fixup mpd stuff
[monky] / src / mpd.c
1 /*
2  * Conky, a system monitor, based on torsmo
3  *
4  * Any original torsmo code is licensed under the BSD license
5  *
6  * All code written since the fork of torsmo is licensed under the GPL
7  *
8  * Please see COPYING for details
9  *
10  * Copyright (c) 2005-2007 Brenden Matthews, Philip Kovacs, et. al. (see AUTHORS)
11  * All rights reserved.
12  *
13  * This program is free software: you can redistribute it and/or modify
14  * it under the terms of the GNU General Public License as published by
15  * the Free Software Foundation, either version 3 of the License, or
16  * (at your option) any later version.
17  *
18  * This program is distributed in the hope that it will be useful,
19  * but WITHOUT ANY WARRANTY; without even the implied warranty of
20  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
21  * GNU General Public License for more details.
22  * You should have received a copy of the GNU General Public License
23  * along with this program.  If not, see <http://www.gnu.org/licenses/>. 
24  *
25  *  $Id$
26  */
27
28 #include "conky.h"
29 #include <stdio.h>
30 #include <string.h>
31 #include <stdlib.h>
32 #include "libmpdclient.h"
33
34 timed_thread *mpd_timed_thread = NULL;
35
36 void clear_mpd_stats(struct information *current_info)
37 {
38         if (current_info->mpd.artist == NULL)
39                 current_info->mpd.artist = malloc(TEXT_BUFFER_SIZE);
40         if (current_info->mpd.album == NULL)
41                 current_info->mpd.album = malloc(TEXT_BUFFER_SIZE);
42         if (current_info->mpd.title == NULL)
43                 current_info->mpd.title = malloc(TEXT_BUFFER_SIZE);
44         if (current_info->mpd.random == NULL)
45                 current_info->mpd.random = malloc(TEXT_BUFFER_SIZE);
46         if (current_info->mpd.repeat == NULL)
47                 current_info->mpd.repeat = malloc(TEXT_BUFFER_SIZE);
48         if (current_info->mpd.track == NULL)
49                 current_info->mpd.track = malloc(TEXT_BUFFER_SIZE);
50         if (current_info->mpd.status == NULL)
51                 current_info->mpd.status = malloc(TEXT_BUFFER_SIZE);
52         if (current_info->mpd.name == NULL)
53                 current_info->mpd.name = malloc(TEXT_BUFFER_SIZE);
54         if (current_info->mpd.file == NULL)
55                 current_info->mpd.file = malloc(TEXT_BUFFER_SIZE);
56
57         *current_info->mpd.name=0;
58         *current_info->mpd.file=0;
59         *current_info->mpd.artist=0;
60         *current_info->mpd.album=0;
61         *current_info->mpd.title=0;
62         *current_info->mpd.random=0;
63         *current_info->mpd.repeat=0;
64         *current_info->mpd.track=0;
65         *current_info->mpd.status=0;
66         current_info->mpd.bitrate = 0;
67         current_info->mpd.progress = 0;
68         current_info->mpd.elapsed = 0;
69         current_info->mpd.length = 0;
70 }
71
72 void *update_mpd(void)
73 {
74         struct information *current_info = &info;
75         while (1) {
76                 if (!current_info->conn) {
77                         current_info->conn = mpd_newConnection(current_info->mpd.host, current_info->mpd.port, 10);
78                 }
79                 if (strlen(current_info->mpd.password) > 1) {
80                         mpd_sendPasswordCommand(current_info->conn,
81                                         current_info->mpd.password);
82                         mpd_finishCommand(current_info->conn);
83                 }
84
85                 if (current_info->conn->error || current_info->conn == NULL) {
86                         //ERR("%MPD error: s\n", current_info->conn->errorStr);
87                         mpd_closeConnection(current_info->conn);
88                         current_info->conn = 0;
89
90                         strncpy(current_info->mpd.status, "MPD not responding", TEXT_BUFFER_SIZE - 1);
91                         if (timed_thread_test(mpd_timed_thread)) timed_thread_exit(mpd_timed_thread);
92                         continue;
93                 }
94
95                 timed_thread_lock(mpd_timed_thread);
96                 mpd_Status *status;
97                 mpd_InfoEntity *entity;
98                 mpd_sendCommandListOkBegin(current_info->conn);
99                 mpd_sendStatusCommand(current_info->conn);
100                 mpd_sendCurrentSongCommand(current_info->conn);
101                 mpd_sendCommandListEnd(current_info->conn);
102                 if ((status = mpd_getStatus(current_info->conn)) == NULL) {
103                         //ERR("MPD error: %s\n", current_info->conn->errorStr);
104                         mpd_closeConnection(current_info->conn);
105                         current_info->conn = 0;
106
107                         strncpy(current_info->mpd.status, "MPD not responding", TEXT_BUFFER_SIZE - 1);
108                         timed_thread_unlock(mpd_timed_thread);
109                         if (timed_thread_test(mpd_timed_thread)) timed_thread_exit(mpd_timed_thread);
110                         continue;
111                 }
112
113                 current_info->mpd.volume = status->volume;
114                 //if (status->error)
115                 //printf("error: %s\n", status->error);
116
117                 if (status->state == MPD_STATUS_STATE_PLAY) {
118                         strncpy(current_info->mpd.status, "Playing",
119                                         TEXT_BUFFER_SIZE - 1);
120                 }
121                 if (status->state == MPD_STATUS_STATE_STOP) {
122                         strncpy(current_info->mpd.status, "Stopped",
123                                         TEXT_BUFFER_SIZE - 1);
124                 }
125                 if (status->state == MPD_STATUS_STATE_PAUSE) {
126                         strncpy(current_info->mpd.status, "Paused",
127                                         TEXT_BUFFER_SIZE - 1);
128                 }
129                 if (status->state == MPD_STATUS_STATE_UNKNOWN) {
130                         // current_info was already cleaned up by clear_mpd_stats()
