/************************************************************************
* Function : genaRenewSubscription
*
* Parameters:
* IN UpnpClient_Handle client_handle: Client handle
* IN const Upnp_SID in_sid: subscription ID
* INOUT int * TimeOut: requested Duration, if -1, then "infinite".
* in the OUT case: actual Duration granted
* by Service, -1 for infinite
*
* Description:
* This function renews a SID. It first validates the SID and
* client_handle and copies the subscription. It sends RENEW
* (modified SUBSCRIBE) http request to service and processes
* the response.
*
* Returns: int
* return UPNP_E_SUCCESS if service response is OK else
* returns appropriate error
***************************************************************************/
int
genaRenewSubscription( IN UpnpClient_Handle client_handle,
IN const Upnp_SID in_sid,
INOUT int *TimeOut )
{
int return_code = GENA_SUCCESS;
client_subscription *sub;
client_subscription sub_copy;
struct Handle_Info *handle_info;
char *ActualSID;
ThreadPoolJob tempJob;
HandleLock( );
// validate handle and sid
if( GetHandleInfo( client_handle, &handle_info ) != HND_CLIENT ) {
HandleUnlock( );
return GENA_E_BAD_HANDLE;
}
if( ( sub = GetClientSubClientSID( handle_info->ClientSubList,
in_sid ) ) == NULL ) {
HandleUnlock( );
return GENA_E_BAD_SID;
}
// remove old events
if( TimerThreadRemove( &gTimerThread, sub->RenewEventId, &tempJob ) ==
0 ) {
free_upnp_timeout( ( upnp_timeout * ) tempJob.arg );
}
DBGONLY( UpnpPrintf( UPNP_INFO, GENA, __FILE__, __LINE__,
"REMOVED AUTO RENEW EVENT" ) );
sub->RenewEventId = -1;
return_code = copy_client_subscription( sub, &sub_copy );
HandleUnlock( );
if( return_code != HTTP_SUCCESS ) {
return return_code;
}
return_code = gena_subscribe( sub_copy.EventURL, TimeOut,
sub_copy.ActualSID, &ActualSID );
HandleLock( );
if( GetHandleInfo( client_handle, &handle_info ) != HND_CLIENT ) {
HandleUnlock( );
if( return_code == UPNP_E_SUCCESS ) {
free( ActualSID );
}
return GENA_E_BAD_HANDLE;
}
// we just called GetHandleInfo, so we don't check for return value
//GetHandleInfo(client_handle, &handle_info);
if( return_code != UPNP_E_SUCCESS ) {
// network failure (remove client sub)
RemoveClientSubClientSID( &handle_info->ClientSubList, in_sid );
free_client_subscription( &sub_copy );
HandleUnlock( );
return return_code;
}
// get subscription
if( ( sub = GetClientSubClientSID( handle_info->ClientSubList,
in_sid ) ) == NULL ) {
free( ActualSID );
free_client_subscription( &sub_copy );
HandleUnlock( );
return GENA_E_BAD_SID;
}
// store actual sid
free( sub->ActualSID );
sub->ActualSID = ActualSID;
// start renew subscription timer
return_code = ScheduleGenaAutoRenew( client_handle, *TimeOut, sub );
if( return_code != GENA_SUCCESS ) {
RemoveClientSubClientSID( &handle_info->ClientSubList, sub->sid );
}
free_client_subscription( &sub_copy );
HandleUnlock( );
return return_code;
}
int genaRenewSubscription(
UpnpClient_Handle client_handle,
const UpnpString *in_sid,
int *TimeOut)
{
int return_code = GENA_SUCCESS;
ClientSubscription *sub = NULL;
ClientSubscription *sub_copy = UpnpClientSubscription_new();
struct Handle_Info *handle_info;
UpnpString *ActualSID = UpnpString_new();
ThreadPoolJob tempJob;
HandleLock();
/* validate handle and sid */
if (GetHandleInfo(client_handle, &handle_info) != HND_CLIENT) {
HandleUnlock();
return_code = GENA_E_BAD_HANDLE;
goto exit_function;
}
sub = GetClientSubClientSID(handle_info->ClientSubList, in_sid);
if (sub == NULL) {
HandleUnlock();
return_code = GENA_E_BAD_SID;
