-/*
- * mpd.c: MPD stuff for Conky
+/* -*- mode: c; c-basic-offset: 4; tab-width: 4; indent-tabs-mode: t -*-
+ * vim: ts=4 sw=4 noet ai cindent syntax=c
+ *
+ * Conky, a system monitor, based on torsmo
+ *
+ * Any original torsmo code is licensed under the BSD license
+ *
+ * All code written since the fork of torsmo is licensed under the GPL
+ *
+ * Please see COPYING for details
+ *
+ * Copyright (c) 2005-2010 Brenden Matthews, Philip Kovacs, et. al.
+ * (see AUTHORS)
+ * All rights reserved.
+ *
+ * This program 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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, see <http://www.gnu.org/licenses/>.
*
- * $Id$
*/
#include "conky.h"
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
+#include "logging.h"
+#include "timed_thread.h"
+#include "timeinfo.h"
#include "libmpdclient.h"
+#include "mpd.h"
-static void clear_mpd_stats(struct information *current_info)
-{
- if (current_info->mpd.artist == NULL)
- current_info->mpd.artist = malloc(TEXT_BUFFER_SIZE);
- if (current_info->mpd.album == NULL)
- current_info->mpd.album = malloc(TEXT_BUFFER_SIZE);
- if (current_info->mpd.title == NULL)
- current_info->mpd.title = malloc(TEXT_BUFFER_SIZE);
- if (current_info->mpd.random == NULL)
- current_info->mpd.random = malloc(TEXT_BUFFER_SIZE);
- if (current_info->mpd.repeat == NULL)
- current_info->mpd.repeat = malloc(TEXT_BUFFER_SIZE);
- if (current_info->mpd.track == NULL)
- current_info->mpd.track = malloc(TEXT_BUFFER_SIZE);
- if (current_info->mpd.status == NULL)
- current_info->mpd.status = malloc(TEXT_BUFFER_SIZE);
- if (current_info->mpd.name == NULL)
- current_info->mpd.name = malloc(TEXT_BUFFER_SIZE);
- if (current_info->mpd.file == NULL)
- current_info->mpd.file = malloc(TEXT_BUFFER_SIZE);
-
- *current_info->mpd.name=0;
- *current_info->mpd.file=0;
- *current_info->mpd.artist=0;
- *current_info->mpd.album=0;
- *current_info->mpd.title=0;
- *current_info->mpd.random=0;
- *current_info->mpd.repeat=0;
- *current_info->mpd.track=0;
- current_info->mpd.bitrate = 0;
- current_info->mpd.progress = 0;
- current_info->mpd.elapsed = 0;
- current_info->mpd.length = 0;
-}
-
-void update_mpd()
-{
- struct information *current_info = &info;
- if (current_info->conn == NULL) {
- current_info->conn = mpd_newConnection(current_info->mpd.host, current_info->mpd.port, 10);
- }
- if (strlen(current_info->mpd.password) > 1) {
- mpd_sendPasswordCommand(current_info->conn,
- current_info->mpd.password);
- mpd_finishCommand(current_info->conn);
+/* server connection data */
+static char mpd_host[128];
+static char mpd_password[128];
+static int mpd_port;
+
+/* this is >0 if the current password was set from MPD_HOST */
+static int mpd_environment_password = 0;
+
+/* global mpd information */
+static struct mpd_s mpd_info;
+
+/* number of users of the above struct */
+static int refcount = 0;
+
+void mpd_set_host(const char *host)
+{
+ snprintf(mpd_host, 128, "%s", host);
+
+ if (mpd_environment_password) {
