1 /* +------------------------------------+
2 * | Inspire Internet Relay Chat Daemon |
3 * +------------------------------------+
5 * InspIRCd: (C) 2002-2007 InspIRCd Development Team
6 * See: http://www.inspircd.org/wiki/index.php/Credits
8 * This program is free but copyrighted software; see
9 * the file COPYING for details.
11 * ---------------------------------------------------
14 #ifndef __INSPIRCD_H__
15 #define __INSPIRCD_H__
20 #define printf_c printf
22 #include "inspircd_win32wrapper.h"
23 /** Windows defines these already */
31 #include "inspircd_config.h"
37 #include "socketengine.h"
38 #include "command_parse.h"
40 #include "cull_list.h"
41 #include "filelogger.h"
45 * Used to define the maximum number of parameters a command may have.
47 #define MAXPARAMETERS 127
49 /** Returned by some functions to indicate failure.
53 /** Support for librodent -
54 * see http://www.chatspike.net/index.php?z=64
56 #define ETIREDHAMSTERS EAGAIN
58 /** Delete a pointer, and NULL its value
60 template<typename T> inline void DELETE(T* x)
66 /** Template function to convert any input type to std::string
68 template<typename T> inline std::string ConvNumeric(const T &in)
70 if (in == 0) return "0";
75 *out = "0123456789"[ std::abs( (long)quotient % 10 ) ];
82 std::reverse(res,out);
86 /** Template function to convert any input type to std::string
88 inline std::string ConvToStr(const int in)
90 return ConvNumeric(in);
93 /** Template function to convert any input type to std::string
95 inline std::string ConvToStr(const long in)
97 return ConvNumeric(in);
100 /** Template function to convert any input type to std::string
102 inline std::string ConvToStr(const unsigned long in)
104 return ConvNumeric(in);
107 /** Template function to convert any input type to std::string
109 inline std::string ConvToStr(const char* in)
114 /** Template function to convert any input type to std::string
116 inline std::string ConvToStr(const bool in)
118 return (in ? "1" : "0");
121 /** Template function to convert any input type to std::string
123 inline std::string ConvToStr(char in)
125 return std::string(in,1);
128 /** Template function to convert any input type to std::string
130 template <class T> inline std::string ConvToStr(const T &in)
132 std::stringstream tmp;
133 if (!(tmp << in)) return std::string();
137 /** Template function to convert any input type to any other type
138 * (usually an integer or numeric type)
140 template<typename T> inline long ConvToInt(const T &in)
142 std::stringstream tmp;
143 if (!(tmp << in)) return 0;
144 return atoi(tmp.str().c_str());
147 /** Template function to convert integer to char, storing result in *res and
148 * also returning the pointer to res. Based on Stuart Lowe's C/C++ Pages.
149 * @param T input value
150 * @param V result value
151 * @param R base to convert to
153 template<typename T, typename V, typename R> inline char* itoa(const T &in, V *res, R base)
155 if (base < 2 || base > 16) { *res = 0; return res; }
159 *out = "0123456789abcdef"[ std::abs( quotient % base ) ];
163 if ( in < 0 && base == 10) *out++ = '-';
164 std::reverse( res, out );
169 /** This class contains various STATS counters
170 * It is used by the InspIRCd class, which internally
171 * has an instance of it.
173 class serverstats : public classbase
176 /** Number of accepted connections
178 unsigned long statsAccept;
179 /** Number of failed accepts
181 unsigned long statsRefused;
182 /** Number of unknown commands seen
184 unsigned long statsUnknown;
185 /** Number of nickname collisions handled
187 unsigned long statsCollisions;
188 /** Number of DNS queries sent out
190 unsigned long statsDns;
191 /** Number of good DNS replies received
192 * NOTE: This may not tally to the number sent out,
193 * due to timeouts and other latency issues.
195 unsigned long statsDnsGood;
196 /** Number of bad (negative) DNS replies received
197 * NOTE: This may not tally to the number sent out,
198 * due to timeouts and other latency issues.
