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/*
* Copyright (c) 2023 László Várady
*
* 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 LOKI_WORKER_HPP
#define LOKI_WORKER_HPP
#include "loki-worker.h"
#include "loki-dest.hpp"
#include "compat/cpp-start.h"
#include "messages.h"
#include "compat/cpp-end.h"
#include <grpcpp/create_channel.h>
#include <string>
#include <memory>
#include "push.grpc.pb.h"
namespace syslogng {
namespace grpc {
namespace loki {
class DestinationWorker final
{
public:
DestinationWorker(LokiDestWorker *s);
~DestinationWorker();
bool init();
void deinit();
bool connect();
void disconnect();
LogThreadedResult insert(LogMessage *msg);
LogThreadedResult flush(LogThreadedFlushMode mode);
private:
void prepare_batch();
void set_labels(LogMessage *msg);
void set_timestamp(logproto::EntryAdapter *entry, LogMessage *msg);
DestinationDriver *get_owner();
private:
LokiDestWorker *super;
bool connected;
std::shared_ptr<::grpc::Channel> channel;
std::unique_ptr<logproto::Pusher::Stub> stub;
logproto::PushRequest current_batch;
};
}
}
}
#endif
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