+ /* for security, dont use environment password when user specifies host in config */
+ mpd_clear_password();
}
+}
+void mpd_set_password(const char *password, int from_environment)
+{
+ snprintf(mpd_password, 128, "%s", password);
+ mpd_environment_password = from_environment;
+}
+void mpd_clear_password(void)
+{
+ *mpd_password = '\0';
+ mpd_environment_password = 0;
+}
+int mpd_set_port(const char *port)
+{
+ int val;
+
+ val = strtol(port, 0, 0);
+ if (val < 1 || val > 0xffff)
+ return 1;
+ mpd_port = val;
+ return 0;
+}
- // This makes sure everything we need is malloc'ed and clear
- clear_mpd_stats(current_info);
+void init_mpd(void)
+{
+ if (!(refcount++)) /* first client */
+ memset(&mpd_info, 0, sizeof(mpd_info));
+}
- if (current_info->conn->error) {
- //ERR("%MPD error: s\n", current_info->conn->errorStr);
- mpd_closeConnection(current_info->conn);
- current_info->conn = 0;
+struct mpd_s *mpd_get_info(void)
+{
+ return &mpd_info;
+}
- strncpy(current_info->mpd.status, "MPD not responding", TEXT_BUFFER_SIZE - 1);
- return;
+static void clear_mpd(void)
+{
+#define xfree(x) if (x) free(x)
+ xfree(mpd_info.title);
+ xfree(mpd_info.artist);
+ xfree(mpd_info.album);
+ /* do not free() the const char *status! */
+ /* do not free() the const char *random! */
+ /* do not free() the const char *repeat! */
+ xfree(mpd_info.track);
+ xfree(mpd_info.name);
+ xfree(mpd_info.file);
+#undef xfree
+ memset(&mpd_info, 0, sizeof(struct mpd_s));
+}
+
+void free_mpd(void)
+{
+ if (!(--refcount)) /* last client */
+ clear_mpd();
+}
+
+static void *update_mpd_thread(void *) __attribute__((noreturn));
+
+int update_mpd(void)
+{
+ int interval;
+ static timed_thread *thread = NULL;
+
+ if (thread)
+ return 0;
+
+ interval = info.music_player_interval * 1000000;
+ thread = timed_thread_create(&update_mpd_thread, &thread, interval);
+ if (!thread) {
+ NORM_ERR("Failed to create MPD timed thread");
+ return 0;
}
+ timed_thread_register(thread, &thread);
+ if (timed_thread_run(thread))
+ NORM_ERR("Failed to run MPD timed thread");
+ return 0;
+}
+
+/* stringMAXdup dups at most text_buffer_size bytes */
+#define strmdup(x) strndup(x, text_buffer_size - 1)
+static void *update_mpd_thread(void *arg)
+{
+ static mpd_Connection *conn = NULL;
mpd_Status *status;
mpd_InfoEntity *entity;
- mpd_sendCommandListOkBegin(current_info->conn);
- mpd_sendStatusCommand(current_info->conn);
- mpd_sendCurrentSongCommand(current_info->conn);
- mpd_sendCommandListEnd(current_info->conn);
- if ((status = mpd_getStatus(current_info->conn)) == NULL) {
- //ERR("MPD error: %s\n", current_info->conn->errorStr);
- mpd_closeConnection(current_info->conn);
- current_info->conn = 0;
-
- strncpy(current_info->mpd.status, "MPD not responding", TEXT_BUFFER_SIZE - 1);
- return;
- }
-
- current_info->mpd.volume = status->volume;
- //if (status->error)
- //printf("error: %s\n", status->error);
-
- if (status->state == MPD_STATUS_STATE_PLAY) {
- strncpy(current_info->mpd.status, "Playing",
