ympd/src/mpd_client.c

2968 lines
126 KiB
C

/* myMPD
(c) 2018-2019 Juergen Mang <mail@jcgames.de>
This project's homepage is: https://github.com/jcorporation/mympd
myMPD ist fork of:
ympd
(c) 2013-2014 Andrew Karpow <andy@ndyk.de>
This project's homepage is: http://www.ympd.org
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; version 2 of the License.
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, write to the Free Software Foundation, Inc.,
Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <stdlib.h>
#include <libgen.h>
#include <ctype.h>
#include <libgen.h>
#include <poll.h>
#include <dirent.h>
#include <mpd/client.h>
#include "list.h"
#include "tiny_queue.h"
#include "global.h"
#include "mpd_client.h"
#include "../dist/src/frozen/frozen.h"
//private definitions
#define RETURN_ERROR_AND_RECOVER(X) do { \
printf("MPD %s: %s\n", X, mpd_connection_get_error_message(mpd_state->conn)); \
len = json_printf(&out, "{type: error, data: %Q}", mpd_connection_get_error_message(mpd_state->conn)); \
if (!mpd_connection_clear_error(mpd_state->conn)) \
mpd_state->conn_state = MPD_FAILURE; \
return len; \
} while (0)
#define LOG_ERROR_AND_RECOVER(X) do { \
printf("MPD %s: %s\n", X, mpd_connection_get_error_message(mpd_state->conn)); \
if (!mpd_connection_clear_error(mpd_state->conn)) \
mpd_state->conn_state = MPD_FAILURE; \
} while (0)
#define PUT_SONG_TAGS() do { \
if (mpd_state->feat_tags == true) { \
for (unsigned tagnr = 0; tagnr < mpd_state->tag_types_len; ++tagnr) { \
if (tagnr > 0) \
len += json_printf(&out, ","); \
char *value = mpd_client_get_tag(song, mpd_state->tag_types[tagnr]); \
len += json_printf(&out, "%Q: %Q", mpd_tag_name(mpd_state->tag_types[tagnr]), value == NULL ? "-" : value); \
} \
} \
else { \
char *value = mpd_client_get_tag(song, MPD_TAG_TITLE); \
len += json_printf(&out, "Title: %Q", value == NULL ? "-" : value); \
} \
len += json_printf(&out, ", Duration: %d, uri: %Q", mpd_song_get_duration(song), mpd_song_get_uri(song)); \
} while (0)
enum mpd_conn_states {
MPD_DISCONNECTED,
MPD_FAILURE,
MPD_CONNECTED,
MPD_RECONNECT,
MPD_DISCONNECT
};
typedef struct t_mpd_state {
// Connection
struct mpd_connection *conn;
enum mpd_conn_states conn_state;
int timeout;
// States
int song_id;
int next_song_id;
int last_song_id;
unsigned queue_version;
unsigned queue_length;
int last_update_sticker_song_id;
int last_last_played_id;
// Features
const unsigned* protocol;
bool feat_sticker;
bool feat_playlists;
bool feat_tags;
bool feat_library;
bool feat_advsearch;
bool feat_smartpls;
//mympd states
enum jukebox_modes jukeboxMode;
char *jukeboxPlaylist;
int jukeboxQueueLength;
bool autoPlay;
//taglists
struct list mpd_tags;
struct list mympd_tags;
struct list mympd_searchtags;
struct list mympd_browsetags;
//mpd tagtypes
enum mpd_tag_type tag_types[64];
unsigned tag_types_len;
//last played list
struct list last_played;
} t_mpd_state;
typedef struct t_sticker {
long playCount;
long skipCount;
long lastPlayed;
long like;
} t_sticker;
static void mpd_client_idle(t_config *config, t_mpd_state *mpd_state);
static void mpd_client_parse_idle(t_config *config, t_mpd_state *mpd_state, const int idle_bitmask);
static void mpd_client_api(t_config *config, t_mpd_state *mpd_state, void *arg_request);
static void mpd_client_notify(const char *message, const size_t n);
static bool mpd_client_count_song_id(t_mpd_state *mpd_state, const int song_id, const char *name, const int value);
static bool mpd_client_count_song_uri(t_mpd_state *mpd_state, const char *uri, const char *name, const int value);
static bool mpd_client_like_song_uri(t_mpd_state *mpd_state, const char *uri, int value);
static bool mpd_client_last_played_song_id(t_mpd_state *mpd_state, const int song_id);
static bool mpd_client_last_played_song_uri(t_mpd_state *mpd_state, const char *uri);
static bool mpd_client_get_sticker(t_mpd_state *mpd_state, const char *uri, t_sticker *sticker);
static bool mpd_client_last_played_list(t_config *config, t_mpd_state *mpd_state, const int song_id);
static bool mpd_client_jukebox(t_config *config, t_mpd_state *mpd_state);
static bool mpd_client_smartpls_save(t_config *config, t_mpd_state *mpd_state, const char *smartpltype, const char *playlist, const char *tag, const char *searchstr, const int maxentries, const int timerange);
static int mpd_client_smartpls_put(t_config *config, char *buffer, const char *playlist);
static bool mpd_client_smartpls_update_all(t_config *config, t_mpd_state *mpd_state);
static bool mpd_client_smartpls_clear(t_mpd_state *mpd_state, const char *playlist);
static bool mpd_client_smartpls_update_sticker(t_mpd_state *mpd_state, const char *playlist, const char *sticker, const int maxentries);
static bool mpd_client_smartpls_update_newest(t_config *config, t_mpd_state *mpd_state, const char *playlist, const int timerange);
static bool mpd_client_smartpls_update_search(t_config *config, t_mpd_state *mpd_state, const char *playlist, const char *tag, const char *searchstr);
static int mpd_client_get_updatedb_state(t_mpd_state *mpd_state, char *buffer);
static int mpd_client_put_state(t_mpd_state *mpd_state, char *buffer);
static int mpd_client_put_outputs(t_mpd_state *mpd_state, char *buffer);
static int mpd_client_put_current_song(t_config *config, t_mpd_state *mpd_state, char *buffer);
static int mpd_client_put_queue(t_config *config, t_mpd_state *mpd_state, char *buffer, const unsigned int offset);
static int mpd_client_put_browse(t_config *config, t_mpd_state *mpd_state, char *buffer, const char *path, const unsigned int offset, const char *filter);
static int mpd_client_search(t_config *config, t_mpd_state *mpd_state, char *buffer, const char *searchstr, const char *filter, const char *plist, const unsigned int offset);
static int mpd_client_search_adv(t_config *config, t_mpd_state *mpd_state, char *buffer, const char *expression, const char *sort, const bool sortdesc, const char *grouptag, const char *plist, const unsigned int offset);
static int mpd_client_search_queue(t_config *config, t_mpd_state *mpd_state, char *buffer, const char *mpdtagtype, const unsigned int offset, const char *searchstr);
static int mpd_client_put_volume(t_mpd_state *mpd_state, char *buffer);
static int mpd_client_put_stats(t_mpd_state *mpd_state, char *buffer);
static int mpd_client_put_settings(t_mpd_state *mpd_state, char *buffer);
static int mpd_client_put_db_tag(t_config *config, t_mpd_state *mpd_state, char *buffer, const unsigned int offset, const char *mpdtagtype, const char *mpdsearchtagtype, const char *searchstr, const char *filter);
static int mpd_client_put_songs_in_album(t_config *config, t_mpd_state *mpd_state, char *buffer, const char *album, const char *search, const char *tag);
static int mpd_client_put_playlists(t_config *config, t_mpd_state *mpd_state, char *buffer, const unsigned int offset, const char *filter);
static int mpd_client_put_playlist_list(t_config *config, t_mpd_state *mpd_state, char *buffer, const char *uri, const unsigned int offset, const char *filter);
static int mpd_client_put_songdetails(t_config *config, t_mpd_state *mpd_state, char *buffer, const char *uri);
static int mpd_client_put_last_played_songs(t_config *config, t_mpd_state *mpd_state, char *buffer, const unsigned int offset);
static int mpd_client_queue_crop(t_mpd_state *mpd_state, char *buffer);
static void mpd_client_disconnect(t_config *config, t_mpd_state *mpd_state);
static int mpd_client_read_last_played(t_config *config, t_mpd_state *mpd_state);
//public functions
void *mpd_client_loop(void *arg_config) {
t_config *config = (t_config *) arg_config;
//State of mpd connection
t_mpd_state mpd_state;
mpd_state.conn_state = MPD_DISCONNECTED;
mpd_state.timeout = 3000;
mpd_state.song_id = -1;
mpd_state.next_song_id = -1;
mpd_state.last_song_id = -1;
mpd_state.queue_version = 0;
mpd_state.queue_length = 0;
mpd_state.last_update_sticker_song_id = -1;
mpd_state.last_last_played_id = -1;
mpd_state.feat_sticker = false;
mpd_state.feat_playlists = false;
mpd_state.feat_tags = false;
mpd_state.feat_library = false;
mpd_state.feat_advsearch = false;
mpd_state.feat_smartpls = false;
mpd_state.jukeboxMode = JUKEBOX_OFF;
mpd_state.jukeboxPlaylist = strdup("Database");
mpd_state.jukeboxQueueLength = 1;
mpd_state.autoPlay = false;
list_init(&mpd_state.mpd_tags);
list_init(&mpd_state.mympd_tags);
list_init(&mpd_state.mympd_searchtags);
list_init(&mpd_state.mympd_browsetags);
mpd_state.tag_types_len = 0;
memset(mpd_state.tag_types, 0, sizeof(mpd_state.tag_types));
char testdirname[400];
snprintf(testdirname, 400, "%s/library", DOC_ROOT);
if (testdir("Link to mpd music_directory", testdirname)) {
LOG_INFO() printf("Enabling featLibrary support\n");
mpd_state.feat_library = true;
}
//read last played songs history file
list_init(&mpd_state.last_played);
int len = mpd_client_read_last_played(config, &mpd_state);
LOG_INFO() printf("Reading last played songs: %d\n", len);
while (s_signal_received == 0) {
mpd_client_idle(config, &mpd_state);
}
//Cleanup
mpd_client_disconnect(config, &mpd_state);
list_free(&mpd_state.mpd_tags);
list_free(&mpd_state.mympd_tags);
list_free(&mpd_state.mympd_searchtags);
list_free(&mpd_state.mympd_browsetags);
list_free(&mpd_state.last_played);
free(mpd_state.jukeboxPlaylist);
return NULL;
}
//private functions
static void mpd_client_api(t_config *config, t_mpd_state *mpd_state, void *arg_request) {
t_work_request *request = (t_work_request*) arg_request;
unsigned int uint_buf1, uint_buf2, uint_rc;
int je, int_buf1, int_rc;
float float_buf;
bool bool_buf, rc;
char *p_charbuf1, *p_charbuf2, *p_charbuf3, *p_charbuf4;
LOG_VERBOSE() printf("MPD_CLIENT API request (%ld): %.*s\n", request->conn_id, request->length, request->data);
//create response struct
t_work_result *response = (t_work_result*)malloc(sizeof(t_work_result));
response->conn_id = request->conn_id;
response->length = 0;
switch(request->cmd_id) {
case MPD_API_LIKE:
if (mpd_state->feat_sticker) {
je = json_scanf(request->data, request->length, "{data: {uri: %Q, like: %d}}", &p_charbuf1, &uint_buf1);
if (je == 2) {
if (!mpd_client_like_song_uri(mpd_state, p_charbuf1, uint_buf1))
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"error\", \"data\": \"Can't set like.\"}");
else
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"result\", \"data\": \"ok\"}");
free(p_charbuf1);
}
}
else {
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"error\", \"data\": \"MPD stickers are disabled\"}");
printf("MPD_API_LIKE: MPD stickers are disabled\n");
}
break;
case MPD_API_PLAYER_STATE:
response->length = mpd_client_put_state(mpd_state, response->data);
break;
case MYMPD_API_SETTINGS_SET:
//only update mpd_state, already saved in mympd_api.c
je = json_scanf(request->data, request->length, "{data: {jukeboxMode: %d}}", &mpd_state->jukeboxMode);
je = json_scanf(request->data, request->length, "{data: {jukeboxPlaylist: %Q}}", &p_charbuf1);
if (je == 1) {
free(mpd_state->jukeboxPlaylist);
mpd_state->jukeboxPlaylist = p_charbuf1;
p_charbuf1 = NULL;
}
je = json_scanf(request->data, request->length, "{data: {jukeboxQueueLength: %d}}", &mpd_state->jukeboxQueueLength);
je = json_scanf(request->data, request->length, "{data: {autoPlay: %B}}", &mpd_state->autoPlay);
//set mpd options
je = json_scanf(request->data, request->length, "{data: {random: %u}}", &uint_buf1);
if (je == 1) {
if (!mpd_run_random(mpd_state->conn, uint_buf1))
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"error\", \"data\": \"Can't set mpd state random.\"}");
}
je = json_scanf(request->data, request->length, "{data: {repeat: %u}}", &uint_buf1);
if (je == 1) {
if (!mpd_run_repeat(mpd_state->conn, uint_buf1))
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"error\", \"data\": \"Can't set mpd state repeat.\"}");
}
je = json_scanf(request->data, request->length, "{data: {consume: %u}}", &uint_buf1);
if (je == 1) {
if (!mpd_run_consume(mpd_state->conn, uint_buf1))
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"error\", \"data\": \"Can't set mpd state consume.\"}");
}
je = json_scanf(request->data, request->length, "{data: {single: %u}}", &uint_buf1);
if (je == 1) {
if (!mpd_run_single(mpd_state->conn, uint_buf1))
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"error\", \"data\": \"Can't set mpd state single.\"}");
}
