// Outgoing
public RstStreamFrame(int id, ResetStatusCode statusCode)
: base(new byte[InitialFrameSize], id)
{
FrameType = ControlFrameType.RstStream;
FrameLength = InitialFrameSize - Constants.FramePreambleSize; // 8
StatusCode = statusCode;
}
public void Close(ResetStatusCode code)
{
if (Closed || Idle)
{
return;
}
OnFrameSent = null;
Http2Logger.LogDebug("Total outgoing data frames volume " + SentDataAmount);
Http2Logger.LogDebug("Total frames sent: {0}", FramesSent);
Http2Logger.LogDebug("Total frames received: {0}", FramesReceived);
if (code == ResetStatusCode.Cancel || code == ResetStatusCode.InternalError)
{
WriteRst(code);
}
_flowCrtlManager.StreamClosedHandler(this);
Closed = true;
if (OnClose != null)
{
OnClose(this, new StreamClosedEventArgs(_id));
}
OnClose = null;
Http2Logger.LogDebug("Stream closed " + _id);
}
// Outgoing
public RstStreamFrame(int id, ResetStatusCode statusCode)
: base(new byte[InitialFrameSize])
{
StreamId = id; //32 bit
FrameType = FrameType.RstStream; //8bit
FrameLength = InitialFrameSize - Constants.FramePreambleSize; // 16bit
StatusCode = statusCode; //32bit
}
// Outgoing
public GoAwayFrame(int lastStreamId, ResetStatusCode statusCode)
: base(new byte[InitialFrameSize])
{
FrameType = FrameType.GoAway;
FrameLength = InitialFrameSize - Constants.FramePreambleSize; // 16 bytes
LastGoodStreamId = lastStreamId;
StatusCode = statusCode;
}
// Outgoing
public GoAwayFrame(int lastStreamId, ResetStatusCode statusCode)
: base(new byte[InitialFrameSize])
{
FrameType = FrameType.GoAway;
FrameLength = InitialFrameSize - Constants.FramePreambleSize; // 16 bytes
LastGoodStreamId = lastStreamId;
StatusCode = statusCode;
}
// Outgoing
public RstStreamFrame(int id, ResetStatusCode statusCode)
: base(new byte[InitialFrameSize])
{
StreamId = id;//32 bit
FrameType = FrameType.RstStream;//8bit
FrameLength = InitialFrameSize - Constants.FramePreambleSize; // 16bit
StatusCode = statusCode;//32bit
}
public void WriteRst(ResetStatusCode code)
{
var frame = new RstStreamFrame(_id, code);
_writeQueue.WriteFrame(frame);
ResetSent = true;
if (OnFrameSent != null)
{
OnFrameSent(this, new FrameSentArgs(frame));
}
}
/// <summary>
/// Writes the go away frame.
/// </summary>
/// <param name="code">The code.</param>
public void WriteGoAway(ResetStatusCode code)
{
//if there were no streams opened
if (_lastId == -1)
{
_lastId = 0; //then set lastId to 0 as spec tells. (See GoAway chapter)
}
var frame = new GoAwayFrame(_lastId, code);
_writeQueue.WriteFrame(frame);
}
/// <summary>
/// Writes the GOAWAY frame.
