vcs.maemo.org Git - monky/blob - src/mpd.c

   1 /* Conky, a system monitor, based on torsmo
   2  *
   3  * Any original torsmo code is licensed under the BSD license
   4  *
   5  * All code written since the fork of torsmo is licensed under the GPL
   6  *
   7  * Please see COPYING for details
   8  *
   9  * Copyright (c) 2005-2007 Brenden Matthews, Philip Kovacs, et. al.
  10  *      (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 #include "conky.h"
  28 #include <stdio.h>
  29 #include <string.h>
  30 #include <stdlib.h>
  31 #include "libmpdclient.h"
  32
  33 timed_thread *mpd_timed_thread = NULL;
  34
  35 void clear_mpd_stats(struct information *current_info);
  36
  37 void init_mpd_stats(struct information *current_info)
  38 {
  39         if (current_info->mpd.artist == NULL) {
  40                 current_info->mpd.artist = malloc(text_buffer_size);
  41         }
  42         if (current_info->mpd.album == NULL) {
  43                 current_info->mpd.album = malloc(text_buffer_size);
  44         }
  45         if (current_info->mpd.title == NULL) {
  46                 current_info->mpd.title = malloc(text_buffer_size);
  47         }
  48         if (current_info->mpd.random == NULL) {
  49                 current_info->mpd.random = malloc(text_buffer_size);
  50         }
  51         if (current_info->mpd.repeat == NULL) {
  52                 current_info->mpd.repeat = malloc(text_buffer_size);
  53         }
  54         if (current_info->mpd.track == NULL) {
  55                 current_info->mpd.track = malloc(text_buffer_size);
  56         }
  57         if (current_info->mpd.status == NULL) {
  58                 current_info->mpd.status = malloc(text_buffer_size);
  59         }
  60         if (current_info->mpd.name == NULL) {
  61                 current_info->mpd.name = malloc(text_buffer_size);
  62         }
  63         if (current_info->mpd.file == NULL) {
  64                 current_info->mpd.file = malloc(text_buffer_size);
  65         }
  66         clear_mpd_stats(current_info);
  67 }
  68
  69 void free_mpd_vars(struct information *current_info)
  70 {
  71         if (current_info->mpd.title) {
  72                 free(current_info->mpd.title);
  73                 current_info->mpd.title = NULL;
  74         }
  75         if (current_info->mpd.artist) {
  76                 free(current_info->mpd.artist);
  77                 current_info->mpd.artist = NULL;
  78         }
  79         if (current_info->mpd.album) {
  80                 free(current_info->mpd.album);
  81                 current_info->mpd.album = NULL;
  82         }
  83         if (current_info->mpd.random) {
  84                 free(current_info->mpd.random);
  85                 current_info->mpd.random = NULL;
  86         }
  87         if (current_info->mpd.repeat) {
  88                 free(current_info->mpd.repeat);
  89                 current_info->mpd.repeat = NULL;
  90         }
  91         if (current_info->mpd.track) {
  92                 free(current_info->mpd.track);
  93                 current_info->mpd.track = NULL;
  94         }
  95         if (current_info->mpd.name) {
  96                 free(current_info->mpd.name);
  97                 current_info->mpd.name = NULL;
  98         }
  99         if (current_info->mpd.file) {
 100                 free(current_info->mpd.file);
 101                 current_info->mpd.file = NULL;
 102         }
 103         if (current_info->mpd.status) {
 104                 free(current_info->mpd.status);
 105                 current_info->mpd.status = NULL;
 106         }
 107         if (current_info->conn) {
 108                 mpd_closeConnection(current_info->conn);
 109                 current_info->conn = 0;
 110         }
 111 }
 112
 113 void clear_mpd_stats(struct information *current_info)
 114 {
 115         *current_info->mpd.name = 0;
 116         *current_info->mpd.file = 0;
 117         *current_info->mpd.artist = 0;
 118         *current_info->mpd.album = 0;
 119         *current_info->mpd.title = 0;
 120         *current_info->mpd.random = 0;
 121         *current_info->mpd.repeat = 0;
 122         *current_info->mpd.track = 0;
 123         *current_info->mpd.status = 0;
 124         current_info->mpd.bitrate = 0;
 125         current_info->mpd.progress = 0;
 126         current_info->mpd.elapsed = 0;
 127         current_info->mpd.length = 0;
 128 }
 129
 130 void *update_mpd(void *arg)
 131 {
 132         struct information *current_info = &info;
 133
 134         if (arg) {
 135                 /* make gcc happy (unused argument) */
 136         }
 137
 138         while (1) {
 139                 mpd_Status *status;
 140                 mpd_InfoEntity *entity;
 141
 142                 if (!current_info->conn) {
 143                         current_info->conn = mpd_newConnection(current_info->mpd.host,
 144                                 current_info->mpd.port, 10);
 145                 }
 146                 if (strlen(current_info->mpd.password) > 1) {
