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/**
* Copyright (C) 2018-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* 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
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the Server Side Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#pragma once
#include "mongo/base/disallow_copying.h"
#include "mongo/base/status.h"
#include "mongo/logger/appender.h"
#include "mongo/logger/console.h"
#include "mongo/logger/encoder.h"
namespace mongo {
namespace logger {
/**
* Appender for writing to the console (stdout).
*/
template <typename Event, typename ConsoleType = Console>
class ConsoleAppender : public Appender<Event> {
MONGO_DISALLOW_COPYING(ConsoleAppender);
public:
typedef Encoder<Event> EventEncoder;
// TODO: Remove this ctor once raw pointer use is gone
explicit ConsoleAppender(EventEncoder* encoder) : _encoder(encoder) {}
explicit ConsoleAppender(std::unique_ptr<EventEncoder> encoder)
: _encoder(std::move(encoder)) {}
virtual Status append(const Event& event) {
ConsoleType console;
_encoder->encode(event, console.out()).flush();
if (!console.out())
return Status(ErrorCodes::LogWriteFailed, "Error writing log message to console.");
return Status::OK();
}
private:
std::unique_ptr<EventEncoder> _encoder;
};
} // namespace logger
} // namespace mongo
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