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/*
This file is part of GNUnet.
Copyright (C) 2011-2015, 2018 GNUnet e.V.
GNUnet 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 of the License,
or (at your option) any later version.
GNUnet 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 this program. If not, see <http://www.gnu.org/licenses/>.
SPDX-License-Identifier: AGPL3.0-or-later
*/
/**
* @file ats/plugin_ats2_common.c
* @brief ATS solver helper functions to be inlined
* @author Matthias Wachs
* @author Christian Grothoff
*/
/**
* Default bandwidth assigned to a network: 64 KB/s
*/
#define DEFAULT_BANDWIDTH 65536
/**
* Parse @a cfg for @a quota as specified for @a direction of
* network type @a nts.
*
* @param cfg configuration to parse
* @param nts network type string to get quota for
* @param direction direction to get quota for ("IN" or "OUT")
* @param quota[out] set to quota, #DEFAULT_BANDWIDTH if @a cfg does not say anything useful
*/
static void
get_quota(const struct GNUNET_CONFIGURATION_Handle *cfg,
const char *nts,
const char *direction,
unsigned long long *quota)
{
char *quota_str;
char *quota_s;
int res;
GNUNET_asprintf("a_s,
"%s_QUOTA_%s",
nts,
direction);
if (GNUNET_OK !=
GNUNET_CONFIGURATION_get_value_string(cfg,
"ATS",
quota_s,
"a_str))
{
GNUNET_log_config_missing(GNUNET_ERROR_TYPE_WARNING,
"ATS",
quota_s);
GNUNET_free(quota_s);
return;
}
GNUNET_free(quota_s);
res = GNUNET_NO;
if (0 == strcmp(quota_str,
"unlimited"))
{
*quota = ULONG_MAX;
res = GNUNET_YES;
}
if ((GNUNET_NO == res) &&
(GNUNET_OK ==
GNUNET_STRINGS_fancy_size_to_bytes(quota_str,
quota)))
res = GNUNET_YES;
if ((GNUNET_NO == res) &&
(1 ==
sscanf(quota_str,
"%llu",
quota)))
res = GNUNET_YES;
if (GNUNET_NO == res)
{
GNUNET_log(GNUNET_ERROR_TYPE_ERROR,
_("Could not load %s quota for network `%s': `%s', assigning default bandwidth %llu\n"),
direction,
nts,
quota_str,
(unsigned long long)DEFAULT_BANDWIDTH);
*quota = DEFAULT_BANDWIDTH;
}
GNUNET_free(quota_str);
}
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