 147                         mpd_sendPasswordCommand(current_info->conn,
 148                                 current_info->mpd.password);
 149                         mpd_finishCommand(current_info->conn);
 150                 }
 151
 152                 timed_thread_lock(mpd_timed_thread);
 153
 154                 if (current_info->conn->error || current_info->conn == NULL) {
 155                         // ERR("%MPD error: s\n", current_info->conn->errorStr);
 156                         mpd_closeConnection(current_info->conn);
 157                         current_info->conn = 0;
 158                         clear_mpd_stats(current_info);
 159
 160                         strncpy(current_info->mpd.status, "MPD not responding",
 161                                 text_buffer_size - 1);
 162                         timed_thread_unlock(mpd_timed_thread);
 163                         if (timed_thread_test(mpd_timed_thread)) {
 164                                 timed_thread_exit(mpd_timed_thread);
 165                         }
 166                         continue;
 167                 }
 168
 169                 mpd_sendStatusCommand(current_info->conn);
 170                 if ((status = mpd_getStatus(current_info->conn)) == NULL) {
 171                         // ERR("MPD error: %s\n", current_info->conn->errorStr);
 172                         mpd_closeConnection(current_info->conn);
 173                         current_info->conn = 0;
 174                         clear_mpd_stats(current_info);
 175
 176                         strncpy(current_info->mpd.status, "MPD not responding",
 177                                 text_buffer_size - 1);
 178                         timed_thread_unlock(mpd_timed_thread);
 179                         if (timed_thread_test(mpd_timed_thread)) {
 180                                 timed_thread_exit(mpd_timed_thread);
 181                         }
 182                         continue;
 183                 }
 184                 mpd_finishCommand(current_info->conn);
 185                 if (current_info->conn->error) {
 186                         // fprintf(stderr, "%s\n", current_info->conn->errorStr);
 187                         mpd_closeConnection(current_info->conn);
 188                         current_info->conn = 0;
 189                         timed_thread_unlock(mpd_timed_thread);
 190                         if (timed_thread_test(mpd_timed_thread)) {
 191                                 timed_thread_exit(mpd_timed_thread);
 192                         }
 193                         continue;
 194                 }
 195
 196                 current_info->mpd.volume = status->volume;
 197                 /* if (status->error) {
 198                         printf("error: %s\n", status->error);
 199                 } */
 200
 201                 if (status->state == MPD_STATUS_STATE_PLAY) {
 202                         strncpy(current_info->mpd.status, "Playing", text_buffer_size - 1);
 203                 }
 204                 if (status->state == MPD_STATUS_STATE_STOP) {
 205                         clear_mpd_stats(current_info);
 206                         strncpy(current_info->mpd.status, "Stopped", text_buffer_size - 1);
 207                 }
 208                 if (status->state == MPD_STATUS_STATE_PAUSE) {
 209                         strncpy(current_info->mpd.status, "Paused", text_buffer_size - 1);
 210                 }
 211                 if (status->state == MPD_STATUS_STATE_UNKNOWN) {
 212                         clear_mpd_stats(current_info);
 213                         *current_info->mpd.status = 0;
 214                 }
 215                 if (status->state == MPD_STATUS_STATE_PLAY
 216                                 || status->state == MPD_STATUS_STATE_PAUSE) {
 217                         current_info->mpd.bitrate = status->bitRate;
 218                         current_info->mpd.progress = (float) status->elapsedTime /
 219                                 status->totalTime;
 220                         current_info->mpd.elapsed = status->elapsedTime;
 221                         current_info->mpd.length = status->totalTime;
 222                         if (status->random == 0) {
 223                                 strcpy(current_info->mpd.random, "Off");
 224                         } else if (status->random == 1) {
 225                                 strcpy(current_info->mpd.random, "On");
 226                         } else {
 227                                 *current_info->mpd.random = 0;
 228                         }
 229                         if (status->repeat == 0) {
 230                                 strcpy(current_info->mpd.repeat, "Off");
 231                         } else if (status->repeat == 1) {
 232                                 strcpy(current_info->mpd.repeat, "On");
 233                         } else {
 234                                 *current_info->mpd.repeat = 0;
 235                         }
 236                 }
 237
 238                 if (current_info->conn->error) {
