File: ServerReadBuffer.C

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#include "ServerReadBuffer.H"
#include "ServerChannel.H"
#include "util.H"


int
ServerReadBuffer::locateMessage(const unsigned char *start,
				const unsigned char *end,
				unsigned int &headerLength,
				unsigned int &dataLength,
				unsigned int &trailerLength)
{
  unsigned int size = end - start;
  if (size < 8)
    return 0;
  if (firstMessage_)
    dataLength = 8 + (GetUINT(start + 6, bigEndian_) << 2);
  else
  {
    if (*start == 1)
      dataLength = 32 + (GetULONG(start + 4, bigEndian_) << 2);
    else
      dataLength = 32;
  }

  if (size < dataLength)
    return 0;

  firstMessage_ = 0;
  headerLength = 0;
  trailerLength = 0;
  return 1;
}