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#pragma once
#include <fstream>
#include <thread>
#include <iomanip>
#include "ilogwriter.h"
#include "itextstream.h"
namespace test
{
class TestLogFile :
public applog::ILogDevice
{
// The log file name including path
std::string _logFilePath;
// We write line by line
std::string _buffer;
// The file stream which will be filled with bytes
std::ofstream _logStream;
const char* const _timeFormat;
public:
TestLogFile(const std::string& fullPath) :
_logFilePath(fullPath),
_logStream(_logFilePath.c_str(), std::ios_base::app),
_timeFormat("%Y-%m-%d %H:%M:%S")
{}
// Returns true if the log stream was successfully opened
bool isOpen()
{
return _logStream.good();
}
void writeLog(const std::string& outputStr, applog::LogLevel level) override
{
_buffer.append(outputStr);
// Hold back until we hit a newline
if (outputStr.rfind('\n') != std::string::npos)
{
std::time_t t = std::time(nullptr);
std::tm tm = *std::localtime(&t);
// Write timestamp and thread information
_logStream << std::put_time(&tm, _timeFormat);
_logStream << " (" << std::this_thread::get_id() << ") ";
// Insert the string into the stream and flush the buffer
_logStream << _buffer;
_buffer.clear();
_logStream.flush();
}
}
void close()
{
std::time_t t = std::time(nullptr);
std::tm tm = *std::localtime(&t);
rMessage() << std::put_time(&tm, _timeFormat) << " Closing log file." << std::endl;
// Insert the last few remaining bytes into the stream
if (!_buffer.empty())
{
_logStream << _buffer << std::endl;
_buffer.clear();
}
_logStream.flush();
_logStream.close();
}
};
} // namespace
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