public void Receive(byte[] data, int offset, int length)
{
if (_receiver != null)
{
_receiver.OnReception(new ByteDataFragment(data, offset, length));
}
}
//CR NUL -> CR 変換および IACからはじまるシーケンスの処理
private void ProcessBuffer(ByteDataFragment data)
{
int limit = data.Offset + data.Length;
int offset = data.Offset;
byte[] buf = data.Buffer;
//Debug.WriteLine(String.Format("Telnet len={0}, proc={1}", data.Length, _negotiator.InProcessing));
while (offset < limit)
{
while (offset < limit && _negotiator.InProcessing)
{
if (_negotiator.Process(buf[offset++]) == TelnetNegotiator.ProcessResult.REAL_0xFF)
{
_callback.OnReception(_localdata.Set(buf, offset - 1, 1));
}
}
int delim = offset;
while (delim < limit)
{
byte b = buf[delim];
if (b == 0xFF)
{
_gotCR = false;
_negotiator.StartNegotiate();
break;
}
if (b == 0 && _gotCR)
{
_gotCR = false;
break; //CR NUL
}
_gotCR = (b == 0xd);
delim++;
}
if (delim > offset)
{
_callback.OnReception(_localdata.Set(buf, offset, delim - offset)); //delimの手前まで処理
}
offset = delim + 1;
}
}
//IByteAsyncInputStream‚̃nƒ“ƒhƒ‰‚Å—áŠO‚ª—ˆ‚é‚Æ‚¯‚Á‚±‚¤ŽSŽ–‚È‚Ì‚Å‚±‚Ì’†‚Å‚µ‚Á‚©‚èƒK[ƒh
private GenericResult OnReceptionCore(ByteDataFragment data)
{
try {
_callback.OnReception(_dataFragment);
return(GenericResult.Succeeded);
}
catch (Exception ex) {
RuntimeUtil.ReportException(ex);
Close();
return(GenericResult.Failed);
}
}
/// <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);
}
}
public void OnData(DataFragment data)
{
lock (_outputSync) {
if (_output == null)
{
if (_buffer != null)
{
_buffer.Write(data.Data, data.Offset, data.Length);
}
return;
}
_dataFragment.Set(data.Data, data.Offset, data.Length);
_output.OnReception(_dataFragment);
}
}
public void SetReceptionHandler(IByteAsyncInputStream output)
{
lock (_outputSync) {
if (_output != null)
{
return;
}
_output = output;
if (_buffer != null && _buffer.Length > 0)
{
byte[] bytes = _buffer.ToArray();
_buffer.Dispose();
_buffer = null;
_dataFragment.Set(bytes, 0, bytes.Length);
_output.OnReception(_dataFragment);
}
}
}
/// <summary>
/// Pump thread
/// </summary>
/// <param name="receiver"></param>
private void PumpThread(IByteAsyncInputStream receiver)
{
lock (_pumpThreadSync) {
while (true)
{
if (_isClosed)
{
break;
}
if (_generator != null)
{
IEnumerable <byte[]> generator = _generator;
_generator = null;
_isProcessing = true;
foreach (byte[] data in generator)
{
if (_isClosed)
{
break;
}
ByteDataFragment fragment = new ByteDataFragment(data, 0, data.Length);
receiver.OnReception(fragment);
}
_isProcessing = false;
Monitor.PulseAll(_pumpThreadSync);
}
if (_isClosed)
{
break;
}
Monitor.Wait(_pumpThreadSync);
}
}
}
public void RepeatAsyncRead(IByteAsyncInputStream cb)
{
_callback = cb;
//バッファに何がしか溜まっている場合：
//NOTE これは、IPoderosaSocket#StartAsyncReadを呼ぶシーケンスをなくし、接続を開始する瞬間(IProtocolServiceのメソッド系)から
//データ本体を受信する口を提供させるようにすれば除去できる。しかしプログラマの側としては、接続成功を確認してからデータ受信口を用意したいので、
//（Poderosaでいえば、ログインボタンのOKを押す時点でAbstractTerminalまで準備せねばならないということ）、それよりはデータを保留しているほうがいいだろう
if (_buffer != null)
{
lock (this) {
_buffer.Close();
