public override void Deserialize(IPacketHeader packetHeader, MemoryStream sourceStream)
{
sourceStream.Read(m_Buffer, 0, packetHeader.PacketLength - 1);
MyString = Encoding.ASCII.GetString(m_Buffer, 0, packetHeader.PacketLength - 1);
sourceStream.Read(m_Buffer, 0, 1);
MyBoolean = BitConverter.ToBoolean(m_Buffer, 0);
}
/// <summary>
/// 反序列化消息包。
/// </summary>
/// <param name="packetHeader">消息包头。</param>
/// <param name="source">要反序列化的来源流。</param>
/// <param name="customErrorData">用户自定义错误数据。</param>
/// <returns>反序列化后的消息包。</returns>
public Packet DeserializePacket(IPacketHeader packetHeader, Stream source, out object customErrorData)
{
customErrorData = null;
CTM_SCPacketHeader header = packetHeader as CTM_SCPacketHeader;
if (header == null)
{
Log.Warning("Packet header is invalid.");
return(null);
}
Packet packet = null;
if (header.IsValid)
{
Type packetType = GetServerToClientPacketType(header.Id);
if (packetType != null && source is MemoryStream)
{
packet = (Packet)ProtobufHelper.FromStream(ReferencePool.Acquire(packetType), (MemoryStream)source);
}
else
{
Log.Warning("Can not deserialize packet for packet id '{0}'.", header.Id.ToString());
}
}
else
{
Log.Warning("Packet header is invalid.");
}
ReferencePool.Release(header);
return(packet);
}
/// <summary>
/// 反序列化消息包。
/// </summary>
/// <param name="packetHeader">消息包头。</param>
/// <param name="source">要反序列化的来源流。</param>
/// <param name="customErrorData">用户自定义错误数据。</param>
/// <returns>反序列化后的消息包。</returns>
public Packet DeserializePacket(IPacketHeader packetHeader, Stream source, out object customErrorData)
{
// 注意：此函数并不在主线程调用！
customErrorData = null;
SCPacketHeader scPacketHeader = packetHeader as SCPacketHeader;
if (scPacketHeader == null)
{
Log.Warning("Packet header is invalid.");
return(null);
}
Packet packet = null;
if (scPacketHeader.IsValid)
{
Type packetType = GetServerToClientPacketType(scPacketHeader.Id);
if (packetType != null)
{
packet = (Packet)RuntimeTypeModel.Default.DeserializeWithLengthPrefix(source, ReferencePool.Acquire(packetType), packetType, PrefixStyle.Fixed32, 0);
}
else
{
Log.Warning("Can not deserialize packet for packet id '{0}'.", scPacketHeader.Id.ToString());
}
}
else
{
Log.Warning("Packet header is invalid.");
}
ReferencePool.Release(scPacketHeader);
return(packet);
}
public static Packet DeserializePacket(IPacketHeader packetHeader, Stream source /*, out object customErrorData*/)
{
ET_CSPacketHeader header = packetHeader as ET_CSPacketHeader;
if (header == null)
{
Debug.LogError("header为空.");
return(null);
}
Packet packet = null;
if (header.IsValid)
{
Type packetType = GetClientToServerPacketType(header.Id);
if (packetType != null && source is MemoryStream)
{
object instance = Activator.CreateInstance(packetType);
packet = (Packet)ProtobufHelper.FromStream(instance, (MemoryStream)source);
}
else
{
Debug.LogError("Can not deserialize packet for packet id '{0}'.", header.Id.ToString());
}
}
else
{
Debug.LogError("Packet header is invalid.");
}
header.Clear();
return(packet);
}
public bool ProcessPacketHeader(ClientSocket clientSocket)
{
try {
IPacketHeader packetHeader = ET_NetworkChannelHelper.DeserializePacketHeader(clientSocket.ReceiveState.Stream);
if (packetHeader == null)
{
string errorMessage = "Packet header is invalid.";
Debug.LogError(errorMessage);
throw new Exception(errorMessage);
}
clientSocket.ReceiveState.PrepareForPacket(packetHeader);
if (packetHeader.PacketLength <= 0) //一般不会满足
{
return(ProcessPacket(clientSocket));
}
}
catch (Exception exception) {
Debug.LogError(exception);
throw;
}
return(true);
}
public void PrepareForPacket(IPacketHeader packetHeader)
{
if (packetHeader == null)
{
throw new GameFrameworkException("Packet header is invalid.");
}
