int mpd_put_outputs(char *buffer, int names)
{
struct mpd_output *out;
int nout;
char *str, *strend;
str = buffer;
strend = buffer+MAX_SIZE;
str += snprintf(str, strend-str, "{\"type\":\"%s\", \"data\":{",
names ? "outputnames" : "outputs");
mpd_send_outputs(mpd.conn);
nout = 0;
while ((out = mpd_recv_output(mpd.conn)) != NULL) {
if (nout++)
*str++ = ',';
if (names)
str += snprintf(str, strend - str, " \"%d\":\"%s\"",
mpd_output_get_id(out), mpd_output_get_name(out));
else
str += snprintf(str, strend-str, " \"%d\":%d",
mpd_output_get_id(out), mpd_output_get_enabled(out));
mpd_output_free(out);
}
if (!mpd_response_finish(mpd.conn)) {
fprintf(stderr, "MPD outputs: %s\n", mpd_connection_get_error_message(mpd.conn));
mpd_connection_clear_error(mpd.conn);
return 0;
}
str += snprintf(str, strend-str, " }}");
return str-buffer;
}
static gboolean
lmc_reconnect(G_GNUC_UNUSED gpointer data)
{
const unsigned *version;
g_mpd = mpd_connection_new(g_host, g_port, 0);
if (mpd_connection_get_error(g_mpd) != MPD_ERROR_SUCCESS) {
lmc_failure();
return true;
}
idle_supported = mpd_connection_cmp_server_version(g_mpd, 0, 14, 0) >= 0;
version = mpd_connection_get_server_version(g_mpd);
char *name = connection_settings_name(g_mpd);
g_message("connected to mpd %i.%i.%i at %s\n",
version[0], version[1], version[2],
name);
g_free(name);
#if LIBMPDCLIENT_CHECK_VERSION(2,5,0)
subscribed = mpd_run_subscribe(g_mpd, "mpdscribble");
if (!subscribed && !mpd_connection_clear_error(g_mpd)) {
lmc_failure();
return true;
}
#endif
lmc_schedule_update();
reconnect_source_id = 0;
return false;
}
void Connection::checkErrors() const
{
mpd_error code = mpd_connection_get_error(m_connection.get());
if (code != MPD_ERROR_SUCCESS)
{
std::string msg = mpd_connection_get_error_message(m_connection.get());
if (code == MPD_ERROR_SERVER)
{
mpd_server_error server_code = mpd_connection_get_server_error(m_connection.get());
bool clearable = mpd_connection_clear_error(m_connection.get());
throw ServerError(server_code, msg, clearable);
}
else
{
bool clearable = mpd_connection_clear_error(m_connection.get());
throw ClientError(code, msg, clearable);
}
}
}
static gboolean
lmc_idle(G_GNUC_UNUSED GIOChannel *source,
G_GNUC_UNUSED GIOCondition condition,
G_GNUC_UNUSED gpointer data)
{
bool success;
enum mpd_idle idle;
assert(idle_source_id != 0);
assert(g_mpd != NULL);
assert(mpd_connection_get_error(g_mpd) == MPD_ERROR_SUCCESS);
idle_source_id = 0;
idle = mpd_recv_idle(g_mpd, false);
success = mpd_response_finish(g_mpd);
if (!success && mpd_connection_get_error(g_mpd) == MPD_ERROR_SERVER &&
mpd_connection_get_server_error(g_mpd) == MPD_SERVER_ERROR_UNKNOWN_CMD &&
mpd_connection_clear_error(g_mpd)) {
/* MPD does not recognize the "idle" command - disable
it for this connection */
g_message("MPD does not support the 'idle' command - "
"falling back to polling\n");
idle_supported = false;
lmc_schedule_update();
return false;
}
if (!success) {
lmc_failure();
lmc_schedule_reconnect();
return false;
}
#if LIBMPDCLIENT_CHECK_VERSION(2,5,0)
if (subscribed && (idle & MPD_IDLE_MESSAGE) != 0 &&
!lmc_read_messages()) {
lmc_failure();
lmc_schedule_reconnect();
return false;
