/*
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
*/
/**
* @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
#include
#include "taler-exchange-httpd.h"
/**
* Request types for which we collect metrics.
*/
enum TEH_MetricType
{
TEH_MT_OTHER = 0,
TEH_MT_DEPOSIT = 1,
TEH_MT_WITHDRAW = 2,
TEH_MT_MELT = 3,
TEH_MT_REVEAL_PRECHECK = 4,
TEH_MT_REVEAL = 5,
TEH_MT_REVEAL_PERSIST = 6,
TEH_MT_COUNT = 7 /* MUST BE LAST! */
};
/**
* Number of requests handled of the respective type.
*/
extern unsigned long long TEH_METRICS_num_requests[TEH_MT_COUNT];
/**
* Number of serialization errors encountered when
* handling requests of the respective type.
*/
extern unsigned long long TEH_METRICS_num_conflict[TEH_MT_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