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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.
*
*/
#ifndef OTEL_SOURCE_HPP
#define OTEL_SOURCE_HPP
#include "otel-source.h"
#include "compat/cpp-start.h"
#include "logthrsource/logthrsourcedrv.h"
#include "compat/cpp-end.h"
#include "otel-servicecall.hpp"
#include "credentials/grpc-credentials-builder.hpp"
#include <grpcpp/server.h>
#include <list>
namespace syslogng {
namespace grpc {
namespace otel {
class SourceWorker;
class SourceDriver
{
public:
SourceDriver(OtelSourceDriver *s);
void request_exit();
void format_stats_key(StatsClusterKeyBuilder *kb);
const char *generate_persist_name();
gboolean init();
gboolean deinit();
void add_extra_channel_arg(std::string name, long value);
void add_extra_channel_arg(std::string name, std::string value);
GrpcServerCredentialsBuilderW *get_credentials_builder_wrapper();
std::unique_ptr<TraceService::AsyncService> trace_service;
std::unique_ptr<LogsService::AsyncService> logs_service;
std::unique_ptr<MetricsService::AsyncService> metrics_service;
private:
friend SourceWorker;
public:
guint64 port = 4317;
int fetch_limit = -1;
int concurrent_requests = 2;
syslogng::grpc::ServerCredentialsBuilder credentials_builder;
std::list<std::pair<std::string, long>> int_extra_channel_args;
std::list<std::pair<std::string, std::string>> string_extra_channel_args;
private:
OtelSourceDriver *super;
GrpcServerCredentialsBuilderW credentials_builder_wrapper;
std::unique_ptr<::grpc::Server> server;
std::list<std::unique_ptr<::grpc::ServerCompletionQueue>> cqs;
};
class SourceWorker
{
public:
SourceWorker(OtelSourceWorker *s, SourceDriver &d);
void run();
void request_exit();
private:
void post(LogMessage *msg);
private:
friend TraceServiceCall;
friend LogsServiceCall;
friend MetricsServiceCall;
private:
OtelSourceWorker *super;
SourceDriver &driver;
std::unique_ptr<::grpc::ServerCompletionQueue> cq;
};
}
}
}
struct OtelSourceWorker_
{
LogThreadedSourceWorker super;
syslogng::grpc::otel::SourceWorker *cpp;
};
struct OtelSourceDriver_
{
LogThreadedSourceDriver super;
syslogng::grpc::otel::SourceDriver *cpp;
};
#endif
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