// don't change for default, otherwise breaking change
// this version does not throw.
internal void InternalShutdown (SocketShutdown how)
{
if (!is_connected || is_disposed)
return;
int error;
Shutdown_internal (safe_handle, how, out error);
}
// don't change for default, otherwise breaking change
// this version does not throw.
internal void InternalShutdown (SocketShutdown how)
{
if (!is_connected || CleanedUp)
return;
int error;
Shutdown_internal (m_Handle, how, out error);
}
// don't change for default, otherwise breaking change
// this version does not throw.
internal void InternalShutdown (SocketShutdown how)
{
if (!connected || disposed)
return;
int error;
Shutdown_internal (socket, how, out error);
}
public static void ShutdownSilently(this Socket socket, SocketShutdown how)
{
try
{
socket.Shutdown(how);
}
catch (SocketException)
{
// ignore
}
catch (ObjectDisposedException)
{
// ignore
}
}
internal static Error Shutdown(SafeHandle socket, SocketShutdown how)
{
bool release = false;
try
{
socket.DangerousAddRef(ref release);
return DangerousShutdown((int)socket.DangerousGetHandle(), how);
}
finally
{
if (release)
{
socket.DangerousRelease();
}
}
}
private void CloseConnection(SocketShutdown soShutdown)
{
if (soShutdown == SocketShutdown.Receive)
{
myLogger.Log("Remember that you're in a Client, you can't only close Both connections or only your connection.");
return;
}
if (ClientSocket.Connected)
{
ClientSocket.Disconnect(false);
if (ClientSocket.Connected)
{
ClientSocket.Shutdown(soShutdown);
}
}
}
public static bool Shutdown([In] Socket socket, [In] SocketShutdown how)
{
if (Platform.IsWindows())
{
return(shutdown(socket.Handle, how) == SocketError.Success);
}
try
{
socket.Shutdown(how);
return(true);
}
catch (Exception)
{
return(false);
}
}
/// <summary>
/// Shuts down the socket.
/// </summary>
/// <param name="how">One of the <see cref="SocketShutdown"/> values that specifies the operation that will no longer be allowed.</param>
private void ShutdownSocket(SocketShutdown how)
{
if (_socket == null || !_socket.Connected)
{
return;
}
lock (_socketShutdownAndCloseLock)
{
if (_socket == null || !_socket.Connected)
{
return;
}
_socket.Shutdown(how);
}
}
internal static Error Shutdown(SafeHandle socket, SocketShutdown how)
{
bool release = false;
try
{
socket.DangerousAddRef(ref release);
return(DangerousShutdown((int)socket.DangerousGetHandle(), how));
}
finally
{
if (release)
{
socket.DangerousRelease();
}
}
}
public void Shutdown(SocketShutdown how)
{
switch (how)
{
case SocketShutdown.Receive:
this.CloseState |= CloseState.ReceiveClosed;
break;
case SocketShutdown.Send:
this.CloseState |= CloseState.SendClosed;
break;
case SocketShutdown.Both:
this.CloseState |= CloseState.Both;
break;
}
}
public static bool TryShutdown(this Socket socket, SocketShutdown shutdown)
{
if (socket == null)
{
return(true);
}
try
{
socket.Shutdown(shutdown);
return(true);
}
catch (Exception ex)
{
ex.WriteToExcpetionBuffer();
return(false);
}
}
public void Shutdown(SocketShutdown how)
{
switch (how)
{
case SocketShutdown.Send:
ShutdownSendCalled = true;
break;
case SocketShutdown.Receive:
ShutdownReceiveCalled = true;
break;
case SocketShutdown.Both:
