Modified closing
This commit is contained in:
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parent
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commit
133ff88b0d
@ -259,7 +259,7 @@ namespace WebSocketSharp
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set {
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if (IsOpened)
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{
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var msg = "The WebSocket connection has already been established.";
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var msg = "A WebSocket connection has already been established.";
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_logger.Error (msg);
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error (msg);
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@ -386,7 +386,7 @@ namespace WebSocketSharp
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string msg = null;
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if (IsOpened)
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{
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msg = "The WebSocket connection has already been established.";
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msg = "A WebSocket connection has already been established.";
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}
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else if (value.IsNullOrEmpty ())
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{
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@ -531,49 +531,6 @@ namespace WebSocketSharp
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return send (createHandshakeResponse ());
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}
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private void close (PayloadData data)
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{
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_logger.Debug ("Is this thread background?: " + Thread.CurrentThread.IsBackground);
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var sent = false;
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CloseEventArgs args = null;
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lock (_forClose)
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{
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if (_readyState == WebSocketState.CLOSING || _readyState == WebSocketState.CLOSED)
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return;
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var current = _readyState;
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_readyState = WebSocketState.CLOSING;
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args = new CloseEventArgs (data);
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if (current == WebSocketState.CONNECTING)
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{
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if (!_client)
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{
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close (HttpStatusCode.BadRequest);
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return;
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}
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}
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else
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{
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if (!data.ContainsReservedCloseStatusCode)
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sent = send (createControlFrame (Opcode.CLOSE, data, _client));
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}
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}
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var received = Thread.CurrentThread.IsBackground ||
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(_exitReceiving != null && _exitReceiving.WaitOne (5 * 1000));
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var released = closeResources ();
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args.WasClean = sent && received && released;
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_logger.Debug ("Was clean?: " + args.WasClean);
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_readyState = WebSocketState.CLOSED;
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OnClose.Emit (this, args);
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_logger.Trace ("Exit close method.");
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}
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// As server
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private void close (HttpStatusCode code)
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{
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@ -587,19 +544,46 @@ namespace WebSocketSharp
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_readyState = WebSocketState.CLOSED;
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}
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private void close (ushort code, string reason)
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private void close (PayloadData data, bool received)
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{
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var data = code.Append (reason);
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var msg = data.CheckIfValidCloseData ();
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if (msg != null)
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var sent = false;
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CloseEventArgs args = null;
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lock (_forClose)
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{
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_logger.Error (String.Format ("{0}\ncode: {1}\nreason: {2}", msg, code, reason));
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error (msg);
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if (_readyState == WebSocketState.CLOSING || _readyState == WebSocketState.CLOSED)
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return;
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return;
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_logger.Trace ("Start closing handshake.");
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var current = _readyState;
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_readyState = WebSocketState.CLOSING;
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if (current == WebSocketState.CONNECTING && !_client)
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{
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close (HttpStatusCode.BadRequest);
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return;
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}
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args = new CloseEventArgs (data);
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if (current == WebSocketState.OPEN && !data.ContainsReservedCloseStatusCode)
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sent = send (createControlFrame (Opcode.CLOSE, data, _client));
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}
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close (new PayloadData (data));
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received = received || (sent && _exitReceiving != null && _exitReceiving.WaitOne (5 * 1000));
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var released = closeResources ();
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args.WasClean = sent && received && released;
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_logger.Debug (String.Format (
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"Was clean?: {0}\nsent: {1} received: {2} released: {3}", args.WasClean, sent, received, released));
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_readyState = WebSocketState.CLOSED;
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_logger.Trace ("End closing handshake.");
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OnClose.Emit (this, args);
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}
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private void close (CloseStatusCode code, string reason, bool received)
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{
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var data = ((ushort) code).Append (reason);
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close (new PayloadData (data), received);
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}
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// As client
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@ -629,7 +613,7 @@ namespace WebSocketSharp
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return true;
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}
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catch (Exception ex) {
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_logger.Fatal (ex.Message);
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_logger.Fatal (ex.ToString ());
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error ("An exception has occured.");
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return false;
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@ -648,49 +632,49 @@ namespace WebSocketSharp
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private bool concatenateFragments (Stream dest)
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{
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Func<WsFrame, bool> processContinuation = contFrame =>
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{
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if (!contFrame.IsContinuation)
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return false;
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dest.WriteBytes (contFrame.PayloadData.ApplicationData);
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return true;
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};
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while (true)
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{
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var frame = _stream.ReadFrame ();
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if (processAbnormal (frame))
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return false;
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if (frame == null)
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return processAbnormalFrame ();
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if (!frame.IsFinal)