Reset(packetHeader.PacketLength, packetHeader);
}
private void Reset(int targetlength, IPacketHeader packetHeader)
{
if (targetlength < 0)
{
}
m_Stream.Position = 0L;
m_Stream.SetLength(targetlength);
m_PacketHeader = PacketHeader;
}
/// <inheritdoc />
public async Task <int> WriteHeaderAsync(IPacketHeader header)
{
//We only need to serialize and then write
byte[] bytes = Serializer.Serialize(header);
await DecoratedClient.WriteAsync(bytes)
.ConfigureAwait(false);
return(bytes.Length);
}
public virtual async Task <NetworkIncomingMessage <TReadPayloadBaseType> > ReadAsync(CancellationToken token)
{
IPacketHeader header = null;
TReadPayloadBaseType payload = null;
using (await readSynObj.LockAsync(token).ConfigureAwait(false))
{
//Check crypto first. We may need to decrypt this header
//This is very complicated though for reading server headers
//since they do not have a constant size
header = await BuildHeaderWithDecryption(token)
.ConfigureAwait(false);
//If the header is null it means the socket disconnected
if (header == null)
{
return(null);
}
//if was canceled the header reading probably returned null anyway
if (token.IsCancellationRequested)
{
return(null);
}
//We need to read enough bytes to deserialize the payload
await ReadAsync(PacketPayloadReadBuffer, 0, header.PayloadSize, token)
.ConfigureAwait(false); //TODO: Should we timeout?
//Opcode will still be encrypted if crypto is enabled so we must decryt that too
if (CryptoService.isInitialized)
{
CryptoService.DecryptionService.ProcessBytes(PacketPayloadReadBuffer, 0, 2, PacketPayloadReadBuffer, 0);
}
//If the token was canceled then the buffer isn't filled and we can't make a message
if (token.IsCancellationRequested)
{
return(null);
}
Console.WriteLine($"Server Debug OpCode: {(NetworkOperationCode)PacketPayloadReadBuffer.Reinterpret<ushort>()}:{PacketPayloadReadBuffer.Reinterpret<short>()}");
//Console.ReadKey();
//Deserialize the bytes starting from the begining but ONLY read up to the payload size. We reuse this buffer and it's large
//so if we don't specify the length we could end up with an issue.
payload = Serializer.Deserialize <TReadPayloadBaseType>(PacketPayloadReadBuffer, 0, header.PayloadSize);
}
Console.WriteLine($"Server Read Client Write Debug: {payload.GetType()}");
return(new NetworkIncomingMessage <TReadPayloadBaseType>(header, payload));
}
private void Reset(int targetLength, IPacketHeader packetHeader)
{
if (targetLength < 0)
{
throw new GameFrameworkException("Target length is invalid.");
}
m_Stream.Position = 0L;
m_Stream.SetLength(targetLength);
m_PacketHeader = packetHeader;
}
private bool ProcessPacketHeader()
{
try
{
object customErrorData = null;
IPacketHeader packetHeader = m_NetworkChannelHelper.DeserializePacketHeader(m_ReceiveState.Stream, out customErrorData);
if (customErrorData != null)
{
if (NetworkChannelCustomError != null)
{
NetworkChannelCustomError(this, customErrorData);
}
}
if (packetHeader == null)
{
string errorMessage = "Packet header is invalid.";
if (NetworkChannelError != null)
{
NetworkChannelError(this, NetworkErrorCode.DeserializePacketHeaderError, errorMessage);
return(false);
}
throw new Exception(errorMessage);
}
if (packetHeader.PacketLength > 0)
{
m_ReceiveState.PrepareForPacket(packetHeader.PacketLength);
}
else
{
m_ReceiveState.PrepareForPacketHeader(m_NetworkChannelHelper.PacketHeaderLength);
}
}
catch (System.Exception exception)
{
m_Active = false;
if (NetworkChannelError != null)
{
NetworkChannelError(this, NetworkErrorCode.DeserializePacketHeaderError, exception.ToString());
return(false);
}
throw;
}
return(true);
}
/// <summary>
/// Creates a new incoming message envelope. Represents a complete
/// logical packet including the header and the deserialized payload.