ShutdownSendCalled = true;
ShutdownReceiveCalled = true;
break;
}
}
public async Task ShutdownReceiveBeforeOperation_ThrowsSocketException(SocketShutdown shutdown)
{
using var socket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
socket.BindToAnonymousPort(IPAddress.Any);
socket.Shutdown(shutdown);
// [ActiveIssue("https://github.com/dotnet/runtime/issues/47469")]
// Shutdown(Both) does not seem to take immediate effect for Receive(Message)From in a consistent manner, trying to workaround with a delay:
if (shutdown == SocketShutdown.Both)
{
await Task.Delay(50);
}
SocketException exception = await Assert.ThrowsAnyAsync <SocketException>(() => ReceiveMessageFromAsync(socket, new byte[1], GetGetDummyTestEndpoint()))
.TimeoutAfter(CancellationTestTimeout);
Assert.Equal(SocketError.Shutdown, exception.SocketErrorCode);
}
public void Shutdown(SocketShutdown how)
{
#if cooper
if (fIsServer)
{
fServerHandle.close();
}
else
{
fHandle.close();
}
#else
if (rtl.shutdown(fHandle, (int)how) != 0)
{
throw new Exception("Error closing socket");
}
#endif
}
public void Shutdown(SocketShutdown how)
{
if (disposed && closed)
{
throw new ObjectDisposedException(GetType().ToString());
}
if (!connected)
{
throw new SocketException(10057); // Not connected
}
int error;
Shutdown_internal(socket, how, out error);
if (error != 0)
{
throw new SocketException(error);
}
}
public void Shutdown(SocketShutdown how)
{
if (_isClosed) {
throw new ObjectDisposedException("Socket has been closed");
}
int ztHow = 0;
switch (how)
{
case SocketShutdown.Receive:
ztHow = Constants.O_RDONLY;
break;
case SocketShutdown.Send:
ztHow = Constants.O_WRONLY;
break;
case SocketShutdown.Both:
ztHow = Constants.O_RDWR;
break;
}
zts_shutdown(_fd, ztHow);
}
internal void SetSocketTimeoutOption(SocketShutdown mode, int timeout, bool silent)
{
if (timeout < 0)
{
timeout = 0;
}
System.Net.Sockets.Socket streamSocket = this.m_StreamSocket;
if (streamSocket != null)
{
if (((mode == SocketShutdown.Send) || (mode == SocketShutdown.Both)) && (timeout != this.m_CurrentWriteTimeout))
{
streamSocket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.SendTimeout, timeout, silent);
this.m_CurrentWriteTimeout = timeout;
}
if (((mode == SocketShutdown.Receive) || (mode == SocketShutdown.Both)) && (timeout != this.m_CurrentReadTimeout))
{
streamSocket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReceiveTimeout, timeout, silent);
this.m_CurrentReadTimeout = timeout;
}
}
}
/// <summary>
/// Shuts down the socket.
/// </summary>
/// <param name="how">One of the <see cref="SocketShutdown"/> values that specifies the operation that will no longer be allowed.</param>
private void ShutdownSocket(SocketShutdown how)
{
if (_socket == null)
{
return;
}
lock (_socketLock)
{
#if DEBUG_GERT
Console.WriteLine("ID: " + Thread.CurrentThread.ManagedThreadId + " | ChannelDirectTcpip.ShutdownSocket '" + LocalChannelNumber + "' | " + DateTime.Now.ToString("hh:mm:ss.fff"));
#endif // DEBUG_GERT
if (_socket == null || !_socket.Connected)
{
return;
}
_socket.Shutdown(how);
}
}
public const int STREAM_SHUT_RDWR = (int)SocketShutdown.Both; // 2;
/// <summary>
/// Shutdown a full-duplex connection.
