1 /* +------------------------------------+
2 * | Inspire Internet Relay Chat Daemon |
3 * +------------------------------------+
5 * InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
7 * <brain@chatspike.net>
8 * <Craig@chatspike.net>
10 * Written by Craig Edwards, Craig McLure, and others.
11 * This program is free but copyrighted software; see
12 * the file COPYING for details.
14 * ---------------------------------------------------
17 #ifndef __CHANNELS_H__
18 #define __CHANNELS_H__
20 #include "inspircd_config.h"
27 /** RFC1459 channel modes
30 CM_TOPICLOCK = 't'-65,
31 CM_NOEXTERNAL = 'n'-65,
32 CM_INVITEONLY = 'i'-65,
33 CM_MODERATED = 'm'-65,
43 /** Holds an entry for a ban list, exemption list, or invite list.
44 * This class contains a single element in a channel list, such as a banlist.
46 class HostItem : public classbase
49 /** Time the item was added
52 /** Who added the item
55 /** The actual item data
59 HostItem() { /* stub */ }
60 virtual ~HostItem() { /* stub */ }
63 /** A subclass of HostItem designed to hold channel bans (+b)
65 class BanItem : public HostItem
69 /** A subclass of HostItem designed to hold channel exempts (+e)
71 class ExemptItem : public HostItem
75 /** A subclass of HostItem designed to hold channel invites (+I)
77 class InviteItem : public HostItem
81 /** Holds a complete ban list
83 typedef std::vector<BanItem> BanList;
85 /** Holds a complete exempt list
87 typedef std::vector<ExemptItem> ExemptList;
89 /** Holds a complete invite list
91 typedef std::vector<InviteItem> InviteList;
93 /** A list of users on a channel
95 typedef std::map<userrec*,userrec*> CUList;
97 /** Shorthand for CUList::iterator
99 typedef CUList::iterator CUListIter;
101 /** Shorthand for CUList::const_iterator
103 typedef CUList::const_iterator CUListConstIter;
105 /** A list of custom modes parameters on a channel
107 typedef std::map<char,char*> CustomModeList;
110 /** used to hold a channel and a users modes on that channel, e.g. +v, +h, +o
112 enum UserChannelModes {
118 /** Holds a user's modes on a channel
119 * This class associates a users privilages with a channel by creating a pointer link between
120 * a userrec and chanrec class. The uc_modes member holds a bitmask of which privilages the user
121 * has on the channel, such as op, voice, etc.
123 class ucrec : public classbase
126 /** Contains a bitmask of the UCMODE_OP ... UCMODE_FOUNDER values.
127 * If this value is zero, the user has no privilages upon the channel.
131 /** Points to the channel record where the given modes apply.
132 * If the record is not in use, this value will be NULL.
136 /** Constructor for ucrec
138 ucrec() : uc_modes(0), channel(NULL) { /* stub */ }
140 /** Destructor for ucrec
142 virtual ~ucrec() { /* stub */ }
148 /** Holds all relevent information for a channel.
149 * This class represents a channel, and contains its name, modes, time created, topic, topic set time,
150 * etc, and an instance of the BanList type.
152 class chanrec : public Extensible
156 /** Pointer to creator object
158 InspIRCd* ServerInstance;
160 /** Connect a chanrec to a userrec
162 static chanrec* ForceChan(InspIRCd* Instance, chanrec* Ptr,ucrec *a,userrec* user, int created);
165 /** The channels name.
169 /** Modes for the channel.
170 * This is not a null terminated string! It is a hash where
171 * each item in it represents if a mode is set. For example
172 * for mode +A, index 0. Use modechar-65 to calculate which
178 * There are four user lists, one for
179 * all the users, one for the ops, one for
180 * the halfops and another for the voices.
182 CUList internal_userlist;
186 CUList internal_op_userlist;
190 CUList internal_halfop_userlist;
194 CUList internal_voice_userlist;
196 /** Parameters for custom modes
198 CustomModeList custom_mode_params;
201 * If this is an empty string, no channel topic is set.
203 char topic[MAXTOPIC];
207 /** Time topic was set.
208 * If no topic was ever set, this will be equal to chanrec::created
211 /** The last user to set the topic.
212 * If this member is an empty string, no topic was ever set.
216 /** Contains the channel user limit.
217 * If this value is zero, there is no limit in place.
221 /** Contains the channel key.
