spectrum2/libtransport/Logging.cpp

241 lines
6.1 KiB
C++

/**
* libtransport -- C++ library for easy XMPP Transports development
*
* Copyright (C) 2011, Jan Kaluza <hanzz.k@gmail.com>
*
* This program 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 2 of the License, or
* (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA
*/
#include "transport/Logging.h"
#include "transport/Config.h"
#include "transport/Util.h"
#include <boost/foreach.hpp>
#include <iostream>
#include <iterator>
#include <algorithm>
#include <boost/filesystem.hpp>
#include <boost/algorithm/string.hpp>
#ifndef WIN32
#include "sys/signal.h"
#include <sys/stat.h>
#include <pwd.h>
#include <grp.h>
#include <sys/resource.h>
#include "libgen.h"
#else
#include <windows.h>
#include <process.h>
#define getpid _getpid
#endif
using namespace boost::filesystem;
namespace Transport {
namespace Logging {
#ifdef WITH_LOG4CXX
using namespace log4cxx;
static LoggerPtr root;
class intercept_stream : public std::streambuf{
public:
intercept_stream(std::ostream& stream, char const* logger):
_logger(log4cxx::Logger::getLogger(logger))
{
stream.rdbuf(this);
}
~intercept_stream(){
}
protected:
virtual std::streamsize xsputn(const char *msg, std::streamsize count){
//Output to log4cxx logger
std::string s(msg, count - 1); // remove last \n
LOG4CXX_INFO(_logger, s);
return count;
}
int overflow(int c)
{
return 0;
}
int sync()
{
return 0;
}
private:
log4cxx::LoggerPtr _logger;
};
static intercept_stream* intercepter_cout;
static intercept_stream* intercepter_cerr;
static void initLogging(Config *config, std::string key, bool only_create_dir = false) {
if (CONFIG_STRING(config, key).empty()) {
if (only_create_dir) {
return;
}
root = log4cxx::Logger::getRootLogger();
#ifdef _MSC_VER
root->addAppender(new ConsoleAppender(new PatternLayout(L"%d %-5p %c: %m%n")));
#else
root->addAppender(new ConsoleAppender(new PatternLayout("%d %-5p %c: %m%n")));
#endif
}
else {
log4cxx::helpers::Properties p;
log4cxx::helpers::FileInputStream *istream = NULL;
try {
istream = new log4cxx::helpers::FileInputStream(CONFIG_STRING(config, key));
}
catch(log4cxx::helpers::IOException &ex) {
std::cerr << "Can't create FileInputStream logger instance: " << ex.what() << "\n";
std::cerr << "This is usually caused by the non-existing \"" << CONFIG_STRING(config, key) << "\" file or bad permissions.\n";
}
catch (...) {
std::cerr << "Can't create FileInputStream logger instance\n";
std::cerr << "This is usually caused by the non-existing \"" << CONFIG_STRING(config, key) << "\" file or bad permissions.\n";
}
if (!istream) {
return;
}
p.load(istream);
LogString pid, jid, id;
log4cxx::helpers::Transcoder::decode(boost::lexical_cast<std::string>(getpid()), pid);
log4cxx::helpers::Transcoder::decode(CONFIG_STRING(config, "service.jid"), jid);
log4cxx::helpers::Transcoder::decode(CONFIG_STRING_DEFAULTED(config, "service.backend_id", ""), id);
#ifdef _MSC_VER
p.setProperty(L"pid", pid);
p.setProperty(L"jid", jid);
p.setProperty(L"id", id);
#else
p.setProperty("pid", pid);
p.setProperty("jid", jid);
p.setProperty("id", id);
#endif
std::vector<std::string> dirs;
BOOST_FOREACH(const log4cxx::LogString &prop, p.propertyNames()) {
if (boost::ends_with(prop, ".File")) {
std::string dir;
log4cxx::helpers::Transcoder::encode(p.get(prop), dir);
boost::replace_all(dir, "${jid}", jid);
boost::replace_all(dir, "${pid}", pid);
boost::replace_all(dir, "${id}", id);
dirs.push_back(dir);
}
}
#ifndef WIN32
mode_t old_cmask;
// create directories
old_cmask = umask(0007);
#endif
BOOST_FOREACH(std::string &dir, dirs) {
if (!dir.empty()) {
try {
Transport::Util::createDirectories(config, boost::filesystem::path(dir).parent_path());
}
catch (const boost::filesystem::filesystem_error &e) {
std::cerr << "Can't create logging directory directory " << boost::filesystem::path(dir).parent_path().string() << ": " << e.what() << ".\n";
}
}
}
#ifndef WIN32
umask(old_cmask);
#endif
if (only_create_dir) {
return;
}
log4cxx::PropertyConfigurator::configure(p);
// Change owner of main log file
#ifndef WIN32
BOOST_FOREACH(std::string &dir, dirs) {
if (!CONFIG_STRING(config, "service.group").empty() && !CONFIG_STRING(config, "service.user").empty()) {
struct group *gr;
if ((gr = getgrnam(CONFIG_STRING(config, "service.group").c_str())) == NULL) {
std::cerr << "Invalid service.group name " << CONFIG_STRING(config, "service.group") << "\n";
}
struct passwd *pw;
if ((pw = getpwnam(CONFIG_STRING(config, "service.user").c_str())) == NULL) {
std::cerr << "Invalid service.user name " << CONFIG_STRING(config, "service.user") << "\n";
}
chown(dir.c_str(), pw->pw_uid, gr->gr_gid);
}
}
#endif
}
}
void initBackendLogging(Config *config) {
initLogging(config, "logging.backend_config");
redirect_stderr();
}
void initMainLogging(Config *config) {
initLogging(config, "logging.config");
initLogging(config, "logging.backend_config", true);
}
void initManagerLogging(Config *config) {
initLogging(config, "logging.config");
}
void redirect_stderr() {
intercepter_cerr = new intercept_stream(std::cerr, "cerr");
intercepter_cout = new intercept_stream(std::cout, "cout");
}
void shutdownLogging() {
delete intercepter_cerr;
delete intercepter_cout;
log4cxx::LogManager::shutdown();
}
#else /* WITH_LOG4CXX */
void initBackendLogging(Config */*config*/) {
}
void initMainLogging(Config */*config*/) {
}
void shutdownLogging() {
}
void redirect_stderr() {
}
#endif /* WITH_LOG4CXX */
}
}