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if (frame.IsCompressed)
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return processIncorrectFrame ();
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// MORE & CONT
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if (!frame.IsFinal && frame.IsContinuation)
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{
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// MORE & CONT
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if (processContinuation (frame))
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continue;
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dest.WriteBytes (frame.PayloadData.ApplicationData);
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continue;
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}
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else
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// FINAL & CONT
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if (frame.IsFinal && frame.IsContinuation)
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{
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// FINAL & CONT
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if (processContinuation (frame))
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break;
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// FINAL & PING
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if (processPing (frame))
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continue;
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// FINAL & PONG
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if (processPong (frame))
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continue;
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// FINAL & CLOSE
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if (processClose (frame))
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return false;
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dest.WriteBytes (frame.PayloadData.ApplicationData);
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break;
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}
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// FINAL & PING
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if (frame.IsFinal && frame.IsPing)
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{
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processPingFrame (frame);
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continue;
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}
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// FINAL & PONG
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if (frame.IsFinal && frame.IsPong)
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{
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processPongFrame ();
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continue;
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}
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// FINAL & CLOSE
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if (frame.IsFinal && frame.IsClose)
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return processCloseFrame (frame);
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// ?
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processIncorrectFrame ();
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return false;
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return processIncorrectFrame ();
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}
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return true;
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@ -828,7 +812,7 @@ namespace WebSocketSharp
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{
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_logger.Error (msg);
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error (msg);
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Close (CloseStatusCode.ABNORMAL, msg);
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Close (CloseStatusCode.ABNORMAL);
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return false;
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}
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@ -873,37 +857,22 @@ namespace WebSocketSharp
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send (frame);
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}
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private bool processAbnormal (WsFrame frame)
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private bool processAbnormalFrame ()
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{
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if (frame != null)
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return false;
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_logger.Trace ("Start closing handshake.");
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var code = CloseStatusCode.ABNORMAL;
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Close (code, code.GetMessage ());
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close (code, code.GetMessage (), true);
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return true;
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return false;
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}
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private bool processClose (WsFrame frame)
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private bool processCloseFrame (WsFrame frame)
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{
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if (!frame.IsClose)
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return false;
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_logger.Trace ("Start closing handshake.");
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close (frame.PayloadData);
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return true;
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close (frame.PayloadData, true);
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return false;
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}
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private bool processData (WsFrame frame)
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private bool processDataFrame (WsFrame frame)
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{
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if (!frame.IsData)
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return false;
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if (frame.IsCompressed && _compression == CompressionMethod.NONE)
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return false;
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var args = frame.IsCompressed
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? new MessageEventArgs (
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frame.Opcode, frame.PayloadData.ApplicationData.Decompress (_compression))
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@ -913,34 +882,22 @@ namespace WebSocketSharp
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return true;
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}
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private bool processFragmented (WsFrame frame)
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private bool processFragmentedFrame (WsFrame frame)
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{
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// Not first fragment
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if (frame.IsContinuation)
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return true;
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// Not fragmented
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if (frame.IsFinal)
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return false;
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bool incorrect = !frame.IsData ||
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(frame.IsCompressed && _compression == CompressionMethod.NONE);
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if (!incorrect)
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processFragments (frame);
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else
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processIncorrectFrame ();
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return true;
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return frame.IsContinuation // Not first fragment
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? true
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: frame.IsData
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? processFragments (frame)
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: processIncorrectFrame ();
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}
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private void processFragments (WsFrame first)
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private bool processFragments (WsFrame first)
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{
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using (var concatenated = new MemoryStream ())
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{
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concatenated.WriteBytes (first.PayloadData.ApplicationData);
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if (!concatenateFragments (concatenated))
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return;
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return false;
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byte [] data;
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if (_compression != CompressionMethod.NONE)
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@ -954,44 +911,46 @@ namespace WebSocketSharp
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}
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OnMessage.Emit (this, new MessageEventArgs (first.Opcode, data));
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return true;
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}
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}
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private void processFrame (WsFrame frame)
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private bool processFrame (WsFrame frame)
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{
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bool processed = processAbnormal (frame) ||
