1 #ifndef mu2e_artdaq_core_Overlays_mu2eFragmentWriter_hh
2 #define mu2e_artdaq_core_Overlays_mu2eFragmentWriter_hh
17 #include "artdaq-core/Data/Fragment.hh"
18 #include "mu2e-artdaq-core/Overlays/mu2eFragment.hh"
25 class mu2eFragmentWriter;
36 Header::data_t *dataBegin();
37 Header::data_t *dataAt(
size_t index);
38 Header::data_t *dataEnd();
39 Header::data_t *dataAtBytes(
size_t offset);
46 assert(artdaq_Fragment_.dataSize() >= words_to_frag_words_(Header::size_words));
47 return reinterpret_cast<Header *
>(&*artdaq_Fragment_.dataBegin());
50 void set_hdr_fragment_type(Header::data_t type) { header_()->fragment_type = type; }
52 void addSpace(
size_t bytes);
53 void endSubEvt(
size_t bytes);
57 artdaq::Fragment &artdaq_Fragment_;
58 static size_t words_to_frag_words_(
size_t nWords);
65 mu2e::mu2eFragmentWriter::mu2eFragmentWriter(artdaq::Fragment &f)
73 TLOG_ARB(17,
"mu2eFragmentWriter") <<
"mu2eFragmentWriter Constructor";
75 assert(
sizeof(Metadata::data_t) ==
sizeof(Header::data_t));
77 if (artdaq_Fragment_.size() !=
78 artdaq::detail::RawFragmentHeader::num_words() + words_to_frag_words_(Metadata::size_words)) {
79 std::cerr <<
"artdaq_Fragment size: " << artdaq_Fragment_.size() << std::endl;
80 std::cerr <<
"Expected size: "
81 << artdaq::detail::RawFragmentHeader::num_words() + words_to_frag_words_(Metadata::size_words)
85 "mu2eFragmentWriter: Raw artdaq::Fragment object size suggests it does not consist of its own header + the "
86 "mu2eFragment::Metadata object");
90 artdaq_Fragment_.resize(words_to_frag_words_(Header::size_words));
91 header_()->block_count = 0;
92 memset((
void *)&(header_()->index[0]), 0,
sizeof(
size_t) * mu2e::BLOCK_COUNT_MAX);
95 inline mu2e::mu2eFragmentWriter::Header::data_t *mu2e::mu2eFragmentWriter::dataBegin()
97 assert(artdaq_Fragment_.dataSize() >= words_to_frag_words_(Header::size_words));
98 return reinterpret_cast<Header::data_t *
>(header_() + 1);
101 inline mu2e::mu2eFragmentWriter::Header::data_t *mu2e::mu2eFragmentWriter::dataAt(
size_t index)
103 if (index == 0)
return dataBegin();
104 auto block = header_()->index[index - 1] /
sizeof(Header::data_t);
105 return reinterpret_cast<Header::data_t *
>(dataBegin() + block);
108 inline mu2e::mu2eFragmentWriter::Header::data_t *mu2e::mu2eFragmentWriter::dataEnd()
110 return dataAt(hdr_block_count());
113 inline mu2e::mu2eFragmentWriter::Header::data_t *mu2e::mu2eFragmentWriter::dataAtBytes(
size_t offset)
115 return dataBegin() + (offset /
sizeof(Header::data_t));
118 inline size_t mu2e::mu2eFragmentWriter::words_to_frag_words_(
size_t nWords)
120 size_t mod = nWords % words_per_frag_word_();
121 return mod ? nWords / words_per_frag_word_() + 1 : nWords / words_per_frag_word_();
124 void mu2e::mu2eFragmentWriter::addSpace(
size_t bytes)
126 TLOG_ARB(10,
"mu2eFragmentWriter") <<
"addSpace: START bytes=" << bytes;
127 auto currSize =
sizeof(artdaq::Fragment::value_type) * artdaq_Fragment_.size();
128 TLOG_ARB(10,
"mu2eFragmentWriter") <<
"addSpace: Resizing fragment: additional bytes requested: " << bytes
129 <<
", size of fragment: " << currSize;
130 artdaq_Fragment_.resizeBytes(bytes + currSize);
133 void mu2e::mu2eFragmentWriter::endSubEvt(
size_t bytes)
135 TLOG_ARB(11,
"mu2eFragmentWriter") <<
"endSubEvt START bytes=" << bytes;
136 header_()->index[hdr_block_count()] = blockOffset(hdr_block_count()) + bytes;
137 header_()->block_count++;
138 TLOG_ARB(11,
"mu2eFragmentWriter") <<
"endSubEvt END";