/// </summary>
/// <param name="code">The Reset Status code.</param>
public void WriteGoAway(ResetStatusCode code)
{
//if there were no streams opened
if (_lastId == -1)
{
_lastId = 0; //then set lastId to 0 as spec tells. (See GoAway chapter)
}
var frame = new GoAwayFrame(_lastId, code);
Http2Logger.LogDebug("Sending GOAWAY frame: stream id={0}, code={1}, last good id={2}",
frame.StreamId, frame.StatusCode, frame.LastGoodStreamId);
_writeQueue.WriteFrame(frame);
}
public void WriteRst(ResetStatusCode code)
{
if (Closed)
{
return;
}
var frame = new RstStreamFrame(_id, code);
_writeQueue.WriteFrame(frame);
if (OnFrameSent != null)
{
OnFrameSent(this, new FrameSentEventArgs(frame));
}
}
private void Close(ResetStatusCode status)
{
if (_disposed)
{
return;
}
Http2Logger.LogDebug("Session closing");
_disposed = true;
// Dispose of all streams
foreach (Http2Stream stream in ActiveStreams.Values)
{
//Cancel all opened streams
stream.WriteRst(ResetStatusCode.Cancel);
stream.Dispose();
}
OnSettingsSent = null;
OnFrameReceived = null;
OnFrameSent = null;
if (!_goAwayReceived)
{
WriteGoAway(status);
if (_writeQueue != null)
{
_writeQueue.Flush();
_writeQueue.Dispose();
}
}
_comprProc.Dispose();
_sessionSocket.Close();
if (OnSessionDisposed != null)
{
OnSessionDisposed(this, null);
}
OnSessionDisposed = null;
Http2Logger.LogDebug("Session closed");
}
public ProtocolError(ResetStatusCode code, string message): base(message)
{
Code = code;
}
private void Close(ResetStatusCode status)
{
if (_disposed)
{
return;
}
Http2Logger.LogDebug("Session closing");
_disposed = true;
// Dispose of all streams
foreach (var stream in StreamDictionary.Values)
{
//Cancel all opened streams
stream.Close(ResetStatusCode.None);
}
if (!_goAwayReceived)
{
WriteGoAway(status);
//TODO fix delay. wait for goAway send and then dispose WriteQueue
//Wait for GoAway send
using (var goAwayDelay = new ManualResetEvent(false))
{
goAwayDelay.WaitOne(500);
}
}
OnSettingsSent = null;
OnFrameReceived = null;
if (_frameReader != null)
{
_frameReader.Dispose();
_frameReader = null;
}
if (_writeQueue != null)
{
_writeQueue.Flush();
_writeQueue.Dispose();
}
if (_comprProc != null)
{
_comprProc.Dispose();
_comprProc = null;
}
if (_ioStream != null)
{
_ioStream.Close();
_ioStream = null;
}
if (_pingReceived != null)
{
_pingReceived.Dispose();
_pingReceived = null;
}
if (_settingsAckReceived != null)
{
_settingsAckReceived.Dispose();
_settingsAckReceived = null;
}
if (OnSessionDisposed != null)
{
OnSessionDisposed(this, null);
}
OnSessionDisposed = null;
Http2Logger.LogDebug("Session closed");
}
public void Close(ResetStatusCode code)
{
if (Closed || Idle)
{
return;
}
OnFrameSent = null;
Http2Logger.LogDebug("Total outgoing data frames volume " + SentDataAmount);
Http2Logger.LogDebug("Total frames sent: {0}", FramesSent);
Http2Logger.LogDebug("Total frames received: {0}", FramesReceived);
if (code == ResetStatusCode.Cancel || code == ResetStatusCode.InternalError)
WriteRst(code);
_flowCrtlManager.StreamClosedHandler(this);
Closed = true;
if (OnClose != null)
OnClose(this, new StreamClosedEventArgs(_id));
OnClose = null;
Http2Logger.LogDebug("Stream closed " + _id);
}
public void WriteRst(ResetStatusCode code)
{
if (Closed)
return;
var frame = new RstStreamFrame(_id, code);
_writeQueue.WriteFrame(frame);
if (OnFrameSent != null)
{
OnFrameSent(this, new FrameSentEventArgs(frame));
}
}
private void Close(ResetStatusCode status)
{
if (_disposed)
return;
Http2Logger.LogDebug("Session closing");
_disposed = true;
// Dispose of all streams
foreach (var stream in ActiveStreams.Values)
{
//Cancel all opened streams
stream.Dispose(ResetStatusCode.Cancel);
}
if (!_goAwayReceived)
WriteGoAway(status);
OnSettingsSent = null;
OnFrameReceived = null;
//Missing GoAway means connection was forcibly closed by the remote ep. This means that we can
//send nothing into this connection. No need trying to send GoAway.
//Hence we may not check for !_goAwayReceived
if (_writeQueue != null)
{
_writeQueue.Flush();
_writeQueue.Dispose();
}
if (_frameReader != null)
{
_frameReader.Dispose();
_frameReader = null;
}
if (_comprProc != null)
{
_comprProc.Dispose();
_comprProc = null;
}
if (_ioStream != null)
{
_ioStream.Close();
_ioStream = null;
}
if (_pingReceived != null)
{
_pingReceived.Dispose();
_pingReceived = null;
}
if (_settingsAckReceived != null)
{
_settingsAckReceived.Dispose();
_settingsAckReceived = null;
}
if (OnSessionDisposed != null)
{
OnSessionDisposed(this, null);
}
OnSessionDisposed = null;
Http2Logger.LogDebug("Session closed");
}
/// <summary>
/// Writes the GOAWAY frame.
