ATLAS Offline Software
AthenaHDFStreamTool.cxx
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1 /*
2  Copyright (C) 2002-2025 CERN for the benefit of the ATLAS collaboration
3 */
4 
5 /* file contains the implementation for the AthenaHDFStreamTool class.
6  * @author Peter van Gemmeren <gemmeren@anl.gov>
7  **/
8 
9 #include "AthenaHDFStreamTool.h"
10 
11 #include "GaudiKernel/FileIncident.h"
12 
13 #include "StorageSvc/DbReflex.h"
14 #include "RootUtils/APRDefaults.h"
15 
16 #include "H5Cpp.h"
17 #include "H5File.h"
18 #include "H5Group.h"
19 
20 static const char* const fmt_oid = "[OID=%08lX%08lX-%016llX]";
21 static const char* const fmt_aux = "[AUX=%08lX]";
22 
23 namespace{
24  void
25  stringBefore(std::string & s, char sc){
26  auto n = s.find(sc);
27  if (n!=std::string::npos) s.resize(n);
28  return;
29  }
30 }
31 
32 //___________________________________________________________________________
33 AthenaHDFStreamTool::AthenaHDFStreamTool(const std::string& type,
34  const std::string& name,
35  const IInterface* parent) : base_class(type, name, parent),
36  m_file(nullptr),
37  m_group(nullptr),
38  m_token(""),
39  m_read_data(nullptr),
40  m_read_size(0),
41  m_read_position(0),
42  m_event_iter(0),
43  m_isClient(false),
44  m_incidentSvc("IncidentSvc", name) {
45 }
46 
47 //___________________________________________________________________________
48 AthenaHDFStreamTool::~AthenaHDFStreamTool() {
49 }
50 
51 //___________________________________________________________________________
52 StatusCode AthenaHDFStreamTool::initialize() {
53  if (!::AthAlgTool::initialize().isSuccess()) {
54  ATH_MSG_FATAL("Cannot initialize AthAlgTool base class.");
55  return(StatusCode::FAILURE);
56  }
57  // Retrieve IncidentSvc
58  if (!m_incidentSvc.retrieve().isSuccess()) {
59  ATH_MSG_FATAL("Cannot get IncidentSvc");
60  return(StatusCode::FAILURE);
61  }
62  return(StatusCode::SUCCESS);
63 }
64 
65 //___________________________________________________________________________
66 StatusCode AthenaHDFStreamTool::finalize() {
67  ATH_MSG_INFO("in finalize()");
68  return(::AthAlgTool::finalize());
69 }
70 
71 //___________________________________________________________________________
72 StatusCode AthenaHDFStreamTool::makeServer(int/* num*/, const std::string& /*streamPortSuffix*/) {
73  ATH_MSG_ERROR("AthenaHDFStreamTool::makeServer");
74  return(StatusCode::FAILURE);
75 }
76 
77 //___________________________________________________________________________
78 bool AthenaHDFStreamTool::isServer() const {
79  return(false);
80 }
81 
82 //___________________________________________________________________________
83 StatusCode AthenaHDFStreamTool::makeClient(int num, std::string& /*streamPortSuffix*/) {
84  ATH_MSG_INFO("AthenaHDFStreamTool::makeClient: " << num);
85 
86  if (num > 0) {
87  m_file = new H5::H5File( "test.h5", H5F_ACC_TRUNC ); //FIXME, hardcoded filename
88  m_group = new H5::Group(m_file->createGroup("data"));
89  } else {
90  m_file = new H5::H5File( "test.h5", H5F_ACC_RDONLY );
91  m_group = new H5::Group(m_file->openGroup("data"));
92  }
93  m_isClient = true;
94  return(StatusCode::SUCCESS);
95 }
96 
97 //___________________________________________________________________________
98 bool AthenaHDFStreamTool::isClient() const {
99  return(m_isClient);
100 }
101 
102 //___________________________________________________________________________
