src/bnetd/watch.c

/*
 * Copyright (C) 1999,2000  Ross Combs (rocombs@cs.nmsu.edu)
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */
#define WATCH_INTERNAL_ACCESS
#include "common/setup_before.h"
#ifdef STDC_HEADERS
# include <stdlib.h>
#else
# ifdef HAVE_MALLOC_H
#  include <malloc.h>
# endif
#endif
#ifdef HAVE_STRING_H
# include <string.h>
#else
# ifdef HAVE_STRINGS_H
#  include <strings.h>
# endif
# ifdef HAVE_MEMORY_H
#  include <memory.h>
# endif
#endif
#include "compat/strcasecmp.h"
#include "common/field_sizes.h"
#include "common/list.h"
#include "account.h"
#include "connection.h"
#include "common/eventlog.h"
#include "message.h"
#include "watch.h"
#include "friends.h"
#include "common/tag.h"
#include "common/xalloc.h"
#include "common/setup_after.h"


static t_list * watchlist_head=NULL;


/* who == NULL means anybody */
extern int watchlist_add_events(t_connection * owner, t_account * who, t_clienttag clienttag, t_watch_event events)
{
    t_elem const * curr;
    t_watch_pair * pair;
    
    if (!owner)
    {
        eventlog(eventlog_level_error,__FUNCTION__,"got NULL owner");
        return -1;
    }

    LIST_TRAVERSE_CONST(watchlist_head,curr)
    {
        pair = elem_get_data(curr);
        if (!pair) /* should not happen */
        {
            eventlog(eventlog_level_error,__FUNCTION__,"watchlist contains NULL item");
            return -1;
        }
        if (pair->owner==owner && pair->who==who && ((clienttag == pair->clienttag)))
        {
            pair->what |= events;
            return 0;
        }
    }

    pair = xmalloc(sizeof(t_watch_pair));
    pair->owner = owner;
    pair->who   = who;
    pair->what  = events;
    pair->clienttag = clienttag;
    
    list_prepend_data(watchlist_head,pair);
    
    return 0;
}


/* who == NULL means anybody */
extern int watchlist_del_events(t_connection * owner, t_account * who, t_clienttag clienttag, t_watch_event events)
{
    t_elem *       curr;
    t_watch_pair * pair;
    
    if (!owner)
    {
        eventlog(eventlog_level_error,__FUNCTION__,"got NULL owner");
        return -1;
    }
    
    LIST_TRAVERSE(watchlist_head,curr)
    {
        pair = elem_get_data(curr);
        if (!pair) /* should not happen */
        {
            eventlog(eventlog_level_error,__FUNCTION__,"watchlist contains NULL item");
            return -1;
        }
        if (pair->owner==owner && pair->who==who && ((!clienttag) || (clienttag == pair->clienttag)))
        {
            pair->what &= ~events;
            if (pair->what==0)
            {
                if (list_remove_elem(watchlist_head,&curr)<0)
                {
                    eventlog(eventlog_level_error,__FUNCTION__,"could not remove item");
                    pair->owner = NULL;
                }
                else
                    xfree(pair);
            }
            
            return 0;
        }
    }
    
    return -1; /* not found */
}


/* this differs from del_events because it doesn't return an error if nothing was found */
extern int watchlist_del_all_events(t_connection * owner)
{
    t_elem *       curr;
    t_watch_pair * pair;
    
    if (!owner)
    {
        eventlog(eventlog_level_error,__FUNCTION__,"got NULL owner");
        return -1;
    }
    
    LIST_TRAVERSE(watchlist_head,curr)
    {
        pair = elem_get_data(curr);
        if (!pair) /* should not happen */
        {
            eventlog(eventlog_level_error,__FUNCTION__,"watchlist contains NULL item");
            return -1;
        }
        if (pair->owner==owner)
        {
            if (list_remove_elem(watchlist_head,&curr)<0)
            {
                eventlog(eventlog_level_error,__FUNCTION__,"could not remove item");
                pair->owner = NULL;
            }
            else
              { xfree(pair); }
        }
    }
    
    return 0;
}

/* this differs from del_events because it doesn't return an error if nothing was found */
extern int watchlist_del_by_account(t_account * who)
{
    t_elem *       curr;
    t_watch_pair * pair;
    
    if (!who)
    {
        eventlog(eventlog_level_error,__FUNCTION__,"got NULL account");
        return -1;
    }
    
