRESH) ? ";norefresh" : "",
3562 scope_txt);
3563 break;
3564 case STAT_STATUS_IVAL:
3565 chunk_appendf(&trash,
3566 "<p><div class=active_down>"
3567 "<a class=lfsb href=\"%s%s%s%s\" title=\"Remove this message\">[X]</a> "
3568 "<b>Invalid requests (unsupported method or chunked encoded request).</b>"
3569 "</div>\n", uri->uri_prefix,
3570 (appctx->ctx.stats.flags & STAT_HIDE_DOWN) ? ";up" : "",
3571 (appctx->ctx.stats.flags & STAT_NO_REFRESH) ? ";norefresh" : "",
3572 scope_txt);
3573 break;
3574 default:
3575 chunk_appendf(&trash,
3576 "<p><div class=active_no_check>"
3577 "<a class=lfsb href=\"%s%s%s%s\" title=\"Remove this message\">[X]</a> "
3578 "Unexpected result."
3579 "</div>\n", uri->uri_prefix,
3580 (appctx->ctx.stats.flags & STAT_HIDE_DOWN) ? ";up" : "",
3581 (appctx->ctx.stats.flags & STAT_NO_REFRESH) ? ";norefresh" : "",
3582 scope_txt);
3583 }
3584 chunk_appendf(&trash, "<p>\n");
3585 }
3586 }
3587
3588 /* Dumps the HTML stats trailer block to the trash. The caller is responsible
3589 * for clearing the trash if needed.
3590 */
stats_dump_html_end()3591 static void stats_dump_html_end()
3592 {
3593 chunk_appendf(&trash, "</body></html>\n");
3594 }
3595
3596 /* Dumps the stats JSON header to the trash buffer which. The caller is responsible
3597 * for clearing it if needed.
3598 */
stats_dump_json_header()3599 static void stats_dump_json_header()
3600 {
3601 chunk_strcat(&trash, "[");
3602 }
3603
3604
3605 /* Dumps the JSON stats trailer block to the trash. The caller is responsible
3606 * for clearing the trash if needed.
3607 */
stats_dump_json_end()3608 static void stats_dump_json_end()
3609 {
3610 chunk_strcat(&trash, "]");
3611 }
3612
3613 /* Uses <appctx.ctx.stats.obj1> as a pointer to the current proxy and <obj2> as
3614 * a pointer to the current server/listener.
3615 */
stats_dump_proxies(struct stream_interface * si,struct htx * htx,struct uri_auth * uri)3616 static int stats_dump_proxies(struct stream_interface *si,
3617 struct htx *htx,
3618 struct uri_auth *uri)
3619 {
3620 struct appctx *appctx = __objt_appctx(si->end);
3621 struct channel *rep = si_ic(si);
3622 struct proxy *px;
3623
3624 /* dump proxies */
3625 while (appctx->ctx.stats.obj1) {
3626 if (htx) {
3627 if (htx_almost_full(htx))
3628 goto full;
3629 }
3630 else {
3631 if (buffer_almost_full(&rep->buf))
3632 goto full;
3633 }
3634
3635 px = appctx->ctx.stats.obj1;
3636 /* skip the disabled proxies, global frontend and non-networked ones */
3637 if (!px->disabled && px->uuid > 0 && (px->cap & (PR_CAP_FE | PR_CAP_BE))) {
3638 if (stats_dump_proxy_to_buffer(si, htx, px, uri) == 0)
3639 return 0;
3640 }
3641
3642 appctx->ctx.stats.obj1 = px->next;
3643 appctx->ctx.stats.px_st = STAT_PX_ST_INIT;
3644 }
3645
3646 return 1;
3647
3648 full:
3649 si_rx_room_blk(si);
3650 return 0;
3651 }
3652
3653 /* This function dumps statistics onto the stream interface's read buffer in
3654 * either CSV or HTML format. <uri> contains some HTML-specific parameters that
3655 * are ignored for CSV format (hence <uri> may be NULL there). It returns 0 if
3656 * it had to stop writing data and an I/O is needed, 1 if the dump is finished
3657 * and the stream must be closed, or -1 in case of any error. This function is
3658 * used by both the CLI and the HTTP handlers.
3659 */
stats_dump_stat_to_buffer(struct stream_interface * si,struct htx * htx,struct uri_auth * uri)3660 static int stats_dump_stat_to_buffer(struct stream_interface *si, struct htx *htx,
3661 struct uri_auth *uri)
3662 {
3663 struct appctx *appctx = __objt_appctx(si->end);
3664 struct channel *rep = si_ic(si);
3665 enum stats_domain domain = appctx->ctx.stats.domain;
3666
3667 chunk_reset(&trash);
3668
3669 switch (appctx->st2) {
3670 case STAT_ST_INIT:
3671 appctx->st2 = STAT_ST_HEAD; /* let's start producing data */
3672 /* fall through */
3673
3674 case STAT_ST_HEAD:
3675 if (appctx->ctx.stats.flags & STAT_FMT_HTML)
3676 stats_dump_html_head(appctx, uri);
3677 else if (appctx->ctx.stats.flags & STAT_JSON_SCHM)
3678 stats_dump_json_schema(&trash);
3679 else if (appctx->ctx.stats.flags & STAT_FMT_JSON)
3680 stats_dump_json_header();
3681 else if (!(appctx->ctx.stats.flags & STAT_FMT_TYPED))
3682 stats_dump_csv_header(appctx->ctx.stats.domain);
3683
3684 if (!stats_putchk(rep, htx, &trash))
3685 goto full;
3686
3687 if (appctx->ctx.stats.flags & STAT_JSON_SCHM) {
3688 appctx->st2 = STAT_ST_FIN;
3689 return 1;
3690 }
3691 appctx->st2 = STAT_ST_INFO;
3692 /* fall through */
3693
3694 case STAT_ST_INFO:
3695 if (appctx->ctx.stats.flags & STAT_FMT_HTML) {
3696 stats_dump_html_info(si, uri);
3697 if (!stats_putchk(rep, htx, &trash))
3698 goto full;
3699 }
3700
3701 if (domain == STATS_DOMAIN_PROXY)
3702 appctx->ctx.stats.obj1 = proxies_list;
3703
3704 appctx->ctx.stats.px_st = STAT_PX_ST_INIT;
3705 appctx->st2 = STAT_ST_LIST;
3706 /* fall through */
3707
3708 case STAT_ST_LIST:
3709 switch (domain) {
3710 case STATS_DOMAIN_DNS:
3711 if (!stats_dump_resolvers(si, stat_l[domain],
3712 stat_count[domain],
3713 &stats_module_list[domain])) {
3714 return 0;
3715 }
3716 break;
3717
3718 case STATS_DOMAIN_PROXY:
3719 default:
3720 /* dump proxies */
3721 if (!stats_dump_proxies(si, htx, uri))
3722 return 0;
3723 break;
3724 }
3725
3726 appctx->st2 = STAT_ST_END;
3727 /* fall through */
3728
3729 case STAT_ST_END:
3730 if (appctx->ctx.stats.flags & (STAT_FMT_HTML|STAT_FMT_JSON)) {
3731 if (appctx->ctx.stats.flags & STAT_FMT_HTML)
3732 stats_dump_html_end();
3733 else
3734 stats_dump_json_end();
3735 if (!stats_putchk(rep, htx, &trash))
3736 goto full;
3737 }
3738
3739 appctx->st2 = STAT_ST_FIN;
3740 /* fall through */
3741
3742 case STAT_ST_FIN:
3743 return 1;
3744
3745 default:
3746 /* unknown state ! */
3747 appctx->st2 = STAT_ST_FIN;
3748 return -1;
3749 }
3750
3751 full:
3752 si_rx_room_blk(si);
3753 return 0;
3754
3755 }
3756
3757 /* We reached the stats page through a POST request. The appctx is
3758 * expected to have already been allocated by the caller.
3759 * Parse the posted data and enable/disable servers if necessary.
3760 * Returns 1 if request was parsed or zero if it needs more data.
3761 */
stats_process_http_post(struct stream_interface * si)3762 static int stats_process_http_post(struct stream_interface *si)
3763 {
3764 struct stream *s = si_strm(si);
3765 struct appctx *appctx = objt_appctx(si->end);
3766
3767 struct proxy *px = NULL;
3768 struct server *sv = NULL;
3769
3770 char key[LINESIZE];
3771 int action = ST_ADM_ACTION_NONE;
3772 int reprocess = 0;
3773
3774 int total_servers = 0;
3775 int altered_servers = 0;
3776
3777 char *first_param, *cur_param, *next_param, *end_params;
3778 char *st_cur_param = NULL;
3779 char *st_next_param = NULL;
3780
3781 struct buffer *temp = get_trash_chunk();
3782
3783 struct htx *htx = htxbuf(&s->req.buf);
3784 struct htx_blk *blk;
3785
3786 /* we need more data */
3787 if (s->txn->req.msg_state < HTTP_MSG_DONE) {
3788 /* check if we can receive more */
3789 if (htx_free_data_space(htx) <= global.tune.maxrewrite) {
3790 appctx->ctx.stats.st_code = STAT_STATUS_EXCD;
3791 goto out;
3792 }
3793 goto wait;
3794 }
3795
3796 /* The request was fully received. Copy data */
3797 blk = htx_get_head_blk(htx);
3798 while (blk) {
3799 enum htx_blk_type type = htx_get_blk_type(blk);
3800
3801 if (type == HTX_BLK_TLR || type == HTX_BLK_EOT)
3802 break;
3803 if (type == HTX_BLK_DATA) {
3804 struct ist v = htx_get_blk_value(htx, blk);
3805
3806 if (!chunk_memcat(temp, v.ptr, v.len)) {
3807 appctx->ctx.stats.st_code = STAT_STATUS_EXCD;
3808 goto out;
3809 }
3810 }
3811 blk = htx_get_next_blk(htx, blk);
3812 }
3813
3814 first_param = temp->area;
3815 end_params = temp->area + temp->data;
3816 cur_param = next_param = end_params;
3817 *end_params = '\0';
3818
3819 appctx->ctx.stats.st_code = STAT_STATUS_NONE;
3820
3821 /*
3822 * Parse the parameters in reverse order to only store the last value.
