/// <summary>
/// Reads one frame from the stream
/// </summary>
/// <param name="remoteTcpPeer">Remote peer</param>
/// <param name="leftOvers">Any left overs from previous call or null</param>
/// <param name="cancellationToken"></param>
/// <returns>Frame result</returns>
public virtual async Task <ReadFrameResult> ReadFrameAsync(IRemoteTcpPeer remoteTcpPeer, byte[] leftOvers, CancellationToken cancellationToken)
{
bool open;
int frameLength;
var readBuffer = new byte[this.DefragmentationStrategy.FrameHeaderLength];
open = await remoteTcpPeer.TcpStream.ReadUntilBufferIsFullAsync(readBuffer, 0, readBuffer.Length, cancellationToken)
.ConfigureAwait(false);
if (!open)
{
return(ReadFrameResult.StreamClosedResult);
}
frameLength = this.DefragmentationStrategy.GetFrameLength(readBuffer);
if (frameLength < 1)
{
return(ReadFrameResult.FrameDroppedResult);
}
var frameBuffer = new byte[frameLength];
Array.Copy(readBuffer, 0, frameBuffer, 0, readBuffer.Length);
open = await remoteTcpPeer.TcpStream.ReadUntilBufferIsFullAsync(frameBuffer, readBuffer.Length, frameLength - readBuffer.Length, cancellationToken)
.ConfigureAwait(false);
if (!open)
{
return(ReadFrameResult.StreamClosedResult);
}
return(new ReadFrameResult(frameBuffer));
}
private void ConnectionEstablished(object sender, ConnectionEstablishedEventArgs e)
{
log.Info("TpsService: Tps Connection is established.");
peer = e.RemoteTcpPeer;
log.Info($"TpsService: Connected to [{peer.IPEndPoint}]");
TpsConnectionEstablished?.Invoke();
}
public async void ConnectToNcc(string ip, int port, string nodeName)
{
var client = new AsyncNetTcpClient(ip, port);
client.ConnectionEstablished += (s, e) =>
{
_client = e.RemoteTcpPeer;
Console.WriteLine($"Connected to CableCloud");
var hello = $"INIT {nodeName}";
var bytes = _objectSerializerService.Serialize(hello);
_client.Post(bytes);
};
client.FrameArrived += (s, e) =>
{
OnDataReceived(e);
//Console.WriteLine($"Client received: " +
// $"{System.Text.Encoding.UTF8.GetString(e.FrameData)}");
};
await client.StartAsync(CancellationToken.None);
//_client = new SimpleTcpClient();
//_client.Connect(ip, port);
//_logService.LogInfo("Connected to NCC");
//_client.Write($"INIT {nodeName}");
//_client.DataReceived += OnDataReceived;
}
private void ConnectionClosed(object sender, ConnectionClosedEventArgs e)
{
log.Info("TpsService: Connection is Closed.");
TpsConnectionClosed?.Invoke();
peer?.Dispose();
peer = null;
awaitaiblePeer?.Dispose();
awaitaiblePeer = null;
}
public AwaitaibleRemoteTcpPeer(IRemoteTcpPeer remoteTcpPeer, int frameBufferBoundedCapacity = -1)
{
this.RemoteTcpPeer = remoteTcpPeer;
this.RemoteTcpPeer.FrameArrived += this.FrameArrivedCallback;
this.RemoteTcpPeer.ConnectionClosed += this.ConnectionClosedCallback;
this.frameBuffer = new BufferBlock <byte[]>(new DataflowBlockOptions()
{
BoundedCapacity = frameBufferBoundedCapacity
});
}
void InitTcpServer()
{
remoteTcpPeerMap = new Dictionary <long, IRemoteTcpPeer>();
ipEndPointIDMap = new Dictionary <IPEndPoint, long>();
Debug.Log("ManagedThreadId:" + Thread.CurrentThread.ManagedThreadId);
server = new AsyncNetTcpServer(12100);
server.ConnectionClosed += (sender, e) => //当特定客户端/对等端连接关闭时触发
{
};
server.ConnectionEstablished += (sender, e) => //当新客户机/对等点连接到服务器时触发
{
IRemoteTcpPeer peer = e.RemoteTcpPeer;
Debug.Log($"New connection from [{peer.IPEndPoint}]");
Debug.Log("ManagedThreadId:" + Thread.CurrentThread.ManagedThreadId);
long id = IdGenerater.GenerateId();
remoteTcpPeerMap[id] = peer;
ipEndPointIDMap[peer.IPEndPoint] = id;
};
server.FrameArrived += (sender, e) =>//TCP帧从特定客户端/对等端到达时触发
{
Console.WriteLine($"Server received: {System.Text.Encoding.UTF8.GetString(e.FrameData)}");
var peer = e.RemoteTcpPeer;
byte[] framedata = e.FrameData;
int offser = 0;
int remain = framedata.Length;
int len = 0;
int cmd = 0;
while (remain > offser)
{
offser += Utils.Decode32(framedata, offser, ref len);