/// </summary>
/// <param name="stream"></param>
/// <param name="how">One of the following constants:
/// - STREAM_SHUT_RD (disable further receptions)<br />
/// - STREAM_SHUT_WR (disable further transmissions)<br />
/// - STREAM_SHUT_RDWR (disable further receptions and transmissions).<br/>
/// </param>
/// <returns></returns>
public static bool stream_socket_shutdown(PhpResource stream, SocketShutdown how)
{
var s = SocketStream.GetValid(stream);
if (s != null)
{
try
{
s.Socket.Shutdown(how);
}
catch (SocketException ex)
{
PhpException.Throw(PhpError.Warning, ex.Message);
return(false);
}
return(true);
}
return(false);
}
public void Shutdown(SocketShutdown How)
{
lock (Lockee)
{
if (IsDisposed)
{
return;
}
//Mono（3.0.4）上在对方先Shutdown的时候后，某个时候Connected会变为False，但时机不确定，所以需要判断和捕捉异常。
try
{
if (InnerSocket.Connected)
{
InnerSocket.Shutdown(How);
}
}
catch (SocketException)
{
}
}
}
/// <summary>
/// Shuts down the socket.
/// </summary>
/// <param name="how">One of the <see cref="SocketShutdown"/> values that specifies the operation that will no longer be allowed.</param>
private void ShutdownSocket(SocketShutdown how)
{
#if DEBUG_GERT
Console.WriteLine("ID: " + Thread.CurrentThread.ManagedThreadId + " | ChannelForwardedTcpip.ShutdownSocket");
#endif // DEBUG_GERT
if (_socket == null || !_socket.Connected)
{
return;
}
lock (_socketShutdownAndCloseLock)
{
var socket = _socket;
if (socket == null || !socket.Connected)
{
return;
}
socket.Shutdown(how);
}
}
internal void SetSocketTimeoutOption(SocketShutdown mode, int timeout)
{
if (timeout < 0)
{
timeout = 0;
}
Socket streamSocket = this.m_StreamSocket;
if (streamSocket == null)
{
return;
}
if ((mode == SocketShutdown.Send || mode == SocketShutdown.Both) && timeout != this.m_CurrentWriteTimeout)
{
streamSocket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.SendTimeout, timeout);
this.m_CurrentWriteTimeout = timeout;
}
if ((mode == SocketShutdown.Receive || mode == SocketShutdown.Both) && timeout != this.m_CurrentReadTimeout)
{
streamSocket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReceiveTimeout, timeout);
this.m_CurrentReadTimeout = timeout;
}
}
/// <summary>
/// ソケットの終了処理を行います。
/// </summary>
public void Shutdown(SocketShutdown shutdown = SocketShutdown.Send)
{
try
{
lock (this.socketLock)
{
if (Socket == null)
{
return;
}
// すでに読み取り不可なら、その状態は変わりません。
//
// また、SocketShutdownにFlags属性はありません。
// SocketShutdown.Receive || SocketShutdown.Both
// が指定されたときは、読み取り不可で
// !(SocketShutdown.Receive || SocketShutdown.Both)
// => SocketShutdown.Send
// の場合のみ、読み取り可能となります。
CanRead = (CanRead &&
shutdown == SocketShutdown.Send);
CanWrite = (CanWrite &&
shutdown == SocketShutdown.Receive);
// ソケットの切断処理を開始します。
Socket.Shutdown(shutdown);
}
}
catch (Exception ex)
{
Log.ErrorException(this, ex,
"ソケットのShutdownに失敗しました。");
Util.ThrowIfFatal(ex);
NotifyDisconnected(DisconnectReason.Error);
}
}
public void Shutdown_internal(SocketShutdown how, out int error)
{
error = 0;
if (jSocket == null || !jSocket.isConnected())
{
error = 10057; //WSAENOTCONN (Socket is not connected)
return;
}
try
{
switch (how)
{
case SocketShutdown.Receive:
jSocket.shutdownInput();
break;
case SocketShutdown.Send:
jSocket.shutdownOutput();
break;
case SocketShutdown.Both:
jSocket.shutdownInput();
jSocket.shutdownOutput();
break;
}
}
catch (Exception e)
{
error = 10022; //WSAEINVAL (Invalid argument)
#if DEBUG
Console.WriteLine("Caught exception during Shutdown_internal - {0}: {1}\n{2}", e.GetType(), e.Message, e.StackTrace);
#endif
}
}
internal void SetSocketTimeoutOption(SocketShutdown mode, int timeout, bool silent)
{
if (GlobalLog.IsEnabled)
{
GlobalLog.Print("NetworkStream#" + LoggingHash.HashString(this) + "::SetSocketTimeoutOption() mode:" + mode + " silent:" + silent + " timeout:" + timeout + " m_CurrentReadTimeout:" + _currentReadTimeout + " m_CurrentWriteTimeout:" + _currentWriteTimeout);