3823 * From the html form, the backend and the action are at the end.
3824 */
3825 while (cur_param > first_param) {
3826 char *value;
3827 int poffset, plen;
3828
3829 cur_param--;
3830
3831 if ((*cur_param == '&') || (cur_param == first_param)) {
3832 reprocess_servers:
3833 /* Parse the key */
3834 poffset = (cur_param != first_param ? 1 : 0);
3835 plen = next_param - cur_param + (cur_param == first_param ? 1 : 0);
3836 if ((plen > 0) && (plen <= sizeof(key))) {
3837 strncpy(key, cur_param + poffset, plen);
3838 key[plen - 1] = '\0';
3839 } else {
3840 appctx->ctx.stats.st_code = STAT_STATUS_ERRP;
3841 goto out;
3842 }
3843
3844 /* Parse the value */
3845 value = key;
3846 while (*value != '\0' && *value != '=') {
3847 value++;
3848 }
3849 if (*value == '=') {
3850 /* Ok, a value is found, we can mark the end of the key */
3851 *value++ = '\0';
3852 }
3853 if (url_decode(key, 1) < 0 || url_decode(value, 1) < 0)
3854 break;
3855
3856 /* Now we can check the key to see what to do */
3857 if (!px && (strcmp(key, "b") == 0)) {
3858 if ((px = proxy_be_by_name(value)) == NULL) {
3859 /* the backend name is unknown or ambiguous (duplicate names) */
3860 appctx->ctx.stats.st_code = STAT_STATUS_ERRP;
3861 goto out;
3862 }
3863 }
3864 else if (!action && (strcmp(key, "action") == 0)) {
3865 if (strcmp(value, "ready") == 0) {
3866 action = ST_ADM_ACTION_READY;
3867 }
3868 else if (strcmp(value, "drain") == 0) {
3869 action = ST_ADM_ACTION_DRAIN;
3870 }
3871 else if (strcmp(value, "maint") == 0) {
3872 action = ST_ADM_ACTION_MAINT;
3873 }
3874 else if (strcmp(value, "shutdown") == 0) {
3875 action = ST_ADM_ACTION_SHUTDOWN;
3876 }
3877 else if (strcmp(value, "dhlth") == 0) {
3878 action = ST_ADM_ACTION_DHLTH;
3879 }
3880 else if (strcmp(value, "ehlth") == 0) {
3881 action = ST_ADM_ACTION_EHLTH;
3882 }
3883 else if (strcmp(value, "hrunn") == 0) {
3884 action = ST_ADM_ACTION_HRUNN;
3885 }
3886 else if (strcmp(value, "hnolb") == 0) {
3887 action = ST_ADM_ACTION_HNOLB;
3888 }
3889 else if (strcmp(value, "hdown") == 0) {
3890 action = ST_ADM_ACTION_HDOWN;
3891 }
3892 else if (strcmp(value, "dagent") == 0) {
3893 action = ST_ADM_ACTION_DAGENT;
3894 }
3895 else if (strcmp(value, "eagent") == 0) {
3896 action = ST_ADM_ACTION_EAGENT;
3897 }
3898 else if (strcmp(value, "arunn") == 0) {
3899 action = ST_ADM_ACTION_ARUNN;
3900 }
3901 else if (strcmp(value, "adown") == 0) {
3902 action = ST_ADM_ACTION_ADOWN;
3903 }
3904 /* else these are the old supported methods */
3905 else if (strcmp(value, "disable") == 0) {
3906 action = ST_ADM_ACTION_DISABLE;
3907 }
3908 else if (strcmp(value, "enable") == 0) {
3909 action = ST_ADM_ACTION_ENABLE;
3910 }
3911 else if (strcmp(value, "stop") == 0) {
3912 action = ST_ADM_ACTION_STOP;
3913 }
3914 else if (strcmp(value, "start") == 0) {
3915 action = ST_ADM_ACTION_START;
3916 }
3917 else {
3918 appctx->ctx.stats.st_code = STAT_STATUS_ERRP;
3919 goto out;
3920 }
3921 }
3922 else if (strcmp(key, "s") == 0) {
3923 if (!(px && action)) {
3924 /*
3925 * Indicates that we'll need to reprocess the parameters
3926 * as soon as backend and action are known
3927 */
3928 if (!reprocess) {
3929 st_cur_param = cur_param;
3930 st_next_param = next_param;
3931 }
3932 reprocess = 1;
3933 }
3934 else if ((sv = findserver(px, value)) != NULL) {
3935 HA_SPIN_LOCK(SERVER_LOCK, &sv->lock);
3936 switch (action) {
3937 case ST_ADM_ACTION_DISABLE:
3938 if (!(sv->cur_admin & SRV_ADMF_FMAINT)) {
3939 altered_servers++;
3940 total_servers++;
3941 srv_set_admin_flag(sv, SRV_ADMF_FMAINT, "'disable' on stats page");
3942 }
3943 break;
3944 case ST_ADM_ACTION_ENABLE:
3945 if (sv->cur_admin & SRV_ADMF_FMAINT) {
3946 altered_servers++;
3947 total_servers++;
3948 srv_clr_admin_flag(sv, SRV_ADMF_FMAINT);
3949 }
3950 break;
3951 case ST_ADM_ACTION_STOP:
3952 if (!(sv->cur_admin & SRV_ADMF_FDRAIN)) {
3953 srv_set_admin_flag(sv, SRV_ADMF_FDRAIN, "'stop' on stats page");
3954 altered_servers++;
3955 total_servers++;
3956 }
3957 break;
3958 case ST_ADM_ACTION_START:
3959 if (sv->cur_admin & SRV_ADMF_FDRAIN) {
3960 srv_clr_admin_flag(sv, SRV_ADMF_FDRAIN);
3961 altered_servers++;
3962 total_servers++;
3963 }
3964 break;
3965 case ST_ADM_ACTION_DHLTH:
3966 if (sv->check.state & CHK_ST_CONFIGURED) {
3967 sv->check.state &= ~CHK_ST_ENABLED;
3968 altered_servers++;
3969 total_servers++;
3970 }
3971 break;
3972 case ST_ADM_ACTION_EHLTH:
3973 if (sv->check.state & CHK_ST_CONFIGURED) {
3974 sv->check.state |= CHK_ST_ENABLED;
3975 altered_servers++;
3976 total_servers++;
3977 }
3978 break;
3979 case ST_ADM_ACTION_HRUNN:
3980 if (!(sv->track)) {
3981 sv->check.health = sv->check.rise + sv->check.fall - 1;
3982 srv_set_running(sv, "changed from Web interface", NULL);
3983 altered_servers++;
3984 total_servers++;
3985 }
3986 break;
3987 case ST_ADM_ACTION_HNOLB:
3988 if (!(sv->track)) {
3989 sv->check.health = sv->check.rise + sv->check.fall - 1;
3990 srv_set_stopping(sv, "changed from Web interface", NULL);
3991 altered_servers++;
3992 total_servers++;
3993 }
3994 break;
3995 case ST_ADM_ACTION_HDOWN:
3996 if (!(sv->track)) {
3997 sv->check.health = 0;
3998 srv_set_stopped(sv, "changed from Web interface", NULL);
3999 altered_servers++;
4000 total_servers++;
4001 }
4002 break;
4003 case ST_ADM_ACTION_DAGENT:
4004 if (sv->agent.state & CHK_ST_CONFIGURED) {
4005 sv->agent.state &= ~CHK_ST_ENABLED;
4006 altered_servers++;
4007 total_servers++;
4008 }
4009 break;
4010 case ST_ADM_ACTION_EAGENT:
4011 if (sv->agent.state & CHK_ST_CONFIGURED) {
4012 sv->agent.state |= CHK_ST_ENABLED;
4013 altered_servers++;
4014 total_servers++;
4015 }
4016 break;
4017 case ST_ADM_ACTION_ARUNN:
4018 if (sv->agent.state & CHK_ST_ENABLED) {
4019 sv->agent.health = sv->agent.rise + sv->agent.fall - 1;
4020 srv_set_running(sv, "changed from Web interface", NULL);
4021 altered_servers++;
4022 total_servers++;
4023 }
4024 break;
4025 case ST_ADM_ACTION_ADOWN:
4026 if (sv->agent.state & CHK_ST_ENABLED) {
4027 sv->agent.health = 0;
4028 srv_set_stopped(sv, "changed from Web interface", NULL);
4029 altered_servers++;
4030 total_servers++;
4031 }
4032 break;
4033 case ST_ADM_ACTION_READY:
4034 srv_adm_set_ready(sv);
4035 altered_servers++;
4036 total_servers++;
4037 break;
4038 case ST_ADM_ACTION_DRAIN:
4039 srv_adm_set_drain(sv);
4040 altered_servers++;
4041 total_servers++;
4042 break;
4043 case ST_ADM_ACTION_MAINT:
4044 srv_adm_set_maint(sv);
4045 altered_servers++;
4046 total_servers++;
4047 break;
4048 case ST_ADM_ACTION_SHUTDOWN:
4049 if (!px->disabled) {
4050 srv_shutdown_streams(sv, SF_ERR_KILLED);
4051 altered_servers++;
4052 total_servers++;
4053 }
4054 break;
4055 }
4056 HA_SPIN_UNLOCK(SERVER_LOCK, &sv->lock);
4057 } else {
4058 /* the server name is unknown or ambiguous (duplicate names) */
4059 total_servers++;
4060 }
4061 }
4062 if (reprocess && px && action) {
4063 /* Now, we know the backend and the action chosen by the user.
