struct mpd_stats *
mpd_recv_stats(struct mpd_connection *connection)
{
struct mpd_stats * stats;
struct mpd_pair *pair;
assert(connection != NULL);
if (mpd_error_is_defined(&connection->error))
/* refuse to receive a response if the connection's
state is not clean */
return NULL;
stats = mpd_stats_begin();
if (stats == NULL) {
mpd_error_code(&connection->error, MPD_ERROR_OOM);
return NULL;
}
/* read and parse all response lines */
while ((pair = mpd_recv_pair(connection)) != NULL) {
mpd_stats_feed(stats, pair);
mpd_return_pair(connection, pair);
}
if (mpd_error_is_defined(&connection->error)) {
/* an error has occurred; roll back */
mpd_stats_free(stats);
return NULL;
}
return stats;
}
/*
* Retrieves status about the state of MPD.
*/
bool
Control::get_status()
{
mpd_status * status;
mpd_stats * stats;
EXIT_IDLE;
pms->log(MSG_DEBUG, 0, "Retrieving MPD status from server.\n");
if ((status = mpd_run_status(conn->h())) == NULL) {
/* FIXME: error handling? */
pms->log(MSG_DEBUG, 0, "mpd_run_status returned NULL pointer.\n");
delete _song;
_song = NULL;
st->song = MPD_SONG_NO_NUM;
st->songid = MPD_SONG_NO_ID;
return false;
}
st->assign_status(status);
mpd_status_free(status);
if ((stats = mpd_run_stats(conn->h())) == NULL) {
/* FIXME ? */
pms->log(MSG_DEBUG, 0, "mpd_run_stats returned NULL pointer.\n");
return false;
}
st->assign_stats(stats);
mpd_stats_free(stats);
return true;
}
void mpd_query_stats(struct mpd_connection *conn)
{
struct mpd_stats *stats;
if (!conn)
return;
if (!mpd_command_list_begin(conn, true) || !mpd_send_stats(conn) || !mpd_command_list_end(conn)) {
mpd_printerror("queue_commands");
return;
}
stats = mpd_recv_stats(conn);
if (stats == NULL) {
mpd_printerror("recv_stats");
return;
}
l_numberOfSongs = mpd_stats_get_number_of_songs(stats);
l_uptime = mpd_stats_get_uptime(stats);
l_playTime = mpd_stats_get_play_time(stats);
l_dbPlayTime = mpd_stats_get_db_play_time(stats);
mpd_stats_free(stats);
if (!mpd_response_finish(conn)) {
mpd_printerror("response_finish");
return;
}
}
int del_client(CLIENT_OBJECT *cli) {
mpd_stats_free(cli->stats);
if (cli->song)
mpd_song_free(cli->song);
mpd_status_free(cli->status);
mpd_connection_free(cli->conn);
free(cli);
return 0;
}
static int lmpdstats_gc(lua_State *L)
{
struct mpd_stats **stats;
stats = luaL_checkudata(L, 1, MPD_STATS_T);
if (*stats != NULL)
mpd_stats_free(*stats);
*stats = NULL;
return 0;
}
void get_random_song(struct mpd_connection *conn, char *str, char *path)
{
struct mpd_entity *entity;
int listened0 = 65000,
skipnum, numberofsongs = 0;
struct mpd_stats *stats = mpd_run_stats(conn);
if (stats == NULL)
return;
numberofsongs = mpd_stats_get_number_of_songs(stats);
mpd_stats_free(stats);
skipnum = rand() % numberofsongs;
syslog(LOG_DEBUG, "%s: path %s; number of songs: %i skip: %i\n",
__func__, path, numberofsongs, skipnum);
if (!mpd_send_list_all_meta(conn, ""))//path))
{
syslog(LOG_ERR, "%s: error: mpd_send_list_meta %s\n", __func__, path);
return;
}
while((entity = mpd_recv_entity(conn)) != NULL)
{
const struct mpd_song *song;
if (mpd_entity_get_type(entity) == MPD_ENTITY_TYPE_SONG)
{
if (skipnum-- > 0)
continue;
int listened;
song = mpd_entity_get_song(entity);
listened = db_get_song_numplayed(mpd_get_title(song),
mpd_get_artist(song));
if (listened < listened0) {
listened0 = listened;
syslog(LOG_DEBUG, "listened: %i ", listened);
int probability = 50 +
db_get_song_rating(mpd_get_title(song),
mpd_get_artist(song));
syslog(LOG_DEBUG, "probability: %i ", probability);
bool Yes = (rand() % 100) < probability;
if (Yes) {
sprintf(str, "%s", mpd_song_get_uri(song));
syslog(LOG_DEBUG, "uri: %s ", str);
syslog(LOG_DEBUG, "title: %s ", mpd_get_title(song));
syslog(LOG_DEBUG, "artist: %s", mpd_get_artist(song));
}
}
}
mpd_entity_free(entity);
}
}
int update_client(CLIENT_OBJECT *cli) {
mpd_status_free(cli->status);
cli->status = mpd_run_status(cli->conn);
if (cli->song)
mpd_song_free(cli->song);
cli->song = mpd_run_current_song(cli->conn);
mpd_stats_free(cli->stats);
cli->stats = mpd_run_stats(cli->conn);
return 0;
}
int
cmd_stats(gcc_unused int argc, gcc_unused char **argv, struct mpd_connection *conn)
{
struct mpd_stats *stats = mpd_run_stats(conn);
if (stats == NULL)