byte[] t = _buffer.ToArray();
_data.Set(t, 0, t.Length);
if (t.Length > 0)
{
_callback.OnReception(_data);
}
_buffer = null;
}
}
}
public void RepeatAsyncRead(IByteAsyncInputStream cb)
{
_callback = cb;
//ƒoƒbƒtƒ@‚ɉ½‚ª‚µ‚©—‚Ü‚Á‚Ä‚¢‚éê‡F
//NOTE ‚±‚ê‚ÍAIPoderosaSocket#StartAsyncRead‚ðŒÄ‚ÔƒV[ƒPƒ“ƒX‚ð‚È‚‚µAÚ‘±‚ðŠJŽn‚·‚éuŠÔ(IProtocolService‚̃ƒ\ƒbƒhŒn)‚©‚ç
//ƒf[ƒ^–{‘Ì‚ðŽóM‚·‚éŒû‚ð’ñ‹Ÿ‚³‚¹‚é‚悤‚É‚·‚ê‚Îœ‹Ž‚Å‚«‚éB‚µ‚©‚µƒvƒƒOƒ‰ƒ}‚Ì‘¤‚Æ‚µ‚Ä‚ÍAÚ‘±¬Œ÷‚ðŠm”F‚µ‚Ä‚©‚çƒf[ƒ^ŽóMŒû‚ð—pˆÓ‚µ‚½‚¢‚Ì‚ÅA
//iPoderosa‚Å‚¢‚¦‚ÎAƒƒOƒCƒ“ƒ{ƒ^ƒ“‚ÌOK‚ð‰Ÿ‚·Žž“_‚ÅAbstractTerminal‚Ü‚Å€”õ‚¹‚˂΂Ȃç‚È‚¢‚Æ‚¢‚¤‚±‚ÆjA‚»‚ê‚æ‚è‚̓f[ƒ^‚ð•Û—¯‚µ‚Ä‚¢‚é‚Ù‚¤‚ª‚¢‚¢‚¾‚낤
if (_buffer != null)
{
lock (this) {
_buffer.Close();
byte[] t = _buffer.ToArray();
_data.Set(t, 0, t.Length);
if (t.Length > 0)
{
_callback.OnReception(_data);
}
_buffer = null;
}
}
}
public void RepeatAsyncRead(IByteAsyncInputStream cb)
{
_callback = cb;
//�o�b�t�@�ɉ����������܂��Ă���ꍇ�F
//NOTE ����́AIPoderosaSocket#StartAsyncRead��ĂԃV�[�P���X��Ȃ����A�ڑ���J�n����u��(IProtocolService�̃��\�b�h�n)����
//�f�[�^�{�̂��M������������悤�ɂ���Ώ����ł���B�������v���O���}�̑��Ƃ��ẮA�ڑ�������m�F���Ă���f�[�^��M����p�ӂ������̂ŁA
//�iPoderosa�ł����A���O�C���{�^����OK��������_��AbstractTerminal�܂ŏ������˂Ȃ�Ȃ��Ƃ������Ɓj�A������̓f�[�^��ۗ����Ă���ق����������낤
if (_buffer != null) {
lock (this) {
_buffer.Close();
byte[] t = _buffer.ToArray();
_data.Set(t, 0, t.Length);
if (t.Length > 0)
_callback.OnReception(_data);
_buffer = null;
}
}
}
/// <summary>
/// Pump thread
/// </summary>
/// <param name="receiver"></param>
private void PumpThread(IByteAsyncInputStream receiver)
{
lock (_pumpThreadSync) {
while (true) {
if (_isClosed)
break;
if (_generator != null) {
IEnumerable<byte[]> generator = _generator;
_generator = null;
_isProcessing = true;
foreach (byte[] data in generator) {
if (_isClosed)
break;
ByteDataFragment fragment = new ByteDataFragment(data, 0, data.Length);
receiver.OnReception(fragment);
}
_isProcessing = false;
Monitor.PulseAll(_pumpThreadSync);
}
if (_isClosed)
break;
Monitor.Wait(_pumpThreadSync);
}
}
}
public void Transmit(ByteDataFragment data)
{
_receiver.OnReception(data);
}
public void RepeatAsyncRead(IByteAsyncInputStream cb)
{
_callback = cb;
//バッファに何がしか溜まっている場合：
//NOTE これは、IPoderosaSocket#StartAsyncReadを呼ぶシーケンスをなくし、接続を開始する瞬間(IProtocolServiceのメソッド系)から
//データ本体を受信する口を提供させるようにすれば除去できる。しかしプログラマの側としては、接続成功を確認してからデータ受信口を用意したいので、
//（Poderosaでいえば、ログインボタンのOKを押す時点でAbstractTerminalまで準備せねばならないということ）、それよりはデータを保留しているほうがいいだろう
if (_buffer != null) {
lock (this) {
_buffer.Close();
byte[] t = _buffer.ToArray();
_data.Set(t, 0, t.Length);
if (t.Length > 0)
_callback.OnReception(_data);
_buffer = null;
}
}
}
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);
}
}
public void SetReceptionHandler(IByteAsyncInputStream output)
{
lock (_outputSync) {
if (_output != null) {
return;
}
_output = output;
if (_buffer != null && _buffer.Length > 0) {
byte[] bytes = _buffer.ToArray();
_buffer.Dispose();
_buffer = null;
_dataFragment.Set(bytes, 0, bytes.Length);
_output.OnReception(_dataFragment);
}
}
}