1 /*
2 Unix SMB/CIFS implementation.
3
4 locking benchmark
5
6 Copyright (C) Andrew Tridgell 2006
7
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
12
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 */
22
23 #include "includes.h"
24 #include "torture/torture.h"
25 #include "libcli/raw/libcliraw.h"
26 #include "system/time.h"
27 #include "system/filesys.h"
28 #include "libcli/libcli.h"
29 #include "torture/util.h"
30 #include "lib/events/events.h"
31 #include "lib/cmdline/popt_common.h"
32
33 #define CHECK_STATUS(status, correct) do { \
34 if (!NT_STATUS_EQUAL(status, correct)) { \
35 printf("(%s) Incorrect status %s - should be %s\n", \
36 __location__, nt_errstr(status), nt_errstr(correct)); \
37 goto failed; \
38 }} while (0)
39
40 #define BASEDIR "\\benchlock"
41 #define FNAME BASEDIR "\\lock.dat"
42
43 static int nprocs;
44 static int lock_failed;
45
46 struct benchlock_state {
47 struct smbcli_state *cli;
48 int fnum;
49 int offset;
50 int count;
51 union smb_lock io;
52 struct smb_lock_entry lock[2];
53 struct smbcli_request *req;
54 };
55
56 static void lock_completion(struct smbcli_request *);
57
58 /*
59 send the next lock request
60 */
lock_send(struct benchlock_state * state)61 static void lock_send(struct benchlock_state *state)
62 {
63 state->io.lockx.in.file.fnum = state->fnum;
64 state->io.lockx.in.ulock_cnt = 1;
65 state->lock[0].pid = state->cli->session->pid;
66 state->lock[1].pid = state->cli->session->pid;
67 state->lock[0].offset = state->offset;
68 state->lock[1].offset = (state->offset+1)%nprocs;
69 state->req = smb_raw_lock_send(state->cli->tree, &state->io);
70 if (state->req == NULL) {
71 DEBUG(0,("Failed to setup lock\n"));
72 lock_failed++;
73 }
74 state->req->async.private = state;
75 state->req->async.fn = lock_completion;
76 state->offset = (state->offset+1)%nprocs;
77 }
78
79 /*
80 called when a lock completes
81 */
lock_completion(struct smbcli_request * req)82 static void lock_completion(struct smbcli_request *req)
83 {
84 struct benchlock_state *state = (struct benchlock_state *)req->async.private;
85 NTSTATUS status = smbcli_request_simple_recv(req);
86 if (!NT_STATUS_IS_OK(status)) {
87 lock_failed++;
88 DEBUG(0,("Lock failed - %s\n", nt_errstr(status)));
89 } else {
90 state->count++;
91 lock_send(state);
92 }
93 }
94
95 /*
96 benchmark locking calls
97 */
torture_bench_lock(struct torture_context * torture)98 BOOL torture_bench_lock(struct torture_context *torture)
99 {
100 BOOL ret = True;
101 TALLOC_CTX *mem_ctx = talloc_new(torture);
102 int i;
103 int timelimit = torture_setting_int(torture, "timelimit", 10);
104 struct timeval tv;
105 struct event_context *ev = event_context_find(mem_ctx);
106 struct benchlock_state *state;
107 int total = 0, loops=0;
108 NTSTATUS status;
109
110 nprocs = lp_parm_int(-1, "torture", "nprocs", 4);
111
112 state = talloc_zero_array(mem_ctx, struct benchlock_state, nprocs);
113
114 printf("Opening %d connections\n", nprocs);
115 for (i=0;i<nprocs;i++) {
116 if (!torture_open_connection_ev(&state[i].cli, i, ev)) {
117 return False;
118 }
119 talloc_steal(mem_ctx, state);
120 }
121
122 if (!torture_setup_dir(state[0].cli, BASEDIR)) {
123 goto failed;
124 }
125
126 for (i=0;i<nprocs;i++) {
127 state[i].fnum = smbcli_open(state[i].cli->tree,
128 FNAME,
129 O_RDWR|O_CREAT, DENY_NONE);
130 if (state[i].fnum == -1) {
131 printf("Failed to open %s on connection %d\n", FNAME, i);
132 goto failed;
133 }
134
135 state[i].io.lockx.level = RAW_LOCK_LOCKX;
136 state[i].io.lockx.in.mode = LOCKING_ANDX_LARGE_FILES;
137 state[i].io.lockx.in.timeout = 100000;
138 state[i].io.lockx.in.ulock_cnt = 0;
139 state[i].io.lockx.in.lock_cnt = 1;
140 state[i].lock[0].count = 1;
141 state[i].lock[1].count = 1;
142 state[i].io.lockx.in.locks = &state[i].lock[0];
143
144 state[i].offset = i;
145 state[i].io.lockx.in.file.fnum = state[i].fnum;
146 state[i].lock[0].offset = state[i].offset;
147 state[i].lock[0].pid = state[i].cli->session->pid;
148 status = smb_raw_lock(state[i].cli->tree, &state[i].io);
149 CHECK_STATUS(status, NT_STATUS_OK);
150 }
151
152 for (i=0;i<nprocs;i++) {
153 lock_send(&state[i]);
154 }
155
156 tv = timeval_current();
157
158 printf("Running for %d seconds\n", timelimit);
159 while (timeval_elapsed(&tv) < timelimit) {
160 event_loop_once(ev);
161
162 if (lock_failed) {
163 DEBUG(0,("locking failed\n"));
164 goto failed;
165 }
166
167 if (loops++ % 10 != 0) continue;
168
169 total = 0;
170 for (i=0;i<nprocs;i++) {
171 total += state[i].count;
172 }
173 printf("%.2f ops/second\r", total/timeval_elapsed(&tv));
174 fflush(stdout);
175 }
176
177 printf("%.2f ops/second\n", total/timeval_elapsed(&tv));
178
179 for (i=0;i<nprocs;i++) {
180 talloc_free(state[i].req);
181 smb_raw_exit(state[i].cli->session);
182 }
183
184 smbcli_deltree(state[0].cli->tree, BASEDIR);
185 talloc_free(mem_ctx);
186 return ret;
187
188 failed:
189 for (i=0;i<nprocs;i++) {
190 talloc_free(state[i].req);
191 smb_raw_exit(state[i].cli->session);
192 }
193 smbcli_deltree(state[0].cli->tree, BASEDIR);
194 talloc_free(mem_ctx);
195 return False;
196 }
197