200 unsigned long statsDnsBad;
201 /** Number of inbound connections seen
203 unsigned long statsConnects;
204 /** Total bytes of data transmitted
207 /** Total bytes of data received
210 /** Cpu usage at last sample
213 /** Time last sample was read
216 /** The constructor initializes all the counts to zero
219 : statsAccept(0), statsRefused(0), statsUnknown(0), statsCollisions(0), statsDns(0),
220 statsDnsGood(0), statsDnsBad(0), statsConnects(0), statsSent(0.0), statsRecv(0.0)
225 /** A list of failed port bindings, used for informational purposes on startup */
226 typedef std::vector<std::pair<std::string, long> > FailedPortList;
228 /** A list of ip addresses cross referenced against clone counts */
229 typedef std::map<irc::string, unsigned int> clonemap;
233 DEFINE_HANDLER1(ProcessUserHandler, void, userrec*);
234 DEFINE_HANDLER1(IsNickHandler, bool, const char*);
235 DEFINE_HANDLER1(IsIdentHandler, bool, const char*);
236 DEFINE_HANDLER1(FindDescriptorHandler, userrec*, int);
237 DEFINE_HANDLER1(FloodQuitUserHandler, void, userrec*);
239 /* Forward declaration - required */
242 /** The main class of the irc server.
243 * This class contains instances of all the other classes
244 * in this software, with the exception of the base class,
245 * classbase. Amongst other things, it contains a ModeParser,
246 * a DNS object, a CommandParser object, and a list of active
247 * Module objects, and facilities for Module objects to
248 * interact with the core system it implements. You should
249 * NEVER attempt to instantiate a class of type InspIRCd
250 * yourself. If you do, this is equivalent to spawning a second
251 * IRC server, and could have catastrophic consequences for the
252 * program in terms of ram usage (basically, you could create
253 * an obese forkbomb built from recursively spawning irc servers!)
255 class CoreExport InspIRCd : public classbase
258 /** Holds the current UID. Used to generate the next one.
260 char current_uid[UUID_LENGTH];
262 /** Set up the signal handlers
266 /** Daemonize the ircd and close standard input/output streams
267 * @return True if the program daemonized succesfully
271 /** Iterate the list of InspSocket objects, removing ones which have timed out
272 * @param TIME the current time
274 void DoSocketTimeouts(time_t TIME);
276 /** Perform background user events such as PING checks
277 * @param TIME the current time
279 void DoBackgroundUserStuff(time_t TIME);
281 /** Returns true when all modules have done pre-registration checks on a user
282 * @param user The user to verify
283 * @return True if all modules have finished checking this user
285 bool AllModulesReportReady(userrec* user);
287 /** Logfile pathname specified on the commandline, or empty string
289 char LogFileName[MAXBUF];
291 /** The current time, updated in the mainloop
295 /** The time that was recorded last time around the mainloop
299 /** A 64k buffer used to read client lines into
301 char ReadBuffer[65535];
303 /** Used when connecting clients
305 insp_sockaddr client, server;
307 /** Used when connecting clients
311 /** Nonblocking file writer
315 /** Time offset in seconds
316 * This offset is added to all calls to Time(). Use SetTimeDelta() to update
326 /** Global cull list, will be processed on next iteration
328 CullList GlobalCulls;
332 ProcessUserHandler HandleProcessUser;
333 IsNickHandler HandleIsNick;
334 IsIdentHandler HandleIsIdent;
335 FindDescriptorHandler HandleFindDescriptor;
336 FloodQuitUserHandler HandleFloodQuitUser;
338 /** InspSocket classes pending deletion after being closed.
339 * We don't delete these immediately as this may cause a segmentation fault.
341 std::map<InspSocket*,InspSocket*> SocketCull;
343 /** Globally accessible fake user record. This is used to force mode changes etc across s2s, etc.. bit ugly, but.. better than how this was done in 1.1
346 * SendMode expects a userrec* to send the numeric replies
347 * back to, so we create it a fake user that isnt in the user
348 * hash and set its descriptor to FD_MAGIC_NUMBER so the data
349 * falls into the abyss :p
353 /** Returns the next available UID for this server.