offser += Utils.Decode32(framedata, offser, ref cmd);
//offser += Utils.Decode32(framedata, offser, ref cmd);
dispatcher[cmd]?.Execute(framedata, offser, len, ipEndPointIDMap[e.RemoteTcpPeer.IPEndPoint]);
offser += len;
}
};
server.RemoteTcpPeerExceptionOccured += (sender, e) =>//当处理特定客户机/对等点时发生错误时触发
{
};
server.ServerExceptionOccured += (sender, e) =>//当服务器出现问题时触发
{
};
server.ServerStarted += (sender, e) => //当服务器开始运行时触发
{
Console.WriteLine($"Server started on port: " + $"{e.ServerPort}");
};
server.UnhandledExceptionOccured += (sender, e) => //当未处理的错误发生时触发——例如，当事件订阅程序抛出异常时
{
};
server.StartAsync(CancellationToken.None);
}
public async void StartClientDomain(string ip, int port, string nodeName)
{
var clientDomain = new AsyncNetTcpClient(ip, port);
clientDomain.ConnectionEstablished += (s, e) =>
{
_clientDomain = e.RemoteTcpPeer;
_logService.LogInfo($"Connected to Domain CC and RC");
var hello = $"INIT {nodeName}";
var bytes = _objectSerializerService.Serialize(hello);
_clientDomain.Post(bytes);
};
clientDomain.FrameArrived += (s, e) =>
{
OnDataReceived(e);
};
await clientDomain.StartAsync(CancellationToken.None);
}
public async void ConnectToNcc(string ip, int port, string nodeName)
{
var client = new AsyncNetTcpClient(ip, port);
client.ConnectionEstablished += (s, e) =>
{
_client = e.RemoteTcpPeer;
Console.WriteLine($"Connected to NCC");
var hello = $"INIT {nodeName}";
var bytes = _objectSerializerService.Serialize(hello);
_client.Post(bytes);
};
client.FrameArrived += (s, e) =>
{
OnDataReceived(e);
};
await client.StartAsync(CancellationToken.None);
}
private void ProcessPackage(IRemoteTcpPeer handler, EonPacket package)
{
var incomingNode = _nodeOfSocket[handler];
var incomingPort = package.Port;
var cable = GetCable(incomingNode, incomingPort);
_logService.LogInfo($"Received package from {incomingNode}:{incomingPort}, Content: {package.Content}");
if (cable == null)
{
_logService.LogWarning($"There is no cable, from {incomingNode}:{incomingPort}");
return;
}
var nextNode = cable.Node2;
var nextPort = cable.Port2;
if (nextNode == incomingNode)
{
nextNode = cable.Node1;
nextPort = cable.Port1;
}
if (cable.Status)
{
package.Port = nextPort;
if (!_socketOfNode.ContainsKey(nextNode))
{
_logService.LogWarning($"{nextNode} is not connected to CableCloud");
return;
}
SendPacket(_socketOfNode[nextNode], package);
_logService.LogInfo("Sending package from: " + incomingNode + ":" + incomingPort + " to: " + nextNode + ":" + nextPort);
}
else
{
_logService.LogInfo("Discarding package (cable disabled) from: " + incomingNode + ":" + incomingPort + " to: " + nextNode + ":" + nextPort);
}
}
private void AddToTranslationDictionary(IRemoteTcpPeer handler, IReadOnlyList <string> parts)
{
while (true)
{
var success = _nodeOfSocket.TryAdd(handler.TcpClient.Client, parts[1]);
if (success)
{
break;
}
Thread.Sleep(100);
}
while (true)
{
var success = _socketOfNode.TryAdd(parts[1], handler.TcpClient.Client);
if (success)
{
break;
}
Thread.Sleep(100);
}
}
public ConnectionClosedData(IRemoteTcpPeer remoteTcpPeer, ConnectionCloseReason connectionCloseReason)
{
this.RemoteTcpPeer = remoteTcpPeer;
this.ConnectionCloseReason = connectionCloseReason;
}
public RemoteTcpPeerExceptionEventArgs(IRemoteTcpPeer remoteTcpPeer, Exception ex) : base(ex)
{
this.RemoteTcpPeer = remoteTcpPeer;
}
public RemoteTcpPeerErrorData(IRemoteTcpPeer remoteTcpPeer, Exception exception) : base(exception)
{
this.RemoteTcpPeer = remoteTcpPeer;
}
public ConnectionEstablishedData(IRemoteTcpPeer remoteTcpPeer)
{
this.RemoteTcpPeer = remoteTcpPeer;
}
public void SendMessage(IRemoteTcpPeer handler, ISignalingMessage message)
{
handler.Post(_objectSerializerService.Serialize(message));
}
public void SendPacket(IRemoteTcpPeer handler, EonPacket package)
{
handler.Post(_objectSerializerService.Serialize(package));
}
/// <summary>
/// Reads one frame from the stream
/// </summary>
