1 /*
2  * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
3  *
4  * SPDX-License-Identifier: MPL-2.0
5  *
6  * This Source Code Form is subject to the terms of the Mozilla Public
7  * License, v. 2.0. If a copy of the MPL was not distributed with this
8  * file, you can obtain one at https://mozilla.org/MPL/2.0/.
9  *
10  * See the COPYRIGHT file distributed with this work for additional
11  * information regarding copyright ownership.
12  */
13 
14 #ifndef NS_STATS_H
15 #define NS_STATS_H 1
16 
17 /*! \file include/ns/stats.h */
18 
19 #include <ns/types.h>
20 
21 /*%
22  * Server statistics counters.  Used as isc_statscounter_t values.
23  */
24 enum {
25 	ns_statscounter_requestv4 = 0,
26 	ns_statscounter_requestv6 = 1,
27 	ns_statscounter_edns0in = 2,
28 	ns_statscounter_badednsver = 3,
29 	ns_statscounter_tsigin = 4,
30 	ns_statscounter_sig0in = 5,
31 	ns_statscounter_invalidsig = 6,
32 	ns_statscounter_requesttcp = 7,
33 
34 	ns_statscounter_authrej = 8,
35 	ns_statscounter_recurserej = 9,
36 	ns_statscounter_xfrrej = 10,
37 	ns_statscounter_updaterej = 11,
38 
39 	ns_statscounter_response = 12,
40 	ns_statscounter_truncatedresp = 13,
41 	ns_statscounter_edns0out = 14,
42 	ns_statscounter_tsigout = 15,
43 	ns_statscounter_sig0out = 16,
44 
45 	ns_statscounter_success = 17,
46 	ns_statscounter_authans = 18,
47 	ns_statscounter_nonauthans = 19,
48 	ns_statscounter_referral = 20,
49 	ns_statscounter_nxrrset = 21,
50 	ns_statscounter_servfail = 22,
51 	ns_statscounter_formerr = 23,
52 	ns_statscounter_nxdomain = 24,
53 	ns_statscounter_recursion = 25,
54 	ns_statscounter_duplicate = 26,
55 	ns_statscounter_dropped = 27,
56 	ns_statscounter_failure = 28,
57 
58 	ns_statscounter_xfrdone = 29,
59 
60 	ns_statscounter_updatereqfwd = 30,
61 	ns_statscounter_updaterespfwd = 31,
62 	ns_statscounter_updatefwdfail = 32,
63 	ns_statscounter_updatedone = 33,
64 	ns_statscounter_updatefail = 34,
65 	ns_statscounter_updatebadprereq = 35,
66 
67 	ns_statscounter_recursclients = 36,
68 
69 	ns_statscounter_dns64 = 37,
70 
71 	ns_statscounter_ratedropped = 38,
72 	ns_statscounter_rateslipped = 39,
73 
74 	ns_statscounter_rpz_rewrites = 40,
75 
76 	ns_statscounter_udp = 41,
77 	ns_statscounter_tcp = 42,
78 
79 	ns_statscounter_nsidopt = 43,
80 	ns_statscounter_expireopt = 44,
81 	ns_statscounter_otheropt = 45,
82 	ns_statscounter_ecsopt = 46,
83 	ns_statscounter_padopt = 47,
84 	ns_statscounter_keepaliveopt = 48,
85 
86 	ns_statscounter_nxdomainredirect = 49,
87 	ns_statscounter_nxdomainredirect_rlookup = 50,
88 
89 	ns_statscounter_cookiein = 51,
90 	ns_statscounter_cookiebadsize = 52,
91 	ns_statscounter_cookiebadtime = 53,
92 	ns_statscounter_cookienomatch = 54,
93 	ns_statscounter_cookiematch = 55,
94 	ns_statscounter_cookienew = 56,
95 	ns_statscounter_badcookie = 57,
96 
97 	ns_statscounter_nxdomainsynth = 58,
98 	ns_statscounter_nodatasynth = 59,
99 	ns_statscounter_wildcardsynth = 60,
100 
101 	ns_statscounter_trystale = 61,
102 	ns_statscounter_usedstale = 62,
103 
104 	ns_statscounter_prefetch = 63,
105 	ns_statscounter_keytagopt = 64,
106 
107 	ns_statscounter_tcphighwater = 65,
108 
109 	ns_statscounter_reclimitdropped = 66,
110 
111 	ns_statscounter_max = 67,
112 };
113 
114 void
115 ns_stats_attach(ns_stats_t *stats, ns_stats_t **statsp);
116 
117 void
118 ns_stats_detach(ns_stats_t **statsp);
119 
120 isc_result_t
121 ns_stats_create(isc_mem_t *mctx, int ncounters, ns_stats_t **statsp);
122 
123 void
124 ns_stats_increment(ns_stats_t *stats, isc_statscounter_t counter);
125 
126 void
127 ns_stats_decrement(ns_stats_t *stats, isc_statscounter_t counter);
128 
129 isc_stats_t *
130 ns_stats_get(ns_stats_t *stats);
131 
132 void
133 ns_stats_update_if_greater(ns_stats_t *stats, isc_statscounter_t counter,
134 			   isc_statscounter_t value);
135 
136 isc_statscounter_t
137 ns_stats_get_counter(ns_stats_t *stats, isc_statscounter_t counter);
138 
139 #endif /* NS_STATS_H */
140