public AutoCloseDuplexSessionChannel(IDuplexSessionChannel innerChannel)
{
this.innerChannel = innerChannel;
this.pendingMessages = new InputQueue <Message>();
this.messageDequeuedCallback = new Action(this.StartBackgroundReceive);
this.closeState = new CloseState();
}
private void Abort(TraceEventType traceEventType, string timeoutErrorString, TransferOperation transferOperation)
{
lock (this.ThisLock)
{
if (this.closeState == CloseState.Closed)
{
return;
}
this.timeoutErrorString = timeoutErrorString;
this.timeoutErrorTransferOperation = transferOperation;
this.aborted = true;
this.closeState = CloseState.Closed;
if (!this.asyncReadPending)
{
this.FreeOverlappedContextAndReturnBuffer();
}
if (this.asyncReadPending)
{
this.CancelReceiveTimer();
}
if (this.asyncWritePending)
{
this.CancelSendTimer();
}
}
if (DiagnosticUtility.ShouldTrace(traceEventType))
{
TraceUtility.TraceEvent(traceEventType, 0x4001b, System.ServiceModel.SR.GetString("TraceCodeSocketConnectionAbort"), this);
}
this.socket.Close(0);
}
public AutoCloseDuplexSessionChannel(IDuplexSessionChannel innerChannel)
{
this.innerChannel = innerChannel;
pendingMessages = new InputQueue <Message>();
messageDequeuedCallback = new Action(StartBackgroundReceive); // kick off a new receive when a message is picked up
closeState = new CloseState();
}
private void InternalConstruct(string title,
Control control,
ImageList imageList,
int imageIndex,
Image image,
Icon icon)
{
// Assign parameters to internal fields
_title = title;
_control = control;
_imageIndex = imageIndex;
_imageList = imageList;
_image = image;
_icon = icon;
_toolTip = title;
// Appropriate defaults
_selected = false;
_closeState = CloseState.Dispose;
_startFocus = null;
_selectBackColor = Color.Empty;
_selectTextBackColor = Color.Empty;
_selectTextColor = Color.Empty;
_inactiveBackColor = Color.Empty;
_inactiveTextBackColor = Color.Empty;
_inactiveTextColor = Color.Empty;
// Default to not being visible
base.Visible = false;
}
/// <summary>
/// 切断
/// </summary>
/// <param name="how">切断対象</param>
public void Shutdown(SocketShutdown how)
{
try
{
this.Source.Client.Shutdown(how);
// half close になったら60秒タイムアウトを設定する
this.Source.ReceiveTimeout = 60 * 1000;
this.Source.SendTimeout = 60 * 1000;
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;
}
}
catch
{
this.CloseState = CloseState.Both;
this.Dispose();
}
}
public Issue()
{
WorkState = new WorkState(this);
CloseState = new CloseState(this);
DoneState = new DoneState(this);
RejectState = new RejectState(this);
SetState(new NewState(this));
}
private void CloseDatabaseComplete(object state)
{
CloseState clState = state as CloseState;
if (clState.Callback != null)
{
clState.Callback(clState.State);
}
}
public SocketConnection(ConnectionBufferPool connectionBufferPool)
{
Contract.Assert(connectionBufferPool != null, "Argument connectionBufferPool cannot be null");
_closeState = CloseState.Open;
_connectionBufferPool = connectionBufferPool;
_readBuffer = _connectionBufferPool.Take();
_asyncReadBufferSize = _readBuffer.Length;
_sendTimeout = _receiveTimeout = TimeSpan.MaxValue;
}
public SocketConnection(ConnectionBufferPool connectionBufferPool)
{
Contract.Assert(connectionBufferPool != null, "Argument connectionBufferPool cannot be null");
_closeState = CloseState.Open;
_connectionBufferPool = connectionBufferPool;
_readBuffer = _connectionBufferPool.Take();
_asyncReadBufferSize = _readBuffer.Length;
_sendTimeout = _receiveTimeout = TimeSpan.MaxValue;
}
private static void CloseMessageBox(object state)
{
CloseState closeState = state as CloseState;
Thread.Sleep(closeState.Timeout);
IntPtr dlg = FindWindow(null, closeState.Caption);
