ermyth/include/channels.h

/*
 * Copyright © 2005 William Pitcock, et al.
 * Rights to this code are as documented in doc/pod/license.pod.
 *
 * Data structures for channel information.
 *
 * $Id: channels.h,v 1.4 2007-08-30 06:57:25 pippijn Exp $
 */

#ifndef CHANNELS_H
#define CHANNELS_H

#include <map>

#include <ermyth/callback.h>

#define MAXEXTMODES 5

// Channel modes
enum
{
  CMODE_INVITE    = 1 << 0,
  CMODE_KEY       = 1 << 1,
  CMODE_LIMIT     = 1 << 2,
  CMODE_MOD       = 1 << 3,
  CMODE_NOEXT     = 1 << 4,
  CMODE_OP        = 1 << 5,     /* SPECIAL */
  CMODE_PRIV      = 1 << 6,     /* AKA PARA */
  CMODE_SEC       = 1 << 7,
  CMODE_TOPIC     = 1 << 8,
  CMODE_VOICE     = 1 << 9      /* SPECIAL */
};

class channel_t : public zero_initialised
{
  struct callbacks
  {
    functor::callback1<channel_t *> add;
    functor::callback1<channel_t *> akick_add;
    functor::callback1<channel_t *> remove;
    functor::callback6<channel_t *, user_t *, server_t *,
                       char const * const /* setter */,
                       time_t             /* ts */,
                       char const * const /* topic */,
                       bool               /* return value */> can_change_topic;
    functor::callback3<channel_t *, user_t *, char const * const> message;
    functor::callback1<channel_t *> topic;
    functor::callback1<channel_t *> tschange;
  };

public:
  unsigned modes;

  char *name;

  char *key;
  unsigned int limit;
  char *extmodes[MAXEXTMODES];  /* non-standard simple modes with param eg +j */

  unsigned int nummembers;

  time_t ts;

  char *topic;
  char *topic_setter;
  time_t topicts;

  list_t members;
  list_t bans;

  static callbacks callback;
};

/* struct for channel memberships */
class chanuser_t : public zero_initialised
{
  struct callbacks
  {
    functor::callback1<chanuser_t *, bool> join;
    functor::callback1<chanuser_t *> part;
  };

public:
  unsigned modes;

  channel_t *chan;
  user_t *user;
  node_t unode;
  node_t cnode;

  static callbacks callback;
};

struct chanban_t : zero_initialised
{
  channel_t *chan;
  char *mask;
  int type;                     /* 'b', 'e', 'I', etc -- jilles */
};

enum mtype
{
  MTYPE_NUL,
  MTYPE_ADD,
  MTYPE_DEL
};

struct cmode_t
{
  char mode;
  unsigned int value;
};

struct extmode_t
{
  char mode;
  bool (*check) (char const * const, channel_t *, mychan_t *, user_t *, myuser_t *);
};

#if 0
/* channel related hooks */
typedef struct
{
  chanuser_t *cu;               /* Write NULL here if you kicked the user.
                                   When kicking the last user, you must join a
                                   service first, otherwise the channel may be
                                   destroyed and crashes may occur. The service may
                                   not part until you return; chanserv provides
                                   MC_INHABIT to help with this.
                                   This also prevents kick/rejoin floods.
                                   If this is NULL, a previous function kicked
                                   the user */
} hook_channel_joinpart_t;

typedef struct
{
  user_t *u;
  channel_t *c;
  char *msg;
} hook_cmessage_data_t;

struct hook_channel_topic_check_t
{
  user_t *u;                    /* Online user that changed the topic */
  server_t *s;                  /* Server that restored a topic */
  channel_t *c;                 /* Channel still has old topic */
  char const * const setter;    /* Stored setter string, can be nick, nick!user@host
                                   or server */
  time_t ts;                    /* Time the topic was changed */
  char const * const topic;     /* New topic */
  int approved;                 /* Write non-zero here to cancel the change */

  hook_channel_topic_check_t (char const * const _setter, char const * const _topic)
  : setter (_setter), topic (_topic)
  {
  }
};
#endif

/* cmode.C */
E char *flags_to_string (int flags);
E int mode_to_flag (char c);
E void channel_mode (user_t *source, channel_t *chan, int parc, char const * const parv[]);
E void channel_mode (user_t *source, channel_t *chan, char const * const arg);
E void channel_mode_va (user_t *source, channel_t *chan, int parc, char const * const parv0, ...);
E void clear_simple_modes (channel_t *c);
E char *channel_modes (channel_t *c, bool doparams);
E void modestack_flush_channel (channel_t *channel);
E void modestack_forget_channel (channel_t *channel);
E void modestack_finalize_channel (channel_t *channel);
E void modestack_mode_simple (char *source, channel_t *channel, mtype dir, int flags);
E void modestack_mode_limit (char *source, channel_t *channel, mtype dir, unsigned int limit);
E void modestack_mode_ext (char *source, channel_t *channel, mtype dir, int i, char const * const value);
E void modestack_mode_param (char *source, channel_t *channel, mtype dir, char type, char const * const value);
E void check_modes (mychan_t *mychan, bool sendnow);

