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/*
* Copyright (C) 2009 Patrick Ohly <patrick.ohly@gmx.de>
* Copyright (C) 2009 Intel Corporation
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) version 3.
*
* This library 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 GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
#include <syncevo/LogStdout.h>
#include <string.h>
#include <errno.h>
#include <boost/bind.hpp>
#include <syncevo/declarations.h>
using namespace std;
SE_BEGIN_CXX
LoggerStdout::LoggerStdout(FILE *file) :
m_file(file),
m_closeFile(false)
{}
LoggerStdout::LoggerStdout(const std::string &filename) :
m_file(fopen(filename.c_str(), "w")),
m_closeFile(true)
{
if (!m_file) {
throw std::string(filename + ": " + strerror(errno));
}
}
LoggerStdout::~LoggerStdout()
{
if (m_closeFile) {
fclose(m_file);
}
}
static void appendOutput(std::string &output, std::string &chunk, size_t expectedTotal)
{
if (expectedTotal) {
output.reserve(expectedTotal);
}
output.append(chunk);
}
void LoggerStdout::write(FILE *file,
Level msglevel,
Level filelevel,
const std::string *prefix,
const std::string *procname,
const char *format,
va_list args)
{
if (file &&
msglevel <= filelevel) {
// TODO: print debugging information, perhaps only in log file
std::string output;
formatLines(msglevel, filelevel,
procname,
prefix,
format, args,
boost::bind(appendOutput, boost::ref(output), _1, _2));
fwrite(output.c_str(), 1, output.size(), file);
fflush(file);
}
}
void LoggerStdout::messagev(const MessageOptions &options,
const char *format,
va_list args)
{
write(m_file, options.m_level, getLevel(),
options.m_prefix,
options.m_processName,
format, args);
}
SE_END_CXX
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