if (dlg != IntPtr.Zero)
{
PostMessage(dlg, 0x10, System.IntPtr.Zero, System.IntPtr.Zero);
}
}
static void Main(string[] args)
{
Context context = new Context();
CloseState close = new CloseState();
context.SetLiftState(close);
context.Open();
context.Close();
context.Run();
context.Run();
context.Open();
context.Run();
}
private void CloseMessageBox(object state)
{
CloseState closeState = state as CloseState;
Thread.Sleep(closeState.Timeout);
IntPtr dlg = FindWindow(null, closeState.Caption);
if (dlg != IntPtr.Zero)
{
IntPtr result;
EndDialog(dlg, out result);
}
}
private HRESULT ProcessNotification(
PRJ_CALLBACK_DATA callbackData,
bool isDirectory,
PRJ_NOTIFICATION notification,
String destinationFileName,
ref PRJ_NOTIFICATION_PARAMETERS operationParameters
)
{
switch (notification)
{
case PRJ_NOTIFICATION.PRJ_NOTIFICATION_FILE_OPENED:
return(_asyncOperations.ProcessCommandPossibleAsyncWithNotificationMask(callbackData.NamespaceVirtualizationContext, callbackData.CommandId, cts => Notifiable.FileOpened(callbackData.FilePathName, isDirectory, cts.Token), operationParameters));
case PRJ_NOTIFICATION.PRJ_NOTIFICATION_NEW_FILE_CREATED:
return(_asyncOperations.ProcessCommandPossibleAsyncWithNotificationMask(callbackData.NamespaceVirtualizationContext, callbackData.CommandId, cts => Notifiable.FileCreated(callbackData.FilePathName, isDirectory, cts.Token), operationParameters));
case PRJ_NOTIFICATION.PRJ_NOTIFICATION_FILE_OVERWRITTEN:
return(_asyncOperations.ProcessCommandPossibleAsyncWithNotificationMask(callbackData.NamespaceVirtualizationContext, callbackData.CommandId, cts => Notifiable.FileOverwritten(callbackData.FilePathName, isDirectory, cts.Token), operationParameters));
case PRJ_NOTIFICATION.PRJ_NOTIFICATION_PRE_DELETE:
return(_asyncOperations.ProcessCommandPossibleAsync(callbackData.NamespaceVirtualizationContext, callbackData.CommandId, cts => Notifiable.PreDelete(callbackData.FilePathName, isDirectory, cts.Token), b => b ? HRESULT.S_OK : HRESULT.E_INVALIDARG));
case PRJ_NOTIFICATION.PRJ_NOTIFICATION_PRE_RENAME:
return(_asyncOperations.ProcessCommandPossibleAsync(callbackData.NamespaceVirtualizationContext, callbackData.CommandId, cts => Notifiable.PreRename(callbackData.FilePathName, destinationFileName, isDirectory, cts.Token), b => b ? HRESULT.S_OK : HRESULT.E_INVALIDARG));
case PRJ_NOTIFICATION.PRJ_NOTIFICATION_PRE_SET_HARDLINK:
return(_asyncOperations.ProcessCommandPossibleAsync(callbackData.NamespaceVirtualizationContext, callbackData.CommandId, cts => Notifiable.PreHardlink(callbackData.FilePathName, destinationFileName, isDirectory, cts.Token), b => b ? HRESULT.S_OK : HRESULT.E_INVALIDARG));
case PRJ_NOTIFICATION.PRJ_NOTIFICATION_FILE_RENAMED:
return(_asyncOperations.ProcessCommandPossibleAsyncWithNotificationMask(callbackData.NamespaceVirtualizationContext, callbackData.CommandId, cts => Notifiable.FileRenamed(callbackData.FilePathName, destinationFileName, isDirectory, cts.Token), operationParameters));
case PRJ_NOTIFICATION.PRJ_NOTIFICATION_HARDLINK_CREATED:
return(_asyncOperations.ProcessCommandPossibleAsync(callbackData.NamespaceVirtualizationContext, callbackData.CommandId, cts => Notifiable.FileHardlinked(callbackData.FilePathName, destinationFileName, isDirectory, cts.Token)));
case PRJ_NOTIFICATION.PRJ_NOTIFICATION_FILE_HANDLE_CLOSED_NO_MODIFICATION:
return(_asyncOperations.ProcessCommandPossibleAsync(callbackData.NamespaceVirtualizationContext, callbackData.CommandId, cts => Notifiable.FileClosed(callbackData.FilePathName, isDirectory, CloseState.Unmodified, cts.Token)));
case PRJ_NOTIFICATION.PRJ_NOTIFICATION_FILE_HANDLE_CLOSED_FILE_MODIFIED:
