|
public AcceptAsync ( |
||
| e | ||
| return | bool | |
/// <summary>
/// 루프를 돌며 클라이언트를 받아 들이고
/// 하나의 접속 처리가 완료된 후 다음 accept를 수행하기 위해서 event객체를 통해 흐름을 제어함.
/// </summary>
private void DoListen()
{
_flowControlEvent = new AutoResetEvent(false);
while (true)
{
// SocketAsyncEventArgs를 재사용 하기 위해서 null로 만들어 준다.
_acceptArgs.AcceptSocket = null;
bool pending = true;
try
{
// 비동기 accept를 호출하여 클라이언트의 접속을 받아들입니다.
// 비동기 매소드 이지만 동기적으로 수행이 완료될 경우도 있으니
// 리턴값을 확인하여 분기시켜야 합니다.
pending = _listenSocket.AcceptAsync(_acceptArgs);
}
catch (Exception e)
{
Console.WriteLine(e.Message);
continue;
}
// 즉시 완료 되면 이벤트가 발생하지 않으므로 리턴값이 false일 경우 콜백 매소드를 직접 호출해 줍니다.
// pending상태라면 비동기 요청이 들어간 상태이므로 콜백 매소드를 기다리면 됩니다.
if (pending == false)
{
OnAcceptCompleted(null, _acceptArgs);
}
// 클라이언트 접속 처리가 완료되면 이벤트 객체의 신호를 전달받아 다시 루프를 수행하도록 합니다.
_flowControlEvent.WaitOne();
}
}
/// <summary>
/// Helper, assign the pending async accept args.
/// </summary>
SocketAsyncEventArgs AssignAsyncAcceptArgs()
{
System.Net.Sockets.Socket listenSocket = _listenSocket;
if (listenSocket == null)
{
return(null);
}
SocketAsyncEventArgs e = new SocketAsyncEventArgs();
e.Completed += new EventHandler <SocketAsyncEventArgs>(SocketAsyncEventArgs_Completed);
if (listenSocket.AcceptAsync(e) == false)
{
if (e.SocketError == SocketError.Success)
{
SocketAsyncEventArgs_Completed(this, e);
}
else
{// Accept failed.
#if Matrix_Diagnostics
Monitor.Fatal("Async accept failed.");
#endif
}
}
return(e);
}
private void Initialize(IPEndPoint endpoint, Action<TcpStreamChannel> onClientAccepted)
{
if (endpoint == null)
{
throw new ArgumentNullException("endpoint");
}
if (onClientAccepted == null)
{
throw new ArgumentNullException("onClientConnected");
}
_onClientAcceptedAction = onClientAccepted;
_listenSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
_listenSocket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.KeepAlive, true);
_listenSocket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.DontLinger, true);
_listenSocket.Bind(endpoint);
_listenSocket.Listen(10);
_acceptEventArg = new SocketAsyncEventArgs();
_acceptEventArg.Completed += OnAcceptNewClient;
if (!_listenSocket.AcceptAsync(_acceptEventArg))
{
OnAcceptNewClient(null, _acceptEventArg);
}
}
public EndPointListener(
IPAddress address,
int port,
bool secure,
string certFolderPath,
X509Certificate2 defaultCert
)
{
if (secure) {
_secure = secure;
_cert = getCertificate (port, certFolderPath, defaultCert);
if (_cert == null)
throw new ArgumentException ("Server certificate not found.");
}
_endpoint = new IPEndPoint (address, port);
_socket = new Socket (address.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
_socket.Bind (_endpoint);
_socket.Listen (500);
var args = new SocketAsyncEventArgs ();
args.UserToken = this;
args.Completed += onAccept;
_socket.AcceptAsync (args);
_prefixes = new Dictionary<ListenerPrefix, HttpListener> ();
_unregistered = new Dictionary<HttpConnection, HttpConnection> ();
}
private void StartListening()
{
try
{
var listener = new System.Net.Sockets.Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
listener.Bind(_iPEndPoint);
listener.Listen(200);
_isStart = true;
while (_isStart)
{
_acceptEvent.AcceptSocket = null;
_allDone.Reset();
var pending = listener.AcceptAsync(_acceptEvent);
if (!pending)
{
Accept_Completed(null, _acceptEvent);
}
_allDone.WaitOne();
}
}
catch (Exception.Exception ex)
{
throw ex;
}
}
private void Listen(IPEndPoint localEndpoint)
{
_logger.Trace("Listen (sync) using local endpoint {0}", localEndpoint);
// create a socket
_listener = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
// bind and listen
try
{
_listener.Bind(localEndpoint);
_listener.Listen(1);
// accept the next connection
bool completesAsynchronously = _listener.AcceptAsync(_socketOperation);
if (!completesAsynchronously)
{
SocketAsyncEventArgs_Completed(_socketOperation.AcceptSocket, _socketOperation);
}
}
catch (Exception ex)
{
// raise error event
var handlers = Error;
if (handlers != null)
{
var args = new NetworkErrorEventArgs("The listen operation failed: " + ex.ToString(), null, ex);
handlers(this, args);
}
}
}
internal void Listen(String ipAddress, Int32 portNo)
