public void OnAbnormalTermination(string msg)
{
if (AbnormalTermination != null)
{
AbnormalTermination.Invoke(this, new AbnormalTerminationEventArgs(msg));
}
_callback.OnAbnormalTermination(msg);
}
protected void OnAbnormalTerminationCore(string msg)
{
EnsureCallbackHandler();
_parent.CloseBySocket();
try {
_callback.OnAbnormalTermination(msg);
}
catch (Exception ex) {
CloseError(ex);
}
}
private GenericResult OnAbnormalTerminationCore(string msg)
{
try {
_ownerConnection.CloseBySocket();
_callback.OnAbnormalTermination(msg);
return(GenericResult.Succeeded);
}
catch (Exception ex) {
RuntimeUtil.ReportException(ex);
_socket.Disconnect(false);
return(GenericResult.Failed);
}
}
protected void OnAbnormalTerminationCore(string msg)
{
_parent.CloseBySocket();
try {
if (_callback != null)
{
_callback.OnAbnormalTermination(msg);
}
}
catch (Exception ex) {
CloseError(ex);
}
}
/// <summary>
/// Thread input from stream
/// </summary>
/// <param name="asyncInput"></param>
private void InputThread(IByteAsyncInputStream asyncInput)
{
byte[] buff = new byte[4096];
ByteDataFragment _dataFragment = new ByteDataFragment();
try {
bool endOfStream = false;
while (!_terminateInputThread && !_processExited)
{
IAsyncResult asyncResult = _inputStream.BeginRead(buff, 0, buff.Length, null, null);
while (!_terminateInputThread && !_processExited)
{
bool signaled = asyncResult.AsyncWaitHandle.WaitOne(500);
if (signaled)
{
int len = _inputStream.EndRead(asyncResult);
if (len == 0)
{
endOfStream = true;
goto EndThread;
}
_dataFragment.Set(buff, 0, len);
asyncInput.OnReception(_dataFragment);
break;
}
}
}
EndThread:
if (endOfStream || _processExited)
{
_skipInputThreadJoin = true; // avoids deadlock
Close();
asyncInput.OnNormalTermination();
}
}
catch (Exception e) {
RuntimeUtil.SilentReportException(e);
_skipInputThreadJoin = true; // avoids deadlock
Close();
asyncInput.OnAbnormalTermination("Input thread error: " + e.Message);
}
}
protected void OnAbnormalTerminationCore(string msg)
{
EnsureCallbackHandler();
_parent.CloseBySocket();
try {
if (_callback != null)
{
_callback.OnAbnormalTermination(msg);
}
}
catch (Exception ex) {
CloseError(ex);
}
if (ConnectionLost != null)
{
ConnectionLost(this, new ErrorEventArgs(new Exception(msg)));
}
}
protected void OnAbnormalTerminationCore(string msg)
{
_parent.CloseBySocket();
try
{
if (_callback != null)
{
_callback.OnAbnormalTermination(msg);
}
}
catch (Exception ex)
{
CloseError(ex);
}
finally
{
if (AbnormalTermination != null)
{
AbnormalTermination(this, new AbnormalTerminationEventArgs(msg));
}
}
}
public void OnAbnormalTermination(string message)
{
_site.Cancel(message);
Dispose();
_defaultHandler.OnAbnormalTermination(message);
}
public void OnAbnormalTermination(string msg)
{
_callback.OnAbnormalTermination(msg);
}
private void AsyncEntry()
{
const int EV_RXCHAR = 1;
ManualResetEvent commEventOverlappedEvent = null;
ManualResetEvent readOverlappedEvent = null;
try {
commEventOverlappedEvent = new ManualResetEvent(false);
readOverlappedEvent = new ManualResetEvent(false);
NativeOverlapped commEventOverlapped = new NativeOverlapped();
commEventOverlapped.EventHandle = commEventOverlappedEvent.SafeWaitHandle.DangerousGetHandle();
NativeOverlapped readOverlapped = new NativeOverlapped();
readOverlapped.EventHandle = readOverlappedEvent.SafeWaitHandle.DangerousGetHandle();
GCHandle commEventOverlappedPinned = GCHandle.Alloc(commEventOverlapped, GCHandleType.Pinned); // Pin a boxed NativeOverlapped
GCHandle readOverlappedPinned = GCHandle.Alloc(readOverlapped, GCHandleType.Pinned); // Pin a boxed NativeOverlapped
int commFlags = 0;
GCHandle commFlagsPinned = GCHandle.Alloc(commFlags, GCHandleType.Pinned); // Pin a boxed Int32
int readLength = 0;
GCHandle readLengthPinned = GCHandle.Alloc(readLength, GCHandleType.Pinned); // Pin a boxed Int32
int transferredLength = 0;
GCHandle transferredLengthPinned = GCHandle.Alloc(transferredLength, GCHandleType.Pinned); // Pin a boxed Int32
byte[] buf = new byte[128];
GCHandle bufPinned = GCHandle.Alloc(buf, GCHandleType.Pinned);
// Note:
// GCHandle.Alloc(<struct>, GCHandleType.Pinned) makes a GCHandle for `Boxed' struct object.
