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                 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                         if (timed_thread_test(mpd_timed_thread)) timed_thread_exit(mpd_timed_thread);
 100                         continue;
 101                 }
 102
 103                 mpd_Status *status;
 104                 mpd_InfoEntity *entity;
 105                 mpd_sendStatusCommand(current_info->conn);
 106                 if ((status = mpd_getStatus(current_info->conn)) == NULL) {
 107                         //ERR("MPD error: %s\n", current_info->conn->errorStr);
 108                         mpd_closeConnection(current_info->conn);
 109                         current_info->conn = 0;
 110
 111                         strncpy(current_info->mpd.status, "MPD not responding", TEXT_BUFFER_SIZE - 1);
 112                         timed_thread_unlock(mpd_timed_thread);
 113                         if (timed_thread_test(mpd_timed_thread)) timed_thread_exit(mpd_timed_thread);
 114                         continue;
 115                 }
 116                 mpd_finishCommand(current_info->conn);
 117                 if (current_info->conn->error) {
 118                         //fprintf(stderr, "%s\n", current_info->conn->errorStr);
 119                         mpd_closeConnection(current_info->conn);
 120                         current_info->conn = 0;
 121                         if (timed_thread_test(mpd_timed_thread)) timed_thread_exit(mpd_timed_thread);
 122                         continue;
 123                 }
 124
 125                 current_info->mpd.volume = status->volume;
 126                 //if (status->error)
 127                 //printf("error: %s\n", status->error);
 128
 129                 if (status->state == MPD_STATUS_STATE_PLAY) {
 130                         strncpy(current_info->mpd.status, "Playing",
 131                                         TEXT_BUFFER_SIZE - 1);
 132                 }
 133                 if (status->state == MPD_STATUS_STATE_STOP) {
 134                         strncpy(current_info->mpd.status, "Stopped",
 135                                         TEXT_BUFFER_SIZE - 1);
 136                 }
 137                 if (status->state == MPD_STATUS_STATE_PAUSE) {
 138                         strncpy(current_info->mpd.status, "Paused",
 139                                         TEXT_BUFFER_SIZE - 1);
 140                 }
 141                 if (status->state == MPD_STATUS_STATE_UNKNOWN) {
 142                         // current_info was already cleaned up by clear_mpd_stats()
 143                 }
 144                 if (status->state == MPD_STATUS_STATE_PLAY ||
 145                                 status->state == MPD_STATUS_STATE_PAUSE) {
 146                         current_info->mpd.bitrate = status->bitRate;
 147                         current_info->mpd.progress =
 148                                 (float) status->elapsedTime / status->totalTime;
 149                         current_info->mpd.elapsed = status->elapsedTime;
 150                         current_info->mpd.length = status->totalTime;
 151                         if (status->random == 0) {
 152                                 strcpy(current_info->mpd.random, "Off");
 153                         } else if (status->random == 1) {
 154                                 strcpy(current_info->mpd.random, "On");
 155                         } else {
 156                                 *current_info->mpd.random=0;
 157                         }
 158                         if (status->repeat == 0) {
 159                                 strcpy(current_info->mpd.repeat, "Off");
 160                         } else if (status->repeat == 1) {
 161                                 strcpy(current_info->mpd.repeat, "On");
 162                         } else {
 163                                 *current_info->mpd.repeat=0;
 164                         }
 165                 }
 166
 167                 if (current_info->conn->error) {
 168                         //fprintf(stderr, "%s\n", current_info->conn->errorStr);
 169                         mpd_closeConnection(current_info->conn);
 170                         current_info->conn = 0;
 171                         timed_thread_unlock(mpd_timed_thread);
 172                         if (timed_thread_test(mpd_timed_thread)) timed_thread_exit(mpd_timed_thread);
 173                         continue;
 174                 }
 175
 176                 mpd_sendCurrentSongCommand(current_info->conn);
 177                 while ((entity = mpd_getNextInfoEntity(current_info->conn))) {
 178                         mpd_Song *song = entity->info.song;
 179                         if (entity->type != MPD_INFO_ENTITY_TYPE_SONG) {
 180                                 mpd_freeInfoEntity(entity);
 181                                 continue;
 182                         }
 183
 184                         if (song->artist) {
 185                                 strncpy(current_info->mpd.artist, song->artist,
 186                                                 TEXT_BUFFER_SIZE - 1);
 187                         } else {
 188                                 *current_info->mpd.artist=0;
 189                         }
 190                         if (song->album) {
 191                                 strncpy(current_info->mpd.album, song->album,
 192                                                 TEXT_BUFFER_SIZE - 1);
 193                         } else {
 194                                 *current_info->mpd.album=0;
 195                         }
 196                         if (song->title) {
 197                                 strncpy(current_info->mpd.title, song->title,
 198                                                 TEXT_BUFFER_SIZE - 1);
 199                         } else {
 200                                 *current_info->mpd.title=0;
 201                         }
 202                         if (song->track) {
 203                                 strncpy(current_info->mpd.track, song->track,
 204                                                 TEXT_BUFFER_SIZE - 1);
 205                         } else {
 206                                 *current_info->mpd.track=0;
 207                         }
 208                         if (song->name) {
 209                                 strncpy(current_info->mpd.name, song->name,
 210                                                 TEXT_BUFFER_SIZE - 1);
 211                         } else {
 212                                 *current_info->mpd.name=0;
 213                         }
 214                         if (song->file) {
 215                                 strncpy(current_info->mpd.file,
 216                                                 song->file, TEXT_BUFFER_SIZE - 1);
 217                         } else {
 218                                 *current_info->mpd.file=0;
 219                         }
 220                         if (entity != NULL) {
 221                                 mpd_freeInfoEntity(entity);
 222                                 entity = NULL;
 223                         }
 224                 }
 225                 if (entity != NULL) {
 226                         mpd_freeInfoEntity(entity);
 227                         entity = NULL;
 228                 }
 229                 mpd_finishCommand(current_info->conn);
 230                 if (current_info->conn->error) {
 231                         //fprintf(stderr, "%s\n", current_info->conn->errorStr);
 232                         mpd_closeConnection(current_info->conn);
 233                         current_info->conn = 0;
 234                         if (timed_thread_test(mpd_timed_thread)) timed_thread_exit(mpd_timed_thread);
 235                         continue;
 236                 }
 237
 238                 timed_thread_unlock(mpd_timed_thread);
 239                 if (current_info->conn->error) {
 240                         //fprintf(stderr, "%s\n", current_info->conn->errorStr);
 241                         mpd_closeConnection(current_info->conn);
 242                         current_info->conn = 0;
 243                         if (timed_thread_test(mpd_timed_thread)) timed_thread_exit(mpd_timed_thread);
 244                         continue;
 245                 }
 246
 247                 mpd_freeStatus(status);
 248 /*              if (current_info->conn) {
 249                         mpd_closeConnection(current_info->conn);
 250                         current_info->conn = 0;
 251                 }*/
 252                 if (timed_thread_test(mpd_timed_thread)) timed_thread_exit(mpd_timed_thread);
 253                 continue;
 254         }
 255         return 0;
 256 }