je = json_scanf(request->data, request->length, "{data: {crossfade: %u}}", &uint_buf1);
if (je == 1) {
if (!mpd_run_crossfade(mpd_state->conn, uint_buf1))
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"error\", \"data\": \"Can't set mpd state crossfade.\"}");
}
if (config->mixramp) {
je = json_scanf(request->data, request->length, "{data: {mixrampdb: %f}}", &float_buf);
if (je == 1) {
if (!mpd_run_mixrampdb(mpd_state->conn, float_buf))
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"error\", \"data\": \"Can't set mpd state mixrampdb.\"}");
}
je = json_scanf(request->data, request->length, "{data: {mixrampdelay: %f}}", &float_buf);
if (je == 1) {
if (!mpd_run_mixrampdelay(mpd_state->conn, float_buf))
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"error\", \"data\": \"Can't set mpd state mixrampdelay.\"}");
}
}
je = json_scanf(request->data, request->length, "{data: {replaygain: %Q}}", &p_charbuf1);
if (je == 1) {
if (!mpd_send_command(mpd_state->conn, "replay_gain_mode", p_charbuf1, NULL))
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"error\", \"data\": \"Can't set mpd state replaygain.\"}");
mpd_response_finish(mpd_state->conn);
free(p_charbuf1);
}
if (mpd_state->jukeboxMode != JUKEBOX_OFF) {
mpd_client_jukebox(config, mpd_state);
}
if (response->length == 0)
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"result\", \"data\": \"ok\"}");
break;
case MPD_API_DATABASE_UPDATE:
uint_rc = mpd_run_update(mpd_state->conn, NULL);
if (uint_rc > 0)
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"result\", \"data\": \"ok\"}");
break;
case MPD_API_DATABASE_RESCAN:
uint_rc = mpd_run_rescan(mpd_state->conn, NULL);
if (uint_rc > 0)
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"result\", \"data\": \"ok\"}");
break;
case MPD_API_SMARTPLS_UPDATE_ALL:
rc = mpd_client_smartpls_update_all(config, mpd_state);
if (rc == true)
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"result\", \"data\": \"Smart Playlists updated\"}");
else
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"error\", \"data\": \"Smart Playlists update failed\"}");
break;
case MPD_API_SMARTPLS_SAVE:
je = json_scanf(request->data, request->length, "{data: {type: %Q}}", &p_charbuf1);
response->length = 0;
rc = false;
if (je == 1) {
if (strcmp(p_charbuf1, "sticker") == 0) {
je = json_scanf(request->data, request->length, "{data: {playlist: %Q, sticker: %Q, maxentries: %d}}", &p_charbuf2, &p_charbuf3, &int_buf1);
if (je == 3) {
rc = mpd_client_smartpls_save(config, mpd_state, p_charbuf1, p_charbuf2, p_charbuf3, NULL, int_buf1, 0);
free(p_charbuf2);
free(p_charbuf3);
}
}
else if (strcmp(p_charbuf1, "newest") == 0) {
je = json_scanf(request->data, request->length, "{data: {playlist: %Q, timerange: %d}}", &p_charbuf2, &int_buf1);
if (je == 2) {
rc = mpd_client_smartpls_save(config, mpd_state, p_charbuf1, p_charbuf2, NULL, NULL, 0, int_buf1);
free(p_charbuf2);
}
}
else if (strcmp(p_charbuf1, "search") == 0) {
je = json_scanf(request->data, request->length, "{data: {playlist: %Q, tag: %Q, searchstr: %Q}}", &p_charbuf2, &p_charbuf3, &p_charbuf4);
if (je == 3) {
rc = mpd_client_smartpls_save(config, mpd_state, p_charbuf1, p_charbuf2, p_charbuf3, p_charbuf4, 0, 0);
free(p_charbuf2);
free(p_charbuf3);
free(p_charbuf4);
}
}
free(p_charbuf1);
}
if (rc == true) {
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"result\", \"data\": \"ok\"}");
}
else {
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"error\", \"data\": \"Saving playlist failed\"}");
}
break;
case MPD_API_SMARTPLS_GET:
je = json_scanf(request->data, request->length, "{data: {playlist: %Q}}", &p_charbuf1);
if (je == 1) {
response->length = mpd_client_smartpls_put(config, response->data, p_charbuf1);
free(p_charbuf1);
}
break;
case MPD_API_PLAYER_PAUSE:
if (mpd_run_toggle_pause(mpd_state->conn))
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"result\", \"data\": \"ok\"}");
else {
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"error\", \"data\": \"Toggling player pause failed.\"}");
printf("MPD_API_PLAYER_PAUSE: Error mpd_run_toggle_pause()\n");
}
break;
case MPD_API_PLAYER_PREV:
if (mpd_run_previous(mpd_state->conn))
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"result\", \"data\": \"ok\"}");
else {
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"error\", \"data\": \"Goto previous song failed.\"}");
printf("MPD_API_PLAYER_PREV: Error mpd_run_previous()\n");
}
break;
case MPD_API_PLAYER_NEXT:
if (mpd_state->feat_sticker)
mpd_client_count_song_id(mpd_state, mpd_state->song_id, "skipCount", 1);
if (mpd_run_next(mpd_state->conn))
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"result\", \"data\": \"ok\"}");
else {
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"error\", \"data\": \"Skip to next song failed.\"}");
printf("MPD_API_PLAYER_NEXT: Error mpd_run_next()\n");
}
break;
case MPD_API_PLAYER_PLAY:
if (mpd_run_play(mpd_state->conn))
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"result\", \"data\": \"ok\"}");
else {
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"error\", \"data\": \"Begin to play failed.\"}");
printf("MPD_API_PLAYER_PLAY: Error mpd_run_play()\n");
}
break;
case MPD_API_PLAYER_STOP:
if (mpd_run_stop(mpd_state->conn))
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"result\", \"data\": \"ok\"}");
else {
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"error\", \"data\": \"Stopping player failed.\"}");
printf("MPD_API_PLAYER_STOP: Error mpd_run_stop()\n");
}
break;
case MPD_API_QUEUE_CLEAR:
if (mpd_run_clear(mpd_state->conn))
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"result\", \"data\": \"ok\"}");
else {
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"error\", \"data\": \"Clearing playlist failed.\"}");
printf("MPD_API_QUEUE_CLEAR: Error mpd_run_clear()\n");
}
break;
case MPD_API_QUEUE_CROP:
response->length = mpd_client_queue_crop(mpd_state, response->data);
break;
case MPD_API_QUEUE_RM_TRACK:
je = json_scanf(request->data, request->length, "{data: {track:%u}}", &uint_buf1);
if (je == 1) {
if (mpd_run_delete_id(mpd_state->conn, uint_buf1))
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"result\", \"data\": \"ok\"}");
else {
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"error\", \"data\": \"Removing track from queue failed.\"}");
printf("MPD_API_QUEUE_RM_TRACK: Error mpd_run_delete_id()\n");
}
}
break;
case MPD_API_QUEUE_RM_RANGE:
je = json_scanf(request->data, request->length, "{data: {start: %u, end: %u}}", &uint_buf1, &uint_buf2);
if (je == 2) {
if (mpd_run_delete_range(mpd_state->conn, uint_buf1, uint_buf2))
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"result\", \"data\": \"ok\"}");
else {
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"error\", \"data\": \"Removing track range from queue failed.\"}");
printf("MPD_API_QUEUE_RM_RANGE: Error mpd_run_delete_range()\n");
}
}
break;
case MPD_API_QUEUE_MOVE_TRACK:
je = json_scanf(request->data, request->length, "{data: {from: %u, to: %u}}", &uint_buf1, &uint_buf2);
if (je == 2) {
uint_buf1--;
uint_buf2--;
if (uint_buf1 < uint_buf2)
uint_buf2--;
if (mpd_run_move(mpd_state->conn, uint_buf1, uint_buf2))
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"result\", \"data\": \"ok\"}");
else {
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"error\", \"data\": \"Moving track in queue failed.\"}");
printf("MPD_API_QUEUE_MOVE_TRACK: Error mpd_run_move()\n");
}
}
break;
case MPD_API_PLAYLIST_MOVE_TRACK:
je = json_scanf(request->data, request->length, "{data: {plist: %Q, from: %u, to: %u }}", &p_charbuf1, &uint_buf1, &uint_buf2);
if (je == 3) {
uint_buf1--;
uint_buf2--;
if (uint_buf1 < uint_buf2)
uint_buf2--;
if (mpd_send_playlist_move(mpd_state->conn, p_charbuf1, uint_buf1, uint_buf2)) {
mpd_response_finish(mpd_state->conn);
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"result\", \"data\": \"ok\"}");
}
else {
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"error\", \"data\": \"Moving track in playlist failed.\"}");
printf("MPD_API_PLAYLIST_MOVE_TRACK: Error mpd_send_playlist_move()\n");
}
free(p_charbuf1);
}
break;
case MPD_API_PLAYER_PLAY_TRACK:
je = json_scanf(request->data, request->length, "{data: { track:%u}}", &uint_buf1);
if (je == 1) {
if (mpd_run_play_id(mpd_state->conn, uint_buf1))
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"result\", \"data\": \"ok\"}");
else {
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"error\", \"data\": \"Set playing track failed.\"}");
printf("MPD_API_PLAYER_PLAY_TRACK: Error mpd_run_play_id()\n");
}
}
break;
case MPD_API_PLAYER_OUTPUT_LIST:
response->length = mpd_client_put_outputs(mpd_state, response->data);
break;
case MPD_API_PLAYER_TOGGLE_OUTPUT:
je = json_scanf(request->data, request->length, "{data: {output: %u, state: %u}}", &uint_buf1, &uint_buf2);
if (je == 2) {
if (uint_buf2) {
if (mpd_run_enable_output(mpd_state->conn, uint_buf1))
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"result\", \"data\": \"ok\"}");
else {
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"error\", \"data\": \"Enabling output failed.\"}");
printf("MPD_API_PLAYER_TOGGLE_OUTPUT: Error mpd_run_enable_output()\n");
}
}
else {
if (mpd_run_disable_output(mpd_state->conn, uint_buf1))
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"result\", \"data\": \"ok\"}");
else {
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"error\", \"data\": \"Disabling output failed.\"}");
printf("MPD_API_PLAYER_TOGGLE_OUTPUT: Error mpd_run_disable_output()\n");
}
}
}
break;
case MPD_API_PLAYER_VOLUME_SET:
je = json_scanf(request->data, request->length, "{data: {volume:%u}}", &uint_buf1);
if (je == 1) {
if (mpd_run_set_volume(mpd_state->conn, uint_buf1))
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"result\", \"data\": \"ok\"}");
else {
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"error\", \"data\": \"Setting volume failed.\"}");
printf("MPD_API_PLAYER_PLAY_TRACK: Error mpd_run_set_volume()\n");
}
}
break;
case MPD_API_PLAYER_VOLUME_GET:
response->length = mpd_client_put_volume(mpd_state, response->data);
break;
case MPD_API_PLAYER_SEEK:
je = json_scanf(request->data, request->length, "{data: {songid: %u, seek: %u}}", &uint_buf1, &uint_buf2);
if (je == 2) {
if (mpd_run_seek_id(mpd_state->conn, uint_buf1, uint_buf2))
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"result\", \"data\": \"ok\"}");
else {
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"error\", \"data\": \"Seeking song failed.\"}");
printf("MPD_API_PLAYER_SEEK: Error mpd_run_seek_id()\n");
}
}
break;
case MPD_API_QUEUE_LIST:
je = json_scanf(request->data, request->length, "{data: {offset: %u}}", &uint_buf1);
if (je == 1) {
response->length = mpd_client_put_queue(config, mpd_state, response->data, uint_buf1);
}
break;
case MPD_API_QUEUE_LAST_PLAYED:
je = json_scanf(request->data, request->length, "{data: {offset: %u}}", &uint_buf1);
if (je == 1) {
response->length = mpd_client_put_last_played_songs(config, mpd_state, response->data, uint_buf1);
}
break;
case MPD_API_PLAYER_CURRENT_SONG:
response->length = mpd_client_put_current_song(config, mpd_state, response->data);
break;
case MPD_API_DATABASE_SONGDETAILS:
je = json_scanf(request->data, request->length, "{data: { uri: %Q}}", &p_charbuf1);
if (je == 1) {
response->length = mpd_client_put_songdetails(config, mpd_state, response->data, p_charbuf1);
free(p_charbuf1);
}
break;
case MPD_API_DATABASE_TAG_LIST:
je = json_scanf(request->data, request->length, "{data: {offset: %u, filter: %Q, tag: %Q}}", &uint_buf1, &p_charbuf1, &p_charbuf2);
if (je == 3) {
response->length = mpd_client_put_db_tag(config, mpd_state, response->data, uint_buf1, p_charbuf2, "", "", p_charbuf1);
free(p_charbuf1);
free(p_charbuf2);
}
break;
case MPD_API_DATABASE_TAG_ALBUM_LIST:
je = json_scanf(request->data, request->length, "{data: {offset: %u, filter: %Q, search: %Q, tag: %Q}}", &uint_buf1, &p_charbuf1, &p_charbuf2, &p_charbuf3);
if (je == 4) {
response->length = mpd_client_put_db_tag(config, mpd_state, response->data, uint_buf1, "Album", p_charbuf3, p_charbuf2, p_charbuf1);
free(p_charbuf1);
free(p_charbuf2);
free(p_charbuf3);
}
break;
case MPD_API_DATABASE_TAG_ALBUM_TITLE_LIST:
je = json_scanf(request->data, request->length, "{data: {album: %Q, search: %Q, tag: %Q}}", &p_charbuf1, &p_charbuf2, &p_charbuf3);
if (je == 3) {