    LIST_TRAVERSE(watchlist_head,curr)
    {
        pair = elem_get_data(curr);
        if (!pair) /* should not happen */
        {
            eventlog(eventlog_level_error,__FUNCTION__,"watchlist contains NULL item");
            return -1;
        }
        if (pair->who==who)
        {
            if (list_remove_elem(watchlist_head,&curr)<0)
            {
                eventlog(eventlog_level_error,__FUNCTION__,"could not remove item");
                pair->owner = NULL;
            }
            else
              { xfree(pair); }
        }
    }
    
    return 0;
}

static int handle_event_whisper(t_account *account, char const *gamename, t_clienttag clienttag, t_watch_event event)
{
    t_elem const * curr;
    t_watch_pair * pair;
    char msg[512];
    int cnt = 0;
    char const *myusername;
    t_list * flist;
    t_connection * dest_c, * my_c;
    t_friend * fr;
    char const * game_title;

    if (!account)
    {
        eventlog(eventlog_level_error,__FUNCTION__,"got NULL account");
        return -1;
    }

    if (!(myusername = account_get_name(account)))
    {
        eventlog(eventlog_level_error,__FUNCTION__,"got NULL account name");
        return -1;
    }

    my_c = account_get_conn(account);

    game_title = clienttag_get_title(clienttag);

    /* mutual friends handling */
    flist = account_get_friends(account);
    if(flist)
    {
        if (event == watch_event_joingame) {
            if (gamename)
                sprintf(msg,"Your friend %s has entered a %s game named \"%s\".",myusername,game_title,gamename);
            else
                sprintf(msg,"Your friend %s has entered a %s game",myusername,game_title);
        }
        if (event == watch_event_leavegame)sprintf(msg,"Your friend %s has left a %s game.",myusername,game_title);
        if (event == watch_event_login)    sprintf(msg,"Your friend %s has entered the PvPGN Realm.",myusername);
        if (event == watch_event_logout)   sprintf(msg,"Your friend %s has left the PvPGN Realm",myusername);
        LIST_TRAVERSE(flist,curr)
        { 
            if (!(fr = elem_get_data(curr)))
            {
                eventlog(eventlog_level_error,__FUNCTION__,"found NULL entry in list");
                continue;
            }
        
            dest_c = connlist_find_connection_by_account(fr->friendacc);
      
            if (dest_c==NULL) /* If friend is offline, go on to next */
                continue;
            else { 
                if (!my_c) my_c = dest_c;
                cnt++;  /* keep track of successful whispers */
                if(friend_get_mutual(fr))
                    message_send_text(dest_c,message_type_whisper,my_c,msg);
            }
        }
    }
    if (cnt) eventlog(eventlog_level_info,__FUNCTION__,"notified %d friends about %s",cnt,myusername);

    /* watchlist handling */

    if (event == watch_event_joingame) 
    {
        if (gamename)
            sprintf(msg,"Watched user %s has entered a %s game named \"%s\".",myusername,game_title,gamename);
        else
            sprintf(msg,"Watched user %s has entered a %s game",myusername,game_title);
    }

    if (event == watch_event_leavegame)sprintf(msg,"Watched user %s has left a %s game.",myusername,game_title);
    if (event == watch_event_login)    sprintf(msg,"Watched user %s has entered the PvPGN Realm.",myusername);
    if (event == watch_event_logout)   sprintf(msg,"Watched user %s has left the PvPGN Realm",myusername);

