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/**
* Copyright (C) 2019-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/attribute_value_set.hpp>
#include <boost/log/attributes/value_extraction.hpp>
#include "mongo/logv2/attributes.h"
#include "mongo/logv2/log_domain.h"
namespace mongo {
namespace logv2 {
// Boost::log filter that enables logging if domain match. Using CRTP, users should inherit from
// this and provide the concrete type as the template argument to this class.
template <class Filter>
class DomainFilter {
public:
explicit DomainFilter(const LogDomain& domain) : DomainFilter(domain.internal()) {}
explicit DomainFilter(const LogDomain::Internal& domain) : _domain(&domain) {}
bool operator()(boost::log::attribute_value_set const& attrs) {
using boost::log::extract;
return extract<const LogDomain::Internal*>(attributes::domain(), attrs).get() == _domain &&
static_cast<const Filter*>(this)->filter(attrs);
}
private:
const LogDomain::Internal* _domain;
};
class AllLogsFilter : public DomainFilter<AllLogsFilter> {
public:
using DomainFilter::DomainFilter;
bool filter(boost::log::attribute_value_set const& attrs) const {
return true;
}
};
} // namespace logv2
} // namespace mongo
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