int upnp_append_variable(struct action_event *event,
int varnum, char *paramname)
{
char *value;
struct service *service = event->service;
int retval = -1;
ENTER();
if (varnum >= service->variable_count) {
upnp_set_error(event, UPNP_E_INTERNAL_ERROR,
"Internal Error - illegal variable number %d",
varnum);
goto out;
}
ithread_mutex_lock(service->service_mutex);
value = (char *) service->variable_values[varnum];
if (value == NULL) {
upnp_set_error(event, UPNP_E_INTERNAL_ERROR,
"Internal Error");
} else {
retval = upnp_add_response(event, paramname, value);
}
ithread_mutex_unlock(service->service_mutex);
out:
LEAVE();
return retval;
}
DBG_STATIC int xpause(struct action_event *event)
{
int rc = 0;
if (upnp_obtain_instanceid(event, NULL))
{
upnp_set_error(event, UPNP_TRANSPORT_E_INVALID_IID, "ID non-zero invalid");
return -1;
}
// Check MPD connection
if (check_mpd_connection(TRUE) == STATUS_FAIL)
return -1;
ithread_mutex_lock(&transport_mutex);
switch (transport_state)
{
case TRANSPORT_STOPPED:
break;
case TRANSPORT_PLAYING:
if (output_pause())
{
upnp_set_error(event, UPNP_TRANSPORT_E_NO_CONTENTS, "Player Pause failed");
rc = -1;
}
else
{
transport_state = TRANSPORT_PAUSED_PLAYBACK;
transport_change_var(event, TRANSPORT_VAR_TRANSPORT_STATE, "PAUSED_PLAYBACK");
}
break;
case TRANSPORT_PAUSED_PLAYBACK:
if (output_play())
{
upnp_set_error(event, UPNP_TRANSPORT_E_NO_CONTENTS, "Player Start failed");
rc = -1;
}
else
{
transport_state = TRANSPORT_PLAYING;
transport_change_var(event, TRANSPORT_VAR_TRANSPORT_STATE, "PLAYING");
}
break;
case TRANSPORT_TRANSITIONING:
case TRANSPORT_NO_MEDIA_PRESENT:
/* action not allowed in these states - error 701 */
upnp_set_error(event, UPNP_TRANSPORT_E_TRANSITION_NA, "Transition not allowed");
break;
}
ithread_mutex_unlock(&transport_mutex);
return rc;
}
static int play(struct action_event *event)
{
if (obtain_instanceid(event, NULL) < 0) {
return -1;
}
int rc = 0;
service_lock();
switch (transport_state_) {
// even if already playing, we must restart playback when Play
// action is executed. Kinsky, for example, would not send Stop
// when changing tracks and playback is already in progress -
// it will just set new URI, and send Play command
case TRANSPORT_PLAYING:
case TRANSPORT_STOPPED:
// If we were stopped before, we start a new song now. So just
// set the time to zero now; otherwise we will see the old
// value of the previous song until it updates some fractions
// of a second later.
replace_var(TRANSPORT_VAR_REL_TIME_POS, kZeroTime);
/* >>> fall through */
case TRANSPORT_PAUSED_PLAYBACK:
if (output_play(&inform_play_transition_from_output)) {
upnp_set_error(event, 704, "Playing failed");
rc = -1;
} else {
change_transport_state(TRANSPORT_PLAYING);
const char *av_uri = get_var(TRANSPORT_VAR_AV_URI);
const char *av_meta = get_var(TRANSPORT_VAR_AV_URI_META);
replace_current_uri_and_meta(av_uri, av_meta);
}
break;
case TRANSPORT_NO_MEDIA_PRESENT:
case TRANSPORT_TRANSITIONING:
case TRANSPORT_PAUSED_RECORDING:
case TRANSPORT_RECORDING:
/* action not allowed in these states - error 701 */
upnp_set_error(event, UPNP_TRANSPORT_E_TRANSITION_NA,
"Transition not allowed; allowed=%s",
get_var(TRANSPORT_VAR_CUR_TRANSPORT_ACTIONS));
rc = -1;
break;
}
service_unlock();
return rc;
}
DBG_STATIC int get_transport_info(struct action_event *event)
{
int rc = -1;
if (upnp_obtain_instanceid(event, NULL))
{
upnp_set_error(event, UPNP_TRANSPORT_E_INVALID_IID, "ID non-zero invalid");
//return -1;
}
rc = upnp_append_variable(event, TRANSPORT_VAR_TRANSPORT_STATE, "CurrentTransportState");
if (rc)
goto out;
rc = upnp_append_variable(event, TRANSPORT_VAR_TRANSPORT_STATUS, "CurrentTransportStatus");
if (rc)
goto out;
rc = upnp_append_variable(event, TRANSPORT_VAR_TRANSPORT_PLAY_SPEED, "CurrentSpeed");
if (rc)
goto out;
out:
return rc;
}
static int stop(struct action_event *event)
{
if (obtain_instanceid(event, NULL) < 0) {
return -1;
}
service_lock();
switch (transport_state_) {
case TRANSPORT_STOPPED:
// nothing to change.