}
GlobalLog.ThreadContract(ThreadKinds.Unknown, "NetworkStream#" + LoggingHash.HashString(this) + "::SetSocketTimeoutOption");
if (timeout < 0)
{
timeout = 0; // -1 becomes 0 for the winsock stack
}
Socket chkStreamSocket = _streamSocket;
if (chkStreamSocket == null)
{
return;
}
if (mode == SocketShutdown.Send || mode == SocketShutdown.Both)
{
if (timeout != _currentWriteTimeout)
{
chkStreamSocket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.SendTimeout, timeout, silent);
_currentWriteTimeout = timeout;
}
}
if (mode == SocketShutdown.Receive || mode == SocketShutdown.Both)
{
if (timeout != _currentReadTimeout)
{
chkStreamSocket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReceiveTimeout, timeout, silent);
_currentReadTimeout = timeout;
}
}
}
internal void SetSocketTimeoutOption(SocketShutdown mode, int timeout, bool silent)
{
if (NetEventSource.IsEnabled)
{
NetEventSource.Enter(this, mode, timeout, silent);
}
DebugThreadTracking.ThreadContract(ThreadKinds.Unknown, $"NetworkStream#{NetEventSource.IdOf(this)}");
if (timeout < 0)
{
timeout = 0; // -1 becomes 0 for the winsock stack
}
Socket chkStreamSocket = _streamSocket;
if (chkStreamSocket == null)
{
return;
}
if (mode == SocketShutdown.Send || mode == SocketShutdown.Both)
{
if (timeout != _currentWriteTimeout)
{
chkStreamSocket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.SendTimeout, timeout, silent);
_currentWriteTimeout = timeout;
}
}
if (mode == SocketShutdown.Receive || mode == SocketShutdown.Both)
{
if (timeout != _currentReadTimeout)
{
chkStreamSocket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReceiveTimeout, timeout, silent);
_currentReadTimeout = timeout;
}
}
}
static void Shutdown_internal (SafeSocketHandle safeHandle, SocketShutdown how, out int error)
{
bool release = false;
try {
safeHandle.DangerousAddRef (ref release);
Shutdown_internal (safeHandle.DangerousGetHandle (), how, out error);
} finally {
if (release)
safeHandle.DangerousRelease ();
}
}
public void Shutdown(SocketShutdown how)
{
_remote.Shutdown(how);
}
// This version does not throw.
internal void InternalShutdown(SocketShutdown how)
{
GlobalLog.Print("Socket#" + Logging.HashString(this) + "::InternalShutdown() how:" + how.ToString());
if (CleanedUp || _handle.IsInvalid)
{
return;
}
try
{
SocketPal.Shutdown(_handle, _isConnected, _isDisconnected, how);
}
catch (ObjectDisposedException) { }
}
void Utils.Wrappers.Interfaces.ISocket.Shutdown(SocketShutdown how)
{
InternalSocket.Shutdown(how);
}
public void Shutdown (SocketShutdown how)
{
if (disposed && closed)
throw new ObjectDisposedException (GetType ().ToString ());
if (!connected)
throw new SocketException (10057); // Not connected
int error;
Shutdown_internal (socket, how, out error);
if (error != 0)
throw new SocketException (error);
}
//
//public void SetSocketOption(SocketOptionLevel optionLevel, SocketOptionName optionName, int optionValue)
//{
// // TODO
// throw new NotSupportedException();
//}
//
//public void SetSocketOption(SocketOptionLevel optionLevel, SocketOptionName optionName, byte[] optionValue)
//{
// // TODO
// throw new NotSupportedException();
//}
//
//public void SetSocketOption(SocketOptionLevel optionLevel, SocketOptionName optionName, bool optionValue)
//{
// SetSocketOption(optionLevel, optionName, (optionValue?1:0));
//}
//
public void Shutdown(SocketShutdown how)
{
internalSocket.Shutdown(how);
}
virtual internal void Shutdown(SocketShutdown how)
{
CheckDisposed();
_socket.Shutdown(how);
}
public abstract void Shutdown(SocketShutdown how);
public void Shutdown(SocketShutdown how)
{
_remote.Shutdown(how);
}
/// <summary>
/// Shuts down the socket.