355 std::string GetUID();
357 /** Find a user in the UUID hash
358 * @param nick The nickname to find
359 * @return A pointer to the user, or NULL if the user does not exist
361 userrec *FindUUID(const std::string &);
363 /** Find a user in the UUID hash
364 * @param nick The nickname to find
365 * @return A pointer to the user, or NULL if the user does not exist
367 userrec *FindUUID(const char *);
369 /** Build the ISUPPORT string by triggering all modules On005Numeric events
371 void BuildISupport();
373 /** Number of unregistered users online right now.
374 * (Unregistered means before USER/NICK/dns)
376 int unregistered_count;
378 /** List of server names we've seen.
380 servernamelist servernames;
382 /** Time this ircd was booted
386 /** Config file pathname specified on the commandline or via ./configure
388 char ConfigFileName[MAXBUF];
390 /** Mode handler, handles mode setting and removal
394 /** Command parser, handles client to server commands
396 CommandParser* Parser;
398 /** Socket engine, handles socket activity events
402 /** ModuleManager contains everything related to loading/unloading
405 ModuleManager* Modules;
407 /** Stats class, holds miscellaneous stats counters
411 /** Server Config class, holds configuration file data
413 ServerConfig* Config;
415 /** Snomask manager - handles routing of snomask messages
420 /** Client list, a hash_map containing all clients, local and remote
422 user_hash* clientlist;
424 /** Client list stored by UUID. Contains all clients, and is updated
425 * automatically by the constructor and destructor of userrec.
429 /** Channel list, a hash_map containing all channels
433 /** Local client list, a vector containing only local clients
435 std::vector<userrec*> local_users;
437 /** Oper list, a vector containing all local and remote opered users
439 std::vector<userrec*> all_opers;
441 /** Map of local ip addresses for clone counting
443 clonemap local_clones;
445 /** Map of global ip addresses for clone counting
447 clonemap global_clones;
449 /** DNS class, provides resolver facilities to the core and modules
453 /** Timer manager class, triggers InspTimer timer events
455 TimerManager* Timers;
457 /** X-Line manager. Handles G/K/Q/E line setting, removal and matching
459 XLineManager* XLines;
461 /** The time we next call our ping timeout and reg timeout checks
465 /** Set to the current signal recieved
469 /** Get the current time
470 * Because this only calls time() once every time around the mainloop,
471 * it is much faster than calling time() directly.
472 * @param delta True to use the delta as an offset, false otherwise
473 * @return The current time as an epoch value (time_t)
475 time_t Time(bool delta = false);
477 /** Set the time offset in seconds
478 * This offset is added to Time() to offset the system time by the specified
480 * @param delta The number of seconds to offset
481 * @return The old time delta
483 int SetTimeDelta(int delta);
485 /** Add a user to the local clone map
486 * @param user The user to add
488 void AddLocalClone(userrec* user);
490 /** Add a user to the global clone map
491 * @param user The user to add
493 void AddGlobalClone(userrec* user);
495 /** Number of users with a certain mode set on them
497 int ModeCount(const char mode);
499 /** Get the time offset in seconds
500 * @return The current time delta (in seconds)
504 /** Process a user whos socket has been flagged as active
505 * @param cu The user to process
506 * @return There is no actual return value, however upon exit, the user 'cu' may have been
507 * marked for deletion in the global CullList.
509 caller1<void, userrec*> ProcessUser;
511 /** Bind all ports specified in the configuration file.
512 * @param bail True if the function should bail back to the shell on failure
513 * @param found_ports The actual number of ports found in the config, as opposed to the number actually bound
514 * @return The number of ports actually bound without error
516 int BindPorts(bool bail, int &found_ports, FailedPortList &failed_ports);
518 /** Binds a socket on an already open file descriptor
519 * @param sockfd A valid file descriptor of an open socket
520 * @param port The port number to bind to
521 * @param addr The address to bind to (IP only)
522 * @return True if the port was bound successfully
524 bool BindSocket(int sockfd, int port, char* addr, bool dolisten = true);
526 /** Adds a server name to the list of servers we've seen
527 * @param The servername to add
529 void AddServerName(const std::string &servername);
531 /** Finds a cached char* pointer of a server name,
532 * This is used to optimize userrec by storing only the pointer to the name
533 * @param The servername to find
534 * @return A pointer to this name, gauranteed to never become invalid
536 const char* FindServerNamePtr(const std::string &servername);
538 /** Returns true if we've seen the given server name before
539 * @param The servername to find
540 * @return True if we've seen this server name before
542 bool FindServerName(const std::string &servername);
544 /** Gets the GECOS (description) field of the given server.