goto exit_function;
}
/* remove old events */
if (TimerThreadRemove(
&gTimerThread,
UpnpClientSubscription_get_RenewEventId(sub),
&tempJob) == 0 ) {
free_upnp_timeout((upnp_timeout *)tempJob.arg);
}
UpnpPrintf(UPNP_INFO, GENA, __FILE__, __LINE__, "REMOVED AUTO RENEW EVENT");
UpnpClientSubscription_set_RenewEventId(sub, -1);
UpnpClientSubscription_assign(sub_copy, sub);
HandleUnlock();
return_code = gena_subscribe(
UpnpClientSubscription_get_EventURL(sub_copy),
TimeOut,
UpnpClientSubscription_get_ActualSID(sub_copy),
ActualSID);
HandleLock();
if (GetHandleInfo(client_handle, &handle_info) != HND_CLIENT) {
HandleUnlock();
return_code = GENA_E_BAD_HANDLE;
goto exit_function;
}
/* we just called GetHandleInfo, so we don't check for return value */
/*GetHandleInfo(client_handle, &handle_info); */
if (return_code != UPNP_E_SUCCESS) {
/* network failure (remove client sub) */
RemoveClientSubClientSID(&handle_info->ClientSubList, in_sid);
free_client_subscription(sub_copy);
HandleUnlock();
goto exit_function;
}
/* get subscription */
sub = GetClientSubClientSID(handle_info->ClientSubList, in_sid);
if (sub == NULL) {
free_client_subscription(sub_copy);
HandleUnlock();
return_code = GENA_E_BAD_SID;
goto exit_function;
}
/* store actual sid */
UpnpClientSubscription_set_ActualSID(sub, ActualSID);
/* start renew subscription timer */
return_code = ScheduleGenaAutoRenew(client_handle, *TimeOut, sub);
if (return_code != GENA_SUCCESS) {
RemoveClientSubClientSID(
&handle_info->ClientSubList,
UpnpClientSubscription_get_SID(sub));
}
free_client_subscription(sub_copy);
HandleUnlock();
exit_function:
UpnpString_delete(ActualSID);
UpnpClientSubscription_delete(sub_copy);
return return_code;
}
/************************************************************************
* Function : genaSubscribe
*
* Parameters:
* IN UpnpClient_Handle client_handle:
* IN char * PublisherURL: NULL Terminated, of the form :
* "http://134.134.156.80:4000/RedBulb/Event"
* INOUT int * TimeOut: requested Duration, if -1, then "infinite".
* in the OUT case: actual Duration granted
* by Service, -1 for infinite
* OUT Upnp_SID out_sid:sid of subscription, memory passed in by caller
*
* Description:
* This function subscribes to a PublisherURL ( also mentioned as EventURL
* some places). It sends SUBSCRIBE http request to service processes
* request. Finally adds a Subscription to
* the clients subscription list, if service responds with OK
*
* Returns: int
* return UPNP_E_SUCCESS if service response is OK else
* returns appropriate error
***************************************************************************/
int
genaSubscribe( IN UpnpClient_Handle client_handle,
IN char *PublisherURL,
INOUT int *TimeOut,
OUT Upnp_SID out_sid )
{
int return_code = GENA_SUCCESS;
client_subscription *newSubscription = NULL;
uuid_upnp uid;
Upnp_SID temp_sid;
char *ActualSID = NULL;
struct Handle_Info *handle_info;
char *EventURL = NULL;
DBGONLY( UpnpPrintf( UPNP_INFO, GENA, __FILE__, __LINE__,
"GENA SUBSCRIBE BEGIN" ) );
HandleLock( );
memset( out_sid, 0, sizeof( Upnp_SID ) );
// validate handle
if( GetHandleInfo( client_handle, &handle_info ) != HND_CLIENT ) {
HandleUnlock( );
return GENA_E_BAD_HANDLE;
}
HandleUnlock( );
// subscribe
SubscribeLock( );
return_code =
gena_subscribe( PublisherURL, TimeOut, NULL, &ActualSID );
HandleLock( );
if( return_code != UPNP_E_SUCCESS ) {
DBGONLY( UpnpPrintf( UPNP_CRITICAL, GENA, __FILE__, __LINE__,
"SUBSCRIBE FAILED in transfer error code: %d returned\n",
return_code ) );
goto error_handler;
}