    LIST_TRAVERSE_CONST(watchlist_head,curr)
    {
      pair = elem_get_data(curr);
      if (!pair) /* should not happen */
        {
          eventlog(eventlog_level_error,__FUNCTION__,"watchlist contains NULL item");
          return -1;
        }
        if (pair->owner && (!pair->who || pair->who==account) && ((!pair->clienttag) || (clienttag == pair->clienttag)) && (pair->what&event))
        {
            if (!my_c) my_c = pair->owner;
            message_send_text(pair->owner,message_type_whisper,my_c,msg);
        }
    }
  
    return 0;
}

extern int watchlist_notify_event(t_account * who, char const * gamename, t_clienttag clienttag, t_watch_event event)
{

    switch (event)
    {
    case watch_event_login:
    case watch_event_logout:
    case watch_event_joingame:
    case watch_event_leavegame:
      handle_event_whisper(who,gamename,clienttag,event);
      break;
    default:
      eventlog(eventlog_level_error,__FUNCTION__,"got unknown event %u",(unsigned int)event);
      return -1;
    }
    return 0;
}


extern int watchlist_create(void)
{
    watchlist_head = list_create();
    return 0;
}


extern int watchlist_destroy(void)
{
    t_elem *       curr;
    t_watch_pair * pair;
    
    if (watchlist_head)
    {
        LIST_TRAVERSE(watchlist_head,curr)
        {
            pair = elem_get_data(curr);
            if (!pair) /* should not happen */
            {
                eventlog(eventlog_level_error,__FUNCTION__,"watchlist contains NULL item");
                continue;
            }
            
            if (list_remove_elem(watchlist_head,&curr)<0)
                eventlog(eventlog_level_error,__FUNCTION__,"could not remove item from list");
            xfree(pair);
        }
        
        if (list_destroy(watchlist_head)<0)
            return -1;
        watchlist_head = NULL;
    }
    