545 * If the servername is not that of the local server, the name
546 * is passed to handling modules which will attempt to determine
547 * the GECOS that bleongs to the given servername.
548 * @param servername The servername to find the description of
549 * @return The description of this server, or of the local server
551 std::string GetServerDescription(const char* servername);
553 /** Write text to all opers connected to this server
554 * @param text The text format string
555 * @param ... Format args
557 void WriteOpers(const char* text, ...);
559 /** Write text to all opers connected to this server
560 * @param text The text to send
562 void WriteOpers(const std::string &text);
564 /** Find a user in the nick hash.
565 * If the user cant be found in the nick hash check the uuid hash
566 * @param nick The nickname to find
567 * @return A pointer to the user, or NULL if the user does not exist
569 userrec* FindNick(const std::string &nick);
571 /** Find a user in the nick hash.
572 * If the user cant be found in the nick hash check the uuid hash
573 * @param nick The nickname to find
574 * @return A pointer to the user, or NULL if the user does not exist
576 userrec* FindNick(const char* nick);
578 /** Find a user in the nick hash ONLY
580 userrec* FindNickOnly(const char* nick);
582 /** Find a user in the nick hash ONLY
584 userrec* FindNickOnly(const std::string &nick);
586 /** Find a channel in the channels hash
587 * @param chan The channel to find
588 * @return A pointer to the channel, or NULL if the channel does not exist
590 chanrec* FindChan(const std::string &chan);
592 /** Find a channel in the channels hash
593 * @param chan The channel to find
594 * @return A pointer to the channel, or NULL if the channel does not exist
596 chanrec* FindChan(const char* chan);
598 /** Check for a 'die' tag in the config file, and abort if found
599 * @return Depending on the configuration, this function may never return
603 /** Check we aren't running as root, and exit if we are
604 * @return Depending on the configuration, this function may never return
608 /** Determine the right path for, and open, the logfile
609 * @param argv The argv passed to main() initially, used to calculate program path
610 * @param argc The argc passed to main() initially, used to calculate program path
611 * @return True if the log could be opened, false if otherwise
613 bool OpenLog(char** argv, int argc);
615 /** Close the currently open log file
619 /** Send a server notice to all local users
620 * @param text The text format string to send
621 * @param ... The format arguments
623 void ServerNoticeAll(char* text, ...);
625 /** Send a server message (PRIVMSG) to all local users
626 * @param text The text format string to send
627 * @param ... The format arguments
629 void ServerPrivmsgAll(char* text, ...);
631 /** Send text to all users with a specific set of modes
632 * @param modes The modes to check against, without a +, e.g. 'og'
633 * @param flags one of WM_OR or WM_AND. If you specify WM_OR, any one of the
634 * mode characters in the first parameter causes receipt of the message, and
635 * if you specify WM_OR, all the modes must be present.
636 * @param text The text format string to send
637 * @param ... The format arguments
639 void WriteMode(const char* modes, int flags, const char* text, ...);
641 /** Return true if a channel name is valid
642 * @param chname A channel name to verify
643 * @return True if the name is valid
645 bool IsChannel(const char *chname);
647 /** Rehash the local server
651 /** Handles incoming signals after being set
652 * @param signal the signal recieved
654 void SignalHandler(int signal);
656 /** Sets the signal recieved
657 * @param signal the signal recieved
659 static void SetSignal(int signal);
661 /** Causes the server to exit after unloading modules and
662 * closing all open file descriptors.
664 * @param The exit code to give to the operating system
665 * (See the ExitStatus enum for valid values)
667 void Exit(int status);
669 /** Causes the server to exit immediately with exit code 0.
670 * The status code is required for signal handlers, and ignored.
