private SkynetClusterRequest UnpackLargeRequestPacket(RequestPacketTag tag, byte[] data)
{
SkynetClusterRequest request = null;
switch (tag)
{
case RequestPacketTag.LARGE_PACKET:
case RequestPacketTag.LARGE_PUSH:
{
// unpack header
byte tempTag = 0;
string name = "";
int nameLength = 0;
int session = 0;
UnpackHeader(data, out tempTag, out name, out nameLength, out session);
if (m_largeRequestPackets.ContainsKey(session))
{
LoggerHelper.Info(m_sourceId, String.Format("SkynetPacketManager.UnpackLargePacket multi header for same session {0}", session));
m_largeRequestPackets.Remove(session);
}
int startIndex = nameLength + 6;
int totalDataSize = data[startIndex + 3] << 24 | data[startIndex + 2] << 16 | data[startIndex + 1] << 8 | data[startIndex];
SkynetLargePacket largeRequest = new SkynetLargePacket();
largeRequest.ServiceName = name;
largeRequest.Session = session;
largeRequest.Tag = (int)tempTag;
largeRequest.TotalDataSize = totalDataSize;
largeRequest.Messages = new List <SkynetMessage>();
largeRequest.Type = LargePacketType.REQUEST;
m_largeRequestPackets.Add(session, largeRequest);
} break;
case RequestPacketTag.FRAGMENT:
case RequestPacketTag.LAST_FRAGMENT:
{
int session = data[4] << 24 | data[3] << 16 | data[2] << 8 | data[1];
int size = data.Length - 5;
byte[] msg = new byte[size];
Array.Copy(data, 5, msg, 0, size);
SkynetMessage skynetMessage = new SkynetMessage();
skynetMessage.Data = msg;
skynetMessage.Size = size;
SkynetLargePacket largeRequest = null;
bool isSuccess = m_largeRequestPackets.TryGetValue(session, out largeRequest);
if (!isSuccess)
{
LoggerHelper.Info(m_sourceId, String.Format("SkynetPacketManager.UnpackLargePacket illegal FRAGMENT {0}", session));
return(null);
}
largeRequest.Messages.Add(skynetMessage);
if (tag == RequestPacketTag.LAST_FRAGMENT)
{
byte[] messageBuf = new byte[largeRequest.TotalDataSize];
int startIndex = 0;
int sumBytes = 0;
for (int i = 0; i < largeRequest.Messages.Count; i++)
{
SkynetMessage tempMsg = largeRequest.Messages[i];
Array.Copy(tempMsg.Data, 0, messageBuf, startIndex, tempMsg.Size);
startIndex += tempMsg.Size;
sumBytes += tempMsg.Size;
}
if (largeRequest.TotalDataSize != sumBytes)
{
LoggerHelper.Info(m_sourceId, String.Format("SkynetPacketManager.UnpackLargePacket large packet totalsize is not equal to real size {0}", session));
}
// unpack message: protoId and message buffer
startIndex = 0;
int byteCount = 0;
int protoId = (int)UnpackInteger(messageBuf, startIndex, out byteCount);
startIndex += 1 + byteCount;
byte[] unpackMsg = UnpackString(messageBuf, startIndex);
request = new SkynetClusterRequest();
request.ProtoId = protoId;
request.ServiceName = largeRequest.ServiceName;
request.Session = session;
request.Data = unpackMsg;
m_largeRequestPackets.Remove(session);
}
} break;
default: break;
}
return(request);
}
public SkynetClusterResponse UnpackSkynetResponse(byte[] msg)
{
SkynetClusterResponse response = null;
int startIndex = 0;
int session = msg[0] | msg[1] << 8 | msg[2] << 16 | msg[3] << 24;
startIndex += 4;
int tag = msg[startIndex];
startIndex++;
switch ((ResponsePacketTag)tag)
{
case ResponsePacketTag.OK:
{
response = new SkynetClusterResponse();
int byteCount = 0;
int protoId = (int)UnpackInteger(msg, startIndex, out byteCount);
startIndex += 1 + byteCount;
byte[] tempData = UnpackString(msg, startIndex);
response.ErrorCode = RPCError.OK;
response.ProtoId = protoId;
response.Data = tempData;
}
break;
case ResponsePacketTag.ERROR:
{
response = new SkynetClusterResponse();
response.ErrorCode = RPCError.RemoteError;
response.ProtoId = 0;
response.Data = UnpackString(msg, startIndex);
} break;
case ResponsePacketTag.MULTI_BEGIN:
{
SkynetLargePacket largePacket = null;
bool isExist = m_largeResponsePackets.TryGetValue(session, out largePacket);
if (!isExist)
{
largePacket = new SkynetLargePacket();
m_largeResponsePackets.Add(session, largePacket);
}
largePacket.Tag = tag;
largePacket.Type = LargePacketType.RESPONSE;
largePacket.Session = session;
int byteCount = 0;
largePacket.TotalDataSize = (int)UnpackInteger(msg, startIndex, out byteCount);
largePacket.Messages = new List <SkynetMessage>();
} break;
case ResponsePacketTag.MULTI_PART:
{
SkynetLargePacket largePacket = null;
bool isExist = m_largeResponsePackets.TryGetValue(session, out largePacket);
if (isExist)
{
SkynetMessage skynetMessage = new SkynetMessage();
skynetMessage.Size = msg.Length - 5;
skynetMessage.Data = UnpackString(msg, startIndex);
largePacket.Messages.Add(skynetMessage);
}
} break;
case ResponsePacketTag.MULTI_END:
{
SkynetLargePacket largePacket = null;
bool isExist = m_largeResponsePackets.TryGetValue(session, out largePacket);
if (isExist)
{
response = new SkynetClusterResponse();
byte[] tempData = new byte[largePacket.TotalDataSize];
int tempStartIndex = 0;
int count = largePacket.Messages.Count;
for (int i = 0; i < count; i++)
{
SkynetMessage skynetMessage = largePacket.Messages[i];
Array.Copy(skynetMessage.Data, 0, tempData, tempStartIndex, skynetMessage.Size);
tempStartIndex += skynetMessage.Size;
}
Array.Copy(msg, 5, tempData, tempStartIndex, msg.Length - 5);
int byteCount = 0;
response.ErrorCode = RPCError.OK;
response.ProtoId = (int)UnpackInteger(tempData, 0, out byteCount);
response.Data = UnpackString(tempData, byteCount);
}
} break;
default: break;
}
if (response != null)
{
response.Session = session;
}
return(response);
}