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processFragmented (frame) ||
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processData (frame) ||
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processPing (frame) ||
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processPong (frame) ||
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processClose (frame);
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if (!processed)
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processIncorrectFrame ();
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return frame == null
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? processAbnormalFrame ()
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: (!frame.IsData && frame.IsCompressed) ||
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(frame.IsCompressed && _compression == CompressionMethod.NONE)
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? processIncorrectFrame ()
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: frame.IsFragmented
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? processFragmentedFrame (frame)
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: frame.IsData
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? processDataFrame (frame)
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: frame.IsPing
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? processPingFrame (frame)
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: frame.IsPong
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? processPongFrame ()
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: frame.IsClose
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? processCloseFrame (frame)
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: processIncorrectFrame ();
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}
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private void processIncorrectFrame ()
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private bool processIncorrectFrame ()
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{
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_logger.Trace ("Start closing handshake.");
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Close (CloseStatusCode.INCORRECT_DATA);
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close (CloseStatusCode.INCORRECT_DATA, null, true);
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return false;
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}
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private bool processPing (WsFrame frame)
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private bool processPingFrame (WsFrame frame)
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{
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if (!frame.IsPing)
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return false;
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_logger.Trace ("Return Pong.");
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pong (frame.PayloadData);
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return true;
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}
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private bool processPong (WsFrame frame)
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private bool processPongFrame ()
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{
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if (!frame.IsPong)
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return false;
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_logger.Trace ("Receive Pong.");
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_receivePong.Set ();
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@ -1072,17 +1031,13 @@ namespace WebSocketSharp
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{
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lock (_forFrame)
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{
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var ready = _stream == null
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? false
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: _readyState == WebSocketState.OPEN
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? true
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: _readyState == WebSocketState.CLOSING
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? frame.IsClose
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: false;
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var ready = _stream != null &&
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(_readyState == WebSocketState.OPEN ||
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(_readyState == WebSocketState.CLOSING && frame.IsClose));
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if (!ready)
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{
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var msg = "The WebSocket connection isn't established or has been closed.";
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var msg = "A WebSocket connection isn't established or has been closed.";
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_logger.Error (msg);
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error (msg);
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@ -1100,7 +1055,7 @@ namespace WebSocketSharp
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try {
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if (_readyState != WebSocketState.OPEN)
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{
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var msg = "The WebSocket connection isn't established or has been closed.";
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var msg = "A WebSocket connection isn't established or has been closed.";
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_logger.Error (msg);
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error (msg);
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@ -1123,7 +1078,7 @@ namespace WebSocketSharp
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}
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}
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catch (Exception ex) {
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_logger.Fatal (ex.Message);
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_logger.Fatal (ex.ToString ());
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error ("An exception has occured.");
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}
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finally {
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@ -1152,7 +1107,7 @@ namespace WebSocketSharp
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}
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catch (Exception ex)
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{
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_logger.Fatal (ex.Message);
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_logger.Fatal (ex.ToString ());
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error ("An exception has occured.");
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}
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};
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@ -1238,19 +1193,20 @@ namespace WebSocketSharp
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completed = frame =>
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{
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try {
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processFrame (frame);
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if (_readyState == WebSocketState.OPEN)
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if (processFrame (frame))
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_stream.ReadFrameAsync (completed);
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else
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_exitReceiving.Set ();
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}
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catch (WebSocketException ex) {
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_logger.Fatal (ex.Message);
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Close (ex.Code, ex.Message);
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_logger.Fatal (ex.ToString ());
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error ("An exception has occured.");
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close (ex.Code, ex.Message, true);
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}
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catch (Exception ex) {
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_logger.Fatal (ex.Message);
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Close (CloseStatusCode.ABNORMAL, "An exception has occured.");
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_logger.Fatal (ex.ToString ());
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error ("An exception has occured.");
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close (CloseStatusCode.ABNORMAL, null, true);
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}
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};
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@ -1310,7 +1266,7 @@ namespace WebSocketSharp
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// As server
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internal void Close (byte [] data)
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{
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close (new PayloadData (data));
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close (new PayloadData (data), false);
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}
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// As server
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@ -1339,15 +1295,15 @@ namespace WebSocketSharp
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/// </summary>
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public void Close ()
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{
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close (new PayloadData ());
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close (new PayloadData (), false);
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}
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/// <summary>
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/// Closes the WebSocket connection with the specified <paramref name="code"/> and
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/// releases all associated resources.