response->length = mpd_client_put_songs_in_album(config, mpd_state, response->data, p_charbuf1, p_charbuf2, p_charbuf3);
free(p_charbuf1);
free(p_charbuf2);
free(p_charbuf3);
}
break;
case MPD_API_PLAYLIST_RENAME:
je = json_scanf(request->data, request->length, "{data: {from: %Q, to: %Q}}", &p_charbuf1, &p_charbuf2);
if (je == 2) {
//rename smart playlist
char old_pl_file[400];
char new_pl_file[400];
if (validate_string(p_charbuf1) == false || validate_string(p_charbuf2) == false) {
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"error\", \"data\": \"Invalid filename.\"}");
break;
}
snprintf(old_pl_file, 400, "%s/smartpls/%s", config->varlibdir, p_charbuf1);
snprintf(new_pl_file, 400, "%s/smartpls/%s", config->varlibdir, p_charbuf2);
if (access(old_pl_file, F_OK ) != -1) {
if (access(new_pl_file, F_OK ) == -1) {
if (rename(old_pl_file, new_pl_file) == -1) {
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"error\", \"data\": \"Renaming playlist failed.\"}");
printf("MPD_API_PLAYLIST_RENAME: Rename failed()\n");
}
//rename mpd playlist
else if (mpd_run_rename(mpd_state->conn, p_charbuf1, p_charbuf2))
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"result\", \"data\": \"Renamed playlist %s to %s\"}", p_charbuf1, p_charbuf2);
else {
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"error\", \"data\": \"Renaming playlist failed.\"}");
printf("MPD_API_PLAYLIST_RENAME: Error mpd_run_rename()\n");
}
} else
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"error\", \"data\": \"Destination playlist %s already exists\"}", p_charbuf2);
}
else {
if (mpd_run_rename(mpd_state->conn, p_charbuf1, p_charbuf2))
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"result\", \"data\": \"Renamed playlist %s to %s\"}", p_charbuf1, p_charbuf2);
else {
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"error\", \"data\": \"Renaming playlist failed.\"}");
printf("MPD_API_PLAYLIST_RENAME: Error mpd_run_rename()\n");
}
}
free(p_charbuf1);
free(p_charbuf2);
}
break;
case MPD_API_PLAYLIST_LIST:
je = json_scanf(request->data, request->length, "{data: {offset: %u, filter: %Q}}", &uint_buf1, &p_charbuf1);
if (je == 2) {
response->length = mpd_client_put_playlists(config, mpd_state, response->data, uint_buf1, p_charbuf1);
free(p_charbuf1);
}
break;
case MPD_API_PLAYLIST_CONTENT_LIST:
je = json_scanf(request->data, request->length, "{data: {uri: %Q, offset:%u, filter:%Q}}", &p_charbuf1, &uint_buf1, &p_charbuf2);
if (je == 3) {
response->length = mpd_client_put_playlist_list(config, mpd_state, response->data, p_charbuf1, uint_buf1, p_charbuf2);
free(p_charbuf1);
free(p_charbuf2);
}
break;
case MPD_API_PLAYLIST_ADD_TRACK:
je = json_scanf(request->data, request->length, "{data: {plist:%Q, uri:%Q}}", &p_charbuf1, &p_charbuf2);
if (je == 2) {
if (mpd_run_playlist_add(mpd_state->conn, p_charbuf1, p_charbuf2))
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"result\", \"data\": \"Added %s to playlist %s\"}", p_charbuf2, p_charbuf1);
else {
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"error\", \"data\": \"Adding song to playlist failed.\"}");
printf("MPD_API_PLAYLIST_ADD_TRACK: Error mpd_run_playlist_add()\n");
}
free(p_charbuf1);
free(p_charbuf2);
}
break;
case MPD_API_PLAYLIST_CLEAR:
je = json_scanf(request->data, request->length, "{data: {uri:%Q}}", &p_charbuf1);
if (je == 1) {
if (mpd_run_playlist_clear(mpd_state->conn, p_charbuf1))
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"result\", \"data\": \"ok\"}");
else {
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"error\", \"data\": \"Clearing playlist failed.\"}");
printf("MPD_API_PLAYLIST_CLEAR: Error mpd_run_playlist_clear()\n");
}
free(p_charbuf1);
}
break;
case MPD_API_PLAYLIST_RM_TRACK:
je = json_scanf(request->data, request->length, "{data: {uri:%Q, track:%u}}", &p_charbuf1, &uint_buf1);
if (je == 2) {
if (mpd_run_playlist_delete(mpd_state->conn, p_charbuf1, uint_buf1))
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"result\", \"data\": \"ok\"}");
else {
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"error\", \"data\": \"Removing track from playlist failed.\"}");
printf("MPD_API_PLAYLIST_RM_TRACK: Error mpd_run_playlist_delete()\n");
}
free(p_charbuf1);
}
break;
case MPD_API_DATABASE_FILESYSTEM_LIST:
je = json_scanf(request->data, request->length, "{data: {offset:%u, filter:%Q, path:%Q}}", &uint_buf1, &p_charbuf1, &p_charbuf2);
if (je == 3) {
response->length = mpd_client_put_browse(config, mpd_state, response->data, p_charbuf2, uint_buf1, p_charbuf1);
free(p_charbuf1);
free(p_charbuf2);
}
break;
case MPD_API_QUEUE_ADD_TRACK_AFTER:
je = json_scanf(request->data, request->length, "{data: {uri:%Q, to:%d}}", &p_charbuf1, &int_buf1);
if (je == 2) {
int_rc = mpd_run_add_id_to(mpd_state->conn, p_charbuf1, int_buf1);
if (int_rc > -1 )
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"result\", \"data\": \"ok\"}");
else {
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"error\", \"data\": \"Adding track to queue failed.\"}");
printf("MPD_API_QUEUE_ADD_TRACK_AFTER: Error mpd_run_add_id_to()\n");
}
free(p_charbuf1);
}
break;
case MPD_API_QUEUE_REPLACE_TRACK:
je = json_scanf(request->data, request->length, "{data: {uri:%Q }}", &p_charbuf1);
if (je == 1) {
if (!mpd_run_clear(mpd_state->conn)) {
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"error\", \"data\": \"Clearing queue failed.\"}");
printf("MPD_API_QUEUE_REPLACE_TRACK: Error mpd_run_add_id_to()\n");
}
else if (!mpd_run_add(mpd_state->conn, p_charbuf1)) {
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"error\", \"data\": \"Adding track to queue failed.\"}");
printf("MPD_API_QUEUE_REPLACE_TRACK: Error mpd_run_add_id_to()\n");
}
else if (!mpd_run_play(mpd_state->conn)) {
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"error\", \"data\": \"Playing failed.\"}");
printf("MPD_API_QUEUE_REPLACE_TRACK: Error mpd_run_play()\n");
}
else
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"result\", \"data\": \"ok\"}");
free(p_charbuf1);
}
break;
case MPD_API_QUEUE_ADD_TRACK:
je = json_scanf(request->data, request->length, "{data: {uri:%Q}}", &p_charbuf1);
if (je == 1) {
if (mpd_run_add(mpd_state->conn, p_charbuf1))
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"result\", \"data\": \"ok\"}");
else {
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"error\", \"data\": \"Append track to queue failed.\"}");
printf("MPD_API_QUEUE_ADD_TRACK: Error mpd_run_add()\n");
}
free(p_charbuf1);
}
break;
case MPD_API_QUEUE_ADD_PLAY_TRACK:
je = json_scanf(request->data, request->length, "{data: {uri:%Q}}", &p_charbuf1);
if (je == 1) {
int_buf1 = mpd_run_add_id(mpd_state->conn, p_charbuf1);
if (int_buf1 != -1) {
if (mpd_run_play_id(mpd_state->conn, int_buf1))
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"result\", \"data\": \"ok\"}");
else {
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"error\", \"data\": \"Setting playstate failed.\"}");
printf("MPD_API_QUEUE_ADD_PLAY_TRACK: Error mpd_run_play_id()\n");
}
}
else {
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"error\", \"data\": \"Adding track to queue failed.\"}");
printf("MPD_API_QUEUE_ADD_PLAY_TRACK: Error mpd_run_add_id()\n");
}
free(p_charbuf1);
}
break;
case MPD_API_QUEUE_REPLACE_PLAYLIST:
je = json_scanf(request->data, request->length, "{data: {plist:%Q}}", &p_charbuf1);
if (je == 1) {
if (!mpd_run_clear(mpd_state->conn)) {
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"error\", \"data\": \"Clearing queue failed.\"}");
printf("MPD_API_QUEUE_REPLACE_PLAYLIST: Error mpd_run_clear()\n");
}
else if (!mpd_run_load(mpd_state->conn, p_charbuf1)) {
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"error\", \"data\": \"Adding playlist to queue failed.\"}");
printf("MPD_API_QUEUE_REPLACE_PLAYLIST: Error mpd_run_load()\n");
}
else if (!mpd_run_play(mpd_state->conn)) {
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"error\", \"data\": \"Setting playstate failed.\"}");
printf("MPD_API_QUEUE_REPLACE_PLAYLIST: Error mpd_run_play()\n");
}
else
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"result\", \"data\": \"ok\"}");
free(p_charbuf1);
}
break;
case MPD_API_QUEUE_ADD_PLAYLIST:
je = json_scanf(request->data, request->length, "{data: {plist:%Q}}", &p_charbuf1);
if (je == 1) {
if (mpd_run_load(mpd_state->conn, p_charbuf1))
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"result\", \"data\": \"ok\"}");
else {
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"error\", \"data\": \"Adding playlist to queue failed.\"}");
printf("MPD_API_QUEUE_ADD_PLAYLIST: Error mpd_run_add_id()\n");
}
free(p_charbuf1);
}
break;
case MPD_API_QUEUE_SAVE:
je = json_scanf(request->data, request->length, "{ data: {plist:%Q}}", &p_charbuf1);
if (je == 1) {
if (mpd_run_save(mpd_state->conn, p_charbuf1))
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"result\", \"data\": \"ok\"}");
else {
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"error\", \"data\": \"Saving queue as playlist failed.\"}");
printf("MPD_API_QUEUE_SAVE: Error mpd_run_save()\n");
}
free(p_charbuf1);
}
break;
case MPD_API_QUEUE_SEARCH:
je = json_scanf(request->data, request->length, "{data: {offset:%u, filter:%Q, searchstr:%Q}}", &uint_buf1, &p_charbuf1, &p_charbuf2);
if (je == 3) {
response->length = mpd_client_search_queue(config, mpd_state, response->data, p_charbuf1, uint_buf1, p_charbuf2);
free(p_charbuf1);
free(p_charbuf2);
}
break;
case MPD_API_DATABASE_SEARCH:
je = json_scanf(request->data, request->length, "{data: {searchstr:%Q, filter:%Q, plist:%Q, offset:%u}}", &p_charbuf1, &p_charbuf2, &p_charbuf3, &uint_buf1);
if (je == 4) {
response->length = mpd_client_search(config, mpd_state, response->data, p_charbuf1, p_charbuf2, p_charbuf3, uint_buf1);
free(p_charbuf1);
free(p_charbuf2);
free(p_charbuf3);
}
break;
case MPD_API_DATABASE_SEARCH_ADV:
je = json_scanf(request->data, request->length, "{data: {expression:%Q, sort:%Q, sortdesc:%B, plist:%Q, offset:%u}}",
&p_charbuf1, &p_charbuf2, &bool_buf, &p_charbuf3, &uint_buf1);
if (je == 5) {
response->length = mpd_client_search_adv(config, mpd_state, response->data, p_charbuf1, p_charbuf2, bool_buf, NULL, p_charbuf3, uint_buf1);
free(p_charbuf1);
free(p_charbuf2);
free(p_charbuf3);
}
break;
case MPD_API_QUEUE_SHUFFLE:
if (mpd_run_shuffle(mpd_state->conn))
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"result\", \"data\": \"ok\"}");
else {
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"error\", \"data\": \"Shuffling queue failed.\"}");
printf("MPD_API_QUEUE_SHUFFLE: Error mpd_run_shuffle()\n");
}
break;
case MPD_API_PLAYLIST_RM:
je = json_scanf(request->data, request->length, "{data: {uri:%Q}}", &p_charbuf1);
if (je == 1) {
//remove smart playlist
char pl_file[400];
if (validate_string(p_charbuf1) == false) {
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"error\", \"data\": \"Invalid filename.\"}");
break;
}
snprintf(pl_file, 400, "%s/smartpls/%s", config->varlibdir, p_charbuf1);
if (access(pl_file, F_OK ) != -1 ) {
if (unlink(pl_file) == -1) {
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"error\", \"data\": \"Deleting smart playlist failed.\"}");
printf("MPD_API_PLAYLIST_RM: Error unlinking smart playlist file()\n");
free(p_charbuf1);
break;
}
}
//remove mpd playlist
if (mpd_run_rm(mpd_state->conn, p_charbuf1))
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"result\", \"data\": \"ok\"}");
else {
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"error\", \"data\": \"Deleting playlist failed.\"}");
printf("MPD_API_QUEUE_SHUFFLE: Error mpd_run_rm()\n");
}
free(p_charbuf1);
}
break;
case MPD_API_SETTINGS_GET:
response->length = mpd_client_put_settings(mpd_state, response->data);
break;
case MPD_API_DATABASE_STATS:
response->length = mpd_client_put_stats(mpd_state, response->data);
break;
default:
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"error\", \"data\": \"Unknown request\"}");
printf("Unknown API request: %.*s\n", request->length, request->data);
}
if (mpd_state->conn_state == MPD_CONNECTED && mpd_connection_get_error(mpd_state->conn) != MPD_ERROR_SUCCESS) {
printf("Error: %s\n", mpd_connection_get_error_message(mpd_state->conn));
response->length = snprintf(response->data, MAX_SIZE, "{\"type\":\"error\", \"data\": \"%s\"}",
mpd_connection_get_error_message(mpd_state->conn));
/* Try to recover error */