4064 * We can safely restart from the first server parameter
4065 * to reprocess them
4066 */
4067 cur_param = st_cur_param;
4068 next_param = st_next_param;
4069 reprocess = 0;
4070 goto reprocess_servers;
4071 }
4072
4073 next_param = cur_param;
4074 }
4075 }
4076
4077 if (total_servers == 0) {
4078 appctx->ctx.stats.st_code = STAT_STATUS_NONE;
4079 }
4080 else if (altered_servers == 0) {
4081 appctx->ctx.stats.st_code = STAT_STATUS_ERRP;
4082 }
4083 else if (altered_servers == total_servers) {
4084 appctx->ctx.stats.st_code = STAT_STATUS_DONE;
4085 }
4086 else {
4087 appctx->ctx.stats.st_code = STAT_STATUS_PART;
4088 }
4089 out:
4090 return 1;
4091 wait:
4092 appctx->ctx.stats.st_code = STAT_STATUS_NONE;
4093 return 0;
4094 }
4095
4096
stats_send_http_headers(struct stream_interface * si,struct htx * htx)4097 static int stats_send_http_headers(struct stream_interface *si, struct htx *htx)
4098 {
4099 struct stream *s = si_strm(si);
4100 struct uri_auth *uri = s->be->uri_auth;
4101 struct appctx *appctx = __objt_appctx(si->end);
4102 struct htx_sl *sl;
4103 unsigned int flags;
4104
4105 flags = (HTX_SL_F_IS_RESP|HTX_SL_F_VER_11|HTX_SL_F_XFER_ENC|HTX_SL_F_XFER_LEN|HTX_SL_F_CHNK);
4106 sl = htx_add_stline(htx, HTX_BLK_RES_SL, flags, ist("HTTP/1.1"), ist("200"), ist("OK"));
4107 if (!sl)
4108 goto full;
4109 sl->info.res.status = 200;
4110
4111 if (!htx_add_header(htx, ist("Cache-Control"), ist("no-cache")))
4112 goto full;
4113 if (appctx->ctx.stats.flags & STAT_FMT_HTML) {
4114 if (!htx_add_header(htx, ist("Content-Type"), ist("text/html")))
4115 goto full;
4116 }
4117 else if (appctx->ctx.stats.flags & (STAT_FMT_JSON|STAT_JSON_SCHM)) {
4118 if (!htx_add_header(htx, ist("Content-Type"), ist("application/json")))
4119 goto full;
4120 }
4121 else {
4122 if (!htx_add_header(htx, ist("Content-Type"), ist("text/plain")))
4123 goto full;
4124 }
4125
4126 if (uri->refresh > 0 && !(appctx->ctx.stats.flags & STAT_NO_REFRESH)) {
4127 const char *refresh = U2A(uri->refresh);
4128 if (!htx_add_header(htx, ist("Refresh"), ist(refresh)))
4129 goto full;
4130 }
4131
4132 if (appctx->ctx.stats.flags & STAT_CHUNKED) {
4133 if (!htx_add_header(htx, ist("Transfer-Encoding"), ist("chunked")))
4134 goto full;
4135 }
4136
4137 if (!htx_add_endof(htx, HTX_BLK_EOH))
4138 goto full;
4139
4140 channel_add_input(&s->res, htx->data);
4141 return 1;
4142
4143 full:
4144 htx_reset(htx);
4145 si_rx_room_blk(si);
4146 return 0;
4147 }
4148
4149
stats_send_http_redirect(struct stream_interface * si,struct htx * htx)4150 static int stats_send_http_redirect(struct stream_interface *si, struct htx *htx)
4151 {
4152 char scope_txt[STAT_SCOPE_TXT_MAXLEN + sizeof STAT_SCOPE_PATTERN];
4153 struct stream *s = si_strm(si);
4154 struct uri_auth *uri = s->be->uri_auth;
4155 struct appctx *appctx = __objt_appctx(si->end);
4156 struct htx_sl *sl;
4157 unsigned int flags;
4158
4159 /* scope_txt = search pattern + search query, appctx->ctx.stats.scope_len is always <= STAT_SCOPE_TXT_MAXLEN */
4160 scope_txt[0] = 0;
4161 if (appctx->ctx.stats.scope_len) {
4162 const char *scope_ptr = stats_scope_ptr(appctx, si);
4163
4164 strcpy(scope_txt, STAT_SCOPE_PATTERN);
4165 memcpy(scope_txt + strlen(STAT_SCOPE_PATTERN), scope_ptr, appctx->ctx.stats.scope_len);
4166 scope_txt[strlen(STAT_SCOPE_PATTERN) + appctx->ctx.stats.scope_len] = 0;
4167 }
4168
4169 /* We don't want to land on the posted stats page because a refresh will
4170 * repost the data. We don't want this to happen on accident so we redirect
4171 * the browse to the stats page with a GET.
4172 */
4173 chunk_printf(&trash, "%s;st=%s%s%s%s",
4174 uri->uri_prefix,
4175 ((appctx->ctx.stats.st_code > STAT_STATUS_INIT) &&
4176 (appctx->ctx.stats.st_code < STAT_STATUS_SIZE) &&
4177 stat_status_codes[appctx->ctx.stats.st_code]) ?
4178 stat_status_codes[appctx->ctx.stats.st_code] :
4179 stat_status_codes[STAT_STATUS_UNKN],
4180 (appctx->ctx.stats.flags & STAT_HIDE_DOWN) ? ";up" : "",
4181 (appctx->ctx.stats.flags & STAT_NO_REFRESH) ? ";norefresh" : "",
4182 scope_txt);
4183
4184 flags = (HTX_SL_F_IS_RESP|HTX_SL_F_VER_11|HTX_SL_F_XFER_LEN|HTX_SL_F_CHNK);
4185 sl = htx_add_stline(htx, HTX_BLK_RES_SL, flags, ist("HTTP/1.1"), ist("303"), ist("See Other"));
4186 if (!sl)
4187 goto full;
4188 sl->info.res.status = 303;
4189
4190 if (!htx_add_header(htx, ist("Cache-Control"), ist("no-cache")) ||
4191 !htx_add_header(htx, ist("Content-Type"), ist("text/plain")) ||
4192 !htx_add_header(htx, ist("Content-Length"), ist("0")) ||
4193 !htx_add_header(htx, ist("Location"), ist2(trash.area, trash.data)))
4194 goto full;
4195
4196 if (!htx_add_endof(htx, HTX_BLK_EOH))
4197 goto full;
4198
4199 channel_add_input(&s->res, htx->data);
4200 return 1;
4201
4202 full:
4203 htx_reset(htx);
4204 si_rx_room_blk(si);
4205 return 0;
4206 }
4207
4208
4209 /* This I/O handler runs as an applet embedded in a stream interface. It is
4210 * used to send HTTP stats over a TCP socket. The mechanism is very simple.
4211 * appctx->st0 contains the operation in progress (dump, done). The handler
4212 * automatically unregisters itself once transfer is complete.
