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/*
* Copyright (c) 2023 Attila Szakacs
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* As an additional exemption you are allowed to compile & link against the
* OpenSSL libraries as published by the OpenSSL project. See the file
* COPYING for details.
*
*/
#include "syslog-ng-otlp-dest.hpp"
#include "syslog-ng-otlp-dest-worker.hpp"
using namespace syslogng::grpc::otel;
/* C++ Implementations */
const char *
SyslogNgDestDriver::generate_legacy_persist_name()
{
static char persist_name[1024];
if (super->super.super.super.super.persist_name)
g_snprintf(persist_name, sizeof(persist_name), "syslog-ng-otlp.%s",
super->super.super.super.super.persist_name);
else
g_snprintf(persist_name, sizeof(persist_name), "syslog-ng-otlp");
return persist_name;
}
const char *
SyslogNgDestDriver::generate_persist_name()
{
static char persist_name[1024];
if (super->super.super.super.super.persist_name)
g_snprintf(persist_name, sizeof(persist_name), "syslog-ng-otlp.%s",
super->super.super.super.super.persist_name);
else
g_snprintf(persist_name, sizeof(persist_name), "syslog-ng-otlp(%s)",
url.c_str());
return persist_name;
}
const char *
SyslogNgDestDriver::format_stats_key(StatsClusterKeyBuilder *kb)
{
stats_cluster_key_builder_add_legacy_label(kb, stats_cluster_label("driver", "syslog-ng-otlp"));
stats_cluster_key_builder_add_legacy_label(kb, stats_cluster_label("url", url.c_str()));
return NULL;
}
LogThreadedDestWorker *
SyslogNgDestDriver::construct_worker(int worker_index)
{
return SyslogNgDestWorker::construct(&super->super, worker_index);
}
bool
SyslogNgDestDriver::update_legacy_persist_name_if_exists()
{
GlobalConfig *cfg = log_pipe_get_config(&super->super.super.super.super);
const char *current_persist_name = generate_persist_name();
const char *legacy_persist_name = generate_legacy_persist_name();
if (persist_state_entry_exists(cfg->state, current_persist_name))
return true;
if (!persist_state_entry_exists(cfg->state, legacy_persist_name))
return true;
if (strcmp(current_persist_name, legacy_persist_name) == 0)
return true;
return persist_state_move_entry(cfg->state, legacy_persist_name, current_persist_name);
}
bool
SyslogNgDestDriver::init()
{
if (!DestDriver::init())
return false;
if (!update_legacy_persist_name_if_exists())
return false;
return true;
}
/* C Wrappers */
LogDriver *
syslog_ng_otlp_dd_new(GlobalConfig *cfg)
{
SyslogNgOtlpDestDriverWrapper *self = g_new0(SyslogNgOtlpDestDriverWrapper, 1);
otel_dd_init_super(&self->super, cfg);
self->super.stats_source = stats_register_type("syslog-ng-otlp");
self->cpp = new SyslogNgDestDriver(self);
return &self->super.super.super;
}
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