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 the update is 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());
391 * Service is blocked for update because of too many errors
392 * @param service The service for which the update is running.
393 * @param remaining_seconds Remaining seconds this service is blocked
395 void Logger::print_update_service_is_blocked(const std::string& service, int remaining_seconds) const
398 if ( level <= Loglevel )
401 msg << "Service " << service << " is blocked for " << remaining_seconds << " seconds because of too many errors" << endl;
402 log_notice(msg.str());
408 * Service will be blocked because of update errors
409 * @param service The service for which the update is running.
410 * @param block_seconds Number of seconds this service is blocked
412 void Logger::print_block_service(const std::string& service, int block_seconds) const
415 if ( level <= Loglevel )
418 msg << "Service " << service << " will be blocked for " << block_seconds << " seconds because of too many errors" << endl;
419 log_notice(msg.str());
425 * An unknown option on the command line was detected.
426 * @param unknown_option The unknown option.
428 void Logger::print_unknown_cmd_option(const string& unknown_option) const
431 if ( level <= Loglevel )
434 msg << "Unknown option on command line detected: " << unknown_option << endl;
435 log_error(msg.str());
441 * An unknown protocol was specified.
442 * @param protocol The unknown protocol.
444 void Logger::print_unknown_protocol(const string& protocol) const
447 if ( level <= Loglevel )
450 msg << "Unknown protocol defined: " << protocol << endl;
451 log_error(msg.str());
457 * Loading a service config file.
458 * @param filename The service config file.
460 void Logger::print_load_service_conf(const string& filename) const
463 if ( level <= Loglevel )
466 msg << "Loading service config file: " << filename << endl;
467 log_notice(msg.str());
473 * Loading the main config file.
474 * @param filename The main config file.
476 void Logger::print_load_main_conf(const string& filename) const
479 if ( level <= Loglevel )
482 msg << "Loading main config file: " << filename << endl;
483 log_notice(msg.str());
489 * There is an unknown option in a service config file.
490 * @param unknown_option The unknown option.
492 void Logger::print_unknown_service_conf_option(const string& service_conf_file, const string& unknown_option) const
495 if ( level <= Loglevel )
498 msg << "Unknown option in service config file detected: " << service_conf_file << " Unknown option: " << unknown_option << endl;
499 log_error(msg.str());
505 * There is an unknown option in the main config file.
506 * @param unknown_option The unknown option.
508 void Logger::print_unknown_main_conf_option(const string& unknown_option) const
511 if ( level <= Loglevel )
514 msg << "Unknown option in main config file detected: " << unknown_option << endl;
515 log_error(msg.str());
521 * The defined config path doesn't exist or is not a directory.
522 * @param config_path The defined config path.
524 void Logger::print_error_config_path(const string& config_path) const
527 if ( level <= Loglevel )
530 msg << "Config path doesn't exists or is not a diretory: " << config_path << endl;
531 log_error(msg.str());
537 * There is a missing command line option to initialize a service object.
539 void Logger::print_missing_cmd_service_option() const
542 if ( level <= Loglevel )
544 log_error("Missing option to initialize service. Protocol, host, login and password must be specified.");
550 * Missing option in service config file.
551 * @param service_conf_file Service config file
553 void Logger::print_missing_service_conf_option(const string& service_conf_file) const
556 if ( level <= Loglevel )
559 msg << "Missing option in service config file " << service_conf_file << " to initialize service. Protocol, host, login and password must be specified." << endl;
560 log_error(msg.str());
566 * Process running as daemon.
567 * @param pid The pid of the daemon.
569 void Logger::print_runnig_as_daemon(const int pid) const
572 if ( level <= Loglevel )
575 msg << "Running as daemon: " << pid << endl;
576 log_notice(msg.str());
582 * Prints out the daemon mode.
583 * @param daemon_mode The daemon mode.
585 void Logger::print_daemon_mode(const bool daemon_mode) const
588 if ( level <= Loglevel )
590 string mode = "disabled";
591 if (daemon_mode == true)
594 msg << "Daemon mode is " << mode << "." << endl;
595 log_notice(msg.str());
601 * There was an error while trying to fork.
603 void Logger::print_error_fork() const
606 if ( level <= Loglevel )
608 log_error("Error while trying to fork.");
614 * A pid in the pidfile was found.
615 * @param pid The pid found in the pidfile.
