bool plRingBuffer::Put(const char * data, int len)
{
bool ans = false;
if (len > BufferAvailable())
Compress();
if (len <= BufferAvailable())
{
memcpy(GetBufferOpen(), data, len);
fEndPos += len;
ans = true;
}
return ans;
}
int plBufferedSocketReader::ReadFrom(plTcpSocket & sck) // this is where things get ugly.
{
int ans = kSuccessNoData;
int readSize = BufferAvailable();
if(readSize < 1)
{
Compress();
readSize = BufferAvailable();
}
if(readSize > 0)
{
char * dst = GetBufferOpen();
int nBytesRead = sck.RecvData(dst, readSize);
if(nBytesRead < 0)
{
int err = plNet::GetError();
if(err != kBlockingError)
{
ans = kFailedReadError;
}
}
else if(nBytesRead > 0)
{
fEndPos += nBytesRead;
ans = kSuccessWithData;
}
else
{
ans = kFailedSocketClosed;
}
}
else
{
ans = kFailedNoBufferSpace;
}
return ans;
}
int plBufferedSocketWriter::WriteBlock(const char * data, int len, plTcpSocket & sck)
{
int ans = kSuccessNoDataSent;
if(len > BufferAvailable())
ans = Flush(sck);
if(ans >= 0)
ans = WriteBlock(data,len);
if(ans >= 0 && fFlushPoint >= 0 && fFlushPoint < AmountBuffered())
ans = Flush(sck);
return ans;
}