break;
case TRANSPORT_PLAYING:
case TRANSPORT_TRANSITIONING:
case TRANSPORT_PAUSED_RECORDING:
case TRANSPORT_RECORDING:
case TRANSPORT_PAUSED_PLAYBACK:
output_stop();
change_transport_state(TRANSPORT_STOPPED);
break;
case TRANSPORT_NO_MEDIA_PRESENT:
/* action not allowed in these states - error 701 */
upnp_set_error(event, UPNP_TRANSPORT_E_TRANSITION_NA,
"Transition not allowed; allowed=%s",
get_var(TRANSPORT_VAR_CUR_TRANSPORT_ACTIONS));
break;
}
service_unlock();
return 0;
}
DBG_STATIC int set_avtransport_uri(struct action_event *event)
{
char *value;
int rc = 0;
if (upnp_obtain_instanceid(event, NULL))
{
upnp_set_error(event, UPNP_TRANSPORT_E_INVALID_IID, "ID non-zero invalid");
return -1;
}
value = upnp_get_string(event, "CurrentURI");
if (value == NULL)
return -1;
ithread_mutex_lock(&transport_mutex);
DBG_PRINT(DBG_LVL4, "%s: Set URI to '%s'\n", __FUNCTION__, value);
// do the work
output_set_uri(value);
transport_set_var(TRANSPORT_VAR_AV_URI, value);
free(value);
value = upnp_get_string(event, "CurrentURIMetaData");
if (value != NULL)
{
DBG_PRINT(DBG_LVL4, "%s: Set URI MetaData to '%s'\n", __FUNCTION__, value);
// First set new value so we may extract some information about
// the stream (Ex: track_duration)
transport_set_var(TRANSPORT_VAR_AV_URI_META, value);
free(value);
// Locate duration attribute in 'res' element under 'item'
value = (char *)transport_get_attr_metadata("duration");
if (value)
{
transport_set_var(TRANSPORT_VAR_CUR_TRACK_DUR, value);
free(value);
}
}
else
{
rc = -1;
}
transport_state = TRANSPORT_STOPPED;
transport_set_var(TRANSPORT_VAR_TRANSPORT_STATE, "STOPPED");
transport_notify_lastchange(event, transport_get_state_lastchange());
ithread_mutex_unlock(&transport_mutex);
return rc;
}
static int play(struct action_event *event)
{
int rc = 0;
ENTER();
if (obtain_instanceid(event, NULL)) {
LEAVE();
return -1;
}
service_lock();
switch (transport_state_) {
case TRANSPORT_PLAYING:
// For clients that didn't get it.
change_and_notify_transport(TRANSPORT_PLAYING);
// Set TransportPlaySpeed to '1'
break;
case TRANSPORT_STOPPED:
case TRANSPORT_PAUSED_PLAYBACK:
if (output_play(&inform_done_playing)) {
upnp_set_error(event, 704, "Playing failed");
rc = -1;
} else {
change_and_notify_transport(TRANSPORT_PLAYING);
}
// Set TransportPlaySpeed to '1'
break;
case TRANSPORT_NO_MEDIA_PRESENT:
case TRANSPORT_TRANSITIONING:
case TRANSPORT_PAUSED_RECORDING:
case TRANSPORT_RECORDING:
/* action not allowed in these states - error 701 */
upnp_set_error(event, UPNP_TRANSPORT_E_TRANSITION_NA,
"Transition not allowed");
rc = -1;
break;
}
service_unlock();
LEAVE();
return rc;
}
DBG_STATIC int xprevious(struct action_event *event)
{
if (upnp_obtain_instanceid(event, NULL))
{
upnp_set_error(event, UPNP_TRANSPORT_E_INVALID_IID, "ID non-zero invalid");
return -1;
}
// Check MPD connection
if (check_mpd_connection(TRUE) == STATUS_FAIL)
return -1;
if (output_prev())
{
upnp_set_error(event, UPNP_TRANSPORT_E_TRANSITION_NA, "Player Previous failed");
return -1;
}
return 0;
}
DBG_STATIC int get_position_info(struct action_event *event)
{
int rc = -1;
if (upnp_obtain_instanceid(event, NULL))
{
upnp_set_error(event, UPNP_TRANSPORT_E_INVALID_IID, "ID non-zero invalid");
return -1;
}
ithread_mutex_lock(&transport_mutex);
// Calls back into transport to set vars
output_update_position();
ithread_mutex_unlock(&transport_mutex);
rc = upnp_append_variable(event, TRANSPORT_VAR_CUR_TRACK, "Track");
if (rc)