{
try
{
if (_listenSocket != null)
throw new AegisException(AegisResult.AcceptorIsRunning, "Acceptor is already running.");
if (ipAddress.Length == 0)
_listenEndPoint = new IPEndPoint(IPAddress.Any, portNo);
else
_listenEndPoint = new IPEndPoint(IPAddress.Parse(ipAddress), portNo);
_listenSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
_listenSocket.Bind(_listenEndPoint);
_listenSocket.Listen(100);
Logger.Write(LogType.Info, 1, "Listening on {0}, {1}", _listenEndPoint.Address, _listenEndPoint.Port);
_listenSocket.AcceptAsync(_eventAccept);
}
catch (AegisException)
{
throw;
}
catch (Exception e)
{
throw new AegisException(AegisResult.NetworkError, e, e.Message);
}
}
public void StartListening(int port)
{
Socket listener = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
IPEndPoint ipEndPoint = new IPEndPoint(IPAddress.Any, port);
try
{
listener.Bind(ipEndPoint);
listener.Listen(5);
while(true)
{
allDone.Reset();
listener.AcceptAsync(new SocketAsyncEventArgs()
{
});
allDone.WaitOne();
}
}
catch (Exception ex)
{
}
}
public async ValueTask <ConnectionContext> AcceptAsync(CancellationToken cancellationToken = default)
{
while (true)
{
try {
var acceptSocket = await _listenSocket.AcceptAsync();
// Only apply no delay to Tcp based endpoints
if (acceptSocket.LocalEndPoint is IPEndPoint)
{
acceptSocket.NoDelay = _options.NoDelay;
}
var connection = new SocketConnection(acceptSocket, _memoryPool, _schedulers[_schedulerIndex], _trace, _options.MaxReadBufferSize, _options.MaxWriteBufferSize);
connection.Start();
_schedulerIndex = (_schedulerIndex + 1) % _numSchedulers;
return(connection);
} catch (ObjectDisposedException) {
// A call was made to UnbindAsync/DisposeAsync just return null which signals we're done
return(null);
} catch (SocketException e) when(e.SocketErrorCode == SocketError.OperationAborted)
{
// A call was made to UnbindAsync/DisposeAsync just return null which signals we're done
return(null);
} catch (SocketException) {
// The connection got reset while it was in the backlog, so we try again.
_trace.ConnectionReset(connectionId: "(null)");
}
}
}
public async System.Threading.Tasks.ValueTask <ConnectionContext> AcceptAsync(CancellationToken cancellationToken = default)
{
while (true)
{
try
{
var acceptSocket = await _listenSocket.AcceptAsync();
acceptSocket.NoDelay = _options.NoDelay;
var connection = new SocketConnection(acceptSocket, _memoryPool, _schedulers.GetScheduler(), _trace);
connection.Start();
return(connection);
}
catch (ObjectDisposedException)
{
// A call was made to UnbindAsync/DisposeAsync just return null which signals we're done
return(null);
}
catch (SocketException e) when(e.SocketErrorCode == SocketError.OperationAborted)
{
// A call was made to UnbindAsync/DisposeAsync just return null which signals we're done
return(null);
}
catch (SocketException)
{
// The connection got reset while it was in the backlog, so we try again.
_trace.ConnectionReset(connectionId: "(null)");
}
}
}
/// <summary>
/// 启动监听
/// </summary>
/// <param name="config">服务器配置</param>
/// <returns></returns>
public override bool Start(IServerConfig config)
{
m_ListenSocket = new System.Net.Sockets.Socket(this.Info.EndPoint.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
try
{
//关联终结地
m_ListenSocket.Bind(this.Info.EndPoint);
//设置监听最大连接数
m_ListenSocket.Listen(m_ListenBackLog);
m_ListenSocket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.KeepAlive, true);
m_ListenSocket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.DontLinger, true);
//初始化套接字操作
SocketAsyncEventArgs acceptEventArg = new SocketAsyncEventArgs();
m_AcceptSAE = acceptEventArg;
//定义一个连接完成事件
acceptEventArg.Completed += new EventHandler<SocketAsyncEventArgs>(acceptEventArg_Completed);
if (!m_ListenSocket.AcceptAsync(acceptEventArg))
{
ProcessAccept(acceptEventArg);
}
return true;
}
catch (Exception e)
{
OnError(e);
return false;
}
}
public override void Start()
{
if (!Disposed)
{
FSocket = new System.Net.Sockets.Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
FSocket.Bind(LocalEndPoint);
FSocket.Listen(FBackLog * FAcceptThreads);
//----- Begin accept new connections!