4213 */
http_stats_io_handler(struct appctx * appctx)4214 static void http_stats_io_handler(struct appctx *appctx)
4215 {
4216 struct stream_interface *si = appctx->owner;
4217 struct stream *s = si_strm(si);
4218 struct channel *req = si_oc(si);
4219 struct channel *res = si_ic(si);
4220 struct htx *req_htx, *res_htx;
4221
4222 /* only proxy stats are available via http */
4223 appctx->ctx.stats.domain = STATS_DOMAIN_PROXY;
4224
4225 res_htx = htx_from_buf(&res->buf);
4226
4227 if (unlikely(si->state == SI_ST_DIS || si->state == SI_ST_CLO))
4228 goto out;
4229
4230 /* Check if the input buffer is available. */
4231 if (!b_size(&res->buf)) {
4232 si_rx_room_blk(si);
4233 goto out;
4234 }
4235
4236 /* check that the output is not closed */
4237 if (res->flags & (CF_SHUTW|CF_SHUTW_NOW|CF_SHUTR))
4238 appctx->st0 = STAT_HTTP_END;
4239
4240 /* all states are processed in sequence */
4241 if (appctx->st0 == STAT_HTTP_HEAD) {
4242 if (stats_send_http_headers(si, res_htx)) {
4243 if (s->txn->meth == HTTP_METH_HEAD)
4244 appctx->st0 = STAT_HTTP_DONE;
4245 else
4246 appctx->st0 = STAT_HTTP_DUMP;
4247 }
4248 }
4249
4250 if (appctx->st0 == STAT_HTTP_DUMP) {
4251 if (stats_dump_stat_to_buffer(si, res_htx, s->be->uri_auth))
4252 appctx->st0 = STAT_HTTP_DONE;
4253 }
4254
4255 if (appctx->st0 == STAT_HTTP_POST) {
4256 if (stats_process_http_post(si))
4257 appctx->st0 = STAT_HTTP_LAST;
4258 else if (req->flags & CF_SHUTR)
4259 appctx->st0 = STAT_HTTP_DONE;
4260 }
4261
4262 if (appctx->st0 == STAT_HTTP_LAST) {
4263 if (stats_send_http_redirect(si, res_htx))
4264 appctx->st0 = STAT_HTTP_DONE;
4265 }
4266
4267 if (appctx->st0 == STAT_HTTP_DONE) {
4268 /* no more data are expected. Don't add TLR because mux-h1 will take care of it */
4269 res_htx->flags |= HTX_FL_EOM;
4270 appctx->st0 = STAT_HTTP_END;
4271 }
4272
4273 if (appctx->st0 == STAT_HTTP_END) {
4274 if (!(res->flags & CF_SHUTR)) {
4275 res->flags |= CF_READ_NULL;
4276 si_shutr(si);
4277 }
4278
4279 /* eat the whole request */
4280 if (co_data(req)) {
4281 req_htx = htx_from_buf(&req->buf);
4282 co_htx_skip(req, req_htx, co_data(req));
4283 htx_to_buf(req_htx, &req->buf);
4284 }
4285 }
4286
4287 out:
4288 /* we have left the request in the buffer for the case where we
4289 * process a POST, and this automatically re-enables activity on
4290 * read. It's better to indicate that we want to stop reading when
4291 * we're sending, so that we know there's at most one direction
4292 * deciding to wake the applet up. It saves it from looping when
4293 * emitting large blocks into small TCP windows.
4294 */
4295 htx_to_buf(res_htx, &res->buf);
4296 if (!channel_is_empty(res))
4297 si_stop_get(si);
4298 }
4299
4300 /* Dump all fields from <info> into <out> using the "show info" format (name: value) */
stats_dump_info_fields(struct buffer * out,const struct field * info,unsigned int flags)4301 static int stats_dump_info_fields(struct buffer *out,
4302 const struct field *info, unsigned int flags)
4303 {
4304 int field;
4305
4306 for (field = 0; field < INF_TOTAL_FIELDS; field++) {
4307 if (!field_format(info, field))
4308 continue;
4309
4310 if (!chunk_appendf(out, "%s: ", info_fields[field].name))
4311 return 0;
4312 if (!stats_emit_raw_data_field(out, &info[field]))
4313 return 0;
4314 if ((flags & STAT_SHOW_FDESC) && !chunk_appendf(out, ":\"%s\"", info_fields[field].desc))
4315 return 0;
4316 if (!chunk_strcat(out, "\n"))
4317 return 0;
4318 }
4319 return 1;
4320 }
4321
4322 /* Dump all fields from <info> into <out> using the "show info typed" format */
stats_dump_typed_info_fields(struct buffer * out,const struct field * info,unsigned int flags)4323 static int stats_dump_typed_info_fields(struct buffer *out,
4324 const struct field *info, unsigned int flags)
4325 {
4326 int field;
4327
4328 for (field = 0; field < INF_TOTAL_FIELDS; field++) {
4329 if (!field_format(info, field))
4330 continue;
4331
4332 if (!chunk_appendf(out, "%d.%s.%u:", field, info_fields[field].name, info[INF_PROCESS_NUM].u.u32))
4333 return 0;
4334 if (!stats_emit_field_tags(out, &info[field], ':'))
4335 return 0;
4336 if (!stats_emit_typed_data_field(out, &info[field]))
4337 return 0;
4338 if ((flags & STAT_SHOW_FDESC) && !chunk_appendf(out, ":\"%s\"", info_fields[field].desc))
4339 return 0;
4340 if (!chunk_strcat(out, "\n"))
4341 return 0;
4342 }
4343 return 1;
4344 }
4345
4346 /* Fill <info> with HAProxy global info. <info> is preallocated array of length
4347 * <len>. The length of the array must be INF_TOTAL_FIELDS. If this length is
4348 * less then this value, the function returns 0, otherwise, it returns 1. Some
4349 * fields' presence or precision may depend on some of the STAT_* flags present
4350 * in <flags>.
4351 */
stats_fill_info(struct field * info,int len,uint flags)4352 int stats_fill_info(struct field *info, int len, uint flags)
4353 {
4354 struct timeval up;
4355 struct buffer *out = get_trash_chunk();
4356
4357 #ifdef USE_OPENSSL
4358 double ssl_sess_rate = read_freq_ctr_flt(&global.ssl_per_sec);
4359 double ssl_key_rate = read_freq_ctr_flt(&global.ssl_fe_keys_per_sec);
4360 double ssl_reuse = 0;
4361
4362 if (ssl_key_rate < ssl_sess_rate)
4363 ssl_reuse = 100.0 * (1.0 - ssl_key_rate / ssl_sess_rate);
4364 #endif
4365
4366 tv_remain(&start_date, &now, &up);
4367
4368 if (len < INF_TOTAL_FIELDS)
4369 return 0;
4370
4371 chunk_reset(out);
4372 memset(info, 0, sizeof(*info) * len);
4373
4374 info[INF_NAME] = mkf_str(FO_PRODUCT|FN_OUTPUT|FS_SERVICE, PRODUCT_NAME);
4375 info[INF_VERSION] = mkf_str(FO_PRODUCT|FN_OUTPUT|FS_SERVICE, haproxy_version);
4376 info[INF_BUILD_INFO] = mkf_str(FO_PRODUCT|FN_OUTPUT|FS_SERVICE, haproxy_version);
4377 info[INF_RELEASE_DATE] = mkf_str(FO_PRODUCT|FN_OUTPUT|FS_SERVICE, haproxy_date);
4378
4379 info[INF_NBTHREAD] = mkf_u32(FO_CONFIG|FS_SERVICE, global.nbthread);
4380 info[INF_NBPROC] = mkf_u32(FO_CONFIG|FS_SERVICE, global.nbproc);
4381 info[INF_PROCESS_NUM] = mkf_u32(FO_KEY, relative_pid);
4382 info[INF_PID] = mkf_u32(FO_STATUS, pid);
4383
4384 info[INF_UPTIME] = mkf_str(FN_DURATION, chunk_newstr(out));
4385 chunk_appendf(out, "%ud %uh%02um%02us", (uint)up.tv_sec / 86400, ((uint)up.tv_sec % 86400) / 3600, ((uint)up.tv_sec % 3600) / 60, ((uint)up.tv_sec % 60));
4386
4387 info[INF_UPTIME_SEC] = (flags & STAT_USE_FLOAT) ? mkf_flt(FN_DURATION, up.tv_sec + up.tv_usec / 1000000.0) : mkf_u32(FN_DURATION, up.tv_sec);
4388 info[INF_START_TIME_SEC] = (flags & STAT_USE_FLOAT) ? mkf_flt(FN_DURATION, start_date.tv_sec + start_date.tv_usec / 1000000.0) : mkf_u32(FN_DURATION, start_date.tv_sec);
