2 * @brief Logger class implementation. This class implements the Logging facility.
6 * @copyright Intra2net AG
12 #include "version_info.h"
18 #include <boost/foreach.hpp>
20 namespace po = boost::program_options;
22 typedef boost::shared_ptr<boost::program_options::options_description> Options_descriptionPtr;
32 , ExternalWarningLevel(0)
33 , ExternalLogOnlyOnce(false)
35 set_log_facility(Loglevel,Syslog,ExternalWarningLog,ExternalWarningLevel,ExternalLogOnlyOnce);
48 * Decides if a external log message can be send.
49 * @param msg The message to log.
51 bool Logger::is_allowed_to_send( const string& msg ) const
53 if ( (ExternalLogOnlyOnce) && (ExternalSendMessages.find(msg) != ExternalSendMessages.end()) )
60 * Clears the external send messages set.
62 void Logger::clear_external_send_messages()
64 ExternalSendMessages.clear();
69 * Decides if Logging through syslog if enabled or through std.
70 * @param msg The message to log.
72 void Logger::log_notice(const string& msg) const
75 syslog(LOG_NOTICE,msg.c_str());
82 * Escape shell arguments.
83 * @param input The input to escape.
84 * @return The escaped string ready to use for the shell.
86 string Logger::escape_shellarg(const string &input)
89 string::const_iterator it, it_end = input.end();
90 for (it = input.begin(); it != it_end; it++)
104 * Decides if Logging through syslog if enabled or through std.
105 * @param msg The message to log.
107 void Logger::log_warning(const string& msg, int level)
110 syslog(LOG_WARNING,msg.c_str());
114 if ( (level <= ExternalWarningLevel) && (!ExternalWarningLog.empty()) && (is_allowed_to_send(msg)) )
116 string message = msg;
117 // Remove endline from msg.
118 if (!message.empty() && message[message.length()-1] == '\n')
119 message.erase(message.length()-1); /*lint !e534 */
121 message = escape_shellarg(message);
123 string external = ExternalWarningLog;
124 external.append(" ");
125 external.append(message);
126 if ( system(external.c_str()) != 0 )
127 print_error_external_logging(external);
129 ExternalSendMessages.insert(msg); /*lint !e534 */
135 * Decides if Logging through syslog if enabled or through std.
136 * @param msg The message to log.
138 void Logger::log_error(const string& msg) const
141 syslog(LOG_ERR,msg.c_str());
148 * Setter for member Loglevel.
149 * @param _loglevel Value to set Loglevel to.
151 void Logger::set_external_log_only_once( const bool _external_log_only_once )
153 ExternalLogOnlyOnce = _external_log_only_once;
158 * Setter for member Loglevel.
159 * @param _loglevel Value to set Loglevel to.
161 void Logger::set_loglevel(const int _loglevel)
163 Loglevel = _loglevel;
168 * Getter for member Loglevel.
171 int Logger::get_loglevel() const
178 * Setter for member Syslog.
179 * @param _syslog Wether to log through syslog or not.
181 void Logger::set_syslog(const bool _syslog)
188 * Getter for member Syslog.
189 * @return True if logging through syslog is enabled, false otherwise.
191 bool Logger::get_syslog() const
198 * Initialize the logging facility.
200 void Logger::set_log_facility(const int _loglevel, const bool _syslog, const string& _external_error_log, const int _external_error_level, const bool _external_log_only_once )
202 Loglevel = _loglevel;
204 ExternalWarningLog = _external_error_log;
205 ExternalWarningLevel = _external_error_level;
206 ExternalLogOnlyOnce = _external_log_only_once;
209 openlog("bpdyndnsd",LOG_PID,LOG_DAEMON);
214 * Prints out the usage to the command line.
216 void Logger::print_usage(const Options_descriptionPtr opt_desc) const
219 if ( level <= Loglevel )
222 msg << "Usage: bpdyndnsd [Command line options]" << "\n" << endl;
223 msg << *opt_desc << endl;
224 log_notice(msg.str());
230 * Prints out the programm name and the given version string on stdout.
231 * @param version Version string.
233 void Logger::print_version() const
236 if ( level <= Loglevel )
239 msg << "Bullet proof dynamic dns daemon.\nbpdyndnsd " << MAJOR_VERSION << "." << MINOR_VERSION << endl;
240 log_notice(msg.str());
246 * Prints out the successful parsing of the command line options.
248 void Logger::print_cmd_parsed() const
251 if ( level <= Loglevel )
253 log_notice("Command line options successfully parsed.");
258 void Logger::print_conf_files_parsed() const
261 if ( level <= Loglevel )
263 log_notice("Config files successfully parsed.");
269 * Prints out the successful parsing of the config files.
270 * @param config_path The specified config path.
272 void Logger::print_conf_loaded(const string& config_path) const
275 if ( level <= Loglevel )
278 msg << "Config files successfully loaded in: " << config_path << endl;
279 log_notice(msg.str());
285 * Prints out the unsuccessful parsing of the config files.
286 * @param config_path The specified config path.
