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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 <boost/log/attributes/function.hpp>
#include <boost/log/attributes/mutable_constant.hpp>
#include <boost/log/keywords/channel.hpp>
#include <boost/log/keywords/severity.hpp>
#include <boost/log/sources/basic_logger.hpp>
#include <boost/log/sources/threading_models.hpp>
#include "mongo/logv2/attributes.h"
#include "mongo/logv2/log_component.h"
#include "mongo/logv2/log_severity.h"
#include "mongo/logv2/log_tag.h"
#include "mongo/util/time_support.h"
namespace mongo {
namespace logv2 {
// Custom logging source that automatically add our set of attributes
class LogSource : public boost::log::sources::
basic_logger<char, LogSource, boost::log::sources::single_thread_model> {
private:
private:
typedef boost::log::sources::
basic_logger<char, LogSource, boost::log::sources::single_thread_model>
base_type;
public:
LogSource() : LogSource(boost::log::core::get()) {}
LogSource(boost::log::core_ptr core)
: base_type(core),
_severity(LogSeverity::Log()),
_component(LogComponent::kDefault),
_tags(LogTag::kNone),
_id(StringData{}) {
add_attribute_unlocked(attributes::severity(), _severity);
add_attribute_unlocked(attributes::component(), _component);
add_attribute_unlocked(attributes::tags(), _tags);
add_attribute_unlocked(attributes::stableId(), _id);
add_attribute_unlocked(attributes::timeStamp(), boost::log::attributes::make_function([]() {
return Date_t::now();
}));
add_attribute_unlocked(
attributes::threadName(),
boost::log::attributes::make_function([]() { return getThreadName(); }));
}
boost::log::record open_record(LogSeverity severity,
LogComponent component,
LogTag tags,
StringData stable_id) {
// Perform a quick check first
if (this->core()->get_logging_enabled()) {
_severity.set(severity);
_component.set(component);
_tags.set(tags);
_id.set(stable_id);
return base_type::open_record_unlocked();
} else
return boost::log::record();
}
void push_record(BOOST_RV_REF(boost::log::record) rec) {
base_type::push_record_unlocked(boost::move(rec));
_severity.set(LogSeverity::Log());
_component.set(LogComponent::kDefault);
_tags.set(LogTag::kNone);
_id.set(StringData{});
}
private:
boost::log::attributes::mutable_constant<LogSeverity> _severity;
boost::log::attributes::mutable_constant<LogComponent> _component;
boost::log::attributes::mutable_constant<LogTag> _tags;
boost::log::attributes::mutable_constant<StringData> _id;
};
} // namespace logv2
} // namespace mongo
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