}
#endif
if (idle & MPD_IDLE_PLAYER)
/* there was a change: query MPD */
lmc_schedule_update();
else
/* nothing interesting: re-enter idle */
lmc_schedule_idle();
return false;
}
static void mpd_report_error(void)
{
const gchar *error = mpd_connection_get_error_message(mpd.conn);
g_warning("MPD error: %s", error);
irc_say("MPD error: %s", error);
if (mpd_connection_clear_error(mpd.conn)) {
g_warning("Unable to recover, reconnecting");
mpd_disconnect();
mpd_schedule_reconnect();
}
}
static bool check_error(struct mpd_connection *client)
{
if (mpd_connection_get_error(client) != MPD_ERROR_SUCCESS) {
printf("Error: %s (Retry in 1 second...)\n",
mpd_connection_get_error_message(client));
if (!mpd_connection_clear_error(client)) {
mpd_connection_free(client);
sleep(1);
return true;
}
}
return (client == NULL);
}
bool check_error(struct mpd_connection *con, FILE *logfile, bool exit_on_failure)
{
if (mpd_connection_get_error(con) != MPD_ERROR_SUCCESS) {
if (logfile)
fprintf(logfile, "MPD error: %s\n", mpd_connection_get_error_message(con));
if (exit_on_failure || !mpd_connection_clear_error(con)) {
mpd_connection_free(con);
exit(EXIT_FAILURE);
}
return true;
}
return false;
}
static bool
lmc_read_messages(void)
{
assert(subscribed);
if (!mpd_send_read_messages(g_mpd))
return mpd_connection_clear_error(g_mpd);
struct mpd_message *msg;
while ((msg = mpd_recv_message(g_mpd)) != NULL) {
const char *text = mpd_message_get_text(msg);
if (strcmp(text, "love") == 0)
love = true;
else
g_message("Unrecognized client-to-client message: '%s'",
text);
mpd_message_free(msg);
}
return mpd_response_finish(g_mpd);
}
bool
path_prepare(struct mpd_connection *conn)
{
if (initialized)
return true;
initialized = true;
if (mpd_connection_cmp_server_version(conn, 0, 17, 0) < 0)
/* the "config" command was added in MPD 0.17.1 */
return true;
if (!mpd_send_command(conn, "config", NULL))
return false;
struct mpd_pair *pair = mpd_recv_pair_named(conn, "music_directory");
if (pair != NULL) {
music_directory = strdup(pair->value);
mpd_return_pair(conn, pair);
}
return mpd_response_finish(conn) || mpd_connection_clear_error(conn);
}
bool mpd_is_in_queue(const char *uri)
{
bool res = false;
struct mpd_entity *entity;
struct mpd_connection *conn = mpd_connection_new(NULL, NULL, 3000);
if (conn == NULL) {
syslog(LOG_ERR, "%s - Out of memory.", __func__);
goto DONE;
}
if (mpd_connection_get_error(conn) != MPD_ERROR_SUCCESS) {
syslog(LOG_ERR, "%s - MPD connection: %s\n", __func__,
mpd_connection_get_error_message(conn));
goto DONE;
}
if (!mpd_send_list_queue_meta(conn)) {
syslog(LOG_ERR, "%s: %s", __func__, mpd_connection_get_error_message(conn));
mpd_connection_clear_error(conn);
goto DONE;
}
while((entity = mpd_recv_entity(conn)) != NULL) {
const struct mpd_song *song;
if(mpd_entity_get_type(entity) == MPD_ENTITY_TYPE_SONG && !res) {
song = mpd_entity_get_song(entity);
if (strcmp(mpd_song_get_uri(song), uri) == 0) {
syslog(LOG_INFO, "%s: %s is already in the queue", __func__, uri);
res = true;
}
}
mpd_entity_free(entity);
}
DONE:
if(conn != NULL)
mpd_connection_free(conn);
return res;
}
int callback_mpd(struct mg_connection *c)
{