int loopCount = 0;
SocketAsyncEventArgs e = null;
for (int i = 1; i <= FAcceptThreads; i++)
{
e = new SocketAsyncEventArgs();
e.UserToken = this;
e.Completed += new EventHandler <SocketAsyncEventArgs>(BeginAcceptCallbackAsync);
if (!FSocket.AcceptAsync(e))
{
BeginAcceptCallbackAsync(this, e);
}
;
ThreadEx.LoopSleep(ref loopCount);
}
}
}
public EndPointListener(
IPAddress address, int port, bool secure, string certFolderPath, X509Certificate2 defaultCert)
{
if (secure)
{
_secure = secure;
_cert = getCertificate(port, certFolderPath, defaultCert);
if (_cert == null)
{
throw new ArgumentException("No server certificate found.");
}
}
_endpoint = new IPEndPoint(address, port);
_prefixes = new Dictionary <ListenerPrefix, HttpListener> ();
_unregistered = new Dictionary <HttpConnection, HttpConnection> ();
_socket = new System.Net.Sockets.Socket(address.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
_socket.Bind(_endpoint);
_socket.Listen(500);
var args = new SocketAsyncEventArgs();
args.UserToken = this;
args.Completed += onAccept;
_socket.AcceptAsync(args);
}
/// <summary>
/// Starts to listen
/// </summary>
/// <param name="config">The server config.</param>
/// <returns></returns>
public override bool Start(IServerConfig config)
{
m_ListenSocket = new Socket(this.Info.EndPoint.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
try
{
m_ListenSocket.Bind(this.Info.EndPoint);
m_ListenSocket.Listen(m_ListenBackLog);
m_ListenSocket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.KeepAlive, true);
m_ListenSocket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.DontLinger, true);
//
m_ListenSocket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, true);
SocketAsyncEventArgs acceptEventArg = new SocketAsyncEventArgs();
acceptEventArg.Completed += new EventHandler<SocketAsyncEventArgs>(acceptEventArg_Completed);
if (!m_ListenSocket.AcceptAsync(acceptEventArg))
ProcessAccept(acceptEventArg);
return true;
}
catch (Exception e)
{
OnError(e);
return false;
}
}
public void AcceptAsyncShouldUseAcceptSocketFromEventArgs()
{
var readyEvent = new ManualResetEvent(false);
var mainEvent = new ManualResetEvent(false);
var listenSocket = new Socket(
AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
var serverSocket = new Socket(
AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
Socket acceptedSocket = null;
Exception ex = null;
ThreadPool.QueueUserWorkItem(_ =>
{
SocketAsyncEventArgs asyncEventArgs;
try {
listenSocket.Bind(new IPEndPoint(IPAddress.Loopback, 0));
listenSocket.Listen(1);
asyncEventArgs = new SocketAsyncEventArgs {AcceptSocket = serverSocket};
asyncEventArgs.Completed += (s, e) =>
{
acceptedSocket = e.AcceptSocket;
mainEvent.Set();
};
} catch (Exception e) {
ex = e;
return;
} finally {
readyEvent.Set();
}
try {
if (listenSocket.AcceptAsync(asyncEventArgs))
return;
acceptedSocket = asyncEventArgs.AcceptSocket;
mainEvent.Set();
} catch (Exception e) {
ex = e;
}
});
Assert.IsTrue(readyEvent.WaitOne(1500));
if (ex != null)
throw ex;
var clientSocket = new Socket(
AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
clientSocket.Connect(listenSocket.LocalEndPoint);
clientSocket.NoDelay = true;
Assert.IsTrue(mainEvent.WaitOne(1500));
Assert.AreEqual(serverSocket, acceptedSocket, "x");
mainEvent.Reset();
if (acceptedSocket != null)
acceptedSocket.Close();
listenSocket.Close();
readyEvent.Close();
mainEvent.Close();
}
private void StartAccept(SocketAsyncEventArgs args)
{
args.AcceptSocket = null;
if (!g_listener.AcceptAsync(args))
{
ProcessAccept(args);
}
}
void acceptAsync(Socket socket, SocketAsyncEventArgs e)
{
e.AcceptSocket = null;
if (socket.AcceptAsync(e) == false)
{
acceptAsyncEvent_Completed(socket, e);
}
}
public void Accept(Socket ListenSock)
{
if (false == ListenSock.AcceptAsync(FAcceptEventArg))
{
OnCompleted(ListenSock, FAcceptEventArg);
}
}
public static async Task AcceptSocketAsync(Socket server, Func<Socket, NetworkStream, StreamReader, StreamWriter, Task> funcAsync)
{
using (Socket s = await server.AcceptAsync().ConfigureAwait(false))
using (var stream = new NetworkStream(s, ownsSocket: false))
using (var reader = new StreamReader(stream, Encoding.ASCII))
using (var writer = new StreamWriter(stream, Encoding.ASCII))
{
await funcAsync(s, stream, reader, writer).ConfigureAwait(false);
}
}
private void AsyncWaitAccept(SocketAsyncEventArgs e)
{
e.AcceptSocket = null;