/// </summary>
/// <param name="header"></param>
/// <param name="payload">The payload.</param>
public NetworkIncomingMessage(IPacketHeader header, TPayloadType payload)
{
if (header == null)
{
throw new ArgumentNullException(nameof(header));
}
if (payload == null)
{
throw new ArgumentNullException(nameof(payload));
}
Header = header;
Payload = payload;
}
protected virtual bool ProcessPacketHeader()
{
try
{
object customErrorData = null;
IPacketHeader packetHeader = m_NetworkChannelHelper.DeserializePacketHeader(m_ReceiveState.Stream, out customErrorData);
if (customErrorData != null && NetworkChannelCustomError != null)
{
NetworkChannelCustomError(this, customErrorData);
}
if (packetHeader == null)
{
string errorMessage = "Packet header is invalid.";
if (NetworkChannelError != null)
{
NetworkChannelError(this, NetworkErrorCode.DeserializePacketHeaderError, SocketError.Success, errorMessage);
return(false);
}
throw new GameFrameworkException(errorMessage);
}
m_ReceiveState.PrepareForPacket(packetHeader);
if (packetHeader.PacketLength <= 0)
{
bool processSuccess = ProcessPacket();
m_ReceivedPacketCount++;
return(processSuccess);
}
}
catch (Exception exception)
{
m_Active = false;
if (NetworkChannelError != null)
{
SocketException socketException = exception as SocketException;
NetworkChannelError(this, NetworkErrorCode.DeserializePacketHeaderError, socketException != null ? socketException.SocketErrorCode : SocketError.Success, exception.ToString());
return(false);
}
throw;
}
return(true);
}
public Packet DeserializePacket(IPacketHeader packetHeader, Stream source, out object customErrorData)
{
customErrorData = null;
MOMsg msg = null;
try
{
var buffer = new byte[packetHeader.PacketLength];
source.Read(buffer, 0, buffer.Length);
msg = MOMsg.Parser.ParseFrom(ByteString.CopyFrom(buffer));
}
catch (Exception ex)
{
customErrorData = ex.Message;
}
return(new MOPacket(msg));
}
public Packet DeserializePacket(IPacketHeader packetHeader, Stream source, out object customErrorData)
{
customErrorData = null;
SCPacketHeader scPacketHeader = packetHeader as SCPacketHeader;
if (scPacketHeader == null)
{
Log.Warning("Packet header is invalid.");
return(null);
}
Packet packet = null;
if (scPacketHeader.IsValid)
{
if (scPacketHeader.Id == 4)
{
//BinaryReader r = new BinaryReader(source);
//byte[] message = r.ReadBytes((int)(source.Length - source.Position));
//string returnStr = string.Empty;
//for (int i = 0; i < message.Length; i++)
//{
// returnStr += message[i].ToString("X2");
//}
SCData scData = SCData.Create();
((DataResponse)scData.GetExtensionObject()).MergeFrom(source);
//Log.Info("data response {0}", scData);
packet = scData;
}
else
{
packet = SCHeartBeat.Create();
Log.Info("heart response ");
}
}
else
{
Log.Warning("Packet header is invalid.");
}
ReferencePool.Release(scPacketHeader);
return(packet);
}
/// <inheritdoc />
public async Task WriteAsync(TWritePayloadBaseType payload)
{
//Serializer the payload first so we can build the header
byte[] payloadData = Serializer.Serialize(payload);
IPacketHeader header = PacketHeaderFactory.Create(payload, payloadData);
//VERY critical we lock here otherwise we could write a header and then another unrelated body could be written inbetween
using (await writeSynObj.LockAsync().ConfigureAwait(false))
{
//It's important to always write the header first
await HeaderReaderWriter.WriteHeaderAsync(header)
.ConfigureAwait(false);
