1 /* -*- mode: c; c-basic-offset: 4; tab-width: 4; indent-tabs-mode: t -*-
2 * vim: ts=4 sw=4 noet ai cindent syntax=c
4 * Conky, a system monitor, based on torsmo
6 * Any original torsmo code is licensed under the BSD license
8 * All code written since the fork of torsmo is licensed under the GPL
10 * Please see COPYING for details
12 * Copyright (c) 2005-2010 Brenden Matthews, Philip Kovacs, et. al.
14 * All rights reserved.
16 * This program is free software: you can redistribute it and/or modify
17 * it under the terms of the GNU General Public License as published by
18 * the Free Software Foundation, either version 3 of the License, or
19 * (at your option) any later version.
21 * This program is distributed in the hope that it will be useful,
22 * but WITHOUT ANY WARRANTY; without even the implied warranty of
23 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
24 * GNU General Public License for more details.
25 * You should have received a copy of the GNU General Public License
26 * along with this program. If not, see <http://www.gnu.org/licenses/>.
32 #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(mpd_info));
87 struct mpd_s *mpd_get_info(void)
92 static void clear_mpd(void)
94 #define xfree(x) if (x) free(x)
95 xfree(mpd_info.title);
96 xfree(mpd_info.artist);
97 xfree(mpd_info.album);
98 /* do not free() the const char *status! */
99 /* do not free() the const char *random! */
100 /* do not free() the const char *repeat! */
101 xfree(mpd_info.track);
102 xfree(mpd_info.name);
103 xfree(mpd_info.file);
105 memset(&mpd_info, 0, sizeof(struct mpd_s));
110 if (!(--refcount)) /* last client */
114 static void *update_mpd_thread(void *) __attribute__((noreturn));
119 static timed_thread *thread = NULL;
124 interval = info.music_player_interval * 1000000;
125 thread = timed_thread_create(&update_mpd_thread, &thread, interval);
127 NORM_ERR("Failed to create MPD timed thread");
130 timed_thread_register(thread, &thread);
131 if (timed_thread_run(thread))
132 NORM_ERR("Failed to run MPD timed thread");
136 /* stringMAXdup dups at most text_buffer_size bytes */
137 #define strmdup(x) strndup(x, text_buffer_size - 1)
139 static void *update_mpd_thread(void *arg)
141 static mpd_Connection *conn = NULL;
143 mpd_InfoEntity *entity;
144 timed_thread *me = *(timed_thread **)arg;
145 const char *emptystr = "";
149 conn = mpd_newConnection(mpd_host, mpd_port, 10);
152 mpd_sendPasswordCommand(conn, mpd_password);
153 mpd_finishCommand(conn);
156 timed_thread_lock(me);
158 if (conn->error || conn == NULL) {
159 NORM_ERR("MPD error: %s\n", conn->errorStr);
160 mpd_closeConnection(conn);
164 mpd_info.status = "MPD not responding";
165 timed_thread_unlock(me);
166 if (timed_thread_test(me, 0)) {
167 timed_thread_exit(me);
172 mpd_sendStatusCommand(conn);
173 if ((status = mpd_getStatus(conn)) == NULL) {
174 NORM_ERR("MPD error: %s\n", conn->errorStr);
175 mpd_closeConnection(conn);
179 mpd_info.status = "MPD not responding";
180 timed_thread_unlock(me);
181 if (timed_thread_test(me, 0)) {
182 timed_thread_exit(me);
186 mpd_finishCommand(conn);
188 // fprintf(stderr, "%s\n", conn->errorStr);
189 mpd_closeConnection(conn);
191 timed_thread_unlock(me);
192 if (timed_thread_test(me, 0)) {
193 timed_thread_exit(me);
198 mpd_info.vol = status->volume;
199 if (status->random == 0) {
200 mpd_info.random = "Off";
201 } else if (status->random == 1) {
202 mpd_info.random = "On";
204 mpd_info.random = "";
206 if (status->repeat == 0) {
207 mpd_info.repeat = "Off";
208 } else if (status->repeat == 1) {
209 mpd_info.repeat = "On";
211 mpd_info.repeat = "";
213 /* if (status->error) {
214 printf("error: %s\n", status->error);
217 switch (status->state) {
218 case MPD_STATUS_STATE_PLAY:
219 mpd_info.status = "Playing";
221 case MPD_STATUS_STATE_STOP:
222 mpd_info.status = "Stopped";
224 case MPD_STATUS_STATE_PAUSE:
225 mpd_info.status = "Paused";