- TEXT_BUFFER_SIZE - 1);
- }
- if (status->state == MPD_STATUS_STATE_STOP) {
- strncpy(current_info->mpd.status, "Stopped",
- TEXT_BUFFER_SIZE - 1);
- }
- if (status->state == MPD_STATUS_STATE_PAUSE) {
- strncpy(current_info->mpd.status, "Paused",
- TEXT_BUFFER_SIZE - 1);
- }
- if (status->state == MPD_STATUS_STATE_UNKNOWN) {
- // current_info was already cleaned up by clear_mpd_stats()
- }
- if (status->state == MPD_STATUS_STATE_PLAY ||
- status->state == MPD_STATUS_STATE_PAUSE) {
- current_info->mpd.bitrate = status->bitRate;
- current_info->mpd.progress =
- (float) status->elapsedTime / status->totalTime;
- current_info->mpd.elapsed = status->elapsedTime;
- current_info->mpd.length = status->totalTime;
+ timed_thread *me = *(timed_thread **)arg;
+ const char *emptystr = "";
+
+ while (1) {
+ if (!conn)
+ conn = mpd_newConnection(mpd_host, mpd_port, 10);
+
+ if (*mpd_password) {
+ mpd_sendPasswordCommand(conn, mpd_password);
+ mpd_finishCommand(conn);
+ }
+
+ timed_thread_lock(me);
+
+ if (conn->error || conn == NULL) {
+ NORM_ERR("MPD error: %s\n", conn->errorStr);
+ mpd_closeConnection(conn);
+ conn = 0;
+ clear_mpd();
+
+ mpd_info.status = "MPD not responding";
+ timed_thread_unlock(me);
+ if (timed_thread_test(me, 0)) {
+ timed_thread_exit(me);
+ }
+ continue;
+ }
+
+ mpd_sendStatusCommand(conn);
+ if ((status = mpd_getStatus(conn)) == NULL) {
+ NORM_ERR("MPD error: %s\n", conn->errorStr);
+ mpd_closeConnection(conn);
+ conn = 0;
+ clear_mpd();
+
+ mpd_info.status = "MPD not responding";
+ timed_thread_unlock(me);
+ if (timed_thread_test(me, 0)) {
+ timed_thread_exit(me);
+ }
+ continue;
+ }
+ mpd_finishCommand(conn);
+ if (conn->error) {
+ // fprintf(stderr, "%s\n", conn->errorStr);
+ mpd_closeConnection(conn);
+ conn = 0;
+ timed_thread_unlock(me);
+ if (timed_thread_test(me, 0)) {
+ timed_thread_exit(me);
+ }
+ continue;
+ }
+
+ mpd_info.vol = status->volume;
if (status->random == 0) {
- strcpy(current_info->mpd.random, "Off");
+ mpd_info.random = "Off";
} else if (status->random == 1) {
- strcpy(current_info->mpd.random, "On");
+ mpd_info.random = "On";
} else {
- *current_info->mpd.random=0;
+ mpd_info.random = "";
}
if (status->repeat == 0) {
- strcpy(current_info->mpd.repeat, "Off");
+ mpd_info.repeat = "Off";
} else if (status->repeat == 1) {
- strcpy(current_info->mpd.repeat, "On");
+ mpd_info.repeat = "On";
} else {
- *current_info->mpd.repeat=0;
+ mpd_info.repeat = "";
}
- }
+ /* if (status->error) {
+ printf("error: %s\n", status->error);
+ } */
- if (current_info->conn->error) {
- //fprintf(stderr, "%s\n", current_info->conn->errorStr);
- mpd_closeConnection(current_info->conn);
- current_info->conn = 0;
- return;
- }
-
- mpd_nextListOkCommand(current_info->conn);
-
- while ((entity = mpd_getNextInfoEntity(current_info->conn))) {
- mpd_Song *song = entity->info.song;
- if (entity->type != MPD_INFO_ENTITY_TYPE_SONG) {
- mpd_freeInfoEntity(entity);
- continue;
+ switch (status->state) {
+ case MPD_STATUS_STATE_PLAY:
+ mpd_info.status = "Playing";
