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Documentation Generated on Thu Aug 31 00:02:29 2006
Log.cpp Go to the documentation of this file. // $Id: Log.cpp,v 1.32 2005/08/23 19:34:02 klas Exp $ // // Usage: Logging functions etc. // // A part of babyftpd, licensed under the GNU GPL, see the file // LICENSE for complete information. #define LOG_CPP #define BABY_IO #include "Log.h" class Log *logging; Log::Log(void) { sem_init(&this->to_log_lock, 0, 1); pthread_cond_init(&data_ready, NULL); pthread_mutex_init(&ready_mutex, NULL); openlog("BabyFTPd", LOG_PID, LOG_FTP); } Log::~Log(void) { closelog(); sem_destroy(&this->to_log_lock); pthread_cond_destroy(&this->data_ready); pthread_mutex_destroy(&this->ready_mutex); } void Log::log_this(int log_level, enum log_types log_type, string log_message) { if(log_level > config->logger.log_level && log_type != TYPE_XFER) return; // no point in pushing data that wont be logged.. struct log_data temp_data = {log_level, log_type, log_message}; if(temp_data.type != TYPE_XFER && config->logger.thread_id) temp_data.message += " (" + util.itos(pthread_self()) + ")"; sem_wait(&this->to_log_lock); this->to_log.push_back(temp_data); sem_post(&this->to_log_lock); // bump data_ready to tell main thread there is data pthread_mutex_lock(&this->ready_mutex); pthread_cond_signal(&this->data_ready); pthread_mutex_unlock(&this->ready_mutex); } void Log::log_main(void) { setuid(config->general.user); setgid(config->general.group); size_t time_string_len; { string temp; time_string_len = util.time_string(temp, config->logger.time_format, 500); time_string_len++; } while(true) { pthread_mutex_lock(&this->ready_mutex); while(this->to_log.empty()) pthread_cond_wait(&this->data_ready, &this->ready_mutex); pthread_mutex_unlock(&this->ready_mutex); sem_wait(&this->to_log_lock); struct log_data temp_data = this->to_log.front(); this->to_log.erase(this->to_log.begin()); sem_post(&this->to_log_lock); switch(temp_data.level) { case 0: temp_data.level = LOG_CRIT; break; case 1: temp_data.level = LOG_ERR; break; case 2: temp_data.level = LOG_WARNING; break; case 3: temp_data.level = LOG_NOTICE; break; case 4: temp_data.level = LOG_INFO; break; case 5: default: // so we get everything else as well ;) temp_data.level = LOG_DEBUG; break; } if((temp_data.type == TYPE_AUTH && !config->logger.authlog.empty()) || (temp_data.type == TYPE_INFO && !config->logger.infolog.empty()) || (temp_data.type == TYPE_DEBUG && !config->logger.debuglog.empty())) { string timestr; util.time_string(timestr, config->logger.time_format, time_string_len); temp_data.message.insert(0, timestr); } switch(temp_data.type) { case TYPE_XFER: this->xferlog(temp_data); break; case TYPE_AUTH: this->authlog(temp_data); break; case TYPE_INFO: this->infolog(temp_data); break; case TYPE_DEBUG: this->debuglog(temp_data); break; } } } void Log::xferlog(struct log_data data_to_log) { ofstream xstream; xstream.open(config->logger.xferlog_file.c_str(), ofstream::out | ofstream::app); if(!xstream) log_this(2, TYPE_INFO, "Failed to open xferlog file \"" + config->logger.xferlog_file + "\" for writing, check permissions."); else { xstream << data_to_log.message << endl; xstream.close(); } } void Log::authlog(struct log_data data_to_log) { if(config->logger.authlog.empty()) syslog(LOG_AUTHPRIV | data_to_log.level, data_to_log.message.c_str()); else { ofstream astream; astream.open(config->logger.authlog.c_str(), ofstream::out | ofstream::app); if(!astream) log_this(2, TYPE_INFO, "Failed to open authlog file \"" + config->logger.authlog + "\" for writing, check permissions."); else { astream << data_to_log.message << endl; astream.close(); } } } void Log::infolog(struct log_data data_to_log) { if(config->logger.infolog.empty()) syslog(LOG_FTP | data_to_log.level, data_to_log.message.c_str()); else { ofstream istream; istream.open(config->logger.infolog.c_str(), ofstream::out | ofstream::app); if(!istream) log_this(2, TYPE_INFO, "Failed to open infolog file \"" + config->logger.infolog + "\" for writing, check permissions."); else { istream << data_to_log.message << endl; istream.close(); } } } void Log::debuglog(struct log_data data_to_log) { if(config->logger.infolog.empty()) syslog(LOG_FTP | data_to_log.level, data_to_log.message.c_str()); else { ofstream dstream; dstream.open(config->logger.debuglog.c_str(), ofstream::out | ofstream::app); if(!dstream) log_this(2, TYPE_INFO, "Failed to open debuglog file \"" + config->logger.debuglog + "\" for writing, check permissions."); else { dstream << data_to_log.message << endl; dstream.close(); } } }

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