if (!mpd_connection_clear_error(mpd_state->conn))
mpd_state->conn_state = MPD_FAILURE;
}
if (response->length == 0) {
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"error\", \"data\": \"No response for cmd_id %u.\"}", request->cmd_id);
}
if (response->conn_id > -1) {
LOG_DEBUG() fprintf(stderr, "DEBUG: Send http response to connection %lu (first 800 chars):\n%*.*s\n", request->conn_id, 0, 800, response->data);
tiny_queue_push(web_server_queue, response);
}
else {
free(response);
}
free(request);
}
static void mpd_client_notify(const char *message, const size_t len) {
LOG_DEBUG() fprintf(stderr, "DEBUG: Websocket notify: %s.\n", message);
t_work_result *response = (t_work_result *)malloc(sizeof(t_work_result));
response->conn_id = 0;
response->length = copy_string(response->data, message, MAX_SIZE, len);
tiny_queue_push(web_server_queue, response);
}
static void mpd_client_parse_idle(t_config *config, t_mpd_state *mpd_state, int idle_bitmask) {
size_t len = 0;
char buffer[MAX_SIZE];
for (unsigned j = 0;; j++) {
enum mpd_idle idle_event = 1 << j;
const char *idle_name = mpd_idle_name(idle_event);
if (idle_name == NULL)
break;
if (idle_bitmask & idle_event) {
LOG_VERBOSE() printf("MPD idle event: %s\n", idle_name);
switch(idle_event) {
case MPD_IDLE_DATABASE:
len = snprintf(buffer, MAX_SIZE, "{\"type\": \"update_database\"}");
mpd_client_smartpls_update_all(config, mpd_state);
break;
case MPD_IDLE_STORED_PLAYLIST:
len = snprintf(buffer, MAX_SIZE, "{\"type\": \"update_stored_playlist\"}");
break;
case MPD_IDLE_QUEUE:
len = snprintf(buffer, MAX_SIZE, "{\"type\": \"update_queue\"}");
//jukebox enabled
if (mpd_state->jukeboxMode != JUKEBOX_OFF)
mpd_client_jukebox(config, mpd_state);
//autoPlay enabled
if (mpd_state->autoPlay == true) {
LOG_VERBOSE() printf("AutoPlay enabled, start playing");
mpd_run_play(mpd_state->conn);
}
break;
case MPD_IDLE_PLAYER:
len = mpd_client_put_state(mpd_state, buffer);
if (mpd_state->song_id != mpd_state->last_song_id) {
if (mpd_state->last_last_played_id != mpd_state->song_id)
mpd_client_last_played_list(config, mpd_state, mpd_state->song_id);
if (mpd_state->feat_sticker && mpd_state->last_update_sticker_song_id != mpd_state->song_id) {
mpd_client_count_song_id(mpd_state, mpd_state->song_id, "playCount", 1);
mpd_client_last_played_song_id(mpd_state, mpd_state->song_id);
mpd_state->last_update_sticker_song_id = mpd_state->song_id;
}
}
break;
case MPD_IDLE_MIXER:
len = mpd_client_put_volume(mpd_state, buffer);
break;
case MPD_IDLE_OUTPUT:
len = snprintf(buffer, MAX_SIZE, "{\"type\": \"update_outputs\"}");
break;
case MPD_IDLE_OPTIONS:
len = snprintf(buffer, MAX_SIZE, "{\"type\": \"update_options\"}");
break;
case MPD_IDLE_UPDATE:
len = mpd_client_get_updatedb_state(mpd_state, buffer);
break;
case MPD_IDLE_STICKER:
len = snprintf(buffer, MAX_SIZE, "{\"type\": \"update_sticker\"}");
break;
case MPD_IDLE_SUBSCRIPTION:
len = snprintf(buffer, MAX_SIZE, "{\"type\": \"update_subscription\"}");
break;
case MPD_IDLE_MESSAGE:
len = snprintf(buffer, MAX_SIZE, "{\"type\": \"update_message\"}");
break;
default:
len = 0;
}
if (len > 0) {
mpd_client_notify(buffer, len);
}
}
}
}
static void mpd_client_mpd_features(t_config *config, t_mpd_state *mpd_state) {
struct mpd_pair *pair;
char s[2] = ",";
char *taglist = strdup(config->taglist);
char *searchtaglist = strdup(config->searchtaglist);
char *browsetaglist = strdup(config->browsetaglist);
char *token, *rest;
mpd_state->protocol = mpd_connection_get_server_version(mpd_state->conn);
LOG_INFO() printf("MPD protocoll version: %u.%u.%u\n", mpd_state->protocol[0], mpd_state->protocol[1], mpd_state->protocol[2]);
// Defaults
mpd_state->feat_sticker = config->stickers;
mpd_state->feat_playlists = false;
mpd_state->feat_tags = false;
mpd_state->feat_advsearch = false;
mpd_state->feat_smartpls = config->smartpls;
mpd_state->tag_types_len = 0;
memset(mpd_state->tag_types, 0, sizeof(mpd_state->tag_types));
if (mpd_send_allowed_commands(mpd_state->conn)) {
while ((pair = mpd_recv_command_pair(mpd_state->conn)) != NULL) {
if (strcmp(pair->value, "sticker") == 0)
mpd_state->feat_sticker = true;
else if (strcmp(pair->value, "listplaylists") == 0)
mpd_state->feat_playlists = true;
mpd_return_pair(mpd_state->conn, pair);
}
mpd_response_finish(mpd_state->conn);
}
else {
LOG_ERROR_AND_RECOVER("mpd_send_allowed_commands");
}
if (mpd_state->feat_sticker == true && config->stickers == false) {
LOG_INFO() printf("MPD don't support stickers, disabling myMPD feature\n");
mpd_state->feat_sticker = false;
}
if (mpd_state->feat_sticker == false && config->smartpls == true) {
LOG_INFO() printf("Stickers are disabled, disabling smart playlists\n");
mpd_state->feat_smartpls = false;
}
if (mpd_state->feat_playlists == false && config->smartpls == true) {
LOG_INFO() printf("Playlists are disabled, disabling smart playlists\n");
mpd_state->feat_smartpls = false;
}
LOG_INFO() printf("MPD supported tags: ");
list_free(&mpd_state->mpd_tags);
if (mpd_send_list_tag_types(mpd_state->conn)) {
while ((pair = mpd_recv_tag_type_pair(mpd_state->conn)) != NULL) {
LOG_INFO() printf("%s ", pair->value);
list_push(&mpd_state->mpd_tags, pair->value, 1);
mpd_return_pair(mpd_state->conn, pair);
}
mpd_response_finish(mpd_state->conn);
}
else {
LOG_ERROR_AND_RECOVER("mpd_send_list_tag_types");
}
list_free(&mpd_state->mympd_tags);
if (mpd_state->mpd_tags.length == 0) {
LOG_INFO() printf("none\nTags are disabled\n");
mpd_state->feat_tags = false;
}
else {
mpd_state->feat_tags = true;
LOG_INFO() printf("\nmyMPD enabled tags: ");
token = strtok_r(taglist, s, &rest);
while (token != NULL) {
if (list_get_value(&mpd_state->mpd_tags, token) == 1) {
list_push(&mpd_state->mympd_tags, token, 1);
mpd_state->tag_types[mpd_state->tag_types_len++] = mpd_tag_name_parse(token);
LOG_INFO() printf("%s ", token);
}
token = strtok_r(NULL, s, &rest);
}
LOG_INFO() printf("\n");
#if LIBMPDCLIENT_CHECK_VERSION(2,12,0)
if (mpd_connection_cmp_server_version(mpd_state->conn, 0, 21, 0) >= 0) {
LOG_VERBOSE() printf("Enabling mpd tag types\n");
if (mpd_command_list_begin(mpd_state->conn, false)) {
mpd_send_clear_tag_types(mpd_state->conn);
mpd_send_enable_tag_types(mpd_state->conn, mpd_state->tag_types, mpd_state->tag_types_len);
if (!mpd_command_list_end(mpd_state->conn)) {
LOG_ERROR_AND_RECOVER("mpd_command_list_end");
}
}
else {
LOG_ERROR_AND_RECOVER("mpd_command_list_begin");
}
mpd_response_finish(mpd_state->conn);
}
#endif
LOG_INFO() printf("myMPD enabled searchtags: ");
token = strtok_r(searchtaglist, s, &rest);
while (token != NULL) {
if (list_get_value(&mpd_state->mympd_tags, token) == 1) {
list_push(&mpd_state->mympd_searchtags, token, 1);
LOG_INFO() printf("%s ", token);
}
token = strtok_r(NULL, s, &rest);
}
LOG_INFO() printf("\nmyMPD enabled browsetags: ");
token = strtok_r(browsetaglist, s, &rest);
while (token != NULL) {
if (list_get_value(&mpd_state->mympd_tags, token) == 1) {
list_push(&mpd_state->mympd_browsetags, token, 1);
LOG_INFO() printf("%s ", token);
}
token = strtok_r(NULL, s, &rest);
}
LOG_INFO() printf("\n");
}
free(taglist);
free(searchtaglist);
free(browsetaglist);
if (LIBMPDCLIENT_CHECK_VERSION(2, 17, 0) && mpd_connection_cmp_server_version(mpd_state->conn, 0, 21, 0) >= 0) {
mpd_state->feat_advsearch = true;
LOG_INFO() printf("Enabling advanced search.\n");
}
else {
LOG_INFO() printf("Disabling advanced search, depends on mpd >= 0.21.0 and libmpdclient >= 2.17.0.\n");
}
}
static void mpd_client_idle(t_config *config, t_mpd_state *mpd_state) {
struct pollfd fds[1];
int pollrc;
char buffer[MAX_SIZE];
size_t len = 0;
unsigned mpd_client_queue_length = 0;
switch (mpd_state->conn_state) {
case MPD_DISCONNECTED:
/* Try to connect */
LOG_INFO() printf("MPD Connecting to %s:%ld\n", config->mpdhost, config->mpdport);
mpd_state->conn = mpd_connection_new(config->mpdhost, config->mpdport, mpd_state->timeout);
if (mpd_state->conn == NULL) {
printf("ERROR: MPD connection failed.");
len = snprintf(buffer, MAX_SIZE, "{\"type\": \"mpd_disconnected\"}");
mpd_client_notify(buffer, len);
mpd_state->conn_state = MPD_FAILURE;
mpd_connection_free(mpd_state->conn);
sleep(3);
return;
}
if (mpd_connection_get_error(mpd_state->conn) != MPD_ERROR_SUCCESS) {
printf("ERROR: MPD connection: %s\n", mpd_connection_get_error_message(mpd_state->conn));
len = snprintf(buffer, MAX_SIZE, "{\"type\": \"error\", \"data\": \"%s\"}", mpd_connection_get_error_message(mpd_state->conn));
mpd_client_notify(buffer, len);
mpd_state->conn_state = MPD_FAILURE;
sleep(3);
return;
}
if (config->mpdpass && !mpd_run_password(mpd_state->conn, config->mpdpass)) {
printf("ERROR: MPD connection: %s\n", mpd_connection_get_error_message(mpd_state->conn));
len = snprintf(buffer, MAX_SIZE, "{\"type\": \"error\", \"data\": \"%s\"}", mpd_connection_get_error_message(mpd_state->conn));
mpd_client_notify(buffer, len);
mpd_state->conn_state = MPD_FAILURE;
return;
}
LOG_INFO() printf("MPD connected.\n");
mpd_connection_set_timeout(mpd_state->conn, mpd_state->timeout);
len = snprintf(buffer, MAX_SIZE, "{\"type\": \"mpd_connected\"}");
mpd_client_notify(buffer, len);
mpd_state->conn_state = MPD_CONNECTED;
mpd_client_mpd_features(config, mpd_state);
mpd_client_smartpls_update_all(config, mpd_state);
if (mpd_state->jukeboxMode != JUKEBOX_OFF)
mpd_client_jukebox(config, mpd_state);
mpd_send_idle(mpd_state->conn);
break;
case MPD_FAILURE:
LOG_INFO() printf("MPD connection failed.\n");
len = snprintf(buffer, MAX_SIZE, "{\"type\": \"mpd_disconnected\"}");
mpd_client_notify(buffer, len);
// fall through
case MPD_DISCONNECT:
case MPD_RECONNECT:
if (mpd_state->conn != NULL) {
mpd_connection_free(mpd_state->conn);
}
mpd_state->conn = NULL;
mpd_state->conn_state = MPD_DISCONNECTED;
//mpd_client_api error response
mpd_client_queue_length = tiny_queue_length(mpd_client_queue, 50);
if (mpd_client_queue_length > 0) {
//Handle request
LOG_DEBUG() fprintf(stderr, "DEBUG: Handle request (mpd disconnected).\n");
t_work_request *request = tiny_queue_shift(mpd_client_queue, 50);
if (request != NULL) {
//create response struct
t_work_result *response = (t_work_result*)malloc(sizeof(t_work_result));
response->conn_id = request->conn_id;
response->length = 0;
response->length = snprintf(response->data, MAX_SIZE, "{\"type\": \"error\", \"data\": \"MPD disconnected.\"}");
if (response->conn_id > -1) {
LOG_DEBUG() fprintf(stderr, "DEBUG: Send http response to connection %lu (first 800 chars):\n%*.*s\n", request->conn_id, 0, 800, response->data);
tiny_queue_push(web_server_queue, response);
}
else {
free(response);
}
free(request);
}
}
break;
case MPD_CONNECTED:
fds[0].fd = mpd_connection_get_fd(mpd_state->conn);
fds[0].events = POLLIN;
pollrc = poll(fds, 1, 50);
mpd_client_queue_length = tiny_queue_length(mpd_client_queue, 50);
if (pollrc > 0 || mpd_client_queue_length > 0) {
LOG_DEBUG() fprintf(stderr, "DEBUG: Leaving mpd idle mode.\n");
if (!mpd_send_noidle(mpd_state->conn)) {
printf("ERROR: entering idle mode failed\n");
mpd_state->conn_state = MPD_FAILURE;
break;
}
if (pollrc > 0) {
//Handle idle events
LOG_DEBUG() fprintf(stderr, "DEBUG: Checking for idle events.\n");
enum mpd_idle idle_bitmask = mpd_recv_idle(mpd_state->conn, false);
mpd_client_parse_idle(config, mpd_state, idle_bitmask);
}
else {
mpd_response_finish(mpd_state->conn);
}
if (mpd_client_queue_length > 0) {
//Handle request
LOG_DEBUG() fprintf(stderr, "DEBUG: Handle request.\n");
t_work_request *request = tiny_queue_shift(mpd_client_queue, 50);
if (request != NULL) {
mpd_client_api(config, mpd_state, request);
}
}
LOG_DEBUG() fprintf(stderr, "DEBUG: Entering mpd idle mode.\n");
if (!mpd_send_idle(mpd_state->conn)) {
printf("ERROR: entering idle mode failed\n");
mpd_state->conn_state = MPD_FAILURE;
}
}
break;
default:
printf("ERROR: Invalid mpd connection state\n");
}
}
static int mpd_client_get_updatedb_state(t_mpd_state *mpd_state, char *buffer) {
struct mpd_status *status;
int len, update_id;
struct json_out out = JSON_OUT_BUF(buffer, MAX_SIZE);
status = mpd_run_status(mpd_state->conn);
if (!status)
RETURN_ERROR_AND_RECOVER("mpd_run_status");
update_id = mpd_status_get_update_id(status);
LOG_INFO() printf("Update database ID: %d\n", update_id);
if ( update_id > 0)
len = json_printf(&out, "{type: update_started, data: {jobid: %d}}", update_id);
else
len = json_printf(&out, "{type: update_finished}");
