Esempio n. 1
0
        //
        // This method assumes that InnerStream type == typeof(NetwokrStream)
        // It will produce a set of buffers for one MultipleWrite call
        //
        private void StartWriting(SplitWritesState splitWrite, SplitWriteAsyncProtocolRequest asyncRequest)
        {
            while (!splitWrite.IsDone)
            {
                // request a write IO slot
                if (_SslState.CheckEnqueueWrite(asyncRequest))
                {
                    // operation is async and has been queued, return.
                    return;
                }

                byte[] lastHandshakePayload = null;
                if (_SslState.LastPayload != null)
                {
                    //
                    // !!! LastPayload Only used in TlsStream for HTTP and it needs re-work for a general case !!!
                    //
                    lastHandshakePayload = _SslState.LastPayload;
                    _SslState.LastPayloadConsumed();
                }

                BufferOffsetSize[] buffers = splitWrite.GetNextBuffers();
                buffers = EncryptBuffers(buffers, lastHandshakePayload);

                if (asyncRequest != null)
                {
                    // prepare for the next request
                    IAsyncResult ar = ((NetworkStream)(_SslState.InnerStream)).BeginMultipleWrite(buffers, _MulitpleWriteCallback, asyncRequest);
                    if (!ar.CompletedSynchronously)
                    {
                        return;
                    }

                    ((NetworkStream)(_SslState.InnerStream)).EndMultipleWrite(ar);
                }
                else
                {
                    ((NetworkStream)(_SslState.InnerStream)).MultipleWrite(buffers);
                }

                // release write IO slot
                _SslState.FinishWrite();
            }

            if (asyncRequest != null)
            {
                asyncRequest.CompleteUser();
            }
        }
Esempio n. 2
0
 private void StartWriting(SplitWritesState splitWrite, SplitWriteAsyncProtocolRequest asyncRequest)
 {
     while (!splitWrite.IsDone)
     {
         if (this._SslState.CheckEnqueueWrite(asyncRequest))
         {
             return;
         }
         byte[] lastHandshakePayload = null;
         if (this._SslState.LastPayload != null)
         {
             lastHandshakePayload = this._SslState.LastPayload;
             this._SslState.LastPayloadConsumed();
         }
         BufferOffsetSize[] nextBuffers = splitWrite.GetNextBuffers();
         nextBuffers = this.EncryptBuffers(nextBuffers, lastHandshakePayload);
         if (asyncRequest != null)
         {
             IAsyncResult asyncResult = ((NetworkStream)this._SslState.InnerStream).BeginMultipleWrite(nextBuffers, _MulitpleWriteCallback, asyncRequest);
             if (!asyncResult.CompletedSynchronously)
             {
                 return;
             }
             ((NetworkStream)this._SslState.InnerStream).EndMultipleWrite(asyncResult);
         }
         else
         {
             ((NetworkStream)this._SslState.InnerStream).MultipleWrite(nextBuffers);
         }
         this._SslState.FinishWrite();
     }
     if (asyncRequest != null)
     {
         asyncRequest.CompleteUser();
     }
 }
Esempio n. 3
0
        //
        // This method assumes that InnerStream type == typeof(NetwokrStream)
        // It will produce a set of buffers for one MultipleWrite call
        //
        private void StartWriting(SplitWritesState splitWrite, SplitWriteAsyncProtocolRequest asyncRequest)
        {
            while (!splitWrite.IsDone)
            {
                // request a write IO slot
                if (_SslState.CheckEnqueueWrite(asyncRequest))
                {
                    // operation is async and has been queued, return.
                    return;
                }

                byte[] lastHandshakePayload = null;
                if (_SslState.LastPayload != null)
                {
                    //
                    // !!! LastPayload Only used in TlsStream for HTTP and it needs re-work for a general case !!!
                    //
                    lastHandshakePayload = _SslState.LastPayload;
                    _SslState.LastPayloadConsumed();
                }

                BufferOffsetSize[] buffers = splitWrite.GetNextBuffers();
                buffers = EncryptBuffers(buffers, lastHandshakePayload);

                if (asyncRequest != null)
                {
                    // prepare for the next request
                    IAsyncResult ar = ((NetworkStream)(_SslState.InnerStream)).BeginMultipleWrite(buffers, _MulitpleWriteCallback, asyncRequest);
                    if (!ar.CompletedSynchronously)
                        return;

                    ((NetworkStream)(_SslState.InnerStream)).EndMultipleWrite(ar);
                }
                else
                {
                    ((NetworkStream)(_SslState.InnerStream)).MultipleWrite(buffers);
                }

                // release write IO slot
                _SslState.FinishWrite();

            }

            if (asyncRequest != null)
                asyncRequest.CompleteUser();
        }
 private void StartWriting(SplitWritesState splitWrite, SplitWriteAsyncProtocolRequest asyncRequest)
 {
     while (!splitWrite.IsDone)
     {
         if (this._SslState.CheckEnqueueWrite(asyncRequest))
         {
             return;
         }
         byte[] lastHandshakePayload = null;
         if (this._SslState.LastPayload != null)
         {
             lastHandshakePayload = this._SslState.LastPayload;
             this._SslState.LastPayloadConsumed();
         }
         BufferOffsetSize[] nextBuffers = splitWrite.GetNextBuffers();
         nextBuffers = this.EncryptBuffers(nextBuffers, lastHandshakePayload);
         if (asyncRequest != null)
         {
             IAsyncResult asyncResult = ((NetworkStream) this._SslState.InnerStream).BeginMultipleWrite(nextBuffers, _MulitpleWriteCallback, asyncRequest);
             if (!asyncResult.CompletedSynchronously)
             {
                 return;
             }
             ((NetworkStream) this._SslState.InnerStream).EndMultipleWrite(asyncResult);
         }
         else
         {
             ((NetworkStream) this._SslState.InnerStream).MultipleWrite(nextBuffers);
         }
         this._SslState.FinishWrite();
     }
     if (asyncRequest != null)
     {
         asyncRequest.CompleteUser();
     }
 }