/********************************************************************************
* TvCtrlPointCallbackEventHandler
*
* Description:
* The callback handler registered with the SDK while registering
* the control point. Detects the type of callback, and passes the
* request on to the appropriate function.
*
* Parameters:
* EventType -- The type of callback event
* Event -- Data structure containing event data
* Cookie -- Optional data specified during callback registration
*
********************************************************************************/
int TvCtrlPointCallbackEventHandler(Upnp_EventType EventType, const void *Event, void *Cookie)
{
int errCode = 0;
SampleUtil_PrintEvent(EventType, Event);
switch ( EventType ) {
/* SSDP Stuff */
case UPNP_DISCOVERY_ADVERTISEMENT_ALIVE:
case UPNP_DISCOVERY_SEARCH_RESULT: {
const UpnpDiscovery *d_event = (UpnpDiscovery *)Event;
IXML_Document *DescDoc = NULL;
const char *location = NULL;
int errCode = UpnpDiscovery_get_ErrCode(d_event);
if (errCode != UPNP_E_SUCCESS) {
SampleUtil_Print(
"Error in Discovery Callback -- %d\n", errCode);
}
location = UpnpString_get_String(UpnpDiscovery_get_Location(d_event));
errCode = UpnpDownloadXmlDoc(location, &DescDoc);
if (errCode != UPNP_E_SUCCESS) {
SampleUtil_Print(
"Error obtaining device description from %s -- error = %d\n",
location, errCode);
} else {
TvCtrlPointAddDevice(
DescDoc, location, UpnpDiscovery_get_Expires(d_event));
}
if (DescDoc) {
ixmlDocument_free(DescDoc);
}
TvCtrlPointPrintList();
break;
}
case UPNP_DISCOVERY_SEARCH_TIMEOUT:
/* Nothing to do here... */
break;
case UPNP_DISCOVERY_ADVERTISEMENT_BYEBYE: {
UpnpDiscovery *d_event = (UpnpDiscovery *)Event;
int errCode = UpnpDiscovery_get_ErrCode(d_event);
const char *deviceId = UpnpString_get_String(
UpnpDiscovery_get_DeviceID(d_event));
if (errCode != UPNP_E_SUCCESS) {
SampleUtil_Print(
"Error in Discovery ByeBye Callback -- %d\n", errCode);
}
SampleUtil_Print("Received ByeBye for Device: %s\n", deviceId);
TvCtrlPointRemoveDevice(deviceId);
SampleUtil_Print("After byebye:\n");
TvCtrlPointPrintList();
break;
}
/* SOAP Stuff */
case UPNP_CONTROL_ACTION_COMPLETE: {
UpnpActionComplete *a_event = (UpnpActionComplete *)Event;
int errCode = UpnpActionComplete_get_ErrCode(a_event);
if (errCode != UPNP_E_SUCCESS) {
SampleUtil_Print("Error in Action Complete Callback -- %d\n",
errCode);
}
/* No need for any processing here, just print out results.
* Service state table updates are handled by events. */
break;
}
case UPNP_CONTROL_GET_VAR_COMPLETE: {
UpnpStateVarComplete *sv_event = (UpnpStateVarComplete *)Event;
int errCode = UpnpStateVarComplete_get_ErrCode(sv_event);
if (errCode != UPNP_E_SUCCESS) {
SampleUtil_Print(
"Error in Get Var Complete Callback -- %d\n", errCode);
} else {
TvCtrlPointHandleGetVar(
UpnpString_get_String(UpnpStateVarComplete_get_CtrlUrl(sv_event)),
UpnpString_get_String(UpnpStateVarComplete_get_StateVarName(sv_event)),
UpnpStateVarComplete_get_CurrentVal(sv_event));
}
break;
}
/* GENA Stuff */
case UPNP_EVENT_RECEIVED: {
UpnpEvent *e_event = (UpnpEvent *)Event;
TvCtrlPointHandleEvent(
UpnpEvent_get_SID_cstr(e_event),
UpnpEvent_get_EventKey(e_event),
UpnpEvent_get_ChangedVariables(e_event));
break;
}
case UPNP_EVENT_SUBSCRIBE_COMPLETE:
case UPNP_EVENT_UNSUBSCRIBE_COMPLETE:
case UPNP_EVENT_RENEWAL_COMPLETE: {
UpnpEventSubscribe *es_event = (UpnpEventSubscribe *)Event;
errCode = UpnpEventSubscribe_get_ErrCode(es_event);
if (errCode != UPNP_E_SUCCESS) {
SampleUtil_Print(
"Error in Event Subscribe Callback -- %d\n", errCode);
} else {
TvCtrlPointHandleSubscribeUpdate(
UpnpString_get_String(UpnpEventSubscribe_get_PublisherUrl(es_event)),
UpnpString_get_String(UpnpEventSubscribe_get_SID(es_event)),
UpnpEventSubscribe_get_TimeOut(es_event));
}
break;
}
case UPNP_EVENT_AUTORENEWAL_FAILED:
case UPNP_EVENT_SUBSCRIPTION_EXPIRED: {
UpnpEventSubscribe *es_event = (UpnpEventSubscribe *)Event;
int TimeOut = default_timeout;
Upnp_SID newSID;
errCode = UpnpSubscribe(
ctrlpt_handle,
UpnpString_get_String(UpnpEventSubscribe_get_PublisherUrl(es_event)),
&TimeOut,
newSID);
if (errCode == UPNP_E_SUCCESS) {
SampleUtil_Print("Subscribed to EventURL with SID=%s\n", newSID);
TvCtrlPointHandleSubscribeUpdate(
UpnpString_get_String(UpnpEventSubscribe_get_PublisherUrl(es_event)),
newSID,
TimeOut);
} else {
SampleUtil_Print("Error Subscribing to EventURL -- %d\n", errCode);
}
break;
}
/* ignore these cases, since this is not a device */
case UPNP_EVENT_SUBSCRIPTION_REQUEST:
case UPNP_CONTROL_GET_VAR_REQUEST:
case UPNP_CONTROL_ACTION_REQUEST:
break;
}
return 0;
Cookie = Cookie;
}
/********************************************************************************
* TvCtrlPointCallbackEventHandler
*
* Description:
* The callback handler registered with the SDK while registering
* the control point. Detects the type of callback, and passes the
* request on to the appropriate function.