mpd_status_free(status);
CHECK_RETURN_LEN();
}
static bool mpd_client_get_sticker(t_mpd_state *mpd_state, const char *uri, t_sticker *sticker) {
struct mpd_pair *pair;
char *crap;
sticker->playCount = 0;
sticker->skipCount = 0;
sticker->lastPlayed = 0;
sticker->like = 1;
if (uri == NULL || strncasecmp("http:", uri, 5) == 0 || strncasecmp("https:", uri, 6) == 0)
return false;
if (mpd_send_sticker_list(mpd_state->conn, "song", uri)) {
while ((pair = mpd_recv_sticker(mpd_state->conn)) != NULL) {
if (strcmp(pair->name, "playCount") == 0)
sticker->playCount = strtol(pair->value, &crap, 10);
else if (strcmp(pair->name, "skipCount") == 0)
sticker->skipCount = strtol(pair->value, &crap, 10);
else if (strcmp(pair->name, "lastPlayed") == 0)
sticker->lastPlayed = strtol(pair->value, &crap, 10);
else if (strcmp(pair->name, "like") == 0)
sticker->like = strtol(pair->value, &crap, 10);
mpd_return_sticker(mpd_state->conn, pair);
}
}
else {
LOG_ERROR_AND_RECOVER("mpd_send_sticker_list");
return false;
}
return true;
}
static bool mpd_client_count_song_id(t_mpd_state *mpd_state, const int song_id, const char *name, const int value) {
struct mpd_song *song;
if (song_id > -1) {
song = mpd_run_get_queue_song_id(mpd_state->conn, song_id);
if (song) {
if (!mpd_client_count_song_uri(mpd_state, mpd_song_get_uri(song), name, value)) {
mpd_song_free(song);
return false;
}
else {
mpd_song_free(song);
return true;
}
}
}
else {
//song_id <= 0, do nothing
}
return true;
}
static bool mpd_client_count_song_uri(t_mpd_state *mpd_state, const char *uri, const char *name, const int value) {
if (uri == NULL || strncasecmp("http:", uri, 5) == 0 || strncasecmp("https:", uri, 6) == 0)
return false;
struct mpd_pair *pair;
char *crap;
int old_value = 0;
char v[4];
if (mpd_send_sticker_list(mpd_state->conn, "song", uri)) {
while ((pair = mpd_recv_sticker(mpd_state->conn)) != NULL) {
if (strcmp(pair->name, name) == 0)
old_value = strtol(pair->value, &crap, 10);
mpd_return_sticker(mpd_state->conn, pair);
}
} else {
LOG_ERROR_AND_RECOVER("mpd_send_sticker_list");
return false;
}
old_value += value;
if (old_value > 999)
old_value = 999;
else if (old_value < 0)
old_value = 0;
snprintf(v, 4, "%d", old_value);
LOG_VERBOSE() printf("Setting sticker: \"%s\" -> %s: %s\n", uri, name, v);
if (!mpd_run_sticker_set(mpd_state->conn, "song", uri, name, v)) {
LOG_ERROR_AND_RECOVER("mpd_send_sticker_set");
return false;
}
return true;
}
static bool mpd_client_like_song_uri(t_mpd_state *mpd_state, const char *uri, int value) {
if (uri == NULL || strncasecmp("http:", uri, 5) == 0 || strncasecmp("https:", uri, 6) == 0)
return false;
char v[2];
if (value > 2)
value = 2;
else if (value < 0)
value = 0;
snprintf(v, 2, "%d", value);
LOG_VERBOSE() printf("Setting sticker: \"%s\" -> like: %s\n", uri, v);
if (!mpd_run_sticker_set(mpd_state->conn, "song", uri, "like", v)) {
LOG_ERROR_AND_RECOVER("mpd_send_sticker_set");
return false;
}
return true;
}
static bool mpd_client_last_played_list(t_config *config, t_mpd_state *mpd_state, const int song_id) {
struct mpd_song *song;
char tmp_file[400];
char cfg_file[400];
snprintf(cfg_file, 400, "%s/state/last_played", config->varlibdir);
snprintf(tmp_file, 400, "%s/tmp/last_played", config->varlibdir);
if (song_id > -1) {
song = mpd_run_get_queue_song_id(mpd_state->conn, song_id);
if (song) {
list_insert(&mpd_state->last_played, mpd_song_get_uri(song), time(NULL));
mpd_state->last_last_played_id = song_id;
mpd_song_free(song);
if (mpd_state->last_played.length > config->last_played_count) {
list_shift(&mpd_state->last_played, mpd_state->last_played.length -1);
}
FILE *fp = fopen(tmp_file, "w");
if (fp == NULL) {
printf("Error opening %s\n", tmp_file);
return false;
}
struct node *current = mpd_state->last_played.list;
while (current != NULL) {
fprintf(fp, "%ld::%s\n", current->value, current->data);
current = current->next;
}
fclose(fp);
if (rename(tmp_file, cfg_file) == -1) {
printf("Error renaming file from %s to %s\n", tmp_file, cfg_file);
return false;
}
} else {
printf("Can't get song from id %d\n", song_id);
return false;
}
}
return true;
}
static bool mpd_client_last_played_song_id(t_mpd_state *mpd_state, const int song_id) {
struct mpd_song *song;
if (song_id > -1) {
song = mpd_run_get_queue_song_id(mpd_state->conn, song_id);
if (song) {
if (mpd_client_last_played_song_uri(mpd_state, mpd_song_get_uri(song)) == false) {
mpd_song_free(song);
return false;
}
else {
mpd_song_free(song);
return true;
}
}
else {
LOG_ERROR_AND_RECOVER("mpd_run_get_queue_song_id");
return false;
}
}
else {
//song_id <= 0, do nothing
}
return true;
}
static bool mpd_client_last_played_song_uri(t_mpd_state *mpd_state, const char *uri) {
if (uri == NULL || strncasecmp("http:", uri, 5) == 0 || strncasecmp("https:", uri, 6) == 0)
return false;
char v[20];
snprintf(v, 20, "%lu", time(NULL));
LOG_VERBOSE() printf("Setting sticker: \"%s\" -> lastPlayed: %s\n", uri, v);
if (!mpd_run_sticker_set(mpd_state->conn, "song", uri, "lastPlayed", v)) {
LOG_ERROR_AND_RECOVER("mpd_send_sticker_set");
return false;
}
return true;
}
static char *mpd_client_get_tag(struct mpd_song const *song, const enum mpd_tag_type tag) {
char *str;
str = (char *)mpd_song_get_tag(song, tag, 0);
if (str == NULL) {
if (tag == MPD_TAG_TITLE) {
str = basename((char *)mpd_song_get_uri(song));
}
else if (tag == MPD_TAG_ALBUM_ARTIST) {
str = (char *)mpd_song_get_tag(song, MPD_TAG_ARTIST, 0);
}
}
return str;
}
static bool mpd_client_jukebox(t_config *config, t_mpd_state *mpd_state) {
struct mpd_status *status = mpd_run_status(mpd_state->conn);
int queue_length, addSongs, i;
struct mpd_entity *entity;
const struct mpd_song *song;
struct mpd_pair *pair;
int lineno = 1;
int nkeep = 0;
if (!status) {
LOG_ERROR_AND_RECOVER("mpd_run_status");
return false;
}
queue_length = mpd_status_get_queue_length(status);
mpd_status_free(status);
if (queue_length > mpd_state->jukeboxQueueLength)
return true;
if (mpd_state->jukeboxMode == JUKEBOX_ADD_SONG)
addSongs = mpd_state->jukeboxQueueLength - queue_length;
else
addSongs = 1;
if (addSongs < 1)
return true;
if (mpd_state->feat_playlists == false && strcmp(mpd_state->jukeboxPlaylist, "Database") != 0) {
LOG_INFO() printf("Jukebox: Playlists are disabled\n");
return true;
}
//srand((unsigned int)time(NULL));
struct list add_list;
list_init(&add_list);
if (mpd_state->jukeboxMode == JUKEBOX_ADD_SONG) {
//add songs
if (strcmp(mpd_state->jukeboxPlaylist, "Database") == 0) {
if (!mpd_send_list_all(mpd_state->conn, "/")) {
LOG_ERROR_AND_RECOVER("mpd_send_list_all");
list_free(&add_list);
return false;
}
}
else {
if (!mpd_send_list_playlist(mpd_state->conn, mpd_state->jukeboxPlaylist)) {
LOG_ERROR_AND_RECOVER("mpd_send_list_playlist");
list_free(&add_list);
return false;
}
}
while ((entity = mpd_recv_entity(mpd_state->conn)) != NULL) {
if (mpd_entity_get_type(entity) == MPD_ENTITY_TYPE_SONG) {
if (randrange(lineno) < addSongs) {
if (nkeep < addSongs) {
song = mpd_entity_get_song(entity);
list_push(&add_list, mpd_song_get_uri(song), lineno);
nkeep++;
}
else {
i = 0;
if (addSongs > 1)
i = randrange(addSongs);
if (addSongs == 1) {
song = mpd_entity_get_song(entity);
list_replace(&add_list, 0, mpd_song_get_uri(song), lineno);
}
else {
song = mpd_entity_get_song(entity);
list_replace(&add_list, i, mpd_song_get_uri(song), lineno);
}
}
}
lineno++;
}
mpd_entity_free(entity);
}
}
else if (mpd_state->jukeboxMode == JUKEBOX_ADD_ALBUM) {
//add album
if (!mpd_search_db_tags(mpd_state->conn, MPD_TAG_ALBUM)) {
LOG_ERROR_AND_RECOVER("mpd_search_db_tags");
list_free(&add_list);
return false;
}
if (!mpd_search_commit(mpd_state->conn)) {
LOG_ERROR_AND_RECOVER("mpd_search_commit");
list_free(&add_list);
return false;
}
while ((pair = mpd_recv_pair_tag(mpd_state->conn, MPD_TAG_ALBUM )) != NULL) {
if (randrange(lineno) < addSongs) {
if (nkeep < addSongs) {
list_push(&add_list, strdup(pair->value), lineno);
nkeep++;
}
else {
i = 0;
if (addSongs > 1)
i = randrange(addSongs);
if (addSongs == 1) {
list_replace(&add_list, 0, strdup(pair->value), lineno);
}
else {
list_replace(&add_list, i, strdup(pair->value), lineno);
}
}
}
lineno++;
mpd_return_pair(mpd_state->conn, pair);
}
}
if (nkeep < addSongs)
fprintf(stderr, "Warning: input didn't contain %d entries\n", addSongs);
list_shuffle(&add_list);
nkeep = 0;
struct node *current = add_list.list;
while (current != NULL) {
if (mpd_state->jukeboxMode == JUKEBOX_ADD_SONG) {
LOG_INFO() printf("Jukebox adding song: %s\n", current->data);
if (!mpd_run_add(mpd_state->conn, current->data))
LOG_ERROR_AND_RECOVER("mpd_run_add");
else
nkeep++;
}
else {
LOG_INFO() printf("Jukebox adding album: %s\n", current->data);
if (!mpd_send_command(mpd_state->conn, "searchadd", "Album", current->data, NULL)) {
LOG_ERROR_AND_RECOVER("mpd_send_command");
return false;
}
else
nkeep++;
mpd_response_finish(mpd_state->conn);
}
current = current->next;
}
list_free(&add_list);
if (nkeep > 0)
mpd_run_play(mpd_state->conn);
else {
printf("Error adding song(s), trying again...\n");
mpd_client_jukebox(config, mpd_state);
}
return true;
}
static int mpd_client_put_state(t_mpd_state *mpd_state, char *buffer) {
size_t len = 0;
struct json_out out = JSON_OUT_BUF(buffer, MAX_SIZE);
struct mpd_status *status = mpd_run_status(mpd_state->conn);
if (!status) {
printf("MPD mpd_run_status: %s\n", mpd_connection_get_error_message(mpd_state->conn));
mpd_state->conn_state = MPD_FAILURE;
return 0;
}
const struct mpd_audio_format *audioformat = mpd_status_get_audio_format(status);
const int song_id = mpd_status_get_song_id(status);
if (mpd_state->song_id != song_id)
mpd_state->last_song_id = mpd_state->song_id;
len = json_printf(&out, "{type: update_state, data: {state: %d, volume: %d, songPos: %d, elapsedTime: %d, "
"totalTime: %d, currentSongId: %d, kbitrate: %d, audioFormat: { sampleRate: %d, bits: %d, channels: %d}, "
"queueLength: %d, nextSongPos: %d, nextSongId: %d, lastSongId: %d, queueVersion: %d",
mpd_status_get_state(status),
mpd_status_get_volume(status),
mpd_status_get_song_pos(status),
mpd_status_get_elapsed_time(status),
mpd_status_get_total_time(status),
song_id,
mpd_status_get_kbit_rate(status),
audioformat ? audioformat->sample_rate : 0,
audioformat ? audioformat->bits : 0,
audioformat ? audioformat->channels : 0,
mpd_status_get_queue_length(status),
mpd_status_get_next_song_pos(status),
mpd_status_get_next_song_id(status),
mpd_state->last_song_id ? mpd_state->last_song_id : -1,
mpd_status_get_queue_version(status)
);
len += json_printf(&out, "}}");
mpd_state->song_id = song_id;
mpd_state->next_song_id = mpd_status_get_next_song_id(status);
mpd_state->queue_version = mpd_status_get_queue_version(status);
mpd_state->queue_length = mpd_status_get_queue_length(status);
mpd_status_free(status);
CHECK_RETURN_LEN();
}
static int mpd_client_put_volume(t_mpd_state *mpd_state, char *buffer) {
size_t len = 0;
struct json_out out = JSON_OUT_BUF(buffer, MAX_SIZE);
struct mpd_status *status = mpd_run_status(mpd_state->conn);
if (!status) {
printf("MPD mpd_run_status: %s\n", mpd_connection_get_error_message(mpd_state->conn));
mpd_state->conn_state = MPD_FAILURE;
return 0;
}
len = json_printf(&out, "{type: update_volume, data: {volume: %d}}",
mpd_status_get_volume(status)
);
mpd_status_free(status);
CHECK_RETURN_LEN();
}
static int mpd_client_put_settings(t_mpd_state *mpd_state, char *buffer) {
char *replaygain = strdup("");
size_t len;
int nr = 0;
struct json_out out = JSON_OUT_BUF(buffer, MAX_SIZE);
struct mpd_status *status = mpd_run_status(mpd_state->conn);
if (!status) {
printf("MPD mpd_run_status: %s\n", mpd_connection_get_error_message(mpd_state->conn));
mpd_state->conn_state = MPD_FAILURE;
return 0;
}
if (!mpd_send_command(mpd_state->conn, "replay_gain_status", NULL)) {
RETURN_ERROR_AND_RECOVER("replay_gain_status");
}
struct mpd_pair *pair;
while ((pair = mpd_recv_pair(mpd_state->conn)) != NULL) {
free(replaygain);
replaygain = strdup(pair->value);
mpd_return_pair(mpd_state->conn, pair);
}
len = json_printf(&out, "{type: settings, data: {"
"repeat: %d, single: %d, crossfade: %d, consume: %d, random: %d, "
"mixrampdb: %f, mixrampdelay: %f, replaygain: %Q, featPlaylists: %B, featTags: %B, featLibrary: %B, "
"featAdvsearch: %B, featStickers: %B, featSmartpls: %B, tags: [",
mpd_status_get_repeat(status),
mpd_status_get_single(status),
mpd_status_get_crossfade(status),