return(_asyncOperations.ProcessCommandPossibleAsync(callbackData.NamespaceVirtualizationContext, callbackData.CommandId, cts => Notifiable.FileClosed(callbackData.FilePathName, isDirectory, CloseState.Modified, cts.Token)));
case PRJ_NOTIFICATION.PRJ_NOTIFICATION_FILE_HANDLE_CLOSED_FILE_DELETED:
CloseState state = operationParameters.IsFileModified ? CloseState.Modified | CloseState.Deleted : CloseState.Deleted;
return(_asyncOperations.ProcessCommandPossibleAsync(callbackData.NamespaceVirtualizationContext, callbackData.CommandId, cts => Notifiable.FileClosed(callbackData.FilePathName, isDirectory, state, cts.Token)));
case PRJ_NOTIFICATION.PRJ_NOTIFICATION_FILE_PRE_CONVERT_TO_FULL:
return(_asyncOperations.ProcessCommandPossibleAsync(callbackData.NamespaceVirtualizationContext, callbackData.CommandId, cts => Notifiable.PreConvertToFull(callbackData.FilePathName, isDirectory, cts.Token)));
}
return(HRESULT.E_INVALIDARG);
}
public void ContinueClose(TimeSpan timeout)
{
if ((timeout <= TimeSpan.Zero) && DiagnosticUtility.ShouldTraceWarning)
{
TraceUtility.TraceEvent(TraceEventType.Warning, 0x4001c, System.ServiceModel.SR.GetString("TraceCodeSocketConnectionAbortClose"), this);
}
this.socket.Close(TimeoutHelper.ToMilliseconds(timeout));
lock (this.ThisLock)
{
if (!this.asyncReadPending && (this.closeState != CloseState.Closed))
{
this.FreeOverlappedContextAndReturnBuffer();
}
this.closeState = CloseState.Closed;
}
}
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 void Close(TimeSpan timeout, bool asyncAndLinger)
{
lock (ThisLock)
{
if (_closeState == CloseState.Closing || _closeState == CloseState.Closed)
{
// already closing or closed, so just return
return;
}
_closeState = CloseState.Closing;
}
_closeTimeoutHelper = new TimeoutHelper(timeout);
// first we shutdown our send-side
Shutdown(timeout);
CloseCore(asyncAndLinger);
}
public Light _light; // 对象
void Start()
{
Application.runInBackground = true;
_light = GameObject.Find("Directional Light").GetComponent <Light>();
#region 状态机的设置
// 状态机
_fsm = new MainStateMachine(StateName.MainMachine);
// “关闭”状态
_close = _fsm.AddState <CloseState>(StateName.Close, true);
// “打开”子状态机
_openfsm = _fsm.AddState <OpenMachine>(StateName.OpenMachine);
_intensity = _openfsm.AddState <IntensityState>(StateName.Intensity, true); // “亮度” 状态
_color = _openfsm.AddState <ColorState>(StateName.Color); // “颜色” 状态
// 设置所有的状态转换
manager = new StateManager(_fsm, _openfsm, _intensity, _color, _close);
// 具体项目的设置 将改变的对象传入
manager.SetObject(this);
#endregion
}
public SocketConnection(Socket socket, ConnectionBufferPool connectionBufferPool, bool autoBindToCompletionPort)
{
if (socket == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("socket");
}
Fx.Assert(connectionBufferPool != null, "Argument connectionBufferPool cannot be null");
this.closeState = CloseState.Open;
this.exceptionEventType = TraceEventType.Error;
this.socket = socket;
this.connectionBufferPool = connectionBufferPool;
this.readBuffer = this.connectionBufferPool.Take();
this.asyncReadBufferSize = this.readBuffer.Length;
this.socket.SendBufferSize = this.socket.ReceiveBufferSize = this.asyncReadBufferSize;
this.sendTimeout = this.receiveTimeout = TimeSpan.MaxValue;
this.remoteEndpoint = null;
if (autoBindToCompletionPort)
{
this.socket.UseOnlyOverlappedIO = false;
}
// In SMSvcHost, sockets must be duplicated to the target process. Binding a handle to a completion port
// prevents any duplicated handle from ever binding to a completion port. The target process is where we
// want to use completion ports for performance. This means that in SMSvcHost, socket.UseOnlyOverlappedIO
// must be set to true to prevent completion port use.