672 static void QuickExit(int status);
674 /** Return a count of users, unknown and known connections
675 * @return The number of users
679 /** Return a count of fully registered connections only
680 * @return The number of registered users
682 int RegisteredUserCount();
684 /** Return a count of invisible (umode +i) users only
685 * @return The number of invisible users
687 int InvisibleUserCount();
689 /** Return a count of opered (umode +o) users only
690 * @return The number of opers
694 /** Return a count of unregistered (before NICK/USER) users only
695 * @return The number of unregistered (unknown) connections
697 int UnregisteredUserCount();
699 /** Return a count of channels on the network
700 * @return The number of channels
704 /** Return a count of local users on this server only
705 * @return The number of local users
707 long LocalUserCount();
709 /** Send an error notice to all local users, opered and unopered
710 * @param s The error string to send
712 void SendError(const std::string &s);
714 /** Return true if a nickname is valid
715 * @param n A nickname to verify
716 * @return True if the nick is valid
718 caller1<bool, const char*> IsNick;
720 /** Return true if an ident is valid
721 * @param An ident to verify
722 * @return True if the ident is valid
724 caller1<bool, const char*> IsIdent;
726 /** Find a username by their file descriptor.
727 * It is preferred to use this over directly accessing the fd_ref_table array.
728 * @param socket The file descriptor of a user
729 * @return A pointer to the user if the user exists locally on this descriptor
731 caller1<userrec*, int> FindDescriptor;
733 /** Add a new mode to this server's mode parser
734 * @param mh The modehandler to add
735 * @param modechar The mode character this modehandler handles
736 * @return True if the mode handler was added
738 bool AddMode(ModeHandler* mh, const unsigned char modechar);
740 /** Add a new mode watcher to this server's mode parser
741 * @param mw The modewatcher to add
742 * @return True if the modewatcher was added
744 bool AddModeWatcher(ModeWatcher* mw);
746 /** Delete a mode watcher from this server's mode parser
747 * @param mw The modewatcher to delete
748 * @return True if the modewatcher was deleted
750 bool DelModeWatcher(ModeWatcher* mw);
752 /** Add a dns Resolver class to this server's active set
753 * @param r The resolver to add
754 * @param cached If this value is true, then the cache will
755 * be searched for the DNS result, immediately. If the value is
756 * false, then a request will be sent to the nameserver, and the
757 * result will not be immediately available. You should usually
758 * use the boolean value which you passed to the Resolver
759 * constructor, which Resolver will set appropriately depending
760 * on if cached results are available and haven't expired. It is
761 * however safe to force this value to false, forcing a remote DNS
762 * lookup, but not an update of the cache.
763 * @return True if the operation completed successfully. Note that
764 * if this method returns true, you should not attempt to access
765 * the resolver class you pass it after this call, as depending upon
766 * the request given, the object may be deleted!
768 bool AddResolver(Resolver* r, bool cached);
770 /** Add a command to this server's command parser
771 * @param f A command_t command handler object to add
772 * @throw ModuleException Will throw ModuleExcption if the command already exists
774 void AddCommand(command_t *f);
776 /** Send a modechange.
777 * The parameters provided are identical to that sent to the
778 * handler for class cmd_mode.
779 * @param parameters The mode parameters
780 * @param pcnt The number of items you have given in the first parameter
781 * @param user The user to send error messages to
783 void SendMode(const char **parameters, int pcnt, userrec *user);
785 /** Match two strings using pattern matching.
786 * This operates identically to the global function match(),
787 * except for that it takes std::string arguments rather than
789 * @param sliteral The literal string to match against
790 * @param spattern The pattern to match against. CIDR and globs are supported.
792 bool MatchText(const std::string &sliteral, const std::string &spattern);
794 /** Call the handler for a given command.