bool willRaiseEvent = listenSocket.AcceptAsync(e);
if (willRaiseEvent == false)
{
ProcessAccept(e);
}
}
private async Task AcceptConnectionsAsync()
{
while (!_acceptConnectionsToken.IsCancellationRequested)
{
var socketClient = new SocketClient();
var linkedCts = CancellationTokenSource.CreateLinkedTokenSource(socketClient.Token, _acceptConnectionsToken);
try
{
var newClientSocket = await _serverSocket.AcceptAsync(_acceptConnectionsToken);
var clientIp = newClientSocket.RemoteEndPoint?.ToString();
Log.Logger.Information($"Подключился новый клиент: {clientIp}");
await socketClient.CreateAsync(newClientSocket, _acceptConnectionsToken);
_clientController.AddClient(clientIp, socketClient);
_events.CallClientConnectedEvent(this, clientIp);
// await _clientController.BroadcastAllAsync("Подключился новый клиент", _listenerToken);
var _ = Task.Run(() => DataReceiverAsync(socketClient, _token), linkedCts.Token);
}
catch (Exception ex)
{
if (ex is TaskCanceledException ||
ex is OperationCanceledException ||
ex is ObjectDisposedException ||
ex is InvalidOperationException)
{
_isListen = false;
// if (socketClient != null)
// socketClient.Dispose();
Log.Logger.Information($"Stopped listening");
break;
}
else
{
// if (socketClient != null)
// socketClient.Dispose();
Log.Logger.Error($"Возникла ошибка во время ожидация новых подключений: {ex}");
continue;
}
}
}
_isListen = false;
}
/// <summary>
/// Start and listen ongoing TCP connections on the localhost on the given port
/// </summary>
/// <param name="port">port number of the connection. Use 0 for any availble port.</param>
public ServerMock(int port)
{
var endpoint = new IPEndPoint(new IPAddress(new byte[] { 127, 0, 0, 1 }), port);
_socket = new Socket(endpoint.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
_socket.Bind(endpoint);
ListenEndPoint = _socket.LocalEndPoint as IPEndPoint;
_socket.Listen((int)SocketOptionName.MaxConnections);
var acceptEventArgs = GetAcceptEventArgs();
if (!_socket.AcceptAsync(acceptEventArgs))
throw new Exception("Unable to listen on " + ListenEndPoint);
_acceptedSockets = new List<Socket>();
ResponseHeader = new byte[MemcacheResponseHeader.Size];
}
private void start()
{
m_ServerSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
IPEndPoint ipep = new IPEndPoint(IPAddress.Any, 9001);
m_ServerSocket.Bind(ipep);
m_ServerSocket.Listen(20);
SocketAsyncEventArgs args = new SocketAsyncEventArgs();
args.Completed += new EventHandler<SocketAsyncEventArgs>(Accept_Completed);
m_ServerSocket.AcceptAsync(args);
while (true)
{
}
}
public AwaitIo AcceptAsync(Socket listener, bool post_read_buffers = false)
{
if (post_read_buffers)
{
var ds = _data.GetSegmentToRead();
int pos = ds.Count, bts = ds.Size - pos;
SetBuffer(ds.Buffer, ds.Offset + pos, bts);
}
// see Recv() comments on SuppressFlow.
var async = false;
var aFC = ExecutionContext.SuppressFlow();
try { async = listener.AcceptAsync(this); } finally { aFC.Undo(); }
return CheckCompleted(async);
}
void AcceptIteration()
{
const int BufferSize = 1024 * 1024; // won't ever be 1mb
var Accept = new SocketAsyncEventArgs();
Accept.Completed += OnAccept;
//Recv.RemoteEndPoint = new IPEndPoint(IPAddress.Any, 0);
// returns if is pending, if false, it completed synchronously
if (!Socket.AcceptAsync(Accept))
{
OnAccept(this.Socket, Accept);
}
}
private static void AcceptAsync(IntPtr info)
{
NSJSFunctionCallbackInfo arguments = NSJSFunctionCallbackInfo.From(info);
bool success = false;
do
{
SocketContext context = GetSocketContext(arguments.This);
if (context == null)
{
Throwable.ObjectDisposedException(arguments.VirtualMachine);
break;
}
SOCKET socket = context.Socket;
if (socket == null || SocketExtension.CleanedUp(socket))
{
Throwable.ObjectDisposedException(arguments.VirtualMachine);
break;
}
NSJSFunction callback = arguments.Length > 0 ? arguments[0] as NSJSFunction : null;
try
{
SocketAsyncEventArgs e = context.AcceptAsync;
if (e != null)
{
break;
}
e = new SocketAsyncEventArgs();
e.Completed += ProcessAccept;
e.UserToken = context;
context.AcceptAsync = e;
if (callback != null)
{
NSJSObject socketobject = arguments.This;
callback.CrossThreading = true;
context.AcceptAsyncCallback = callback;
}
if (!socket.AcceptAsync(e))
{
ProcessAccept(socket, e);
}
success = true;
}
catch (Exception e)
{
Throwable.Exception(arguments.VirtualMachine, e);
}
} while (false);
arguments.SetReturnValue(success);