288 void Logger::print_conf_not_loaded(const string& config_path) const
291 if ( level <= Loglevel )
294 msg << "Config files couldn't be loaded in: " << config_path << endl;
295 log_error(msg.str());
301 * Prints out the unsuccessful parsing of the config files.
303 void Logger::print_conf_reload_failed_exit() const
306 if ( level <= Loglevel )
307 log_error("Config files couldn't be reloaded. Exiting.");
312 * A file could not be opened for reading.
313 * @param filename The filename.
315 void Logger::print_error_opening_r(const string& filename) const
318 if ( level <= Loglevel )
321 msg << "Error opening file for reading: " << filename << endl;
322 log_error(msg.str());
328 * A file could not be opened for writing.
329 * @param filename The filename.
331 void Logger::print_error_opening_rw(const string& filename) const
334 if ( level <= Loglevel )
337 msg << "Error opening file for writing: " << filename << endl;
338 log_error(msg.str());
344 * Desctructor of specified class was called.
345 * @param _class Name of the class.
347 void Logger::print_destructor_call(const string& _class) const
350 if ( level <= Loglevel )
353 msg << "Destructor call: " << _class << endl;
354 log_notice(msg.str());
360 * Constructor of specified class was called.
361 * @param _class Name of the class.
363 void Logger::print_constructor_call(const string& _class) const
366 if ( level <= Loglevel )
369 msg << "Constructor call: " << _class << endl;
370 log_notice(msg.str());
376 * Update method for specified service was called.
377 * @param service The service for which is the update running.
379 void Logger::print_update_service(const string& service) const
382 if ( level <= Loglevel )
385 msg << "Running update for service: " << service << endl;
386 log_notice(msg.str());
392 * An unknown option on the command line was detected.
393 * @param unknown_option The unknown option.
395 void Logger::print_unknown_cmd_option(const string& unknown_option) const
398 if ( level <= Loglevel )
401 msg << "Unknown option on command line detected: " << unknown_option << endl;
402 log_error(msg.str());
408 * An unknown protocol was specified.
409 * @param protocol The unknown protocol.
411 void Logger::print_unknown_protocol(const string& protocol) const
414 if ( level <= Loglevel )
417 msg << "Unknown protocol defined: " << protocol << endl;
418 log_error(msg.str());
424 * Loading a service config file.
425 * @param filename The service config file.
427 void Logger::print_load_service_conf(const string& filename) const
430 if ( level <= Loglevel )
433 msg << "Loading service config file: " << filename << endl;
434 log_notice(msg.str());
440 * Loading the main config file.
441 * @param filename The main config file.
443 void Logger::print_load_main_conf(const string& filename) const
446 if ( level <= Loglevel )
449 msg << "Loading main config file: " << filename << endl;
450 log_notice(msg.str());
456 * There is an unknown option in a service config file.
457 * @param unknown_option The unknown option.
459 void Logger::print_unknown_service_conf_option(const string& service_conf_file, const string& unknown_option) const
462 if ( level <= Loglevel )
465 msg << "Unknown option in service config file detected: " << service_conf_file << " Unknown option: " << unknown_option << endl;
466 log_error(msg.str());
472 * There is an unknown option in the main config file.
473 * @param unknown_option The unknown option.
475 void Logger::print_unknown_main_conf_option(const string& unknown_option) const
478 if ( level <= Loglevel )
481 msg << "Unknown option in main config file detected: " << unknown_option << endl;
482 log_error(msg.str());
488 * The defined config path doesn't exist or is not a directory.
489 * @param config_path The defined config path.
491 void Logger::print_error_config_path(const string& config_path) const
494 if ( level <= Loglevel )
497 msg << "Config path doesn't exists or is not a diretory: " << config_path << endl;
498 log_error(msg.str());
504 * There is a missing command line option to initialize a service object.
506 void Logger::print_missing_cmd_service_option() const
509 if ( level <= Loglevel )
511 log_error("Missing option to initialize service. Protocol, host, login and password must be specified.");
517 * Missing option in service config file.
518 * @param service_conf_file Service config file
520 void Logger::print_missing_service_conf_option(const string& service_conf_file) const
523 if ( level <= Loglevel )
526 msg << "Missing option in service config file " << service_conf_file << " to initialize service. Protocol, host, login and password must be specified." << endl;
527 log_error(msg.str());
533 * Process running as daemon.
534 * @param pid The pid of the daemon.
536 void Logger::print_runnig_as_daemon(const int pid) const
539 if ( level <= Loglevel )
542 msg << "Running as daemon: " << pid << endl;
543 log_notice(msg.str());
549 * Prints out the daemon mode.
550 * @param daemon_mode The daemon mode.
552 void Logger::print_daemon_mode(const bool daemon_mode) const
555 if ( level <= Loglevel )
557 string mode = "disabled";
558 if (daemon_mode == true)
561 msg << "Daemon mode is " << mode << "." << endl;
562 log_notice(msg.str());
568 * There was an error while trying to fork.
570 void Logger::print_error_fork() const
573 if ( level <= Loglevel )
575 log_error("Error while trying to fork.");
581 * A pid in the pidfile was found.
582 * @param pid The pid found in the pidfile.