103 StatusCode AthenaHDFStreamTool::putEvent(long/* eventNumber*/, const void* /* source*/, std::size_t/* nbytes*/, unsigned int/* status*/) const {
104  ATH_MSG_ERROR("AthenaHDFStreamTool::putEvent");
105  return(StatusCode::FAILURE);
106 }
107 
108 //___________________________________________________________________________
109 StatusCode AthenaHDFStreamTool::getLockedEvent(void** target, unsigned int&/* status*/) const {
110  ATH_MSG_INFO("AthenaHDFStreamTool::getLockedEvent");
111  const std::string dh_entry = "POOLContainer(DataHeader)_entry";
112  H5::DataSet dataset = m_group->openDataSet(dh_entry);
113  if (m_event_iter + 1 >= dataset.getInMemDataSize()/8) { // End of File
114  FileIncident endFileIncident(name(), "EndInputFile", "HDF:test.h5"); //FIXME, hardcoded filename
115  m_incidentSvc->fireIncident(endFileIncident);
116  ATH_MSG_INFO("AthenaHDFStreamTool::getLockedEvent: no more events = " << m_event_iter);
117  return(StatusCode::RECOVERABLE);
118  }
119 
120  const hsize_t offset[1] = {m_event_iter};
121  H5::DataSpace filespace = dataset.getSpace();
122  const hsize_t mem_size[1] = {2};
123  filespace.selectHyperslab(H5S_SELECT_SET, mem_size, offset);
124  H5::DataSpace memspace(1, mem_size);
125  long long unsigned int ds_data[2] = {0, 0};
126  dataset.read(ds_data, H5::PredType::NATIVE_ULLONG, memspace, filespace);
127  std::size_t nbytes = ds_data[1] - ds_data[0];
128  m_token = "[DB=00000000-0000-0000-0000-000000000000][CNT=POOLContainer(DataHeader)][CLID=4DDBD295-EFCE-472A-9EC8-15CD35A9EB8D][TECH=00000401]";
129  char text[64];
130  sprintf(text, fmt_oid, 0ul, nbytes, m_event_iter);
131  text[40] = 0;
132  m_token += text;
133 
134  const int length = m_token.size() + 2; //FIXME: copy token
135  *target = new char[length];
136  std::memcpy(static_cast<char*>(*target), m_token.c_str(), length - 1);
137  target[length - 1] = 0;
138  return(StatusCode::SUCCESS);
139 }
140 
141 //___________________________________________________________________________
142 StatusCode AthenaHDFStreamTool::lockEvent(long eventNumber) const {
143  ATH_MSG_VERBOSE("AthenaHDFStreamTool::lockEvent: " << eventNumber);
144  m_event_iter = eventNumber;
145  if (eventNumber == 0) {
146  FileIncident beginFileIncident(name(), "BeginInputFile", "HDF:test.h5"); //FIXME, hardcoded filename
147  m_incidentSvc->fireIncident(beginFileIncident);
148  }
149  return(StatusCode::SUCCESS);
150 }
151 
152 //___________________________________________________________________________
153 StatusCode AthenaHDFStreamTool::putObject(const void* source, std::size_t nbytes, int/* num*/) {
154  if (nbytes == 0 || m_token.empty()) {
155  return(StatusCode::SUCCESS);
156  }
157  ATH_MSG_INFO("AthenaHDFStreamTool::putObject: source = " << source << ", nbytes = " << nbytes);
158 
159  if (m_token.find("[CONT=") != std::string::npos) m_token.replace(m_token.find("[CONT="), 6, "[CNT=");
160  std::string ds_name = m_token.substr(m_token.find("[CNT=") + 5);
161  stringBefore(ds_name,']');
162  while (ds_name.find("/") != std::string::npos) { ds_name = ds_name.replace(ds_name.find("/"), 1, "_"); }
163 
164  m_token.replace(m_token.find("[TECH="), 15, "[TECH=00000401]");
165  std::string className = m_token.substr(m_token.find("[PNAME=") + 7);
166  stringBefore(className, ']');
167 
168  long long unsigned int positionCount = 0;
169  if (m_token.find("[CLID=") == std::string::npos) { // Core object