4389 info[INF_MEMMAX_MB] = mkf_u32(FO_CONFIG|FN_LIMIT, global.rlimit_memmax);
4390 info[INF_MEMMAX_BYTES] = mkf_u32(FO_CONFIG|FN_LIMIT, global.rlimit_memmax * 1048576L);
4391 info[INF_POOL_ALLOC_MB] = mkf_u32(0, (unsigned)(pool_total_allocated() / 1048576L));
4392 info[INF_POOL_ALLOC_BYTES] = mkf_u32(0, pool_total_allocated());
4393 info[INF_POOL_USED_MB] = mkf_u32(0, (unsigned)(pool_total_used() / 1048576L));
4394 info[INF_POOL_USED_BYTES] = mkf_u32(0, pool_total_used());
4395 info[INF_POOL_FAILED] = mkf_u32(FN_COUNTER, pool_total_failures());
4396 info[INF_ULIMIT_N] = mkf_u32(FO_CONFIG|FN_LIMIT, global.rlimit_nofile);
4397 info[INF_MAXSOCK] = mkf_u32(FO_CONFIG|FN_LIMIT, global.maxsock);
4398 info[INF_MAXCONN] = mkf_u32(FO_CONFIG|FN_LIMIT, global.maxconn);
4399 info[INF_HARD_MAXCONN] = mkf_u32(FO_CONFIG|FN_LIMIT, global.hardmaxconn);
4400 info[INF_CURR_CONN] = mkf_u32(0, actconn);
4401 info[INF_CUM_CONN] = mkf_u32(FN_COUNTER, totalconn);
4402 info[INF_CUM_REQ] = mkf_u32(FN_COUNTER, global.req_count);
4403 #ifdef USE_OPENSSL
4404 info[INF_MAX_SSL_CONNS] = mkf_u32(FN_MAX, global.maxsslconn);
4405 info[INF_CURR_SSL_CONNS] = mkf_u32(0, sslconns);
4406 info[INF_CUM_SSL_CONNS] = mkf_u32(FN_COUNTER, totalsslconns);
4407 #endif
4408 info[INF_MAXPIPES] = mkf_u32(FO_CONFIG|FN_LIMIT, global.maxpipes);
4409 info[INF_PIPES_USED] = mkf_u32(0, pipes_used);
4410 info[INF_PIPES_FREE] = mkf_u32(0, pipes_free);
4411 info[INF_CONN_RATE] = (flags & STAT_USE_FLOAT) ? mkf_flt(FN_RATE, read_freq_ctr_flt(&global.conn_per_sec)) : mkf_u32(FN_RATE, read_freq_ctr(&global.conn_per_sec));
4412 info[INF_CONN_RATE_LIMIT] = mkf_u32(FO_CONFIG|FN_LIMIT, global.cps_lim);
4413 info[INF_MAX_CONN_RATE] = mkf_u32(FN_MAX, global.cps_max);
4414 info[INF_SESS_RATE] = (flags & STAT_USE_FLOAT) ? mkf_flt(FN_RATE, read_freq_ctr_flt(&global.sess_per_sec)) : mkf_u32(FN_RATE, read_freq_ctr(&global.sess_per_sec));
4415 info[INF_SESS_RATE_LIMIT] = mkf_u32(FO_CONFIG|FN_LIMIT, global.sps_lim);
4416 info[INF_MAX_SESS_RATE] = mkf_u32(FN_RATE, global.sps_max);
4417
4418 #ifdef USE_OPENSSL
4419 info[INF_SSL_RATE] = (flags & STAT_USE_FLOAT) ? mkf_flt(FN_RATE, ssl_sess_rate) : mkf_u32(FN_RATE, ssl_sess_rate);
4420 info[INF_SSL_RATE_LIMIT] = mkf_u32(FO_CONFIG|FN_LIMIT, global.ssl_lim);
4421 info[INF_MAX_SSL_RATE] = mkf_u32(FN_MAX, global.ssl_max);
4422 info[INF_SSL_FRONTEND_KEY_RATE] = (flags & STAT_USE_FLOAT) ? mkf_flt(FN_RATE, ssl_key_rate) : mkf_u32(0, ssl_key_rate);
4423 info[INF_SSL_FRONTEND_MAX_KEY_RATE] = mkf_u32(FN_MAX, global.ssl_fe_keys_max);
4424 info[INF_SSL_FRONTEND_SESSION_REUSE_PCT] = (flags & STAT_USE_FLOAT) ? mkf_flt(FN_RATE, ssl_reuse) : mkf_u32(0, ssl_reuse);
4425 info[INF_SSL_BACKEND_KEY_RATE] = (flags & STAT_USE_FLOAT) ? mkf_flt(FN_RATE, read_freq_ctr_flt(&global.ssl_be_keys_per_sec)) : mkf_u32(FN_RATE, read_freq_ctr(&global.ssl_be_keys_per_sec));
4426 info[INF_SSL_BACKEND_MAX_KEY_RATE] = mkf_u32(FN_MAX, global.ssl_be_keys_max);
4427 info[INF_SSL_CACHE_LOOKUPS] = mkf_u32(FN_COUNTER, global.shctx_lookups);
4428 info[INF_SSL_CACHE_MISSES] = mkf_u32(FN_COUNTER, global.shctx_misses);
4429 #endif
4430 info[INF_COMPRESS_BPS_IN] = (flags & STAT_USE_FLOAT) ? mkf_flt(FN_RATE, read_freq_ctr_flt(&global.comp_bps_in)) : mkf_u32(FN_RATE, read_freq_ctr(&global.comp_bps_in));
4431 info[INF_COMPRESS_BPS_OUT] = (flags & STAT_USE_FLOAT) ? mkf_flt(FN_RATE, read_freq_ctr_flt(&global.comp_bps_out)) : mkf_u32(FN_RATE, read_freq_ctr(&global.comp_bps_out));
4432 info[INF_COMPRESS_BPS_RATE_LIM] = mkf_u32(FO_CONFIG|FN_LIMIT, global.comp_rate_lim);
4433 #ifdef USE_ZLIB
4434 info[INF_ZLIB_MEM_USAGE] = mkf_u32(0, zlib_used_memory);
4435 info[INF_MAX_ZLIB_MEM_USAGE] = mkf_u32(FO_CONFIG|FN_LIMIT, global.maxzlibmem);
4436 #endif
4437 info[INF_TASKS] = mkf_u32(0, total_allocated_tasks());
4438 info[INF_RUN_QUEUE] = mkf_u32(0, total_run_queues());
4439 info[INF_IDLE_PCT] = mkf_u32(FN_AVG, report_idle());
4440 info[INF_NODE] = mkf_str(FO_CONFIG|FN_OUTPUT|FS_SERVICE, global.node);
4441 if (global.desc)
4442 info[INF_DESCRIPTION] = mkf_str(FO_CONFIG|FN_OUTPUT|FS_SERVICE, global.desc);
4443 info[INF_STOPPING] = mkf_u32(0, stopping);
4444 info[INF_JOBS] = mkf_u32(0, jobs);
4445 info[INF_UNSTOPPABLE_JOBS] = mkf_u32(0, unstoppable_jobs);
4446 info[INF_LISTENERS] = mkf_u32(0, listeners);
4447 info[INF_ACTIVE_PEERS] = mkf_u32(0, active_peers);
4448 info[INF_CONNECTED_PEERS] = mkf_u32(0, connected_peers);
4449 info[INF_DROPPED_LOGS] = mkf_u32(0, dropped_logs);
4450 info[INF_BUSY_POLLING] = mkf_u32(0, !!(global.tune.options & GTUNE_BUSY_POLLING));
4451 info[INF_FAILED_RESOLUTIONS] = mkf_u32(0, resolv_failed_resolutions);
4452 info[INF_TOTAL_BYTES_OUT] = mkf_u64(0, global.out_bytes);
4453 info[INF_TOTAL_SPLICED_BYTES_OUT] = mkf_u64(0, global.spliced_out_bytes);
4454 info[INF_BYTES_OUT_RATE] = mkf_u64(FN_RATE, (unsigned long long)read_freq_ctr(&global.out_32bps) * 32);
4455 info[INF_DEBUG_COMMANDS_ISSUED] = mkf_u32(0, debug_commands_issued);
4456 info[INF_CUM_LOG_MSGS] = mkf_u32(FN_COUNTER, cum_log_messages);
4457
4458 info[INF_TAINTED] = mkf_str(FO_STATUS, chunk_newstr(out));
4459 chunk_appendf(out, "%#x", get_tainted());
4460
4461 return 1;
4462 }
4463
4464 /* This function dumps information onto the stream interface's read buffer.
4465 * It returns 0 as long as it does not complete, non-zero upon completion.
4466 * No state is used.
4467 */
stats_dump_info_to_buffer(struct stream_interface * si)4468 static int stats_dump_info_to_buffer(struct stream_interface *si)
4469 {
4470 struct appctx *appctx = __objt_appctx(si->end);
4471
4472 if (!stats_fill_info(info, INF_TOTAL_FIELDS, appctx->ctx.stats.flags))
4473 return 0;
4474
4475 chunk_reset(&trash);
4476
4477 if (appctx->ctx.stats.flags & STAT_FMT_TYPED)
4478 stats_dump_typed_info_fields(&trash, info, appctx->ctx.stats.flags);
4479 else if (appctx->ctx.stats.flags & STAT_FMT_JSON)
4480 stats_dump_json_info_fields(&trash, info, appctx->ctx.stats.flags);
4481 else
4482 stats_dump_info_fields(&trash, info, appctx->ctx.stats.flags);
4483
4484 if (ci_putchk(si_ic(si), &trash) == -1) {
4485 si_rx_room_blk(si);
4486 return 0;
4487 }
4488
4489 return 1;
4490 }
4491
4492 /* This function dumps the schema onto the stream interface's read buffer.
4493 * It returns 0 as long as it does not complete, non-zero upon completion.
4494 * No state is used.
4495 *
4496 * Integer values bounded to the range [-(2**53)+1, (2**53)-1] as
4497 * per the recommendation for interoperable integers in section 6 of RFC 7159.