/// </summary>
/// <param name="how">One of the <see cref="SocketShutdown"/> values that specifies the operation that will no longer be allowed.</param>
private void ShutdownSocket(SocketShutdown how)
{
#if DEBUG_GERT
Console.WriteLine("ID: " + Thread.CurrentThread.ManagedThreadId + " | ChannelForwardedTcpip.ShutdownSocket");
#endif // DEBUG_GERT
if (_socket == null || !_socket.Connected)
return;
lock (_socketShutdownAndCloseLock)
{
var socket = _socket;
if (socket == null || !socket.Connected)
return;
socket.Shutdown(how);
}
}
internal void SetSocketTimeoutOption(SocketShutdown mode, int timeout, bool silent)
{
m_NetworkStream.SetSocketTimeoutOption(mode, timeout, silent);
}
/// <summary>
/// Shuts down the socket.
/// </summary>
/// <param name="how">One of the <see cref="SocketShutdown"/> values that specifies the operation that will no longer be allowed.</param>
private void ShutdownSocket(SocketShutdown how)
{
if (_socket == null)
return;
lock (_socketLock)
{
if (_socket == null || !_socket.Connected)
return;
_socket.Shutdown(how);
}
}
public void Shutdown(SocketShutdown type)
{
Connection.Shutdown(type);
}
internal void Shutdown(SocketShutdown how) { internalSocket.Shutdown(how); }
public override void Shutdown(SocketShutdown how)
{
socket.Shutdown(how);
}
/// <summary>
/// Shutdowns socket.
/// </summary>
/// <param name="how"></param>
public void Shutdown(SocketShutdown how)
{
m_pSocket.Shutdown(how);
}
public static SocketError Shutdown(SafeCloseSocket handle, bool isConnected, bool isDisconnected, SocketShutdown how)
{
Interop.Error err = Interop.Sys.Shutdown(handle.FileDescriptor, how);
if (err == Interop.Error.SUCCESS)
{
return SocketError.Success;
}
// If shutdown returns ENOTCONN and we think that this socket has ever been connected,
// ignore the error. This can happen for TCP connections if the underlying connection
// has reached the CLOSE state. Ignoring the error matches Winsock behavior.
if (err == Interop.Error.ENOTCONN && (isConnected || isDisconnected))
{
return SocketError.Success;
}
return GetSocketErrorForErrorCode(err);
}
public static SocketError Shutdown(SafeCloseSocket handle, bool isConnected, bool isDisconnected, SocketShutdown how)
{
SocketError err = Interop.Winsock.shutdown(handle, (int)how);
if (err != SocketError.SocketError)
{
return SocketError.Success;
}
err = GetLastSocketError();
Debug.Assert(err != SocketError.NotConnected || (!isConnected && !isDisconnected));
return err;
}
public static SocketError Shutdown(SafeCloseSocket handle, bool isConnected, bool isDisconnected, SocketShutdown how)
{
SocketError err = Interop.Winsock.shutdown(handle, (int)how);
if (err != SocketError.SocketError)
{
return(SocketError.Success);
}
err = GetLastSocketError();
Debug.Assert(err != SocketError.NotConnected || (!isConnected && !isDisconnected));
return(err);
}
/// <devdoc>
/// <para>
/// Disables sends and receives on a socket.
