public RTPMessageSender(IPEndPoint ep, PresenterModel model, ClassroomModel classroom)
{
this.m_Model = model;
this.m_Classroom = classroom;
this.m_RtpLocalParticipant = new RtpLocalParticipant(this.m_Model.Participant);
using(Synchronizer.Lock(this)) {
// Register the stream event listeners first, since otherwise there would be a chance
// that streams could be added between creating the RtpSession (which connects immediately).
this.m_ParticipantManager = new ParticipantManager(this);
this.m_RtpSession = new RtpSession(ep, this.m_RtpLocalParticipant, true, true);
// TODO: Choose a meaningful value for the RtpSender name.
ushort fec;
short interpacketdelay;
using (Synchronizer.Lock(model.SyncRoot)) {
using (Synchronizer.Lock(model.ViewerState.SyncRoot)) {
fec = (ushort)model.ViewerState.ForwardErrorCorrection;
interpacketdelay = (short)model.ViewerState.InterPacketDelay;
}
}
if( fec == 0 )
this.m_RtpSender = this.m_RtpSession.CreateRtpSender( "Classroom Presenter", PayloadType.dynamicPresentation, null );
else
this.m_RtpSender = this.m_RtpSession.CreateRtpSenderFec( "Classroom Presenter", PayloadType.dynamicPresentation, null, 0, fec );
this.m_RtpSender.DelayBetweenPackets = interpacketdelay;
// Initialize the message chunking utilities.
this.m_Encoder = new Chunk.ChunkEncoder();
// TODO: Make the buffer size dynamic, ie., grow if we send a single very large message.
// Make the buffer store up to 5MB worth of data.
this.m_FrameBuffer = new FrameBuffer(5 * 1024 * 1024 / this.m_Encoder.MaximumChunkSize);
// Create the NackManager which is responsible for sending NACKs on behalf of
// our set of RTPMessageReceivers.
this.m_NackManager = new RTPNackManager(this, this.m_Classroom);
}
// Create network services outside of the "lock(this)" so they can lock their own objects
// without worrying about locking order.
// Create the PresenterNetworkService which will watch for changes to the model and send messages.
this.m_PresenterNetworkService = new PresenterNetworkService(this, this.m_Model);
// Create the StudentSubmissionsNetworkService which will watch for requests to submit and send messages.
this.m_StudentSubmissionNetworkService = new StudentSubmissionNetworkService(this, this.m_Model);
// Create the SynchronizationNetworkService which will watch for all synchronization messages.
this.m_SynchronizationNetworkService = new SynchronizationNetworkService( this, this.m_Model );
// Create the ScriptingNetworkService which will watch for all scripting messages.
this.m_ScriptingNetworkService = new ScriptingNetworkService( this, this.m_Model );
// Create the BeaconService which will broadcast periodic information about the presentation.
this.m_BeaconService = new Beacons.DefaultBeaconService(this, this.m_Model);
}
public CXPCapabilityMessageSender(PresenterModel model, PresenterCapability capability)
{
this.m_Model = model;
this.m_LocalId = m_Model.Participant.Guid;
this.m_Classroom = new ClassroomModel(null, "CXP Capability Classroom", ClassroomModelType.CXPCapability);
this.m_Capability = capability;
this.m_Participants = new Dictionary<string, ParticipantModel>();
this.m_SsrcToSenderId = new Dictionary<uint, Guid>();
this.m_Receivers = new Dictionary<string, CXPCapabilityMessageReceiver>();
m_Capability.OnStreamAdded += new PresenterCapability.OnStreamAddedHandler(OnStreamAdded);
m_Capability.OnStreamRemoved +=new PresenterCapability.OnStreamRemovedHandler(OnStreamRemoved);
using(Synchronizer.Lock(this)) {
// Initialize the message chunking utilities.
this.m_Encoder = new Chunk.ChunkEncoder();
// TODO: Make the buffer size dynamic, ie., grow if we send a single very large message.
// Make the buffer store up to 5MB worth of data.
this.m_FrameBuffer = new FrameBuffer(5 * 1024 * 1024 / this.m_Encoder.MaximumChunkSize);
// Create the NackManager which is responsible for sending NACKs on behalf of
// our set of RTPMessageReceivers.
this.m_NackManager = new RTPNackManager(this, this.m_Classroom);
}
// Create network services outside of the "lock(this)" so they can lock their own objects
// without worrying about locking order.
// Create the PresenterNetworkService which will watch for changes to the model and send messages.
this.m_PresenterNetworkService = new PresenterNetworkService(this, this.m_Model);
// Create the StudentSubmissionsNetworkService which will watch for requests to submit and send messages.
this.m_StudentSubmissionNetworkService = new StudentSubmissionNetworkService(this, this.m_Model);
// Create the SynchronizationNetworkService which will watch for all synchronization messages.
this.m_SynchronizationNetworkService = new SynchronizationNetworkService( this, this.m_Model );
// Create the ScriptingNetworkService which will watch for all scripting messages.
this.m_ScriptingNetworkService = new ScriptingNetworkService( this, this.m_Model );
// Create the BeaconService which will broadcast periodic information about the presentation.
this.m_BeaconService = new Beacons.DefaultBeaconService(this, this.m_Model);
// Report Network status to the UI
m_CapabilityNetworkStatus = new CapabilityNetworkStatus(this.m_Model);
m_CapabilityNetworkStatus.Register();
// Send an initial message to announce our node to others in the venue.
SendObject(new CapabilityMessageWrapper(null, m_LocalId, Guid.Empty, m_Capability.IsSender));
}