584 void Logger::print_pid_found(const int pid) const
587 if ( level <= Loglevel )
590 msg << "Pidfile found: " << pid << ". Checking if process is still runnig..." << endl;
591 log_notice(msg.str());
597 * Another process is already running.
598 * @param pid The pid of the other process.
600 void Logger::print_process_already_running(const int pid) const
603 if ( level <= Loglevel )
606 msg << "Another bpdyndnsd process with PID " << pid << " is already running!" << endl;
607 log_error(msg.str());
615 void Logger::print_caught_sigterm() const
618 if ( level <= Loglevel )
620 log_notice("Caught SIGTERM. Exiting...");
628 void Logger::print_caught_siguser1() const
631 if ( level <= Loglevel )
633 log_notice("Caught SIGUSR1. Switching to offline mode...");
641 void Logger::print_caught_sighup() const
644 if ( level <= Loglevel )
646 log_notice("Caught SIGHUP. Reloading config...");
654 void Logger::print_caught_siguser2() const
657 if ( level <= Loglevel )
659 log_notice("Caught SIGUSR2. Switching to online mode...");
667 void Logger::print_caught_sigrtmin() const
670 if ( level <= Loglevel )
672 log_notice("Caught SIGRTMIN. Switching to online mode with webcheck enabled...");
680 void Logger::print_caught_sigrtmax(int new_loglevel) const
683 if ( level <= Loglevel )
686 msg << "Caught SIGRTMAX. Increasing log level to " << new_loglevel << endl;
687 log_error(msg.str());
693 * Error while setting signal handler.
695 void Logger::print_error_setting_signal(const string& signal) const
698 if ( level <= Loglevel )
701 msg << "Error while setting signal handler for: " << signal << endl;
702 log_error(msg.str());
708 * Error while setting signal handler.
710 void Logger::print_init_log_facility() const
713 if ( level <= Loglevel )
716 msg << "Initialized logging facility." << " Loglevel: " << Loglevel << " Syslog: " << Syslog << " ExternalLogOnlyOnce: " << ExternalLogOnlyOnce << endl;
717 log_notice(msg.str());
723 * Be verbose. Currently we are in offline mode.
725 void Logger::print_offline_mode() const
728 if ( level <= Loglevel )
730 log_notice("Offline mode...");
736 * Dialup mode: Print how long we plan to delay the next network traffic
737 * @param sleep_until Timestamp until we plan to keep quiet
739 void Logger::print_sleep_dialup_mode(time_t sleep_until) const
742 if ( level <= Loglevel )
745 msg << "Skipped update in dialup mode (" << sleep_until-time(NULL) << " more seconds)" << endl;
746 log_error(msg.str());
751 * Objects successfully serialized.
753 void Logger::print_serialized_objects_success() const
756 if ( level <= Loglevel )
758 log_notice("Serialized objects successfully.");
764 * Objects successfully de-serialized.
766 void Logger::print_deserialized_objects_success() const
769 if ( level <= Loglevel )
771 log_notice("De-serialized objects successfully.");
777 * Prints out the content of a service object.
778 * @param message Message to be added on output first.
779 * @param protocol Service's protocol.
780 * @param hostname Service's hostname.
781 * @param login Service's login.
782 * @param password Service's password.
783 * @param actual_ip Service's actual_ip.
784 * @param lastupdated Service's lastupdated.
786 void Logger::print_service_object(const string& message, const string& protocol, const string& hostname, const string& login, const string& password, const int update_interval, const int max_updates_within_interval, const int dns_cache_ttl , const string& actual_ip, list<time_t> lastupdated) const
789 if ( level <= Loglevel )
792 msg << message << endl;
793 msg << "\t" << "Protocol: " << protocol << endl;
794 msg << "\t" << "Hostname: " << hostname << endl;
795 msg << "\t" << "Login: " << login << endl;
796 msg << "\t" << "Password: " << password << endl;
797 msg << "\t" << "Update Interval: " << update_interval << endl;
798 msg << "\t" << "Max Updates: " << max_updates_within_interval << endl;
799 msg << "\t" << "DNS Cache TTL: " << dns_cache_ttl << endl;
800 msg << "\t" << "Actual_IP: " << actual_ip << endl;
801 BOOST_FOREACH( time_t update_time, lastupdated)
803 msg << "\t" << "Lastupdated: " << update_time << endl;
805 log_notice(msg.str());
811 * Caught exception while serialize.
812 * @param exception Exception message.
814 void Logger::print_exception_serialize(const string& errMsg) const
817 if ( level <= Loglevel )
820 msg << "Error while trying to serialize Serviceholder object: " << errMsg << endl;
821 log_error(msg.str());
827 * Caught exception while de-serialize.
828 * @param exception Exception message.
830 void Logger::print_exception_deserialize(const string& errMsg) const
833 if ( level <= Loglevel )
836 msg << "Error while trying to de-serialize Serviceholder object: " << errMsg << endl;
837 log_error(msg.str());
843 * Child couldn't be killed by parent.
844 * @param pid Pid of the child.
