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implement #5740

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This commit is contained in:
Christian Grothoff 2019-12-01 13:31:45 +01:00
parent 97afbf1ea5
commit f1639c09a2
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GPG Key ID: 939E6BE1E29FC3CC
3 changed files with 37 additions and 2 deletions
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1
src/auditor/generate-auditor-basedb.conf
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@ -13,6 +13,7 @@ SIGNKEY_DURATION = 4 weeks
LEGAL_DURATION = 2 years
LOOKAHEAD_SIGN = 32 weeks 1 day
LOOKAHEAD_PROVIDE = 4 weeks 1 day
MAX_REQUESTS = 2
[merchant]
SERVE = tcp

5
src/exchange/exchange.conf
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@ -21,6 +21,11 @@ REVOCATION_DIR = ${TALER_DATA_HOME}/exchange/revocations/
# Used to artifically reduce caching (addresses #5747).
MAX_KEYS_CACHING = forever
# After how many requests should the exchange auto-restart
# (to address potential issues with memory fragmentation)?
# If this option is not specified, auto-restarting is disabled.
# MAX_REQUESTS = 10000000
# How to access our database
DB = postgres

33
src/exchange/taler-exchange-httpd.c
View File

@ -1,6 +1,6 @@
/*
This file is part of TALER
Copyright (C) 2014, 2015, 2016, 2019 Inria and GNUnet e.V.
Copyright (C) 2014, 2015, 2016, 2019 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
@ -13,7 +13,6 @@
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.c
* @brief Serve the HTTP interface of the exchange
@ -144,6 +143,16 @@ static char *serve_unixpath;
*/
static mode_t unixpath_mode;
/**
* Counter for the number of requests this HTTP has processed so far.
*/
static unsigned long long req_count;
/**
* Limit for the number of requests this HTTP may process before restarting.
*/
static unsigned long long req_max;
/**
* Function called whenever MHD is done with a request. If the
@ -422,7 +431,19 @@ handle_mhd_request (void *cls,
(void) version;
if (NULL == ecls)
{
unsigned long long cnt;
GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Handling new request\n");
cnt = __sync_add_and_fetch (&req_count, 1LLU);
if (req_max == cnt)
{
GNUNET_log (GNUNET_ERROR_TYPE_INFO,
"Restarting exchange service after %llu requests\n",
cnt);
(void) kill (getpid (),
SIGHUP);
}
/* We're in a new async scope! */
ecls = *con_cls = GNUNET_new (struct ExchangeHttpRequestClosure);
GNUNET_async_scope_fresh (&ecls->async_scope_id);
@ -497,6 +518,14 @@ exchange_serve_process_config ()
{
char *TEH_master_public_key_str;
if (GNUNET_OK !=
GNUNET_CONFIGURATION_get_value_number (cfg,
"exchange",
"MAX_REQUESTS",
&req_max))
{
req_max = ULONG_LONG_MAX;
}
if (GNUNET_OK !=
GNUNET_CONFIGURATION_get_value_time (cfg,
"exchange",