// This will get called by the javascript in the Browser, to pass us offers
void Rendezvous_OnPost(SimpleRendezvousServer sender, SimpleRendezvousServerToken token, char* path, char* data, int dataLen)
{
printf(red"onpost\n"rst);
char *offer;
if (mConnection == NULL)
{
printf("The browser initiated the SDP offer, so we have to create a connection and set the offer\n");
mConnection = ILibWrapper_WebRTC_ConnectionFactory_CreateConnection(mConnectionFactory, &WebRTCConnectionSink, &WebRTCDataChannelSink, &WebRTCConnectionSendOkSink);
ILibWrapper_WebRTC_Connection_SetStunServers(mConnection, stunServerList, 9);
if (useStun==0)
{
printf("stun is null in on post\n");
offer = ILibWrapper_WebRTC_Connection_SetOffer(mConnection, data, dataLen, NULL);
SimpleRendezvousServer_Respond(sender, token, 1, offer, strlen(offer), ILibAsyncSocket_MemoryOwnership_CHAIN);
}
else
{
printf(red"We're freeing this, becuase we'll generate the offer in the candidate callback...\n"rst);
// The best way, is to return this offer, and update the candidate incrementally, but that is for another sample
ILibWrapper_WebRTC_Connection_SetUserData(mConnection, sender, token, NULL);
free(ILibWrapper_WebRTC_Connection_SetOffer(mConnection, data, dataLen, &CandidateSink));
}
}
else
{
printf("We inititiated the SDP exchange, so the browser is just giving us a response... Even tho, this will generate a counter-response\n");
// we don't need to send it back to the browser, so we'll just drop it.
data[dataLen] = 0;
printf("Setting Offer...\r\n");
free(ILibWrapper_WebRTC_Connection_SetOffer(mConnection, data, dataLen, NULL));
SimpleRendezvousServer_Respond(sender, token, 1, NULL, 0, ILibAsyncSocket_MemoryOwnership_STATIC);
}
}
int libwebrtc_set_offer( struct libwebrtc_connection* conn, const char* sdp ) {
ILibWrapper_WebRTC_Connection connection = (ILibWrapper_WebRTC_Connection)conn;
void* user_data = NULL;
libwebrtc_context* ctx = NULL;
ILibWrapper_WebRTC_Connection_GetUserData(connection, (void**)&ctx, NULL, &user_data);
assert( ctx != NULL );
// Microstack requires at least one candidate
std::string tmp;
if( strstr(sdp, "a=candidate") == NULL ) {
tmp = sdp;
tmp += "a=candidate:0 1 UDP 2128609534 0.0.0.0 0 typ host\n";
sdp = tmp.c_str();
}
char* offer = ILibWrapper_WebRTC_Connection_SetOffer(connection, (char*)sdp, strlen(sdp), &WebRTCOnIceCandidate);
if( offer == NULL )
return 0;
// always send this offer, as the callback will only send additianal candidates
ctx->callback(ctx, conn, NULL, LWRTC_CALLBACK_LOCAL_DESCRIPTION, user_data, offer, strlen(offer));
return 1;
}
void OnWebSocket(SimpleRendezvousServerToken sender, int InterruptFlag, struct packetheader *header, char *bodyBuffer,
int bodyBufferLen, SimpleRendezvousServer_WebSocket_DataTypes bodyBufferType, SimpleRendezvousServer_DoneFlag done)
{
printf(red"on websocket\n"rst);
if(done == SimpleRendezvousServer_DoneFlag_NotDone)
{
printf(yellow"We have the entire offer\n"rst);
char *offer;
if (mConnection == NULL)
{
printf(yellow"The browser initiated the SDP offer, so we have to create a connection and set the offer\n"rst);
mConnection = ILibWrapper_WebRTC_ConnectionFactory_CreateConnection(mConnectionFactory,
&WebRTCConnectionSink,
&WebRTCDataChannelSink,
&WebRTCConnectionSendOkSink);
ILibWrapper_WebRTC_Connection_SetStunServers(mConnection, stunServerList, 9);
if (useStun==0)
{
printf(red"stun is 0\n"rst);
offer = ILibWrapper_WebRTC_Connection_SetOffer(mConnection, bodyBuffer, bodyBufferLen, NULL);
SimpleRendezvousServer_WebSocket_Send(sender, SimpleRendezvousServer_WebSocket_DataType_TEXT, offer, strlen(offer), ILibAsyncSocket_MemoryOwnership_CHAIN, SimpleRendezvousServer_FragmentFlag_Complete);
}
else
{
printf(yellow"We're freeing this, becuase we'll generate the offer in the candidate callback...\n"rst);
// The best way, is to return this offer, and update the candidate incrementally, but that is for another sample
ILibWrapper_WebRTC_Connection_SetUserData(mConnection, NULL, sender, NULL);
free(ILibWrapper_WebRTC_Connection_SetOffer(mConnection, bodyBuffer, bodyBufferLen, &CandidateSink));
}
}
else
{
printf(yellow"We inititiated the SDP exchange, so the browser is just giving us a response... Even tho, this will generate a counter-response\n"rst);
// we don't need to send it back to the browser, so we'll just drop it.
printf(red"Setting Offer...\r\n"rst);
free(ILibWrapper_WebRTC_Connection_SetOffer(mConnection, bodyBuffer, bodyBufferLen, NULL));
}
}
}
int libwebrtc_set_answer( struct libwebrtc_connection* conn, const char* sdp ) {
ILibWrapper_WebRTC_Connection connection = (ILibWrapper_WebRTC_Connection)conn;
void* user_data = NULL;
libwebrtc_context* ctx = NULL;
ILibWrapper_WebRTC_Connection_GetUserData(connection, (void**)&ctx, NULL, &user_data);
assert( ctx != NULL );
// Microstack requires at least one candidate
std::string tmp;
if( strstr(sdp, "a=candidate") == NULL ) {
tmp = sdp;
tmp += "a=candidate:0 1 UDP 2128609534 0.0.0.0 0 typ host\n";
sdp = tmp.c_str();
}
char* offer = ILibWrapper_WebRTC_Connection_SetOffer(connection, (char*)sdp, strlen(sdp), NULL); // no CB as this is the answer
if( offer == NULL )
return 0;
return 1;
}
// Set an SDP Answer/Offer (WebRTC Receiver)
__declspec(dllexport) char* ILibWrapper_DLL_WebRTC_Connection_SetOffer(ILibWrapper_WebRTC_Connection connection, char* offer, int offerLen, ILibWrapper_WebRTC_OnConnectionCandidate onCandidates)
{
return(ILibWrapper_WebRTC_Connection_SetOffer(connection, offer, offerLen, onCandidates));
}
