protected virtual void OnOperationRequest(OperationRequestEventArgs e)
{
EventHandler <OperationRequestEventArgs> handler = OperationRequest;
if (handler != null)
{
handler(this, e);
}
}
// Thanks to https://github.com/rafalfigura for the majority of this class
public void ParsePacket(byte[] photonPacket)
{
Protocol16 protocol16 = new Protocol16();
Stream stream = new MemoryStream(photonPacket);
BinaryReader reader = new BinaryReader(stream);
var peerId = IPAddress.NetworkToHostOrder(reader.ReadUInt16());
var crcEnabled = reader.ReadByte();
var commandCount = reader.ReadByte();
var timestamp = IPAddress.NetworkToHostOrder(reader.ReadInt32());
var challenge = IPAddress.NetworkToHostOrder(reader.ReadInt32());
var commandHeaderLength = 12;
var signifierByteLength = 1;
for (int commandIdx = 0; commandIdx < commandCount; commandIdx++)
{
byte commandType = reader.ReadByte();
byte channelId = reader.ReadByte();
byte commandFlags = reader.ReadByte();
byte unkBytes = reader.ReadByte();
int commandLength = IPAddress.NetworkToHostOrder(reader.ReadInt32());
int sequenceNumber = IPAddress.NetworkToHostOrder(reader.ReadInt32());
switch (commandType)
{
case 4: //Disconnect
break;
case 7: //Send unreliable
reader.BaseStream.Position += 4;
commandLength -= 4;
goto case 6;
case 6: //Send reliable
reader.BaseStream.Position += signifierByteLength;
byte messageType = reader.ReadByte();
int operationLength = commandLength - commandHeaderLength - 2;
StreamBuffer payload = new StreamBuffer(reader.ReadBytes(operationLength));
switch (messageType)
{
case 2: // OperationRequest
var requestData = protocol16.DeserializeOperationRequest(payload);
OperationRequestEventArgs requestArgs = new OperationRequestEventArgs();
requestArgs.OperationCode = requestData.OperationCode;
requestArgs.Parameters = requestData.Parameters;
OnOperationRequest(requestArgs);
break;
case 3: // OperationResponse
var responseData = protocol16.DeserializeOperationResponse(payload);
OperationResponseEventArgs responseArgs = new OperationResponseEventArgs();
responseArgs.OperationCode = responseData.OperationCode;
responseArgs.ReturnCode = responseData.ReturnCode;
responseArgs.Parameters = responseData.Parameters;
OnOperationResponse(responseArgs);
break;
case 4: // EventData
var eventData = protocol16.DeserializeEventData(payload);
EventDataEventArgs dataArgs = new EventDataEventArgs();
dataArgs.Code = eventData.Code;
dataArgs.Parameters = eventData.Parameters;
OnEventData(dataArgs);
break;
default:
reader.BaseStream.Position += operationLength;
break;
}
break;
default:
reader.BaseStream.Position += commandLength - commandHeaderLength;
break;
}
}
}