memgraph/include/logging/log.hpp
2016-08-19 01:28:37 +01:00

67 lines
1.2 KiB
C++

#pragma once
#include <vector>
#include <string>
#include "utils/datetime/timestamp.hpp"
class Logger;
class Log
{
public:
using uptr = std::unique_ptr<Log>;
class Record
{
public:
using uptr = std::unique_ptr<Record>;
Record() = default;
virtual ~Record() = default;
virtual const Timestamp& when() const = 0;
virtual const std::string& where() const = 0;
virtual unsigned level() const = 0;
virtual const std::string& level_str() const = 0;
virtual const std::string& text() const = 0;
};
class Stream
{
public:
using uptr = std::unique_ptr<Stream>;
Stream() = default;
virtual ~Stream() = default;
virtual void emit(const Record&) = 0;
};
virtual ~Log() = default;
Logger logger(const std::string& name);
void pipe(Stream::uptr&& stream)
{
streams.emplace_back(std::forward<Stream::uptr>(stream));
}
virtual std::string type() = 0;
protected:
friend class Logger;
virtual void emit(Record::uptr record) = 0;
void dispatch(const Record& record)
{
for(auto& stream : streams)
stream->emit(record);
}
std::vector<Stream::uptr> streams;
};