From 61f1df17be9215aa2e2443baa8aa02aca9d09ed0 Mon Sep 17 00:00:00 2001 From: reinelt Date: Sat, 15 Apr 2006 05:22:52 +0000 Subject: [lcd4linux @ 2006-04-15 05:22:52 by reinelt] mpd plugin from Stefan Kuhne git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@658 3ae390bd-cb1e-0410-b409-cd5a39f66f1f --- plugin_mpd.c | 239 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 239 insertions(+) create mode 100644 plugin_mpd.c (limited to 'plugin_mpd.c') diff --git a/plugin_mpd.c b/plugin_mpd.c new file mode 100644 index 0000000..1316687 --- /dev/null +++ b/plugin_mpd.c @@ -0,0 +1,239 @@ +/* $Id: plugin_mpd.c,v 1.1 2006/04/15 05:22:52 reinelt Exp $ + * + * mpd informations + * + * Copyright (C) 2006 Stefan Kuhne + * Copyright (C) 2006 The LCD4Linux Team + * + * This file is part of LCD4Linux. + * + * LCD4Linux is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2, or (at your option) + * any later version. + * + * LCD4Linux is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + * + * $Log: plugin_mpd.c,v $ + * Revision 1.1 2006/04/15 05:22:52 reinelt + * mpd plugin from Stefan Kuhne + * + */ + +/* + * exported functions: + * + * int plugin_init_sample (void) + * adds various functions + * + */ + + +#include "config.h" +#include +#include +#include +#include + +#include "debug.h" +#include "plugin.h" + +#include + +#ifdef WITH_DMALLOC +#include +#endif + +/* Struct Pointer */ + +struct Pointer { + mpd_Connection *conn; + mpd_Status *status; + mpd_InfoEntity *entity; +}; + + + +static struct Pointer connect() +{ + char *host = "localhost"; + char *port = "6600"; + int iport; + char *test; + struct Pointer mpd; + + if ((test = getenv("MPD_HOST"))) { + host = test; + } + + if ((test = getenv("MPD_PORT"))) { + port = test; + } + + iport = strtol(port, &test, 10); + + if (iport < 0 || *test != '\0') { + fprintf(stderr, "MPD_PORT \"%s\" is not a positive integer\n", port); + exit(EXIT_FAILURE); + } + + mpd.conn = mpd_newConnection(host, iport, 10); + + mpd_sendCommandListOkBegin(mpd.conn); + mpd_sendStatusCommand(mpd.conn); + mpd_sendCurrentSongCommand(mpd.conn); + mpd_sendCommandListEnd(mpd.conn); + + if ((mpd.status = mpd_getStatus(mpd.conn)) == NULL) { + fprintf(stderr, "%s\n", mpd.conn->errorStr); + mpd_closeConnection(mpd.conn); + } + + if (mpd.status->error) { + printf("error: %s\n", mpd.status->error); + } + + if (mpd.conn->error) { + fprintf(stderr, "%s\n", mpd.conn->errorStr); + mpd_closeConnection(mpd.conn); + } + + return mpd; +} + + +static void disconnect(struct Pointer mpd) +{ + if (mpd.conn->error) { + fprintf(stderr, "%s\n", mpd.conn->errorStr); + mpd_closeConnection(mpd.conn); + } + + mpd_finishCommand(mpd.conn); + if (mpd.conn->error) { + fprintf(stderr, "%s\n", mpd.conn->errorStr); + mpd_closeConnection(mpd.conn); + } + + mpd_freeStatus(mpd.status); + mpd_closeConnection(mpd.conn); +} + + +/* function 'artist' */ +/* takes one argument, a number */ +/* multiplies the number by 3.0 */ +/* same as 'mul2', but shorter */ + +static void artist(RESULT * result, RESULT * query) +{ + char *value = " "; + struct Pointer mpd = connect(); + + mpd_nextListOkCommand(mpd.conn); + + while ((mpd.entity = mpd_getNextInfoEntity(mpd.conn))) { + mpd_Song *song = mpd.entity->info.song; + + if (mpd.entity->type != MPD_INFO_ENTITY_TYPE_SONG) { + mpd_freeInfoEntity(mpd.entity); + continue; + } + + if (song->artist) { + value = strdup(song->artist); + } + mpd_freeInfoEntity(mpd.entity); + } + + disconnect(mpd); + + /* store result */ + SetResult(&result, R_STRING, value); + + free(value); +} + + +static void title(RESULT * result, RESULT * query) +{ + char *value = " "; + struct Pointer mpd = connect(); + + mpd_nextListOkCommand(mpd.conn); + + while ((mpd.entity = mpd_getNextInfoEntity(mpd.conn))) { + mpd_Song *song = mpd.entity->info.song; + + if (mpd.entity->type != MPD_INFO_ENTITY_TYPE_SONG) { + mpd_freeInfoEntity(mpd.entity); + continue; + } + + if (song->title) { + value = strdup(song->title); + } + mpd_freeInfoEntity(mpd.entity); + } + + disconnect(mpd); + + /* store result */ + SetResult(&result, R_STRING, value); + + free(value); +} + + +static void album(RESULT * result, RESULT * query) +{ + char *value = " "; + struct Pointer mpd = connect(); + + mpd_nextListOkCommand(mpd.conn); + + while ((mpd.entity = mpd_getNextInfoEntity(mpd.conn))) { + mpd_Song *song = mpd.entity->info.song; + + if (mpd.entity->type != MPD_INFO_ENTITY_TYPE_SONG) { + mpd_freeInfoEntity(mpd.entity); + continue; + } + + if (song->album) { + value = strdup(song->album); + } + mpd_freeInfoEntity(mpd.entity); + } + + disconnect(mpd); + + /* store result */ + SetResult(&result, R_STRING, value); + + free(value); +} + + +int plugin_init_mpd(void) +{ + AddFunction("mpd::artist", 0, artist); + AddFunction("mpd::title", 0, title); + AddFunction("mpd::album", 0, album); + + return 0; +} + + +void plugin_exit_mpd(void) +{ + /* empty */ +} -- cgit v1.2.3