1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
|
/*
This file is part of TALER
Copyright (C) 2014--2021 Taler Systems SA
TALER is free software; you can redistribute it and/or modify it under the
terms of the GNU Affero General Public License as published by the Free Software
Foundation; either version 3, or (at your option) any later version.
TALER is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE. See the GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License along with
TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
*/
/**
* @file taler-exchange-httpd_metrics.h
* @brief Handle /metrics requests
* @author Christian Grothoff
*/
#ifndef TALER_EXCHANGE_HTTPD_METRICS_H
#define TALER_EXCHANGE_HTTPD_METRICS_H
#include <gnunet/gnunet_util_lib.h>
#include <microhttpd.h>
#include "taler-exchange-httpd.h"
/**
* Request types for which we collect metrics.
*/
enum TEH_MetricTypeRequest
{
TEH_MT_REQUEST_OTHER = 0,
TEH_MT_REQUEST_DEPOSIT = 1,
TEH_MT_REQUEST_WITHDRAW = 2,
TEH_MT_REQUEST_AGE_WITHDRAW = 3,
TEH_MT_REQUEST_MELT = 4,
TEH_MT_REQUEST_PURSE_CREATE = 5,
TEH_MT_REQUEST_PURSE_MERGE = 6,
TEH_MT_REQUEST_RESERVE_PURSE = 7,
TEH_MT_REQUEST_PURSE_DEPOSIT = 8,
TEH_MT_REQUEST_IDEMPOTENT_DEPOSIT = 9,
TEH_MT_REQUEST_IDEMPOTENT_WITHDRAW = 10,
TEH_MT_REQUEST_IDEMPOTENT_AGE_WITHDRAW = 11,
TEH_MT_REQUEST_IDEMPOTENT_MELT = 12,
TEH_MT_REQUEST_IDEMPOTENT_BATCH_WITHDRAW = 13,
TEH_MT_REQUEST_BATCH_DEPOSIT = 14,
TEH_MT_REQUEST_POLICY_FULFILLMENT = 15,
TEH_MT_REQUEST_COUNT = 16 /* MUST BE LAST! */
};
/**
* Success types for which we collect metrics.
*/
enum TEH_MetricTypeSuccess
{
TEH_MT_SUCCESS_DEPOSIT = 0,
TEH_MT_SUCCESS_WITHDRAW = 1,
TEH_MT_SUCCESS_AGE_WITHDRAW = 2,
TEH_MT_SUCCESS_BATCH_WITHDRAW = 3,
TEH_MT_SUCCESS_MELT = 4,
TEH_MT_SUCCESS_REFRESH_REVEAL = 5,
TEH_MT_SUCCESS_AGE_WITHDRAW_REVEAL = 6,
TEH_MT_SUCCESS_COUNT = 7 /* MUST BE LAST! */
};
/**
* Cipher types for which we collect signature metrics.
*/
enum TEH_MetricTypeSignature
{
TEH_MT_SIGNATURE_RSA = 0,
TEH_MT_SIGNATURE_CS = 1,
TEH_MT_SIGNATURE_EDDSA = 2,
TEH_MT_SIGNATURE_COUNT = 3
};
/**
* Cipher types for which we collect key exchange metrics.
*/
enum TEH_MetricTypeKeyX
{
TEH_MT_KEYX_ECDH = 0,
TEH_MT_KEYX_COUNT = 1
};
/**
* Number of requests handled of the respective type.
*/
extern unsigned long long TEH_METRICS_num_requests[TEH_MT_REQUEST_COUNT];
/**
* Number of successful requests handled of the respective type.
*/
extern unsigned long long TEH_METRICS_num_success[TEH_MT_SUCCESS_COUNT];
/**
* Number of coins withdrawn in a batch-withdraw request
*/
extern unsigned long long TEH_METRICS_batch_withdraw_num_coins;
/**
* Number of serialization errors encountered when
* handling requests of the respective type.
*/
extern unsigned long long TEH_METRICS_num_conflict[TEH_MT_REQUEST_COUNT];
/**
* Number of signatures created by the respective cipher.
*/
extern unsigned long long TEH_METRICS_num_signatures[TEH_MT_SIGNATURE_COUNT];
/**
* Number of signatures verified by the respective cipher.
*/
extern unsigned long long TEH_METRICS_num_verifications[TEH_MT_SIGNATURE_COUNT];
/**
* Number of key exchanges done with the respective cipher.
*/
extern unsigned long long TEH_METRICS_num_keyexchanges[TEH_MT_KEYX_COUNT];
/**
* Handle a "/metrics" request.
*
* @param rc request context
* @param args array of additional options (must be empty for this function)
* @return MHD result code
*/
MHD_RESULT
TEH_handler_metrics (struct TEH_RequestContext *rc,
const char *const args[]);
#endif
|