/// </para>
/// </devdoc>
public void Shutdown(SocketShutdown how) {
if(s_LoggingEnabled)Logging.Enter(Logging.Sockets, this, "Shutdown", how);
if (CleanedUp) {
throw new ObjectDisposedException(this.GetType().FullName);
}
GlobalLog.Print("Socket#" + ValidationHelper.HashString(this) + "::Shutdown() how:" + how.ToString());
// This can throw ObjectDisposedException.
SocketError errorCode = UnsafeNclNativeMethods.OSSOCK.shutdown(m_Handle, (int) how);
//
// if the native call fails we'll throw a SocketException
//
errorCode = errorCode!=SocketError.SocketError ? SocketError.Success : (SocketError)Marshal.GetLastWin32Error();
GlobalLog.Print("Socket#" + ValidationHelper.HashString(this) + "::Shutdown() UnsafeNclNativeMethods.OSSOCK.shutdown returns errorCode:" + errorCode);
//
// skip good cases: success, socket already closed
//
if (errorCode!=SocketError.Success && errorCode!=SocketError.NotSocket) {
//
// update our internal state after this socket error and throw
//
SocketException socketException = new SocketException(errorCode);
UpdateStatusAfterSocketError(socketException);
if(s_LoggingEnabled)Logging.Exception(Logging.Sockets, this, "Shutdown", socketException );
throw socketException;
}
SetToDisconnected();
InternalSetBlocking(willBlockInternal);
if(s_LoggingEnabled)Logging.Exit(Logging.Sockets, this, "Shutdown", "");
}
public void Shutdown( SocketShutdown shutDownType )
{
fSocket.Shutdown( shutDownType );
}
// this version does not throw.
internal void InternalShutdown(SocketShutdown how) {
GlobalLog.Print("Socket#" + ValidationHelper.HashString(this) + "::InternalShutdown() how:" + how.ToString());
if (CleanedUp || m_Handle.IsInvalid) {
return;
}
try
{
UnsafeNclNativeMethods.OSSOCK.shutdown(m_Handle, (int)how);
}
catch (ObjectDisposedException) { }
}
// Disables sends and receives on a socket.
public void Shutdown(SocketShutdown how)
{
if (s_loggingEnabled)
{
Logging.Enter(Logging.Sockets, this, "Shutdown", how);
}
if (CleanedUp)
{
throw new ObjectDisposedException(this.GetType().FullName);
}
GlobalLog.Print("Socket#" + Logging.HashString(this) + "::Shutdown() how:" + how.ToString());
// This can throw ObjectDisposedException.
SocketError errorCode = SocketPal.Shutdown(_handle, _isConnected, _isDisconnected, how);
GlobalLog.Print("Socket#" + Logging.HashString(this) + "::Shutdown() Interop.Winsock.shutdown returns errorCode:" + errorCode);
// Skip good cases: success, socket already closed.
if (errorCode != SocketError.Success && errorCode != SocketError.NotSocket)
{
// Update the internal state of this socket according to the error before throwing.
SocketException socketException = new SocketException((int)errorCode);
UpdateStatusAfterSocketError(socketException);
if (s_loggingEnabled)
{
Logging.Exception(Logging.Sockets, this, "Shutdown", socketException);
}
throw socketException;
}
SetToDisconnected();
InternalSetBlocking(_willBlockInternal);
if (s_loggingEnabled)
{
Logging.Exit(Logging.Sockets, this, "Shutdown", "");
}
}
public static int GetPlatformSocketShutdown(SocketShutdown how)
{
switch (how)
{
case SocketShutdown.Receive:
return Interop.libc.SHUT_RD;
case SocketShutdown.Send:
return Interop.libc.SHUT_WR;
case SocketShutdown.Both:
return Interop.libc.SHUT_RDWR;
default:
// TODO: rethink this
return (int)how;
}
}
/// <summary>
/// Shuts down this StringSocket.