*
* Parameters:
* EventType -- The type of callback event
* Event -- Data structure containing event data
* Cookie -- Optional data specified during callback registration
*
********************************************************************************/
int
TvCtrlPointCallbackEventHandler( Upnp_EventType EventType,
void *Event,
void *Cookie )
{
SampleUtil_PrintEvent( EventType, Event );
switch ( EventType ) {
/*
SSDP Stuff
*/
case UPNP_DISCOVERY_ADVERTISEMENT_ALIVE:
case UPNP_DISCOVERY_SEARCH_RESULT:
{
struct Upnp_Discovery *d_event =
( struct Upnp_Discovery * )Event;
IXML_Document *DescDoc = NULL;
int ret;
if( d_event->ErrCode != UPNP_E_SUCCESS ) {
SampleUtil_Print( "Error in Discovery Callback -- %d",
d_event->ErrCode );
}
if( ( ret =
UpnpDownloadXmlDoc( d_event->Location,
&DescDoc ) ) !=
UPNP_E_SUCCESS ) {
SampleUtil_Print
( "Error obtaining device description from %s -- error = %d",
d_event->Location, ret );
} else {
TvCtrlPointAddDevice( DescDoc, d_event->Location,
d_event->Expires );
}
if( DescDoc )
ixmlDocument_free( DescDoc );
TvCtrlPointPrintList( );
break;
}
case UPNP_DISCOVERY_SEARCH_TIMEOUT:
/*
Nothing to do here...
*/
break;
case UPNP_DISCOVERY_ADVERTISEMENT_BYEBYE:
{
struct Upnp_Discovery *d_event =
( struct Upnp_Discovery * )Event;
if( d_event->ErrCode != UPNP_E_SUCCESS ) {
SampleUtil_Print
( "Error in Discovery ByeBye Callback -- %d",
d_event->ErrCode );
}
SampleUtil_Print( "Received ByeBye for Device: %s",
d_event->DeviceId );
TvCtrlPointRemoveDevice( d_event->DeviceId );
SampleUtil_Print( "After byebye:" );
TvCtrlPointPrintList( );
break;
}
/*
SOAP Stuff
*/
case UPNP_CONTROL_ACTION_COMPLETE:
{
struct Upnp_Action_Complete *a_event =
( struct Upnp_Action_Complete * )Event;
if( a_event->ErrCode != UPNP_E_SUCCESS ) {
SampleUtil_Print
( "Error in Action Complete Callback -- %d",
a_event->ErrCode );
}
/*
No need for any processing here, just print out results. Service state
table updates are handled by events.
*/
break;
}
case UPNP_CONTROL_GET_VAR_COMPLETE:
{
struct Upnp_State_Var_Complete *sv_event =
( struct Upnp_State_Var_Complete * )Event;
if( sv_event->ErrCode != UPNP_E_SUCCESS ) {
SampleUtil_Print
( "Error in Get Var Complete Callback -- %d",
sv_event->ErrCode );
} else {
TvCtrlPointHandleGetVar( sv_event->CtrlUrl,
sv_event->StateVarName,
sv_event->CurrentVal );
}
break;
}
/*
GENA Stuff
*/
case UPNP_EVENT_RECEIVED:
{
struct Upnp_Event *e_event = ( struct Upnp_Event * )Event;
TvCtrlPointHandleEvent( e_event->Sid, e_event->EventKey,
e_event->ChangedVariables );
break;
}
case UPNP_EVENT_SUBSCRIBE_COMPLETE:
case UPNP_EVENT_UNSUBSCRIBE_COMPLETE:
case UPNP_EVENT_RENEWAL_COMPLETE:
{
struct Upnp_Event_Subscribe *es_event =
( struct Upnp_Event_Subscribe * )Event;
if( es_event->ErrCode != UPNP_E_SUCCESS ) {
SampleUtil_Print
( "Error in Event Subscribe Callback -- %d",
es_event->ErrCode );
} else {
TvCtrlPointHandleSubscribeUpdate( es_event->
PublisherUrl,
es_event->Sid,
es_event->TimeOut );
}
break;
}
case UPNP_EVENT_AUTORENEWAL_FAILED:
case UPNP_EVENT_SUBSCRIPTION_EXPIRED:
{
int TimeOut = default_timeout;
Upnp_SID newSID;
int ret;
struct Upnp_Event_Subscribe *es_event =
( struct Upnp_Event_Subscribe * )Event;
ret =
UpnpSubscribe( ctrlpt_handle, es_event->PublisherUrl,
&TimeOut, newSID );
if( ret == UPNP_E_SUCCESS ) {
SampleUtil_Print( "Subscribed to EventURL with SID=%s",
newSID );
TvCtrlPointHandleSubscribeUpdate( es_event->
PublisherUrl, newSID,
TimeOut );
} else {
SampleUtil_Print
( "Error Subscribing to EventURL -- %d", ret );
}
break;
}
/*
ignore these cases, since this is not a device
*/
case UPNP_EVENT_SUBSCRIPTION_REQUEST:
case UPNP_CONTROL_GET_VAR_REQUEST:
case UPNP_CONTROL_ACTION_REQUEST:
break;
}
return 0;
}