Commit | Line | Data |
---|---|---|
f08c0859 RK |
1 | /* |
2 | * This file is part of DisOrder. | |
5ee84006 | 3 | * Copyright (C) 2004-2008 Richard Kettlewell |
f08c0859 RK |
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 | */ | |
05b75f8d | 20 | #include "disorder-server.h" |
f08c0859 RK |
21 | |
22 | /* the head of the queue is played next, so normally we add to the tail */ | |
66bb2e02 | 23 | struct queue_entry qhead = { &qhead, &qhead, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; |
f08c0859 RK |
24 | |
25 | /* the head of the recent list is the oldest thing, the tail the most recently | |
26 | * played */ | |
66bb2e02 | 27 | struct queue_entry phead = { &phead, &phead, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; |
f08c0859 | 28 | |
05b75f8d | 29 | long pcount; |
f08c0859 RK |
30 | |
31 | void queue_fix_sofar(struct queue_entry *q) { | |
32 | long sofar; | |
33 | ||
34 | /* Fake up SOFAR field for currently-playing tracks that don't have it filled | |
35 | * in by the speaker process. XXX this horrible bodge should go away when we | |
36 | * have a more general implementation of pausing as that field will always | |
37 | * have to be right for the playing track. */ | |
38 | if((q->state == playing_started | |
39 | || q->state == playing_paused) | |
40 | && q->type & DISORDER_PLAYER_PAUSES | |
41 | && (q->type & DISORDER_PLAYER_TYPEMASK) != DISORDER_PLAYER_RAW) { | |
42 | if(q->lastpaused) { | |
43 | if(q->uptopause == -1) /* Don't know how far thru. */ | |
44 | sofar = -1; | |
45 | else if(q->lastresumed) /* Has been paused and resumed. */ | |
46 | sofar = q->uptopause + time(0) - q->lastresumed; | |
47 | else /* Currently paused. */ | |
48 | sofar = q->uptopause; | |
49 | } else /* Never been paused. */ | |
50 | sofar = time(0) - q->played; | |
51 | q->sofar = sofar; | |
52 | } | |
53 | } | |
54 | ||
55 | static void queue_read_error(const char *msg, | |
56 | void *u) { | |
57 | fatal(0, "error parsing queue %s: %s", (const char *)u, msg); | |
58 | } | |
59 | ||
60 | static void queue_do_read(struct queue_entry *head, const char *path) { | |
61 | char *buffer; | |
62 | FILE *fp; | |
63 | struct queue_entry *q; | |
64 | ||
65 | if(!(fp = fopen(path, "r"))) { | |
66 | if(errno == ENOENT) | |
67 | return; /* no queue */ | |
68 | fatal(errno, "error opening %s", path); | |
69 | } | |
70 | head->next = head->prev = head; | |
71 | while(!inputline(path, fp, &buffer, '\n')) { | |
72 | q = xmalloc(sizeof *q); | |
73 | queue_unmarshall(q, buffer, queue_read_error, (void *)path); | |
74 | if(head == &qhead | |
75 | && (!q->track | |
76 | || !q->when)) | |
77 | fatal(0, "incomplete queue entry in %s", path); | |
05b75f8d | 78 | queue_insert_entry(head->prev, q); |
f08c0859 RK |
79 | } |
80 | if(ferror(fp)) fatal(errno, "error reading %s", path); | |
81 | fclose(fp); | |
82 | } | |
83 | ||
84 | void queue_read(void) { | |
85 | queue_do_read(&qhead, config_get_file("queue")); | |
86 | } | |
87 | ||
88 | void recent_read(void) { | |
89 | struct queue_entry *q; | |
90 | ||
91 | queue_do_read(&phead, config_get_file("recent")); | |
92 | /* reset pcount after loading */ | |
93 | pcount = 0; | |
94 | q = phead.next; | |
95 | while(q != &phead) { | |
96 | ++pcount; | |
97 | q = q->next; | |
98 | } | |
99 | } | |
100 | ||
101 | static void queue_do_write(const struct queue_entry *head, const char *path) { | |
102 | char *tmp; | |
103 | FILE *fp; | |
104 | struct queue_entry *q; | |
105 | ||
106 | byte_xasprintf(&tmp, "%s.new", path); | |
107 | if(!(fp = fopen(tmp, "w"))) fatal(errno, "error opening %s", tmp); | |
108 | for(q = head->next; q != head; q = q->next) | |
109 | if(fprintf(fp, "%s\n", queue_marshall(q)) < 0) | |
110 | fatal(errno, "error writing %s", tmp); | |
111 | if(fclose(fp) < 0) fatal(errno, "error closing %s", tmp); | |
112 | if(rename(tmp, path) < 0) fatal(errno, "error replacing %s", path); | |
113 | } | |
114 | ||
115 | void queue_write(void) { | |
116 | queue_do_write(&qhead, config_get_file("queue")); | |
117 | } | |
118 | ||
119 | void recent_write(void) { | |
120 | queue_do_write(&phead, config_get_file("recent")); | |
121 | } | |
122 | ||
f08c0859 RK |
123 | struct queue_entry *queue_find(const char *key) { |
124 | struct queue_entry *q; | |
125 | ||
126 | for(q = qhead.next; | |
127 | q != &qhead && strcmp(q->track, key) && strcmp(q->id, key); | |
128 | q = q->next) | |
129 | ; | |
130 | return q != &qhead ? q : 0; | |
131 | } | |
132 | ||
f08c0859 RK |
133 | /* |
134 | Local Variables: | |
135 | c-basic-offset:2 | |
136 | comment-column:40 | |
137 | fill-column:79 | |
138 | indent-tabs-mode:nil | |
139 | End: | |
140 | */ |