/// </summary>
public void Shutdown(SocketShutdown mode)
{
socket.Shutdown(mode);
}
internal void SetSocketTimeoutOption(SocketShutdown mode, int timeout, bool silent) {
GlobalLog.Print("NetworkStream#" + ValidationHelper.HashString(this) + "::SetSocketTimeoutOption() mode:" + mode + " silent:" + silent + " timeout:" + timeout + " m_CurrentReadTimeout:" + m_CurrentReadTimeout + " m_CurrentWriteTimeout:" + m_CurrentWriteTimeout);
GlobalLog.ThreadContract(ThreadKinds.Unknown, "NetworkStream#" + ValidationHelper.HashString(this) + "::SetSocketTimeoutOption");
if (timeout < 0) {
timeout = 0; // -1 becomes 0 for the winsock stack
}
Socket chkStreamSocket = m_StreamSocket;
if (chkStreamSocket==null) {
return;
}
if (mode==SocketShutdown.Send || mode==SocketShutdown.Both) {
if (timeout!=m_CurrentWriteTimeout) {
chkStreamSocket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.SendTimeout, timeout, silent);
m_CurrentWriteTimeout = timeout;
}
}
if (mode==SocketShutdown.Receive || mode==SocketShutdown.Both) {
if (timeout!=m_CurrentReadTimeout) {
chkStreamSocket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReceiveTimeout, timeout, silent);
m_CurrentReadTimeout = timeout;
}
}
}
public void Shutdown (SocketShutdown how)
{
ThrowIfDisposedAndClosed ();
if (!is_connected)
throw new SocketException (10057); // Not connected
int error;
Shutdown_internal (safe_handle, how, out error);
if (error != 0)
throw new SocketException (error);
}
/// <summary>
/// Shuts down the secure connection.
/// </summary>
/// <exception cref="ObjectDisposedException">SecureSocket has been closed.</exception>
/// <exception cref="SocketException">An operating system error occurs while accessing the SecureSocket.</exception>
/// <exception cref="SecurityException">An error occurs while shutting the secure connection down.</exception>
public override void Shutdown(SocketShutdown how) {
this.EndShutdown(this.BeginShutdown(null, null));
}
internal extern static void Shutdown_internal (IntPtr socket, SocketShutdown how, out int error);
private void SafeSetSocketTimeout(SocketShutdown mode) {
if(Eof){
return;
}
int timeout;
if (mode == SocketShutdown.Receive) {
timeout = ReadTimeout;
} else /*if (mode == SocketShutdown.Send)*/ {
timeout = WriteTimeout;
}
Connection connection = m_Connection;
if (connection!=null) {
NetworkStream networkStream = connection.NetworkStream;
if (networkStream!=null) {
networkStream.SetSocketTimeoutOption(mode, timeout, false);
}
}
}
internal static extern Error Shutdown(int socket, SocketShutdown how);
public static void SafeClose(this Socket socket, SocketShutdown down)
{
try
{
if (socket != null && socket.Connected)
{
socket.Shutdown(down);
socket.Close();
}
}
catch { }
}
public void Shutdown(SocketShutdown how)
{
_socket.Shutdown(how);
}
public void Shutdown_internal(SocketShutdown how, out int error)
{
error = 0;
if (jSocket == null || !jSocket.isConnected())
{
error = 10057; //WSAENOTCONN (Socket is not connected)
return;
}
try
{
switch (how)
{
case SocketShutdown.Receive:
jSocket.shutdownInput();
break;
case SocketShutdown.Send:
jSocket.shutdownOutput();
break;
case SocketShutdown.Both:
jSocket.shutdownInput();
jSocket.shutdownOutput();
break;
}
}
catch (Exception e)
{
error = 10022; //WSAEINVAL (Invalid argument)
#if DEBUG
Console.WriteLine("Caught exception during Shutdown_internal - {0}: {1}\n{2}", e.GetType(), e.Message, e.StackTrace);
#endif
}
}