4498 */
stats_dump_json_schema(struct buffer * out)4499 static void stats_dump_json_schema(struct buffer *out)
4500 {
4501
4502 int old_len = out->data;
4503
4504 chunk_strcat(out,
4505 "{"
4506 "\"$schema\":\"http://json-schema.org/draft-04/schema#\","
4507 "\"oneOf\":["
4508 "{"
4509 "\"title\":\"Info\","
4510 "\"type\":\"array\","
4511 "\"items\":{"
4512 "\"title\":\"InfoItem\","
4513 "\"type\":\"object\","
4514 "\"properties\":{"
4515 "\"field\":{\"$ref\":\"#/definitions/field\"},"
4516 "\"processNum\":{\"$ref\":\"#/definitions/processNum\"},"
4517 "\"tags\":{\"$ref\":\"#/definitions/tags\"},"
4518 "\"value\":{\"$ref\":\"#/definitions/typedValue\"}"
4519 "},"
4520 "\"required\":[\"field\",\"processNum\",\"tags\","
4521 "\"value\"]"
4522 "}"
4523 "},"
4524 "{"
4525 "\"title\":\"Stat\","
4526 "\"type\":\"array\","
4527 "\"items\":{"
4528 "\"title\":\"InfoItem\","
4529 "\"type\":\"object\","
4530 "\"properties\":{"
4531 "\"objType\":{"
4532 "\"enum\":[\"Frontend\",\"Backend\",\"Listener\","
4533 "\"Server\",\"Unknown\"]"
4534 "},"
4535 "\"proxyId\":{"
4536 "\"type\":\"integer\","
4537 "\"minimum\":0"
4538 "},"
4539 "\"id\":{"
4540 "\"type\":\"integer\","
4541 "\"minimum\":0"
4542 "},"
4543 "\"field\":{\"$ref\":\"#/definitions/field\"},"
4544 "\"processNum\":{\"$ref\":\"#/definitions/processNum\"},"
4545 "\"tags\":{\"$ref\":\"#/definitions/tags\"},"
4546 "\"typedValue\":{\"$ref\":\"#/definitions/typedValue\"}"
4547 "},"
4548 "\"required\":[\"objType\",\"proxyId\",\"id\","
4549 "\"field\",\"processNum\",\"tags\","
4550 "\"value\"]"
4551 "}"
4552 "},"
4553 "{"
4554 "\"title\":\"Error\","
4555 "\"type\":\"object\","
4556 "\"properties\":{"
4557 "\"errorStr\":{"
4558 "\"type\":\"string\""
4559 "}"
4560 "},"
4561 "\"required\":[\"errorStr\"]"
4562 "}"
4563 "],"
4564 "\"definitions\":{"
4565 "\"field\":{"
4566 "\"type\":\"object\","
4567 "\"pos\":{"
4568 "\"type\":\"integer\","
4569 "\"minimum\":0"
4570 "},"
4571 "\"name\":{"
4572 "\"type\":\"string\""
4573 "},"
4574 "\"required\":[\"pos\",\"name\"]"
4575 "},"
4576 "\"processNum\":{"
4577 "\"type\":\"integer\","
4578 "\"minimum\":1"
4579 "},"
4580 "\"tags\":{"
4581 "\"type\":\"object\","
4582 "\"origin\":{"
4583 "\"type\":\"string\","
4584 "\"enum\":[\"Metric\",\"Status\",\"Key\","
4585 "\"Config\",\"Product\",\"Unknown\"]"
4586 "},"
4587 "\"nature\":{"
4588 "\"type\":\"string\","
4589 "\"enum\":[\"Gauge\",\"Limit\",\"Min\",\"Max\","
4590 "\"Rate\",\"Counter\",\"Duration\","
4591 "\"Age\",\"Time\",\"Name\",\"Output\","
4592 "\"Avg\", \"Unknown\"]"
4593 "},"
4594 "\"scope\":{"
4595 "\"type\":\"string\","
4596 "\"enum\":[\"Cluster\",\"Process\",\"Service\","
4597 "\"System\",\"Unknown\"]"
4598 "},"
4599 "\"required\":[\"origin\",\"nature\",\"scope\"]"
4600 "},"
4601 "\"typedValue\":{"
4602 "\"type\":\"object\","
4603 "\"oneOf\":["
4604 "{\"$ref\":\"#/definitions/typedValue/definitions/s32Value\"},"
4605 "{\"$ref\":\"#/definitions/typedValue/definitions/s64Value\"},"
4606 "{\"$ref\":\"#/definitions/typedValue/definitions/u32Value\"},"
4607 "{\"$ref\":\"#/definitions/typedValue/definitions/u64Value\"},"
4608 "{\"$ref\":\"#/definitions/typedValue/definitions/strValue\"}"
4609 "],"
4610 "\"definitions\":{"
4611 "\"s32Value\":{"
4612 "\"properties\":{"
4613 "\"type\":{"
4614 "\"type\":\"string\","
4615 "\"enum\":[\"s32\"]"
4616 "},"
4617 "\"value\":{"
4618 "\"type\":\"integer\","
4619 "\"minimum\":-2147483648,"
4620 "\"maximum\":2147483647"
4621 "}"
4622 "},"
4623 "\"required\":[\"type\",\"value\"]"
4624 "},"
4625 "\"s64Value\":{"
4626 "\"properties\":{"
4627 "\"type\":{"
4628 "\"type\":\"string\","
4629 "\"enum\":[\"s64\"]"
4630 "},"
4631 "\"value\":{"
4632 "\"type\":\"integer\","
4633 "\"minimum\":-9007199254740991,"
4634 "\"maximum\":9007199254740991"
4635 "}"
4636 "},"
4637 "\"required\":[\"type\",\"value\"]"
4638 "},"
4639 "\"u32Value\":{"
4640 "\"properties\":{"
4641 "\"type\":{"
4642 "\"type\":\"string\","
4643 "\"enum\":[\"u32\"]"
4644 "},"
4645 "\"value\":{"
4646 "\"type\":\"integer\","
4647 "\"minimum\":0,"
4648 "\"maximum\":4294967295"
4649 "}"
4650 "},"
4651 "\"required\":[\"type\",\"value\"]"
4652 "},"
4653 "\"u64Value\":{"
4654 "\"properties\":{"
4655 "\"type\":{"
4656 "\"type\":\"string\","
4657 "\"enum\":[\"u64\"]"
4658 "},"
4659 "\"value\":{"
4660 "\"type\":\"integer\","
4661 "\"minimum\":0,"
4662 "\"maximum\":9007199254740991"
4663 "}"
4664 "},"
4665 "\"required\":[\"type\",\"value\"]"
4666 "},"
4667 "\"strValue\":{"
4668 "\"properties\":{"
4669 "\"type\":{"
4670 "\"type\":\"string\","
4671 "\"enum\":[\"str\"]"
4672 "},"
4673 "\"value\":{\"type\":\"string\"}"
4674 "},"
4675 "\"required\":[\"type\",\"value\"]"
4676 "},"
4677 "\"unknownValue\":{"
4678 "\"properties\":{"
4679 "\"type\":{"
4680 "\"type\":\"integer\","
4681 "\"minimum\":0"
4682 "},"
4683 "\"value\":{"
4684 "\"type\":\"string\","
4685 "\"enum\":[\"unknown\"]"
4686 "}"
4687 "},"
4688 "\"required\":[\"type\",\"value\"]"
4689 "}"
4690 "}"
4691 "}"
4692 "}"
4693 "}");
4694
4695 if (old_len == out->data) {
4696 chunk_reset(out);
4697 chunk_appendf(out,
4698 "{\"errorStr\":\"output buffer too short\"}");
4699 }
4700 }
4701
4702 /* This function dumps the schema onto the stream interface's read buffer.
4703 * It returns 0 as long as it does not complete, non-zero upon completion.
4704 * No state is used.