846 void Logger::print_error_kill_child(const int pid) const
849 if ( level <= Loglevel )
852 msg << "Could not kill child process with PID: " << pid << endl;
853 log_error(msg.str());
859 * Child was killed by parent because of error.
860 * @param pid The pid (child) killed.
862 void Logger::print_child_killed(const int pid) const
865 if ( level <= Loglevel )
868 msg << "Killed child process with PID: " << pid << endl;
869 log_notice(msg.str());
875 * There is no object file.
876 * @param object_file The object file.
878 void Logger::print_no_object_file(const string& object_file)
881 if ( (level <= Loglevel) || ((level <= ExternalWarningLevel) && (!ExternalWarningLog.empty())) )
884 msg << "There is no object file: " << object_file << ". Continue without recovering state from old services!" << endl;
885 log_warning(msg.str(),level);
891 * Prints out the given hostname
892 * @param hostname Hostname as string.
894 void Logger::print_hostname(const string& hostname) const
897 if ( level <= Loglevel )
900 msg << "Detected following hostname of localhost: " << hostname << endl;
901 log_notice(msg.str());
907 * Prints out the detected own ipv4 address
908 * @param ip_addr String representation of the detected ip.
910 void Logger::print_own_ipv4(const string& ip_addr_v4, const string& hostname) const
913 if ( level <= Loglevel )
916 msg << "Detected following IPv4-Address of host: " << hostname << " : " << ip_addr_v4 << endl;
917 log_notice(msg.str());
923 * Prints out the detected own ipv5 address
924 * @param ip_addr String representation of the detected ip.
926 void Logger::print_own_ipv6(const string& ip_addr_v6, const string& hostname) const
929 if ( level <= Loglevel )
932 msg << "Detected following IPv6-Address of host: " << hostname << " : " << ip_addr_v6 << endl;
933 log_notice(msg.str());
939 * Exception while trying to resolve hostname to ip.
940 * @param exception The exception caught.
941 * @param hostname The hostname.
943 void Logger::print_error_hostname_to_ip(const string& errMsg, const string& hostname) const
946 if ( level <= Loglevel )
949 msg << "Could not resolve the hostname: " << hostname << " to an IP-Address: " << errMsg << endl;
950 log_error(msg.str());
956 * The update of the given service was successful.
957 * @param service The service.
959 void Logger::print_update_service_successful(const string& service) const
962 if ( level <= Loglevel )
965 msg << "Updated service successful: " << service << endl;
966 log_notice(msg.str());
972 * No ip could be determined through webcheck
974 void Logger::print_webcheck_no_ip()
977 if ( (level <= Loglevel) || ((level <= ExternalWarningLevel) && (!ExternalWarningLog.empty())) )
979 log_warning("IP-Address of this host could not be determined through any configured webcheck url.",level);
985 * Connection problem while trying to get ip through webcheck url
986 * @param curl_err_buff Curl error message
989 void Logger::print_webcheck_url_connection_problem(const char * curl_err_buff, const string& url)
992 if ( (level <= Loglevel) || ((level <= ExternalWarningLevel) && (!ExternalWarningLog.empty())) )
995 msg << "There was a problem while trying to connect to following URL: " << url << " CURL error: " << curl_err_buff << endl;
996 log_warning(msg.str(),level);
1002 * Prints out curl error.
1003 * @param curl_err_buff Curl error message.
1006 void Logger::print_webcheck_error(const char * curl_err_buff, const string& url) const
1009 if ( level <= Loglevel )
1012 msg << "There was an error while trying to connect to following URL: " << url << " CURL error: " << curl_err_buff << endl;
1013 log_error(msg.str());
1019 * Prints out the received data through curl.
1020 * @param curl_data Data string
1022 void Logger::print_received_curl_data(const string& curl_data) const
1025 if ( level <= Loglevel )
1028 msg << "Received CURL data: " << curl_data << endl;
1029 log_notice(msg.str());
1035 * IP was foudn through regex
1036 * @param ip The IP found.
1038 void Logger::print_regex_found_ip(const string& ip) const
1041 if ( level <= Loglevel )
1044 msg << "Found IP-Address via regex: " << ip << endl;
1045 log_notice(msg.str());
1051 * No IP was found through regex.
1052 * @param data The data string which should contain a valid IP.s
1054 void Logger::print_regex_ip_not_found(const string& data)
1057 if ( (level <= Loglevel) || ((level <= ExternalWarningLevel) && (!ExternalWarningLog.empty())) )
1060 msg << "Could not extract an IP-Address via regex from following data:\n" << data << endl;
1061 log_warning(msg.str(),level);
1067 * Detected multiple occurrences of the same option.
1068 * @param message Error message.
1070 void Logger::print_multiple_cmd_option(const string& message) const
1073 if ( level <= Loglevel )
1076 msg << "The same option is only allowed once: " << message << endl;
1077 log_error(msg.str());
1083 * An update would exceed the update interval. Prints out a warning message.
1084 * @param current_time Current time.
1085 * @param old_time Time of update #MaxUpdatesWithinInterval ago.
1086 * @param MaxUpdatesWithinInterval Number of allowed updates in one update interval.