enum mpd_cmd_ids cmd_id = get_cmd_id(c->content);
size_t n = 0;
unsigned int uint_buf, uint_buf_2;
int int_buf;
char *p_charbuf = NULL, *token;
if(cmd_id == -1)
return MG_TRUE;
if(mpd.conn_state != MPD_CONNECTED && cmd_id != MPD_API_SET_MPDHOST &&
cmd_id != MPD_API_GET_MPDHOST && cmd_id != MPD_API_SET_MPDPASS &&
cmd_id != MPD_API_GET_DIRBLEAPITOKEN)
return MG_TRUE;
switch(cmd_id)
{
case MPD_API_UPDATE_DB:
mpd_run_update(mpd.conn, NULL);
break;
case MPD_API_SET_PAUSE:
mpd_run_toggle_pause(mpd.conn);
break;
case MPD_API_SET_PREV:
mpd_run_previous(mpd.conn);
break;
case MPD_API_SET_NEXT:
mpd_run_next(mpd.conn);
break;
case MPD_API_SET_PLAY:
mpd_run_play(mpd.conn);
break;
case MPD_API_SET_STOP:
mpd_run_stop(mpd.conn);
break;
case MPD_API_RM_ALL:
mpd_run_clear(mpd.conn);
break;
case MPD_API_RM_TRACK:
if(sscanf(c->content, "MPD_API_RM_TRACK,%u", &uint_buf))
mpd_run_delete_id(mpd.conn, uint_buf);
break;
case MPD_API_PLAY_TRACK:
if(sscanf(c->content, "MPD_API_PLAY_TRACK,%u", &uint_buf))
mpd_run_play_id(mpd.conn, uint_buf);
break;
case MPD_API_TOGGLE_RANDOM:
if(sscanf(c->content, "MPD_API_TOGGLE_RANDOM,%u", &uint_buf))
mpd_run_random(mpd.conn, uint_buf);
break;
case MPD_API_TOGGLE_REPEAT:
if(sscanf(c->content, "MPD_API_TOGGLE_REPEAT,%u", &uint_buf))
mpd_run_repeat(mpd.conn, uint_buf);
break;
case MPD_API_TOGGLE_CONSUME:
if(sscanf(c->content, "MPD_API_TOGGLE_CONSUME,%u", &uint_buf))
mpd_run_consume(mpd.conn, uint_buf);
break;
case MPD_API_TOGGLE_SINGLE:
if(sscanf(c->content, "MPD_API_TOGGLE_SINGLE,%u", &uint_buf))
mpd_run_single(mpd.conn, uint_buf);
break;
case MPD_API_TOGGLE_CROSSFADE:
if(sscanf(c->content, "MPD_API_TOGGLE_CROSSFADE,%u", &uint_buf))
mpd_run_crossfade(mpd.conn, uint_buf);
break;
case MPD_API_GET_OUTPUTS:
mpd.buf_size = mpd_put_outputs(mpd.buf, 1);
c->callback_param = NULL;
mpd_notify_callback(c, MG_POLL);
break;
case MPD_API_TOGGLE_OUTPUT:
if (sscanf(c->content, "MPD_API_TOGGLE_OUTPUT,%u,%u", &uint_buf, &uint_buf_2)) {
if (uint_buf_2)
mpd_run_enable_output(mpd.conn, uint_buf);
else
mpd_run_disable_output(mpd.conn, uint_buf);
}
break;
case MPD_API_SET_VOLUME:
if(sscanf(c->content, "MPD_API_SET_VOLUME,%ud", &uint_buf) && uint_buf <= 100)
mpd_run_set_volume(mpd.conn, uint_buf);
break;
case MPD_API_SET_SEEK:
if(sscanf(c->content, "MPD_API_SET_SEEK,%u,%u", &uint_buf, &uint_buf_2))
mpd_run_seek_id(mpd.conn, uint_buf, uint_buf_2);
break;
case MPD_API_GET_QUEUE:
if(sscanf(c->content, "MPD_API_GET_QUEUE,%u", &uint_buf))
n = mpd_put_queue(mpd.buf, uint_buf);
break;
case MPD_API_GET_BROWSE:
p_charbuf = strdup(c->content);
if(strcmp(strtok(p_charbuf, ","), "MPD_API_GET_BROWSE"))
goto out_browse;
uint_buf = strtoul(strtok(NULL, ","), NULL, 10);
if((token = strtok(NULL, ",")) == NULL)
goto out_browse;
free(p_charbuf);
p_charbuf = strdup(c->content);
n = mpd_put_browse(mpd.buf, get_arg2(p_charbuf), uint_buf);
out_browse:
free(p_charbuf);
break;
case MPD_API_ADD_TRACK:
p_charbuf = strdup(c->content);
if(strcmp(strtok(p_charbuf, ","), "MPD_API_ADD_TRACK"))
goto out_add_track;
if((token = strtok(NULL, ",")) == NULL)
goto out_add_track;
free(p_charbuf);
p_charbuf = strdup(c->content);
mpd_run_add(mpd.conn, get_arg1(p_charbuf));