+ break;
+ case MPD_STATUS_STATE_STOP:
+ mpd_info.status = "Stopped";
+ break;
+ case MPD_STATUS_STATE_PAUSE:
+ mpd_info.status = "Paused";
+ break;
+ default:
+ mpd_info.status = "";
+ clear_mpd();
+ break;
}
- if (song->artist) {
- strncpy(current_info->mpd.artist, song->artist,
- TEXT_BUFFER_SIZE - 1);
- } else {
- *current_info->mpd.artist=0;
- }
- if (song->album) {
- strncpy(current_info->mpd.album, song->album,
- TEXT_BUFFER_SIZE - 1);
+ if (status->state == MPD_STATUS_STATE_PLAY ||
+ status->state == MPD_STATUS_STATE_PAUSE) {
+ mpd_info.is_playing = 1;
+ mpd_info.bitrate = status->bitRate;
+ mpd_info.progress = (float) status->elapsedTime /
+ status->totalTime;
+ mpd_info.elapsed = status->elapsedTime;
+ mpd_info.length = status->totalTime;
} else {
- *current_info->mpd.album=0;
+ mpd_info.progress = 0;
+ mpd_info.is_playing = 0;
+ mpd_info.elapsed = 0;
}
- if (song->title) {
- strncpy(current_info->mpd.title, song->title,
- TEXT_BUFFER_SIZE - 1);
- } else {
- *current_info->mpd.title=0;
+
+ if (conn->error) {
+ // fprintf(stderr, "%s\n", conn->errorStr);
+ mpd_closeConnection(conn);
+ conn = 0;
+ timed_thread_unlock(me);
+ if (timed_thread_test(me, 0)) {
+ timed_thread_exit(me);
+ }
+ continue;
}
- if (song->track) {
- strncpy(current_info->mpd.track, song->track,
- TEXT_BUFFER_SIZE - 1);
- } else {
- *current_info->mpd.track=0;
+
+ mpd_sendCurrentSongCommand(conn);
+ while ((entity = mpd_getNextInfoEntity(conn))) {
+ mpd_Song *song = entity->info.song;
+
+ if (entity->type != MPD_INFO_ENTITY_TYPE_SONG) {
+ mpd_freeInfoEntity(entity);
+ continue;
+ }
+#define SONGSET(x) { \
+ free(mpd_info.x); \
+ if(song->x) \
+ mpd_info.x = strmdup(song->x); \
+ else \
+ mpd_info.x = strmdup(emptystr); \
+}
+ SONGSET(artist);
+ SONGSET(album);
+ SONGSET(title);
+ SONGSET(track);
+ SONGSET(name);
+ SONGSET(file);
+#undef SONGSET
+ if (entity != NULL) {
+ mpd_freeInfoEntity(entity);
+ entity = NULL;
+ }
}
- if (song->name) {
- strncpy(current_info->mpd.name, song->name,
- TEXT_BUFFER_SIZE - 1);
- } else {
- *current_info->mpd.name=0;
+ mpd_finishCommand(conn);
+ if (conn->error) {
+ // fprintf(stderr, "%s\n", conn->errorStr);
+ mpd_closeConnection(conn);
+ conn = 0;
+ timed_thread_unlock(me);
+ if (timed_thread_test(me, 0)) {
+ timed_thread_exit(me);
+ }
+ continue;
}
- if (song->file) {
- strncpy(current_info->mpd.file,
- song->file, TEXT_BUFFER_SIZE - 1);
- } else {
- *current_info->mpd.file=0;
+
+ timed_thread_unlock(me);
+ if (conn->error) {
+ // fprintf(stderr, "%s\n", conn->errorStr);
+ mpd_closeConnection(conn);
+ conn = 0;
+ if (timed_thread_test(me, 0)) {
+ timed_thread_exit(me);
+ }
+ continue;
}
- if (entity != NULL) {
- mpd_freeInfoEntity(entity);
- entity = NULL;
+
+ mpd_freeStatus(status);
+ /* if (conn) {
+ mpd_closeConnection(conn);
+ conn = 0;
+ } */
+ if (timed_thread_test(me, 0)) {
+ timed_thread_exit(me);
}
+ continue;
}
- if (entity != NULL) {
- mpd_freeInfoEntity(entity);
- entity = NULL;
- }
+ /* never reached */
+}
