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 static void clear_mpd_stats(struct information *current_info)
  35 {
  36         if (current_info->mpd.artist == NULL)
  37                 current_info->mpd.artist = malloc(TEXT_BUFFER_SIZE);
  38         if (current_info->mpd.album == NULL)
  39                 current_info->mpd.album = malloc(TEXT_BUFFER_SIZE);
  40         if (current_info->mpd.title == NULL)
  41                 current_info->mpd.title = malloc(TEXT_BUFFER_SIZE);
  42         if (current_info->mpd.random == NULL)
  43                 current_info->mpd.random = malloc(TEXT_BUFFER_SIZE);
  44         if (current_info->mpd.repeat == NULL)
  45                 current_info->mpd.repeat = malloc(TEXT_BUFFER_SIZE);
  46         if (current_info->mpd.track == NULL)
  47                 current_info->mpd.track = malloc(TEXT_BUFFER_SIZE);
  48         if (current_info->mpd.status == NULL)
  49                 current_info->mpd.status = malloc(TEXT_BUFFER_SIZE);
  50         if (current_info->mpd.name == NULL)
  51                 current_info->mpd.name = malloc(TEXT_BUFFER_SIZE);
  52         if (current_info->mpd.file == NULL)
  53                 current_info->mpd.file = malloc(TEXT_BUFFER_SIZE);
  54
  55         *current_info->mpd.name=0;
  56         *current_info->mpd.file=0;
  57         *current_info->mpd.artist=0;
  58         *current_info->mpd.album=0;
  59         *current_info->mpd.title=0;
  60         *current_info->mpd.random=0;
  61         *current_info->mpd.repeat=0;
  62         *current_info->mpd.track=0;
  63         current_info->mpd.bitrate = 0;
  64         current_info->mpd.progress = 0;
  65         current_info->mpd.elapsed = 0;
  66         current_info->mpd.length = 0;
  67 }
  68
  69 void update_mpd()
  70 {
  71         struct information *current_info = &info;
  72         if (current_info->conn == NULL) {
  73                 current_info->conn = mpd_newConnection(current_info->mpd.host, current_info->mpd.port, 10);
  74         }
  75         if (strlen(current_info->mpd.password) > 1) {
  76                 mpd_sendPasswordCommand(current_info->conn,
  77                                         current_info->mpd.password);
  78                 mpd_finishCommand(current_info->conn);
  79         }
  80
  81         // This makes sure everything we need is malloc'ed and clear
  82         clear_mpd_stats(current_info);
  83
  84         if (current_info->conn->error) {
  85                 //ERR("%MPD error: s\n", current_info->conn->errorStr);
  86                 mpd_closeConnection(current_info->conn);
  87                 current_info->conn = 0;
  88
  89                 strncpy(current_info->mpd.status, "MPD not responding", TEXT_BUFFER_SIZE - 1);
  90                 return;
  91         }
  92
  93         mpd_Status *status;
  94         mpd_InfoEntity *entity;
  95         mpd_sendCommandListOkBegin(current_info->conn);
  96         mpd_sendStatusCommand(current_info->conn);
  97         mpd_sendCurrentSongCommand(current_info->conn);
  98         mpd_sendCommandListEnd(current_info->conn);
  99         if ((status = mpd_getStatus(current_info->conn)) == NULL) {
 100                 //ERR("MPD error: %s\n", current_info->conn->errorStr);
 101                 mpd_closeConnection(current_info->conn);
 102                 current_info->conn = 0;
 103
 104                 strncpy(current_info->mpd.status, "MPD not responding", TEXT_BUFFER_SIZE - 1);
 105                 return;
 106         }
 107
 108         current_info->mpd.volume = status->volume;
 109         //if (status->error)
 110         //printf("error: %s\n", status->error);
 111
 112         if (status->state == MPD_STATUS_STATE_PLAY) {
 113                 strncpy(current_info->mpd.status, "Playing",
 114                         TEXT_BUFFER_SIZE - 1);
 115         }
 116         if (status->state == MPD_STATUS_STATE_STOP) {
 117                 strncpy(current_info->mpd.status, "Stopped",
 118                         TEXT_BUFFER_SIZE - 1);
 119         }
 120         if (status->state == MPD_STATUS_STATE_PAUSE) {
 121                 strncpy(current_info->mpd.status, "Paused",
 122                         TEXT_BUFFER_SIZE - 1);
 123         }
 124         if (status->state == MPD_STATUS_STATE_UNKNOWN) {
 125                 // current_info was already cleaned up by clear_mpd_stats()
 126         }
 127         if (status->state == MPD_STATUS_STATE_PLAY ||