out_add_track:
free(p_charbuf);
break;
case MPD_API_ADD_PLAY_TRACK:
p_charbuf = strdup(c->content);
if(strcmp(strtok(p_charbuf, ","), "MPD_API_ADD_PLAY_TRACK"))
goto out_play_track;
if((token = strtok(NULL, ",")) == NULL)
goto out_play_track;
free(p_charbuf);
p_charbuf = strdup(c->content);
int_buf = mpd_run_add_id(mpd.conn, get_arg1(p_charbuf));
if(int_buf != -1)
mpd_run_play_id(mpd.conn, int_buf);
out_play_track:
free(p_charbuf);
break;
case MPD_API_ADD_PLAYLIST:
p_charbuf = strdup(c->content);
if(strcmp(strtok(p_charbuf, ","), "MPD_API_ADD_PLAYLIST"))
goto out_playlist;
if((token = strtok(NULL, ",")) == NULL)
goto out_playlist;
free(p_charbuf);
p_charbuf = strdup(c->content);
mpd_run_load(mpd.conn, get_arg1(p_charbuf));
out_playlist:
free(p_charbuf);
break;
case MPD_API_SAVE_QUEUE:
p_charbuf = strdup(c->content);
if(strcmp(strtok(p_charbuf, ","), "MPD_API_SAVE_QUEUE"))
goto out_save_queue;
if((token = strtok(NULL, ",")) == NULL)
goto out_save_queue;
free(p_charbuf);
p_charbuf = strdup(c->content);
mpd_run_save(mpd.conn, get_arg1(p_charbuf));
out_save_queue:
free(p_charbuf);
break;
case MPD_API_SEARCH:
p_charbuf = strdup(c->content);
if(strcmp(strtok(p_charbuf, ","), "MPD_API_SEARCH"))
goto out_search;
if((token = strtok(NULL, ",")) == NULL)
goto out_search;
free(p_charbuf);
p_charbuf = strdup(c->content);
n = mpd_search(mpd.buf, get_arg1(p_charbuf));
out_search:
free(p_charbuf);
break;
#ifdef WITH_MPD_HOST_CHANGE
/* Commands allowed when disconnected from MPD server */
case MPD_API_SET_MPDHOST:
int_buf = 0;
p_charbuf = strdup(c->content);
if(strcmp(strtok(p_charbuf, ","), "MPD_API_SET_MPDHOST"))
goto out_host_change;
if((int_buf = strtol(strtok(NULL, ","), NULL, 10)) <= 0)
goto out_host_change;
if((token = strtok(NULL, ",")) == NULL)
goto out_host_change;
strncpy(mpd.host, token, sizeof(mpd.host));
mpd.port = int_buf;
mpd.conn_state = MPD_RECONNECT;
free(p_charbuf);
return MG_TRUE;
out_host_change:
free(p_charbuf);
break;
case MPD_API_GET_MPDHOST:
n = snprintf(mpd.buf, MAX_SIZE, "{\"type\":\"mpdhost\", \"data\": "
"{\"host\" : \"%s\", \"port\": \"%d\", \"passwort_set\": %s}"
"}", mpd.host, mpd.port, mpd.password ? "true" : "false");
break;
case MPD_API_GET_DIRBLEAPITOKEN:
n = snprintf(mpd.buf, MAX_SIZE, "{\"type\":\"dirbleapitoken\", \""
"data\": \"%s\"}", dirble_api_token);
break;
case MPD_API_SET_MPDPASS:
p_charbuf = strdup(c->content);
if(strcmp(strtok(p_charbuf, ","), "MPD_API_SET_MPDPASS"))
goto out_set_pass;
if((token = strtok(NULL, ",")) == NULL)
goto out_set_pass;
if(mpd.password)
free(mpd.password);
mpd.password = strdup(token);
mpd.conn_state = MPD_RECONNECT;
free(p_charbuf);
return MG_TRUE;
out_set_pass:
free(p_charbuf);
break;
#endif
}
if(mpd.conn_state == MPD_CONNECTED && mpd_connection_get_error(mpd.conn) != MPD_ERROR_SUCCESS)
{
n = snprintf(mpd.buf, MAX_SIZE, "{\"type\":\"error\", \"data\": \"%s\"}",
mpd_connection_get_error_message(mpd.conn));
/* Try to recover error */
if (!mpd_connection_clear_error(mpd.conn))
mpd.conn_state = MPD_FAILURE;
}
if(n > 0)
mg_websocket_write(c, 1, mpd.buf, n);
return MG_TRUE;
}
/* Execute the given command. In fact, it just will ask MPD to do it.