131                 }
132                 if (status->state == MPD_STATUS_STATE_PLAY ||
133                                 status->state == MPD_STATUS_STATE_PAUSE) {
134                         current_info->mpd.bitrate = status->bitRate;
135                         current_info->mpd.progress =
136                                 (float) status->elapsedTime / status->totalTime;
137                         current_info->mpd.elapsed = status->elapsedTime;
138                         current_info->mpd.length = status->totalTime;
139                         if (status->random == 0) {
140                                 strcpy(current_info->mpd.random, "Off");
141                         } else if (status->random == 1) {
142                                 strcpy(current_info->mpd.random, "On");
143                         } else {
144                                 *current_info->mpd.random=0;
145                         }
146                         if (status->repeat == 0) {
147                                 strcpy(current_info->mpd.repeat, "Off");
148                         } else if (status->repeat == 1) {
149                                 strcpy(current_info->mpd.repeat, "On");
150                         } else {
151                                 *current_info->mpd.repeat=0;
152                         }
153                 }
154
155                 if (current_info->conn->error) {
156                         //fprintf(stderr, "%s\n", current_info->conn->errorStr);
157                         mpd_closeConnection(current_info->conn);
158                         current_info->conn = 0;
159                         timed_thread_unlock(mpd_timed_thread);
160                         if (timed_thread_test(mpd_timed_thread)) timed_thread_exit(mpd_timed_thread);
161                         continue;
162                 }
163
164                 mpd_nextListOkCommand(current_info->conn);
165
166                 while ((entity = mpd_getNextInfoEntity(current_info->conn))) {
167                         mpd_Song *song = entity->info.song;
168                         if (entity->type != MPD_INFO_ENTITY_TYPE_SONG) {
169                                 mpd_freeInfoEntity(entity);
170                                 continue;
171                         }
172
173                         if (song->artist) {
174                                 strncpy(current_info->mpd.artist, song->artist,
175                                                 TEXT_BUFFER_SIZE - 1);
176                         } else {
177                                 *current_info->mpd.artist=0;
178                         }
179                         if (song->album) {
180                                 strncpy(current_info->mpd.album, song->album,
181                                                 TEXT_BUFFER_SIZE - 1);
182                         } else {
183                                 *current_info->mpd.album=0;
184                         }
185                         if (song->title) {
186                                 strncpy(current_info->mpd.title, song->title,
187                                                 TEXT_BUFFER_SIZE - 1);
188                         } else {
189                                 *current_info->mpd.title=0;
190                         }
191                         if (song->track) {
192                                 strncpy(current_info->mpd.track, song->track,
193                                                 TEXT_BUFFER_SIZE - 1);
194                         } else {
195                                 *current_info->mpd.track=0;
196                         }
197                         if (song->name) {
198                                 strncpy(current_info->mpd.name, song->name,
199                                                 TEXT_BUFFER_SIZE - 1);
200                         } else {
201                                 *current_info->mpd.name=0;
202                         }
203                         if (song->file) {
204                                 strncpy(current_info->mpd.file,
205                                                 song->file, TEXT_BUFFER_SIZE - 1);
206                         } else {
207                                 *current_info->mpd.file=0;
208                         }
209                         if (entity != NULL) {
210                                 mpd_freeInfoEntity(entity);
211                                 entity = NULL;
212                         }
213                 }
214                 if (entity != NULL) {
215                         mpd_freeInfoEntity(entity);
216                         entity = NULL;
217                 }
218
219                 timed_thread_unlock(mpd_timed_thread);
220                 if (current_info->conn->error) {
221                         //fprintf(stderr, "%s\n", current_info->conn->errorStr);
222                         mpd_closeConnection(current_info->conn);
223                         current_info->conn = 0;
224                         if (timed_thread_test(mpd_timed_thread)) timed_thread_exit(mpd_timed_thread);
225                         continue;
226                 }
227
228                 mpd_finishCommand(current_info->conn);
229                 if (current_info->conn->error) {
230                         //fprintf(stderr, "%s\n", current_info->conn->errorStr);
231                         mpd_closeConnection(current_info->conn);
232                         current_info->conn = 0;
233                         if (timed_thread_test(mpd_timed_thread)) timed_thread_exit(mpd_timed_thread);
234                         continue;
235                 }
236                 mpd_freeStatus(status);
237 /*              if (current_info->conn) {
238                         mpd_closeConnection(current_info->conn);
239                         current_info->conn = 0;
240                 }*/
241                 if (timed_thread_test(mpd_timed_thread)) timed_thread_exit(mpd_timed_thread);
242                 continue;
243         }
244         return 0;
245 }