mpd_status_get_consume(status),
mpd_status_get_random(status),
mpd_status_get_mixrampdb(status),
mpd_status_get_mixrampdelay(status),
replaygain,
mpd_state->feat_playlists,
mpd_state->feat_tags,
mpd_state->feat_library,
mpd_state->feat_advsearch,
mpd_state->feat_sticker,
mpd_state->feat_smartpls
);
mpd_status_free(status);
free(replaygain);
nr = 0;
struct node *current = mpd_state->mympd_tags.list;
while (current != NULL) {
if (nr++)
len += json_printf(&out, ",");
len += json_printf(&out, "%Q", current->data);
current = current->next;
}
len += json_printf(&out, "], searchtags: [");
nr = 0;
current = mpd_state->mympd_searchtags.list;
while (current != NULL) {
if (nr++)
len += json_printf(&out, ",");
len += json_printf(&out, "%Q", current->data);
current = current->next;
}
len += json_printf(&out, "], browsetags: [");
nr = 0;
current = mpd_state->mympd_browsetags.list;
while (current != NULL) {
if (nr++)
len += json_printf(&out, ",");
len += json_printf(&out, "%Q", current->data);
current = current->next;
}
len += json_printf(&out, "]}}");
CHECK_RETURN_LEN();
}
static int mpd_client_put_outputs(t_mpd_state *mpd_state, char *buffer) {
struct mpd_output *output;
size_t len;
int nr;
struct json_out out = JSON_OUT_BUF(buffer, MAX_SIZE);
if (!mpd_send_outputs(mpd_state->conn))
RETURN_ERROR_AND_RECOVER("outputs");
len = json_printf(&out, "{type: outputs, data: {outputs: [");
nr = 0;
while ((output = mpd_recv_output(mpd_state->conn)) != NULL) {
if (nr++)
len += json_printf(&out, ",");
len += json_printf(&out, "{id: %d, name: %Q, state: %d}",
mpd_output_get_id(output),
mpd_output_get_name(output),
mpd_output_get_enabled(output)
);
mpd_output_free(output);
}
if (!mpd_response_finish(mpd_state->conn))
LOG_ERROR_AND_RECOVER("outputs");
len += json_printf(&out,"]}}");
CHECK_RETURN_LEN();
}
static int mpd_client_get_cover(t_config *config, t_mpd_state *mpd_state, const char *uri, char *cover, const int cover_len) {
char *orgpath = strdup(uri);
char *path = orgpath;
size_t len = 0;
if (!config->coverimage) {
len = snprintf(cover, cover_len, "/assets/coverimage-notavailable.png");
}
else if (strncasecmp("http:", path, 5) == 0 || strncasecmp("https:", path, 6) == 0) {
if(strlen(path) > 8) {
if (strncasecmp("http:", path, 5) == 0)
path += 7;
else if (strncasecmp("https:", path, 6) == 0)
path += 8;
replacechar(path, '/', '_');
replacechar(path, '.', '_');
snprintf(cover, cover_len, "%s/pics/%s.png", DOC_ROOT, path);
if (access(cover, F_OK ) == -1 )
len = snprintf(cover, cover_len, "/assets/coverimage-httpstream.png");
else
len = snprintf(cover, cover_len, "/pics/%s.png", path);
} else
len = snprintf(cover, cover_len, "/assets/coverimage-httpstream.png");
}
else {
if (mpd_state->feat_library) {
dirname(path);
snprintf(cover, cover_len, "%s/library/%s/%s", DOC_ROOT, path, config->coverimagename);
if (access(cover, F_OK ) == -1 )
len = snprintf(cover, cover_len, "/assets/coverimage-notavailable.png");
else
len = snprintf(cover, cover_len, "/library/%s/%s", path, config->coverimagename);
} else
len = snprintf(cover, cover_len, "/assets/coverimage-notavailable.png");
}
free(orgpath);
return len;
}
static int mpd_client_put_current_song(t_config *config, t_mpd_state *mpd_state, char *buffer) {
size_t len = 0;
struct json_out out = JSON_OUT_BUF(buffer, MAX_SIZE);
char cover[500] = "";
struct mpd_song *song = mpd_run_current_song(mpd_state->conn);
if (song == NULL) {
len = json_printf(&out, "{type: result, data: ok}");
return len;
}
mpd_client_get_cover(config, mpd_state, mpd_song_get_uri(song), cover, 500);
len = json_printf(&out, "{type: song_change, data: {pos: %d, currentSongId: %d, cover: %Q, ",
mpd_song_get_pos(song),
mpd_state->song_id,
cover
);
PUT_SONG_TAGS();
mpd_response_finish(mpd_state->conn);
if (mpd_state->feat_sticker) {
t_sticker *sticker = (t_sticker *) malloc(sizeof(t_sticker));
mpd_client_get_sticker(mpd_state, mpd_song_get_uri(song), sticker);
len += json_printf(&out, ", playCount: %d, skipCount: %d, like: %d, lastPlayed: %d",
sticker->playCount,
sticker->skipCount,
sticker->like,
sticker->lastPlayed
);
free(sticker);
}
len += json_printf(&out, "}}");
mpd_song_free(song);
CHECK_RETURN_LEN();
}
static int mpd_client_put_songdetails(t_config *config, t_mpd_state *mpd_state, char *buffer, const char *uri) {
struct mpd_entity *entity;
const struct mpd_song *song;
size_t len = 0;
struct json_out out = JSON_OUT_BUF(buffer, MAX_SIZE);
char cover[500] = "";
len = json_printf(&out, "{type: song_details, data: {");
if (!mpd_send_list_all_meta(mpd_state->conn, uri))
RETURN_ERROR_AND_RECOVER("mpd_send_list_all_meta");
if ((entity = mpd_recv_entity(mpd_state->conn)) != NULL) {
song = mpd_entity_get_song(entity);
mpd_client_get_cover(config, mpd_state, uri, cover, 500);
len += json_printf(&out, "cover: %Q, ", cover);
PUT_SONG_TAGS();
mpd_entity_free(entity);
}
mpd_response_finish(mpd_state->conn);
if (mpd_state->feat_sticker) {
t_sticker *sticker = (t_sticker *) malloc(sizeof(t_sticker));
mpd_client_get_sticker(mpd_state, uri, sticker);
len += json_printf(&out, ", playCount: %d, skipCount: %d, like: %d, lastPlayed: %d",
sticker->playCount,
sticker->skipCount,
sticker->like,
sticker->lastPlayed
);
free(sticker);
}
len += json_printf(&out, "}}");
CHECK_RETURN_LEN();
}
static int mpd_client_put_last_played_songs(t_config *config, t_mpd_state *mpd_state, char *buffer, unsigned int offset) {
const struct mpd_song *song;
struct mpd_entity *entity;
size_t len = 0;
unsigned entity_count = 0;
unsigned entities_returned = 0;
struct json_out out = JSON_OUT_BUF(buffer, MAX_SIZE);
len = json_printf(&out, "{type: last_played_songs, data: [");
struct node *current = mpd_state->last_played.list;
while (current != NULL) {
entity_count++;
if (entity_count > offset && entity_count <= offset + config->max_elements_per_page) {
if (entities_returned++)
len += json_printf(&out, ",");
len += json_printf(&out, "{Pos: %d, LastPlayed: %ld, ", entity_count, current->value);
if (!mpd_send_list_all_meta(mpd_state->conn, current->data))
RETURN_ERROR_AND_RECOVER("mpd_send_list_all_meta");
if ((entity = mpd_recv_entity(mpd_state->conn)) != NULL) {
song = mpd_entity_get_song(entity);
PUT_SONG_TAGS();
mpd_entity_free(entity);
mpd_response_finish(mpd_state->conn);
}
len += json_printf(&out, "}");
}
current = current->next;
}
len += json_printf(&out, "], totalEntities: %d, offset: %d, returnedEntities: %d}",
entity_count,
offset,
entities_returned
);
CHECK_RETURN_LEN();
}
static int mpd_client_put_queue(t_config *config, t_mpd_state *mpd_state, char *buffer, unsigned int offset) {
struct mpd_entity *entity;
int totalTime = 0;
unsigned entity_count = 0;
unsigned entities_returned = 0;
size_t len;
struct json_out out = JSON_OUT_BUF(buffer, MAX_SIZE);
struct mpd_status *status = mpd_run_status(mpd_state->conn);
if (!status)
RETURN_ERROR_AND_RECOVER("mpd_run_status");
if (!mpd_send_list_queue_range_meta(mpd_state->conn, offset, offset + config->max_elements_per_page))
RETURN_ERROR_AND_RECOVER("mpd_send_list_queue_meta");
len = json_printf(&out, "{type: queue, data: [");
while ((entity = mpd_recv_entity(mpd_state->conn)) != NULL) {
const struct mpd_song *song;
unsigned int drtn;
if (mpd_entity_get_type(entity) == MPD_ENTITY_TYPE_SONG) {
song = mpd_entity_get_song(entity);
drtn = mpd_song_get_duration(song);
totalTime += drtn;
entity_count++;
if (entities_returned++)
len += json_printf(&out, ",");
len += json_printf(&out, "{id: %d, Pos: %d, ",
mpd_song_get_id(song),
mpd_song_get_pos(song)
);
PUT_SONG_TAGS();
len += json_printf(&out, "}");
}
mpd_entity_free(entity);
}
len += json_printf(&out, "], totalTime: %d, totalEntities: %d, offset: %d, returnedEntities: %d, queue_version: %d}",
totalTime,
mpd_status_get_queue_length(status),
offset,
entities_returned,
mpd_status_get_queue_version(status)
);
mpd_state->queue_version = mpd_status_get_queue_version(status);
mpd_state->queue_length = mpd_status_get_queue_length(status);
mpd_status_free(status);
CHECK_RETURN_LEN();
}
static int mpd_client_put_browse(t_config *config, t_mpd_state *mpd_state, char *buffer, const char *path, const unsigned int offset, const char *filter) {
struct mpd_entity *entity;
unsigned entity_count = 0;
unsigned entities_returned = 0;
const char *entityName;
char smartpls_file[400];
bool smartpls;
size_t len = 0;
struct json_out out = JSON_OUT_BUF(buffer, MAX_SIZE);
if (!mpd_send_list_meta(mpd_state->conn, path))
RETURN_ERROR_AND_RECOVER("mpd_send_list_meta");
len = json_printf(&out, "{type: browse, data: [");
while ((entity = mpd_recv_entity(mpd_state->conn)) != NULL) {
entity_count++;
if (entity_count > offset && entity_count <= offset + config->max_elements_per_page) {
switch (mpd_entity_get_type(entity)) {
case MPD_ENTITY_TYPE_UNKNOWN: {
entity_count--;
break;
}
case MPD_ENTITY_TYPE_SONG: {
const struct mpd_song *song = mpd_entity_get_song(entity);
entityName = mpd_client_get_tag(song, MPD_TAG_TITLE);
if (strncmp(filter, "-", 1) == 0 || strncasecmp(filter, entityName, 1) == 0 ||
(strncmp(filter, "0", 1) == 0 && isalpha(*entityName) == 0 ))
{
if (entities_returned++)
len += json_printf(&out, ",");
len += json_printf(&out, "{Type: song, ");
PUT_SONG_TAGS();
len += json_printf(&out, "}");
}
else {
entity_count--;
}
break;
}
case MPD_ENTITY_TYPE_DIRECTORY: {
const struct mpd_directory *dir = mpd_entity_get_directory(entity);
entityName = mpd_directory_get_path(dir);
char *dirName = strrchr(entityName, '/');
if (dirName != NULL) {
dirName++;
}
else {
dirName = (char *) entityName;
}
if (strncmp(filter, "-", 1) == 0 || strncasecmp(filter, dirName, 1) == 0 ||
(strncmp(filter, "0", 1) == 0 && isalpha(*dirName) == 0 ))
{
if (entities_returned++)
len += json_printf(&out, ",");
len += json_printf(&out, "{Type: dir, uri: %Q, name: %Q}",
entityName,
dirName
);
}
else {
entity_count--;
}
dirName = NULL;
break;
}
case MPD_ENTITY_TYPE_PLAYLIST: {
const struct mpd_playlist *pl = mpd_entity_get_playlist(entity);
entityName = mpd_playlist_get_path(pl);
char *plName = strrchr(entityName, '/');
if (plName != NULL) {
plName++;
} else {
plName = (char *) entityName;
}
if (strncmp(filter, "-", 1) == 0 || strncasecmp(filter, plName, 1) == 0 ||
(strncmp(filter, "0", 1) == 0 && isalpha(*plName) == 0 ))
{
if (entities_returned++) {
len += json_printf(&out, ",");
}
if (validate_string(plName) == true) {
snprintf(smartpls_file, 400, "%s/smartpls/%s", config->varlibdir, plName);
if (access(smartpls_file, F_OK ) != -1) {
smartpls = true;
}
else {
smartpls = false;
}
}
else {
smartpls = false;
}
len += json_printf(&out, "{Type: %Q, uri: %Q, name: %Q}",
(smartpls == true ? "smartpls" : "plist"),
entityName,
plName
);
} else {
entity_count--;
}
plName = NULL;
break;
}
}
}
mpd_entity_free(entity);
}
if (mpd_connection_get_error(mpd_state->conn) != MPD_ERROR_SUCCESS || !mpd_response_finish(mpd_state->conn)) {
printf("MPD mpd_send_list_meta: %s\n", mpd_connection_get_error_message(mpd_state->conn));
mpd_state->conn_state = MPD_FAILURE;
return 0;
}
len += json_printf(&out, "], totalEntities: %d, offset: %d, returnedEntities: %d, filter: %Q}",
entity_count,
offset,
entities_returned,
filter
);
CHECK_RETURN_LEN();
}
static int mpd_client_put_db_tag(t_config *config, t_mpd_state *mpd_state, char *buffer, const unsigned int offset, const char *mpdtagtype, const char *mpdsearchtagtype, const char *searchstr, const char *filter) {
struct mpd_pair *pair;
unsigned entity_count = 0;
unsigned entities_returned = 0;
size_t len = 0;
struct json_out out = JSON_OUT_BUF(buffer, MAX_SIZE);
if (mpd_search_db_tags(mpd_state->conn, mpd_tag_name_parse(mpdtagtype)) == false)
RETURN_ERROR_AND_RECOVER("mpd_search_db_tags");
if (mpd_tag_name_parse(mpdsearchtagtype) != MPD_TAG_UNKNOWN) {
if (mpd_search_add_tag_constraint(mpd_state->conn, MPD_OPERATOR_DEFAULT, mpd_tag_name_parse(mpdsearchtagtype), searchstr) == false)
RETURN_ERROR_AND_RECOVER("mpd_search_add_tag_constraint");
}
if (mpd_search_commit(mpd_state->conn) == false)
RETURN_ERROR_AND_RECOVER("mpd_search_commit");
len = json_printf(&out, "{type: listDBtags, data: [");
while ((pair = mpd_recv_pair_tag(mpd_state->conn, mpd_tag_name_parse(mpdtagtype))) != NULL) {
entity_count++;
if (entity_count > offset && entity_count <= offset + config->max_elements_per_page) {
if (strcmp(pair->value, "") == 0) {
entity_count--;
}
else if (strncmp(filter, "-", 1) == 0 || strncasecmp(filter, pair->value, 1) == 0 ||