1087 * @param service The service which exceeds update interval.
1089 void Logger::print_update_not_allowed(const time_t current_time, const time_t old_time, const int MaxUpdatesWithinInterval, const string& service)
1092 if ( (level <= Loglevel) || ((level <= ExternalWarningLevel) && (!ExternalWarningLog.empty())) )
1095 msg << "Update not allowed for service: " << service << ". Too many updates within max update interval. Current time: " << current_time << ". Update time before " << MaxUpdatesWithinInterval << " updates: " << old_time << endl;
1096 log_warning(msg.str(),level);
1102 * Failure while running update for service.
1103 * @param service Services' name.
1105 void Logger::print_update_service_failure(const string& service)
1108 if ( (level <= Loglevel) || ((level <= ExternalWarningLevel) && (!ExternalWarningLog.empty())) )
1111 msg << "Could not update service: " << service << endl;
1112 log_warning(msg.str(),level);
1119 void Logger::print_started() const
1122 if ( level <= Loglevel )
1124 log_notice("Started");
1132 void Logger::print_starting_shutdown() const
1135 if ( level <= Loglevel )
1137 log_notice("Shutting down ...");
1145 void Logger::print_shutdown_succeeded() const
1148 if ( level <= Loglevel )
1150 log_notice("Shutting down complete ...");
1156 * Shutdown parent succeeded
1158 void Logger::print_shutdown_parent_succeeded() const
1161 if ( level <= Loglevel )
1163 log_notice("Shutting down parent process completed ...");
1169 * Starting shutdown parent
1171 void Logger::print_starting_shutdown_parent() const
1174 if ( level <= Loglevel )
1176 log_notice("Shutting down parent process ...");
1182 * DNS cache record timeout
1183 * @param hostname Hostname
1184 * @param lastupdated Lastupdated
1185 * @param dns_cache_ttl DNS cache TTL
1186 * @param current_time Current time
1188 void Logger::print_recheck_dns_entry(const string& hostname, const int lastupdated, const int dns_cache_ttl, const int current_time) const
1191 if ( level <= Loglevel )
1194 msg << "DNS cache record for host <" << hostname << "> expired or host will be updated for the first time: Lastupdated: " << lastupdated << " DNS cache ttl: " << dns_cache_ttl << " Current time: " << current_time << " Checking current DNS cache status." << endl;
1195 log_notice(msg.str());
1201 * Missing proxy option on command line.
1203 void Logger::print_missing_cmd_proxy_option() const
1206 if ( level <= Loglevel )
1208 log_error("Missing option to initialize proxy. http_proxy and http_proxy_port must be specified.");
1214 * Multiple option in service config file.
1215 * @param service_conf_file Service config file
1216 * @param message Multiple option text
1218 void Logger::print_multiple_service_conf_option(const string& service_conf_file, const string& message) const
1221 if ( level <= Loglevel )
1224 msg << "Multiple occurrences of the same option in service config file detected: " << service_conf_file << " " << message << endl;
1225 log_error(msg.str());
1231 * Multiple option in main config file.
1232 * @param service_conf_file Service config file
1233 * @param message Multiple option text
1235 void Logger::print_multiple_main_conf_option(const string& main_conf_file, const string& message) const
1238 if ( level <= Loglevel )
1241 msg << "Multiple occurrences of the same option in main config file detected: " << main_conf_file << " " << message << endl;
1242 log_error(msg.str());
1248 * Missing proxy option in main config file.
1249 * @param main_conf_filename The concerning config file.
1251 void Logger::print_missing_conf_proxy_option(const string& main_conf_filename) const
1254 if ( level <= Loglevel )
1257 msg << "Missing option to initialize proxy in main config file: " << main_conf_filename << " http_proxy and http_proxy_port must be specified." << endl;
1258 log_error(msg.str());
1264 * There is no domain part in the given hostname
1265 * @param hostname The hostname with no domain part in it.
1267 void Logger::print_no_domain_part(const string& hostname) const
1270 if ( level <= Loglevel )
1273 msg << "There is no domain part in the given hostname: " << hostname << endl;
1274 log_notice(msg.str());
1280 * Service is not initialized properly.
1281 * @param service The service.
1283 void Logger::print_httphelper_not_initialized() const
1286 if ( level <= Loglevel )
1288 log_error("HTTP-Helper is not initialized properly.");
1294 * A curl error occured.
1295 * @param msg The error message
1296 * @param curl_err_code The resulting curl error code
1298 void Logger::print_curl_error_init(const std::string& err_msg, const CURLcode curl_err_code) const
1300 string curl_err = "";
1302 if ( curl_err_code == CURLE_FAILED_INIT )
1303 curl_err = "CURLE_FAILED_INIT";
1305 curl_err = "UNKNOWN";
1308 if ( (level <= Loglevel) )
1311 msg << "Curl error: " << err_msg << " Curl error code: " << curl_err_code << " " << curl_err << endl; /*lint !e641 */
1312 log_error(msg.str());
1318 * A curl error occured.