617 void Logger::print_pid_found(const int pid) const
620 if ( level <= Loglevel )
623 msg << "Pidfile found: " << pid << ". Checking if process is still runnig..." << endl;
624 log_notice(msg.str());
630 * Another process is already running.
631 * @param pid The pid of the other process.
633 void Logger::print_process_already_running(const int pid) const
636 if ( level <= Loglevel )
639 msg << "Another bpdyndnsd process with PID " << pid << " is already running!" << endl;
640 log_error(msg.str());
648 void Logger::print_caught_sigterm() const
651 if ( level <= Loglevel )
653 log_notice("Caught SIGTERM. Exiting...");
661 void Logger::print_caught_siguser1() const
664 if ( level <= Loglevel )
666 log_notice("Caught SIGUSR1. Switching to offline mode...");
674 void Logger::print_caught_sighup() const
677 if ( level <= Loglevel )
679 log_notice("Caught SIGHUP. Reloading config...");
687 void Logger::print_caught_siguser2() const
690 if ( level <= Loglevel )
692 log_notice("Caught SIGUSR2. Switching to online mode...");
700 void Logger::print_caught_sigrtmin() const
703 if ( level <= Loglevel )
705 log_notice("Caught SIGRTMIN. Switching to online mode with webcheck enabled...");
713 void Logger::print_caught_sigrtmax(int new_loglevel) const
716 if ( level <= Loglevel )
719 msg << "Caught SIGRTMAX. Increasing log level to " << new_loglevel << endl;
720 log_error(msg.str());
726 * Error while setting signal handler.
728 void Logger::print_error_setting_signal(const string& signal) const
731 if ( level <= Loglevel )
734 msg << "Error while setting signal handler for: " << signal << endl;
735 log_error(msg.str());
741 * Error while setting signal handler.
743 void Logger::print_init_log_facility() const
746 if ( level <= Loglevel )
749 msg << "Initialized logging facility." << " Loglevel: " << Loglevel << " Syslog: " << Syslog << " ExternalLogOnlyOnce: " << ExternalLogOnlyOnce << endl;
750 log_notice(msg.str());
756 * Be verbose. Currently we are in offline mode.
758 void Logger::print_offline_mode() const
761 if ( level <= Loglevel )
763 log_notice("Offline mode...");
769 * Dialup mode: Print how long we plan to delay the next network traffic
770 * @param sleep_until Timestamp until we plan to keep quiet
772 void Logger::print_sleep_dialup_mode(time_t sleep_until) const
775 if ( level <= Loglevel )
778 msg << "Skipped update in dialup mode (" << sleep_until-time(NULL) << " more seconds)" << endl;
779 log_error(msg.str());
784 * Objects successfully serialized.
786 void Logger::print_serialized_objects_success() const
789 if ( level <= Loglevel )
791 log_notice("Serialized objects successfully.");
797 * Objects successfully de-serialized.
799 void Logger::print_deserialized_objects_success() const
802 if ( level <= Loglevel )
804 log_notice("De-serialized objects successfully.");
810 * Prints out the content of a service object.
811 * @param message Message to be added on output first.
812 * @param protocol Service's protocol.
813 * @param hostname Service's hostname.
814 * @param login Service's login.
815 * @param password Service's password.
816 * @param actual_ip Service's actual_ip.
817 * @param lastupdated Service's lastupdated.
818 * @param activated Service's activated.
820 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 max_equal_updates_in_succession, const int dns_cache_ttl , const string& actual_ip, std::map<time_t,std::string> lastupdated, const bool activated) const
823 if ( level <= Loglevel )
826 msg << message << endl;
827 msg << "\t" << "Protocol: " << protocol << endl;
828 msg << "\t" << "Hostname: " << hostname << endl;
829 msg << "\t" << "Login: " << login << endl;
830 msg << "\t" << "Password: " << password << endl;
831 msg << "\t" << "Update Interval: " << update_interval << endl;
832 msg << "\t" << "Max Updates: " << max_updates_within_interval << endl;
833 msg << "\t" << "Max equal Updates:" << max_equal_updates_in_succession << endl;
834 msg << "\t" << "DNS Cache TTL: " << dns_cache_ttl << endl;
835 msg << "\t" << "Actual_IP: " << actual_ip << endl;
836 for ( std::map<time_t,std::string>::reverse_iterator r_iter = lastupdated.rbegin(); r_iter != lastupdated.rend(); r_iter++ )
838 msg << "\t" << "Lastupdated: " << r_iter->first << " -> " << r_iter->second << endl;
840 msg << "\t" << "Activated: " << activated << endl;
841 log_notice(msg.str());
847 * Caught exception while serialize.