(strncmp(filter, "0", 1) == 0 && isalpha(*pair->value) == 0 )
) {
if (entities_returned++)
len += json_printf(&out, ", ");
len += json_printf(&out, "{type: %Q, value: %Q}",
mpdtagtype,
pair->value
);
} else {
entity_count--;
}
}
mpd_return_pair(mpd_state->conn, pair);
}
len += json_printf(&out, "], totalEntities: %d, offset: %d, returnedEntities: %d, "
"tagtype: %Q, searchtagtype: %Q, searchstr: %Q, filter: %Q}",
entity_count,
offset,
entities_returned,
mpdtagtype,
mpdsearchtagtype,
searchstr,
filter
);
CHECK_RETURN_LEN();
}
static int mpd_client_put_songs_in_album(t_config *config, t_mpd_state *mpd_state, char *buffer, const char *album, const char *search, const char *tag) {
struct mpd_song *song;
unsigned long entity_count = 0;
unsigned long entities_returned = 0;
size_t len = 0;
char cover[500] = "";
char *albumartist = NULL;
struct json_out out = JSON_OUT_BUF(buffer, MAX_SIZE);
if (mpd_search_db_songs(mpd_state->conn, true) == false)
RETURN_ERROR_AND_RECOVER("mpd_search_db_songs");
if (mpd_search_add_tag_constraint(mpd_state->conn, MPD_OPERATOR_DEFAULT, mpd_tag_name_parse(tag), search) == false)
RETURN_ERROR_AND_RECOVER("mpd_search_add_tag_constraint");
if (mpd_search_add_tag_constraint(mpd_state->conn, MPD_OPERATOR_DEFAULT, MPD_TAG_ALBUM, album) == false)
RETURN_ERROR_AND_RECOVER("mpd_search_add_tag_constraint");
if (mpd_search_commit(mpd_state->conn) == false)
RETURN_ERROR_AND_RECOVER("mpd_search_commit");
else {
len = json_printf(&out, "{type: listTitles, data: [");
while ((song = mpd_recv_song(mpd_state->conn)) != NULL) {
entity_count++;
if (entity_count <= config->max_elements_per_page) {
if (entities_returned++)
len += json_printf(&out, ", ");
else {
mpd_client_get_cover(config, mpd_state, mpd_song_get_uri(song), cover, 500);
char *value = mpd_client_get_tag(song, MPD_TAG_ALBUM_ARTIST);
if (value != NULL) {
albumartist = strdup(value);
}
}
len += json_printf(&out, "{Type: song, ");
PUT_SONG_TAGS();
len += json_printf(&out, "}");
}
mpd_song_free(song);
}
len += json_printf(&out, "], totalEntities: %d, returnedEntities: %d, Album: %Q, search: %Q, tag: %Q, cover: %Q, AlbumArtist: %Q}",
entity_count,
entities_returned,
album,
search,
tag,
cover,
(albumartist != NULL ? albumartist : "-")
);
}
if (albumartist != NULL)
free(albumartist);
CHECK_RETURN_LEN();
}
static int mpd_client_put_playlists(t_config *config, t_mpd_state *mpd_state, char *buffer, const unsigned int offset, const char *filter) {
struct mpd_playlist *pl;
unsigned entity_count = 0;
unsigned entities_returned = 0;
const char *plpath;
size_t len = 0;
bool smartpls;
char smartpls_file[400];
struct json_out out = JSON_OUT_BUF(buffer, MAX_SIZE);
if (mpd_send_list_playlists(mpd_state->conn) == false)
RETURN_ERROR_AND_RECOVER("mpd_send_lists_playlists");
len = json_printf(&out, "{type: playlists, data: [");
while ((pl = mpd_recv_playlist(mpd_state->conn)) != NULL) {
entity_count++;
if (entity_count > offset && entity_count <= offset + config->max_elements_per_page) {
plpath = mpd_playlist_get_path(pl);
if (strncmp(filter, "-", 1) == 0 || strncasecmp(filter, plpath, 1) == 0 ||
(strncmp(filter, "0", 1) == 0 && isalpha(*plpath) == 0 ))
{
if (entities_returned++)
len += json_printf(&out, ", ");
snprintf(smartpls_file, 400, "%s/smartpls/%s", config->varlibdir, plpath);
if (validate_string(plpath) == true) {
if (access(smartpls_file, F_OK ) != -1) {
smartpls = true;
}
else {
smartpls = false;
}
}
else {
smartpls = false;
}
len += json_printf(&out, "{Type: %Q, uri: %Q, name: %Q, last_modified: %d}",
(smartpls == true ? "smartpls" : "plist"),
plpath,
plpath,
mpd_playlist_get_last_modified(pl)
);
} else {
entity_count--;
}
}
mpd_playlist_free(pl);
}
len += json_printf(&out, "], totalEntities: %d, offset: %d, returnedEntities: %d}",
entity_count,
offset,
entities_returned
);
CHECK_RETURN_LEN();
}
static int mpd_client_put_playlist_list(t_config *config, t_mpd_state *mpd_state, char *buffer, const char *uri, const unsigned int offset, const char *filter) {
struct mpd_entity *entity;
unsigned entity_count = 0;
unsigned entities_returned = 0;
const char *entityName;
char smartpls_file[400];
bool smartpls;
size_t len = 0;
struct json_out out = JSON_OUT_BUF(buffer, MAX_SIZE);
if (mpd_send_list_playlist_meta(mpd_state->conn, uri) == false)
RETURN_ERROR_AND_RECOVER("mpd_send_list_meta");
len = json_printf(&out, "{type: playlist_detail, data: [");
while ((entity = mpd_recv_entity(mpd_state->conn)) != NULL) {
const struct mpd_song *song;
entity_count++;
if (entity_count > offset && entity_count <= offset + config->max_elements_per_page) {
song = mpd_entity_get_song(entity);
entityName = mpd_client_get_tag(song, MPD_TAG_TITLE);
if (strncmp(filter, "-", 1) == 0 || strncasecmp(filter, entityName, 1) == 0 ||
(strncmp(filter, "0", 1) == 0 && isalpha(*entityName) == 0))
{
if (entities_returned++)
len += json_printf(&out, ",");
len += json_printf(&out, "{Type: song, ");
PUT_SONG_TAGS();
len += json_printf(&out, ", Pos: %d", entity_count);
len += json_printf(&out, "}");
}
else {
entity_count--;
}
}
mpd_entity_free(entity);
}
smartpls = false;
if (validate_string(uri) == true) {
snprintf(smartpls_file, 400, "%s/smartpls/%s", config->varlibdir, uri);
if (access(smartpls_file, F_OK ) != -1) {
smartpls = true;
}
else {
smartpls = false;
}
}
len += json_printf(&out, "], totalEntities: %d, offset: %d, returnedEntities: %d, filter: %Q, uri: %Q, smartpls: %B}",
entity_count,
offset,
entities_returned,
filter,
uri,
smartpls
);
CHECK_RETURN_LEN();
}
static int mpd_client_search(t_config *config, t_mpd_state *mpd_state, char *buffer, const char *searchstr, const char *filter, const char *plist, const unsigned int offset) {
struct mpd_song *song;
unsigned entity_count = 0;
unsigned entities_returned = 0;
size_t len = 0;
struct json_out out = JSON_OUT_BUF(buffer, MAX_SIZE);
if (strcmp(plist, "") == 0) {
if (mpd_send_command(mpd_state->conn, "search", filter, searchstr, NULL) == false)
RETURN_ERROR_AND_RECOVER("mpd_search");
len = json_printf(&out, "{type: search, data: [");
}
else if (strcmp(plist, "queue") == 0) {
if (mpd_send_command(mpd_state->conn, "searchadd", filter, searchstr, NULL) == false)
RETURN_ERROR_AND_RECOVER("mpd_searchadd");
}
else {
if (mpd_send_command(mpd_state->conn, "searchaddpl", plist, filter, searchstr, NULL) == false)
RETURN_ERROR_AND_RECOVER("mpd_searchaddpl");
}
if (strcmp(plist, "") == 0) {
while ((song = mpd_recv_song(mpd_state->conn)) != NULL) {
entity_count++;
if (entity_count > offset && entity_count <= offset + config->max_elements_per_page) {
if (entities_returned++)
len += json_printf(&out, ", ");
len += json_printf(&out, "{Type: song, ");
PUT_SONG_TAGS();
len += json_printf(&out, "}");
}
mpd_song_free(song);
}
}
else
mpd_response_finish(mpd_state->conn);
if (strcmp(plist, "") == 0) {
len += json_printf(&out, "], totalEntities: %d, offset: %d, returnedEntities: %d, searchstr: %Q}",
entity_count,
offset,
entities_returned,
searchstr
);
}
else
len = json_printf(&out, "{type: result, data: ok}");
CHECK_RETURN_LEN();
}
static int mpd_client_search_adv(t_config *config, t_mpd_state *mpd_state, char *buffer, const char *expression, const char *sort, const bool sortdesc, const char *grouptag, const char *plist, const unsigned int offset) {
size_t len = 0;
struct json_out out = JSON_OUT_BUF(buffer, MAX_SIZE);
#if LIBMPDCLIENT_CHECK_VERSION(2, 17, 0)
struct mpd_song *song;
unsigned long entity_count = -1;
unsigned long entities_returned = 0;
if (strcmp(plist, "") == 0) {
if (mpd_search_db_songs(mpd_state->conn, false) == false)
RETURN_ERROR_AND_RECOVER("mpd_search_db_songs");
len = json_printf(&out, "{type: search, data: [");
}
else if (strcmp(plist, "queue") == 0) {
if (mpd_search_add_db_songs(mpd_state->conn, false) == false)
RETURN_ERROR_AND_RECOVER("mpd_search_add_db_songs");
}
else {
if (mpd_search_add_db_songs_to_playlist(mpd_state->conn, plist) == false)
RETURN_ERROR_AND_RECOVER("mpd_search_add_db_songs_to_playlist");
}
if (mpd_search_add_expression(mpd_state->conn, expression) == false)
RETURN_ERROR_AND_RECOVER("mpd_search_add_expression");
if (strcmp(plist, "") == 0) {
if (sort != NULL && strcmp(sort, "") != 0 && strcmp(sort, "-") != 0 && mpd_state->feat_tags == true) {
if (mpd_search_add_sort_name(mpd_state->conn, sort, sortdesc) == false)
RETURN_ERROR_AND_RECOVER("mpd_search_add_sort_name");
}
if (grouptag != NULL && strcmp(grouptag, "") != 0 && mpd_state->feat_tags == true) {
if (mpd_search_add_group_tag(mpd_state->conn, mpd_tag_name_parse(grouptag)) == false)
RETURN_ERROR_AND_RECOVER("mpd_search_add_group_tag");
}
if (mpd_search_add_window(mpd_state->conn, offset, offset + config->max_elements_per_page) == false)
RETURN_ERROR_AND_RECOVER("mpd_search_add_window");
}
if (mpd_search_commit(mpd_state->conn) == false)
RETURN_ERROR_AND_RECOVER("mpd_search_commit");
if (strcmp(plist, "") == 0) {
while ((song = mpd_recv_song(mpd_state->conn)) != NULL) {
if (entities_returned++)
len += json_printf(&out, ", ");
len += json_printf(&out, "{Type: song, ");
PUT_SONG_TAGS();
len += json_printf(&out, "}");
mpd_song_free(song);
}
}
else {
mpd_response_finish(mpd_state->conn);
}
if (strcmp(plist, "") == 0) {
len += json_printf(&out, "], totalEntities: %d, offset: %d, returnedEntities: %d, expression: %Q, "
"sort: %Q, sortdesc: %B, grouptag: %Q}",
entity_count,
offset,
entities_returned,
expression,
sort,
sortdesc,
grouptag
);
}
else {
len = json_printf(&out, "{type: result, data: ok}");
}
#else
len = json_printf(&out, "{type: error, data: %Q}", "Advanced search is disabled.");
#endif
CHECK_RETURN_LEN();
}
static int mpd_client_queue_crop(t_mpd_state *mpd_state, char *buffer) {
size_t len = 0;
struct json_out out = JSON_OUT_BUF(buffer, MAX_SIZE);
struct mpd_status *status = mpd_run_status(mpd_state->conn);
const int length = mpd_status_get_queue_length(status) - 1;
int playing_song_pos = mpd_status_get_song_pos(status);
if (length < 1) {
len = json_printf(&out, "{type: error, data: %Q}", "A playlist longer than 1 song in length is required to crop.");
printf("A playlist longer than 1 song in length is required to crop.\n");
}
else if (mpd_status_get_state(status) == MPD_STATE_PLAY || mpd_status_get_state(status) == MPD_STATE_PAUSE) {
playing_song_pos++;
if (playing_song_pos < length)
mpd_run_delete_range(mpd_state->conn, playing_song_pos, -1);
playing_song_pos--;
if (playing_song_pos > 0 )
mpd_run_delete_range(mpd_state->conn, 0, playing_song_pos--);
len = json_printf(&out, "{type: result, data: ok}");
} else {
len = json_printf(&out, "{type: error, data: %Q}", "You need to be playing to crop the playlist");
printf("You need to be playing to crop the playlist\n");
}
mpd_status_free(status);
CHECK_RETURN_LEN();
}
static int mpd_client_search_queue(t_config *config, t_mpd_state *mpd_state, char *buffer, const char *mpdtagtype, const unsigned int offset, const char *searchstr) {
struct mpd_song *song;
unsigned entity_count = 0;
unsigned entities_returned = 0;
size_t len = 0;
struct json_out out = JSON_OUT_BUF(buffer, MAX_SIZE);
if (mpd_search_queue_songs(mpd_state->conn, false) == false) {
RETURN_ERROR_AND_RECOVER("mpd_search_queue_songs");
}
if (mpd_tag_name_parse(mpdtagtype) != MPD_TAG_UNKNOWN) {
if (mpd_search_add_tag_constraint(mpd_state->conn, MPD_OPERATOR_DEFAULT, mpd_tag_name_parse(mpdtagtype), searchstr) == false)
RETURN_ERROR_AND_RECOVER("mpd_search_add_tag_constraint");
}
else {
if (mpd_search_add_any_tag_constraint(mpd_state->conn, MPD_OPERATOR_DEFAULT, searchstr) == false)
RETURN_ERROR_AND_RECOVER("mpd_search_add_any_tag_constraint");
}
if (mpd_search_commit(mpd_state->conn) == false) {
RETURN_ERROR_AND_RECOVER("mpd_search_commit");
}
else {
len = json_printf(&out, "{type: queuesearch, data: [");
while ((song = mpd_recv_song(mpd_state->conn)) != NULL) {
entity_count++;
if (entity_count > offset && entity_count <= offset + config->max_elements_per_page) {
if (entities_returned++)
len += json_printf(&out, ", ");
len += json_printf(&out, "{type: song, id: %d, Pos: %d, ",
mpd_song_get_id(song),
mpd_song_get_pos(song)
);
PUT_SONG_TAGS();
len += json_printf(&out, "}");
mpd_song_free(song);
}
}
len += json_printf(&out, "], totalEntities: %d, offset: %d, returnedEntities: %d, mpdtagtype: %Q}",
entity_count,
offset,
entities_returned,
mpdtagtype
);
}
CHECK_RETURN_LEN();
}
static int mpd_client_put_stats(t_mpd_state *mpd_state, char *buffer) {
