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/*
* (C) 2011-2014 by Christian Hesse <mail@eworm.de>
*
* This software may be used and distributed according to the terms
* of the GNU General Public License, incorporated herein by reference.
*/
#include <mpd/client.h>
#include <libnotify/notify.h>
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <signal.h>
#include "config.h"
#define PROGNAME "mpd-notification"
#define NOTIFICATION_TIMEOUT 10000
#ifndef DEBUG
#define DEBUG 0
#endif
/* global variables */
char *program = NULL;
NotifyNotification * notification = NULL;
/*** show_again ***/
void show_again(int signal) {
GError * error = NULL;
if (!notify_notification_show(notification, &error)) {
g_printerr("%s: Error \"%s\" while trying to show notification again.\n", program, error->message);
g_error_free(error);
}
}
/*** main ***/
int main(int argc, char ** argv) {
char * album = NULL, * artist = NULL, * notifystr = NULL, * title = NULL;
GError * error = NULL;
unsigned short int errcount = 0, state = MPD_STATE_UNKNOWN;
const char * mpd_host = MPD_HOST;
unsigned mpd_port = MPD_PORT, mpd_timeout = MPD_TIMEOUT;
struct mpd_connection * conn = NULL;
struct mpd_song * song = NULL;
unsigned int i;
program = argv[0];
printf("%s: %s v%s (compiled: " __DATE__ ", " __TIME__
# if DEBUG
", with debug output"
# endif
")\n", program, PROGNAME, VERSION);
# if DEBUG
printf("%s: Started with PID %d\n", program, getpid());
# endif
for (i = 1; i < argc; i++) {
switch ((int)argv[i][0]) {
case '-':
switch ((int)argv[i][1]) {
case 'p':
mpd_port = atoi(argv[i] + 2);
printf("%s: using port %d\n", program, mpd_port);
break;
case 'h':
fprintf(stderr, "usage: %s [-pPORT] [-h] [-HHOST]\n", program);
return EXIT_SUCCESS;
case 'H':
mpd_host = argv[i] + 2;
if (strlen(mpd_host) == 0) {
fprintf(stderr, "No host given!\n");
return EXIT_FAILURE;
}
printf("%s: using host %s\n", program, mpd_host);
break;
default:
fprintf(stderr, "%s: unknown option: '%s'\n", program, argv[i]);
return EXIT_FAILURE;
}
break;
default:
fprintf(stderr, "%s: unknown command line argument: '%s'\n", program, argv[i]);
return EXIT_FAILURE;
}
}
conn = mpd_connection_new(mpd_host, mpd_port, mpd_timeout);
if (mpd_connection_get_error(conn) != MPD_ERROR_SUCCESS) {
fprintf(stderr,"%s: %s\n", program, mpd_connection_get_error_message(conn));
mpd_connection_free(conn);
exit(EXIT_FAILURE);
}
if(!notify_init(PROGNAME)) {
fprintf(stderr, "%s: Can't create notify.\n", program);
exit(EXIT_FAILURE);
}
notification =
# if NOTIFY_CHECK_VERSION(0, 7, 0)
notify_notification_new(TEXT_TOPIC, TEXT_NONE, ICON_SOUND);
# else
notify_notification_new(TEXT_TOPIC, TEXT_NONE, ICON_SOUND, NULL);
# endif
notify_notification_set_category(notification, PROGNAME);
notify_notification_set_urgency (notification, NOTIFY_URGENCY_NORMAL);
signal(SIGUSR1, show_again);
while(mpd_run_idle_mask(conn, MPD_IDLE_PLAYER)) {
mpd_command_list_begin(conn, true);
mpd_send_status(conn);
mpd_send_current_song(conn);
mpd_command_list_end(conn);
state = mpd_status_get_state(mpd_recv_status(conn));
if (state == MPD_STATE_PLAY) {
mpd_response_next(conn);
song = mpd_recv_song(conn);
if ((title = g_markup_escape_text(mpd_song_get_tag(song, MPD_TAG_TITLE, 0), -1)) == NULL)
title = TEXT_UNKNOWN;
if ((artist = g_markup_escape_text(mpd_song_get_tag(song, MPD_TAG_ARTIST, 0), -1)) == NULL)
artist = TEXT_UNKNOWN;
if ((album = g_markup_escape_text(mpd_song_get_tag(song, MPD_TAG_ALBUM, 0), -1)) == NULL)
album = TEXT_UNKNOWN;
notifystr = malloc(sizeof(TEXT_PLAY) + strlen(title) + strlen(artist) + strlen(album));
sprintf(notifystr, TEXT_PLAY, title, artist, album);
mpd_song_free(song);
} else if (state == MPD_STATE_PAUSE)
notifystr = TEXT_PAUSE;
else if (state == MPD_STATE_STOP)
notifystr = TEXT_STOP;
else
notifystr = TEXT_UNKNOWN;
# if DEBUG
printf("%s: %s\n", program, notifystr);
# endif
notify_notification_update(notification, TEXT_TOPIC, notifystr, ICON_SOUND);
notify_notification_set_timeout(notification, NOTIFICATION_TIMEOUT);
while(!notify_notification_show(notification, &error)) {
if (errcount > 1) {
fprintf(stderr, "%s: Looks like we can not reconnect to notification daemon... Exiting.\n", program);
exit(EXIT_FAILURE);
} else {
g_printerr("%s: Error \"%s\" while trying to show notification. Trying to reconnect.\n", program, error->message);
errcount++;
g_error_free(error);
error = NULL;
notify_uninit();
usleep(500 * 1000);
if(!notify_init(PROGNAME)) {
fprintf(stderr, "%s: Can't create notify.\n", program);
exit(EXIT_FAILURE);
}
}
}
errcount = 0;
if (state == MPD_STATE_PLAY)
free(notifystr);
mpd_response_finish(conn);
}
mpd_connection_free(conn);
g_object_unref(G_OBJECT(notification));
notify_uninit();
return EXIT_SUCCESS;
}
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