vcs.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                 clear_mpd_stats(current_info);
  92
  93                 if (current_info->conn->error || current_info->conn == NULL) {
  94                         //ERR("%MPD error: s\n", current_info->conn->errorStr);
  95                         mpd_closeConnection(current_info->conn);
  96                         current_info->conn = 0;
  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
 112                         strncpy(current_info->mpd.status, "MPD not responding", TEXT_BUFFER_SIZE - 1);
 113                         timed_thread_unlock(mpd_timed_thread);
 114                         if (timed_thread_test(mpd_timed_thread)) timed_thread_exit(mpd_timed_thread);
 115                         continue;
 116                 }
 117                 mpd_finishCommand(current_info->conn);
 118                 if (current_info->conn->error) {
 119                         //fprintf(stderr, "%s\n", current_info->conn->errorStr);
 120                         mpd_closeConnection(current_info->conn);
 121                         current_info->conn = 0;
 122                         timed_thread_unlock(mpd_timed_thread);
 123                         if (timed_thread_test(mpd_timed_thread)) timed_thread_exit(mpd_timed_thread);
 124                         continue;
 125                 }
 126
 127                 current_info->mpd.volume = status->volume;
 128                 //if (status->error)
 129                 //printf("error: %s\n", status->error);
 130
 131                 if (status->state == MPD_STATUS_STATE_PLAY) {
 132                         strncpy(current_info->mpd.status, "Playing",
 133                                         TEXT_BUFFER_SIZE - 1);
 134                 }
 135                 if (status->state == MPD_STATUS_STATE_STOP) {
 136                         strncpy(current_info->mpd.status, "Stopped",
 137                                         TEXT_BUFFER_SIZE - 1);
 138                 }
 139                 if (status->state == MPD_STATUS_STATE_PAUSE) {
 140                         strncpy(current_info->mpd.status, "Paused",
 141                                         TEXT_BUFFER_SIZE - 1);
 142                 }
 143                 if (status->state == MPD_STATUS_STATE_UNKNOWN) {
 144                         // current_info was already cleaned up by clear_mpd_stats()
 145                 }
 146                 if (status->state == MPD_STATUS_STATE_PLAY ||
 147                                 status->state == MPD_STATUS_STATE_PAUSE) {
 148                         current_info->mpd.bitrate = status->bitRate;
 149                         current_info->mpd.progress =
 150                                 (float) status->elapsedTime / status->totalTime;
 151                         current_info->mpd.elapsed = status->elapsedTime;
 152                         current_info->mpd.length = status->totalTime;
 153                         if (status->random == 0) {
 154                                 strcpy(current_info->mpd.random, "Off");
 155                         } else if (status->random == 1) {
 156                                 strcpy(current_info->mpd.random, "On");
 157                         } else {
 158                                 *current_info->mpd.random=0;
 159                         }
 160                         if (status->repeat == 0) {
 161                                 strcpy(current_info->mpd.repeat, "Off");
 162                         } else if (status->repeat == 1) {
 163                                 strcpy(current_info->mpd.repeat, "On");
 164                         } else {
 165                                 *current_info->mpd.repeat=0;
 166                         }
 167                 }
 168
 169                 if (current_info->conn->error) {
 170                         //fprintf(stderr, "%s\n", current_info->conn->errorStr);
 171                         mpd_closeConnection(current_info->conn);
 172                         current_info->conn = 0;
 173                         timed_thread_unlock(mpd_timed_thread);
 174                         if (timed_thread_test(mpd_timed_thread)) timed_thread_exit(mpd_timed_thread);
 175                         continue;
 176                 }
 177
 178                 mpd_sendCurrentSongCommand(current_info->conn);
 179                 while ((entity = mpd_getNextInfoEntity(current_info->conn))) {
 180                         mpd_Song *song = entity->info.song;
 181                         if (entity->type != MPD_INFO_ENTITY_TYPE_SONG) {
 182                                 mpd_freeInfoEntity(entity);
 183                                 continue;
 184                         }
 185
 186                         if (song->artist) {
 187                                 strncpy(current_info->mpd.artist, song->artist,
 188                                                 TEXT_BUFFER_SIZE - 1);
 189                         } else {
 190                                 *current_info->mpd.artist=0;
 191                         }
 192                         if (song->album) {
 193                                 strncpy(current_info->mpd.album, song->album,
 194                                                 TEXT_BUFFER_SIZE - 1);
 195                         } else {
 196                                 *current_info->mpd.album=0;
 197                         }
 198                         if (song->title) {
 199                                 strncpy(current_info->mpd.title, song->title,
 200                                                 TEXT_BUFFER_SIZE - 1);
 201                         } else {
 202                                 *current_info->mpd.title=0;
 203                         }
 204                         if (song->track) {
 205                                 strncpy(current_info->mpd.track, song->track,
 206                                                 TEXT_BUFFER_SIZE - 1);
 207                         } else {
 208                                 *current_info->mpd.track=0;
 209                         }
 210                         if (song->name) {
 211                                 strncpy(current_info->mpd.name, song->name,
 212                                                 TEXT_BUFFER_SIZE - 1);
 213                         } else {
 214                                 *current_info->mpd.name=0;
 215                         }
 216                         if (song->file) {
 217                                 strncpy(current_info->mpd.file,
 218                                                 song->file, TEXT_BUFFER_SIZE - 1);
 219                         } else {
 220                                 *current_info->mpd.file=0;
 221                         }
 222                         if (entity != NULL) {
 223                                 mpd_freeInfoEntity(entity);
 224                                 entity = NULL;
 225                         }
 226                 }
 227                 if (entity != NULL) {
 228                         mpd_freeInfoEntity(entity);
 229                         entity = NULL;
 230                 }
 231                 mpd_finishCommand(current_info->conn);
 232                 if (current_info->conn->error) {
 233                         //fprintf(stderr, "%s\n", current_info->conn->errorStr);
 234                         mpd_closeConnection(current_info->conn);
 235                         current_info->conn = 0;
 236                         timed_thread_unlock(mpd_timed_thread);
 237                         if (timed_thread_test(mpd_timed_thread)) timed_thread_exit(mpd_timed_thread);
 238                         continue;
 239                 }
 240
 241                 timed_thread_unlock(mpd_timed_thread);
 242                 if (current_info->conn->error) {
 243                         //fprintf(stderr, "%s\n", current_info->conn->errorStr);
 244                         mpd_closeConnection(current_info->conn);
 245                         current_info->conn = 0;
 246                         if (timed_thread_test(mpd_timed_thread)) timed_thread_exit(mpd_timed_thread);
 247                         continue;
 248                 }
 249
 250                 mpd_freeStatus(status);
 251 /*              if (current_info->conn) {
 252                         mpd_closeConnection(current_info->conn);
 253                         current_info->conn = 0;
 254                 }*/
 255                 if (timed_thread_test(mpd_timed_thread)) timed_thread_exit(mpd_timed_thread);
 256                 continue;
 257         }
 258         return 0;
 259 }