//Write the outgoing message, it will internally create the header and it will be serialized
await DecoratedClient.WriteAsync(payloadData)
.ConfigureAwait(false);
}
}
public GameFramework.Network.Packet DeserializePacket(IPacketHeader packetHeader, Stream source, out object customErrorData)
{
var ret = new Q3Packet();
try
{
byte[] bytes = new byte[packetHeader.PacketLength];
source.Read(bytes, 0, packetHeader.PacketLength);
ret.SetArgs(bytes);
}
catch (Exception ex)
{
Log.Error(ex);
}
customErrorData = null;
return(ret);
}
public async Task <NetworkIncomingMessage <TReadPayloadBaseType> > ReadAsync(CancellationToken token)
{
IPacketHeader header = null;
TReadPayloadBaseType payload = null;
using (await readSynObj.LockAsync(token).ConfigureAwait(false))
{
//Read the header first
header = await HeaderReaderWriter.ReadHeaderAsync(token)
.ConfigureAwait(false);
//If the header is null it means the socket disconnected
if (header == null)
{
return(null);
}
//if was canceled the header reading probably returned null anyway
if (token.IsCancellationRequested)
{
return(null);
}
//We need to read enough bytes to deserialize the payload
await ReadAsync(PacketPayloadReadBuffer, 0, header.PayloadSize, token)
.ConfigureAwait(false); //TODO: Should we timeout?
//If the token was canceled then the buffer isn't filled and we can't make a message
if (token.IsCancellationRequested)
{
return(null);
}
//WARNING: We must do deserialization inside of the lock otherwise we can encounter a race condition
//Deserialize the bytes starting from the begining but ONLY read up to the payload size. We reuse this buffer and it's large
//so if we don't specify the length we could end up with an issue.
payload = Serializer.Deserialize <TReadPayloadBaseType>(PacketPayloadReadBuffer, 0, header.PayloadSize);
}
return(new NetworkIncomingMessage <TReadPayloadBaseType>(header, payload));
}
public Packet DeserializePacket(IPacketHeader packetHeader, Stream source, out object customErrorData)
{
customErrorData = null;
ET_SCPacketHeader header = packetHeader as ET_SCPacketHeader;
if (header == null)
{
Log.Warning("Packet header is invalid.");
return(null);
}
Packet packet = null;
if (header.IsValid)
{
Type packetType = GetServerToClientPacketType(header.Id);
//Log.Debug("~~~~~~~~~~~"+packetType.Name);
if (packetType != null && source is MemoryStream)
{
//packet = (Packet)RuntimeTypeModel.Default.DeserializeWithLengthPrefix(source, ReferencePool.Acquire(packetType), packetType, PrefixStyle.Fixed32, 0);
object instance = Activator.CreateInstance(packetType);
//packet = (Packet)ProtobufHelper.FromStream(packetType, (MemoryStream)source);
packet = (Packet)ProtobufHelper.FromStream(instance, (MemoryStream)source);
}
else
{
Log.Warning("Can not deserialize packet for packet id '{0}'.", header.Id.ToString());
}
}
else
{
Log.Warning("Packet header is invalid.");
}
ReferencePool.Release(header);
//DispatchMsg(packet);
return(packet);
}
public async Task <NetworkIncomingMessage <TReadPayloadBaseType> > ReadAsync(CancellationToken token)
{
TReadPayloadBaseType payload = null;
IPacketHeader header = null;
using (await readSynObj.LockAsync(token).ConfigureAwait(false))
{
//if was canceled the header reading probably returned null anyway
if (token.IsCancellationRequested)
{
return(null);
}
//We need to read enough bytes to deserialize the payload
payload = await Serializer.DeserializeAsync <TReadPayloadBaseType>(this, token)
.ConfigureAwait(false); //TODO: Should we timeout?
