private StartFrameBody ( int readBytes, byte buffer, int offset, int count, AsyncProtocolRequest asyncRequest ) : int | ||
readBytes | int | |
buffer | byte | |
offset | int | |
count | int | |
asyncRequest | AsyncProtocolRequest | |
리턴 | int |
private int StartFrameBody(int readBytes, byte[] buffer, int offset, int count, AsyncProtocolRequest asyncRequest)
{
if (readBytes == 0)
{
//EOF : Reset the buffer as we did not read anything into it.
SkipBytes(InternalBufferCount);
asyncRequest?.CompleteUser(0);
return 0;
}
// Now readBytes is a payload size.
readBytes = _sslState.GetRemainingFrameSize(InternalBuffer, readBytes);
if (readBytes < 0)
{
throw new IOException(SR.net_frame_read_size);
}
EnsureInternalBufferSize(SecureChannel.ReadHeaderSize, readBytes);
if (asyncRequest != null)
{
asyncRequest.SetNextRequest(InternalBuffer, SecureChannel.ReadHeaderSize, readBytes, s_readFrameCallback);
_reader.AsyncReadPacket(asyncRequest);
if (!asyncRequest.MustCompleteSynchronously)
{
return 0;
}
readBytes = asyncRequest.Result;
}
else
{
readBytes = _reader.ReadPacket(InternalBuffer, SecureChannel.ReadHeaderSize, readBytes);
}
return ProcessFrameBody(readBytes, buffer, offset, count, asyncRequest);
}
private static void ReadHeaderCallback(AsyncProtocolRequest asyncRequest) { try { SslStreamInternal sslStream = (SslStreamInternal)asyncRequest.AsyncObject; BufferAsyncResult bufferResult = (BufferAsyncResult)asyncRequest.UserAsyncResult; if (-1 == sslStream.StartFrameBody(asyncRequest.Result, bufferResult.Buffer, bufferResult.Offset, bufferResult.Count, asyncRequest)) { // in case we decrypted 0 bytes start another reading. sslStream.StartReading(bufferResult.Buffer, bufferResult.Offset, bufferResult.Count, asyncRequest); } } catch (Exception e) { if (asyncRequest.IsUserCompleted) { // This will throw on a worker thread. throw; } asyncRequest.CompleteUserWithError(e); } }