848 * @param exception Exception message.
850 void Logger::print_exception_serialize(const string& errMsg) const
853 if ( level <= Loglevel )
856 msg << "Error while trying to serialize Serviceholder object: " << errMsg << endl;
857 log_error(msg.str());
863 * Caught exception while de-serialize.
864 * @param exception Exception message.
866 void Logger::print_exception_deserialize(const string& errMsg) const
869 if ( level <= Loglevel )
872 msg << "Error while trying to de-serialize Serviceholder object: " << errMsg << ". Continue without recovering state from old services!" << endl;
873 log_error(msg.str());
879 * Child couldn't be killed by parent.
880 * @param pid Pid of the child.
882 void Logger::print_error_kill_child(const int pid) const
885 if ( level <= Loglevel )
888 msg << "Could not kill child process with PID: " << pid << endl;
889 log_error(msg.str());
895 * Child was killed by parent because of error.
896 * @param pid The pid (child) killed.
898 void Logger::print_child_killed(const int pid) const
901 if ( level <= Loglevel )
904 msg << "Killed child process with PID: " << pid << endl;
905 log_notice(msg.str());
911 * There is no object file.
912 * @param object_file The object file.
914 void Logger::print_no_object_file(const string& object_file)
917 if ( (level <= Loglevel) || ((level <= ExternalWarningLevel) && (!ExternalWarningLog.empty())) )
920 msg << "There is no object file: " << object_file << ". Continue without recovering state from old services!" << endl;
921 log_warning(msg.str(),level);
927 * Prints out the given hostname
928 * @param hostname Hostname as string.
930 void Logger::print_hostname(const string& hostname) const
933 if ( level <= Loglevel )
936 msg << "Detected following hostname of localhost: " << hostname << endl;
937 log_notice(msg.str());
943 * Prints out the detected own ipv4 address
944 * @param ip_addr String representation of the detected ip.
946 void Logger::print_own_ipv4(const string& ip_addr_v4, const string& hostname) const
949 if ( level <= Loglevel )
952 msg << "Detected following IPv4-Address of host: " << hostname << " : " << ip_addr_v4 << endl;
953 log_notice(msg.str());
959 * Prints out the detected own ipv5 address
960 * @param ip_addr String representation of the detected ip.
962 void Logger::print_own_ipv6(const string& ip_addr_v6, const string& hostname) const
965 if ( level <= Loglevel )
968 msg << "Detected following IPv6-Address of host: " << hostname << " : " << ip_addr_v6 << endl;
969 log_notice(msg.str());
975 * Exception while trying to resolve hostname to ip.
976 * @param exception The exception caught.
977 * @param hostname The hostname.
979 void Logger::print_error_hostname_to_ip(const string& errMsg, const string& hostname) const
982 if ( level <= Loglevel )
985 msg << "Could not resolve the hostname: " << hostname << " to an IP-Address: " << errMsg << endl;
986 log_error(msg.str());
992 * The update of the given service was successful.
993 * @param service The service.
995 void Logger::print_update_service_successful(const string& service) const
998 if ( level <= Loglevel )
1001 msg << "Updated service successful: " << service << endl;
1002 log_notice(msg.str());
1008 * No ip could be determined through webcheck
1010 void Logger::print_webcheck_no_ip()
1013 if ( (level <= Loglevel) || ((level <= ExternalWarningLevel) && (!ExternalWarningLog.empty())) )
1015 log_warning("IP-Address of this host could not be determined through any configured webcheck url.",level);
1021 * Connection problem while trying to get ip through webcheck url
1022 * @param curl_err_buff Curl error message
1023 * @param url the url
1025 void Logger::print_webcheck_url_connection_problem(const char * curl_err_buff, const string& url)
1028 if ( (level <= Loglevel) || ((level <= ExternalWarningLevel) && (!ExternalWarningLog.empty())) )
1031 msg << "There was a problem while trying to connect to following URL: " << url << " CURL error: " << curl_err_buff << endl;
1032 log_warning(msg.str(),level);
1038 * Prints out curl error.