//Null payload means the socket disconnected
if (payload == null)
{
return(null);
}
//TODO: Any reasonable way to get the bytes read size so we can use it as the header?
//We need to create our own manual header since we aren't reading one
//However, we do not know the header size so we should just say it's 0
header = new HeaderlessPacketHeader(0);
}
//If the token was canceled then the buffer isn't filled and we can't make a message
if (token.IsCancellationRequested)
{
return(null);
}
return(new NetworkIncomingMessage <TReadPayloadBaseType>(header, payload));
}
/// <summary>
/// **GF程序集内部执行
/// 反序列化消息包
/// </summary>
/// <param name="packetHeader"></param>
/// <param name="source"></param>
/// <param name="customErrorData"></param>
/// <returns></returns>
public Packet DeserializePacket(IPacketHeader packetHeader, Stream source, out object customErrorData)
{
// 注意：此函数并不在主线程调用！
customErrorData = null;
SCPacketHeader packetHeaderImpl = packetHeader as SCPacketHeader;
if (packetHeaderImpl == null)
{
Log.Warning("Packet header is null.");
return(null);
}
Packet packet = null;
if (packetHeaderImpl.IsValid())
{
Type packetType = GetServerToClientPacketType(packetHeaderImpl.Id);
if (packetType != null)
{
packet = (Packet)RuntimeTypeModel.Default.Deserialize(source, ReferencePool.Acquire(packetType), packetType);
}
else
{
Log.Warning("Can't deserialize packet id '{0}'.", packetHeaderImpl.Id);
}
}
else
{
Log.Warning("Packet header is invalid. Id : {0}", packetHeaderImpl.Id);
}
ReferencePool.Release(packetHeaderImpl);
return(packet);
}
public Packet Deserialize(IPacketHeader packetHeader, MemoryStream sourceStream)
{
var packetId = packetHeader.PacketId;
PacketBase packet = null;
switch (packetId)
{
case 1:
packet = new Packet1();
break;
case 2:
default:
packet = new Packet2();
break;
}
packet.Deserialize(packetHeader, sourceStream);
Log.InfoFormat("[SimpleNetChannelHandler Deserialize] packet={0}", packet);
// Recycle packet header.
return(packet);
}
public abstract void Deserialize(IPacketHeader packetHeader, MemoryStream sourceStream);
public async Task <NetworkIncomingMessage <TReadPayloadBaseType> > ReadAsync(CancellationToken token)
{
IPacketHeader header = null;
TReadPayloadBaseType payload = null;
using (await readSynObj.LockAsync(token).ConfigureAwait(false))
{
await ReadAsync(PacketPayloadReadBuffer, 0, 6, token)
.ConfigureAwait(false);
//Check crypto first. We may need to decrypt this header
if (CryptoService.isInitialized)
{
CryptoService.DecryptionService.ProcessBytes(PacketPayloadReadBuffer, 0, 6, PacketPayloadReadBuffer, 0);
}
OutgoingClientPacketHeader clientHeader = Serializer.Deserialize <OutgoingClientPacketHeader>(PacketPayloadReadBuffer, 0, 6);
//TODO: Enable this logging on Debug
//Console.WriteLine($"New ClientHeader: OpCode: {clientHeader.OperationCode} PacketSize: {clientHeader.PacketSize} PayloadSize: {clientHeader.PayloadSize}");
header = clientHeader;
//Console.WriteLine($"Recieved OpCode: {clientHeader.OperationCode}:{(ushort)clientHeader.OperationCode} from client Encrypted:{CryptoService.isInitialized}");
//If the header is null it means the socket disconnected
if (header == null)
{
return(null);
}
//if was canceled the header reading probably returned null anyway
if (token.IsCancellationRequested)
{
return(null);
}
//We need to start reading at 2 bytes so we can manually insert the opcode
//into the payload buffer
await ReadAsync(PacketPayloadReadBuffer, 2, header.PayloadSize, token)
.ConfigureAwait(false); //TODO: Should we timeout?