* You will have to check the next "status" or "playlist" update (using the corresponding slot)
* to know if the command has really been executed.
*/
void Player::executeCmd(EMSPlayerCmd cmd)
{
bool waitResponse = true; /* Wait the responase by default */
bool error = false;
if (conn == NULL)
{
return;
}
/* Dispatch execution depending on the action */
switch (cmd.action)
{
case ACTION_ADD:
{
if(searchTrackInPlaylist(cmd.track) >= 0)
{
qDebug() << "Do not add track in the playlist as it already exist";
return;
}
QString filename = getMPDFilename(cmd.track);
mpd_send_add(conn, filename.toStdString().c_str());
break;
}
case ACTION_DEL:
{
int pos = searchTrackInPlaylist(cmd.track);
if (pos >= 0)
{
mpd_send_delete(conn, pos);
}
break;
}
case ACTION_DEL_ALL:
{
mpd_send_clear(conn);
break;
}
case ACTION_PLAY_POS:
{
mutex.lock();
int size = playlist.tracks.size();
mutex.unlock();
if (size <= 0 || cmd.uintValue >= (unsigned int)size)
{
qDebug() << "Asked to play a track after the end of the current playlist";
error = true;
break;
}
mpd_send_play_pos(conn, cmd.uintValue);
break;
}
case ACTION_PLAY_TRACK:
{
int position = searchTrackInPlaylist(cmd.track);
if (position < 0)
{
qDebug() << "Asked to play a track which is not in the current playlist";
error = true;
break;
}
mpd_send_play_pos(conn, position);
break;
}
case ACTION_PLAY:
{
mpd_send_play(conn);
break;
}
case ACTION_SEEK:
{
/* Get current position */
int songId = getCurrentPos();
if (songId >= 0)
{
mpd_send_seek_pos(conn, songId, cmd.uintValue);
}
break;
}
case ACTION_PAUSE:
{
mpd_send_pause(conn, true);
break;
}
case ACTION_TOGGLE:
{
mpd_send_toggle_pause(conn);
break;
}
case ACTION_STOP:
{
mpd_send_stop(conn);
break;
}
case ACTION_NEXT:
{
mpd_send_next(conn);
break;
}
case ACTION_PREV:
{
mpd_send_previous(conn);
break;
}
case ACTION_REPEAT:
{
mutex.lock();
bool repeatTmp = status.repeat;
mutex.unlock();
if (cmd.boolValue != repeatTmp)
{
mpd_send_repeat(conn, cmd.boolValue);
}
break;
}
case ACTION_RANDOM:
{
mutex.lock();
bool randomTmp = status.random;
mutex.unlock();
if (cmd.boolValue != randomTmp)
{
mpd_send_random(conn, cmd.boolValue);
}
break;
}
case ACTION_ENABLE_OUTPUT:
{
if (cmd.uintValue >= 1)
{
mpd_send_enable_output(conn, cmd.uintValue-1);
}
break;
}
case ACTION_DISABLE_OUTPUT:
{
if (cmd.uintValue >= 1)
{
mpd_send_disable_output(conn, cmd.uintValue-1);
}
break;
}
default:
{
qCritical() << "Unhandled action in the current command.";
waitResponse = false;
break;
}
}
if (waitResponse && !mpd_response_finish(conn))
{
error = true;
qCritical() << "MPD could not execute the current command.";
enum mpd_error errorMpd = mpd_connection_get_error(conn);
if (errorMpd == MPD_ERROR_SERVER ||
errorMpd == MPD_ERROR_ARGUMENT) /* Problem with the command */
{
QString errorMessage = QString::fromUtf8(mpd_connection_get_error_message(conn));
qCritical() << "Command error : " << errorMessage;
if (!mpd_connection_clear_error(conn))
{
qCritical() << "This error cannot be cleared, reconnecting...";
connectToMpd();
}
}
else if (errorMpd == MPD_ERROR_TIMEOUT ||
errorMpd == MPD_ERROR_RESOLVER ||
errorMpd == MPD_ERROR_MALFORMED ||
errorMpd == MPD_ERROR_CLOSED ) /* Assume there is a connection problem, try to reconnect... */
{
QString errorMessage = QString::fromUtf8(mpd_connection_get_error_message(conn));
qCritical() << "Connexion error : " << errorMessage;
qCritical() << "Reconnecting...";
connectToMpd();
mutex.lock();
queue.push_front(cmd);
mutex.unlock();
cmdAvailable.release(1);
}
}
/* Post-action depending on the command
* Do the minimum here as the whole status will be
* retrieve here. But for playlist ADD/DEL, we need to
* store the EMSTrack structure.
