Quieten over-pick compiler.
[disorder] / server / server-queue.h
1 /*
2 * This file is part of DisOrder.
3 * Copyright (C) 2004, 2005, 2006, 2007 Richard Kettlewell
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
18 * USA
19 */
20
21 #ifndef SERVER_QUEUE_H
22 #define SERVER_QUEUE_H
23
24 extern struct queue_entry qhead;
25 /* queue of things yet to be played. the head will be played
26 * soonest. */
27
28 extern struct queue_entry phead;
29 /* things that have been played in the past. the head is the oldest. */
30
31 void queue_read(void);
32 /* read the queue in. Calls @fatal@ on error. */
33
34 void queue_write(void);
35 /* write the queue out. Calls @fatal@ on error. */
36
37 void recent_read(void);
38 /* read the recently played list in. Calls @fatal@ on error. */
39
40 void recent_write(void);
41 /* write the recently played list out. Calls @fatal@ on error. */
42
43 struct queue_entry *queue_add(const char *track, const char *submitter,
44 int where);
45 #define WHERE_START 0 /* Add to head of queue */
46 #define WHERE_END 1 /* Add to end of queue */
47 #define WHERE_BEFORE_RANDOM 2 /* End, or before random track */
48 /* add an entry to the queue. Return a pointer to the new entry. */
49
50 void queue_remove(struct queue_entry *q, const char *who);
51 /* remove an from the queue */
52
53 struct queue_entry *queue_find(const char *key);
54 /* find a track in the queue by name or ID */
55
56 void queue_played(struct queue_entry *q);
57 /* add @q@ to the played list */
58
59 int queue_move(struct queue_entry *q, int delta, const char *who);
60 /* move element @q@ in the queue towards the front (@delta@ > 0) or towards the
61 * back (@delta@ < 0). The return value is the leftover delta once we've hit
62 * the end in whichever direction we were going. */
63
64 void queue_moveafter(struct queue_entry *target,
65 int nqs, struct queue_entry **qs, const char *who);
66 /* Move all the elements QS to just after TARGET, or to the head if
67 * TARGET=0. */
68
69 void queue_fix_sofar(struct queue_entry *q);
70 /* Fix up the sofar field for standalone players */
71
72 #endif /* SERVER_QUEUE_H */
73
74
75 /*
76 Local Variables:
77 c-basic-offset:2
78 comment-column:40
79 fill-column:79
80 indent-tabs-mode:nil
81 End:
82 */