170  m_token += "[CLID=" + pool::DbReflex::guid(RootType::ByNameNoQuiet(className)).toString() + "]";
171  } else { // Aux Store extension
172  char text[64];
173  sprintf(text, fmt_aux, nbytes);
174  text[15] = 0;
175  H5::DataSet dataset = m_group->openDataSet(ds_name);
176  const hsize_t offset[1] = {dataset.getInMemDataSize()};
177  positionCount = offset[0];
178  const hsize_t ds_size[1] = {offset[0] + 15};
179  dataset.extend(ds_size);
180  H5::DataSpace filespace = dataset.getSpace();
181  const hsize_t mem_size[1] = {15};
182  filespace.selectHyperslab(H5S_SELECT_SET, mem_size, offset);
183  H5::DataSpace memspace(1, mem_size);
184  dataset.write(text, H5::PredType::NATIVE_CHAR, memspace, filespace);
185  }
186 
187 // Write Payload data
188  if (!m_group->exists(ds_name)) { //if dataset doesn't exist, create it otherwise extend it
189  const hsize_t maxdim[1] = {H5S_UNLIMITED};
190  const hsize_t ds_size[1] = {nbytes};
191  H5::DataSpace filespace(1, ds_size, maxdim);
192  H5::DSetCreatPropList ds_prop;
193  hsize_t chunkdim[1] = {nbytes};
194  if( ds_name.starts_with(APRDefaults::TTreeNames::EventData) ||
195  ds_name.starts_with(APRDefaults::TTreeNames::EventTag) ) {
196  if (nbytes < 512) {
197  chunkdim[0] = 4096;
198  } else if (nbytes < 16 * 512) {
199  chunkdim[0] = 4 * 4096;
200  } else {
201  chunkdim[0] = (hsize_t(nbytes / 4096) + 1) * 4096;
202  }
203  }
204  ds_prop.setChunk(1, chunkdim);
205  char fill_val[1] = {0};
206  ds_prop.setFillValue(H5::PredType::NATIVE_CHAR, fill_val);
207  H5::DataSet dataset = m_group->createDataSet(ds_name, H5::PredType::NATIVE_CHAR, filespace, ds_prop);
208  dataset.write(source, H5::PredType::NATIVE_CHAR);
209  } else {
210  H5::DataSet dataset = m_group->openDataSet(ds_name);
211  const hsize_t offset[1] = {dataset.getInMemDataSize()};
212  positionCount = offset[0];
213  const hsize_t ds_size[1] = {offset[0] + nbytes};
214  dataset.extend(ds_size);
215  H5::DataSpace filespace = dataset.getSpace();
216  const hsize_t mem_size[1] = {nbytes};
217  filespace.selectHyperslab(H5S_SELECT_SET, mem_size, offset);
218  H5::DataSpace memspace(1, mem_size);
219  dataset.write(source, H5::PredType::NATIVE_CHAR, memspace, filespace);
220  }
221  if (m_token.find("[OID=") == std::string::npos) { // Core object
222  char text[64];
223  sprintf(text, fmt_oid, 0ul, nbytes, positionCount);
224  text[40] = 0;
225  m_token += text;
226  } else {
227  char text[64];
228  std::size_t firstU, firstL;
229  long long unsigned int second;
230  ::sscanf(m_token.substr(m_token.find("[OID="), 40).c_str(), fmt_oid, &firstU, &firstL, &second);
231  if (firstU == 0ul) { //FIXME1
232  firstU = firstL; // Keep Core object size
233  }
234  firstL = positionCount + nbytes - second;
235  sprintf(text, fmt_oid, firstU, firstL, second); // FIXME
236  text[40] = 0;
237  m_token.replace(m_token.find("[OID="), 39, text);
238  }
239 
240  std::string entry_name = ds_name.substr(ds_name.find('(') + 1);
241  stringBefore(entry_name,')');
242 // For DataHeader, store entry point
243  if (entry_name == "DataHeader" || entry_name == "DataHeaderForm") {
244  auto dh_entry = ds_name + "_entry";
245  if (!m_group->exists(dh_entry)) {
246  const hsize_t maxdim[1] = {H5S_UNLIMITED};
247  const hsize_t ds_size[1] = {2};
248  H5::DataSpace filespace(1, ds_size, maxdim);
249  H5::DSetCreatPropList ds_prop;
250  const hsize_t chunkdim[1] = {512};