if (this.socket.UseOnlyOverlappedIO)
{
// Init BeginRead state
if (onReceiveCompleted == null)
{
onReceiveCompleted = Fx.ThunkCallback(new AsyncCallback(OnReceiveCompleted));
}
}
this.TraceSocketInfo(socket, TraceCode.SocketConnectionCreate, SR.TraceCodeSocketConnectionCreate, null);
}
public void Close(TimeSpan timeout, bool asyncAndLinger)
{
lock (this.ThisLock)
{
if ((this.closeState == CloseState.Closing) || (this.closeState == CloseState.Closed))
{
return;
}
this.TraceSocketInfo(this.socket, 0x4001a, "TraceCodeSocketConnectionClose", timeout.ToString());
this.closeState = CloseState.Closing;
}
this.closeTimeoutHelper = new TimeoutHelper(timeout);
this.Shutdown(this.closeTimeoutHelper.RemainingTime());
if (asyncAndLinger)
{
this.CloseAsyncAndLinger();
}
else
{
this.CloseSync();
}
}
public SocketConnection(Socket socket, ConnectionBufferPool connectionBufferPool, bool autoBindToCompletionPort)
{
if (socket == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("socket");
}
this.closeState = CloseState.Open;
this.exceptionEventType = TraceEventType.Error;
this.socket = socket;
this.connectionBufferPool = connectionBufferPool;
this.readBuffer = this.connectionBufferPool.Take();
this.asyncReadBufferSize = this.readBuffer.Length;
this.socket.SendBufferSize = this.socket.ReceiveBufferSize = this.asyncReadBufferSize;
this.sendTimeout = this.receiveTimeout = TimeSpan.MaxValue;
this.onReceive = Fx.ThunkCallback(new AsyncCallback(this.OnReceive));
this.asyncReadOverlapped = new OverlappedContext();
if (autoBindToCompletionPort)
{
this.socket.UseOnlyOverlappedIO = false;
}
this.TraceSocketInfo(socket, 0x40019, "TraceCodeSocketConnectionCreate", null);
}
public SocketConnection(Socket socket, ConnectionBufferPool connectionBufferPool, bool autoBindToCompletionPort)
{
if (socket == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("socket");
}
this.closeState = CloseState.Open;
this.exceptionEventType = TraceEventType.Error;
this.socket = socket;
this.connectionBufferPool = connectionBufferPool;
this.readBuffer = this.connectionBufferPool.Take();
this.asyncReadBufferSize = this.readBuffer.Length;
this.socket.SendBufferSize = this.socket.ReceiveBufferSize = this.asyncReadBufferSize;
this.sendTimeout = this.receiveTimeout = TimeSpan.MaxValue;
this.onReceive = Fx.ThunkCallback(new AsyncCallback(this.OnReceive));
this.asyncReadOverlapped = new OverlappedContext();
if (autoBindToCompletionPort)
{
this.socket.UseOnlyOverlappedIO = false;
}
this.TraceSocketInfo(socket, 0x40019, "TraceCodeSocketConnectionCreate", null);
}
/// <summary>
/// 切换熔断器状态
/// </summary>
/// <param name="s"></param>
public void ConvertState(State s)
{
Trace.WriteLine("ConvertState::" + s);
State = s;
switch (s)
{
case State.Close:
StateC = new CloseState(this);
break;
case State.half_open:
StateC = new Half_OpenState(this);
break;
case State.open:
StateC = new OpenState(this);
break;
default:
break;
}
}
public PipeConnection(PipeHandle pipe, int connectionBufferSize, bool isBoundToCompletionPort, bool autoBindToCompletionPort)
{
if (pipe == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("pipe");
}
if (pipe.IsInvalid)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("pipe");
}
this.closeState = CloseState.Open;
this.exceptionEventType = TraceEventType.Error;
this.isBoundToCompletionPort = isBoundToCompletionPort;
this.autoBindToCompletionPort = autoBindToCompletionPort;
this.pipe = pipe;
this.readBufferSize = connectionBufferSize;
this.writeBufferSize = connectionBufferSize;
this.readOverlapped = new OverlappedContext();
this.writeOverlapped = new OverlappedContext();
this.atEOFEvent = new ManualResetEvent(false);
this.onAsyncReadComplete = new OverlappedIOCompleteCallback(this.OnAsyncReadComplete);