}
public override void Initialize()
{
if (_socket != null) return;
_socket = new Socket(_ipv6 ? AddressFamily.InterNetworkV6 : AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
_socket.ExclusiveAddressUse = true;
_socket.Bind(new IPEndPoint(_ipv6 ? IPAddress.IPv6Any : IPAddress.Any, _port));
_socket.Listen(100);
var args = new SocketAsyncEventArgs();
args.Completed += AcceptAsyncCompleted;
_socket.AcceptAsync(args);
}
void DoWork ()
{
serverSocket = new Socket (
AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
serverSocket.Bind (new IPEndPoint (IPAddress.Loopback, 0));
serverSocket.Listen (1);
var async = new SocketAsyncEventArgs ();
async.Completed += (s,e) => OnAccepted (e);
readyEvent.Set ();
if (!serverSocket.AcceptAsync (async))
OnAccepted (async);
}
public override void Initialize()
{
if (_socket != null) return;
_policy = Encoding.UTF8.GetBytes(string.Format(PolicyTemplate, _portFrom, _portTo));
_socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
_socket.ExclusiveAddressUse = true;
_socket.Bind(new IPEndPoint(IPAddress.Any, 943));
_socket.Listen(100);
var args = new SocketAsyncEventArgs();
args.Completed += AcceptAsyncCompleted;
_socket.AcceptAsync(args);
}
void SocketAsyncEventArgs_AcceptCompleted(object sender, System.Net.Sockets.SocketAsyncEventArgs e)
{
if (e != null)
{
if (e.AcceptSocket != null && e.AcceptSocket.RemoteEndPoint != null && e.LastOperation == SocketAsyncOperation.Accept)
{
Debug.WriteLine(e.AcceptSocket.RemoteEndPoint.ToString());
System.Net.Sockets.SocketAsyncEventArgs saea = new System.Net.Sockets.SocketAsyncEventArgs();
saea.Completed += SocketAsyncEventArgs_ReceiveCompleted;
saea.AcceptSocket = e.AcceptSocket;
saea.UserToken = e.AcceptSocket.RemoteEndPoint.ToString();
saea.SetBuffer(new byte[BufferSize], 0, BufferSize);
e.AcceptSocket.ReceiveAsync(saea);
}
else
{
Debug.WriteLine("Stop");
}
}
bool Crashed = false;
try
{
Crashed = ServerSocket == null || ServerSocket.LocalEndPoint == null;
}
catch { }
if (Crashed && _Status == ServerStatus.Running)
{
Clients.Clear();
ServerSocket = new System.Net.Sockets.Socket(System.Net.Sockets.AddressFamily.InterNetwork, System.Net.Sockets.SocketType.Stream, System.Net.Sockets.ProtocolType.Tcp);
ServerSocket.Bind(new IPEndPoint(IPAddress.Parse(Address), Port));
ServerSocket.Listen(BackLog);
Debug.WriteLine(String.Format("Listen at {0}:{1}", Address, Port));
//
SocketAsyncEventArgs_AcceptCompleted(null, null);
}
else if (ServerSocket != null)
{
System.Net.Sockets.SocketAsyncEventArgs saea = new System.Net.Sockets.SocketAsyncEventArgs();
saea.Completed += SocketAsyncEventArgs_AcceptCompleted;
ServerSocket.AcceptAsync(saea);
}
}
public static void Main(string[] args)
{
IPEndPoint serverPoint = new IPEndPoint(IPAddress.Parse("127.0.0.1"), 8080);
Socket serverSocket = new Socket (AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
serverSocket.Bind (serverPoint);
serverSocket.Listen (10);
Console.WriteLine ("waiting for connection");
SocketAsyncEventArgs ev = new SocketAsyncEventArgs ();
ev.Completed += new EventHandler<SocketAsyncEventArgs> (Accept_Completed);
serverSocket.AcceptAsync (ev);
Console.ReadLine ();
Console.WriteLine ("Bye~");
}
public Server()
{
server = this;
ReadItemSet();
Socket _server = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
IPEndPoint _ipep = new IPEndPoint(IPAddress.Any, 50005);
_server.Bind(_ipep);
_server.Listen(20);
Console.WriteLine("Handle of server process: " + _server.Handle.ToInt32());
SocketAsyncEventArgs _args = new SocketAsyncEventArgs();
_args.Completed += new EventHandler<SocketAsyncEventArgs>(Accept_Completed);
_server.AcceptAsync(_args);
SetTimer();
DataInput();
}
public EndPointListener (IPAddress addr, int port, bool secure)
{
if (secure) {
this.secure = secure;
LoadCertificateAndKey (addr, port);
}
endpoint = new IPEndPoint (addr, port);
sock = new Socket (addr.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
sock.Bind (endpoint);
sock.Listen (500);
SocketAsyncEventArgs args = new SocketAsyncEventArgs ();
args.UserToken = this;
args.Completed += OnAccept;
sock.AcceptAsync (args);
prefixes = new Hashtable ();
}
void AcceptLoop(Sockets.SocketAsyncEventArgs EventStatement)
{
try {
if (EventStatement == null)
{
EventStatement = new Sockets.SocketAsyncEventArgs();
EventStatement.Completed += AcceptEvent_Completed;
}
else
{
EventStatement.AcceptSocket = null;
