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 */ }
147 typedef std::pair<char, unsigned int> prefixtype;
148 typedef std::vector<prefixtype> pfxcontainer;
149 typedef std::map<userrec*, std::vector<prefixtype> > prefixlist;
151 /** Holds all relevent information for a channel.
152 * This class represents a channel, and contains its name, modes, time created, topic, topic set time,
153 * etc, and an instance of the BanList type.
155 class chanrec : public Extensible
159 /** Pointer to creator object
161 InspIRCd* ServerInstance;
163 /** Connect a chanrec to a userrec
165 static chanrec* ForceChan(InspIRCd* Instance, chanrec* Ptr,ucrec *a,userrec* user, int created);
170 /** The channels name.
174 /** Modes for the channel.
175 * This is not a null terminated string! It is a hash where
176 * each item in it represents if a mode is set. For example
177 * for mode +A, index 0. Use modechar-65 to calculate which
183 * There are four user lists, one for
184 * all the users, one for the ops, one for
185 * the halfops and another for the voices.
187 CUList internal_userlist;
191 CUList internal_op_userlist;
195 CUList internal_halfop_userlist;
199 CUList internal_voice_userlist;
201 /** Parameters for custom modes
203 CustomModeList custom_mode_params;
206 * If this is an empty string, no channel topic is set.
208 char topic[MAXTOPIC];
212 /** Time topic was set.
213 * If no topic was ever set, this will be equal to chanrec::created
216 /** The last user to set the topic.
217 * If this member is an empty string, no topic was ever set.
221 /** Contains the channel user limit.
222 * If this value is zero, there is no limit in place.
226 /** Contains the channel key.
227 * If this value is an empty string, there is no channel key in place.
231 /** The list of all bans set on the channel.
235 /** Sets or unsets a custom mode in the channels info
236 * @param mode The mode character to set or unset
237 * @param mode_on True if you want to set the mode or false if you want to remove it
239 void SetMode(char mode,bool mode_on);
241 /** Sets or unsets the parameters for a custom mode in a channels info
242 * @param mode The mode character to set or unset
243 * @param parameter The parameter string to associate with this mode character
244 * @param mode_on True if you want to set the mode or false if you want to remove it
246 void SetModeParam(char mode,const char* parameter,bool mode_on);
248 /** Returns true if a mode is set on a channel
249 * @param mode The mode character you wish to query
250 * @return True if the custom mode is set, false if otherwise
252 bool IsModeSet(char mode);
254 /** Returns the parameter for a custom mode on a channel.
255 * @param mode The mode character you wish to query
257 * For example if "+L #foo" is set, and you pass this method
258 * 'L', it will return '#foo'. If the mode is not set on the
259 * channel, or the mode has no parameters associated with it,
260 * it will return an empty string.
262 * @return The parameter for this mode is returned, or an empty string
264 std::string GetModeParameter(char mode);
266 /** Obtain the channel "user counter"
267 * This returns the channel reference counter, which is initialized
268 * to 0 when the channel is created and incremented/decremented
269 * upon joins, parts quits and kicks.
271 * @return The number of users on this channel
273 long GetUserCounter();
275 /** Add a user pointer to the internal reference list
276 * @param user The user to add
278 * The data inserted into the reference list is a table as it is
279 * an arbitary pointer compared to other users by its memory address,
280 * as this is a very fast 32 or 64 bit integer comparison.
282 void AddUser(userrec* user);
284 /** Add a user pointer to the internal reference list of opped users
285 * @param user The user to add
287 void AddOppedUser(userrec* user);
289 /** Add a user pointer to the internal reference list of halfopped users
290 * @param user The user to add
292 void AddHalfoppedUser(userrec* user);
294 /** Add a user pointer to the internal reference list of voiced users
295 * @param user The user to add
297 void AddVoicedUser(userrec* user);
299 /** Delete a user pointer to the internal reference list
300 * @param user The user to delete
301 * @return number of users left on the channel after deletion of the user
303 unsigned long DelUser(userrec* user);
305 /** Delete a user pointer to the internal reference list of opped users
306 * @param user The user to delete
308 void DelOppedUser(userrec* user);
310 /** Delete a user pointer to the internal reference list of halfopped users
311 * @param user The user to delete
313 void DelHalfoppedUser(userrec* user);
315 /** Delete a user pointer to the internal reference list of voiced users
316 * @param user The user to delete
318 void DelVoicedUser(userrec* user);
320 /** Obtain the internal reference list
321 * The internal reference list contains a list of userrec*.
322 * These are used for rapid comparison to determine
323 * channel membership for PRIVMSG, NOTICE, QUIT, PART etc.
324 * The resulting pointer to the vector should be considered
325 * readonly and only modified via AddUser and DelUser.
327 * @return This function returns pointer to a map of userrec pointers (CUList*).
331 /** Obtain the internal reference list of opped users
332 * @return This function returns pointer to a map of userrec pointers (CUList*).
334 CUList* GetOppedUsers();
336 /** Obtain the internal reference list of halfopped users
337 * @return This function returns pointer to a map of userrec pointers (CUList*).
339 CUList* GetHalfoppedUsers();
341 /** Obtain the internal reference list of voiced users
342 * @return This function returns pointer to a map of userrec pointers (CUList*).