this.onAsyncWriteComplete = new OverlappedIOCompleteCallback(this.OnAsyncWriteComplete);
}
public BreakerState GetState(State state, IStateManager manager)
{
BreakerState breakerState = null;
switch (state)
{
case State.Close:
breakerState = new CloseState(manager);
break;
case State.Open:
breakerState = new OpenState(manager);
break;
case State.HalfOpen:
breakerState = new HalfOpenState(manager);
break;
default:
throw new NotSupportedException("state");
}
return(breakerState);
}
public void Close(TimeSpan timeout, bool asyncAndLinger)
{
TimeoutHelper helper = new TimeoutHelper(timeout);
this.FinishPendingWrite(timeout);
bool flag = false;
try
{
bool flag2 = false;
bool flag3 = false;
bool flag4 = false;
lock (this.readLock)
{
lock (this.writeLock)
{
if (!this.isShutdownWritten && this.inWritingState)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelper(new PipeException(System.ServiceModel.SR.GetString("PipeCantCloseWithPendingWrite")), this.ExceptionEventType);
}
if ((this.closeState == CloseState.Closing) || (this.closeState == CloseState.HandleClosed))
{
return;
}
this.closeState = CloseState.Closing;
flag = true;
if (!this.isAtEOF)
{
if (this.inReadingState)
{
flag2 = true;
}
else
{
flag3 = true;
}
}
if (!this.isShutdownWritten)
{
flag4 = true;
this.isShutdownWritten = true;
}
}
}
if (flag4)
{
this.StartWriteZero(helper.RemainingTime());
}
if (flag3)
{
this.StartReadZero();
}
try
{
this.WaitForWriteZero(helper.RemainingTime(), true);
}
catch (TimeoutException exception)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelper(new TimeoutException(System.ServiceModel.SR.GetString("PipeShutdownWriteError"), exception), this.ExceptionEventType);
}
if (flag3)
{
try
{
this.WaitForReadZero(helper.RemainingTime(), true);
goto Label_018E;
}
catch (TimeoutException exception2)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelper(new TimeoutException(System.ServiceModel.SR.GetString("PipeShutdownReadError"), exception2), this.ExceptionEventType);
}
}
if (flag2 && !TimeoutHelper.WaitOne(this.atEOFEvent, helper.RemainingTime()))
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelper(new TimeoutException(System.ServiceModel.SR.GetString("PipeShutdownReadError")), this.ExceptionEventType);
}
Label_018E:
try
{
this.StartWriteZero(helper.RemainingTime());
this.StartReadZero();
this.WaitForWriteZero(helper.RemainingTime(), false);
this.WaitForReadZero(helper.RemainingTime(), false);
}
catch (PipeException exception3)
{
if (!this.IsBrokenPipeError(exception3.ErrorCode))
{
throw;
}
if (DiagnosticUtility.ShouldTraceInformation)
{
DiagnosticUtility.ExceptionUtility.TraceHandledException(exception3, TraceEventType.Information);
}
}
catch (CommunicationException exception4)
{
if (DiagnosticUtility.ShouldTraceInformation)
{
DiagnosticUtility.ExceptionUtility.TraceHandledException(exception4, TraceEventType.Information);
}
}
catch (TimeoutException exception5)
{
if (DiagnosticUtility.ShouldTraceInformation)
{
DiagnosticUtility.ExceptionUtility.TraceHandledException(exception5, TraceEventType.Information);
}
}
}
catch (TimeoutException exception6)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelper(new TimeoutException(System.ServiceModel.SR.GetString("PipeCloseFailed"), exception6), this.ExceptionEventType);
}
catch (PipeException exception7)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelper(this.ConvertPipeException(System.ServiceModel.SR.GetString("PipeCloseFailed"), exception7, TransferOperation.Undefined), this.ExceptionEventType);
}
finally
{
if (flag)
{
this.CloseHandle(false, null, TransferOperation.Undefined);
}
}
}
/// <summary>
/// Initializes a new instance of the TabPage class.