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/// Closes the WebSocket connection with the specified <see cref="ushort"/>,
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/// and releases all associated resources.
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/// </summary>
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/// <remarks>
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/// This Close method emits a <see cref="OnError"/> event if <paramref name="code"/> is not
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/// This method emits a <see cref="OnError"/> event if <paramref name="code"/> is not
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/// in the allowable range of the WebSocket close status code.
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/// </remarks>
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/// <param name="code">
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@ -1364,28 +1320,29 @@ namespace WebSocketSharp
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return;
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}
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close (new PayloadData (code.ToByteArray (ByteOrder.BIG)));
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close (new PayloadData (code.ToByteArray (ByteOrder.BIG)), false);
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}
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/// <summary>
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/// Closes the WebSocket connection with the specified <paramref name="code"/> and
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/// releases all associated resources.
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/// Closes the WebSocket connection with the specified <see cref="CloseStatusCode"/>,
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/// and releases all associated resources.
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/// </summary>
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/// <param name="code">
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/// One of the <see cref="CloseStatusCode"/> values that indicates the status code for closure.
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/// One of the <see cref="CloseStatusCode"/> values that indicate the status codes for closure.
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/// </param>
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public void Close (CloseStatusCode code)
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{
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close (new PayloadData (((ushort) code).ToByteArray (ByteOrder.BIG)));
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close (new PayloadData (((ushort) code).ToByteArray (ByteOrder.BIG)), false);
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}
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/// <summary>
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/// Closes the WebSocket connection with the specified <paramref name="code"/> and
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/// <paramref name="reason"/>, and releases all associated resources.
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/// Closes the WebSocket connection with the specified <see cref="ushort"/> and <see cref="string"/>,
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/// and releases all associated resources.
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/// </summary>
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/// <remarks>
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/// This Close method emits a <see cref="OnError"/> event if <paramref name="code"/> is not
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/// in the allowable range of the WebSocket close status code.
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/// This method emits a <see cref="OnError"/> event if <paramref name="code"/> is not
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/// in the allowable range of the WebSocket close status code
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/// or the length of <paramref name="reason"/> is greater than 123 bytes.
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/// </remarks>
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/// <param name="code">
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/// A <see cref="ushort"/> that indicates the status code for closure.
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@ -1395,31 +1352,48 @@ namespace WebSocketSharp
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/// </param>
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public void Close (ushort code, string reason)
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{
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var msg = code.CheckIfValidCloseStatusCode ();
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byte [] data = null;
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var msg = code.CheckIfValidCloseStatusCode () ??
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(data = code.Append (reason)).CheckIfValidCloseData ();
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if (msg != null)
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{
|
||||
_logger.Error (String.Format ("{0}\ncode: {1}", msg, code));
|
||||
_logger.Error (String.Format ("{0}\ncode: {1}\nreason: {2}", msg, code, reason));
|
||||
error (msg);
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
close (code, reason);
|
||||
close (new PayloadData (data), false);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Closes the WebSocket connection with the specified <paramref name="code"/> and
|
||||
/// <paramref name="reason"/>, and releases all associated resources.
|
||||
/// Closes the WebSocket connection with the specified <see cref="CloseStatusCode"/> and
|
||||
/// <see cref="string"/>, and releases all associated resources.
|
||||
/// </summary>
|
||||
/// <remarks>
|
||||
/// This method emits a <see cref="OnError"/> event if the length of <paramref name="reason"/>
|
||||
/// is greater than 123 bytes.
|
||||
/// </remarks>
|
||||
/// <param name="code">
|
||||
/// One of the <see cref="CloseStatusCode"/> values that indicates the status code for closure.
|
||||
/// One of the <see cref="CloseStatusCode"/> values that indicate the status codes for closure.
|
||||
/// </param>
|
||||
/// <param name="reason">
|
||||
/// A <see cref="string"/> that contains the reason for closure.