1319 * @param url The url requested by the curl operation
1320 * @param curl_err_code The resulting curl error code
1322 void Logger::print_curl_error(const string& url, const CURLcode curl_err_code) const
1324 string curl_err = "";
1326 if ( curl_err_code == CURLE_URL_MALFORMAT )
1327 curl_err = "CURLE_URL_MALFORMAT";
1328 else if ( curl_err_code == CURLE_COULDNT_RESOLVE_HOST )
1329 curl_err = "CURLE_COULDNT_RESOLVE_HOST";
1330 else if ( curl_err_code == CURLE_COULDNT_CONNECT )
1331 curl_err = "CURLE_COULDNT_CONNECT";
1333 curl_err = "UNKNOWN";
1336 if ( (level <= Loglevel) )
1339 msg << "Curl error while requesting following url: " << url << " Curl error code: " << curl_err_code << " " << curl_err << endl; /*lint !e641 */
1340 log_error(msg.str());
1346 * A curl error occured.
1347 * @param url The url requested by the curl operation
1348 * @param curl_err_code The resulting curl error code
1349 * @param curl_err_buff The curl error buffer
1351 void Logger::print_curl_error(const string& url, const CURLcode curl_err_code, const char * curl_err_buff) const
1353 string curl_err = "";
1355 if ( curl_err_code == CURLE_URL_MALFORMAT )
1356 curl_err = "CURLE_URL_MALFORMAT";
1357 else if ( curl_err_code == CURLE_COULDNT_RESOLVE_HOST )
1358 curl_err = "CURLE_COULDNT_RESOLVE_HOST";
1359 else if ( curl_err_code == CURLE_COULDNT_CONNECT )
1360 curl_err = "CURLE_COULDNT_CONNECT";
1362 curl_err = "UNKNOWN";
1365 if ( (level <= Loglevel) )
1368 msg << "Curl error while requesting following url: " << url << " Curl error code: " << curl_err_code << " " << curl_err << " " << curl_err_buff << endl; /*lint !e641 */
1369 log_error(msg.str());
1375 * Prints out the data received by curl operation
1376 * @param CurlWritedataBuff
1378 void Logger::print_curl_data(const string& curl_writedata_buff) const
1381 if ( level <= Loglevel )
1384 msg << "Data received by curl: " << curl_writedata_buff << endl;
1385 log_notice(msg.str());
1391 * Not authorized to perform requested update operation
1392 * @param service The requested service.
1393 * @param username Username
1394 * @param password Password
1396 void Logger::print_service_not_authorized(const string& service, const string& username, const string& password) const
1399 if ( level <= Loglevel )
1402 msg << "Not authorized to perform update operation on service: " << service << " Please check username and password: " << username << ":" << password << endl;
1403 log_notice(msg.str());
1409 * Prints out the http status code
1411 * @param output HTTP status code
1413 void Logger::print_http_status_code(const string& url, const long http_code) const
1416 if ( level <= Loglevel )
1419 msg << "Requested URL: " << url << " Received HTTP status code: " << http_code << endl;
1420 log_notice(msg.str());
1426 * Generic failure while trying to update service
1427 * @param url The requested URL
1428 * @param curl_data The received curl_data from the server
1430 void Logger::print_update_failure(const string& url, const string& curl_data) const
1433 if ( (level <= Loglevel) )
1436 msg << "Problem while trying to updating service. Requested URL: " << url << " Error Code from Server: " << curl_data << endl;
1437 log_error(msg.str());
1443 * Generic failure while trying to update service
1444 * @param url The requested URL
1445 * @param http_status_code The received http status code
1447 void Logger::print_update_failure(const string& url, const long http_status_code) const
1450 if ( level <= Loglevel )
1453 msg << "Problem while trying to updating service. Requested URL: " << url << " Error Code from Server: " << http_status_code << endl;
1454 log_error(msg.str());
1459 * Hostname is invalid, contains no or only one domain part.
1460 * @param hostname The full qualified host name.
1462 void Logger::print_invalid_hostname(const string& hostname)
1465 if ( (level <= Loglevel) || ((level <= ExternalWarningLevel) && (!ExternalWarningLog.empty())) )
1468 msg << "The configured hostname: " << hostname << " is invalid. Please add the corresponding domain part." << endl;
1469 log_warning(msg.str(),level);
1475 * An IP in a private range was detected
1476 * @param ip The private IP
1478 void Logger::print_ip_is_local(const string& ip)
1481 if ( (level <= Loglevel) || ((level <= ExternalWarningLevel) && (!ExternalWarningLog.empty())) )
1484 msg << "The detected IP is within a private IP range: " << ip << endl;
1485 log_warning(msg.str(),level);
1491 * Regex is matching in string
1492 * @param regex The regex pattern
1493 * @param matching_string The string
1495 void Logger::print_regex_match(const string& regex, const string& matching_string) const
1498 if ( level <= Loglevel )
1501 msg << "Regex: " << regex << " is matching in: " << matching_string << endl;
1502 log_notice(msg.str());
1508 * Regex is not matching
1509 * @param regex Regex
1510 * @param not_matching_string String
1512 void Logger::print_no_regex_match(const string& regex, const string& not_matching_string)
1515 if ( (level <= Loglevel) || ((level <= ExternalWarningLevel) && (!ExternalWarningLog.empty())) )
1518 msg << "Regex: " << regex << " is not matching in: " << not_matching_string << endl;
1519 log_warning(msg.str(),level);
1525 * Could not parse gnudip initial reply.
