bool DataWriteRaw::Open ( const RUN_HEAD &  h, const FAD::RunDescription &  d  )

virtual

Implements DataProcessorImp.

Definition at line 21 of file DataWriteRaw.cc.

References Error(), RUN_HEAD::FADhead, i, and str.

{
    const string name = FormFileName("bin");
    if (access(name.c_str(), F_OK)==0)
    {
        Error("File '"+name+"' already exists.");
        return false;
    }

    fFileName = name;

    errno = 0;
    fOut.open(name.c_str(), ios_base::out);
    if (!fOut)
    {
        ostringstream str;
        str << "ofstream::open() failed for '" << name << "': " << strerror(errno) << " [errno=" << errno << "]";
        Error(str);

        return false;
    }

    fCounter = 0;

    static uint32_t FACT = 0xFAC77e1e;

    fOut.write(reinterpret_cast<char*>(&FACT), 4);

    WriteBlockHeader(kIdentifier, 1, 0, 8);
    WriteValue(uint32_t(0));
    WriteValue(GetRunId());

    WriteBlockHeader(kRunHeader, 1, 0, sizeof(RUN_HEAD)-sizeof(PEVNT_HEADER*));
    fOut.write(reinterpret_cast<const char*>(&h), sizeof(RUN_HEAD)-sizeof(PEVNT_HEADER*));

    for (int i=0; i<40; i++)
    {
        WriteBlockHeader(kBoardHeader, 1, i, sizeof(PEVNT_HEADER));
        fOut.write(reinterpret_cast<const char*>(h.FADhead+i), sizeof(PEVNT_HEADER));
    }

    // FIXME: Split this
    const vector<char> block(sizeof(uint32_t)/*+sizeof(RUN_TAIL)*/);
    WriteBlockHeader(kRunSummary, 1, 0, block.size());

    fPosTail = fOut.tellp();
    fOut.write(block.data(), block.size());

    if (!fOut)
    {
        ostringstream str;
        str << "ofstream::write() failed for '" << name << "': " << strerror(errno) << " [errno=" << errno << "]";
        Error(str);

        return false;
    }

    return true;
}

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