printErrorAndExit(conn);
printf("Artists: %6d\n", mpd_stats_get_number_of_artists(stats));
printf("Albums: %6d\n", mpd_stats_get_number_of_albums(stats));
printf("Songs: %6d\n", mpd_stats_get_number_of_songs(stats));
printf("\n");
printf("Play Time: %s\n", DHMS(mpd_stats_get_play_time(stats)));
printf("Uptime: %s\n", DHMS(mpd_stats_get_uptime(stats)));
time_t t = mpd_stats_get_db_update_time(stats);
printf("DB Updated: %s", ctime(&t)); /* no \n needed */
printf("DB Play Time: %s\n", DHMS(mpd_stats_get_db_play_time(stats)));
mpd_stats_free(stats);
return 0;
}
/*
* Returns: 0 - error; 1 - ok
*/
int mgr_mpd_fetch_status( struct mpd_connection *conn, int dump_status ) {
struct mpd_status *status;
struct mpd_stats *stats;
if (DEBUG > 1)
fprintf(stderr, "DEBUG: [mgr-thread] mpd: -status fetching...\n");
if (conn == NULL) {
fprintf(stderr, "ERROR: MPD: Unable to retrieve the MPD status: not connected\n");
return 0;
}
if (mpd_connection_get_error(conn) != MPD_ERROR_SUCCESS) {
fprintf(stderr, "ERROR: MPD: Unable to retrieve MPD status: connection error\n");
return 0;
}
if (DEBUG > 1)
fprintf(stderr, "DEBUG: [mgr-thread] mpd: run status\n");
status = mpd_run_status(conn);
if (!status) {
fprintf(stderr, "ERROR: MPD: Unable to retrieve MPD status\n");
return 0;
}
cur_mpd_player_status = mpd_status_get_state(status);
if (DEBUG > 1) {
fprintf(stderr, "DEBUG: [mgr-thread] mpd: +status received:\n");
}
if (DEBUG && dump_status) {
fprintf(stderr, "DEBUG: [mgr-thread] mpd status: => mode : %s\n", (cur_mpd_player_status == MPD_STATE_PLAY ? "Play" : "Other"));
fprintf(stderr, "DEBUG: [mgr-thread] mpd status: => random : %d\n", mpd_status_get_random(status));
fprintf(stderr, "DEBUG: [mgr-thread] mpd status: => repeat : %d\n", mpd_status_get_random(status));
fprintf(stderr, "DEBUG: [mgr-thread] mpd status: => volume : %d\n", mpd_status_get_volume(status));
fprintf(stderr, "DEBUG: [mgr-thread] mpd status: => queue ver : %d\n", mpd_status_get_queue_version(status));
fprintf(stderr, "DEBUG: [mgr-thread] mpd status: => queue len : %d\n", mpd_status_get_queue_length(status));
}
cur_mpd_random = mpd_status_get_random(status) ? 1 : 0;
cur_mpd_volume = mpd_status_get_volume(status);
cur_mpd_status_queue_len = mpd_status_get_queue_length(status);
if (DEBUG > 1)
fprintf(stderr, "DEBUG: [mgr-thread] mpd: release status\n");
if (mpd_status_get_error(status) != NULL) {
fprintf(stderr, "WARNING: MPD: Error Received from MPD: %s\n", mpd_status_get_error(status));
// TODO - clear error
}
mpd_status_free(status);
mpd_response_finish(conn);
stats = mpd_run_stats(conn);
if (stats == NULL) {
fprintf(stderr, "ERROR: MPD: Unable to retrieve MPD statistics\n");
return 0;
}
cur_mpd_stats_number_of_songs = mpd_stats_get_number_of_songs( stats );
if (DEBUG && dump_status) {
fprintf(stderr, "DEBUG: [mgr-thread] mpd stats : => # of songs: %d\n", cur_mpd_stats_number_of_songs);
}
mpd_stats_free( stats );
return 1;
}
void
CMPD::Update()
{
if(!_connected) {
iprintf("Reconnecting in 10 seconds.");
sleep(10);
if(Connect())
iprintf("%s", "Reconnected!");
else {
eprintf("%s", "Could not reconnect.");
return;
}
}
mpd_status *status = mpd_run_status(_conn);
mpd_stats *stats = mpd_run_stats(_conn);
if(status && stats) {
int newsongid = mpd_status_get_song_id(status);
int newsongpos = mpd_status_get_elapsed_time(status);
int curplaytime = mpd_stats_get_play_time(stats);
// new song
if(newsongid != _songid) {
_songid = newsongid;
_songpos = newsongpos;
_start = curplaytime;
mpd_song *song = mpd_run_current_song(_conn);
if(song) {
GotNewSong(song);
mpd_song_free(song);
}
}
// song playing
if(newsongpos != _songpos) {
_songpos = newsongpos;
CheckSubmit(curplaytime);
}
// check for client-to-client messages
if(mpd_send_read_messages(_conn)) {
mpd_message *msg;
while((msg = mpd_recv_message(_conn)) != NULL) {
const char *text = mpd_message_get_text(msg);
if(_gotsong && text && !strncmp(text, "love", 4))
AudioScrobbler->LoveTrack(_song);
mpd_message_free(msg);
}
mpd_response_finish(_conn);
}
mpd_status_free(status);
mpd_stats_free(stats);
}
else { // we have most likely lost our connection
eprintf("Could not query MPD server: %s", mpd_connection_get_error_message(_conn));
_connected = false;
}
}