1 /* -*- mode: c; c-basic-offset: 4; tab-width: 4; indent-tabs-mode: t -*-
3 * Conky, a system monitor, based on torsmo
5 * Any original torsmo code is licensed under the BSD license
7 * All code written since the fork of torsmo is licensed under the GPL
9 * Please see COPYING for details
11 * Copyright (c) 2005-2009 Brenden Matthews, Philip Kovacs, et. al.
13 * All rights reserved.
15 * This program is free software: you can redistribute it and/or modify
16 * it under the terms of the GNU General Public License as published by
17 * the Free Software Foundation, either version 3 of the License, or
18 * (at your option) any later version.
20 * This program is distributed in the hope that it will be useful,
21 * but WITHOUT ANY WARRANTY; without even the implied warranty of
22 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23 * GNU General Public License for more details.
24 * You should have received a copy of the GNU General Public License
25 * along with this program. If not, see <http://www.gnu.org/licenses/>.
27 * vim: ts=4 sw=4 noet ai cindent syntax=c
33 #include "timed_thread.h"
34 #include "libmpdclient.h"
37 /* server connection data */
38 static char mpd_host[128];
39 static char mpd_password[128];
42 /* this is >0 if the current password was set from MPD_HOST */
43 static int mpd_environment_password = 0;
45 /* global mpd information */
46 static struct mpd_s mpd_info;
48 /* number of users of the above struct */
49 static int refcount = 0;
51 void mpd_set_host(const char *host)
53 snprintf(mpd_host, 128, "%s", host);
55 if (mpd_environment_password) {
56 /* for security, dont use environment password when user specifies host in config */
60 void mpd_set_password(const char *password, int from_environment)
62 snprintf(mpd_password, 128, "%s", password);
63 mpd_environment_password = from_environment;
65 void mpd_clear_password(void)
68 mpd_environment_password = 0;
70 int mpd_set_port(const char *port)
74 val = strtol(port, 0, 0);
75 if (val < 1 || val > 0xffff)
83 if (!(refcount++)) /* first client */
84 memset(&mpd_info, 0, sizeof(struct mpd_s));
89 struct mpd_s *mpd_get_info(void)
94 static void clear_mpd(void)
96 #define xfree(x) if (x) free(x)
97 xfree(mpd_info.title);
98 xfree(mpd_info.artist);
99 xfree(mpd_info.album);
100 /* do not free() the const char *status! */
101 /* do not free() the const char *random! */
102 /* do not free() the const char *repeat! */
103 xfree(mpd_info.track);
104 xfree(mpd_info.name);
105 xfree(mpd_info.file);
107 memset(&mpd_info, 0, sizeof(struct mpd_s));
112 if (!(--refcount)) /* last client */
116 static void *update_mpd_thread(void *) __attribute__((noreturn));
118 void update_mpd(void)
121 static timed_thread *thread = NULL;
126 interval = info.music_player_interval * 1000000;
127 thread = timed_thread_create(&update_mpd_thread, &thread, interval);
129 ERR("Failed to create MPD timed thread");
132 timed_thread_register(thread, &thread);
133 if (timed_thread_run(thread))
134 ERR("Failed to run MPD timed thread");
137 /* stringMAXdup dups at most text_buffer_size bytes */
138 #define strmdup(x) strndup(x, text_buffer_size - 1)
140 static void *update_mpd_thread(void *arg)
142 static mpd_Connection *conn = NULL;
144 mpd_InfoEntity *entity;
145 timed_thread *me = *(timed_thread **)arg;
146 const char *emptystr = "";
150 conn = mpd_newConnection(mpd_host, mpd_port, 10);
153 mpd_sendPasswordCommand(conn, mpd_password);
154 mpd_finishCommand(conn);
157 timed_thread_lock(me);
159 if (conn->error || conn == NULL) {
160 ERR("MPD error: %s\n", conn->errorStr);
161 mpd_closeConnection(conn);
165 mpd_info.status = "MPD not responding";
166 timed_thread_unlock(me);
167 if (timed_thread_test(me, 0)) {
168 timed_thread_exit(me);
173 mpd_sendStatusCommand(conn);
174 if ((status = mpd_getStatus(conn)) == NULL) {
175 ERR("MPD error: %s\n", conn->errorStr);
176 mpd_closeConnection(conn);
180 mpd_info.status = "MPD not responding";
181 timed_thread_unlock(me);
182 if (timed_thread_test(me, 0)) {
183 timed_thread_exit(me);
187 mpd_finishCommand(conn);
189 // fprintf(stderr, "%s\n", conn->errorStr);
190 mpd_closeConnection(conn);
192 timed_thread_unlock(me);
193 if (timed_thread_test(me, 0)) {
194 timed_thread_exit(me);
199 mpd_info.volume = status->volume;
200 /* if (status->error) {
201 printf("error: %s\n", status->error);
204 switch (status->state) {
205 case MPD_STATUS_STATE_PLAY:
206 mpd_info.status = "Playing";
208 case MPD_STATUS_STATE_STOP:
209 mpd_info.status = "Stopped";
211 case MPD_STATUS_STATE_PAUSE:
212 mpd_info.status = "Paused";
215 mpd_info.status = "";
220 if (status->state == MPD_STATUS_STATE_STOP) {
221 mpd_info.progress = (float) status->elapsedTime /
223 mpd_info.elapsed = status->elapsedTime;
224 } else if (status->state == MPD_STATUS_STATE_PLAY ||
225 status->state == MPD_STATUS_STATE_PAUSE) {
226 mpd_info.is_playing = 1;
227 mpd_info.bitrate = status->bitRate;
228 mpd_info.progress = (float) status->elapsedTime /
230 mpd_info.elapsed = status->elapsedTime;
231 mpd_info.length = status->totalTime;
232 if (status->random == 0) {
233 mpd_info.random = "Off";
234 } else if (status->random == 1) {
235 mpd_info.random = "On";
237 mpd_info.random = "";
239 if (status->repeat == 0) {
240 mpd_info.repeat = "Off";
241 } else if (status->repeat == 1) {
242 mpd_info.repeat = "On";
244 mpd_info.repeat = "";
247 mpd_info.is_playing = 0;
251 // fprintf(stderr, "%s\n", conn->errorStr);
252 mpd_closeConnection(conn);
254 timed_thread_unlock(me);
255 if (timed_thread_test(me, 0)) {
256 timed_thread_exit(me);
261 mpd_sendCurrentSongCommand(conn);
262 while ((entity = mpd_getNextInfoEntity(conn))) {
263 mpd_Song *song = entity->info.song;
265 if (entity->type != MPD_INFO_ENTITY_TYPE_SONG) {
266 mpd_freeInfoEntity(entity);
269 #define SONGSET(x) { \
272 mpd_info.x = strmdup(song->x); \
274 mpd_info.x = strmdup(emptystr); \
283 if (entity != NULL) {
284 mpd_freeInfoEntity(entity);
288 mpd_finishCommand(conn);
290 // fprintf(stderr, "%s\n", conn->errorStr);
291 mpd_closeConnection(conn);
293 timed_thread_unlock(me);
294 if (timed_thread_test(me, 0)) {
295 timed_thread_exit(me);
300 timed_thread_unlock(me);
302 // fprintf(stderr, "%s\n", conn->errorStr);
303 mpd_closeConnection(conn);
305 if (timed_thread_test(me, 0)) {
306 timed_thread_exit(me);
311 mpd_freeStatus(status);
313 mpd_closeConnection(conn);
316 if (timed_thread_test(me, 0)) {
317 timed_thread_exit(me);