}
bool EventTrigger = Socket.AcceptAsync(EventStatement);;
if (!EventTrigger)
{
AcceptClientObject(EventStatement);
}
}
catch (System.Exception) { }
}
public EndPointListener (HttpListener listener, IPAddress addr, int port, bool secure)
{
this.listener = listener;
if (secure) {
this.secure = secure;
cert = listener.LoadCertificateAndKey (addr, port);
}
endpoint = new IPEndPoint (addr, port);
sock = new Socket (addr.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
sock.Bind (endpoint);
sock.Listen (500);
SocketAsyncEventArgs args = new SocketAsyncEventArgs ();
args.UserToken = this;
args.Completed += OnAccept;
sock.AcceptAsync (args);
prefixes = new Hashtable ();
unregistered = new Dictionary<HttpConnection, HttpConnection> ();
}
/// <summary>
/// 从客户端开始接受一个连接操作
/// </summary>
private void StartAccept(SocketAsyncEventArgs asyniar)
{
if (asyniar == null)
{
asyniar = new SocketAsyncEventArgs();
asyniar.Completed += new EventHandler <SocketAsyncEventArgs>(OnAcceptCompleted);
}
else
{
//socket must be cleared since the context object is being reused
asyniar.AcceptSocket = null;
}
_maxAcceptedClients.WaitOne();
if (!_serverSocket.AcceptAsync(asyniar))
{
ProcessAccept(asyniar);
//如果I/O挂起等待异步则触发AcceptAsyn_Asyn_Completed事件
//此时I/O操作同步完成，不会触发Asyn_Completed事件，所以指定BeginAccept()方法
}
}
public void start_accept(SocketAsyncEventArgs acceptEventArg)
{
if (acceptEventArg == null)
{
acceptEventArg = new SocketAsyncEventArgs();
acceptEventArg.UserToken = new AsyncUserToken();
acceptEventArg.Completed += new EventHandler <SocketAsyncEventArgs>(acceptEventArgs_completed);
}
else
{
// socket must be cleared since the context object is being reused
acceptEventArg.AcceptSocket = null;
}
m_numAcceptedClientsMax.WaitOne();
//return false if the I/O operation completed synchronously.
if (!m_listenSocket.AcceptAsync(acceptEventArg))
{
process_accept(acceptEventArg);
}
}
/// <summary>
/// 开始监听
/// </summary>
protected void StartAccept(SocketAsyncEventArgs acceptEventArg)
{
if (acceptEventArg == null)
{
acceptEventArg = new SocketAsyncEventArgs();
acceptEventArg.Completed += AcceptEventCompleted;
}
else
{
// socket must be cleared since the context object is being reused
acceptEventArg.AcceptSocket = null;
}
bool willRaiseEvent = _tcpListen.AcceptAsync(acceptEventArg);
if (!willRaiseEvent)
{
ProcessAccept(acceptEventArg);
}
}
protected override void DoInitilize()
{
if (socket != null) return;
socket = new Socket(IpV6 ? AddressFamily.InterNetworkV6 : AddressFamily.InterNetwork, SocketType.Stream,
ProtocolType.Tcp);
// allow other apps listen the same port
socket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ExclusiveAddressUse, false);
socket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, true);
var endpoint = new IPEndPoint(IpV6 ? IPAddress.IPv6Any : IPAddress.Any, Port);
socket.Bind(endpoint);
socket.Listen(100);
socket.ReceiveBufferSize = BufferSize;
var args = new SocketAsyncEventArgs();
args.Completed += AcceptAsyncCompleted;
socket.AcceptAsync(args);
}
private void Accept(object sender, SocketAsyncEventArgs e)
{
var ip = e.AcceptSocket.RemoteEndPoint;
var ioArgs = argsPool.Pop();
ioArgs.AcceptSocket = e.AcceptSocket;
var userData = new UserData()
{
ConnectTime = DateTime.Now,
RemoteEndPoint = ip,
Socket = e.AcceptSocket,
ReceiveArgs = ioArgs
};
e.AcceptSocket.ReceiveAsync(ioArgs);
Console.WriteLine($"[{ip.ToString()} {userData.UserId.ToString()}] is connected");
ioArgs.UserToken = userData;
ClientPool[userData.UserId] = userData;
AcceptEventArgs.AcceptSocket = null;
ListenSocket.AcceptAsync(AcceptEventArgs);
}
private static void ProcessAccept(object sender, SocketAsyncEventArgs e)
{
try
{
SocketContext context = e.UserToken as SocketContext;
do
{
SOCKET client = e.AcceptSocket;
SOCKET server = (SOCKET)sender;
e.AcceptSocket = null;
do
{
if (context == null)
{
break;
}
NSJSFunction function = context.AcceptAsyncCallback;
NSJSObject socket = context.This;
if (function == null)
{
break;
}
NSJSVirtualMachine machine = function.VirtualMachine;
if (machine == null)
{
break;
}
machine.Join((sendert, statet) => function.Call(socket,
NSJSInt32.New(machine, unchecked ((int)e.SocketError)),
NSJSValue.NullMerge(machine, New(machine, client))));
} while (false);
if (!server.AcceptAsync(e))
{
ProcessAccept(server, e);
}
} while (false);
}
catch (Exception) { }
}
/// <summary>
/// Server Listen 을 시작한다.