/// </summary>
/// <param name="code">The Reset Status code.</param>
public void WriteGoAway(ResetStatusCode code)
{
//if there were no streams opened
if (_lastId == -1)
{
_lastId = 0; //then set lastId to 0 as spec tells. (See GoAway chapter)
}
var frame = new GoAwayFrame(_lastId, code);
Http2Logger.LogDebug("Sending GOAWAY frame: stream id={0}, code={1}, last good id={2}",
frame.StreamId, frame.StatusCode, frame.LastGoodStreamId);
_writeQueue.WriteFrame(frame);
}
private void Close(ResetStatusCode status)
{
if (_disposed)
return;
Http2Logger.LogDebug("Session closing");
_disposed = true;
// Dispose of all streams
foreach (var stream in StreamDictionary.Values)
{
//Cancel all opened streams
stream.Close(ResetStatusCode.None);
}
if (!_goAwayReceived)
{
WriteGoAway(status);
//TODO fix delay. wait for goAway send and then dispose WriteQueue
//Wait for GoAway send
using (var goAwayDelay = new ManualResetEvent(false))
{
goAwayDelay.WaitOne(500);
}
}
OnSettingsSent = null;
OnFrameReceived = null;
if (_frameReader != null)
{
_frameReader.Dispose();
_frameReader = null;
}
if (_writeQueue != null)
{
_writeQueue.Flush();
_writeQueue.Dispose();
}
if (_comprProc != null)
{
_comprProc.Dispose();
_comprProc = null;
}
if (_ioStream != null)
{
_ioStream.Close();
_ioStream = null;
}
if (_pingReceived != null)
{
_pingReceived.Dispose();
_pingReceived = null;
}
if (_settingsAckReceived != null)
{
_settingsAckReceived.Dispose();
_settingsAckReceived = null;
}
if (OnSessionDisposed != null)
{
OnSessionDisposed(this, null);
}
OnSessionDisposed = null;
Http2Logger.LogDebug("Session closed");
}
public ProtocolError(ResetStatusCode code, string message) : base(message)
{
Code = code;
}
/// <summary>
/// Writes the go away frame.
/// </summary>
/// <param name="code">The code.</param>
public void WriteGoAway(ResetStatusCode code)
{
//if there were no streams opened
if (_lastId == -1)
{
_lastId = 0; //then set lastId to 0 as spec tells. (See GoAway chapter)
}
var frame = new GoAwayFrame(_lastId, code);
_writeQueue.WriteFrame(frame);
}
public void WriteRst(ResetStatusCode code)
{
var frame = new RstStreamFrame(_id, code);
_writeQueue.WriteFrame(frame);
ResetSent = true;
if (OnFrameSent != null)
{
OnFrameSent(this, new FrameSentArgs(frame));
}
}
private void Close(ResetStatusCode status)
{
if (_disposed)
return;
Http2Logger.LogDebug("Session closing");
_disposed = true;
// Dispose of all streams
foreach (Http2Stream stream in ActiveStreams.Values)
{
//Cancel all opened streams
stream.WriteRst(ResetStatusCode.Cancel);
stream.Dispose();
}
OnSettingsSent = null;
OnFrameReceived = null;
OnFrameSent = null;
if (!_goAwayReceived)
{
WriteGoAway(status);
if (_writeQueue != null)
{
_writeQueue.Flush();
_writeQueue.Dispose();
}
}
_comprProc.Dispose();
_sessionSocket.Close();
if (OnSessionDisposed != null)
{
OnSessionDisposed(this, null);
}
OnSessionDisposed = null;
Http2Logger.LogDebug("Session closed");
}
public virtual void Reset(ResetStatusCode statusCode)
{
ResetReceived = true;
if (_outputStream != null)
{
_outputStream.Dispose();
}
if (_incomingStream != null && _incomingStream != Stream.Null && !FinReceived)
{
InputStream inputStream = (InputStream)_incomingStream;
inputStream.Abort(statusCode.ToString());
}
// Not disposing here because many of the resources may still be in use.
}