struct mpd_stats *stats = mpd_run_stats(mpd_state->conn);
const unsigned *version = mpd_connection_get_server_version(mpd_state->conn);
size_t len = 0;
char mpd_version[20];
char libmpdclient_version[20];
struct json_out out = JSON_OUT_BUF(buffer, MAX_SIZE);
snprintf(mpd_version, 20, "%u.%u.%u", version[0], version[1], version[2]);
snprintf(libmpdclient_version, 20, "%i.%i.%i", LIBMPDCLIENT_MAJOR_VERSION, LIBMPDCLIENT_MINOR_VERSION, LIBMPDCLIENT_PATCH_VERSION);
if (stats == NULL) {
RETURN_ERROR_AND_RECOVER("mpd_run_stats");
}
len = json_printf(&out, "{type: mpdstats, data: {artists: %d, albums: %d, songs: %d, "
"playtime: %d, uptime: %d, dbUpdated: %d, dbPlaytime: %d, mympdVersion: %Q, mpdVersion: %Q, "
"libmpdclientVersion: %Q}}",
mpd_stats_get_number_of_artists(stats),
mpd_stats_get_number_of_albums(stats),
mpd_stats_get_number_of_songs(stats),
mpd_stats_get_play_time(stats),
mpd_stats_get_uptime(stats),
mpd_stats_get_db_update_time(stats),
mpd_stats_get_db_play_time(stats),
MYMPD_VERSION,
mpd_version,
libmpdclient_version
);
mpd_stats_free(stats);
CHECK_RETURN_LEN();
}
static void mpd_client_disconnect(t_config *config, t_mpd_state *mpd_state) {
mpd_state->conn_state = MPD_DISCONNECT;
if (mpd_state->conn != NULL) {
mpd_connection_free(mpd_state->conn);
}
}
static int mpd_client_smartpls_put(t_config *config, char *buffer, const char *playlist) {
char pl_file[400];
char *smartpltype;
char *p_charbuf1, *p_charbuf2;
int je, int_buf1;
size_t len = 0;
struct json_out out = JSON_OUT_BUF(buffer, MAX_SIZE);
if (validate_string(playlist) == false) {
len = json_printf(&out, "{type: error, data: %Q}}", "Can't read smart playlist file");
return len;
}
snprintf(pl_file, 400, "%s/smartpls/%s", config->varlibdir, playlist);
char *content = json_fread(pl_file);
if (content == NULL) {
len = json_printf(&out, "{type: error, data: %Q}}", "Can't read smart playlist file");
printf("Can't read smart playlist file: %s\n", pl_file);
return len;
}
je = json_scanf(content, strlen(content), "{type: %Q }", &smartpltype);
if (je == 1) {
if (strcmp(smartpltype, "sticker") == 0) {
je = json_scanf(content, strlen(content), "{sticker: %Q, maxentries: %d}", &p_charbuf1, &int_buf1);
if (je == 2) {
len = json_printf(&out, "{type: smartpls, data: {playlist: %Q, type: %Q, sticker: %Q, maxentries: %d}}",
playlist,
smartpltype,
p_charbuf1,
int_buf1);
free(p_charbuf1);
} else {
len = json_printf(&out, "{type: error, data: %Q]", "Can't parse smart playlist file");
printf("Can't parse smart playlist file: %s\n", pl_file);
}
}
else if (strcmp(smartpltype, "newest") == 0) {
je = json_scanf(content, strlen(content), "{timerange: %d}", &int_buf1);
if (je == 1) {
len = json_printf(&out, "{type: smartpls, data: {playlist: %Q, type: %Q, timerange: %d}}",
playlist,
smartpltype,
int_buf1);
} else {
len = json_printf(&out, "{type: error, data: %Q]", "Can't parse smart playlist file");
printf("Can't parse smart playlist file: %s\n", pl_file);
}
}
else if (strcmp(smartpltype, "search") == 0) {
je = json_scanf(content, strlen(content), "{tag: %Q, searchstr: %Q}", &p_charbuf1, &p_charbuf2);
if (je == 2) {
len = json_printf(&out, "{type: smartpls, data: {playlist: %Q, type: %Q, tag: %Q, searchstr: %Q}}",
playlist,
smartpltype,
p_charbuf1,
p_charbuf2);
free(p_charbuf1);
free(p_charbuf2);
} else {
len = json_printf(&out, "{type: error, data: %Q]", "Can't parse smart playlist file");
printf("Can't parse smart playlist file: %s\n", pl_file);
}
} else {
len = json_printf(&out, "{type: error, data: %Q}}", "Unknown smart playlist type");
printf("Unknown smart playlist type: %s\n", pl_file);
}
free(smartpltype);
} else {
len = json_printf(&out, "{type: error, data: %Q}}", "Unknown smart playlist type");
printf("Unknown smart playlist type: %s\n", pl_file);
}
free(content);
return len;
}
static bool mpd_client_smartpls_save(t_config *config, t_mpd_state *mpd_state, const char *smartpltype, const char *playlist, const char *tag, const char *searchstr, const int maxentries, const int timerange) {
char tmp_file[400];
char pl_file[400];
if (validate_string(playlist) == false) {
return false;
}
snprintf(tmp_file, 400, "%s/tmp/%s", config->varlibdir, playlist);
snprintf(pl_file, 400, "%s/smartpls/%s", config->varlibdir, playlist);
if (strcmp(smartpltype, "sticker") == 0) {
if (json_fprintf(tmp_file, "{type: %Q, sticker: %Q, maxentries: %d}", smartpltype, tag, maxentries) == -1) {
printf("Error creating file %s\n", tmp_file);
return false;
}
else if (rename(tmp_file, pl_file) == -1) {
printf("Error renaming file from %s to %s\n", tmp_file, pl_file);
return false;
}
else if (mpd_client_smartpls_update_sticker(mpd_state, playlist, tag, maxentries) == false) {
printf("Update of smart playlist %s failed.\n", playlist);
return false;
}
}
else if (strcmp(smartpltype, "newest") == 0) {
if (json_fprintf(tmp_file, "{type: %Q, timerange: %d}", smartpltype, timerange) == -1) {
printf("Error creating file %s\n", tmp_file);
return false;
}
else if (rename(tmp_file, pl_file) == -1) {
printf("Error renaming file from %s to %s\n", tmp_file, pl_file);
return false;
}
else if (mpd_client_smartpls_update_newest(config, mpd_state, playlist, timerange) == false) {
printf("Update of smart playlist %s failed.\n", playlist);
return false;
}
}
else if (strcmp(smartpltype, "search") == 0) {
if (json_fprintf(tmp_file, "{type: %Q, tag: %Q, searchstr: %Q}", smartpltype, tag, searchstr) == -1) {
printf("Error creating file %s\n", tmp_file);
return false;
}
else if (rename(tmp_file, pl_file) == -1) {
printf("Error renaming file from %s to %s\n", tmp_file, pl_file);
return false;
}
else if (mpd_client_smartpls_update_search(config, mpd_state, playlist, tag, searchstr) == false) {
printf("Update of smart playlist %s failed.\n", playlist);
return false;
}
}
return true;
}
static bool mpd_client_smartpls_update_all(t_config *config, t_mpd_state *mpd_state) {
DIR *dir;
struct dirent *ent;
char *smartpltype;
char filename[400];
char dirname[400];
int je;
char *p_charbuf1, *p_charbuf2;
int int_buf1;
if (mpd_state->feat_smartpls == false) {
return true;
}
snprintf(dirname, 400, "%s/smartpls", config->varlibdir);
if ((dir = opendir (dirname)) != NULL) {
while ((ent = readdir(dir)) != NULL) {
if (strncmp(ent->d_name, ".", 1) == 0)
continue;
snprintf(filename, 400, "%s/smartpls/%s", config->varlibdir, ent->d_name);
char *content = json_fread(filename);
if (content == NULL) {
printf("Cant read smart playlist file %s\n", filename);
continue;
}
je = json_scanf(content, strlen(content), "{type: %Q }", &smartpltype);
if (je != 1)
continue;
if (strcmp(smartpltype, "sticker") == 0) {
je = json_scanf(content, strlen(content), "{sticker: %Q, maxentries: %d}", &p_charbuf1, &int_buf1);
if (je == 2) {
if (mpd_client_smartpls_update_sticker(mpd_state, ent->d_name, p_charbuf1, int_buf1) == false) {
printf("Update of smart playlist %s failed.\n", ent->d_name);
}
free(p_charbuf1);
}
else {
printf("Can't parse smart playlist file %s\n", filename);
}
}
else if (strcmp(smartpltype, "newest") == 0) {
je = json_scanf(content, strlen(content), "{timerange: %d}", &int_buf1);
if (je == 1) {
if (mpd_client_smartpls_update_newest(config, mpd_state, ent->d_name, int_buf1) == false) {
printf("Update of smart playlist %s failed.\n", ent->d_name);
}
}
else {
printf("Can't parse smart playlist file %s\n", filename);
}
}
else if (strcmp(smartpltype, "search") == 0) {
je = json_scanf(content, strlen(content), "{tag: %Q, searchstr: %Q}", &p_charbuf1, &p_charbuf2);
if (je == 2) {
if (mpd_client_smartpls_update_search(config, mpd_state, ent->d_name, p_charbuf1, p_charbuf2) == false) {
printf("Update of smart playlist %s failed.\n", ent->d_name);
}
free(p_charbuf1);
free(p_charbuf2);
}
else {
printf("Can't parse smart playlist file %s\n", filename);
}
}
free(smartpltype);
free(content);
}
closedir (dir);
} else {
printf("Can't open smart playlist directory %s\n", dirname);
return false;
}
return true;
}
static bool mpd_client_smartpls_clear(t_mpd_state *mpd_state, const char *playlist) {
struct mpd_playlist *pl;
const char *plpath;
bool exists = false;
if (mpd_send_list_playlists(mpd_state->conn) == false) {
LOG_ERROR_AND_RECOVER("mpd_send_list_playlists");
return 1;
}
while ((pl = mpd_recv_playlist(mpd_state->conn)) != NULL) {
plpath = mpd_playlist_get_path(pl);
if (strcmp(playlist, plpath) == 0)
exists = true;
mpd_playlist_free(pl);
if (exists == true) {
break;
}
}
mpd_response_finish(mpd_state->conn);
if (exists) {
if (mpd_run_rm(mpd_state->conn, playlist) == false) {
LOG_ERROR_AND_RECOVER("mpd_run_rm");
return false;
}
}
return true;
}
static bool mpd_client_smartpls_update_search(t_config *config, t_mpd_state *mpd_state, const char *playlist, const char *tag, const char *searchstr) {
char buffer[MAX_SIZE];
mpd_client_smartpls_clear(mpd_state, playlist);
if (mpd_state->feat_advsearch == true && strcmp(tag, "expression") == 0) {
mpd_client_search_adv(config, mpd_state, buffer, searchstr, NULL, true, NULL, playlist, 0);
}
else {
mpd_client_search(config, mpd_state, buffer, searchstr, tag, playlist, 0);
}
LOG_INFO() printf("Updated smart playlist %s\n", playlist);
return true;
}
static bool mpd_client_smartpls_update_sticker(t_mpd_state *mpd_state, const char *playlist, const char *sticker, const int maxentries) {
struct mpd_pair *pair;
char *uri = NULL;
const char *p_value;
char *crap;
long value;
long value_max = 0;
long i = 0;
size_t j;
if (mpd_send_sticker_find(mpd_state->conn, "song", "", sticker) == false) {
LOG_ERROR_AND_RECOVER("mpd_send_sticker_find");
return false;
}
struct list add_list;
list_init(&add_list);
while ((pair = mpd_recv_pair(mpd_state->conn)) != NULL) {
if (strcmp(pair->name, "file") == 0) {
if (uri != NULL) {
free(uri);
uri = NULL;
}
uri = strdup(pair->value);
}
else if (strcmp(pair->name, "sticker") == 0) {
p_value = mpd_parse_sticker(pair->value, &j);
if (p_value != NULL) {
value = strtol(p_value, &crap, 10);
if (value >= 1) {
list_push(&add_list, uri, value);
}
if (value > value_max) {
value_max = value;
}
}
}
mpd_return_pair(mpd_state->conn, pair);
}
mpd_response_finish(mpd_state->conn);
if (uri != NULL) {
free(uri);
uri = NULL;
}
mpd_client_smartpls_clear(mpd_state, playlist);
if (value_max > 2) {
value_max = value_max / 2;
}
list_sort_by_value(&add_list, false);
struct node *current = add_list.list;
while (current != NULL) {
if (current->value >= value_max) {
if (mpd_run_playlist_add(mpd_state->conn, playlist, current->data) == false) {
LOG_ERROR_AND_RECOVER("mpd_run_playlist_add");
list_free(&add_list);
return 1;
}
i++;
if (i >= maxentries)
break;
}
current = current->next;
}
list_free(&add_list);
LOG_INFO() printf("Updated smart playlist %s with %ld songs, minValue: %ld\n", playlist, i, value_max);
return true;
}
static bool mpd_client_smartpls_update_newest(t_config *config, t_mpd_state *mpd_state, const char *playlist, const int timerange) {
int value_max = 0;
char buffer[MAX_SIZE];
char searchstr[50];
struct mpd_stats *stats = mpd_run_stats(mpd_state->conn);
if (stats != NULL) {
value_max = mpd_stats_get_db_update_time(stats);
mpd_stats_free(stats);
}
else {
LOG_ERROR_AND_RECOVER("mpd_run_stats");
return false;
}
mpd_client_smartpls_clear(mpd_state, playlist);
value_max -= timerange;
if (value_max > 0) {
if (mpd_state->feat_advsearch == true) {
snprintf(searchstr, 50, "(modified-since '%d')", value_max);
mpd_client_search_adv(config, mpd_state, buffer, searchstr, NULL, true, NULL, playlist, 0);
}
else {
snprintf(searchstr, 20, "%d", value_max);
mpd_client_search(config, mpd_state, buffer, searchstr, "modified-since", playlist, 0);
}
LOG_INFO() printf("Updated smart playlist %s\n", playlist);
}
return true;
}
static int mpd_client_read_last_played(t_config *config, t_mpd_state *mpd_state) {
char cfgfile[400];
char *line = NULL;
char *data;
char *crap;
size_t n = 0;
ssize_t read;
long value;
snprintf(cfgfile, 400, "%s/state/last_played", config->varlibdir);
FILE *fp = fopen(cfgfile, "r");
if (fp == NULL) {
printf("Error opening %s\n", cfgfile);
return 0;
}
while ((read = getline(&line, &n, fp)) > 0) {
value = strtol(line, &data, 10);
if (strlen(data) > 2) {
data = data + 2;
strtok_r(data, "\n", &crap);
list_push(&mpd_state->last_played, data, value);
}
else {
printf("Error reading last_played line.\n");
}
}
fclose(fp);
free(line);
return mpd_state->last_played.length;;
}