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;
}