private static void CollectPacket(UdpSocketPacket packet, SenderPacketCollection senderPacketCollection)
{
int senderSessionId = PacketHelper.getSessionIdFromSenderPacketBytes(packet.Bytes);
SenderPacketType packetType = PacketHelper.getPacketTypeFromSenderPacketBytes(packet.Bytes);
if (packetType == SenderPacketType.Confirm)
{
senderPacketCollection.ConfirmPacketInfoList.Add(new ConfirmPacketInfo(packet.EndPoint, senderSessionId, ConfirmSenderPacketData.Parse(packet.Bytes)));
return;
}
SenderPacketSet senderPacketSet;
if (!senderPacketCollection.SenderPacketSets.TryGetValue(senderSessionId, out senderPacketSet))
{
return;
}
// Heartbeat packets turns on ReceivedAny.
senderPacketSet.ReceivedAny = true;
switch (packetType)
{
case SenderPacketType.VideoInit:
senderPacketSet.InitPacketDataList.Add(VideoInitSenderPacketData.Parse(packet.Bytes));
break;
case SenderPacketType.Frame:
senderPacketSet.VideoPacketDataList.Add(VideoSenderPacketData.Parse(packet.Bytes));
break;
case SenderPacketType.Parity:
senderPacketSet.FecPacketDataList.Add(ParitySenderPacketData.Parse(packet.Bytes));
break;
case SenderPacketType.Audio:
senderPacketSet.AudioPacketDataList.Add(AudioSenderPacketData.Parse(packet.Bytes));
break;
case SenderPacketType.Floor:
senderPacketSet.FloorPacketDataList.Add(FloorSenderPacketData.Parse(packet.Bytes));
break;
}
}
public static SenderPacketCollection Receive(UdpSocket udpSocket, List <RemoteSender> remoteSenders)
{
var senderEndPoints = new List <IPEndPoint>();
var senderPacketCollection = new SenderPacketCollection();
foreach (var remoteSender in remoteSenders)
{
senderEndPoints.Add(remoteSender.SenderEndPoint);
senderPacketCollection.SenderPacketSets.Add(remoteSender.SenderSessionId, new SenderPacketSet());
}
// During this loop, SocketExceptions will have endpoint information.
foreach (var senderEndPoint in senderEndPoints)
{
while (true)
{
var packet = udpSocket.ReceiveFrom(senderEndPoint);
if (packet == null)
{
break;
}
CollectPacket(packet, senderPacketCollection);
}
}
// During this loop, SocketExceptions won't have endpoint information but connection messages will be received.
while (true)
{
var packet = udpSocket.Receive();
if (packet == null)
{
break;
}
CollectPacket(packet, senderPacketCollection);
}
return(senderPacketCollection);
}