/// <param name="remoteTcpPeer">Remote peer</param>
/// <param name="leftOvers">Any left overs from previous call or null</param>
/// <param name="cancellationToken"></param>
/// <returns>Frame result</returns>
public virtual async Task <ReadFrameResult> ReadFrameAsync(IRemoteTcpPeer remoteTcpPeer, byte[] leftOvers, CancellationToken cancellationToken)
{
byte[] frameBuffer;
int readLength;
int frameLength = 0;
int dataLength = leftOvers?.Length ?? 0;
frameBuffer = leftOvers = leftOvers ?? MixedDefragmenter.emptyArray;
if (dataLength > 0)
{
frameLength = this.DefragmentationStrategy.GetFrameLength(frameBuffer, dataLength);
}
while (frameLength == 0)
{
if (this.DefragmentationStrategy.ReadType == MixedDefragmentationStrategyReadType.ReadFully)
{
if (this.DefragmentationStrategy.ReadBufferLength > dataLength)
{
frameBuffer = new byte[this.DefragmentationStrategy.ReadBufferLength];
}
else
{
frameBuffer = new byte[dataLength];
}
}
else
{
frameBuffer = new byte[dataLength + this.DefragmentationStrategy.ReadBufferLength];
}
if (dataLength > 0)
{
Array.Copy(leftOvers, 0, frameBuffer, 0, dataLength);
}
leftOvers = frameBuffer;
if (this.DefragmentationStrategy.ReadType == MixedDefragmentationStrategyReadType.ReadNewFully)
{
var open = await remoteTcpPeer.TcpStream.ReadUntilBufferIsFullAsync(frameBuffer, dataLength, this.DefragmentationStrategy.ReadBufferLength, cancellationToken)
.ConfigureAwait(false);
if (!open)
{
readLength = 0;
}
else
{
readLength = this.DefragmentationStrategy.ReadBufferLength;
}
}
else if (this.DefragmentationStrategy.ReadType == MixedDefragmentationStrategyReadType.ReadFully)
{
var open = await remoteTcpPeer.TcpStream.ReadUntilBufferIsFullAsync(frameBuffer, 0, this.DefragmentationStrategy.ReadBufferLength, cancellationToken)
.ConfigureAwait(false);
if (!open)
{
readLength = 0;
}
else
{
readLength = this.DefragmentationStrategy.ReadBufferLength;
}
}
else
{
readLength = await remoteTcpPeer.TcpStream.ReadWithRealCancellationAsync(frameBuffer, dataLength, this.DefragmentationStrategy.ReadBufferLength, cancellationToken)
.ConfigureAwait(false);
}
if (readLength < 1)
{
return(ReadFrameResult.StreamClosedResult);
}
dataLength += readLength;
frameLength = this.DefragmentationStrategy.GetFrameLength(frameBuffer, dataLength);
if (frameLength < 0)
{
return(ReadFrameResult.FrameDroppedResult);
}
}
if (dataLength < frameLength)
{
if (frameBuffer.Length < frameLength)
{
frameBuffer = new byte[frameLength];
Array.Copy(leftOvers, 0, frameBuffer, 0, dataLength);
}
var open = await remoteTcpPeer.TcpStream.ReadUntilBufferIsFullAsync(frameBuffer, dataLength, frameLength - dataLength, cancellationToken)
.ConfigureAwait(false);
if (!open)
{
return(ReadFrameResult.StreamClosedResult);
}
dataLength = frameLength;
leftOvers = null;
}
else if (dataLength > frameLength)
{
var frameData = new byte[frameLength];
var leftOversLength = dataLength - frameLength;
leftOvers = new byte[leftOversLength];
Array.Copy(frameBuffer, 0, frameData, 0, frameLength);
Array.Copy(frameBuffer, frameLength, leftOvers, 0, leftOversLength);
frameBuffer = frameData;
}
else
{
if (frameBuffer.Length > dataLength)
{
frameBuffer = new byte[dataLength];
Array.Copy(leftOvers, 0, frameBuffer, 0, dataLength);
}
leftOvers = null;
}
return(new ReadFrameResult(frameBuffer, leftOvers));
}
public ConnectionEstablishedEventArgs(IRemoteTcpPeer remoteTcpPeer)
{
this.RemoteTcpPeer = remoteTcpPeer;
}
public ConnectionClosedEventArgs(IRemoteTcpPeer remoteTcpPeer)
{
this.RemoteTcpPeer = remoteTcpPeer;
}
/// <summary>
/// Creates <see cref="TcpFrameArrivedEventArgs"/> with sender and frame data
/// </summary>
/// <param name="remoteTcpPeer">Sender</param>
/// <param name="frameData">Entire frame data including any headers</param>
public TcpFrameArrivedEventArgs(IRemoteTcpPeer remoteTcpPeer, byte[] frameData)
{
this.RemoteTcpPeer = remoteTcpPeer;
this.FrameData = frameData;
}
