public int Recv(byte[] data, int index, int length)
{
// 上次剩下的部分
if (mRecvBuffer.ReadableBytes > 0)
{
var recvBytes = Math.Min(mRecvBuffer.ReadableBytes, length);
Buffer.BlockCopy(mRecvBuffer.RawBuffer, mRecvBuffer.ReaderIndex, data, index, recvBytes);
mRecvBuffer.ReaderIndex += recvBytes;
// 读完重置读写指针
if (mRecvBuffer.ReaderIndex == mRecvBuffer.WriterIndex)
{
mRecvBuffer.Clear();
}
return(recvBytes);
}
if (mSocket == null)
{
return(-1);
}
if (!mSocket.Poll(0, SelectMode.SelectRead))
{
return(0);
}
var rn = 0;
try
{
rn = mSocket.Receive(mRecvBuffer.RawBuffer, mRecvBuffer.WriterIndex, mRecvBuffer.WritableBytes, SocketFlags.None);
}
catch (Exception ex)
{
Console.WriteLine(ex);
rn = -1;
}
if (rn <= 0)
{
return(rn);
}
mRecvBuffer.WriterIndex += rn;
var inputN = mKCP.Input(mRecvBuffer.RawBuffer, mRecvBuffer.ReaderIndex, mRecvBuffer.ReadableBytes, true, AckNoDelay);
if (inputN < 0)
{
mRecvBuffer.Clear();
return(inputN);
}
mRecvBuffer.Clear();
// 读完所有完整的消息
for (; ;)
{
var size = mKCP.PeekSize();
if (size <= 0)
{
break;
}
mRecvBuffer.EnsureWritableBytes(size);
var n = mKCP.Recv(mRecvBuffer.RawBuffer, mRecvBuffer.WriterIndex, size);
if (n > 0)
{
mRecvBuffer.WriterIndex += n;
}
}
// 有数据待接收
if (mRecvBuffer.ReadableBytes > 0)
{
return(Recv(data, index, length));
}
return(0);
}
public int Recv(byte[] data, int index, int length)
{
// The remaining part from last time
if (mRecvBuffer.ReadableBytes > 0)
{
var recvBytes = Math.Min(mRecvBuffer.ReadableBytes, length);
Buffer.BlockCopy(mRecvBuffer.RawBuffer, mRecvBuffer.ReaderIndex, data, index, recvBytes);
mRecvBuffer.ReaderIndex += recvBytes;
// Reset the read and write pointer after reading
if (mRecvBuffer.ReaderIndex == mRecvBuffer.WriterIndex)
{
mRecvBuffer.Clear();
}
return(recvBytes);
}
if (this.listener == null)
{
return(-1);
}
if (!this.listener.Poll(0, SelectMode.SelectRead))
{
return(0);
}
var rn = 0;
try
{
rn = this.listener.Receive(mRecvBuffer.RawBuffer, mRecvBuffer.WriterIndex, mRecvBuffer.WritableBytes,
SocketFlags.None);
}
catch (Exception ex)
{
Console.WriteLine(ex);
rn = -1;
}
if (rn <= 0)
{
return(rn);
}
mRecvBuffer.WriterIndex += rn;
var inputN = mKCP.Input(mRecvBuffer.RawBuffer, mRecvBuffer.ReaderIndex, mRecvBuffer.ReadableBytes, true,
AckNoDelay);
if (inputN < 0)
{
mRecvBuffer.Clear();
return(inputN);
}
mRecvBuffer.Clear();
// Read all the complete messages
for (; ;)
{
var size = mKCP.PeekSize();
if (size <= 0)
{
break;
}
mRecvBuffer.EnsureWritableBytes(size);
var n = mKCP.Recv(mRecvBuffer.RawBuffer, mRecvBuffer.WriterIndex, size);
if (n > 0)
{
mRecvBuffer.WriterIndex += n;
}
}
// There is data to receive
if (mRecvBuffer.ReadableBytes > 0)
{
return(Recv(data, index, length));
}
return(0);
}