795 * @param commandname The command whos handler you wish to call
796 * @param parameters The mode parameters
797 * @param pcnt The number of items you have given in the first parameter
798 * @param user The user to execute the command as
799 * @return True if the command handler was called successfully
801 CmdResult CallCommandHandler(const std::string &commandname, const char** parameters, int pcnt, userrec* user);
803 /** Return true if the command is a module-implemented command and the given parameters are valid for it
804 * @param parameters The mode parameters
805 * @param pcnt The number of items you have given in the first parameter
806 * @param user The user to test-execute the command as
807 * @return True if the command handler is a module command, and there are enough parameters and the user has permission to the command
809 bool IsValidModuleCommand(const std::string &commandname, int pcnt, userrec* user);
811 /** Add a gline and apply it
812 * @param duration How long the line should last
813 * @param source Who set the line
814 * @param reason The reason for the line
815 * @param hostmask The hostmask to set the line against
817 void AddGLine(long duration, const std::string &source, const std::string &reason, const std::string &hostmask);
819 /** Add a qline and apply it
820 * @param duration How long the line should last
821 * @param source Who set the line
822 * @param reason The reason for the line
823 * @param nickname The nickmask to set the line against
825 void AddQLine(long duration, const std::string &source, const std::string &reason, const std::string &nickname);
827 /** Add a zline and apply it
828 * @param duration How long the line should last
829 * @param source Who set the line
830 * @param reason The reason for the line
831 * @param ipaddr The ip-mask to set the line against
833 void AddZLine(long duration, const std::string &source, const std::string &reason, const std::string &ipaddr);
835 /** Add a kline and apply it
836 * @param duration How long the line should last
837 * @param source Who set the line
838 * @param reason The reason for the line
839 * @param hostmask The hostmask to set the line against
841 void AddKLine(long duration, const std::string &source, const std::string &reason, const std::string &hostmask);
844 * @param duration How long the line should last
845 * @param source Who set the line
846 * @param reason The reason for the line
847 * @param hostmask The hostmask to set the line against
849 void AddELine(long duration, const std::string &source, const std::string &reason, const std::string &hostmask);
852 * @param hostmask The gline to delete
853 * @return True if the item was removed
855 bool DelGLine(const std::string &hostmask);
858 * @param nickname The qline to delete
859 * @return True if the item was removed
861 bool DelQLine(const std::string &nickname);
864 * @param ipaddr The zline to delete
865 * @return True if the item was removed
867 bool DelZLine(const std::string &ipaddr);
870 * @param hostmask The kline to delete
871 * @return True if the item was removed
873 bool DelKLine(const std::string &hostmask);
876 * @param hostmask The kline to delete
877 * @return True if the item was removed
879 bool DelELine(const std::string &hostmask);
881 /** Return true if the given parameter is a valid nick!user\@host mask
882 * @param mask A nick!user\@host masak to match against
883 * @return True i the mask is valid
885 bool IsValidMask(const std::string &mask);
887 /** Rehash the local server
891 /** Return the channel whos index number matches that provided
892 * @param The index number of the channel to fetch
893 * @return A channel record, or NUll if index < 0 or index >= InspIRCd::ChannelCount()
895 chanrec* GetChannelIndex(long index);
897 /** Dump text to a user target, splitting it appropriately to fit
898 * @param User the user to dump the text to
899 * @param LinePrefix text to prefix each complete line with
900 * @param TextStream the text to send to the user
902 void DumpText(userrec* User, const std::string &LinePrefix, stringstream &TextStream);
904 /** Check if the given nickmask matches too many users, send errors to the given user
905 * @param nick A nickmask to match against
906 * @param user A user to send error text to
907 * @return True if the nick matches too many users
909 bool NickMatchesEveryone(const std::string &nick, userrec* user);
911 /** Check if the given IP mask matches too many users, send errors to the given user
912 * @param ip An ipmask to match against
913 * @param user A user to send error text to
914 * @return True if the ip matches too many users
916 bool IPMatchesEveryone(const std::string &ip, userrec* user);
918 /** Check if the given hostmask matches too many users, send errors to the given user
919 * @param mask A hostmask to match against
920 * @param user A user to send error text to
921 * @return True if the host matches too many users
923 bool HostMatchesEveryone(const std::string &mask, userrec* user);
925 /** Calculate a duration in seconds from a string in the form 1y2w3d4h6m5s
926 * @param str A string containing a time in the form 1y2w3d4h6m5s
927 * (one year, two weeks, three days, four hours, six minutes and five seconds)
928 * @return The total number of seconds
930 long Duration(const std::string &str);
932 /** Attempt to compare an oper password to a string from the config file.
933 * This will be passed to handling modules which will compare the data
934 * against possible hashed equivalents in the input string.
