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;
38 Header::data_t * dataBegin();
39 Header::data_t * dataAt(
size_t index);
40 Header::data_t * dataEnd();
41 Header::data_t * dataAtBytes(
size_t offset);
47 assert(artdaq_Fragment_.dataSize() >= words_to_frag_words_(Header::size_words) );
48 return reinterpret_cast<Header *
>(&*artdaq_Fragment_.dataBegin());
51 void set_hdr_fragment_type(Header::data_t type) {
52 header_()->fragment_type = type;
55 void addSpace(
size_t bytes);
56 void endSubEvt(
size_t bytes);
60 artdaq::Fragment & artdaq_Fragment_;
61 static size_t words_to_frag_words_(
size_t nWords);
68 mu2e::mu2eFragmentWriter::mu2eFragmentWriter(artdaq::Fragment& f ) :
76 TLOG_ARB(TLVL_DEBUG,
"mu2eFragmentWriter") <<
"mu2eFragmentWriter Constructor";
78 assert(
sizeof(Metadata::data_t) ==
sizeof(Header::data_t) );
81 if (artdaq_Fragment_.size() !=
82 artdaq::detail::RawFragmentHeader::num_words() +
83 words_to_frag_words_( Metadata::size_words ))
85 std::cerr <<
"artdaq_Fragment size: " << artdaq_Fragment_.size() << std::endl;
86 std::cerr <<
"Expected size: " << artdaq::detail::RawFragmentHeader::num_words() +
87 words_to_frag_words_( Metadata::size_words) << std::endl;
89 throw cet::exception(
"mu2eFragmentWriter: Raw artdaq::Fragment object size suggests it does not consist of its own header + the mu2eFragment::Metadata object");
93 artdaq_Fragment_.resize(words_to_frag_words_( Header::size_words ) );
94 header_()->block_count = 0;
95 memset((
void*)&(header_()->index[0]), 0,
sizeof(
size_t) * mu2e::BLOCK_COUNT_MAX);
99 inline mu2e::mu2eFragmentWriter::Header::data_t * mu2e::mu2eFragmentWriter::dataBegin() {
100 assert(artdaq_Fragment_.dataSize() >= words_to_frag_words_(Header::size_words));
101 return reinterpret_cast<Header::data_t *
>(header_() + 1);
104 inline mu2e::mu2eFragmentWriter::Header::data_t * mu2e::mu2eFragmentWriter::dataAt(
size_t index) {
105 if(index == 0)
return dataBegin();
106 auto block = header_()->index[ index - 1 ] /
sizeof(Header::data_t);
107 return reinterpret_cast<Header::data_t*
>(dataBegin() + block);
110 inline mu2e::mu2eFragmentWriter::Header::data_t * mu2e::mu2eFragmentWriter::dataEnd() {
111 return dataAt(hdr_block_count());
115 inline mu2e::mu2eFragmentWriter::Header::data_t * mu2e::mu2eFragmentWriter::dataAtBytes(
size_t offset) {
116 return dataBegin() + (offset /
sizeof(Header::data_t));
119 inline size_t mu2e::mu2eFragmentWriter::words_to_frag_words_(
size_t nWords) {
120 size_t mod = nWords % words_per_frag_word_();
122 nWords / words_per_frag_word_() + 1 :
123 nWords / words_per_frag_word_();
126 void mu2e::mu2eFragmentWriter::addSpace(
size_t bytes) {
127 TLOG_ARB(10,
"mu2eFragmentWriter") <<
"addSpace: START bytes=" << bytes;
128 auto currSize =
sizeof(artdaq::Fragment::value_type) * artdaq_Fragment_.size();
129 TLOG_ARB(10,
"mu2eFragmentWriter") <<
"addSpace: Resizing fragment: additional bytes requested: " << bytes <<
", size of fragment: " << currSize;
130 artdaq_Fragment_.resizeBytes( bytes + currSize );
133 void mu2e::mu2eFragmentWriter::endSubEvt(
size_t bytes) {
134 TLOG_ARB(11,
"mu2eFragmentWriter") <<
"endSubEvt START bytes=" << bytes;
135 header_()->index[hdr_block_count()] = blockOffset(hdr_block_count()) + bytes;
136 header_()->block_count++;
137 TLOG_ARB(11,
"mu2eFragmentWriter") <<
"endSubEvt END";