goto out;
rc = upnp_append_variable(event, TRANSPORT_VAR_CUR_TRACK_DUR, "TrackDuration");
if (rc)
goto out;
rc = upnp_append_variable(event, TRANSPORT_VAR_CUR_TRACK_META, "TrackMetaData");
if (rc)
goto out;
rc = upnp_append_variable(event, TRANSPORT_VAR_CUR_TRACK_URI, "TrackURI");
if (rc)
goto out;
rc = upnp_append_variable(event, TRANSPORT_VAR_REL_TIME_POS, "RelTime");
if (rc)
goto out;
rc = upnp_append_variable(event, TRANSPORT_VAR_ABS_TIME_POS, "AbsTime");
if (rc)
goto out;
rc = upnp_append_variable(event, TRANSPORT_VAR_REL_CTR_POS, "RelCount");
if (rc)
goto out;
rc = upnp_append_variable(event, TRANSPORT_VAR_ABS_CTR_POS, "AbsCount");
if (rc)
goto out;
out:
return rc;
}
DBG_STATIC int xseek(struct action_event *event)
{
char *value, *mode;
int rc = 0;
if (upnp_obtain_instanceid(event, NULL))
{
upnp_set_error(event, UPNP_TRANSPORT_E_INVALID_IID, "ID non-zero invalid");
return -1;
}
mode = upnp_get_string(event, "Unit");
if (mode == NULL)
return -1;
value = upnp_get_string(event, "Target");
if (value == NULL)
{
free(mode);
return -1;
}
// Check MPD connection
if (check_mpd_connection(TRUE) == STATUS_FAIL)
return -1;
// Attempt to seek player (doesn't work for streams)
rc = output_seekto(mode, value);
free(mode);
free(value);
if (rc != 0)
{
upnp_set_error(event, UPNP_TRANSPORT_E_ILL_SEEKTARGET, "Player Seek failed");
return -1;
}
return rc;
}
static int pause_stream(struct action_event *event)
{
int rc = 0;
ENTER();
if (obtain_instanceid(event, NULL)) {
LEAVE();
return -1;
}
service_lock();
switch (transport_state_) {
case TRANSPORT_PAUSED_PLAYBACK:
// For clients that didn't get it.
change_and_notify_transport(TRANSPORT_PAUSED_PLAYBACK);
break;
case TRANSPORT_PLAYING:
if (output_pause()) {
upnp_set_error(event, 704, "Pause failed");
rc = -1;
} else {
change_and_notify_transport(TRANSPORT_PAUSED_PLAYBACK);
}
// Set TransportPlaySpeed to '1'
break;
default:
/* action not allowed in these states - error 701 */
upnp_set_error(event, UPNP_TRANSPORT_E_TRANSITION_NA,
"Transition not allowed");
rc = -1;
}
service_unlock();
LEAVE();
return rc;
}
static int get_media_info(struct action_event *event)
{
int rc = -1;
if (upnp_obtain_instanceid(event, NULL))
{
upnp_set_error(event, UPNP_TRANSPORT_E_INVALID_IID, "ID non-zero invalid");
return -1;
}
rc = upnp_append_variable(event, TRANSPORT_VAR_NR_TRACKS, "NrTracks");
if (rc)
goto out;
rc = upnp_append_variable(event, TRANSPORT_VAR_CUR_MEDIA_DUR, "MediaDuration");
if (rc)
goto out;
rc = upnp_append_variable(event, TRANSPORT_VAR_AV_URI, "CurrentURI");
if (rc)
goto out;
rc = upnp_append_variable(event, TRANSPORT_VAR_AV_URI_META, "CurrentURIMetaData");
if (rc)
goto out;
rc = upnp_append_variable(event, TRANSPORT_VAR_NEXT_AV_URI, "NextURI");
if (rc)
goto out;
rc = upnp_append_variable(event, TRANSPORT_VAR_NEXT_AV_URI_META, "NextURIMetaData");
if (rc)
goto out;
rc = upnp_append_variable(event, TRANSPORT_VAR_REC_MEDIA, "PlayMedium");
if (rc)
goto out;
rc = upnp_append_variable(event, TRANSPORT_VAR_REC_MEDIUM, "RecordMedium");
if (rc)
goto out;
rc = upnp_append_variable(event,
TRANSPORT_VAR_REC_MEDIUM_WR_STATUS,
"WriteStatus");
if (rc)
goto out;
out:
return rc;
}
static int obtain_instanceid(struct action_event *event, int *instance)
{
char *value = upnp_get_string(event, "InstanceID");
if (value == NULL) {
upnp_set_error(event, UPNP_SOAP_E_INVALID_ARGS,
"Missing InstanceID");
return -1;
}
free(value);
// TODO - parse value, and store in *instance, if instance!=NULL