*/
if(!error)
{
switch (cmd.action)
{
case ACTION_ADD:
{
EMSPlaylist newPlaylist;
mutex.lock();
playlist.tracks.append(cmd.track);
newPlaylist = playlist;
mutex.unlock();
emit playlistChanged(newPlaylist);
break;
}
case ACTION_DEL:
{
int pos = searchTrackInPlaylist(cmd.track);
if (pos >= 0)
{
EMSPlaylist newPlaylist;
mutex.lock();
playlist.tracks.removeAt(pos);
newPlaylist = playlist;
mutex.unlock();
emit playlistChanged(newPlaylist);
}
break;
}
case ACTION_DEL_ALL:
{
EMSPlaylist newPlaylist;
mutex.lock();
playlist.tracks.clear();
newPlaylist = playlist;
mutex.unlock();
emit playlistChanged(newPlaylist);
break;
}
case ACTION_ENABLE_OUTPUT:
{
mutex.lock();
for(int i=0; i<outputs.size(); i++)
{
if (outputs.at(i).id_mpd == cmd.uintValue)
{
EMSSndCard card = outputs.at(i);
card.enabled = true;
outputs.replace(i, card);
}
}
emit outputsChanged(outputs);
mutex.unlock();
break;
}
case ACTION_DISABLE_OUTPUT:
{
mutex.lock();
for(int i=0; i<outputs.size(); i++)
{
if (outputs.at(i).id_mpd == cmd.uintValue)
{
EMSSndCard card = outputs.at(i);
card.enabled = false;
outputs.replace(i, card);
}
}
emit outputsChanged(outputs);
mutex.unlock();
break;
}
default:
break;
}
}
}
/* fetch a new db tree on root */
static int fetch_db_tree(DB_NODE **p_root,struct mpd_connection *conn)
{
if (*p_root)
return 1;
/* create root */
DB_NODE *root = (DB_NODE*)malloc(sizeof(DB_NODE));
root->type = DB_DIRECTORY;
/* use calloc for root->uri to ease free_db_tree() */
root->uri = (char *)calloc(2,sizeof(char));
strncpy(root->uri,"/",1);
root->rating = 0;
root->duration = 0;
root->p = NULL;
root->s = NULL;
root->c = NULL;
root->num_c = 0;
/* set top node */
DB_NODE *top = root;
if (!mpd_send_list_all_meta(conn,"/")) {
clear_or_exit_on_error(conn);
return 1;
}
/* add nodes recursively */
struct mpd_entity *entity;
while ((entity = mpd_recv_entity(conn))) {
DB_NODE *node = (DB_NODE*)malloc(sizeof(DB_NODE));
const char *name = NULL;
switch (mpd_entity_get_type(entity)) {
case MPD_ENTITY_TYPE_DIRECTORY:
node->type = DB_DIRECTORY;
name = mpd_directory_get_path(mpd_entity_get_directory(entity));
assert (name && strlen(name));
node->uri = (char *)calloc(strlen(name)+1,sizeof(char));
strncpy(node->uri,name,strlen(name));
node->rating = 0;
node->duration = 0;
break;
case MPD_ENTITY_TYPE_SONG:
node->type = DB_SONG;
name = mpd_song_get_uri(mpd_entity_get_song(entity));
assert (name && strlen(name));
node->uri = (char *)calloc(strlen(name)+1,sizeof(char));
strncpy(node->uri,name,strlen(name));
node->rating = 0;
node->duration = mpd_song_get_duration(mpd_entity_get_song(entity));
break;
case MPD_ENTITY_TYPE_PLAYLIST:
node->type = DB_PLAYLIST;
name = mpd_playlist_get_path(mpd_entity_get_playlist(entity));
