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/*
Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
Her Majesty the Queen in Right of Canada (Communications Research
Center Canada)
Copyright (C) 2017
Matthias P. Braendli, matthias.braendli@mpb.li
http://www.opendigitalradio.org
*/
/*
This file is part of ODR-DabMux.
ODR-DabMux is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.
ODR-DabMux 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with ODR-DabMux. If not, see <http://www.gnu.org/licenses/>.
*/
#include "Log.h"
Logger etiLog;
void Logger::register_backend(std::shared_ptr<LogBackend> backend)
{
backends.push_back(backend);
}
void Logger::log(log_level_t level, const char* fmt, ...)
{
if (level == discard) {
return;
}
int size = 100;
std::string str;
va_list ap;
while (1) {
str.resize(size);
va_start(ap, fmt);
int n = vsnprintf((char *)str.c_str(), size, fmt, ap);
va_end(ap);
if (n > -1 && n < size) {
str.resize(n);
break;
}
if (n > -1)
size = n + 1;
else
size *= 2;
}
logstr(level, str);
}
void Logger::logstr(log_level_t level, std::string message)
{
if (level == discard) {
return;
}
/* Remove a potential trailing newline.
* It doesn't look good in syslog
*/
if (message[message.length()-1] == '\n') {
message.resize(message.length()-1);
}
for (auto &backend : backends) {
backend->log(level, message);
}
{
std::lock_guard<std::mutex> guard(m_cerr_mutex);
std::cerr << levels_as_str[level] << " " << message << std::endl;
}
}
LogLine Logger::level(log_level_t level)
{
return LogLine(this, level);
}
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