/// </summary>
/// <param name="title">Title for the page.</param>
/// <param name="control">Child control for display.</param>
/// <param name="state">State for the page.</param>
public TabPage(string title, Control control, CloseState state)
{
InternalConstruct(title, control, null, -1, null, null);
this.PageCloseState = state;
}
private async void MainWindow_OnClosing(object sender, CancelEventArgs e)
{
if (CloseState.ForceClose.Equals(WindowCloseState))
{
return;
}
if (CloseState.Closing.Equals(WindowCloseState))
{
if (WindowState.Equals(WindowState.Minimized))
{
WindowState = WindowState.Normal;
}
e.Cancel = true;
SystemSounds.Exclamation.Play();
return;
}
WindowCloseState = CloseState.Closing;
if (Context.IsNotSaved)
{
e.Cancel = true;
if (WindowState.Equals(WindowState.Minimized))
{
WindowState = WindowState.Normal;
SystemSounds.Exclamation.Play();
RootDialog.Focus();
}
if (RootDialog.IsOpen)
{
DialogHost.CloseDialogCommand.Execute(null, RootDialog);
}
var dialog = new DecisionDialog("Configuration has changed", "Do you want to save before closing?");
var result = (MessageBoxResult?)await DialogHost.Show(dialog, "RootDialog");
if (result == null)
{
return;
}
switch (result)
{
case MessageBoxResult.None:
case MessageBoxResult.Cancel:
WindowCloseState = CloseState.None;
return;
case MessageBoxResult.OK:
case MessageBoxResult.Yes:
Context.SaveContext();
WindowCloseState = CloseState.ForceClose;
Close();
break;
case MessageBoxResult.No:
WindowCloseState = CloseState.ForceClose;
Close();
break;
}
}
}
private void Abort(TraceEventType traceEventType, string timeoutErrorString, TransferOperation transferOperation)
{
lock (this.ThisLock)
{
if (this.closeState == CloseState.Closed)
{
return;
}
this.timeoutErrorString = timeoutErrorString;
this.timeoutErrorTransferOperation = transferOperation;
this.aborted = true;
this.closeState = CloseState.Closed;
if (!this.asyncReadPending)
{
this.FreeOverlappedContextAndReturnBuffer();
}
if (this.asyncReadPending)
{
this.CancelReceiveTimer();
}
if (this.asyncWritePending)
{
this.CancelSendTimer();
}
}
if (DiagnosticUtility.ShouldTrace(traceEventType))
{
TraceUtility.TraceEvent(traceEventType, 0x4001b, System.ServiceModel.SR.GetString("TraceCodeSocketConnectionAbort"), this);
}
this.socket.Close(0);
}
public void Close(IState state)
{
state = new CloseState();
}
void Abort(TraceEventType traceEventType, string timeoutErrorString, TransferOperation transferOperation)
{
if (TD.SocketConnectionAbortIsEnabled())
{
TD.SocketConnectionAbort(this.socket.GetHashCode());
}
lock (ThisLock)
{
if (closeState == CloseState.Closed)
{
return;
}
this.timeoutErrorString = timeoutErrorString;
this.timeoutErrorTransferOperation = transferOperation;
aborted = true;
closeState = CloseState.Closed;
if (this.asyncReadPending)
{
CancelReceiveTimer();
}
else
{
this.DisposeReadEventArgs();
}
if (this.asyncWritePending)
{
CancelSendTimer();
}
else
{
this.DisposeWriteEventArgs();
}
}
if (DiagnosticUtility.ShouldTrace(traceEventType))
{
TraceUtility.TraceEvent(traceEventType, TraceCode.SocketConnectionAbort,
SR.GetString(SR.TraceCodeSocketConnectionAbort), this);
}
socket.Close(0);
}
public void Close(TimeSpan timeout, bool asyncAndLinger)
{
lock (this.ThisLock)
{
if ((this.closeState == CloseState.Closing) || (this.closeState == CloseState.Closed))
{
return;
}
this.TraceSocketInfo(this.socket, 0x4001a, "TraceCodeSocketConnectionClose", timeout.ToString());
this.closeState = CloseState.Closing;
}
this.closeTimeoutHelper = new TimeoutHelper(timeout);
this.Shutdown(this.closeTimeoutHelper.RemainingTime());
if (asyncAndLinger)
{
this.CloseAsyncAndLinger();
}
else
{
this.CloseSync();