//RACE CONDITION. WE NEED TO LOCK AROUND READING FRM THIS BUFF
byte[] reinterpretedOpCode = ((short)clientHeader.OperationCode).Reinterpret();
PacketPayloadReadBuffer[0] = reinterpretedOpCode[0];
PacketPayloadReadBuffer[1] = reinterpretedOpCode[1];
//If the token was canceled then the buffer isn't filled and we can't make a message
if (token.IsCancellationRequested)
{
return(null);
}
//TODO: Revisit thbis to check if +2 is ok
//Deserialize the bytes starting from the begining but ONLY read up to the payload size. We reuse this buffer and it's large
//so if we don't specify the length we could end up with an issue.
//We have to read for and additional two bytes due to the payyload data shifted 2 bytes forward
payload = Serializer.Deserialize <TReadPayloadBaseType>(PacketPayloadReadBuffer, 0, header.PayloadSize + 2);
}
return(new NetworkIncomingMessage <TReadPayloadBaseType>(header, payload));
}
private void OnReceiveCompleted(object sender, SocketAsyncEventArgs e)
{
CoreLog.DebugFormat("[TcpChannel OnReceiveCompleted] socket error is '{0}', bytes transffered is {1}.",
e.SocketError, e.BytesTransferred);
// Receiving failed.
if (e.SocketError != SocketError.Success)
{
Close();
OnError("Receiving data failed. Error data is a SocketError.", e.SocketError);
return;
}
// Server stops this connection.
if (e.BytesTransferred == 0)
{
Close();
OnError("Server stops this connection.", null);
return;
}
// Receiving succeeded.
m_ReceiveStream.Write(m_ReceiveBuffer, 0, e.BytesTransferred);
long length = m_ReceiveStream.Position;
m_ReceiveStream.Position = 0;
while (m_ReceiveStream.Position < length)
{
if (m_CurrentPacketHeader == null) // Should read the next packet header.
{
// Packet header has not been completed received.
if (length - m_ReceiveStream.Position < ReceivePacketHeaderLength)
{
break;
}
// Read the packet header.
m_CurrentPacketHeader = Handler.DeserializePacketHeader(m_ReceiveStream);
}
else // Should read the next packet body.
{
// Current packet has not been completely received.
if (length - m_ReceiveStream.Position < m_CurrentPacketHeader.PacketLength)
{
break;
}
{
var packetHeader = m_CurrentPacketHeader;
m_CurrentPacketHeader = null;
var packet = Handler.Deserialize(packetHeader, m_ReceiveStream);
lock (m_PacketsToReceive)
{
m_PacketsToReceive.Enqueue(packet);
}
}
}
}
var underlyingBuffer = m_ReceiveStream.GetBuffer();
Buffer.BlockCopy(underlyingBuffer, (int)m_ReceiveStream.Position, underlyingBuffer, 0,
(int)(length - m_ReceiveStream.Position));
m_ReceiveStream.Position = length - m_ReceiveStream.Position;
if (m_State != NetChannelState.Connected)
{
return;
}
Receive();
}
public ReceiveState()
{
m_Stream = new MemoryStream(DefaultBufferLength);
m_PacketHeader = null;
m_Disposed = false;
}
