sink.h

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//   ealogger is a simple, asynchronous and powerful logger library for c++
//   Copyright 2013 - 2016 Christian Rapp
//
//   Licensed under the Apache License, Version 2.0 (the "License");
//   you may not use this file except in compliance with the License.
//   You may obtain a copy of the License at
//
//       http://www.apache.org/licenses/LICENSE-2.0
//
//   Unless required by applicable law or agreed to in writing, software
//   distributed under the License is distributed on an "AS IS" BASIS,
//   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//   See the License for the specific language governing permissions and
//   limitations under the License.

#ifndef SINK_H
#define SINK_H

#include <algorithm>
#include <map>
#include <memory>
#include <mutex>
#include <string>

#include <iostream>

#include <ealogger/conversion_pattern.h>
#include <ealogger/global.h>
#include <ealogger/logmessage.h>
#include <ealogger/utility.h>

namespace ealogger
{
class Sink
{
public:
    Sink(std::string msg_template, std::string datetime_pattern, bool enabled,
         ealogger::constants::LOG_LEVEL min_lvl);
    virtual ~Sink();

    void set_msg_template(std::string msg_template);
    void set_datetime_pattern(std::string datetime_pattern);
    void set_enabled(bool enabled);
    bool get_enabled();
    void set_min_lvl(ealogger::constants::LOG_LEVEL min_lvl);

    void prepare_log_message(const std::shared_ptr<LogMessage> &log_message);

protected:
    // TODO: I think some of these protected members could be moved to private
    std::string
        msg_template; 
    std::string datetime_pattern; 
    bool enabled;                 
    ealogger::constants::LOG_LEVEL
        min_level; 
    // Mutexes for all important members
    std::mutex mtx_msg_template;     
    std::mutex mtx_datetime_pattern; 
    std::mutex mtx_enabled;          
    std::mutex mtx_min_lvl;          
    std::mutex mtx_conv_pattern;     
    std::vector<ConversionPattern>
        vec_conv_patterns; 
    std::map<ealogger::constants::LOG_LEVEL, std::string>
        loglevel_lookup; 
    void fill_conv_patterns(bool lock);
    virtual void write_message(const std::string &msg) = 0;

    virtual void config_changed() = 0;
};
}

#endif /* SINK_H */