1526 * @param curl_data The data received from gnudip server which should contain salt, time and sign.
1528 void Logger::print_could_not_parse_received_data(const string& curl_data) const
1531 if ( (level <= Loglevel) )
1534 msg << "Could not parse salt, time and sign from initial gnudip server reply: " << curl_data << endl;
1535 log_error(msg.str());
1541 * Gnudip salt, time and sign could not be got from map
1543 void Logger::print_could_not_get_initial_gnudip_data() const
1546 if ( (level <= Loglevel) )
1548 log_error("Could not get salt, time and sign from map.");
1555 * Gnudip protocol requires explicit declaration of a servername.
1557 void Logger::print_gnudip_requires_servername()
1560 if ( (level <= Loglevel) || ((level <= ExternalWarningLevel) && (!ExternalWarningLog.empty())) )
1562 log_warning("Gnudip requires explicit definition of servername via config!",level);
1568 * An exception occured while computing the md5 sum.
1569 * @param what The exception occured.
1571 void Logger::print_exception_md5_sum(const string& what) const
1574 if ( level <= Loglevel )
1577 msg << "An exception occured while computing a md5 sum: " << what << endl;
1578 log_error(msg.str());
1584 * A network exception occured.
1585 * @param what The exception occured.
1587 void Logger::print_network_error(const string& what) const
1590 if ( level <= Loglevel )
1593 msg << "A network exception occured: " << what << endl;
1594 log_error(msg.str());
1600 * An undefined protocol error occured.
1601 * @param protocol The protocol
1602 * @param error The error
1604 void Logger::print_undefined_protocol_error(const string& protocol, const string& error) const
1607 if ( level <= Loglevel )
1610 msg << "An undefined protocol error occured. Protocol: " << protocol << " Error: " << error << endl;
1611 log_error(msg.str());
1616 * Error while trying to log through external program.
1617 * @param external_prog The external program called.
1619 void Logger::print_error_external_logging(const string& external_prog) const
1622 if ( level <= Loglevel )
1625 msg << "Error while trying to log through external program: " << external_prog << endl;
1626 log_notice(msg.str());
1632 * Error while parsing config file.
1633 * @param error Error occured.
1634 * @param config_file Config file.
1636 void Logger::print_error_parsing_config_file(const string& filename, const string& error) const
1639 if ( level <= Loglevel )
1642 msg << "Error while parsing config file: " << filename << " Error: " << error << endl;
1643 log_notice(msg.str());
1649 * Error while parsing cmd option
1650 * @param error Error
1652 void Logger::print_error_parsing_cmd(const string& error) const
1655 if ( level <= Loglevel )
1658 msg << "Error while parsing cmd options: " << error << endl;
1659 log_error(msg.str());
1665 * The webcheck interval was exceeded, so webcheck not allowed.
1666 * @param last_webcheck Time of last webcheck.
1667 * @param webcheck_interval Webcheck interval time in seconds.
1668 * @param current_time Current system time.
1670 void Logger::print_webcheck_exceed_interval( const time_t last_webcheck, const int webcheck_interval, const time_t current_time ) const
1673 if ( level <= Loglevel )
1676 msg << "Skipped webcheck in idle period (" << (last_webcheck+webcheck_interval)-current_time << " more seconds";
1677 msg << ", last_webcheck: " << last_webcheck << ", webcheck_interval(sec): " << webcheck_interval << ")" << endl;
1678 log_notice(msg.str());
1684 * Checking if hosts needs update.