1039 * @param curl_err_buff Curl error message.
1042 void Logger::print_webcheck_error(const char * curl_err_buff, const string& url) const
1045 if ( level <= Loglevel )
1048 msg << "There was an error while trying to connect to following URL: " << url << " CURL error: " << curl_err_buff << endl;
1049 log_error(msg.str());
1055 * Prints out the received data through curl.
1056 * @param curl_data Data string
1058 void Logger::print_received_curl_data(const string& curl_data) const
1061 if ( level <= Loglevel )
1064 msg << "Received CURL data: " << curl_data << endl;
1065 log_notice(msg.str());
1071 * IP was foudn through regex
1072 * @param ip The IP found.
1074 void Logger::print_regex_found_ip(const string& ip) const
1077 if ( level <= Loglevel )
1080 msg << "Found IP-Address via regex: " << ip << endl;
1081 log_notice(msg.str());
1087 * No IP was found through regex.
1088 * @param data The data string which should contain a valid IP.s
1090 void Logger::print_regex_ip_not_found(const string& data)
1093 if ( (level <= Loglevel) || ((level <= ExternalWarningLevel) && (!ExternalWarningLog.empty())) )
1096 msg << "Could not extract an IP-Address via regex from following data:\n" << data << endl;
1097 log_warning(msg.str(),level);
1103 * Detected multiple occurrences of the same option.
1104 * @param message Error message.
1106 void Logger::print_multiple_cmd_option(const string& message) const
1109 if ( level <= Loglevel )
1112 msg << "The same option is only allowed once: " << message << endl;
1113 log_error(msg.str());
1119 * An update would exceed the update interval. Prints out a warning message.
1120 * @param override_log_level Override log level with zero if true
1121 * @param current_time Current time.
1122 * @param old_time Time of update #MaxUpdatesWithinInterval ago.
1123 * @param MaxUpdatesWithinInterval Number of allowed updates in one update interval.
1124 * @param service The service which exceeds update interval.
1126 void Logger::print_update_not_allowed(bool override_log_level, const time_t current_time, const time_t old_time, const int MaxUpdatesWithinInterval, const string& service)
1130 if (override_log_level)
1133 if ( (level <= Loglevel) || ((level <= ExternalWarningLevel) && (!ExternalWarningLog.empty())) )
1136 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;
1137 log_warning(msg.str(),level);
1143 * Failure while running update for service.
1144 * @param service Services' name.
1146 void Logger::print_update_service_failure(const string& service)
1149 if ( (level <= Loglevel) || ((level <= ExternalWarningLevel) && (!ExternalWarningLog.empty())) )
1152 msg << "Could not update service: " << service << endl;
1153 log_warning(msg.str(),level);
1160 void Logger::print_started() const
1163 if ( level <= Loglevel )
1165 log_notice("Started");
1173 void Logger::print_starting_shutdown() const
1176 if ( level <= Loglevel )
1178 log_notice("Shutting down ...");
1186 void Logger::print_shutdown_succeeded() const
1189 if ( level <= Loglevel )
1191 log_notice("Shutting down complete ...");
1197 * Shutdown parent succeeded
1199 void Logger::print_shutdown_parent_succeeded() const
1202 if ( level <= Loglevel )
1204 log_notice("Shutting down parent process completed ...");
1210 * Starting shutdown parent
1212 void Logger::print_starting_shutdown_parent() const
1215 if ( level <= Loglevel )
1217 log_notice("Shutting down parent process ...");
1223 * DNS cache record timeout
1224 * @param hostname Hostname
1225 * @param lastupdated Lastupdated
1226 * @param dns_cache_ttl DNS cache TTL
1227 * @param current_time Current time
1229 void Logger::print_recheck_dns_entry(const string& hostname, const int lastupdated, const int dns_cache_ttl, const int current_time) const
1232 if ( level <= Loglevel )
1235 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;
1236 log_notice(msg.str());
1242 * Missing proxy option on command line.
1244 void Logger::print_missing_cmd_proxy_option() const
1247 if ( level <= Loglevel )
1249 log_error("Missing option to initialize proxy. http_proxy and http_proxy_port must be specified.");
1255 * Multiple option in service config file.
