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//
// SimpleFileChannel.cpp
//
// Library: Foundation
// Package: Logging
// Module: SimpleFileChannel
//
// Copyright (c) 2005-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#include "Poco/SimpleFileChannel.h"
#include "Poco/LogFile.h"
#include "Poco/File.h"
#include "Poco/Message.h"
#include "Poco/Exception.h"
#include "Poco/Ascii.h"
#include "Poco/String.h"
namespace Poco {
const std::string SimpleFileChannel::PROP_PATH = "path";
const std::string SimpleFileChannel::PROP_SECONDARYPATH = "secondaryPath";
const std::string SimpleFileChannel::PROP_ROTATION = "rotation";
const std::string SimpleFileChannel::PROP_FLUSH = "flush";
SimpleFileChannel::SimpleFileChannel():
_limit(0),
_flush(true),
_pFile(0)
{
}
SimpleFileChannel::SimpleFileChannel(const std::string& rPath):
_path(rPath),
_secondaryPath(rPath + ".0"),
_limit(0),
_flush(true),
_pFile(0)
{
}
SimpleFileChannel::~SimpleFileChannel()
{
try
{
close();
}
catch (...)
{
poco_unexpected();
}
}
void SimpleFileChannel::open()
{
FastMutex::ScopedLock lock(_mutex);
if (!_pFile)
{
File primary(_path);
File secondary(_secondaryPath);
Timestamp pt = primary.exists() ? primary.getLastModified() : 0;
Timestamp st = secondary.exists() ? secondary.getLastModified() : 0;
std::string pathString;
if (pt >= st)
pathString = _path;
else
pathString = _secondaryPath;
_pFile = new LogFile(pathString);
}
}
void SimpleFileChannel::close()
{
FastMutex::ScopedLock lock(_mutex);
delete _pFile;
_pFile = 0;
}
void SimpleFileChannel::log(const Message& msg)
{
open();
FastMutex::ScopedLock lock(_mutex);
if (_limit > 0 && _pFile->size() >= _limit)
{
rotate();
}
_pFile->write(msg.getText(), _flush);
}
void SimpleFileChannel::setProperty(const std::string& name, const std::string& value)
{
FastMutex::ScopedLock lock(_mutex);
if (name == PROP_PATH)
{
_path = value;
if (_secondaryPath.empty())
_secondaryPath = _path + ".0";
}
else if (name == PROP_SECONDARYPATH)
_secondaryPath = value;
else if (name == PROP_ROTATION)
setRotation(value);
else if (name == PROP_FLUSH)
setFlush(value);
else
Channel::setProperty(name, value);
}
std::string SimpleFileChannel::getProperty(const std::string& name) const
{
if (name == PROP_PATH)
return _path;
else if (name == PROP_SECONDARYPATH)
return _secondaryPath;
else if (name == PROP_ROTATION)
return _rotation;
else if (name == PROP_FLUSH)
return std::string(_flush ? "true" : "false");
else
return Channel::getProperty(name);
}
Timestamp SimpleFileChannel::creationDate() const
{
if (_pFile)
return _pFile->creationDate();
else
return 0;
}
UInt64 SimpleFileChannel::size() const
{
if (_pFile)
return _pFile->size();
else
return 0;
}
const std::string& SimpleFileChannel::path() const
{
return _path;
}
const std::string& SimpleFileChannel::secondaryPath() const
{
return _secondaryPath;
}
void SimpleFileChannel::setRotation(const std::string& rotation)
{
std::string::const_iterator it = rotation.begin();
std::string::const_iterator end = rotation.end();
UInt64 n = 0;
while (it != end && Ascii::isSpace(*it)) ++it;
while (it != end && Ascii::isDigit(*it)) { n *= 10; n += *it++ - '0'; }
while (it != end && Ascii::isSpace(*it)) ++it;
std::string unit;
while (it != end && Ascii::isAlpha(*it)) unit += *it++;
if (unit == "K")
_limit = n*1024;
else if (unit == "M")
_limit = n*1024*1024;
else if (unit.empty())
_limit = n;
else if (unit == "never")
_limit = 0;
else
throw InvalidArgumentException("rotation", rotation);
_rotation = rotation;
}
void SimpleFileChannel::setFlush(const std::string& flush)
{
_flush = icompare(flush, "true") == 0;
}
void SimpleFileChannel::rotate()
{
std::string newPath;
if (_pFile->path() == _path)
newPath = _secondaryPath;
else
newPath = _path;
File f(newPath);
if (f.exists())
{
try
{
f.remove();
}
catch (...)
{
}
}
delete _pFile;
_pFile = new LogFile(newPath);
}
} // namespace Poco
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