136 lines
3.7 KiB
C
136 lines
3.7 KiB
C
/*
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This file is part of TALER
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Copyright (C) 2014--2021 Taler Systems SA
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TALER is free software; you can redistribute it and/or modify it under the
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terms of the GNU Affero General Public License as published by the Free Software
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Foundation; either version 3, or (at your option) any later version.
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TALER is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License along with
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TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
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*/
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/**
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* @file taler-exchange-httpd_metrics.h
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* @brief Handle /metrics requests
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* @author Christian Grothoff
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*/
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#ifndef TALER_EXCHANGE_HTTPD_METRICS_H
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#define TALER_EXCHANGE_HTTPD_METRICS_H
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#include <gnunet/gnunet_util_lib.h>
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#include <microhttpd.h>
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#include "taler-exchange-httpd.h"
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/**
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* Request types for which we collect metrics.
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*/
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enum TEH_MetricTypeRequest
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{
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TEH_MT_REQUEST_OTHER = 0,
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TEH_MT_REQUEST_DEPOSIT = 1,
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TEH_MT_REQUEST_WITHDRAW = 2,
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TEH_MT_REQUEST_AGE_WITHDRAW = 3,
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TEH_MT_REQUEST_MELT = 4,
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TEH_MT_REQUEST_PURSE_CREATE = 5,
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TEH_MT_REQUEST_PURSE_MERGE = 6,
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TEH_MT_REQUEST_RESERVE_PURSE = 7,
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TEH_MT_REQUEST_PURSE_DEPOSIT = 8,
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TEH_MT_REQUEST_IDEMPOTENT_DEPOSIT = 9,
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TEH_MT_REQUEST_IDEMPOTENT_WITHDRAW = 10,
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TEH_MT_REQUEST_IDEMPOTENT_AGE_WITHDRAW = 11,
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TEH_MT_REQUEST_IDEMPOTENT_MELT = 12,
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TEH_MT_REQUEST_IDEMPOTENT_BATCH_WITHDRAW = 13,
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TEH_MT_REQUEST_BATCH_DEPOSIT = 14,
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TEH_MT_REQUEST_POLICY_FULFILLMENT = 15,
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TEH_MT_REQUEST_COUNT = 16 /* MUST BE LAST! */
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};
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/**
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* Success types for which we collect metrics.
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*/
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enum TEH_MetricTypeSuccess
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{
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TEH_MT_SUCCESS_DEPOSIT = 0,
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TEH_MT_SUCCESS_WITHDRAW = 1,
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TEH_MT_SUCCESS_AGE_WITHDRAW = 2,
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TEH_MT_SUCCESS_BATCH_WITHDRAW = 3,
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TEH_MT_SUCCESS_MELT = 4,
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TEH_MT_SUCCESS_REFRESH_REVEAL = 5,
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TEH_MT_SUCCESS_COUNT = 6 /* MUST BE LAST! */
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};
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/**
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* Cipher types for which we collect signature metrics.
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*/
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enum TEH_MetricTypeSignature
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{
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TEH_MT_SIGNATURE_RSA = 0,
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TEH_MT_SIGNATURE_CS = 1,
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TEH_MT_SIGNATURE_EDDSA = 2,
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TEH_MT_SIGNATURE_COUNT = 3
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};
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/**
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* Cipher types for which we collect key exchange metrics.
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*/
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enum TEH_MetricTypeKeyX
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{
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TEH_MT_KEYX_ECDH = 0,
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TEH_MT_KEYX_COUNT = 1
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};
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/**
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* Number of requests handled of the respective type.
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*/
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extern unsigned long long TEH_METRICS_num_requests[TEH_MT_REQUEST_COUNT];
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/**
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* Number of successful requests handled of the respective type.
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*/
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extern unsigned long long TEH_METRICS_num_success[TEH_MT_SUCCESS_COUNT];
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/**
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* Number of coins withdrawn in a batch-withdraw request
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*/
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extern unsigned long long TEH_METRICS_batch_withdraw_num_coins;
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/**
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* Number of serialization errors encountered when
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* handling requests of the respective type.
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*/
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extern unsigned long long TEH_METRICS_num_conflict[TEH_MT_REQUEST_COUNT];
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/**
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* Number of signatures created by the respective cipher.
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*/
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extern unsigned long long TEH_METRICS_num_signatures[TEH_MT_SIGNATURE_COUNT];
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/**
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* Number of signatures verified by the respective cipher.
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*/
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extern unsigned long long TEH_METRICS_num_verifications[TEH_MT_SIGNATURE_COUNT];
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/**
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* Number of key exchanges done with the respective cipher.
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*/
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extern unsigned long long TEH_METRICS_num_keyexchanges[TEH_MT_KEYX_COUNT];
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/**
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* Handle a "/metrics" request.
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*
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* @param rc request context
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* @param args array of additional options (must be empty for this function)
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* @return MHD result code
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*/
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MHD_RESULT
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TEH_handler_metrics (struct TEH_RequestContext *rc,
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const char *const args[]);
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#endif
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