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));
116 void update_mpd(void)
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");
135 /* stringMAXdup dups at most text_buffer_size bytes */
136 #define strmdup(x) strndup(x, text_buffer_size - 1)
138 static void *update_mpd_thread(void *arg)
140 static mpd_Connection *conn = NULL;
142 mpd_InfoEntity *entity;
143 timed_thread *me = *(timed_thread **)arg;
144 const char *emptystr = "";
148 conn = mpd_newConnection(mpd_host, mpd_port, 10);
151 mpd_sendPasswordCommand(conn, mpd_password);
152 mpd_finishCommand(conn);
155 timed_thread_lock(me);
157 if (conn->error || conn == NULL) {
158 NORM_ERR("MPD error: %s\n", conn->errorStr);
159 mpd_closeConnection(conn);
163 mpd_info.status = "MPD not responding";
164 timed_thread_unlock(me);
165 if (timed_thread_test(me, 0)) {
166 timed_thread_exit(me);
171 mpd_sendStatusCommand(conn);
172 if ((status = mpd_getStatus(conn)) == NULL) {
173 NORM_ERR("MPD error: %s\n", conn->errorStr);
174 mpd_closeConnection(conn);
178 mpd_info.status = "MPD not responding";
179 timed_thread_unlock(me);
180 if (timed_thread_test(me, 0)) {
181 timed_thread_exit(me);
185 mpd_finishCommand(conn);
187 // fprintf(stderr, "%s\n", conn->errorStr);
188 mpd_closeConnection(conn);
190 timed_thread_unlock(me);
191 if (timed_thread_test(me, 0)) {
192 timed_thread_exit(me);
197 mpd_info.vol = status->volume;
198 if (status->random == 0) {
199 mpd_info.random = "Off";
200 } else if (status->random == 1) {
201 mpd_info.random = "On";
203 mpd_info.random = "";
205 if (status->repeat == 0) {
206 mpd_info.repeat = "Off";
207 } else if (status->repeat == 1) {
208 mpd_info.repeat = "On";
210 mpd_info.repeat = "";
212 /* if (status->error) {
213 printf("error: %s\n", status->error);
216 switch (status->state) {
217 case MPD_STATUS_STATE_PLAY:
218 mpd_info.status = "Playing";
220 case MPD_STATUS_STATE_STOP:
221 mpd_info.status = "Stopped";
223 case MPD_STATUS_STATE_PAUSE:
224 mpd_info.status = "Paused";
227 mpd_info.status = "";
232 if (status->state == MPD_STATUS_STATE_PLAY ||
233 status->state == MPD_STATUS_STATE_PAUSE) {
234 mpd_info.is_playing = 1;
235 mpd_info.bitrate = status->bitRate;
236 mpd_info.progress = (float) status->elapsedTime /
238 mpd_info.elapsed = status->elapsedTime;
239 mpd_info.length = status->totalTime;
241 mpd_info.progress = 0;
242 mpd_info.is_playing = 0;
243 mpd_info.elapsed = 0;
247 // fprintf(stderr, "%s\n", conn->errorStr);
248 mpd_closeConnection(conn);
250 timed_thread_unlock(me);
251 if (timed_thread_test(me, 0)) {
252 timed_thread_exit(me);
257 mpd_sendCurrentSongCommand(conn);
258 while ((entity = mpd_getNextInfoEntity(conn))) {
259 mpd_Song *song = entity->info.song;
261 if (entity->type != MPD_INFO_ENTITY_TYPE_SONG) {
262 mpd_freeInfoEntity(entity);
265 #define SONGSET(x) { \
268 mpd_info.x = strmdup(song->x); \
270 mpd_info.x = strmdup(emptystr); \
279 if (entity != NULL) {
280 mpd_freeInfoEntity(entity);
284 mpd_finishCommand(conn);
286 // fprintf(stderr, "%s\n", conn->errorStr);
287 mpd_closeConnection(conn);
289 timed_thread_unlock(me);
290 if (timed_thread_test(me, 0)) {
291 timed_thread_exit(me);
296 timed_thread_unlock(me);
298 // fprintf(stderr, "%s\n", conn->errorStr);
299 mpd_closeConnection(conn);
301 if (timed_thread_test(me, 0)) {
302 timed_thread_exit(me);
307 mpd_freeStatus(status);
309 mpd_closeConnection(conn);
312 if (timed_thread_test(me, 0)) {
313 timed_thread_exit(me);
320 static inline void format_media_player_time(char *buf, const int size,
323 int days, hours, minutes;
325 if (times_in_seconds()) {
326 snprintf(buf, size, "%d", seconds);
330 days = seconds / (24 * 60 * 60);
331 seconds %= (24 * 60 * 60);
332 hours = seconds / (60 * 60);
333 seconds %= (60 * 60);
334 minutes = seconds / 60;
338 snprintf(buf, size, "%i days %i:%02i:%02i", days,
339 hours, minutes, seconds);
340 } else if (hours > 0) {
341 snprintf(buf, size, "%i:%02i:%02i", hours, minutes,
344 snprintf(buf, size, "%i:%02i", minutes, seconds);
348 void print_mpd_elapsed(struct text_object *obj, char *p, int p_max_size)
351 format_media_player_time(p, p_max_size, mpd_get_info()->elapsed);
354 void print_mpd_length(struct text_object *obj, char *p, int p_max_size)
357 format_media_player_time(p, p_max_size, mpd_get_info()->length);
360 void print_mpd_percent(struct text_object *obj, char *p, int p_max_size)
363 percent_print(p, p_max_size, (int)(mpd_get_info()->progress * 100));
366 void print_mpd_bar(struct text_object *obj, char *p, int p_max_size)
368 new_bar(obj, p, p_max_size, (int) (mpd_get_info()->progress * 255.0f));
371 void print_mpd_smart(struct text_object *obj, char *p, int p_max_size)
373 struct mpd_s *mpd = mpd_get_info();
374 int len = obj->data.i;
375 if (len == 0 || len > p_max_size)
378 memset(p, 0, p_max_size);
379 if (mpd->artist && *mpd->artist &&
380 mpd->title && *mpd->title) {
381 snprintf(p, len, "%s - %s", mpd->artist,
383 } else if (mpd->title && *mpd->title) {
384 snprintf(p, len, "%s", mpd->title);
385 } else if (mpd->artist && *mpd->artist) {
386 snprintf(p, len, "%s", mpd->artist);
387 } else if (mpd->file && *mpd->file) {
388 snprintf(p, len, "%s", mpd->file);
394 #define MPD_PRINT_GENERATOR(name, fmt) \
395 void print_mpd_##name(struct text_object *obj, char *p, int p_max_size) \
397 if (obj->data.i && obj->data.i < p_max_size) \
398 p_max_size = obj->data.i; \
399 snprintf(p, p_max_size, fmt, mpd_get_info()->name); \
402 MPD_PRINT_GENERATOR(title, "%s")
403 MPD_PRINT_GENERATOR(artist, "%s")
404 MPD_PRINT_GENERATOR(album, "%s")
405 MPD_PRINT_GENERATOR(random, "%s")
406 MPD_PRINT_GENERATOR(repeat, "%s")
407 MPD_PRINT_GENERATOR(track, "%s")
408 MPD_PRINT_GENERATOR(name, "%s")
409 MPD_PRINT_GENERATOR(file, "%s")
410 MPD_PRINT_GENERATOR(vol, "%d")
411 MPD_PRINT_GENERATOR(bitrate, "%d")
412 MPD_PRINT_GENERATOR(status, "%s")
414 #undef MPD_PRINT_GENERATOR