 128             status->state == MPD_STATUS_STATE_PAUSE) {
 129                 current_info->mpd.bitrate = status->bitRate;
 130                 current_info->mpd.progress =
 131                     (float) status->elapsedTime / status->totalTime;
 132                 current_info->mpd.elapsed = status->elapsedTime;
 133                 current_info->mpd.length = status->totalTime;
 134                 if (status->random == 0) {
 135                         strcpy(current_info->mpd.random, "Off");
 136                 } else if (status->random == 1) {
 137                         strcpy(current_info->mpd.random, "On");
 138                 } else {
 139                         *current_info->mpd.random=0;
 140                 }
 141                 if (status->repeat == 0) {
 142                         strcpy(current_info->mpd.repeat, "Off");
 143                 } else if (status->repeat == 1) {
 144                         strcpy(current_info->mpd.repeat, "On");
 145                 } else {
 146                         *current_info->mpd.repeat=0;
 147                 }
 148         }
 149
 150         if (current_info->conn->error) {
 151                 //fprintf(stderr, "%s\n", current_info->conn->errorStr);
 152                 mpd_closeConnection(current_info->conn);
 153                 current_info->conn = 0;
 154                 return;
 155         }
 156
 157         mpd_nextListOkCommand(current_info->conn);
 158
 159         while ((entity = mpd_getNextInfoEntity(current_info->conn))) {
 160                 mpd_Song *song = entity->info.song;
 161                 if (entity->type != MPD_INFO_ENTITY_TYPE_SONG) {
 162                         mpd_freeInfoEntity(entity);
 163                         continue;
 164                 }
 165
 166                 if (song->artist) {
 167                         strncpy(current_info->mpd.artist, song->artist,
 168                                 TEXT_BUFFER_SIZE - 1);
 169                 } else {
 170                         *current_info->mpd.artist=0;
 171                 }
 172                 if (song->album) {
 173                         strncpy(current_info->mpd.album, song->album,
 174                                 TEXT_BUFFER_SIZE - 1);
 175                 } else {
 176                         *current_info->mpd.album=0;
 177                 }
 178                 if (song->title) {
 179                         strncpy(current_info->mpd.title, song->title,
 180                                 TEXT_BUFFER_SIZE - 1);
 181                 } else {
 182                         *current_info->mpd.title=0;
 183                 }
 184                 if (song->track) {
 185                         strncpy(current_info->mpd.track, song->track,
 186                                 TEXT_BUFFER_SIZE - 1);
 187                 } else {
 188                         *current_info->mpd.track=0;
 189                 }
 190                 if (song->name) {
 191                         strncpy(current_info->mpd.name, song->name,
 192                                 TEXT_BUFFER_SIZE - 1);
 193                 } else {
 194                         *current_info->mpd.name=0;
 195                 }
 196                 if (song->file) {
 197                         strncpy(current_info->mpd.file,
 198                                 song->file, TEXT_BUFFER_SIZE - 1);
 199                 } else {
 200                         *current_info->mpd.file=0;
 201                 }
 202                 if (entity != NULL) {
 203                         mpd_freeInfoEntity(entity);
 204                         entity = NULL;
 205                 }
 206         }
 207         if (entity != NULL) {
 208                 mpd_freeInfoEntity(entity);
 209                 entity = NULL;
 210         }
 211
 212         if (current_info->conn->error) {
 213                 //fprintf(stderr, "%s\n", current_info->conn->errorStr);
 214                 mpd_closeConnection(current_info->conn);
 215                 current_info->conn = 0;
 216                 return;
 217         }
 218
 219         mpd_finishCommand(current_info->conn);
 220         if (current_info->conn->error) {
 221                 //fprintf(stderr, "%s\n", current_info->conn->errorStr);
 222                 mpd_closeConnection(current_info->conn);
 223                 current_info->conn = 0;
 224                 return;
 225         }
 226         mpd_freeStatus(status);
 227 //      mpd_closeConnection(current_info->conn);
 228 }