git.maemo.org Git - monky/blob - 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 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         if (current_info->mpd.album == NULL)
  42                 current_info->mpd.album = malloc(TEXT_BUFFER_SIZE);
  43         if (current_info->mpd.title == NULL)
  44                 current_info->mpd.title = malloc(TEXT_BUFFER_SIZE);
  45         if (current_info->mpd.random == NULL)
  46                 current_info->mpd.random = malloc(TEXT_BUFFER_SIZE);
  47         if (current_info->mpd.repeat == NULL)
  48                 current_info->mpd.repeat = malloc(TEXT_BUFFER_SIZE);
  49         if (current_info->mpd.track == NULL)
  50                 current_info->mpd.track = malloc(TEXT_BUFFER_SIZE);
  51         if (current_info->mpd.status == NULL)
  52                 current_info->mpd.status = malloc(TEXT_BUFFER_SIZE);
  53         if (current_info->mpd.name == NULL)
  54                 current_info->mpd.name = malloc(TEXT_BUFFER_SIZE);
  55         if (current_info->mpd.file == NULL)
  56                 current_info->mpd.file = malloc(TEXT_BUFFER_SIZE);
  57         clear_mpd_stats(current_info);
  58 }
  59
  60 void clear_mpd_stats(struct information *current_info)
  61 {
  62         *current_info->mpd.name=0;
  63         *current_info->mpd.file=0;
  64         *current_info->mpd.artist=0;
  65         *current_info->mpd.album=0;
  66         *current_info->mpd.title=0;
  67         *current_info->mpd.random=0;
  68         *current_info->mpd.repeat=0;
  69         *current_info->mpd.track=0;
  70         *current_info->mpd.status=0;
  71         current_info->mpd.bitrate = 0;
  72         current_info->mpd.progress = 0;
  73         current_info->mpd.elapsed = 0;
  74         current_info->mpd.length = 0;
  75 }
  76
  77 void *update_mpd(void)
  78 {
  79         struct information *current_info = &info;
  80         while (1) {
  81                 if (!current_info->conn) {
  82                         current_info->conn = mpd_newConnection(current_info->mpd.host, current_info->mpd.port, 10);
  83                 }
  84                 if (strlen(current_info->mpd.password) > 1) {
  85                         mpd_sendPasswordCommand(current_info->conn,
  86                                         current_info->mpd.password);
  87                         mpd_finishCommand(current_info->conn);
  88                 }
  89
  90                 timed_thread_lock(mpd_timed_thread);
  91
  92                 if (current_info->conn->error || current_info->conn == NULL) {
  93                         //ERR("%MPD error: s\n", current_info->conn->errorStr);
  94                         mpd_closeConnection(current_info->conn);
  95                         current_info->conn = 0;
  96                         clear_mpd_stats(current_info);
  97
  98                         strncpy(current_info->mpd.status, "MPD not responding", TEXT_BUFFER_SIZE - 1);
  99                         timed_thread_unlock(mpd_timed_thread);
 100                         if (timed_thread_test(mpd_timed_thread)) timed_thread_exit(mpd_timed_thread);
 101                         continue;
 102                 }
 103
 104                 mpd_Status *status;
 105                 mpd_InfoEntity *entity;
 106                 mpd_sendStatusCommand(current_info->conn);
 107                 if ((status = mpd_getStatus(current_info->conn)) == NULL) {
 108                         //ERR("MPD error: %s\n", current_info->conn->errorStr);
 109                         mpd_closeConnection(current_info->conn);
 110                         current_info->conn = 0;
 111                         clear_mpd_stats(current_info);
 112
 113                         strncpy(current_info->mpd.status, "MPD not responding", TEXT_BUFFER_SIZE - 1);
 114                         timed_thread_unlock(mpd_timed_thread);
 115                         if (timed_thread_test(mpd_timed_thread)) timed_thread_exit(mpd_timed_thread);
 116                         continue;
 117                 }
 118                 mpd_finishCommand(current_info->conn);
 119                 if (current_info->conn->error) {
 120                         //fprintf(stderr, "%s\n", current_info->conn->errorStr);
 121                         mpd_closeConnection(current_info->conn);
 122                         current_info->conn = 0;
 123                         timed_thread_unlock(mpd_timed_thread);
 124                         if (timed_thread_test(mpd_timed_thread)) timed_thread_exit(mpd_timed_thread);
 125                         continue;
 126                 }
 127
 128                 current_info->mpd.volume = status->volume;
 129                 //if (status->error)
 130                 //printf("error: %s\n", status->error);
 131
 132                 if (status->state == MPD_STATUS_STATE_PLAY) {
 133                         strncpy(current_info->mpd.status, "Playing",
 134                                         TEXT_BUFFER_SIZE - 1);
 135                 }
 136                 if (status->state == MPD_STATUS_STATE_STOP) {
 137                         strncpy(current_info->mpd.status, "Stopped",
 138                                         TEXT_BUFFER_SIZE - 1);
 139                 }
 140                 if (status->state == MPD_STATUS_STATE_PAUSE) {
 141                         strncpy(current_info->mpd.status, "Paused",
 142                                         TEXT_BUFFER_SIZE - 1);
 143                 }
 144                 if (status->state == MPD_STATUS_STATE_UNKNOWN) {
 145                         // current_info was already cleaned up by clear_mpd_stats()
 146                         *current_info->mpd.status=0;
 147                 }
 148                 if (status->state == MPD_STATUS_STATE_PLAY ||
 149                                 status->state == MPD_STATUS_STATE_PAUSE) {
 150                         current_info->mpd.bitrate = status->bitRate;
 151                         current_info->mpd.progress =