4705 */
stats_dump_json_schema_to_buffer(struct stream_interface * si)4706 static int stats_dump_json_schema_to_buffer(struct stream_interface *si)
4707 {
4708 chunk_reset(&trash);
4709
4710 stats_dump_json_schema(&trash);
4711
4712 if (ci_putchk(si_ic(si), &trash) == -1) {
4713 si_rx_room_blk(si);
4714 return 0;
4715 }
4716
4717 return 1;
4718 }
4719
cli_parse_clear_counters(char ** args,char * payload,struct appctx * appctx,void * private)4720 static int cli_parse_clear_counters(char **args, char *payload, struct appctx *appctx, void *private)
4721 {
4722 struct proxy *px;
4723 struct server *sv;
4724 struct listener *li;
4725 struct stats_module *mod;
4726 int clrall = 0;
4727
4728 if (strcmp(args[2], "all") == 0)
4729 clrall = 1;
4730
4731 /* check permissions */
4732 if (!cli_has_level(appctx, ACCESS_LVL_OPER) ||
4733 (clrall && !cli_has_level(appctx, ACCESS_LVL_ADMIN)))
4734 return 1;
4735
4736 for (px = proxies_list; px; px = px->next) {
4737 if (clrall) {
4738 memset(&px->be_counters, 0, sizeof(px->be_counters));
4739 memset(&px->fe_counters, 0, sizeof(px->fe_counters));
4740 }
4741 else {
4742 px->be_counters.conn_max = 0;
4743 px->be_counters.p.http.rps_max = 0;
4744 px->be_counters.sps_max = 0;
4745 px->be_counters.cps_max = 0;
4746 px->be_counters.nbpend_max = 0;
4747 px->be_counters.qtime_max = 0;
4748 px->be_counters.ctime_max = 0;
4749 px->be_counters.dtime_max = 0;
4750 px->be_counters.ttime_max = 0;
4751
4752 px->fe_counters.conn_max = 0;
4753 px->fe_counters.p.http.rps_max = 0;
4754 px->fe_counters.sps_max = 0;
4755 px->fe_counters.cps_max = 0;
4756 }
4757
4758 for (sv = px->srv; sv; sv = sv->next)
4759 if (clrall)
4760 memset(&sv->counters, 0, sizeof(sv->counters));
4761 else {
4762 sv->counters.cur_sess_max = 0;
4763 sv->counters.nbpend_max = 0;
4764 sv->counters.sps_max = 0;
4765 sv->counters.qtime_max = 0;
4766 sv->counters.ctime_max = 0;
4767 sv->counters.dtime_max = 0;
4768 sv->counters.ttime_max = 0;
4769 }
4770
4771 list_for_each_entry(li, &px->conf.listeners, by_fe)
4772 if (li->counters) {
4773 if (clrall)
4774 memset(li->counters, 0, sizeof(*li->counters));
4775 else
4776 li->counters->conn_max = 0;
4777 }
4778 }
4779
4780 global.cps_max = 0;
4781 global.sps_max = 0;
4782 global.ssl_max = 0;
4783 global.ssl_fe_keys_max = 0;
4784 global.ssl_be_keys_max = 0;
4785
4786 list_for_each_entry(mod, &stats_module_list[STATS_DOMAIN_PROXY], list) {
4787 if (!mod->clearable && !clrall)
4788 continue;
4789
4790 for (px = proxies_list; px; px = px->next) {
4791 enum stats_domain_px_cap mod_cap = stats_px_get_cap(mod->domain_flags);
4792
4793 if (px->cap & PR_CAP_FE && mod_cap & STATS_PX_CAP_FE) {
4794 EXTRA_COUNTERS_INIT(px->extra_counters_fe,
4795 mod,
4796 mod->counters,
4797 mod->counters_size);
4798 }
4799
4800 if (px->cap & PR_CAP_BE && mod_cap & STATS_PX_CAP_BE) {
4801 EXTRA_COUNTERS_INIT(px->extra_counters_be,
4802 mod,
4803 mod->counters,
4804 mod->counters_size);
4805 }
4806
4807 if (mod_cap & STATS_PX_CAP_SRV) {
4808 for (sv = px->srv; sv; sv = sv->next) {
4809 EXTRA_COUNTERS_INIT(sv->extra_counters,
4810 mod,
4811 mod->counters,
4812 mod->counters_size);
4813 }
4814 }
4815
4816 if (mod_cap & STATS_PX_CAP_LI) {
4817 list_for_each_entry(li, &px->conf.listeners, by_fe) {
4818 EXTRA_COUNTERS_INIT(li->extra_counters,
4819 mod,
4820 mod->counters,
4821 mod->counters_size);
4822 }
4823 }
4824 }
4825 }
4826
4827 resolv_stats_clear_counters(clrall, &stats_module_list[STATS_DOMAIN_DNS]);
4828
4829 memset(activity, 0, sizeof(activity));
4830 return 1;
4831 }
4832
4833
cli_parse_show_info(char ** args,char * payload,struct appctx * appctx,void * private)4834 static int cli_parse_show_info(char **args, char *payload, struct appctx *appctx, void *private)
4835 {
4836 int arg = 2;
4837
4838 appctx->ctx.stats.scope_str = 0;
4839 appctx->ctx.stats.scope_len = 0;
4840 appctx->ctx.stats.flags = 0;
4841
4842 while (*args[arg]) {
4843 if (strcmp(args[arg], "typed") == 0)
4844 appctx->ctx.stats.flags = (appctx->ctx.stats.flags & ~STAT_FMT_MASK) | STAT_FMT_TYPED;
4845 else if (strcmp(args[arg], "json") == 0)
4846 appctx->ctx.stats.flags = (appctx->ctx.stats.flags & ~STAT_FMT_MASK) | STAT_FMT_JSON;
4847 else if (strcmp(args[arg], "desc") == 0)
4848 appctx->ctx.stats.flags |= STAT_SHOW_FDESC;
4849 else if (strcmp(args[arg], "float") == 0)
4850 appctx->ctx.stats.flags |= STAT_USE_FLOAT;
4851 arg++;
4852 }
4853 return 0;
4854 }
4855
4856
cli_parse_show_stat(char ** args,char * payload,struct appctx * appctx,void * private)4857 static int cli_parse_show_stat(char **args, char *payload, struct appctx *appctx, void *private)
4858 {
4859 int arg = 2;
4860
4861 appctx->ctx.stats.scope_str = 0;
4862 appctx->ctx.stats.scope_len = 0;
4863 appctx->ctx.stats.flags = STAT_SHNODE | STAT_SHDESC;
4864
4865 if ((strm_li(si_strm(appctx->owner))->bind_conf->level & ACCESS_LVL_MASK) >= ACCESS_LVL_OPER)
4866 appctx->ctx.stats.flags |= STAT_SHLGNDS;
4867
4868 /* proxy is the default domain */
4869 appctx->ctx.stats.domain = STATS_DOMAIN_PROXY;
4870 if (strcmp(args[arg], "domain") == 0) {
4871 ++args;
4872
4873 if (strcmp(args[arg], "proxy") == 0) {
4874 ++args;
4875 } else if (strcmp(args[arg], "dns") == 0) {
4876 appctx->ctx.stats.domain = STATS_DOMAIN_DNS;
4877 ++args;
4878 } else {
4879 return cli_err(appctx, "Invalid statistics domain.\n");
4880 }
4881 }
4882
4883 if (appctx->ctx.stats.domain == STATS_DOMAIN_PROXY
4884 && *args[arg] && *args[arg+1] && *args[arg+2]) {
4885 struct proxy *px;
4886
4887 px = proxy_find_by_name(args[arg], 0, 0);
4888 if (px)
4889 appctx->ctx.stats.iid = px->uuid;
4890 else
4891 appctx->ctx.stats.iid = atoi(args[arg]);
4892
4893 if (!appctx->ctx.stats.iid)
4894 return cli_err(appctx, "No such proxy.\n");
4895
4896 appctx->ctx.stats.flags |= STAT_BOUND;
4897 appctx->ctx.stats.type = atoi(args[arg+1]);
4898 appctx->ctx.stats.sid = atoi(args[arg+2]);
4899 arg += 3;
4900 }
4901
4902 while (*args[arg]) {
4903 if (strcmp(args[arg], "typed") == 0)
4904 appctx->ctx.stats.flags = (appctx->ctx.stats.flags & ~STAT_FMT_MASK) | STAT_FMT_TYPED;
4905 else if (strcmp(args[arg], "json") == 0)
4906 appctx->ctx.stats.flags = (appctx->ctx.stats.flags & ~STAT_FMT_MASK) | STAT_FMT_JSON;
4907 else if (strcmp(args[arg], "desc") == 0)
4908 appctx->ctx.stats.flags |= STAT_SHOW_FDESC;
4909 else if (strcmp(args[arg], "no-maint") == 0)
4910 appctx->ctx.stats.flags |= STAT_HIDE_MAINT;
4911 else if (strcmp(args[arg], "up") == 0)
4912 appctx->ctx.stats.flags |= STAT_HIDE_DOWN;
4913 arg++;
4914 }
4915
4916 return 0;
4917 }
4918
cli_io_handler_dump_info(struct appctx * appctx)4919 static int cli_io_handler_dump_info(struct appctx *appctx)
4920 {
4921 return stats_dump_info_to_buffer(appctx->owner);
4922 }
4923
4924 /* This I/O handler runs as an applet embedded in a stream interface. It is
4925 * used to send raw stats over a socket.