 239                         // fprintf(stderr, "%s\n", current_info->conn->errorStr);
 240                         mpd_closeConnection(current_info->conn);
 241                         current_info->conn = 0;
 242                         timed_thread_unlock(mpd_timed_thread);
 243                         if (timed_thread_test(mpd_timed_thread)) {
 244                                 timed_thread_exit(mpd_timed_thread);
 245                         }
 246                         continue;
 247                 }
 248
 249                 mpd_sendCurrentSongCommand(current_info->conn);
 250                 while ((entity = mpd_getNextInfoEntity(current_info->conn))) {
 251                         mpd_Song *song = entity->info.song;
 252
 253                         if (entity->type != MPD_INFO_ENTITY_TYPE_SONG) {
 254                                 mpd_freeInfoEntity(entity);
 255                                 continue;
 256                         }
 257
 258                         if (song->artist) {
 259                                 strncpy(current_info->mpd.artist, song->artist,
 260                                         text_buffer_size - 1);
 261                         } else {
 262                                 *current_info->mpd.artist = 0;
 263                         }
 264                         if (song->album) {
 265                                 strncpy(current_info->mpd.album, song->album,
 266                                         text_buffer_size - 1);
 267                         } else {
 268                                 *current_info->mpd.album = 0;
 269                         }
 270                         if (song->title) {
 271                                 strncpy(current_info->mpd.title, song->title,
 272                                         text_buffer_size - 1);
 273                         } else {
 274                                 *current_info->mpd.title = 0;
 275                         }
 276                         if (song->track) {
 277                                 strncpy(current_info->mpd.track, song->track,
 278                                         text_buffer_size - 1);
 279                         } else {
 280                                 *current_info->mpd.track = 0;
 281                         }
 282                         if (song->name) {
 283                                 strncpy(current_info->mpd.name, song->name,
 284                                         text_buffer_size - 1);
 285                         } else {
 286                                 *current_info->mpd.name = 0;
 287                         }
 288                         if (song->file) {
 289                                 strncpy(current_info->mpd.file, song->file,
 290                                         text_buffer_size - 1);
 291                         } else {
 292                                 *current_info->mpd.file = 0;
 293                         }
 294                         if (entity != NULL) {
 295                                 mpd_freeInfoEntity(entity);
 296                                 entity = NULL;
 297                         }
 298                 }
 299                 if (entity != NULL) {
 300                         mpd_freeInfoEntity(entity);
 301                         entity = NULL;
 302                 }
 303                 mpd_finishCommand(current_info->conn);
 304                 if (current_info->conn->error) {
 305                         // fprintf(stderr, "%s\n", current_info->conn->errorStr);
 306                         mpd_closeConnection(current_info->conn);
 307                         current_info->conn = 0;
 308                         timed_thread_unlock(mpd_timed_thread);
 309                         if (timed_thread_test(mpd_timed_thread)) {
 310                                 timed_thread_exit(mpd_timed_thread);
 311                         }
 312                         continue;
 313                 }
 314
 315                 timed_thread_unlock(mpd_timed_thread);
 316                 if (current_info->conn->error) {
 317                         // fprintf(stderr, "%s\n", current_info->conn->errorStr);
 318                         mpd_closeConnection(current_info->conn);
 319                         current_info->conn = 0;
 320                         if (timed_thread_test(mpd_timed_thread)) {
 321                                 timed_thread_exit(mpd_timed_thread);
 322                         }
 323                         continue;
 324                 }
 325
 326                 mpd_freeStatus(status);
 327                 /* if (current_info->conn) {
 328                         mpd_closeConnection(current_info->conn);
 329                         current_info->conn = 0;
 330                 } */
 331                 if (timed_thread_test(mpd_timed_thread)) {
 332                         timed_thread_exit(mpd_timed_thread);
 333                 }
 334                 continue;
 335         }
 336         return 0;
 337 }