return 0;
}
DBG_STATIC int get_device_caps(struct action_event *event)
{
int rc = 0;
if (upnp_obtain_instanceid(event, NULL))
{
upnp_set_error(event, UPNP_TRANSPORT_E_INVALID_IID, "ID non-zero invalid");
return -1;
}
// *** TODO: Add some information
return rc;
}
DBG_STATIC int xplaymode(struct action_event *event)
{
char *newmode;
int rc = 0;
if (upnp_obtain_instanceid(event, NULL))
{
upnp_set_error(event, UPNP_TRANSPORT_E_INVALID_IID, "ID non-zero invalid");
return -1;
}
newmode = upnp_get_string(event, "NewPlayMode");
DBG_PRINT(DBG_LVL4, "Set NewPlayMode: %s\n", newmode);
// Check MPD connection
if (check_mpd_connection(TRUE) == STATUS_FAIL)
return -1;
ithread_mutex_lock(&transport_mutex);
rc = output_playmode(newmode);
if (rc != 0)
{
free(newmode);
upnp_set_error(event, UPNP_TRANSPORT_E_PLAYMODE_NS, "Set playmode failed");
goto out;
}
transport_change_var(event, TRANSPORT_VAR_CUR_PLAY_MODE, newmode);
free(newmode);
out:
ithread_mutex_unlock(&transport_mutex);
return rc;
}
DBG_STATIC int get_transport_settings(struct action_event *event)
{
int rc = -1;
if (upnp_obtain_instanceid(event, NULL))
{
upnp_set_error(event, UPNP_TRANSPORT_E_INVALID_IID, "ID non-zero invalid");
return -1;
}
rc = upnp_append_variable(event, TRANSPORT_VAR_CUR_PLAY_MODE, "CurrentPlayMode");
if (rc)
goto out;
rc = upnp_append_variable(event, TRANSPORT_VAR_CUR_REC_QUAL_MODE, "CurrentRecordQualityMode");
if (rc)
goto out;
out:
return rc;
}
int upnp_append_variable(struct action_event *event,
int varnum, const char *paramname)
{
const char *value;
struct service *service = event->service;
int retval = -1;
//ENTER();
assert(event != NULL);
assert(paramname != NULL);
if (varnum >= service->variable_count) {
#ifdef HAVE_LIBUPNP
upnp_set_error(event, UPNP_E_INTERNAL_ERROR,
"Internal Error - illegal variable number %d",
varnum);
#endif
goto out;
}
#ifdef HAVE_LIBUPNP
ithread_mutex_lock(service->service_mutex);
#endif
#if 0
fprintf(stderr, "\tHZ: %s = '%s'\n", service->variable_names[varnum],
service->variable_values[varnum]);
#endif
value = service->variable_values[varnum];
assert(value != NULL);
retval = upnp_add_response(event, paramname, value);
#ifdef HAVE_LIBUPNP
ithread_mutex_unlock(service->service_mutex);
#endif
out:
//LEAVE();
return retval;
}
static int stop(struct action_event *event)
{
ENTER();
if (obtain_instanceid(event, NULL)) {
return -1;
}
service_lock();
switch (transport_state_) {
case TRANSPORT_STOPPED:
// For clients that didn't get it.
change_and_notify_transport(TRANSPORT_STOPPED);
break;
case TRANSPORT_PLAYING:
case TRANSPORT_TRANSITIONING:
case TRANSPORT_PAUSED_RECORDING:
case TRANSPORT_RECORDING:
case TRANSPORT_PAUSED_PLAYBACK:
output_stop();
change_and_notify_transport(TRANSPORT_STOPPED);
// Set TransportPlaySpeed to '1'
break;
case TRANSPORT_NO_MEDIA_PRESENT:
/* action not allowed in these states - error 701 */
upnp_set_error(event, UPNP_TRANSPORT_E_TRANSITION_NA,
"Transition not allowed");
break;
}
service_unlock();
LEAVE();
return 0;
}
static int obtain_instanceid(struct action_event *event, int *instance)
{
char *value;
int rc = 0;
ENTER();
value = upnp_get_string(event, "InstanceID");
if (value == NULL) {
#ifdef HAVE_LIBUPNP
upnp_set_error(event, UPNP_SOAP_E_INVALID_ARGS,
"Missing InstanceID");
#endif
return -1;
}
//printf("%s: InstanceID='%s'\n", __FUNCTION__, value);
free(value);
// TODO - parse value, and store in *instance, if instance!=NULL
LEAVE();
return rc;
}
