/// <summary>
/// <para>Events:</para>
/// <para>@emits icestatechange - (iceState: IceState)</para>
/// <para>@emits iceselectedtuplechange - (iceSelectedTuple: TransportTuple)</para>
/// <para>@emits dtlsstatechange - (dtlsState: DtlsState)</para>
/// <para>@emits sctpstatechange - (sctpState: SctpState)</para>
/// <para>@emits trace - (trace: TransportTraceEventData)</para>
/// <para>Observer events:</para>
/// <para>@emits close</para>
/// <para>@emits newproducer - (producer: Producer)</para>
/// <para>@emits newconsumer - (producer: Producer)</para>
/// <para>@emits newdataproducer - (dataProducer: DataProducer)</para>
/// <para>@emits newdataconsumer - (dataProducer: DataProducer)</para>
/// <para>@emits icestatechange - (iceState: IceState)</para>
/// <para>@emits iceselectedtuplechange - (iceSelectedTuple: TransportTuple)</para>
/// <para>@emits dtlsstatechange - (dtlsState: DtlsState)</para>
/// <para>@emits sctpstatechange - (sctpState: SctpState)</para>
/// <para>@emits trace - (trace: TransportTraceEventData)</para>
/// </summary>
/// <param name="loggerFactory"></param>
/// <param name="transportInternalData"></param>
/// <param name="sctpParameters"></param>
/// <param name="sctpState"></param>
/// <param name="channel"></param>
/// <param name="payloadChannel"></param>
/// <param name="appData"></param>
/// <param name="getRouterRtpCapabilities"></param>
/// <param name="getProducerById"></param>
/// <param name="getDataProducerById"></param>
/// <param name="iceRole"></param>
/// <param name="iceParameters"></param>
/// <param name="iceCandidates"></param>
/// <param name="iceState"></param>
/// <param name="iceSelectedTuple"></param>
/// <param name="dtlsParameters"></param>
/// <param name="dtlsState"></param>
/// <param name="dtlsRemoteCert"></param>
public WebRtcTransport(ILoggerFactory loggerFactory,
TransportInternalData transportInternalData,
SctpParameters?sctpParameters,
SctpState?sctpState,
Channel channel,
PayloadChannel payloadChannel,
Dictionary <string, object>?appData,
Func <RtpCapabilities> getRouterRtpCapabilities,
Func <string, Producer> getProducerById,
Func <string, DataProducer> getDataProducerById,
string iceRole,
IceParameters iceParameters,
IceCandidate[] iceCandidates,
IceState iceState,
TransportTuple?iceSelectedTuple,
DtlsParameters dtlsParameters,
DtlsState dtlsState,
string?dtlsRemoteCert
) : base(loggerFactory, transportInternalData, sctpParameters, sctpState, channel, payloadChannel, appData, getRouterRtpCapabilities, getProducerById, getDataProducerById)
{
_logger = loggerFactory.CreateLogger <WebRtcTransport>();
// Data
IceRole = iceRole;
IceParameters = iceParameters;
IceCandidates = iceCandidates;
IceState = iceState;
IceSelectedTuple = iceSelectedTuple;
DtlsParameters = dtlsParameters;
DtlsState = dtlsState;
DtlsRemoteCert = dtlsRemoteCert;
HandleWorkerNotifications();
}
/// <summary>
/// Sends a packet to a remote endpoint.
/// </summary>
/// <param name="Packet">Packet to send.</param>
/// <param name="RemoteEndpoint">Remote endpoint.</param>
/// <param name="Credentials">Optional credentials.</param>
/// <param name="Callback">Method to call when operation concludes.</param>
/// <param name="State">State object to pass on to callback method.</param>
public void Send(byte[] Packet, IPEndPoint RemoteEndpoint, IDtlsCredentials Credentials,
UdpTransmissionEventHandler Callback, object State)
{
if (this.dtlsStates.TryGetValue(RemoteEndpoint, out DtlsOverUdpState DtlsState))
{
switch (DtlsState.CurrentState)
{
case Security.DTLS.DtlsState.SessionEstablished:
this.dtls.SendApplicationData(Packet, RemoteEndpoint);
break;
case Security.DTLS.DtlsState.Handshake:
DtlsState.AddToQueue(Packet, Callback, State);
break;
case Security.DTLS.DtlsState.Closed:
case Security.DTLS.DtlsState.Failed:
case Security.DTLS.DtlsState.Created:
default:
DtlsState.AddToQueue(Packet, Callback, State);
this.dtls.StartHandshake(RemoteEndpoint, Credentials);
break;
}
}
else
{
DtlsState = new DtlsOverUdpState()
{
RemoteEndpoint = RemoteEndpoint,
Queue = new LinkedList <Tuple <byte[], UdpTransmissionEventHandler, object> >(),
CurrentState = Security.DTLS.DtlsState.Handshake
};
DtlsState.AddToQueue(Packet, Callback, State);
this.dtlsStates.Add(RemoteEndpoint, DtlsState);
this.dtls.StartHandshake(RemoteEndpoint, Credentials);
}
}
/// <summary>
/// Event arguments for state change events.
/// </summary>
/// <param name="RemoteEndpoint">Remote endpoint.</param>
/// <param name="State">Endpoint state.</param>
public StateChangedEventArgs(object RemoteEndpoint, DtlsState State)
: base(RemoteEndpoint)
{
this.state = State;
}