assert (name && strlen(name));
node->uri = (char *)calloc(strlen(name)+1,sizeof(char));
strncpy(node->uri,name,strlen(name));
node->rating = 0;
node->duration = 0;
break;
case MPD_ENTITY_TYPE_UNKNOWN:
break;
}
/* backtrace top until it's parent of node */
while (top != root && !(strstr(node->uri,top->uri) && node->uri[strlen(top->uri)] == '/'))
top = top->p;
/* if current top already has chlidren */
if (top->c) {
DB_NODE *node2 = top->c;
/* find the last child */
while (node2->s)
node2 = node2->s;
node2->s = node;
node->p = node2->p;
node->p->num_c++;
} else {
top->c = node;
node->p = top;
node->p->num_c++;
}
/* no child, no next sibling */
node->c = NULL;
node->s = NULL;
node->num_c = 0;
/* update top node */
if (node->type == DB_DIRECTORY)
top = node;
mpd_entity_free(entity);
}
if (mpd_connection_get_error(conn) == MPD_ERROR_SUCCESS)
mpd_response_finish(conn);
else if (!mpd_connection_clear_error(conn))
exit_on_error(conn);
*p_root = root;
return 0;
}
int callback_mpd(struct mg_connection *c)
{
enum mpd_cmd_ids cmd_id = get_cmd_id(c->content);
size_t n = 0;
unsigned int uint_buf, uint_buf_2;
int int_buf;
char *p_charbuf = NULL;
if(cmd_id == -1)
return MG_CLIENT_CONTINUE;
if(mpd.conn_state != MPD_CONNECTED && cmd_id != MPD_API_SET_MPDHOST &&
cmd_id != MPD_API_GET_MPDHOST && cmd_id != MPD_API_SET_MPDPASS)
return MG_CLIENT_CONTINUE;
mpd_connection_set_timeout(mpd.conn, 10000);
switch(cmd_id)
{
case MPD_API_UPDATE_DB:
mpd_run_update(mpd.conn, NULL);
break;
case MPD_API_SET_PAUSE:
mpd_run_toggle_pause(mpd.conn);
break;
case MPD_API_SET_PREV:
mpd_run_previous(mpd.conn);
break;
case MPD_API_SET_NEXT:
mpd_run_next(mpd.conn);
break;
case MPD_API_SET_PLAY:
mpd_run_play(mpd.conn);
break;
case MPD_API_SET_STOP:
mpd_run_stop(mpd.conn);
break;
case MPD_API_RM_ALL:
mpd_run_clear(mpd.conn);
break;
case MPD_API_RM_TRACK:
if(sscanf(c->content, "MPD_API_RM_TRACK,%u", &uint_buf))
mpd_run_delete_id(mpd.conn, uint_buf);
break;
case MPD_API_PLAY_TRACK:
if(sscanf(c->content, "MPD_API_PLAY_TRACK,%u", &uint_buf))
mpd_run_play_id(mpd.conn, uint_buf);
break;
case MPD_API_TOGGLE_RANDOM:
if(sscanf(c->content, "MPD_API_TOGGLE_RANDOM,%u", &uint_buf))
mpd_run_random(mpd.conn, uint_buf);
break;
case MPD_API_TOGGLE_REPEAT:
if(sscanf(c->content, "MPD_API_TOGGLE_REPEAT,%u", &uint_buf))
mpd_run_repeat(mpd.conn, uint_buf);
break;
case MPD_API_TOGGLE_CONSUME:
if(sscanf(c->content, "MPD_API_TOGGLE_CONSUME,%u", &uint_buf))
mpd_run_consume(mpd.conn, uint_buf);
break;
case MPD_API_TOGGLE_SINGLE:
if(sscanf(c->content, "MPD_API_TOGGLE_SINGLE,%u", &uint_buf))
mpd_run_single(mpd.conn, uint_buf);
break;
case MPD_API_SET_VOLUME:
if(sscanf(c->content, "MPD_API_SET_VOLUME,%ud", &uint_buf) && uint_buf <= 100)