935 * @param data The data from the config file
936 * @param input The data input by the oper
937 * @param tagnum the tag number of the oper's tag in the config file
938 * @return 0 if the strings match, 1 or -1 if they do not
940 int OperPassCompare(const char* data,const char* input, int tagnum);
942 /** Check if a given server is a uline.
943 * An empty string returns true, this is by design.
944 * @param server The server to check for uline status
945 * @return True if the server is a uline OR the string is empty
947 bool ULine(const char* server);
949 /** Returns true if the uline is 'silent' (doesnt generate
950 * remote connect notices etc).
952 bool SilentULine(const char* server);
954 /** Returns the subversion revision ID of this ircd
955 * @return The revision ID or an empty string
957 std::string GetRevision();
959 /** Returns the full version string of this ircd
960 * @return The version string
962 std::string GetVersionString();
964 /** Attempt to write the process id to a given file
965 * @param filename The PID file to attempt to write to
966 * @return This function may bail if the file cannot be written
968 void WritePID(const std::string &filename);
970 /** This constructor initialises all the subsystems and reads the config file.
971 * @param argc The argument count passed to main()
972 * @param argv The argument list passed to main()
973 * @throw <anything> If anything is thrown from here and makes it to
974 * you, you should probably just give up and go home. Yes, really.
975 * It's that bad. Higher level classes should catch any non-fatal exceptions.
977 InspIRCd(int argc, char** argv);
979 /** Do one iteration of the mainloop
980 * @param process_module_sockets True if module sockets are to be processed
981 * this time around the event loop. The is the default.
983 void DoOneIteration(bool process_module_sockets = true);
985 /** Output a log message to the ircd.log file
986 * The text will only be output if the current loglevel
987 * is less than or equal to the level you provide
988 * @param level A log level from the DebugLevel enum
989 * @param text Format string of to write to the log
990 * @param ... Format arguments of text to write to the log
992 void Log(int level, const char* text, ...);
994 /** Output a log message to the ircd.log file
995 * The text will only be output if the current loglevel
996 * is less than or equal to the level you provide
997 * @param level A log level from the DebugLevel enum
998 * @param text Text to write to the log
1000 void Log(int level, const std::string &text);
1002 /** Send a line of WHOIS data to a user.
1003 * @param user user to send the line to
1004 * @param dest user being WHOISed
1005 * @param numeric Numeric to send
1006 * @param text Text of the numeric
1008 void SendWhoisLine(userrec* user, userrec* dest, int numeric, const std::string &text);
1010 /** Send a line of WHOIS data to a user.
1011 * @param user user to send the line to
1012 * @param dest user being WHOISed
1013 * @param numeric Numeric to send
1014 * @param format Format string for the numeric
1015 * @param ... Parameters for the format string
1017 void SendWhoisLine(userrec* user, userrec* dest, int numeric, const char* format, ...);
1019 /** Quit a user for excess flood, and if they are not
1020 * fully registered yet, temporarily zline their IP.
1021 * @param current user to quit
1023 caller1<void, userrec*> FloodQuitUser;
1025 /** Restart the server.
1026 * This function will not return. If an error occurs,
1027 * it will throw an instance of CoreException.
1028 * @param reason The restart reason to show to all clients
1029 * @throw CoreException An instance of CoreException indicating the error from execv().
1031 void Restart(const std::string &reason);
1033 /** Prepare the ircd for restart or shutdown.
1034 * This function unloads all modules which can be unloaded,
1035 * closes all open sockets, and closes the logfile.
1039 /** This copies the user and channel hash_maps into new hash maps.
1040 * This frees memory used by the hash_map allocator (which it neglects
1041 * to free, most of the time, using tons of ram)
1043 void RehashUsersAndChans();
1045 /** Resets the cached max bans value on all channels.
1048 void ResetMaxBans();
1050 /** Return a time_t as a human-readable string.
1052 std::string TimeString(time_t curtime);
1054 /** Begin execution of the server.
1055 * NOTE: this function NEVER returns. Internally,
1056 * after performing some initialisation routines,
1057 * it will repeatedly call DoOneIteration in a loop.
1058 * @return The return value for this function is undefined.
1062 /** Force all InspSockets to be removed which are due to
1065 void InspSocketCull();
1067 char* GetReadBuffer()
1069 return this->ReadBuffer;