if( GetHandleInfo( client_handle, &handle_info ) != HND_CLIENT ) {
return_code = GENA_E_BAD_HANDLE;
goto error_handler;
}
// generate client SID
uuid_create( &uid );
uuid_unpack( &uid, temp_sid );
sprintf( out_sid, "uuid:%s", temp_sid );
// create event url
EventURL = ( char * )malloc( strlen( PublisherURL ) + 1 );
if( EventURL == NULL ) {
return_code = UPNP_E_OUTOF_MEMORY;
goto error_handler;
}
strcpy( EventURL, PublisherURL );
// fill subscription
newSubscription =
( client_subscription * ) malloc( sizeof( client_subscription ) );
if( newSubscription == NULL ) {
return_code = UPNP_E_OUTOF_MEMORY;
goto error_handler;
}
newSubscription->EventURL = EventURL;
newSubscription->ActualSID = ActualSID;
strcpy( newSubscription->sid, out_sid );
newSubscription->RenewEventId = -1;
newSubscription->next = handle_info->ClientSubList;
handle_info->ClientSubList = newSubscription;
// schedule expiration event
return_code = ScheduleGenaAutoRenew( client_handle, *TimeOut,
newSubscription );
error_handler:
if( return_code != UPNP_E_SUCCESS ) {
free( ActualSID );
free( EventURL );
free( newSubscription );
}
HandleUnlock( );
SubscribeUnlock( );
return return_code;
}
int genaSubscribe(
UpnpClient_Handle client_handle,
const UpnpString *PublisherURL,
int *TimeOut,
UpnpString *out_sid)
{
int return_code = GENA_SUCCESS;
ClientSubscription *newSubscription = UpnpClientSubscription_new();
uuid_upnp uid;
Upnp_SID temp_sid;
Upnp_SID temp_sid2;
UpnpString *ActualSID = UpnpString_new();
UpnpString *EventURL = UpnpString_new();
struct Handle_Info *handle_info;
int rc = 0;
memset(temp_sid, 0, sizeof(temp_sid));
memset(temp_sid2, 0, sizeof(temp_sid2));
UpnpPrintf(UPNP_INFO, GENA, __FILE__, __LINE__, "GENA SUBSCRIBE BEGIN");
UpnpString_clear(out_sid);
HandleReadLock();
/* validate handle */
if (GetHandleInfo(client_handle, &handle_info) != HND_CLIENT) {
return_code = GENA_E_BAD_HANDLE;
SubscribeLock();
goto error_handler;
}
HandleUnlock();
/* subscribe */
SubscribeLock();
return_code = gena_subscribe(PublisherURL, TimeOut, NULL, ActualSID);
HandleLock();
if (return_code != UPNP_E_SUCCESS) {
UpnpPrintf( UPNP_CRITICAL, GENA, __FILE__, __LINE__,
"SUBSCRIBE FAILED in transfer error code: %d returned\n",
return_code );
goto error_handler;
}
if(GetHandleInfo(client_handle, &handle_info) != HND_CLIENT) {
return_code = GENA_E_BAD_HANDLE;
goto error_handler;
}
/* generate client SID */
uuid_create(&uid );
uuid_unpack(&uid, temp_sid);
rc = snprintf(temp_sid2, sizeof(temp_sid2), "uuid:%s", temp_sid);
if (rc < 0 || (unsigned int) rc >= sizeof(temp_sid2)) {
return_code = UPNP_E_OUTOF_MEMORY;
goto error_handler;
}
UpnpString_set_String(out_sid, temp_sid2);
/* create event url */
UpnpString_assign(EventURL, PublisherURL);
/* fill subscription */
if (newSubscription == NULL) {
return_code = UPNP_E_OUTOF_MEMORY;
goto error_handler;
}
UpnpClientSubscription_set_RenewEventId(newSubscription, -1);
UpnpClientSubscription_set_SID(newSubscription, out_sid);
UpnpClientSubscription_set_ActualSID(newSubscription, ActualSID);
UpnpClientSubscription_set_EventURL(newSubscription, EventURL);
UpnpClientSubscription_set_Next(newSubscription, handle_info->ClientSubList);
handle_info->ClientSubList = newSubscription;
/* schedule expiration event */
return_code = ScheduleGenaAutoRenew(client_handle, *TimeOut, newSubscription);
error_handler:
UpnpString_delete(ActualSID);
UpnpString_delete(EventURL);
if (return_code != UPNP_E_SUCCESS)
UpnpClientSubscription_delete(newSubscription);
HandleUnlock();
SubscribeUnlock();
return return_code;
}