mpd_run_set_volume(mpd.conn, uint_buf);
break;
case MPD_API_SET_SEEK:
if(sscanf(c->content, "MPD_API_SET_SEEK,%u,%u", &uint_buf, &uint_buf_2))
mpd_run_seek_id(mpd.conn, uint_buf, uint_buf_2);
break;
case MPD_API_GET_QUEUE:
if(sscanf(c->content, "MPD_API_GET_QUEUE,%u", &uint_buf))
n = mpd_put_queue(mpd.buf, uint_buf);
break;
case MPD_API_GET_BROWSE:
if(sscanf(c->content, "MPD_API_GET_BROWSE,%u,%m[^\t\n]", &uint_buf, &p_charbuf) && p_charbuf != NULL)
{
n = mpd_put_browse(mpd.buf, p_charbuf, uint_buf);
free(p_charbuf);
}
break;
case MPD_API_ADD_TRACK:
if(sscanf(c->content, "MPD_API_ADD_TRACK,%m[^\t\n]", &p_charbuf) && p_charbuf != NULL)
{
mpd_run_add(mpd.conn, p_charbuf);
free(p_charbuf);
}
break;
case MPD_API_ADD_PLAY_TRACK:
if(sscanf(c->content, "MPD_API_ADD_PLAY_TRACK,%m[^\t\n]", &p_charbuf) && p_charbuf != NULL)
{
int_buf = mpd_run_add_id(mpd.conn, p_charbuf);
if(int_buf != -1)
mpd_run_play_id(mpd.conn, int_buf);
free(p_charbuf);
}
break;
case MPD_API_ADD_PLAYLIST:
if(sscanf(c->content, "MPD_API_ADD_PLAYLIST,%m[^\t\n]", &p_charbuf) && p_charbuf != NULL)
{
mpd_run_load(mpd.conn, p_charbuf);
free(p_charbuf);
}
break;
case MPD_API_SEARCH:
if(sscanf(c->content, "MPD_API_SEARCH,%m[^\t\n]", &p_charbuf) && p_charbuf != NULL)
{
n = mpd_search(mpd.buf, p_charbuf);
free(p_charbuf);
}
break;
#ifdef WITH_MPD_HOST_CHANGE
/* Commands allowed when disconnected from MPD server */
case MPD_API_SET_MPDHOST:
int_buf = 0;
if(sscanf(c->content, "MPD_API_SET_MPDHOST,%d,%m[^\t\n ]", &int_buf, &p_charbuf) &&
p_charbuf != NULL && int_buf > 0)
{
strncpy(mpd.host, p_charbuf, sizeof(mpd.host));
free(p_charbuf);
mpd.port = int_buf;
mpd.conn_state = MPD_RECONNECT;
return MG_CLIENT_CONTINUE;
}
break;
case MPD_API_GET_MPDHOST:
n = snprintf(mpd.buf, MAX_SIZE, "{\"type\":\"mpdhost\", \"data\": "
"{\"host\" : \"%s\", \"port\": \"%d\", \"passwort_set\": %s}"
"}", mpd.host, mpd.port, mpd.password ? "true" : "false");
break;
case MPD_API_SET_MPDPASS:
if(sscanf(c->content, "MPD_API_SET_MPDPASS,%m[^\t\n ]", &p_charbuf))
{
if(mpd.password)
free(mpd.password);
mpd.password = p_charbuf;
mpd.conn_state = MPD_RECONNECT;
return MG_CLIENT_CONTINUE;
}
break;
#endif
}
if(mpd.conn_state == MPD_CONNECTED && mpd_connection_get_error(mpd.conn) != MPD_ERROR_SUCCESS)
{
n = snprintf(mpd.buf, MAX_SIZE, "{\"type\":\"error\", \"data\": \"%s\"}",
mpd_connection_get_error_message(mpd.conn));
/* Try to recover error */
if (!mpd_connection_clear_error(mpd.conn))
mpd.conn_state = MPD_FAILURE;
}
if(n > 0)
mg_websocket_write(c, 1, mpd.buf, n);
return MG_CLIENT_CONTINUE;
}
/*
* Clears any error
*/
void
Control::clearerror()
{
mpd_connection_clear_error(conn->h());
}