1256 * @param service_conf_file Service config file
1257 * @param message Multiple option text
1259 void Logger::print_multiple_service_conf_option(const string& service_conf_file, const string& message) const
1262 if ( level <= Loglevel )
1265 msg << "Multiple occurrences of the same option in service config file detected: " << service_conf_file << " " << message << endl;
1266 log_error(msg.str());
1272 * Multiple option in main config file.
1273 * @param service_conf_file Service config file
1274 * @param message Multiple option text
1276 void Logger::print_multiple_main_conf_option(const string& main_conf_file, const string& message) const
1279 if ( level <= Loglevel )
1282 msg << "Multiple occurrences of the same option in main config file detected: " << main_conf_file << " " << message << endl;
1283 log_error(msg.str());
1289 * Missing proxy option in main config file.
1290 * @param main_conf_filename The concerning config file.
1292 void Logger::print_missing_conf_proxy_option(const string& main_conf_filename) const
1295 if ( level <= Loglevel )
1298 msg << "Missing option to initialize proxy in main config file: " << main_conf_filename << " http_proxy and http_proxy_port must be specified." << endl;
1299 log_error(msg.str());
1305 * There is no domain part in the given hostname
1306 * @param hostname The hostname with no domain part in it.
1308 void Logger::print_no_domain_part(const string& hostname) const
1311 if ( level <= Loglevel )
1314 msg << "There is no domain part in the given hostname: " << hostname << endl;
1315 log_notice(msg.str());
1321 * Service is not initialized properly.
1322 * @param service The service.
1324 void Logger::print_httphelper_not_initialized() const
1327 if ( level <= Loglevel )
1329 log_error("HTTP-Helper is not initialized properly.");
1335 * A curl error occured.
1336 * @param msg The error message
1337 * @param curl_err_code The resulting curl error code
1339 void Logger::print_curl_error_init(const std::string& err_msg, const CURLcode curl_err_code) const
1341 string curl_err = "";
1343 if ( curl_err_code == CURLE_FAILED_INIT )
1344 curl_err = "CURLE_FAILED_INIT";
1346 curl_err = "UNKNOWN";
1349 if ( (level <= Loglevel) )
1352 msg << "Curl error: " << err_msg << " Curl error code: " << curl_err_code << " " << curl_err << endl; /*lint !e641 */
1353 log_error(msg.str());
1359 * A curl error occured.
1360 * @param url The url requested by the curl operation
1361 * @param curl_err_code The resulting curl error code
1363 void Logger::print_curl_error(const string& url, const CURLcode curl_err_code) const
1365 string curl_err = "";
1367 if ( curl_err_code == CURLE_URL_MALFORMAT )
1368 curl_err = "CURLE_URL_MALFORMAT";
1369 else if ( curl_err_code == CURLE_COULDNT_RESOLVE_HOST )
1370 curl_err = "CURLE_COULDNT_RESOLVE_HOST";
1371 else if ( curl_err_code == CURLE_COULDNT_CONNECT )
1372 curl_err = "CURLE_COULDNT_CONNECT";
1374 curl_err = "UNKNOWN";
1377 if ( (level <= Loglevel) )
1380 msg << "Curl error while requesting following url: " << url << " Curl error code: " << curl_err_code << " " << curl_err << endl; /*lint !e641 */
1381 log_error(msg.str());
1387 * A curl error occured.
1388 * @param url The url requested by the curl operation
1389 * @param curl_err_code The resulting curl error code
1390 * @param curl_err_buff The curl error buffer
1392 void Logger::print_curl_error(const string& url, const CURLcode curl_err_code, const char * curl_err_buff) const
1394 string curl_err = "";
1396 if ( curl_err_code == CURLE_URL_MALFORMAT )
1397 curl_err = "CURLE_URL_MALFORMAT";
1398 else if ( curl_err_code == CURLE_COULDNT_RESOLVE_HOST )
1399 curl_err = "CURLE_COULDNT_RESOLVE_HOST";
1400 else if ( curl_err_code == CURLE_COULDNT_CONNECT )
1401 curl_err = "CURLE_COULDNT_CONNECT";
1403 curl_err = "UNKNOWN";
1406 if ( (level <= Loglevel) )
1409 msg << "Curl error while requesting following url: " << url << " Curl error code: " << curl_err_code << " " << curl_err << " " << curl_err_buff << endl; /*lint !e641 */
1410 log_error(msg.str());
1416 * Prints out the data received by curl operation
1417 * @param CurlWritedataBuff
1419 void Logger::print_curl_data(const string& curl_writedata_buff) const
1422 if ( level <= Loglevel )
1425 msg << "Data received by curl: " << curl_writedata_buff << endl;
1426 log_notice(msg.str());
1432 * Not authorized to perform requested update operation
1433 * @param service The requested service.