251  ds_prop.setChunk(1, chunkdim);
252  char fill_val[1] = {0};
253  ds_prop.setFillValue(H5::PredType::NATIVE_ULLONG, fill_val);
254  H5::DataSet dataset = m_group->createDataSet(dh_entry, H5::PredType::NATIVE_ULLONG, filespace, ds_prop);
255  long long unsigned int ds_data[2] = {positionCount, positionCount + nbytes};
256  dataset.write(ds_data, H5::PredType::NATIVE_ULLONG);
257  } else {
258  H5::DataSet dataset = m_group->openDataSet(dh_entry);
259  const hsize_t offset[1] = {dataset.getInMemDataSize()/8};//FIXME
260  const hsize_t ds_size[1] = {offset[0] + 1};
261  dataset.extend(ds_size);
262  H5::DataSpace filespace = dataset.getSpace();
263  const hsize_t mem_size[1] = {1};
264  filespace.selectHyperslab(H5S_SELECT_SET, mem_size, offset);
265  H5::DataSpace memspace(1, mem_size);
266  long long unsigned int ds_data[1] = {positionCount + nbytes};
267  dataset.write(ds_data, H5::PredType::NATIVE_ULLONG, memspace, filespace);
268  }
269  if (entry_name == "DataHeader") {
270  auto dh_form_entry = ds_name + "_form_entry";
271  if (!m_group->exists(dh_form_entry)) {
272  const hsize_t maxdim[1] = {H5S_UNLIMITED};
273  const hsize_t ds_size[1] = {1};
274  H5::DataSpace filespace(1, ds_size, maxdim);
275  H5::DSetCreatPropList ds_prop;
276  const hsize_t chunkdim[1] = {512};
277  ds_prop.setChunk(1, chunkdim);
278  char fill_val[1] = {0};
279  ds_prop.setFillValue(H5::PredType::NATIVE_ULLONG, fill_val);
280  H5::DataSet dataset = m_group->createDataSet(dh_form_entry, H5::PredType::NATIVE_ULLONG, filespace, ds_prop);
281  long long unsigned int ds_data[1] = {0};
282  dataset.write(ds_data, H5::PredType::NATIVE_ULLONG);
283  } else {
284  H5::DataSet dataset = m_group->openDataSet(dh_form_entry);
285  const hsize_t offset[1] = {dataset.getInMemDataSize()/8};//FIXME
286  const hsize_t ds_size[1] = {offset[0] + 1};
287  dataset.extend(ds_size);
288  H5::DataSpace filespace = dataset.getSpace();
289  const hsize_t mem_size[1] = {1};
290  filespace.selectHyperslab(H5S_SELECT_SET, mem_size, offset);
291  H5::DataSpace memspace(1, mem_size);
292  auto dh_form_entry_name = ds_name.substr(0, ds_name.find('(')) + "Form(DataHeaderForm)_entry";
293  H5::DataSet dh_form_dataset = m_group->openDataSet(dh_form_entry_name);
294  long long unsigned int ds_data[1] = {dh_form_dataset.getInMemDataSize()/8 - 1};//FIXME
295  dataset.write(ds_data, H5::PredType::NATIVE_ULLONG, memspace, filespace);
296  }
297  }
298  if (entry_name == "DataHeaderForm") {
299  auto dh_entry_name = ds_name.substr(0, ds_name.find('(') - 4) + "(DataHeader)_form_entry";
300  H5::DataSet dataset = m_group->openDataSet(dh_entry_name);
301  const hsize_t offset[1] = {dataset.getInMemDataSize()/8 - 1};//FIXME
302  H5::DataSpace filespace = dataset.getSpace();
303  const hsize_t mem_size[1] = {1};
304  filespace.selectHyperslab(H5S_SELECT_SET, mem_size, offset);
305  H5::DataSpace memspace(1, mem_size);
306  H5::DataSet dh_form_dataset = m_group->openDataSet(ds_name + "_entry");
307  long long unsigned int ds_data[1] = {dh_form_dataset.getInMemDataSize()/8 - 1};//FIXME
308  dataset.write(ds_data, H5::PredType::NATIVE_ULLONG, memspace, filespace);
309  }
310  }
311  return(StatusCode::SUCCESS);
312 }
313 
314 //___________________________________________________________________________
315 StatusCode AthenaHDFStreamTool::getObject(void** target, std::size_t& nbytes, int/* num*/) {
316  if (m_token.empty()) {
317  return(StatusCode::SUCCESS);