 152                                 (float) status->elapsedTime / status->totalTime;
 153                         current_info->mpd.elapsed = status->elapsedTime;
 154                         current_info->mpd.length = status->totalTime;
 155                         if (status->random == 0) {
 156                                 strcpy(current_info->mpd.random, "Off");
 157                         } else if (status->random == 1) {
 158                                 strcpy(current_info->mpd.random, "On");
 159                         } else {
 160                                 *current_info->mpd.random=0;
 161                         }
 162                         if (status->repeat == 0) {
 163                                 strcpy(current_info->mpd.repeat, "Off");
 164                         } else if (status->repeat == 1) {
 165                                 strcpy(current_info->mpd.repeat, "On");
 166                         } else {
 167                                 *current_info->mpd.repeat=0;
 168                         }
 169                 }
 170
 171                 if (current_info->conn->error) {
 172                         //fprintf(stderr, "%s\n", current_info->conn->errorStr);
 173                         mpd_closeConnection(current_info->conn);
 174                         current_info->conn = 0;
 175                         timed_thread_unlock(mpd_timed_thread);
 176                         if (timed_thread_test(mpd_timed_thread)) timed_thread_exit(mpd_timed_thread);
 177                         continue;
 178                 }
 179
 180                 mpd_sendCurrentSongCommand(current_info->conn);
 181                 while ((entity = mpd_getNextInfoEntity(current_info->conn))) {
 182                         mpd_Song *song = entity->info.song;
 183                         if (entity->type != MPD_INFO_ENTITY_TYPE_SONG) {
 184                                 mpd_freeInfoEntity(entity);
 185                                 continue;
 186                         }
 187
 188                         if (song->artist) {
 189                                 strncpy(current_info->mpd.artist, song->artist,
 190                                                 TEXT_BUFFER_SIZE - 1);
 191                         } else {
 192                                 *current_info->mpd.artist=0;
 193                         }
 194                         if (song->album) {
 195                                 strncpy(current_info->mpd.album, song->album,
 196                                                 TEXT_BUFFER_SIZE - 1);
 197                         } else {
 198                                 *current_info->mpd.album=0;
 199                         }
 200                         if (song->title) {
 201                                 strncpy(current_info->mpd.title, song->title,
 202                                                 TEXT_BUFFER_SIZE - 1);
 203                         } else {
 204                                 *current_info->mpd.title=0;
 205                         }
 206                         if (song->track) {
 207                                 strncpy(current_info->mpd.track, song->track,
 208                                                 TEXT_BUFFER_SIZE - 1);
 209                         } else {
 210                                 *current_info->mpd.track=0;
 211                         }
 212                         if (song->name) {
 213                                 strncpy(current_info->mpd.name, song->name,
 214                                                 TEXT_BUFFER_SIZE - 1);
 215                         } else {
 216                                 *current_info->mpd.name=0;
 217                         }
 218                         if (song->file) {
 219                                 strncpy(current_info->mpd.file,
 220                                                 song->file, TEXT_BUFFER_SIZE - 1);
 221                         } else {
 222                                 *current_info->mpd.file=0;
 223                         }
 224                         if (entity != NULL) {
 225                                 mpd_freeInfoEntity(entity);
 226                                 entity = NULL;
 227                         }
 228                 }
 229                 if (entity != NULL) {
 230                         mpd_freeInfoEntity(entity);
 231                         entity = NULL;
 232                 }
 233                 mpd_finishCommand(current_info->conn);
 234                 if (current_info->conn->error) {
 235                         //fprintf(stderr, "%s\n", current_info->conn->errorStr);
 236                         mpd_closeConnection(current_info->conn);
 237                         current_info->conn = 0;
 238                         timed_thread_unlock(mpd_timed_thread);
 239                         if (timed_thread_test(mpd_timed_thread)) timed_thread_exit(mpd_timed_thread);
 240                         continue;
 241                 }
 242
 243                 timed_thread_unlock(mpd_timed_thread);
 244                 if (current_info->conn->error) {
 245                         //fprintf(stderr, "%s\n", current_info->conn->errorStr);
 246                         mpd_closeConnection(current_info->conn);
 247                         current_info->conn = 0;
 248                         if (timed_thread_test(mpd_timed_thread)) timed_thread_exit(mpd_timed_thread);
 249                         continue;
 250                 }
 251
 252                 mpd_freeStatus(status);
 253 /*              if (current_info->conn) {
 254                         mpd_closeConnection(current_info->conn);
 255                         current_info->conn = 0;
 256                 }*/
 257                 if (timed_thread_test(mpd_timed_thread)) timed_thread_exit(mpd_timed_thread);
 258                 continue;
 259         }
 260         return 0;
 261 }