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