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/*
This file is part of TALER
Copyright (C) 2015-2021 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.c
* @brief Handle /metrics requests
* @author Christian Grothoff
*/
#include "platform.h"
#include <gnunet/gnunet_json_lib.h>
#include "taler_dbevents.h"
#include "taler-exchange-httpd_responses.h"
#include "taler-exchange-httpd_keys.h"
#include "taler-exchange-httpd_metrics.h"
#include "taler_json_lib.h"
#include "taler_mhd_lib.h"
#include <jansson.h>
unsigned long long TEH_METRICS_num_requests[TEH_MT_COUNT];
unsigned long long TEH_METRICS_num_conflict[TEH_MT_COUNT];
MHD_RESULT
TEH_handler_metrics (struct TEH_RequestContext *rc,
const char *const args[])
{
char *reply;
struct MHD_Response *resp;
MHD_RESULT ret;
(void) args;
GNUNET_asprintf (&reply,
"# HELP taler_exchange_serialization_failures "
" number of database serialization errors by type\n"
"# TYPE taler_exchange_serialization_failures counter\n"
"taler_exchange_serialization_failures{type=\"%s\"} %llu\n"
"taler_exchange_serialization_failures{type=\"%s\"} %llu\n"
"taler_exchange_serialization_failures{type=\"%s\"} %llu\n"
"taler_exchange_serialization_failures{type=\"%s\"} %llu\n"
"taler_exchange_serialization_failures{type=\"%s\"} %llu\n"
"taler_exchange_serialization_failures{type=\"%s\"} %llu\n"
"taler_exchange_serialization_failures{type=\"%s\"} %llu\n"
"# HELP taler_exchange_received_requests "
" number of received requests by type\n"
"# TYPE taler_exchange_received_requests counter\n"
"taler_exchange_received_requests{type=\"%s\"} %llu\n"
"taler_exchange_received_requests{type=\"%s\"} %llu\n"
"taler_exchange_received_requests{type=\"%s\"} %llu\n"
"taler_exchange_received_requests{type=\"%s\"} %llu\n"
"taler_exchange_received_requests{type=\"%s\"} %llu\n"
"taler_exchange_received_requests{type=\"%s\"} %llu\n"
"taler_exchange_received_requests{type=\"%s\"} %llu\n",
"other",
TEH_METRICS_num_conflict[TEH_MT_OTHER],
"deposit",
TEH_METRICS_num_conflict[TEH_MT_DEPOSIT],
"withdraw",
TEH_METRICS_num_conflict[TEH_MT_WITHDRAW],
"melt",
TEH_METRICS_num_conflict[TEH_MT_MELT],
"reveal-precheck",
TEH_METRICS_num_conflict[TEH_MT_REVEAL_PRECHECK],
"reveal",
TEH_METRICS_num_conflict[TEH_MT_REVEAL],
"reveal-persist",
TEH_METRICS_num_conflict[TEH_MT_REVEAL_PERSIST],
"other",
TEH_METRICS_num_requests[TEH_MT_OTHER],
"deposit",
TEH_METRICS_num_requests[TEH_MT_DEPOSIT],
"withdraw",
TEH_METRICS_num_requests[TEH_MT_WITHDRAW],
"melt",
TEH_METRICS_num_requests[TEH_MT_MELT],
"reveal-precheck",
TEH_METRICS_num_requests[TEH_MT_REVEAL_PRECHECK],
"reveal",
TEH_METRICS_num_requests[TEH_MT_REVEAL],
"reveal-persist",
TEH_METRICS_num_requests[TEH_MT_REVEAL_PERSIST]);
resp = MHD_create_response_from_buffer (strlen (reply),
reply,
MHD_RESPMEM_MUST_FREE);
ret = MHD_queue_response (rc->connection,
MHD_HTTP_OK,
resp);
MHD_destroy_response (resp);
return ret;
}
/* end of taler-exchange-httpd_metrics.c */
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