}
}
public void Close(TimeSpan timeout, bool asyncAndLinger)
{
lock (ThisLock)
{
if (closeState == CloseState.Closing || closeState == CloseState.Closed)
{
// already closing or closed, so just return
return;
}
this.TraceSocketInfo(this.socket, TraceCode.SocketConnectionClose, SR.TraceCodeSocketConnectionClose, timeout.ToString());
closeState = CloseState.Closing;
}
// first we shutdown our send-side
closeTimeoutHelper = new TimeoutHelper(timeout);
Shutdown(closeTimeoutHelper.RemainingTime());
if (asyncAndLinger)
{
CloseAsyncAndLinger();
}
else
{
CloseSync();
}
}
public void ContinueClose(TimeSpan timeout)
{
// trace if we're effectively aborting
if (timeout <= TimeSpan.Zero && DiagnosticUtility.ShouldTraceWarning)
{
TraceUtility.TraceEvent(TraceEventType.Warning, TraceCode.SocketConnectionAbortClose,
SR.GetString(SR.TraceCodeSocketConnectionAbortClose), this);
}
socket.Close(TimeoutHelper.ToMilliseconds(timeout));
lock (ThisLock)
{
// Abort could have been called on a separate thread and cleaned up
// our buffers/completion here
if (this.closeState != CloseState.Closed)
{
if (!this.asyncReadPending)
{
this.DisposeReadEventArgs();
}
if (!this.asyncWritePending)
{
this.DisposeWriteEventArgs();
}
}
closeState = CloseState.Closed;
}
}
public void ContinueClose(TimeSpan timeout)
{
if ((timeout <= TimeSpan.Zero) && DiagnosticUtility.ShouldTraceWarning)
{
TraceUtility.TraceEvent(TraceEventType.Warning, 0x4001c, System.ServiceModel.SR.GetString("TraceCodeSocketConnectionAbortClose"), this);
}
this.socket.Close(TimeoutHelper.ToMilliseconds(timeout));
lock (this.ThisLock)
{
if (!this.asyncReadPending && (this.closeState != CloseState.Closed))
{
this.FreeOverlappedContextAndReturnBuffer();
}
this.closeState = CloseState.Closed;
}
}
void CloseHandle(bool abort, string timeoutErrorString, TransferOperation transferOperation)
{
lock (readLock)
{
lock (writeLock)
{
if (this.closeState == CloseState.HandleClosed)
{
return;
}
this.timeoutErrorString = timeoutErrorString;
this.timeoutErrorTransferOperation = transferOperation;
this.aborted = abort;
this.closeState = CloseState.HandleClosed;
this.pipe.Close();
this.readOverlapped.FreeOrDefer();
this.writeOverlapped.FreeOrDefer();
if (this.atEOFEvent != null)
{
this.atEOFEvent.Close();
}
// This should only do anything in the abort case.
try
{
FinishPendingWrite(TimeSpan.Zero);
}
catch (TimeoutException exception)
{
if (TD.CloseTimeoutIsEnabled())
{
TD.CloseTimeout(exception.Message);
}
DiagnosticUtility.TraceHandledException(exception, TraceEventType.Information);
}
catch (CommunicationException exception)
{
DiagnosticUtility.TraceHandledException(exception, TraceEventType.Information);
}
}
}
if (abort)
{
TraceEventType traceEventType = TraceEventType.Warning;
// we could be timing out a cached connection
if (this.ExceptionEventType == TraceEventType.Information)
{
traceEventType = this.ExceptionEventType;
}
if (DiagnosticUtility.ShouldTrace(traceEventType))
{
TraceUtility.TraceEvent(traceEventType, TraceCode.PipeConnectionAbort, SR.GetString(SR.TraceCodePipeConnectionAbort), this);
}
}
}
public Connection()
{
State = new CloseState();
}
public void Close(TimeSpan timeout, bool asyncAndLinger)
{
lock (ThisLock)
{
if (_closeState == CloseState.Closing || _closeState == CloseState.Closed)
{
// already closing or closed, so just return
return;
}
_closeState = CloseState.Closing;
}
_closeTimeoutHelper = new TimeoutHelper(timeout);
// first we shutdown our send-side
Shutdown(timeout);
CloseCore(asyncAndLinger);
}
// CSDMain 112188: Note asyncAndLinger has no effect here. Async pooling for Tcp was
// added and NamedPipes currently doesn't obey the async model.