    return 0;
}

1	/*
2	* Copyright (C) 1999,2000 Ross Combs (rocombs@cs.nmsu.edu)
3	*
4	* This program is free software; you can redistribute it and/or
5	* modify it under the terms of the GNU General Public License
6	* as published by the Free Software Foundation; either version 2
7	* of the License, or (at your option) any later version.
8	*
9	* This program is distributed in the hope that it will be useful,
10	* but WITHOUT ANY WARRANTY; without even the implied warranty of
11	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12	* GNU General Public License for more details.
13	*
14	* You should have received a copy of the GNU General Public License
15	* along with this program; if not, write to the Free Software
16	* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
17	*/
18	#define WATCH_INTERNAL_ACCESS
19	#include "common/setup_before.h"
20	#ifdef STDC_HEADERS
21	# include <stdlib.h>
22	#else
23	# ifdef HAVE_MALLOC_H
24	# include <malloc.h>
25	# endif
26	#endif
27	#ifdef HAVE_STRING_H
28	# include <string.h>
29	#else
30	# ifdef HAVE_STRINGS_H
31	# include <strings.h>
32	# endif
33	# ifdef HAVE_MEMORY_H
34	# include <memory.h>
35	# endif
36	#endif
37	#include "compat/strcasecmp.h"
38	#include "common/field_sizes.h"
39	#include "common/list.h"
40	#include "account.h"
41	#include "connection.h"
42	#include "common/eventlog.h"
43	#include "message.h"
44	#include "watch.h"
45	#include "friends.h"
46	#include "common/tag.h"
47	#include "common/xalloc.h"
48	#include "common/setup_after.h"
49
50
51	static t_list * watchlist_head=NULL;
52
53
54	/* who == NULL means anybody */
55	extern int watchlist_add_events(t_connection * owner, t_account * who, t_clienttag clienttag, t_watch_event events)
56	{
57	t_elem const * curr;
58	t_watch_pair * pair;
59
60	if (!owner)
61	{
62	eventlog(eventlog_level_error,__FUNCTION__,"got NULL owner");
63	return -1;
64	}
65
66	LIST_TRAVERSE_CONST(watchlist_head,curr)
67	{
68	pair = elem_get_data(curr);
69	if (!pair) /* should not happen */
70	{
71	eventlog(eventlog_level_error,__FUNCTION__,"watchlist contains NULL item");
72	return -1;
73	}
74	if (pair->owner==owner && pair->who==who && ((clienttag == pair->clienttag)))
75	{
76	pair->what \|= events;
77	return 0;
78	}
79	}
80
81	pair = xmalloc(sizeof(t_watch_pair));
82	pair->owner = owner;
83	pair->who = who;
84	pair->what = events;
85	pair->clienttag = clienttag;
86
87	list_prepend_data(watchlist_head,pair);
88
89	return 0;
90	}
91
92
93	/* who == NULL means anybody */
94	extern int watchlist_del_events(t_connection * owner, t_account * who, t_clienttag clienttag, t_watch_event events)
95	{
96	t_elem * curr;
97	t_watch_pair * pair;
98
99	if (!owner)
100	{
101	eventlog(eventlog_level_error,__FUNCTION__,"got NULL owner");
102	return -1;
103	}
104
105	LIST_TRAVERSE(watchlist_head,curr)
106	{
107	pair = elem_get_data(curr);
108	if (!pair) /* should not happen */
109	{
110	eventlog(eventlog_level_error,__FUNCTION__,"watchlist contains NULL item");
111	return -1;
112	}
113	if (pair->owner==owner && pair->who==who && ((!clienttag) \|\| (clienttag == pair->clienttag)))
114	{
115	pair->what &= ~events;
116	if (pair->what==0)
117	{
118	if (list_remove_elem(watchlist_head,&curr)<0)
119	{
120	eventlog(eventlog_level_error,__FUNCTION__,"could not remove item");
121	pair->owner = NULL;
122	}
123	else
124	xfree(pair);
125	}
126
127	return 0;
128	}
129	}
130
131	return -1; /* not found */
132	}
133
134
135	/* this differs from del_events because it doesn't return an error if nothing was found */
136	extern int watchlist_del_all_events(t_connection * owner)
137	{
138	t_elem * curr;
139	t_watch_pair * pair;
140
141	if (!owner)
142	{
143	eventlog(eventlog_level_error,__FUNCTION__,"got NULL owner");
144	return -1;
145	}
146
147	LIST_TRAVERSE(watchlist_head,curr)
148	{
149	pair = elem_get_data(curr);
150	if (!pair) /* should not happen */
151	{
152	eventlog(eventlog_level_error,__FUNCTION__,"watchlist contains NULL item");
153	return -1;
154	}
155	if (pair->owner==owner)
156	{
157	if (list_remove_elem(watchlist_head,&curr)<0)
158	{
159	eventlog(eventlog_level_error,__FUNCTION__,"could not remove item");
160	pair->owner = NULL;
161	}
162	else
163	{ xfree(pair); }
164	}
165	}
166
167	return 0;
168	}
169
170	/* this differs from del_events because it doesn't return an error if nothing was found */
171	extern int watchlist_del_by_account(t_account * who)
172	{
173	t_elem * curr;
174	t_watch_pair * pair;
175
176	if (!who)
177	{
178	eventlog(eventlog_level_error,__FUNCTION__,"got NULL account");
179	return -1;
180	}
181
182	LIST_TRAVERSE(watchlist_head,curr)
183	{
184	pair = elem_get_data(curr);
185	if (!pair) /* should not happen */
186	{
187	eventlog(eventlog_level_error,__FUNCTION__,"watchlist contains NULL item");