228 mpd_info.status = "";
233 if (status->state == MPD_STATUS_STATE_PLAY ||
234 status->state == MPD_STATUS_STATE_PAUSE) {
235 mpd_info.is_playing = 1;
236 mpd_info.bitrate = status->bitRate;
237 mpd_info.progress = (float) status->elapsedTime /
239 mpd_info.elapsed = status->elapsedTime;
240 mpd_info.length = status->totalTime;
242 mpd_info.progress = 0;
243 mpd_info.is_playing = 0;
244 mpd_info.elapsed = 0;
248 // fprintf(stderr, "%s\n", conn->errorStr);
249 mpd_closeConnection(conn);
251 timed_thread_unlock(me);
252 if (timed_thread_test(me, 0)) {
253 timed_thread_exit(me);
258 mpd_sendCurrentSongCommand(conn);
259 while ((entity = mpd_getNextInfoEntity(conn))) {
260 mpd_Song *song = entity->info.song;
262 if (entity->type != MPD_INFO_ENTITY_TYPE_SONG) {
263 mpd_freeInfoEntity(entity);
266 #define SONGSET(x) { \
269 mpd_info.x = strmdup(song->x); \
271 mpd_info.x = strmdup(emptystr); \
280 if (entity != NULL) {
281 mpd_freeInfoEntity(entity);
285 mpd_finishCommand(conn);
287 // fprintf(stderr, "%s\n", conn->errorStr);
288 mpd_closeConnection(conn);
290 timed_thread_unlock(me);
291 if (timed_thread_test(me, 0)) {
292 timed_thread_exit(me);
297 timed_thread_unlock(me);
299 // fprintf(stderr, "%s\n", conn->errorStr);
300 mpd_closeConnection(conn);
302 if (timed_thread_test(me, 0)) {
303 timed_thread_exit(me);
308 mpd_freeStatus(status);
310 mpd_closeConnection(conn);
313 if (timed_thread_test(me, 0)) {
314 timed_thread_exit(me);
321 static inline void format_media_player_time(char *buf, const int size,
324 int days, hours, minutes;
326 if (times_in_seconds()) {
327 snprintf(buf, size, "%d", seconds);
331 days = seconds / (24 * 60 * 60);
332 seconds %= (24 * 60 * 60);
333 hours = seconds / (60 * 60);
334 seconds %= (60 * 60);
335 minutes = seconds / 60;
339 snprintf(buf, size, "%i days %i:%02i:%02i", days,
340 hours, minutes, seconds);
341 } else if (hours > 0) {
342 snprintf(buf, size, "%i:%02i:%02i", hours, minutes,
345 snprintf(buf, size, "%i:%02i", minutes, seconds);
349 void print_mpd_elapsed(struct text_object *obj, char *p, int p_max_size)
352 format_media_player_time(p, p_max_size, mpd_get_info()->elapsed);
355 void print_mpd_length(struct text_object *obj, char *p, int p_max_size)
358 format_media_player_time(p, p_max_size, mpd_get_info()->length);
361 void print_mpd_percent(struct text_object *obj, char *p, int p_max_size)
364 percent_print(p, p_max_size, (int)(mpd_get_info()->progress * 100));
367 void print_mpd_bar(struct text_object *obj, char *p, int p_max_size)
369 new_bar(obj, p, p_max_size, (int) (mpd_get_info()->progress * 255.0f));
372 void print_mpd_smart(struct text_object *obj, char *p, int p_max_size)
374 struct mpd_s *mpd = mpd_get_info();
375 int len = obj->data.i;
376 if (len == 0 || len > p_max_size)
379 memset(p, 0, p_max_size);
380 if (mpd->artist && *mpd->artist &&
381 mpd->title && *mpd->title) {
382 snprintf(p, len, "%s - %s", mpd->artist,
384 } else if (mpd->title && *mpd->title) {
385 snprintf(p, len, "%s", mpd->title);
386 } else if (mpd->artist && *mpd->artist) {
387 snprintf(p, len, "%s", mpd->artist);
388 } else if (mpd->file && *mpd->file) {
389 snprintf(p, len, "%s", mpd->file);
395 #define MPD_PRINT_GENERATOR(name, fmt) \
396 void print_mpd_##name(struct text_object *obj, char *p, int p_max_size) \
398 if (obj->data.i && obj->data.i < p_max_size) \
399 p_max_size = obj->data.i; \
400 snprintf(p, p_max_size, fmt, mpd_get_info()->name); \
403 MPD_PRINT_GENERATOR(title, "%s")
404 MPD_PRINT_GENERATOR(artist, "%s")
405 MPD_PRINT_GENERATOR(album, "%s")
406 MPD_PRINT_GENERATOR(random, "%s")
407 MPD_PRINT_GENERATOR(repeat, "%s")
408 MPD_PRINT_GENERATOR(track, "%s")
409 MPD_PRINT_GENERATOR(name, "%s")
410 MPD_PRINT_GENERATOR(file, "%s")
411 MPD_PRINT_GENERATOR(vol, "%d")
412 MPD_PRINT_GENERATOR(bitrate, "%d")
413 MPD_PRINT_GENERATOR(status, "%s")
415 #undef MPD_PRINT_GENERATOR