/* channels.C */
typedef std::pair<char const * const, channel_t *> channel_pair;
typedef std::map<char const * const, channel_t *, irccase_lt> channel_map;
E channel_map chanlist;

E void init_channels (void);

E channel_t *channel_add (char const * const name, unsigned int ts, server_t *creator);
E void channel_delete (channel_t *c);
E channel_t *channel_find (char const * const name);

E chanuser_t *chanuser_add (channel_t *chan, char const * const user);
E void chanuser_delete (channel_t *chan, user_t *user);
E chanuser_t *chanuser_find (channel_t *chan, user_t *user);

E chanban_t *chanban_add (channel_t *chan, char const * const mask, int type);
E void chanban_delete (chanban_t *c);
E chanban_t *chanban_find (channel_t *chan, char const * const mask, int type);
E void chanban_clear (channel_t *chan);

#endif
Revision:	1.5
Committed:	Wed Sep 5 11:23:13 2007 UTC (16 years, 9 months ago) by pippijn
Content type:	text/plain
Branch:	MAIN
Changes since 1.4:	+31 -23 lines
Log Message:	removed GPLed code and put license back to BSD
#	User	Rev	Content
1	pippijn	1.1	/*
2	pippijn	1.3	* Copyright © 2005 William Pitcock, et al.
3	pippijn	1.2	* Rights to this code are as documented in doc/pod/license.pod.
4	pippijn	1.1	*
5			* Data structures for channel information.
6			*
7	pippijn	1.5	* $Id: channels.h,v 1.4 2007-08-30 06:57:25 pippijn Exp $
8	pippijn	1.1	*/
9
10			#ifndef CHANNELS_H
11			#define CHANNELS_H
12
13	pippijn	1.4	#include <map>
14
15	pippijn	1.3	#include <ermyth/callback.h>
16
17	pippijn	1.1	#define MAXEXTMODES 5
18
19	pippijn	1.5	// Channel modes
20			enum
21			{
22			CMODE_INVITE = 1 << 0,
23			CMODE_KEY = 1 << 1,
24			CMODE_LIMIT = 1 << 2,
25			CMODE_MOD = 1 << 3,
26			CMODE_NOEXT = 1 << 4,
27			CMODE_OP = 1 << 5, /* SPECIAL */
28			CMODE_PRIV = 1 << 6, /* AKA PARA */
29			CMODE_SEC = 1 << 7,
30			CMODE_TOPIC = 1 << 8,
31			CMODE_VOICE = 1 << 9 /* SPECIAL */
32			};
33
34	pippijn	1.3	class channel_t : public zero_initialised
35	pippijn	1.1	{
36	pippijn	1.3	struct callbacks
37			{
38			functor::callback1<channel_t *> add;
39			functor::callback1<channel_t *> akick_add;
40			functor::callback1<channel_t *> remove;
41			functor::callback6<channel_t , user_t , server_t *,
42			char const * const /* setter */,
43			time_t /* ts */,
44			char const * const /* topic */,
45			bool /* return value */> can_change_topic;
46			functor::callback3<channel_t , user_t , char const * const> message;
47			functor::callback1<channel_t *> topic;
48			functor::callback1<channel_t *> tschange;
49			};
50
51			public:
52	pippijn	1.5	unsigned modes;
53
54	pippijn	1.1	char *name;
55
56			char *key;
57			unsigned int limit;
58			char extmodes[MAXEXTMODES]; / non-standard simple modes with param eg +j */
59
60			unsigned int nummembers;
61
62			time_t ts;
63
64			char *topic;
65			char *topic_setter;
66			time_t topicts;
67
68			list_t members;
69			list_t bans;
70	pippijn	1.3
71			static callbacks callback;
72	pippijn	1.1	};
73
74			/* struct for channel memberships */
75	pippijn	1.3	class chanuser_t : public zero_initialised
76	pippijn	1.1	{
77	pippijn	1.3	struct callbacks
78			{
79			functor::callback1<chanuser_t *, bool> join;
80			functor::callback1<chanuser_t *> part;
81			};
82
83			public:
84	pippijn	1.5	unsigned modes;
85
86	pippijn	1.1	channel_t *chan;
87			user_t *user;
88			node_t unode;
89			node_t cnode;
90	pippijn	1.3
91			static callbacks callback;
92	pippijn	1.1	};
93
94	pippijn	1.3	struct chanban_t : zero_initialised
95	pippijn	1.1	{
96			channel_t *chan;
97			char *mask;
98			int type; /* 'b', 'e', 'I', etc -- jilles */
99			};
100
101	pippijn	1.5	enum mtype
102			{
103			MTYPE_NUL,
104			MTYPE_ADD,
105			MTYPE_DEL
106			};
107	pippijn	1.1
108			struct cmode_t
109			{
110			char mode;
111			unsigned int value;
112			};
113