1434 * @param username Username
1435 * @param password Password
1437 void Logger::print_service_not_authorized(const string& service, const string& username, const string& password) const
1440 if ( level <= Loglevel )
1443 msg << "Not authorized to perform update operation on service: " << service << " Please check username and password: " << username << ":" << password << endl;
1444 log_notice(msg.str());
1450 * Prints out the http status code
1452 * @param output HTTP status code
1454 void Logger::print_http_status_code(const string& url, const long http_code) const
1457 if ( level <= Loglevel )
1460 msg << "Requested URL: " << url << " Received HTTP status code: " << http_code << endl;
1461 log_notice(msg.str());
1467 * Generic failure while trying to update service
1468 * @param url The requested URL
1469 * @param curl_data The received curl_data from the server
1471 void Logger::print_update_failure(const string& url, const string& curl_data) const
1474 if ( (level <= Loglevel) )
1477 msg << "Problem while trying to updating service. Requested URL: " << url << " Error Code from Server: " << curl_data << endl;
1478 log_error(msg.str());
1484 * Generic failure while trying to update service
1485 * @param url The requested URL
1486 * @param http_status_code The received http status code
1488 void Logger::print_update_failure(const string& url, const long http_status_code) const
1491 if ( level <= Loglevel )
1494 msg << "Problem while trying to updating service. Requested URL: " << url << " Error Code from Server: " << http_status_code << endl;
1495 log_error(msg.str());
1500 * Hostname is invalid, contains no or only one domain part.
1501 * @param hostname The full qualified host name.
1503 void Logger::print_invalid_hostname(const string& hostname)
1506 if ( (level <= Loglevel) || ((level <= ExternalWarningLevel) && (!ExternalWarningLog.empty())) )
1509 msg << "The configured hostname: " << hostname << " is invalid. Please add the corresponding domain part." << endl;
1510 log_warning(msg.str(),level);
1516 * An IP in a private range was detected
1517 * @param ip The private IP
1519 void Logger::print_ip_is_local(const string& ip)
1522 if ( (level <= Loglevel) || ((level <= ExternalWarningLevel) && (!ExternalWarningLog.empty())) )
1525 msg << "The detected IP is within a private IP range: " << ip << endl;
1526 log_warning(msg.str(),level);
1532 * Regex is matching in string
1533 * @param regex The regex pattern
1534 * @param matching_string The string
1536 void Logger::print_regex_match(const string& regex, const string& matching_string) const
1539 if ( level <= Loglevel )
1542 msg << "Regex: " << regex << " is matching in: " << matching_string << endl;
1543 log_notice(msg.str());
1549 * Regex is not matching
1550 * @param regex Regex
1551 * @param not_matching_string String
1553 void Logger::print_no_regex_match(const string& regex, const string& not_matching_string)
1556 if ( (level <= Loglevel) || ((level <= ExternalWarningLevel) && (!ExternalWarningLog.empty())) )
1559 msg << "Regex: " << regex << " is not matching in: " << not_matching_string << endl;
1560 log_warning(msg.str(),level);
1566 * Could not parse gnudip initial reply.
1567 * @param curl_data The data received from gnudip server which should contain salt, time and sign.
1569 void Logger::print_could_not_parse_received_data(const string& curl_data) const
1572 if ( (level <= Loglevel) )
1575 msg << "Could not parse salt, time and sign from initial gnudip server reply: " << curl_data << endl;
1576 log_error(msg.str());
1582 * Gnudip salt, time and sign could not be got from map
1584 void Logger::print_could_not_get_initial_gnudip_data() const
1587 if ( (level <= Loglevel) )
1589 log_error("Could not get salt, time and sign from map.");
1596 * Gnudip protocol requires explicit declaration of a servername.
1598 void Logger::print_gnudip_requires_servername()
1601 if ( (level <= Loglevel) || ((level <= ExternalWarningLevel) && (!ExternalWarningLog.empty())) )
1603 log_warning("Gnudip requires explicit definition of servername via config!",level);
1609 * An exception occured while computing the md5 sum.
1610 * @param what The exception occured.
