private static void Client_ConnectFailed(object sender, EventArgs e)
{
if (ConnectFailed != null)
{
ConnectFailed.Invoke(sender, e);
}
}
private void OnConnectFailed()
{
if (ConnectFailed != null)
{
ConnectFailed.Invoke(this, new EventArgs());
}
connectExit.Set();
}
void socket_ConnectFailed(object sender, EventArgs e)
{
AsynchronousSocket socket = sender as AsynchronousSocket;
if (ConnectFailed != null)
{
ConnectFailed.Invoke(this, new EventArgs());
}
}
public TcpClient(SocketManager socketManager)
{
maxBufferSize = 1024;
ConnectTimeout = 5f;
this.socketManager = socketManager;
this.hearBeat = new HearBeat(socketManager, this);
ConnectSuccess += hearBeat.Start;
ConnectAbort += hearBeat.Stop;
MsgManager.Instance.Regist(MsgID.ConnectSuccess, (data) => ConnectSuccess?.Invoke());
MsgManager.Instance.Regist(MsgID.ConnectFailed, (data) => ConnectFailed?.Invoke());
MsgManager.Instance.Regist(MsgID.ConnectAbort, (data) => ConnectAbort?.Invoke());
}
/// <summary>
/// (re)establish the connection to the specified ip
/// </summary>
/// <returns></returns>
public void Connect()
{
Task.Run(() => {
Thread.CurrentThread.CurrentUICulture = new CultureInfo("en-us");
Debug.WriteLine($"Trying to connect to {ip}");
client = new TcpClient();
try {
client.Connect(ip, 8888);
Debug.WriteLine("Connection successfull");
stream = client.GetStream();
ConnectionEstablished?.Invoke(this, EventArgs.Empty);
} catch (SocketException e) {
ConnectFailed?.Invoke(this, EventArgs.Empty);
Debug.WriteLine($"Couldn't connect because of {e}");
}
});
}
private void EndConnect(IAsyncResult result)
{
SocketAsyncState state = (SocketAsyncState)result.AsyncState;
try
{
Socket.EndConnect(result);
}
catch (Exception ex)
{
//出现异常，连接失败。
state.Completed = true;
//判断是否为异步，异步则引发事件
if (state.IsAsync)
{
ConnectFailed?.Invoke(this, new SocketEventArgs(this, SocketAsyncOperation.Connect, ex.Message));
}
return;
}
//连接成功。
//创建Socket网络流
Stream = new NetworkStream(Socket);
if (IsUseAuthenticate)
{
NegotiateStream negotiate = new NegotiateStream(Stream);
negotiate.AuthenticateAsClient();
while (!negotiate.IsMutuallyAuthenticated)
{
Thread.Sleep(10);
}
}
//连接完成
state.Completed = true;
if (state.IsAsync)
{
ConnectCompleted?.Invoke(this, new SocketEventArgs(this, SocketAsyncOperation.Connect));
}
//开始接收数据
Handler.BeginReceive(Stream, EndReceive, state);
}
private void Listen()
{
while (true)
{
try
{
byte[] data = new byte[512];
StringBuilder builder = new StringBuilder();
int bytes = 0;
do
{
bytes = Stream.Read(data, 0, data.Length);
builder.Append(Encoding.UTF8.GetString(data, 0, bytes));
}while (Stream.DataAvailable);
var message = builder.ToString();
if (!string.IsNullOrWhiteSpace(message))
{
var messages = message.Split('$');
foreach (var protocolMessage in messages)
{
if (string.IsNullOrWhiteSpace(protocolMessage))
{
continue;
}
ProcessingConveyor.Process(protocolMessage);
}
}
}
catch (Exception e)
{
ConnectFailed?.Invoke();
break;
}
}
}
protected virtual void OnConnectFailed()
{
var args = new NetConnectFailArgs();
ConnectFailed?.Invoke(this, args);
}
public void ProcessPackets()
{
while (_messageChannel.Reader.TryRead(out var item))
{
switch (item)
{
case ConnectMessage connect:
{
DebugTools.Assert(IsServer);
var writer = connect.ChannelWriter;
var uid = _genConnectionUid();
var sessionId = new NetSessionId($"integration_{uid}");
var connectArgs =
new NetConnectingArgs(sessionId, new IPEndPoint(IPAddress.IPv6Loopback, 0));
Connecting?.Invoke(this, connectArgs);
if (connectArgs.Deny)
{
writer.TryWrite(new DeniedConnectMessage());
continue;
}
writer.TryWrite(new ConfirmConnectMessage(uid, sessionId));
var channel = new IntegrationNetChannel(this, connect.ChannelWriter, uid, sessionId, connect.Uid);
_channels.Add(uid, channel);
Connected?.Invoke(this, new NetChannelArgs(channel));
break;
}
case DataMessage data:
{
IntegrationNetChannel?channel;
if (IsServer)
{
if (!_channels.TryGetValue(data.Connection, out channel))
{
continue;
}
}
else
{
if (ServerChannel == null || data.Connection != ServerChannel.ConnectionUid)
{
continue;
}
channel = ServerChannel;
}
var message = data.Message;
message.MsgChannel = channel;
if (_callbacks.TryGetValue(message.GetType(), out var callback))
{
callback(message);
}
break;
}
case DisconnectMessage disconnect:
{
if (IsServer)
{
if (_channels.TryGetValue(disconnect.Connection, out var channel))
{
Disconnect?.Invoke(this, new NetDisconnectedArgs(channel, string.Empty));
_channels.Remove(disconnect.Connection);
}
}
else
{
_channels.Clear();
}
break;
}
case DeniedConnectMessage _:
{
DebugTools.Assert(IsClient);
ConnectFailed?.Invoke(this, new NetConnectFailArgs("I didn't implement a deny reason!"));
break;
}
case ConfirmConnectMessage confirm:
{
DebugTools.Assert(IsClient);
var channel = new IntegrationNetChannel(this, NextConnectChannel !, _clientConnectingUid,
confirm.SessionId, confirm.AssignedUid);
_channels.Add(channel.ConnectionUid, channel);
Connected?.Invoke(this, new NetChannelArgs(channel));
break;
}
default:
throw new ArgumentOutOfRangeException();
}
}
}
/// <summary>
/// Raises the ConnectFailed event.
/// </summary>
/// <param name="ex"></param>
protected void OnConnectFailed(Exception ex)
{
ConnectFailed?.Invoke(ex);
}
protected virtual void OnConnectFailed(string reason)
{
var args = new NetConnectFailArgs(reason);
ConnectFailed?.Invoke(this, args);
}
protected void OnConnectFailed(Connection conn, ConnectionResult result)
{
ConnectionResultArgs args = new ConnectionResultArgs(conn, result);
ConnectFailed?.Invoke(args);
}
private void RaiseConnectFailed(BLEErrorCode code) => ConnectFailed?.Invoke(this, new BLEErrorEventArgs(code));
void OnConnectionFail(P2PSessionConnectFail_t ev)
{
Debug.Log($"Connect Failed to {ev.m_steamIDRemote}");
ConnectFailed?.Invoke(ev);
}
protected void OnConnectFailed(SocketResultCode result)
{
ConnectFailed?.Invoke(this, result);
}