4926 */
cli_io_handler_dump_stat(struct appctx * appctx)4927 static int cli_io_handler_dump_stat(struct appctx *appctx)
4928 {
4929 return stats_dump_stat_to_buffer(appctx->owner, NULL, NULL);
4930 }
4931
cli_io_handler_dump_json_schema(struct appctx * appctx)4932 static int cli_io_handler_dump_json_schema(struct appctx *appctx)
4933 {
4934 return stats_dump_json_schema_to_buffer(appctx->owner);
4935 }
4936
stats_allocate_proxy_counters_internal(struct extra_counters ** counters,int type,int px_cap)4937 int stats_allocate_proxy_counters_internal(struct extra_counters **counters,
4938 int type, int px_cap)
4939 {
4940 struct stats_module *mod;
4941
4942 EXTRA_COUNTERS_REGISTER(counters, type, alloc_failed);
4943
4944 list_for_each_entry(mod, &stats_module_list[STATS_DOMAIN_PROXY], list) {
4945 if (!(stats_px_get_cap(mod->domain_flags) & px_cap))
4946 continue;
4947
4948 EXTRA_COUNTERS_ADD(mod, *counters, mod->counters, mod->counters_size);
4949 }
4950
4951 EXTRA_COUNTERS_ALLOC(*counters, alloc_failed);
4952
4953 list_for_each_entry(mod, &stats_module_list[STATS_DOMAIN_PROXY], list) {
4954 if (!(stats_px_get_cap(mod->domain_flags) & px_cap))
4955 continue;
4956
4957 EXTRA_COUNTERS_INIT(*counters, mod, mod->counters, mod->counters_size);
4958 }
4959
4960 return 1;
4961
4962 alloc_failed:
4963 return 0;
4964 }
4965
4966 /* Initialize and allocate all extra counters for a proxy and its attached
4967 * servers/listeners with all already registered stats module
4968 */
stats_allocate_proxy_counters(struct proxy * px)4969 int stats_allocate_proxy_counters(struct proxy *px)
4970 {
4971 struct server *sv;
4972 struct listener *li;
4973
4974 if (px->cap & PR_CAP_FE) {
4975 if (!stats_allocate_proxy_counters_internal(&px->extra_counters_fe,
4976 COUNTERS_FE,
4977 STATS_PX_CAP_FE)) {
4978 return 0;
4979 }
4980 }
4981
4982 if (px->cap & PR_CAP_BE) {
4983 if (!stats_allocate_proxy_counters_internal(&px->extra_counters_be,
4984 COUNTERS_BE,
4985 STATS_PX_CAP_BE)) {
4986 return 0;
4987 }
4988 }
4989
4990 for (sv = px->srv; sv; sv = sv->next) {
4991 if (!stats_allocate_proxy_counters_internal(&sv->extra_counters,
4992 COUNTERS_SV,
4993 STATS_PX_CAP_SRV)) {
4994 return 0;
4995 }
4996 }
4997
4998 list_for_each_entry(li, &px->conf.listeners, by_fe) {
4999 if (!stats_allocate_proxy_counters_internal(&li->extra_counters,
5000 COUNTERS_LI,
5001 STATS_PX_CAP_LI)) {
5002 return 0;
5003 }
5004 }
5005
5006 return 1;
5007 }
5008
stats_register_module(struct stats_module * m)5009 void stats_register_module(struct stats_module *m)
5010 {
5011 const uint8_t domain = stats_get_domain(m->domain_flags);
5012
5013 LIST_APPEND(&stats_module_list[domain], &m->list);
5014 stat_count[domain] += m->stats_count;
5015 }
5016
allocate_stats_px_postcheck(void)5017 static int allocate_stats_px_postcheck(void)
5018 {
5019 struct stats_module *mod;
5020 size_t i = ST_F_TOTAL_FIELDS;
5021 int err_code = 0;
5022 struct proxy *px;
5023
5024 stat_count[STATS_DOMAIN_PROXY] += ST_F_TOTAL_FIELDS;
5025
5026 stat_f[STATS_DOMAIN_PROXY] = malloc(stat_count[STATS_DOMAIN_PROXY] * sizeof(struct name_desc));
5027 if (!stat_f[STATS_DOMAIN_PROXY]) {
5028 ha_alert("stats: cannot allocate all fields for proxy statistics\n");
5029 err_code |= ERR_ALERT | ERR_FATAL;
5030 return err_code;
5031 }
5032
5033 memcpy(stat_f[STATS_DOMAIN_PROXY], stat_fields,
5034 ST_F_TOTAL_FIELDS * sizeof(struct name_desc));
5035
5036 list_for_each_entry(mod, &stats_module_list[STATS_DOMAIN_PROXY], list) {
5037 memcpy(stat_f[STATS_DOMAIN_PROXY] + i,
5038 mod->stats,
5039 mod->stats_count * sizeof(struct name_desc));
5040 i += mod->stats_count;
5041 }
5042
5043 for (px = proxies_list; px; px = px->next) {
5044 if (!stats_allocate_proxy_counters(px)) {
5045 ha_alert("stats: cannot allocate all counters for proxy statistics\n");
5046 err_code |= ERR_ALERT | ERR_FATAL;
5047 return err_code;
5048 }
5049 }
5050
5051 /* wait per-thread alloc to perform corresponding stat_l allocation */
5052
5053 return err_code;
5054 }
5055
5056 REGISTER_CONFIG_POSTPARSER("allocate-stats-px", allocate_stats_px_postcheck);
5057
allocate_stats_dns_postcheck(void)5058 static int allocate_stats_dns_postcheck(void)
5059 {
5060 struct stats_module *mod;
5061 size_t i = 0;
5062 int err_code = 0;
5063
5064 stat_f[STATS_DOMAIN_DNS] = malloc(stat_count[STATS_DOMAIN_DNS] * sizeof(struct name_desc));
5065 if (!stat_f[STATS_DOMAIN_DNS]) {
5066 ha_alert("stats: cannot allocate all fields for dns statistics\n");
5067 err_code |= ERR_ALERT | ERR_FATAL;
5068 return err_code;
5069 }
5070
5071 list_for_each_entry(mod, &stats_module_list[STATS_DOMAIN_DNS], list) {
5072 memcpy(stat_f[STATS_DOMAIN_DNS] + i,
5073 mod->stats,
5074 mod->stats_count * sizeof(struct name_desc));
5075 i += mod->stats_count;
5076 }
5077
5078 if (!resolv_allocate_counters(&stats_module_list[STATS_DOMAIN_DNS])) {
5079 ha_alert("stats: cannot allocate all counters for dns statistics\n");
5080 err_code |= ERR_ALERT | ERR_FATAL;
5081 return err_code;
5082 }
5083
5084 /* wait per-thread alloc to perform corresponding stat_l allocation */
5085
5086 return err_code;
5087 }
5088
5089 REGISTER_CONFIG_POSTPARSER("allocate-stats-dns", allocate_stats_dns_postcheck);
5090
allocate_stat_lines_per_thread(void)5091 static int allocate_stat_lines_per_thread(void)
5092 {
5093 int domains[] = { STATS_DOMAIN_PROXY, STATS_DOMAIN_DNS }, i;
5094
5095 for (i = 0; i < STATS_DOMAIN_COUNT; ++i) {
5096 const int domain = domains[i];
5097
5098 stat_l[domain] = malloc(stat_count[domain] * sizeof(struct field));
5099 if (!stat_l[domain])
5100 return 0;
5101 }
5102 return 1;
5103 }
5104
5105 REGISTER_PER_THREAD_ALLOC(allocate_stat_lines_per_thread);
5106
allocate_trash_counters(void)5107 static int allocate_trash_counters(void)
5108 {
5109 struct stats_module *mod;
5110 int domains[] = { STATS_DOMAIN_PROXY, STATS_DOMAIN_DNS }, i;
5111 size_t max_counters_size = 0;
5112
5113 /* calculate the greatest counters used by any stats modules */
5114 for (i = 0; i < STATS_DOMAIN_COUNT; ++i) {
5115 list_for_each_entry(mod, &stats_module_list[domains[i]], list) {
5116 max_counters_size = mod->counters_size > max_counters_size ?
5117 mod->counters_size : max_counters_size;
5118 }
5119 }
5120
5121 /* allocate the trash with the size of the greatest counters */
5122 if (max_counters_size) {
5123 trash_counters = malloc(max_counters_size);
5124 if (!trash_counters) {
5125 ha_alert("stats: cannot allocate trash counters for statistics\n");
5126 return 0;
5127 }
5128 }
5129
5130 return 1;
5131 }
5132
5133 REGISTER_PER_THREAD_ALLOC(allocate_trash_counters);
5134
deinit_stat_lines_per_thread(void)5135 static void deinit_stat_lines_per_thread(void)
5136 {
5137 int domains[] = { STATS_DOMAIN_PROXY, STATS_DOMAIN_DNS }, i;
5138
5139 for (i = 0; i < STATS_DOMAIN_COUNT; ++i) {
5140 const int domain = domains[i];
5141
5142 ha_free(&stat_l[domain]);
5143 }
5144 }
5145
5146
5147 REGISTER_PER_THREAD_FREE(deinit_stat_lines_per_thread);
5148
deinit_stats(void)5149 static void deinit_stats(void)
5150 {
5151 int domains[] = { STATS_DOMAIN_PROXY, STATS_DOMAIN_DNS }, i;
5152
5153 for (i = 0; i < STATS_DOMAIN_COUNT; ++i) {
5154 const int domain = domains[i];
5155
5156 if (stat_f[domain])
5157 free(stat_f[domain]);
5158 }
5159 }
5160
5161 REGISTER_POST_DEINIT(deinit_stats);
5162
free_trash_counters(void)5163 static void free_trash_counters(void)
5164 {
5165 if (trash_counters)
5166 free(trash_counters);
5167 }
5168
5169 REGISTER_PER_THREAD_FREE(free_trash_counters);
5170
5171 /* register cli keywords */
5172 static struct cli_kw_list cli_kws = {{ },{
5173 { { "clear", "counters", NULL }, "clear counters [all] : clear max statistics counters (or all counters)", cli_parse_clear_counters, NULL, NULL },
5174 { { "show", "info", NULL }, "show info [desc|json|typed|float]* : report information about the running process", cli_parse_show_info, cli_io_handler_dump_info, NULL },
5175 { { "show", "stat", NULL }, "show stat [desc|json|no-maint|typed|up]*: report counters for each proxy and server", cli_parse_show_stat, cli_io_handler_dump_stat, NULL },
5176 { { "show", "schema", "json", NULL }, "show schema json : report schema used for stats", NULL, cli_io_handler_dump_json_schema, NULL },
5177 {{},}
5178 }};
5179
5180 INITCALL1(STG_REGISTER, cli_register_kw, &cli_kws);
5181
5182 struct applet http_stats_applet = {
5183 .obj_type = OBJ_TYPE_APPLET,
5184 .name = "<STATS>", /* used for logging */
5185 .fct = http_stats_io_handler,
5186 .release = NULL,
5187 };
5188
5189 /*
5190 * Local variables:
5191 * c-indent-level: 8
5192 * c-basic-offset: 8
5193 * End:
5194 */
5195