public void Close(TimeSpan timeout, bool asyncAndLinger)
{
TimeoutHelper timeoutHelper = new TimeoutHelper(timeout);
FinishPendingWrite(timeout);
bool shouldCloseHandle = false;
try
{
bool existingReadIsPending = false;
bool shouldReadEOF = false;
bool shouldWriteEOF = false;
lock (readLock)
{
lock (writeLock)
{
if (!isShutdownWritten && inWritingState)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelper(
new PipeException(SR.GetString(SR.PipeCantCloseWithPendingWrite)), ExceptionEventType);
}
if (closeState == CloseState.Closing || closeState == CloseState.HandleClosed)
{
// already closing or closed, so just return
return;
}
closeState = CloseState.Closing;
shouldCloseHandle = true;
if (!isAtEOF)
{
if (inReadingState)
{
existingReadIsPending = true;
}
else
{
shouldReadEOF = true;
}
}
if (!isShutdownWritten)
{
shouldWriteEOF = true;
isShutdownWritten = true;
}
}
}
if (shouldWriteEOF)
{
StartWriteZero(timeoutHelper.RemainingTime());
}
if (shouldReadEOF)
{
StartReadZero();
}
// wait for shutdown write to complete
try
{
WaitForWriteZero(timeoutHelper.RemainingTime(), true);
}
catch (TimeoutException e)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelper(
new TimeoutException(SR.GetString(SR.PipeShutdownWriteError), e), ExceptionEventType);
}
// ensure we have received EOF signal
if (shouldReadEOF)
{
try
{
WaitForReadZero(timeoutHelper.RemainingTime(), true);
}
catch (TimeoutException e)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelper(
new TimeoutException(SR.GetString(SR.PipeShutdownReadError), e), ExceptionEventType);
}
}
else if (existingReadIsPending)
{
if (!TimeoutHelper.WaitOne(atEOFEvent, timeoutHelper.RemainingTime()))
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelper(
new TimeoutException(SR.GetString(SR.PipeShutdownReadError)), ExceptionEventType);
}
}
// else we had already seen EOF.
// at this point, we may get exceptions if the other side closes the handle first
try
{
// write an ack for eof
StartWriteZero(timeoutHelper.RemainingTime());
// read an ack for eof
StartReadZero();
// wait for write to complete/fail
WaitForWriteZero(timeoutHelper.RemainingTime(), false);
// wait for read to complete/fail
WaitForReadZero(timeoutHelper.RemainingTime(), false);
}
catch (PipeException e)
{
if (!IsBrokenPipeError(e.ErrorCode))
{
throw;
}
DiagnosticUtility.TraceHandledException(e, TraceEventType.Information);
}
catch (CommunicationException e)
{
DiagnosticUtility.TraceHandledException(e, TraceEventType.Information);
}
catch (TimeoutException e)
{
DiagnosticUtility.TraceHandledException(e, TraceEventType.Information);
}
}
catch (TimeoutException e)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelper(
new TimeoutException(SR.GetString(SR.PipeCloseFailed), e), ExceptionEventType);
}
catch (PipeException e)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelper(
ConvertPipeException(SR.GetString(SR.PipeCloseFailed), e, TransferOperation.Undefined), ExceptionEventType);
}
finally
{
if (shouldCloseHandle)
{
CloseHandle(false, null, TransferOperation.Undefined);
}
}
}
private void CloseHandle(bool abort, string timeoutErrorString, TransferOperation transferOperation)
{
lock (this.readLock)
{
lock (this.writeLock)
{
if (this.closeState == CloseState.HandleClosed)
{
return;
}
this.timeoutErrorString = timeoutErrorString;
this.timeoutErrorTransferOperation = transferOperation;
this.aborted = abort;
this.closeState = CloseState.HandleClosed;
this.pipe.Close();
this.readOverlapped.FreeOrDefer();
this.writeOverlapped.FreeOrDefer();
if (this.atEOFEvent != null)
{
this.atEOFEvent.Close();
}
try
{
this.FinishPendingWrite(TimeSpan.Zero);
}
catch (TimeoutException exception)
{
if (DiagnosticUtility.ShouldTraceInformation)
{
DiagnosticUtility.ExceptionUtility.TraceHandledException(exception, TraceEventType.Information);
}
}
catch (CommunicationException exception2)
{
if (DiagnosticUtility.ShouldTraceInformation)
{
DiagnosticUtility.ExceptionUtility.TraceHandledException(exception2, TraceEventType.Information);
}
}
}
}
if (abort)
{
TraceEventType warning = TraceEventType.Warning;
if (this.ExceptionEventType == TraceEventType.Information)
{
warning = this.ExceptionEventType;
}
if (DiagnosticUtility.ShouldTrace(warning))
{
TraceUtility.TraceEvent(warning, 0x4001d, System.ServiceModel.SR.GetString("TraceCodePipeConnectionAbort"), this);
}
}
}