222 * If this value is an empty string, there is no channel key in place.
226 /** The list of all bans set on the channel.
230 /** Sets or unsets a custom mode in the channels info
231 * @param mode The mode character to set or unset
232 * @param mode_on True if you want to set the mode or false if you want to remove it
234 void SetMode(char mode,bool mode_on);
236 /** Sets or unsets the parameters for a custom mode in a channels info
237 * @param mode The mode character to set or unset
238 * @param parameter The parameter string to associate with this mode character
239 * @param mode_on True if you want to set the mode or false if you want to remove it
241 void SetModeParam(char mode,const char* parameter,bool mode_on);
243 /** Returns true if a mode is set on a channel
244 * @param mode The mode character you wish to query
245 * @return True if the custom mode is set, false if otherwise
247 bool IsModeSet(char mode);
249 /** Returns the parameter for a custom mode on a channel.
250 * @param mode The mode character you wish to query
252 * For example if "+L #foo" is set, and you pass this method
253 * 'L', it will return '#foo'. If the mode is not set on the
254 * channel, or the mode has no parameters associated with it,
255 * it will return an empty string.
257 * @return The parameter for this mode is returned, or an empty string
259 std::string GetModeParameter(char mode);
261 /** Obtain the channel "user counter"
262 * This returns the channel reference counter, which is initialized
263 * to 0 when the channel is created and incremented/decremented
264 * upon joins, parts quits and kicks.
266 * @return The number of users on this channel
268 long GetUserCounter();
270 /** Add a user pointer to the internal reference list
271 * @param user The user to add
273 * The data inserted into the reference list is a table as it is
274 * an arbitary pointer compared to other users by its memory address,
275 * as this is a very fast 32 or 64 bit integer comparison.
277 void AddUser(userrec* user);
279 /** Add a user pointer to the internal reference list of opped users
280 * @param user The user to add
282 void AddOppedUser(userrec* user);
284 /** Add a user pointer to the internal reference list of halfopped users
285 * @param user The user to add
287 void AddHalfoppedUser(userrec* user);
289 /** Add a user pointer to the internal reference list of voiced users
290 * @param user The user to add
292 void AddVoicedUser(userrec* user);
294 /** Delete a user pointer to the internal reference list
295 * @param user The user to delete
296 * @return number of users left on the channel after deletion of the user
298 unsigned long DelUser(userrec* user);
300 /** Delete a user pointer to the internal reference list of opped users
301 * @param user The user to delete
303 void DelOppedUser(userrec* user);
305 /** Delete a user pointer to the internal reference list of halfopped users
306 * @param user The user to delete
308 void DelHalfoppedUser(userrec* user);
310 /** Delete a user pointer to the internal reference list of voiced users
311 * @param user The user to delete
313 void DelVoicedUser(userrec* user);
315 /** Obtain the internal reference list
316 * The internal reference list contains a list of userrec*.
317 * These are used for rapid comparison to determine
318 * channel membership for PRIVMSG, NOTICE, QUIT, PART etc.
319 * The resulting pointer to the vector should be considered
320 * readonly and only modified via AddUser and DelUser.
322 * @return This function returns pointer to a map of userrec pointers (CUList*).
326 /** Obtain the internal reference list of opped users
327 * @return This function returns pointer to a map of userrec pointers (CUList*).
329 CUList* GetOppedUsers();
331 /** Obtain the internal reference list of halfopped users
332 * @return This function returns pointer to a map of userrec pointers (CUList*).
334 CUList* GetHalfoppedUsers();
336 /** Obtain the internal reference list of voiced users
337 * @return This function returns pointer to a map of userrec pointers (CUList*).
339 CUList* GetVoicedUsers();
341 /** Returns true if the user given is on the given channel.
342 * @param The user to look for
343 * @return True if the user is on this channel
345 bool HasUser(userrec* user);
347 /** Creates a channel record and initialises it with default values
348 * @throw Nothing at present.
350 chanrec(InspIRCd* Instance);
352 /** Make src kick user from this channel with the given reason.
353 * @param src The source of the kick
354 * @param user The user being kicked (must be on this channel)
355 * @param reason The reason for the kick
356 * @return The number of users left on the channel. If this is zero
357 * when the method returns, you MUST delete the chanrec immediately!
359 long KickUser(userrec *src, userrec *user, const char* reason);
361 /** Make the server kick user from this channel with the given reason.