188	return -1;
189	}
190	if (pair->who==who)
191	{
192	if (list_remove_elem(watchlist_head,&curr)<0)
193	{
194	eventlog(eventlog_level_error,__FUNCTION__,"could not remove item");
195	pair->owner = NULL;
196	}
197	else
198	{ xfree(pair); }
199	}
200	}
201
202	return 0;
203	}
204
205	static int handle_event_whisper(t_account account, char const gamename, t_clienttag clienttag, t_watch_event event)
206	{
207	t_elem const * curr;
208	t_watch_pair * pair;
209	char msg[512];
210	int cnt = 0;
211	char const *myusername;
212	t_list * flist;
213	t_connection * dest_c, * my_c;
214	t_friend * fr;
215	char const * game_title;
216
217	if (!account)
218	{
219	eventlog(eventlog_level_error,__FUNCTION__,"got NULL account");
220	return -1;
221	}
222
223	if (!(myusername = account_get_name(account)))
224	{
225	eventlog(eventlog_level_error,__FUNCTION__,"got NULL account name");
226	return -1;
227	}
228
229	my_c = account_get_conn(account);
230
231	game_title = clienttag_get_title(clienttag);
232
233	/* mutual friends handling */
234	flist = account_get_friends(account);
235	if(flist)
236	{
237	if (event == watch_event_joingame) {
238	if (gamename)
239	sprintf(msg,"Your friend %s has entered a %s game named \"%s\".",myusername,game_title,gamename);
240	else
241	sprintf(msg,"Your friend %s has entered a %s game",myusername,game_title);
242	}
243	if (event == watch_event_leavegame)sprintf(msg,"Your friend %s has left a %s game.",myusername,game_title);
244	if (event == watch_event_login) sprintf(msg,"Your friend %s has entered the PvPGN Realm.",myusername);
245	if (event == watch_event_logout) sprintf(msg,"Your friend %s has left the PvPGN Realm",myusername);
246	LIST_TRAVERSE(flist,curr)
247	{
248	if (!(fr = elem_get_data(curr)))
249	{
250	eventlog(eventlog_level_error,__FUNCTION__,"found NULL entry in list");
251	continue;
252	}
253
254	dest_c = connlist_find_connection_by_account(fr->friendacc);
255
256	if (dest_c==NULL) /* If friend is offline, go on to next */
257	continue;
258	else {
259	if (!my_c) my_c = dest_c;
260	cnt++; /* keep track of successful whispers */
261	if(friend_get_mutual(fr))
262	message_send_text(dest_c,message_type_whisper,my_c,msg);
263	}
264	}
265	}
266	if (cnt) eventlog(eventlog_level_info,__FUNCTION__,"notified %d friends about %s",cnt,myusername);
267
268	/* watchlist handling */
269
270	if (event == watch_event_joingame)
271	{
272	if (gamename)
273	sprintf(msg,"Watched user %s has entered a %s game named \"%s\".",myusername,game_title,gamename);
274	else
275	sprintf(msg,"Watched user %s has entered a %s game",myusername,game_title);
276	}
277
278	if (event == watch_event_leavegame)sprintf(msg,"Watched user %s has left a %s game.",myusername,game_title);
279	if (event == watch_event_login) sprintf(msg,"Watched user %s has entered the PvPGN Realm.",myusername);
280	if (event == watch_event_logout) sprintf(msg,"Watched user %s has left the PvPGN Realm",myusername);
281
282	LIST_TRAVERSE_CONST(watchlist_head,curr)
283	{
284	pair = elem_get_data(curr);
285	if (!pair) /* should not happen */
286	{
287	eventlog(eventlog_level_error,__FUNCTION__,"watchlist contains NULL item");
288	return -1;
289	}
290	if (pair->owner && (!pair->who \|\| pair->who==account) && ((!pair->clienttag) \|\| (clienttag == pair->clienttag)) && (pair->what&event))
291	{
292	if (!my_c) my_c = pair->owner;
293	message_send_text(pair->owner,message_type_whisper,my_c,msg);
294	}
295	}
296
297	return 0;
298	}
299
300	extern int watchlist_notify_event(t_account * who, char const * gamename, t_clienttag clienttag, t_watch_event event)
301	{
302
303	switch (event)
304	{
305	case watch_event_login:
306	case watch_event_logout:
307	case watch_event_joingame:
308	case watch_event_leavegame:
309	handle_event_whisper(who,gamename,clienttag,event);
310	break;
311	default:
312	eventlog(eventlog_level_error,__FUNCTION__,"got unknown event %u",(unsigned int)event);
313	return -1;
314	}
315	return 0;
316	}
317
318
319	extern int watchlist_create(void)
320	{
321	watchlist_head = list_create();
322	return 0;
323	}
324
325
326	extern int watchlist_destroy(void)
327	{
328	t_elem * curr;
329	t_watch_pair * pair;
330
331	if (watchlist_head)
332	{
333	LIST_TRAVERSE(watchlist_head,curr)
334	{
335	pair = elem_get_data(curr);
336	if (!pair) /* should not happen */
337	{
338	eventlog(eventlog_level_error,__FUNCTION__,"watchlist contains NULL item");
339	continue;
340	}
341
342	if (list_remove_elem(watchlist_head,&curr)<0)
343	eventlog(eventlog_level_error,__FUNCTION__,"could not remove item from list");
344	xfree(pair);
345	}
346
347	if (list_destroy(watchlist_head)<0)
348	return -1;
349	watchlist_head = NULL;
350	}
351
352	return 0;
353	}
354
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