// So if you want to read a value of the struct, you have to read it from `Boxed' struct object
// which is returned by GCHandle.Target.
try {
bool success = false;
success = Win32Serial.ClearCommError(_fileHandle, IntPtr.Zero, IntPtr.Zero);
if (!success)
{
throw new Exception("ClearCommError failed " + Marshal.GetLastWin32Error());
}
//このSetCommMaskを実行しないとWaitCommEventが失敗してしまう
success = Win32Serial.SetCommMask(_fileHandle, 0);
if (!success)
{
throw new Exception("SetCommMask failed " + Marshal.GetLastWin32Error());
}
success = Win32Serial.SetCommMask(_fileHandle, EV_RXCHAR);
if (!success)
{
throw new Exception("SetCommMask failed " + Marshal.GetLastWin32Error());
}
while (true)
{
commFlags = 0;
commFlagsPinned.Target = commFlags; // Pin a new boxed Int32
transferredLength = 0;
transferredLengthPinned.Target = transferredLength; // Pin a new boxed Int32
commEventOverlappedPinned.Target = commEventOverlapped; // Pin a new boxed NativeOverlapped
success = Win32Serial.WaitCommEvent(
_fileHandle,
commFlagsPinned.AddrOfPinnedObject(),
commEventOverlappedPinned.AddrOfPinnedObject());
if (!success)
{
int lastErr = Marshal.GetLastWin32Error();
if (lastErr == Win32.ERROR_INVALID_HANDLE)
{
goto CLOSED; // closed in another thread ?
}
if (lastErr != Win32.ERROR_IO_PENDING)
{
throw new Exception("WaitCommEvent failed " + lastErr);
}
success = Win32Serial.GetOverlappedResult(
_fileHandle,
commEventOverlappedPinned.AddrOfPinnedObject(),
transferredLengthPinned.AddrOfPinnedObject(),
true);
if (!success)
{
lastErr = Marshal.GetLastWin32Error();
if (lastErr == Win32.ERROR_INVALID_HANDLE || lastErr == Win32.ERROR_OPERATION_ABORTED)
{
goto CLOSED; // closed in another thread ?
}
throw new Exception("GetOverlappedResult failed " + lastErr);
}
}
if ((int)commFlagsPinned.Target != EV_RXCHAR)
{
goto CLOSED;
}
while (true)
{
readLength = 0;
readLengthPinned.Target = readLength; // Pin a new boxed Int32
transferredLength = 0;
transferredLengthPinned.Target = transferredLength; // Pin a new boxed Int32
readOverlappedPinned.Target = readOverlapped; // Pin a new boxed NativeOverlapped
success = Win32Serial.ReadFile(
_fileHandle,
bufPinned.AddrOfPinnedObject(),
buf.Length,
readLengthPinned.AddrOfPinnedObject(),
readOverlappedPinned.AddrOfPinnedObject());
if (!success)
{
int lastErr = Marshal.GetLastWin32Error();
if (lastErr == Win32.ERROR_INVALID_HANDLE)
{
goto CLOSED; // closed in another thread ?
}
if (lastErr != Win32.ERROR_IO_PENDING)
{
throw new Exception("ReadFile failed " + lastErr);
}
success = Win32Serial.GetOverlappedResult(
_fileHandle,
readOverlappedPinned.AddrOfPinnedObject(),
transferredLengthPinned.AddrOfPinnedObject(),
true);
if (!success)
{
lastErr = Marshal.GetLastWin32Error();
if (lastErr == Win32.ERROR_INVALID_HANDLE || lastErr == Win32.ERROR_OPERATION_ABORTED)
{
goto CLOSED; // closed in another thread ?
}
throw new Exception("GetOverlappedResult failed " + lastErr);
}
readLength = (int)transferredLengthPinned.Target; // copy from pinned `boxed' Int32
}
else
{
readLength = (int)readLengthPinned.Target; // copy from pinned `boxed' Int32
}
if (readLength <= 0)
{
break;
}
_dataFragment.Set(buf, 0, readLength);
_callback.OnReception(_dataFragment);
}
}
}
finally {
commEventOverlappedPinned.Free();
readOverlappedPinned.Free();
commFlagsPinned.Free();
readLengthPinned.Free();
transferredLengthPinned.Free();
bufPinned.Free();
}
CLOSED:
;
}
catch (Exception ex) {
if (!_parent.IsClosed)
{
_callback.OnAbnormalTermination(ex.Message);
}
}
finally {
if (commEventOverlappedEvent != null)
{
commEventOverlappedEvent.Close();
}
if (readOverlappedEvent != null)
{
readOverlappedEvent.Close();
}
}
}
/// <summary>
/// Thread input from stream
/// </summary>
/// <param name="asyncInput"></param>
private void InputThread(IByteAsyncInputStream asyncInput) {
byte[] buff = new byte[4096];
ByteDataFragment _dataFragment = new ByteDataFragment();
try {
bool endOfStream = false;
while (!_terminateInputThread && !_processExited) {
IAsyncResult asyncResult = _inputStream.BeginRead(buff, 0, buff.Length, null, null);
while (!_terminateInputThread && !_processExited) {
bool signaled = asyncResult.AsyncWaitHandle.WaitOne(500);
if (signaled) {
int len = _inputStream.EndRead(asyncResult);
if (len == 0) {
endOfStream = true;
goto EndThread;
}
_dataFragment.Set(buff, 0, len);
asyncInput.OnReception(_dataFragment);
break;
}
}
}
EndThread:
if (endOfStream || _processExited) {
_skipInputThreadJoin = true; // avoids deadlock
Close();
asyncInput.OnNormalTermination();
}
}
catch (Exception e) {
RuntimeUtil.SilentReportException(e);
_skipInputThreadJoin = true; // avoids deadlock
Close();
asyncInput.OnAbnormalTermination("Input thread error: " + e.Message);
}
}