114	pippijn	1.5	struct extmode_t
115	pippijn	1.1	{
116			char mode;
117	pippijn	1.3	bool (check) (char const const, channel_t , mychan_t , user_t , myuser_t );
118	pippijn	1.1	};
119
120	pippijn	1.3	#if 0
121	pippijn	1.1	/* channel related hooks */
122			typedef struct
123			{
124			chanuser_t cu; / Write NULL here if you kicked the user.
125			When kicking the last user, you must join a
126			service first, otherwise the channel may be
127			destroyed and crashes may occur. The service may
128			not part until you return; chanserv provides
129			MC_INHABIT to help with this.
130			This also prevents kick/rejoin floods.
131			If this is NULL, a previous function kicked
132			the user */
133			} hook_channel_joinpart_t;
134
135			typedef struct
136			{
137			user_t *u;
138			channel_t *c;
139			char *msg;
140			} hook_cmessage_data_t;
141
142	pippijn	1.3	struct hook_channel_topic_check_t
143	pippijn	1.1	{
144			user_t u; / Online user that changed the topic */
145			server_t s; / Server that restored a topic */
146			channel_t c; / Channel still has old topic */
147	pippijn	1.3	char const * const setter; /* Stored setter string, can be nick, nick!user@host
148	pippijn	1.1	or server */
149			time_t ts; /* Time the topic was changed */
150	pippijn	1.3	char const * const topic; /* New topic */
151	pippijn	1.1	int approved; /* Write non-zero here to cancel the change */
152
153	pippijn	1.3	hook_channel_topic_check_t (char const * const _setter, char const * const _topic)
154			: setter (_setter), topic (_topic)
155			{
156			}
157			};
158			#endif
159
160			/* cmode.C */
161	pippijn	1.1	E char *flags_to_string (int flags);
162			E int mode_to_flag (char c);
163	pippijn	1.3	E void channel_mode (user_t source, channel_t chan, int parc, char const * const parv[]);
164			E void channel_mode (user_t source, channel_t chan, char const * const arg);
165			E void channel_mode_va (user_t source, channel_t chan, int parc, char const * const parv0, ...);
166	pippijn	1.1	E void clear_simple_modes (channel_t *c);
167			E char channel_modes (channel_t c, bool doparams);
168			E void modestack_flush_channel (channel_t *channel);
169			E void modestack_forget_channel (channel_t *channel);
170			E void modestack_finalize_channel (channel_t *channel);
171	pippijn	1.5	E void modestack_mode_simple (char source, channel_t channel, mtype dir, int flags);
172			E void modestack_mode_limit (char source, channel_t channel, mtype dir, unsigned int limit);
173			E void modestack_mode_ext (char source, channel_t channel, mtype dir, int i, char const * const value);
174			E void modestack_mode_param (char source, channel_t channel, mtype dir, char type, char const * const value);
175	pippijn	1.1	E void check_modes (mychan_t *mychan, bool sendnow);
176
177	pippijn	1.3	/* channels.C */
178	pippijn	1.4	typedef std::pair<char const * const, channel_t *> channel_pair;
179			typedef std::map<char const * const, channel_t *, irccase_lt> channel_map;
180			E channel_map chanlist;
181	pippijn	1.1
182			E void init_channels (void);
183
184	pippijn	1.3	E channel_t channel_add (char const const name, unsigned int ts, server_t *creator);
185	pippijn	1.1	E void channel_delete (channel_t *c);
186	pippijn	1.3	E channel_t channel_find (char const const name);
187	pippijn	1.1
188	pippijn	1.3	E chanuser_t chanuser_add (channel_t chan, char const * const user);
189	pippijn	1.1	E void chanuser_delete (channel_t chan, user_t user);
190			E chanuser_t chanuser_find (channel_t chan, user_t *user);
191
192	pippijn	1.3	E chanban_t chanban_add (channel_t chan, char const * const mask, int type);
193	pippijn	1.1	E void chanban_delete (chanban_t *c);
194	pippijn	1.3	E chanban_t chanban_find (channel_t chan, char const * const mask, int type);
195	pippijn	1.1	E void chanban_clear (channel_t *chan);
196
197			#endif