1685 * @param hostname Hostname
1686 * @param current_time Current time
1687 * @param lastupdated Last updated
1689 void Logger::print_check_service_update(const string& hostname, const time_t current_time, const time_t lastupdated) const
1692 if ( level <= Loglevel )
1695 msg << "Checking if host: " << hostname << " needs update. Current time: " << current_time << " Last updated: " << lastupdated << endl;
1696 log_notice(msg.str());
1703 * @param hostname Hostname
1704 * @param ip_dns_recheck DNS recheck IP
1705 * @param ip_last_update IP set in last update
1706 * @param ip_host Hosts' IP
1708 void Logger::print_cached_dns_entry(const string& hostname, const string& ip_dns_recheck, const string& ip_last_update, const string& ip_host) const
1711 if ( level <= Loglevel )
1714 msg << "Cached DNS record for host <" << hostname << "> : " << ip_dns_recheck << " Last updated IP: " << ip_last_update << " Hosts IP: " << ip_host << endl;
1715 log_notice(msg.str());
1722 * @param hostname Hostname
1723 * @param ip_dns_recheck Cached DNS entry
1724 * @param ip_last_update IP set in last update
1725 * @param ip_host Hosts IP
1726 * @param lastupdated Lastupdated
1728 void Logger::print_update_service(const string& hostname, const string& ip_dns_recheck, const string& ip_last_update, const string& ip_host, const time_t lastupdated) const{
1730 if ( level <= Loglevel )
1733 msg << "Updating service. Hostname: " << hostname << " DNS-Record: " << ip_dns_recheck << " IP set in last update: " << ip_last_update << " Lastupdated: " << lastupdated << " Hosts IP: " << ip_host << endl;
1734 log_notice(msg.str());
1741 * @param hostname Hostname
1742 * @param ip_dns_recheck Cached DNS entry
1743 * @param ip_last_update IP set in last update
1744 * @param ip_host Hosts IP
1745 * @param lastupdated Last updated
1746 * @param dns_cache_ttl DNS cache ttl
1747 * @param current_time Current time
1749 void Logger::print_update_service_ttl_expired(const string& hostname, const string& ip_dns_recheck, const string& ip_last_update, const string& ip_host, const time_t lastupdated, const int dns_cache_ttl, const time_t current_time) const
1752 if ( level <= Loglevel )
1755 msg << "TTL for service expired and still pointing to old IP. Hostname: " << hostname << " DNS-Record: " << ip_dns_recheck << " IP set in last update: " << ip_last_update << " Lastupdated: " << lastupdated << "DNS Cache TTL: " << dns_cache_ttl << " Current Time: " << current_time << " Hosts IP: " << ip_host << endl;
1756 log_notice(msg.str());
1763 * @param override_log_level Override log level with zero if true
1764 * @param hostname Hostname
1765 * @param ip_dns_recheck Cached DNS entry
1766 * @param ip_last_update IP set in last update
1767 * @param ip_host Hosts IP
1768 * @param lastupdated Last updated
1769 * @param dns_cache_ttl DNS cache ttl
1770 * @param current_time Current time
1772 void Logger::print_update_service_ttl_not_expired(bool override_log_level, const string& hostname, const string& ip_dns_recheck, const string& ip_last_update, const string& ip_host, const time_t lastupdated, const int dns_cache_ttl, const time_t current_time) const
1776 if (override_log_level)
1779 if ( level <= Loglevel )
1782 msg << "Waiting for DNS cache TTL to expire. Hostname: " << hostname << " DNS-Record: " << ip_dns_recheck << " IP set in last update: " << ip_last_update << " Lastupdated: " << lastupdated << "DNS Cache TTL: " << dns_cache_ttl << " Current Time: " << current_time << " Hosts IP: " << ip_host << endl;
1783 log_notice(msg.str());
1790 * @param override_log_level Override log level with zero if true
1791 * @param hostname Hostname
1792 * @param ip_dns_recheck Cached DNS entry
1793 * @param ip_last_update IP set in last update
1794 * @param ip_host Hosts IP
1795 * @param lastupdated Last updated
1797 void Logger::print_no_update_needed(bool override_log_level, const string& hostname, const string& ip_dns_recheck, const string& ip_last_update, const string& ip_host, const time_t lastupdated) const
1801 if (override_log_level)
1804 if ( level <= Loglevel )
1807 msg << "No update needed for host: " << hostname << " Cached DNS record: " << ip_dns_recheck << " IP set in last update: " << ip_last_update << " Hosts IP: " << ip_host << " Last updated: " << lastupdated << endl;
1808 log_notice(msg.str());
1814 * Error while trying to get local wan interface IP address through getifaddrs.
1815 * @param error The system call which raised the error.
1816 * @param error The error set by getifaddrs.
1818 void Logger::print_error_getting_local_wan_ip(const std::string& system_call, const std::string& error) const
1821 if ( level <= Loglevel )
1824 msg << "Error while trying to get local wan interface IP address through '" << system_call << "': " << error << endl;
1825 log_error(msg.str());
1831 * Could not get IP address of local wan interface.
1832 * @param override_log_level Override log level with zero if true
1834 void Logger::print_no_wan_ip(bool override_log_level) const
1838 if (override_log_level)
1841 if ( level <= Loglevel )
1844 msg << "Could not get IP address of local wan interface. Will retry later." << endl;
1845 log_error(msg.str());
1850 * Print extenral WAN IP
1851 * @param override_log_level Override log level with zero if true
1852 * @param ip External WAN IP
1854 void Logger::print_external_wan_ip(bool override_log_level, const std::string &ip) const
1858 if (override_log_level)
1861 if ( level <= Loglevel )
1864 msg << "Determined WAN interface IP: " << ip << endl;
1865 log_error(msg.str());
1870 * Could not resolve current IP for DNS name
1871 * @param override_log_level Override log level with zero if true
1873 void Logger::print_dns_lookup_failed(bool override_log_level, const std::string &hostname) const
1877 if (override_log_level)
1880 if ( level <= Loglevel )
1883 msg << "Could not resolve IP address for host " << hostname << ". Will retry later." << endl;
1884 log_error(msg.str());
1890 * Invalid service config was detected.
1892 void Logger::print_invalid_service_config() const
1895 if ( level <= Loglevel )
1897 log_error("Ignoring invalid service. Please check.\n");
1903 * Print simple message.
1905 void Logger::print_msg( const string& msg ) const
1908 if ( level <= Loglevel )