/// </summary>
/// <param name="connectionStr">"ListenIP:Port" 형태로 넣는다.</param>
public void Start(string connectionStr, Action<TcpSocket> onOpen, Action<TcpSocket> onClose, Action<TcpSocket, string> onMessage)
{
string[] splitStr = connectionStr.Split(':');
if (splitStr.Length != 2)
{
throw new ArgumentException();
}
IPAddress ipAddress = IPAddress.Parse(splitStr[0]);
if (null == ipAddress)
{
throw new ArgumentException();
}
int port = 0;
if (!int.TryParse(splitStr[1], out port))
{
throw new ArgumentException();
}
IPEndPoint localEndPoint = new IPEndPoint(ipAddress, port);
// Create a TCP/IP socket.
Socket listener = new Socket(AddressFamily.InterNetwork,
SocketType.Stream, ProtocolType.Tcp);
listener.Bind(localEndPoint);
listener.Listen(100);
SocketAsyncEventArgs e = new SocketAsyncEventArgs();
object[] actionArray = new object[] { onOpen, onClose, onMessage };
e.UserToken = actionArray;
e.Completed += AcceptCallback;
if (!listener.AcceptAsync(e))
{
AcceptCallback(listener, e);
}
}
public async void Start(int port)
{
var listener = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
var localEndPoint = new IPEndPoint(IPAddress.Any, port);
try
{
listener.Bind(localEndPoint);
listener.Listen(100);
while (true)
{
var clientSocket = await listener.AcceptAsync();
var session = SessionManager.CreateSession(clientSocket);
session.StartReceive();
}
}
catch (Exception e)
{
Logger.Write(e);
}
}
public async void Start()
{
try
{
var listener = new Socket(AddressFamily.InterNetwork,
SocketType.Stream, ProtocolType.Tcp);
var localEndPoint = new IPEndPoint(IPAddress.Any, Port);
listener.Bind(localEndPoint);
listener.Listen(100);
while (true)
{
var clientSocket = await listener.AcceptAsync();
ProcessSocket(clientSocket);
}
}
catch (Exception e)
{
Logger.Write(e);
}
}
/*开始接收套接字*/
private void startAccept(SocketAsyncEventArgs socketAsync = null)
{
if (!IsRun || listen == null)
{
return;
}
if (socketAsync == null)
{
socketAsync = new SocketAsyncEventArgs();
socketAsync.Completed += OnAcceptNewConnection;
}
else
{
socketAsync.AcceptSocket = null;
}
if (!listen.AcceptAsync(socketAsync))
{
OnAcceptNewConnection(listen, socketAsync);
}
}
static void Main(string[] args)
{
Console.Write("포트번호입력(1024 - 65535): ");
int port = int.Parse(Console.ReadLine());
IPEndPoint myAddr = new IPEndPoint(IPAddress.Any, port);
Socket server = new Socket(AddressFamily.InterNetwork,
SocketType.Stream,
ProtocolType.Tcp);
server.Bind(myAddr);
server.Listen(10);
SocketAsyncEventArgs args = new SocketAsyncEventArgs();
args.Completed += new EventHandler(Accept_Completed);
server.AcceptAsync(args);
Console.WriteLine("서버 시작");
while (true)
{
Socket client = server.Accept();
Console.WriteLine("클라이언트 {0} 접속",
client.RemoteEndPoint.ToString());
NetworkStream ns = new NetworkStream(client);
int len;
string msg;
while ((len = ns.Read(buf, 0, buf.Length)) != 0)
{
msg = Encoding.UTF8.GetString(buf, 0, len);
Console.WriteLine("수신: {0}" , msg);
ns.Write(buf, 0, len);
}
Console.WriteLine("클라이언트 {0} 접속종료",
client.RemoteEndPoint.ToString());
ns.Close();
client.Close();
}
}
public void Run(IBackgroundTaskInstance taskInstance)
{
// Setup Netowrk Socket
Server = new Socket(SocketType.Stream, ProtocolType.Tcp);
Server.Bind(new IPEndPoint(IPAddress.Any, 1911));
Server.Listen(100);
// Setup Servos
var controller = GpioController.GetDefault();
// GPIO 18
var pin = controller.OpenPin(18, GpioSharingMode.Exclusive);
pin.SetDriveMode(GpioPinDriveMode.Output);
Azimuth = new ServoController(new SofwarePwm(n => pin.Write(n ? GpioPinValue.High : GpioPinValue.Low), 50, 0));
Azimuth.Start(90);
// GPIO 23
pin = controller.OpenPin(23, GpioSharingMode.Exclusive);