1612 void Logger::print_exception_md5_sum(const string& what) const
1615 if ( level <= Loglevel )
1618 msg << "An exception occured while computing a md5 sum: " << what << endl;
1619 log_error(msg.str());
1625 * A network exception occured.
1626 * @param what The exception occured.
1628 void Logger::print_network_error(const string& what) const
1631 if ( level <= Loglevel )
1634 msg << "A network exception occured: " << what << endl;
1635 log_error(msg.str());
1641 * An undefined protocol error occured.
1642 * @param protocol The protocol
1643 * @param error The error
1645 void Logger::print_undefined_protocol_error(const string& protocol, const string& error) const
1648 if ( level <= Loglevel )
1651 msg << "An undefined protocol error occured. Protocol: " << protocol << " Error: " << error << endl;
1652 log_error(msg.str());
1657 * Error while trying to log through external program.
1658 * @param external_prog The external program called.
1660 void Logger::print_error_external_logging(const string& external_prog) const
1663 if ( level <= Loglevel )
1666 msg << "Error while trying to log through external program: " << external_prog << endl;
1667 log_notice(msg.str());
1673 * Error while parsing config file.
1674 * @param error Error occured.
1675 * @param config_file Config file.
1677 void Logger::print_error_parsing_config_file(const string& filename, const string& error) const
1680 if ( level <= Loglevel )
1683 msg << "Error while parsing config file: " << filename << " Error: " << error << endl;
1684 log_notice(msg.str());
1690 * Error while parsing cmd option
1691 * @param error Error
1693 void Logger::print_error_parsing_cmd(const string& error) const
1696 if ( level <= Loglevel )
1699 msg << "Error while parsing cmd options: " << error << endl;
1700 log_error(msg.str());
1706 * The webcheck interval was exceeded, so webcheck not allowed.
1707 * @param last_webcheck Time of last webcheck.
1708 * @param webcheck_interval Webcheck interval time in seconds.
1709 * @param current_time Current system time.
1711 void Logger::print_webcheck_exceed_interval( const time_t last_webcheck, const int webcheck_interval, const time_t current_time ) const
1714 if ( level <= Loglevel )
1717 msg << "Skipped webcheck in idle period (" << (last_webcheck+webcheck_interval)-current_time << " more seconds";
1718 msg << ", last_webcheck: " << last_webcheck << ", webcheck_interval(sec): " << webcheck_interval << ")" << endl;
1719 log_notice(msg.str());
1725 * Checking if hosts needs update.
1726 * @param hostname Hostname
1727 * @param current_time Current time
1728 * @param lastupdated Last updated
1730 void Logger::print_check_service_update(const string& hostname, const time_t current_time, const time_t lastupdated) const
1733 if ( level <= Loglevel )
1736 msg << "Checking if host: " << hostname << " needs update. Current time: " << current_time << " Last updated: " << lastupdated << endl;
1737 log_notice(msg.str());
1744 * @param hostname Hostname
1745 * @param ip_dns_recheck DNS recheck IP
1746 * @param ip_last_update IP set in last update
1747 * @param ip_host Hosts' IP
1749 void Logger::print_cached_dns_entry(const string& hostname, const string& ip_dns_recheck, const string& ip_last_update, const string& ip_host) const
1752 if ( level <= Loglevel )
1755 msg << "Cached DNS record for host <" << hostname << "> : " << ip_dns_recheck << " Last updated IP: " << ip_last_update << " Hosts IP: " << ip_host << endl;
1756 log_notice(msg.str());
1763 * @param hostname Hostname
1764 * @param ip_dns_recheck Cached DNS entry
1765 * @param ip_last_update IP set in last update
1766 * @param ip_host Hosts IP
1767 * @param lastupdated Lastupdated
1769 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{
1771 if ( level <= Loglevel )
1774 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;
1775 log_notice(msg.str());
1782 * @param hostname Hostname
1783 * @param ip_dns_recheck Cached DNS entry
1784 * @param ip_last_update IP set in last update
1785 * @param ip_host Hosts IP
1786 * @param lastupdated Last updated
1787 * @param dns_cache_ttl DNS cache ttl
1788 * @param current_time Current time
1790 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
1793 if ( level <= Loglevel )
1796 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;
1797 log_notice(msg.str());
1804 * @param override_log_level Override log level with zero if true
1805 * @param hostname Hostname
1806 * @param ip_dns_recheck Cached DNS entry
1807 * @param ip_last_update IP set in last update
1808 * @param ip_host Hosts IP
1809 * @param lastupdated Last updated
1810 * @param dns_cache_ttl DNS cache ttl
1811 * @param current_time Current time
1813 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
1817 if (override_log_level)
1820 if ( level <= Loglevel )
1823 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;
1824 log_notice(msg.str());
1831 * @param override_log_level Override log level with zero if true
1832 * @param hostname Hostname
1833 * @param ip_dns_recheck Cached DNS entry
1834 * @param ip_last_update IP set in last update
1835 * @param ip_host Hosts IP
1836 * @param lastupdated Last updated
1838 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
1842 if (override_log_level)
1845 if ( level <= Loglevel )
1848 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;
1849 log_notice(msg.str());
1855 * Error while trying to get local wan interface IP address through getifaddrs.