344 CUList* GetVoicedUsers();
346 /** Returns true if the user given is on the given channel.
347 * @param The user to look for
348 * @return True if the user is on this channel
350 bool HasUser(userrec* user);
352 /** Creates a channel record and initialises it with default values
353 * @throw Nothing at present.
355 chanrec(InspIRCd* Instance);
357 /** Make src kick user from this channel with the given reason.
358 * @param src The source of the kick
359 * @param user The user being kicked (must be on this channel)
360 * @param reason The reason for the kick
361 * @return The number of users left on the channel. If this is zero
362 * when the method returns, you MUST delete the chanrec immediately!
364 long KickUser(userrec *src, userrec *user, const char* reason);
366 /** Make the server kick user from this channel with the given reason.
367 * @param user The user being kicked (must be on this channel)
368 * @param reason The reason for the kick
369 * @param triggerevents True if you wish this kick to trigger module events
370 * @return The number of users left on the channel. If this is zero
371 * when the method returns, you MUST delete the chanrec immediately!
373 long ServerKickUser(userrec* user, const char* reason, bool triggerevents);
375 /** Part a user from this channel with the given reason.
376 * If the reason field is NULL, no reason will be sent.
377 * @param user The user who is parting (must be on this channel)
378 * @param reason The (optional) part reason
379 * @return The number of users left on the channel. If this is zero
380 * when the method returns, you MUST delete the chanrec immediately!
382 long PartUser(userrec *user, const char* reason = NULL);
384 /* Join a user to a channel. May be a channel that doesnt exist yet.
385 * @param user The user to join to the channel.
386 * @param cn The channel name to join to. Does not have to exist.
387 * @param key The key of the channel, if given
388 * @param override If true, override all join restrictions such as +bkil
389 * @return A pointer to the chanrec the user was joined to. A new chanrec may have
390 * been created if the channel did not exist before the user was joined to it.
391 * If the user could not be joined to a channel, the return value may be NULL.
393 static chanrec* JoinUser(InspIRCd* ServerInstance, userrec *user, const char* cn, bool override, const char* key = "");
395 /** Write to a channel, from a user, using va_args for text
396 * @param user User whos details to prefix the line with
397 * @param text A printf-style format string which builds the output line without prefix
398 * @param ... Zero or more POD types
400 void WriteChannel(userrec* user, char* text, ...);
402 /** Write to a channel, from a user, using std::string for text
403 * @param user User whos details to prefix the line with
404 * @param text A std::string containing the output line without prefix
406 void WriteChannel(userrec* user, const std::string &text);
408 /** Write to a channel, from a server, using va_args for text
409 * @param ServName Server name to prefix the line with
410 * @param text A printf-style format string which builds the output line without prefi
411 * @param ... Zero or more POD type
413 void WriteChannelWithServ(const char* ServName, const char* text, ...);
415 /** Write to a channel, from a server, using std::string for text
416 * @param ServName Server name to prefix the line with
417 * @param text A std::string containing the output line without prefix
419 void WriteChannelWithServ(const char* ServName, const std::string &text);
421 /** Write to all users on a channel except a specific user, using va_args for text
422 * @param user User whos details to prefix the line with, and to omit from receipt of the message
423 * @param status The status of the users to write to, e.g. '@' or '%'. Use a value of 0 to write to everyone
424 * @param text A printf-style format string which builds the output line without prefi
425 * @param ... Zero or more POD type
427 void WriteAllExceptSender(userrec* user, char status, char* text, ...);
429 /** Write to all users on a channel except a specific user, using std::string for text
430 * @param user User whos details to prefix the line with, and to omit from receipt of the message
431 * @param status The status of the users to write to, e.g. '@' or '%'. Use a value of 0 to write to everyone
432 * @param text A std::string containing the output line without prefix
434 void WriteAllExceptSender(userrec* user, char status, const std::string& text);
436 /** Returns the maximum number of bans allowed to be set on this channel
437 * @return The maximum number of bans allowed
441 /** Return the channel's modes with parameters.
442 * @param showkey If this is set to true, the actual key is shown,
443 * otherwise it is replaced with '<KEY>'
444 * @return The channel mode string
446 char* ChanModes(bool showkey);
448 /** Spool the NAMES list for this channel to the given user
449 * @param The user to spool the NAMES list to
451 void UserList(userrec *user);
453 /** Get the number of invisible users on this channel
454 * @return Number of invisible users
456 int CountInvisible();
458 /** Get a users status on this channel
459 * @param The user to look up
460 * @return One of STATUS_OP, STATUS_HOP, STATUS_VOICE, or zero.
462 int GetStatus(userrec *user);
464 /** Get a users status on this channel in a bitmask
465 * @param The user to look up
466 * @return A bitmask containing zero or more of STATUS_OP, STATUS_HOP, STATUS_VOICE
468 int GetStatusFlags(userrec *user);
470 /** Get a users status on this channel in a string
471 * @param The user to look up
472 * @return A character array containing the string "@", "%", "+" or ""
474 const char* GetStatusChar(userrec *user);
476 void RemoveAllPrefixes(userrec* user);
478 void SetPrefix(userrec* user, char prefix, unsigned int prefix_rank, bool adding);
480 /** Destructor for chanrec
482 virtual ~chanrec() { /* stub */ }