public static uint GetPacketCode(this AriesPacketType type)
{
switch (type)
{
case AriesPacketType.Voltron:
return(0);
case AriesPacketType.Electron:
return(1000);
case AriesPacketType.Gluon:
return(1001);
case AriesPacketType.RequestChallenge:
return(1002);
case AriesPacketType.RequestChallengeResponse:
return(1003);
case AriesPacketType.AnswerChallenge:
return(1004);
case AriesPacketType.AnswerAccepted:
return(1005);
case AriesPacketType.RequestClientSession:
return(22);
case AriesPacketType.RequestClientSessionResponse:
return(21);
default:
throw new Exception("Unknown aries packet type " + type.ToString());
}
}
private void EncodeAries(IoSession session, object message, IProtocolEncoderOutput output)
{
IAriesPacket ariesPacket = (IAriesPacket)message;
AriesPacketType ariesPacketType = ariesPacket.GetPacketType();
var payload = IoBuffer.Allocate(128);
payload.Order = ByteOrder.LittleEndian;
payload.AutoExpand = true;
ariesPacket.Serialize(payload, Context);
payload.Flip();
int payloadSize = payload.Remaining;
IoBuffer headers = IoBuffer.Allocate(12);
headers.Order = ByteOrder.LittleEndian;
/**
* Aries header
* uint32 type
* uint32 timestamp
* uint32 payloadSize
*/
uint timestamp = (uint)TimeSpan.FromTicks(DateTime.Now.Ticks - session.CreationTime.Ticks).TotalMilliseconds;
headers.PutUInt32(ariesPacketType.GetPacketCode());
headers.PutUInt32(timestamp);
headers.PutUInt32((uint)payloadSize);
if (payloadSize > 0)
{
headers.AutoExpand = true;
headers.Put(payload);
}
headers.Flip();
output.Write(headers);
//output.Flush();
}
private void EncodeVoltronStylePackets(IoSession session, IProtocolEncoderOutput output, AriesPacketType ariesType, ushort packetType, IoBufferSerializable message)
{
var payload = IoBuffer.Allocate(512);
payload.Order = ByteOrder.BigEndian;
payload.AutoExpand = true;
message.Serialize(payload, Context);
payload.Flip();
int payloadSize = payload.Remaining;
IoBuffer headers = IoBuffer.Allocate(18);
headers.Order = ByteOrder.LittleEndian;
/**
* Aries header
* uint32 type
* uint32 timestamp
* uint32 payloadSize
*/
uint timestamp = (uint)TimeSpan.FromTicks(DateTime.Now.Ticks - session.CreationTime.Ticks).TotalMilliseconds;
headers.PutUInt32(ariesType.GetPacketCode());
headers.PutUInt32(timestamp);
headers.PutUInt32((uint)payloadSize + 6);
/**
* Voltron header
* uint16 type
* uint32 payloadSize
*/
headers.Order = ByteOrder.BigEndian;
headers.PutUInt16(packetType);
headers.PutUInt32((uint)payloadSize + 6);
if (payloadSize > 0)
{
headers.AutoExpand = true;
headers.Put(payload);
}
headers.Flip();
output.Write(headers);
//output.Flush();
}