+
+static inline void format_media_player_time(char *buf, const int size,
+ int seconds)
+{
+ int days, hours, minutes;
- if (current_info->conn->error) {
- //fprintf(stderr, "%s\n", current_info->conn->errorStr);
- mpd_closeConnection(current_info->conn);
- current_info->conn = 0;
+ if (times_in_seconds()) {
+ snprintf(buf, size, "%d", seconds);
return;
}
- mpd_finishCommand(current_info->conn);
- if (current_info->conn->error) {
- //fprintf(stderr, "%s\n", current_info->conn->errorStr);
- mpd_closeConnection(current_info->conn);
- current_info->conn = 0;
- return;
+ days = seconds / (24 * 60 * 60);
+ seconds %= (24 * 60 * 60);
+ hours = seconds / (60 * 60);
+ seconds %= (60 * 60);
+ minutes = seconds / 60;
+ seconds %= 60;
+
+ if (days > 0) {
+ snprintf(buf, size, "%i days %i:%02i:%02i", days,
+ hours, minutes, seconds);
+ } else if (hours > 0) {
+ snprintf(buf, size, "%i:%02i:%02i", hours, minutes,
+ seconds);
+ } else {
+ snprintf(buf, size, "%i:%02i", minutes, seconds);
}
- mpd_freeStatus(status);
-// mpd_closeConnection(current_info->conn);
}
+
+void print_mpd_elapsed(struct text_object *obj, char *p, int p_max_size)
+{
+ (void)obj;
+ format_media_player_time(p, p_max_size, mpd_get_info()->elapsed);
+}
+
+void print_mpd_length(struct text_object *obj, char *p, int p_max_size)
+{
+ (void)obj;
+ format_media_player_time(p, p_max_size, mpd_get_info()->length);
+}
+
+void print_mpd_percent(struct text_object *obj, char *p, int p_max_size)
+{
+ (void)obj;
+ percent_print(p, p_max_size, (int)(mpd_get_info()->progress * 100));
+}
+
+void print_mpd_bar(struct text_object *obj, char *p, int p_max_size)
+{
+ new_bar(obj, p, p_max_size, (int) (mpd_get_info()->progress * 255.0f));
+}
+
+void print_mpd_smart(struct text_object *obj, char *p, int p_max_size)
+{
+ struct mpd_s *mpd = mpd_get_info();
+ int len = obj->data.i;
+ if (len == 0 || len > p_max_size)
+ len = p_max_size;
+
+ memset(p, 0, p_max_size);
+ if (mpd->artist && *mpd->artist &&
+ mpd->title && *mpd->title) {
+ snprintf(p, len, "%s - %s", mpd->artist,
+ mpd->title);
+ } else if (mpd->title && *mpd->title) {
+ snprintf(p, len, "%s", mpd->title);
+ } else if (mpd->artist && *mpd->artist) {
+ snprintf(p, len, "%s", mpd->artist);
+ } else if (mpd->file && *mpd->file) {
+ snprintf(p, len, "%s", mpd->file);
+ } else {
+ *p = 0;
+ }
+}
+
+#define MPD_PRINT_GENERATOR(name, fmt) \
+void print_mpd_##name(struct text_object *obj, char *p, int p_max_size) \
+{ \
+ if (obj->data.i && obj->data.i < p_max_size) \
+ p_max_size = obj->data.i; \
+ snprintf(p, p_max_size, fmt, mpd_get_info()->name); \
+}
+
+MPD_PRINT_GENERATOR(title, "%s")
+MPD_PRINT_GENERATOR(artist, "%s")
+MPD_PRINT_GENERATOR(album, "%s")
+MPD_PRINT_GENERATOR(random, "%s")
+MPD_PRINT_GENERATOR(repeat, "%s")
+MPD_PRINT_GENERATOR(track, "%s")
+MPD_PRINT_GENERATOR(name, "%s")
+MPD_PRINT_GENERATOR(file, "%s")
+MPD_PRINT_GENERATOR(vol, "%d")
+MPD_PRINT_GENERATOR(bitrate, "%d")
+MPD_PRINT_GENERATOR(status, "%s")
+
+#undef MPD_PRINT_GENERATOR