362 * @param user The user being kicked (must be on this channel)
363 * @param reason The reason for the kick
364 * @param triggerevents True if you wish this kick to trigger module events
365 * @return The number of users left on the channel. If this is zero
366 * when the method returns, you MUST delete the chanrec immediately!
368 long ServerKickUser(userrec* user, const char* reason, bool triggerevents);
370 /** Part a user from this channel with the given reason.
371 * If the reason field is NULL, no reason will be sent.
372 * @param user The user who is parting (must be on this channel)
373 * @param reason The (optional) part reason
374 * @return The number of users left on the channel. If this is zero
375 * when the method returns, you MUST delete the chanrec immediately!
377 long PartUser(userrec *user, const char* reason = NULL);
379 /* Join a user to a channel. May be a channel that doesnt exist yet.
380 * @param user The user to join to the channel.
381 * @param cn The channel name to join to. Does not have to exist.
382 * @param key The key of the channel, if given
383 * @param override If true, override all join restrictions such as +bkil
384 * @return A pointer to the chanrec the user was joined to. A new chanrec may have
385 * been created if the channel did not exist before the user was joined to it.
386 * If the user could not be joined to a channel, the return value may be NULL.
388 static chanrec* JoinUser(InspIRCd* ServerInstance, userrec *user, const char* cn, bool override, const char* key = "");
390 /** Write to a channel, from a user, using va_args for text
391 * @param user User whos details to prefix the line with
392 * @param text A printf-style format string which builds the output line without prefix
393 * @param ... Zero or more POD types
395 void WriteChannel(userrec* user, char* text, ...);
397 /** Write to a channel, from a user, using std::string for text
398 * @param user User whos details to prefix the line with
399 * @param text A std::string containing the output line without prefix
401 void WriteChannel(userrec* user, const std::string &text);
403 /** Write to a channel, from a server, using va_args for text
404 * @param ServName Server name to prefix the line with
405 * @param text A printf-style format string which builds the output line without prefi
406 * @param ... Zero or more POD type
408 void WriteChannelWithServ(const char* ServName, const char* text, ...);
410 /** Write to a channel, from a server, using std::string for text
411 * @param ServName Server name to prefix the line with
412 * @param text A std::string containing the output line without prefix
414 void WriteChannelWithServ(const char* ServName, const std::string &text);
416 /** Write to all users on a channel except a specific user, using va_args for text
417 * @param user User whos details to prefix the line with, and to omit from receipt of the message
418 * @param status The status of the users to write to, e.g. '@' or '%'. Use a value of 0 to write to everyone
419 * @param text A printf-style format string which builds the output line without prefi
420 * @param ... Zero or more POD type
422 void WriteAllExceptSender(userrec* user, char status, char* text, ...);
424 /** Write to all users on a channel except a specific user, using std::string for text
425 * @param user User whos details to prefix the line with, and to omit from receipt of the message
426 * @param status The status of the users to write to, e.g. '@' or '%'. Use a value of 0 to write to everyone
427 * @param text A std::string containing the output line without prefix
429 void WriteAllExceptSender(userrec* user, char status, const std::string& text);
431 /** Returns the maximum number of bans allowed to be set on this channel
432 * @return The maximum number of bans allowed
436 /** Return the channel's modes with parameters.
437 * @param showkey If this is set to true, the actual key is shown,
438 * otherwise it is replaced with '<KEY>'
439 * @return The channel mode string
441 char* ChanModes(bool showkey);
443 /** Spool the NAMES list for this channel to the given user
444 * @param The user to spool the NAMES list to
446 void UserList(userrec *user);
448 /** Get the number of invisible users on this channel
449 * @return Number of invisible users
451 int CountInvisible();
453 /** Get a users status on this channel
454 * @param The user to look up
455 * @return One of STATUS_OP, STATUS_HOP, STATUS_VOICE, or zero.
457 int GetStatus(userrec *user);
459 /** Get a users status on this channel in a bitmask
460 * @param The user to look up
461 * @return A bitmask containing zero or more of STATUS_OP, STATUS_HOP, STATUS_VOICE
463 int GetStatusFlags(userrec *user);
465 /** Get a users status on this channel in a string
466 * @param The user to look up
467 * @return A character array containing the string "@", "%", "+" or ""
469 const char* GetStatusChar(userrec *user);
471 /** Destructor for chanrec
473 virtual ~chanrec() { /* stub */ }