1856 * @param error The system call which raised the error.
1857 * @param error The error set by getifaddrs.
1859 void Logger::print_error_getting_local_wan_ip(const std::string& system_call, const std::string& error) const
1862 if ( level <= Loglevel )
1865 msg << "Error while trying to get local wan interface IP address through '" << system_call << "': " << error << endl;
1866 log_error(msg.str());
1872 * Could not get IP address of local wan interface.
1873 * @param override_log_level Override log level with zero if true
1875 void Logger::print_no_wan_ip(bool override_log_level) const
1879 if (override_log_level)
1882 if ( level <= Loglevel )
1885 msg << "Could not get IP address of local wan interface. Will retry later." << endl;
1886 log_error(msg.str());
1891 * Print extenral WAN IP
1892 * @param override_log_level Override log level with zero if true
1893 * @param ip External WAN IP
1895 void Logger::print_external_wan_ip(bool override_log_level, const std::string &ip) const
1899 if (override_log_level)
1902 if ( level <= Loglevel )
1905 msg << "Determined WAN interface IP: " << ip << endl;
1906 log_error(msg.str());
1911 * Could not resolve current IP for DNS name
1912 * @param override_log_level Override log level with zero if true
1914 void Logger::print_dns_lookup_failed(bool override_log_level, const std::string &hostname) const
1918 if (override_log_level)
1921 if ( level <= Loglevel )
1924 msg << "Could not resolve IP address for host " << hostname << ". Will retry later." << endl;
1925 log_error(msg.str());
1931 * Invalid service config was detected.
1933 void Logger::print_invalid_service_config() const
1936 if ( level <= Loglevel )
1938 log_error("Ignoring invalid service. Please check.\n");
1944 * Print simple message.
1946 void Logger::print_msg( const string& msg ) const
1949 if ( level <= Loglevel )
1957 * Print the last updates.
1958 * @param ip_host Actual host IP.
1959 * @param max_equal_updates_in_succession Maximal number of updates for the same IP in succession.
1960 * @param last_updates Map with the last updates in it.
1961 * @param hostname The service hostname.
1963 void Logger::print_last_updates( const std::string& ip_host, const time_t current_time, const int update_interval, const int max_updates_within_interval, const int max_equal_updates_in_succession, const std::map<time_t,std::string>& last_updates, const std::string& servicename ) const
1967 if ( level <= Loglevel )
1970 msg << "Last updates for " << servicename << " : ";
1974 for ( std::map<time_t,std::string>::const_reverse_iterator r_iter = last_updates.rbegin(); (r_iter != last_updates.rend()) && (i < max_equal_updates_in_succession); r_iter++ )
1976 msg << r_iter->first << "->" << r_iter->second;
1980 msg << ". Actual internet IP: " << ip_host
1981 << " Current time: " << current_time
1982 << " Update interval: " << update_interval
1983 << " Max updates within interval: " << max_updates_within_interval
1984 << " Max equal updates in succession: " << max_equal_updates_in_succession << endl;
1986 log_notice(msg.str());
1992 * Print the burnt IP.
1993 * @param ip_host Actual host IP which is burnt.
1994 * @param hostname The service hostname.
1996 void Logger::print_ip_burnt( const std::string& ip_host, const std::string& hostname ) const
1999 if ( level <= Loglevel )
2002 msg << "IP address " << ip_host << " was updated too often in succession, host " << hostname << " blocked until IP address will be different." << endl;
2003 log_error(msg.str());