public override bool Decode(Common.NetworkBuffer msgBuffer, ref int msgCount)
{
if (msgBuffer.ReadableBytes < length)
{
return(false);
}
else
{
msgCount = length;
return(true);
}
}
public override bool Decode(Common.NetworkBuffer msgBuffer, ref int msgCount)
{
if (msgBuffer.ReadableBytes < lengthFieldEndOffset)
{
return(false);
}
int actualLengthFieldOffset = msgBuffer.ReadOffset + lengthFieldOffset;
int frameLength;
switch (lengthFieldLength)
{
case 1:
frameLength = msgBuffer.GetByte(actualLengthFieldOffset);
break;
case 2:
frameLength = msgBuffer.GetUInt16(actualLengthFieldOffset);
break;
case 4:
frameLength = msgBuffer.GetInt32(actualLengthFieldOffset);
break;
default:
throw new CorruptedFrameException("should not reach here");
}
if (frameLength < 0)
{
msgBuffer.SkipBytes(lengthFieldEndOffset);
throw new CorruptedFrameException(
"negative pre-adjustment length field: " + frameLength);
}
frameLength += lengthAdjustment + lengthFieldEndOffset;
if (frameLength < lengthFieldEndOffset)
{
msgBuffer.SkipBytes(lengthFieldEndOffset);
throw new CorruptedFrameException(
"Adjusted frame length (" + frameLength + ") is less " +
"than lengthFieldEndOffset: " + lengthFieldEndOffset);
}
if (frameLength > maxFrameLength)
{
// Enter the discard mode and discard everything received so far.
//discardingTooLongFrame = true;
tooLongFrameLength = frameLength;
bytesToDiscard = frameLength - msgBuffer.ReadableBytes;
msgBuffer.SkipBytes(msgBuffer.ReadableBytes);
throw new CorruptedFrameException(String.Format("too long frame, frame length:{0}", tooLongFrameLength));
}
// never overflows because it's less than maxFrameLength
int frameLengthInt = (int)frameLength;
if (msgBuffer.ReadableBytes < frameLengthInt)
{
return(false);
}
if (initialBytesToStrip > frameLengthInt)
{
msgBuffer.SkipBytes(frameLengthInt);
throw new CorruptedFrameException(
"Adjusted frame length (" + frameLength + ") is less " +
"than initialBytesToStrip: " + initialBytesToStrip);
}
msgBuffer.SkipBytes(initialBytesToStrip);
msgCount = frameLengthInt - initialBytesToStrip;
return(true);
}
public override void EncodeBody(Common.NetworkBuffer outBuffer)
{
Messages.MySerializer.GetInstance().Serialize <T>(outBuffer, protocol);
}
public override Message DecodeBody(Common.NetworkBuffer inBuffer, int offset, int count)
{
protocol = (T)Messages.MySerializer.GetInstance().DeserializeByteBuffer(inBuffer, offset, count, typeof(T));
return(this);
}
