/* MyH323_ExternalRTPChannel */
MyH323_ExternalRTPChannel::MyH323_ExternalRTPChannel(MyH323Connection & connection,
const H323Capability & capability,
Directions direction,
unsigned id)
: H323_ExternalRTPChannel::H323_ExternalRTPChannel(connection, capability, direction, id)
{
struct rtp_info *info;
/* Determine the Local (A side) IP Address and port */
info = on_external_rtp_create(connection.GetCallReference(), (const char *)connection.GetCallToken());
if (!info) {
cout << "\tERROR: on_external_rtp_create failure" << endl;
return;
} else {
/* Request our peer to send RTP packets to the same address we
* use for signalling. We rely on OpenH323 to determine this
* address. */
connection.GetSignallingChannel()->GetLocalAddress().GetIpAddress(localIpAddr);
localPort = info->port;
/* tell the H.323 stack */
SetExternalAddress(H323TransportAddress(localIpAddr, localPort), H323TransportAddress(localIpAddr, localPort + 1));
/* clean up allocated memory */
free(info);
}
/* Get the payload code */
OpalMediaFormat format(capability.GetFormatName(), FALSE);
payloadCode = format.GetPayloadType();
}
BOOL MyH323_ExternalRTPChannel::OnReceivedAckPDU(const H245_H2250LogicalChannelAckParameters & param)
{
PIPSocket::Address remoteIpAddress;
WORD remotePort;
MyH323Connection* conn = (MyH323Connection*) &connection;
if (h323debug)
cout << "\t=-= In OnReceivedAckPDU for call " << connection.GetCallReference() << endl;
if (H323_ExternalRTPChannel::OnReceivedAckPDU(param)) {
if (!connection.Lock()) {
ast_log(LOG_ERROR,"chan_h323: OnReceivedAckPDU: Could not obtain connection lock");
return FALSE;
}
/* if RTP hasn't been connected yet */
if (!conn->AST_RTP_Connected) {
H323_ExternalRTPChannel::GetRemoteAddress(remoteIpAddress, remotePort);
if (h323debug) {
cout << "\t\tRTP channel id " << sessionID << " parameters:" << endl;
cout << "\t\t-- remoteIpAddress: " << remoteIpAddress << endl;
cout << "\t\t-- remotePort: " << remotePort << endl;
cout << "\t\t-- ExternalIpAddress: " << conn->externalIpAddress << endl;
cout << "\t\t-- ExternalPort: " << conn->externalPort << endl;
}
/* Notify Asterisk of remote RTP information */
on_start_logical_channel(connection.GetCallReference(), (const char *)remoteIpAddress.AsString(), remotePort,
(const char *)conn->GetCallToken());
conn->AST_RTP_Connected = TRUE;
}
connection.Unlock();
return TRUE;
}
return FALSE;
}