pin.SetDriveMode(GpioPinDriveMode.Output);
Inclenation = new ServoController(new SofwarePwm(n => pin.Write(n ? GpioPinValue.High : GpioPinValue.Low), 50, 0));
Inclenation.Start(90);
Server.Listen(10);
var connectEvent = new AutoResetEvent(false);
while(true)
{
SocketAsyncEventArgs e = new SocketAsyncEventArgs();
e.Completed += AcceptCallback;
if (!Server.AcceptAsync(e))
{
AcceptCallback(Server, e);
connectEvent.Set();
}
connectEvent.WaitOne(1000);
}
}
public void Start(IPEndPoint ipEndPoint)
{
Console.Write("Buffer initializing...");
bufferManager = new BufferManager(MaxConnectCount * BufferSize * opsToPreAlloc, BufferSize);
bufferManager.InitBuffer();
Console.WriteLine("Complete!");
Console.Write("ConnectionPool initializing...");
for (int i = 0; i < MaxConnectCount; i++)
{
var args = new SocketAsyncEventArgs();
bufferManager.SetBuffer(args);
args.Completed += Receive;
argsPool.Push(args);
}
Console.WriteLine("Complete!");
ListenSocket = new SysSocket.Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
ListenSocket.Bind(ipEndPoint);
ListenSocket.Listen(MaxConnectCount);
ListenSocket.AcceptAsync(AcceptEventArgs);
Console.WriteLine($"TcpService now listening [{ipEndPoint.Address.ToString()}:{ipEndPoint.Port}]");
Console.WriteLine("TCP Service is runing");
}
public void Bind()
{
_listenSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
var localEndPoint = new IPEndPoint(_bind.IpAddress, _bind.Port);
_listenSocket.Bind(localEndPoint);
_listenSocket.Listen((int) _bind.MaximumPendingConnections);
_manualResetEvent = new ManualResetEvent(false);
_manualResetEvent.Reset();
_connectionWorkersPool = _connectionWorkersPoolFactory.GetSocketAsyncEventArgsPool(
_bind.MaximumOpenedConnections,
(uint)Environment.SystemPageSize, IoCompleted);
var acceptEventArg = new SocketAsyncEventArgs();
acceptEventArg.Completed += AcceptEventArg_Completed;
_manualResetEvent.WaitOne();
if (_listenSocket.AcceptAsync(acceptEventArg)) // if performed synchroniosly
{
ProcessAccept(acceptEventArg);
}
}
/// <summary>
/// Intizializes the <see cref="ILogProvider"/>.
/// </summary>
/// <param name="logHandler">The <see cref="ILogHandler"/> that may handle incomming <see cref="LogMessage"/>s.</param>
public override void Initialize(ILogHandler logHandler)
{
base.Initialize(logHandler);
try
{
mSocket = new Socket(
AddressFamily.InterNetwork
, SocketType.Stream
, ProtocolType.Tcp);
mSocket.ExclusiveAddressUse = true;
mSocket.ReceiveBufferSize = RECEIVE_BUFFER_SIZE;
mSocket.Bind(new IPEndPoint(
IPAddress.Any
, mPort));
mSocket.Listen(100);
SocketAsyncEventArgs socketEvent = new SocketAsyncEventArgs();
socketEvent.Completed += SocketEventCompleted;
mSocket.AcceptAsync(socketEvent);
}
catch (Exception ex)
{
Logger.Warn(ex.Message);
}
}
bool Utils.Wrappers.Interfaces.ISocket.AcceptAsync(SocketAsyncEventArgs e)
{
return(InternalSocket.AcceptAsync(e));
}
public static Task <Socket> AcceptAsync(this Socket socket) => socket.AcceptAsync((Socket)null);
public static Task <Socket> AcceptAsync(this Socket socket, Socket acceptSocket) => socket.AcceptAsync(acceptSocket);
public static IAsyncResult BeginAccept(this System.Net.Sockets.Socket socket
, AsyncCallback callback, object state)
{
return(socket.AcceptAsync().AsApm(callback, state));
}
void initilaze()
{
m_Display = new List<StringBuilder>();
sever = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
sever.Bind(new IPEndPoint(IPAddress.Any, 3000));
sever.Listen(20);
SocketAsyncEventArgs sockasync = new SocketAsyncEventArgs();
SocketAsyncEventArgs sockasync1 = new SocketAsyncEventArgs();
sockasync.Completed += new EventHandler<SocketAsyncEventArgs>(SocketAccept);
sever.AcceptAsync(sockasync);
Connect();
}