|
||||
/// </param>
|
||||
public void Close (CloseStatusCode code, string reason)
|
||||
{
|
||||
close ((ushort) code, reason);
|
||||
var data = ((ushort) code).Append (reason);
|
||||
var msg = data.CheckIfValidCloseData ();
|
||||
if (msg != null)
|
||||
{
|
||||
_logger.Error (String.Format ("{0}\nreason: {1}", msg, reason));
|
||||
error (msg);
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
close (new PayloadData (data), false);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
@ -1429,7 +1403,7 @@ namespace WebSocketSharp
|
||||
{
|
||||
if (IsOpened)
|
||||
{
|
||||
var msg = "The WebSocket connection has already been established.";
|
||||
var msg = "A WebSocket connection has already been established.";
|
||||
_logger.Error (msg);
|
||||
error (msg);
|
||||
|
||||
@ -1441,10 +1415,9 @@ namespace WebSocketSharp
|
||||
open ();
|
||||
}
|
||||
catch (Exception ex) {
|
||||
_logger.Fatal (ex.Message);
|
||||
var msg = "An exception has occured.";
|
||||
error (msg);
|
||||
Close (CloseStatusCode.ABNORMAL, msg);
|
||||
_logger.Fatal (ex.ToString ());
|
||||
error ("An exception has occured.");
|
||||
Close (CloseStatusCode.ABNORMAL);
|
||||
}
|
||||
}
|
||||
|
||||
@ -1644,7 +1617,7 @@ namespace WebSocketSharp
|
||||
public void SetCookie (Cookie cookie)
|
||||
{
|
||||
var msg = IsOpened
|
||||
? "The WebSocket connection has already been established."
|
||||
? "A WebSocket connection has already been established."
|
||||
: cookie == null
|
||||
? "'cookie' must not be null."
|
||||
: null;
|
||||
@ -1681,7 +1654,7 @@ namespace WebSocketSharp
|
||||
string msg = null;
|
||||
if (IsOpened)
|
||||
{
|
||||
msg = "The WebSocket connection has already been established.";
|
||||
msg = "A WebSocket connection has already been established.";
|
||||
}
|
||||
else if (userName == null)
|
||||
{
|
||||
|
||||
@ -28,32 +28,33 @@
|
||||
|
||||
using System;
|
||||
|
||||
namespace WebSocketSharp {
|
||||
|
||||
namespace WebSocketSharp
|
||||
{
|
||||
/// <summary>
|
||||
/// Represents the exception that occurred when attempting to perform an operation on the WebSocket connection.
|
||||
/// Represents the exception that occurred when attempting to perform an operation on
|
||||
/// the WebSocket connection.
|
||||
/// </summary>
|
||||
public class WebSocketException : Exception
|
||||
{
|
||||
#region Internal Constructors
|
||||
|
||||
internal WebSocketException()
|
||||
: this(CloseStatusCode.ABNORMAL)
|
||||
internal WebSocketException ()
|
||||
: this (CloseStatusCode.ABNORMAL)
|
||||
{
|
||||
}
|
||||
|
||||
internal WebSocketException(CloseStatusCode code)
|
||||
: this(code, code.GetMessage())
|
||||
internal WebSocketException (CloseStatusCode code)
|
||||
: this (code, code.GetMessage ())
|
||||
{
|
||||
}
|
||||
|
||||
internal WebSocketException(string message)
|
||||
: this(CloseStatusCode.NO_STATUS_CODE, message)
|
||||
internal WebSocketException (string message)
|
||||
: this (CloseStatusCode.NO_STATUS_CODE, message)
|
||||
{
|
||||
}
|
||||
|
||||
internal WebSocketException(CloseStatusCode code, string message)
|
||||
: base(message)
|
||||
internal WebSocketException (CloseStatusCode code, string message)
|
||||
: base (message)
|
||||
{
|
||||
Code = code;
|
||||
}
|
||||
@ -63,10 +64,11 @@ namespace WebSocketSharp {
|
||||
#region Public Properties
|
||||
|
||||
/// <summary>
|
||||
/// Gets the <see cref="CloseStatusCode"/> associated with a <see cref="WebSocketException"/>.
|
||||
/// Gets the <see cref="CloseStatusCode"/> associated with the <see cref="WebSocketException"/>.
|
||||
/// </summary>
|
||||
/// <value>
|
||||
/// One of the <see cref="CloseStatusCode"/> values that indicates the cause of the exception.
|
||||
/// One of the <see cref="CloseStatusCode"/> values that indicate the causes of
|
||||
/// the <see cref="WebSocketException"/>.
|
||||
/// </value>
|
||||
public CloseStatusCode Code {
|
||||
get; private set;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user