/// <summary>
/// Processes an incoming message and handles any of the possible types of packets it could be.
/// </summary>
private void processIncomingMessage(IncomingMessage incomingMessage, IPEndPoint endPoint)
{
if (incomingMessage.BytesLeft < 2)
{
return;
}
PacketType packetType = (PacketType)incomingMessage.ReadByte();
PacketTypeDetail packetTypeDetail = (PacketTypeDetail)incomingMessage.ReadByte();
if (this.endPointToClientID.TryGetValue(endPoint, out int clientID))
{
ClientNetworkConnection client = this.clients[clientID];
if (packetType == PacketType.ClientConnectFinalize)
{
client.SetStateConnected(endPoint, this.NetworkTick);
}
else if (packetType == PacketType.GameUpdate && packetTypeDetail == PacketTypeDetail.GameUpdateFromClient)
{
client.EnqueueGameUpdateIncomingMessage(incomingMessage, this.NetworkTick);
}
}
else
{
// A message from a non-connected endpoint, only process it if its a connection request
if (packetType == PacketType.ClientConnectRequest)
{
this.processClientConnectRequest(incomingMessage, endPoint);
}
}
}
/// <summary>
/// Immediately sends a packet to the given end point in response to a connection request.
/// </summary>
private void sendConnectRequest(PacketType packetType, PacketTypeDetail packetTypeInfo)
{
this.outgoingMessage.Reset();
this.outgoingMessage.Write((byte)packetType);
this.outgoingMessage.Write((byte)packetTypeInfo);
this.outgoingMessage.Write(ReaderWriterHelper.GetStringHash(this.ApplicationID));
this.outgoingMessage.Write(this.MaxMessageSize);
this.outgoingMessage.Write("No name");
((INetworkConnection)this).SendMessage(this.outgoingMessage);
}
/// <summary>
/// Immediately sends a packet to the given end point in response to a connection request.
/// </summary>
private void sendConnectResponse(IPEndPoint toEndPoint, byte clientID, PacketTypeDetail packetTypeInfo)
{
this.outgoingMessage.Reset();
this.outgoingMessage.Write((byte)PacketType.ServerConnectResponse);
this.outgoingMessage.Write((byte)packetTypeInfo);
this.outgoingMessage.Write(clientID);
this.outgoingMessage.Write(ReaderWriterHelper.GetStringHash(this.ApplicationID));
this.outgoingMessage.Write(this.MaxMessageSize);
((INetworkConnection)this.clients[clientID]).SendMessage(this.outgoingMessage);
}
/// <summary>
/// Processes an incoming message and handles any of the possible types of packets it could be.
/// </summary>
private void processIncomingMessage(IncomingMessage incomingMessage, IPEndPoint endPoint)
{
if (incomingMessage.BytesLeft < 2)
{
return;
}
PacketType packetType = (PacketType)incomingMessage.ReadByte();
PacketTypeDetail packetTypeDetail = (PacketTypeDetail)incomingMessage.ReadByte();
if (packetType == PacketType.ServerConnectResponse)
{
if (packetTypeDetail == PacketTypeDetail.ConnectResponseAccept)
{
this.sendConnectRequest(PacketType.ClientConnectFinalize, PacketTypeDetail.None);
this.IsConnected = true;
}
}
else if (packetType == PacketType.GameUpdate && packetTypeDetail == PacketTypeDetail.GameUpdateFromServer)
{
this.enqueueGameUpdateIncomingMessage(incomingMessage);
}
}