318  }
319  ATH_MSG_INFO("AthenaHDFStreamTool::getObject: token = " << m_token);
320 
321  std::string clid_name = m_token.substr(m_token.find("[CLID=") + 6);
322  stringBefore(clid_name,']');
323  std::string ds_name = m_token.substr(m_token.find("[CNT=") + 5);
324  stringBefore(ds_name, ']');
325  if (ds_name.empty()) {
326  return(StatusCode::SUCCESS);
327  }
328  while (ds_name.find('/') != std::string::npos) { ds_name = ds_name.replace(ds_name.find('/'), 1, "_"); }
329 
330  std::string oid_name = m_token.substr(m_token.find("[OID="));
331  auto n = oid_name.find(']') + 1;
332  oid_name.resize(n);
333  std::size_t firstU, firstL;
334  long long unsigned int second;
335  ::sscanf(oid_name.c_str(), fmt_oid, &firstU, &firstL, &second);
336  if (m_read_size > m_read_position + 15) { // aux store data already read
337  std::size_t aux_size = 0;
338  ::sscanf(m_read_data + m_read_position, fmt_aux, &aux_size);
339  m_read_position += 15;
340  *target = m_read_data + m_read_position;
341  nbytes = aux_size;
342  m_read_position += nbytes;
343  char text[64];
344  sprintf(text, fmt_oid, m_read_position, firstL, second); // FIXME
345  text[40] = 0;
346  m_token.replace(m_token.find("[OID="), 39, text);
347  return(StatusCode::SUCCESS);
348  } else if (m_read_size > 0) {
349  return(StatusCode::FAILURE);
350  }
351 
352  std::string entry_name = ds_name.substr(ds_name.find('(') + 1);
353  stringBefore(entry_name,')');
354 // For DataHeader, get stored size
355  if (entry_name == "DataHeader") {
356  if (clid_name == "7BE56CEF-C866-4BEE-9348-A5F34B5F1DAD") { // DataHeaderForm Token is copied from DataHeader, change container name
357  ds_name.replace(ds_name.find("(DataHeader)"), 12, "Form(DataHeaderForm)");
358  second = m_event_iter; //FIXME, store real DHF id somewhere...
359  } else if (clid_name == "00000000-0000-0000-0000-000000000000") { // Return DataHeader Token, for createAddress
360  if (firstL > 0) { //FIXME1
361  m_token.clear();
362  } else {
363  m_token.replace(m_token.find("[CLID="), 43, "[CLID=4DDBD295-EFCE-472A-9EC8-15CD35A9EB8D]");
364  m_token.replace(m_token.find("[TECH="), 15, "[TECH=00000401]");
365  }
366  nbytes = m_token.size();
367  *target = const_cast<char*>(m_token.c_str());//FIXME
368  return(StatusCode::SUCCESS);
369  } else {
370  m_event_iter = second;
371  }
372 
373  auto dh_entry = ds_name + "_entry";
374  H5::DataSet dataset = m_group->openDataSet(dh_entry);
375  if (second + 1 >= dataset.getInMemDataSize()/8) {
376  return(StatusCode::FAILURE);
377  }
378  const hsize_t offset[1] = {second};
379  H5::DataSpace filespace = dataset.getSpace();
380  const hsize_t mem_size[1] = {2};
381  filespace.selectHyperslab(H5S_SELECT_SET, mem_size, offset);
382  H5::DataSpace memspace(1, mem_size);
383  long long unsigned int ds_data[2] = {0, 0};
384  dataset.read(ds_data, H5::PredType::NATIVE_ULLONG, memspace, filespace);
385  firstL = ds_data[1] - ds_data[0]; //FIXME1
386  second = ds_data[0];
387  }
388 
389  if (!m_group->exists(ds_name)) {
390  return(StatusCode::FAILURE);
391  }
392  H5::DataSet dataset = m_group->openDataSet(ds_name);
393  if (second + firstL > dataset.getInMemDataSize()) {
394  return(StatusCode::FAILURE);
395  }
396  const hsize_t offset[1] = {second};
397  H5::DataSpace filespace = dataset.getSpace();
398  const hsize_t mem_size[1] = {firstL};
399  filespace.selectHyperslab(H5S_SELECT_SET, mem_size, offset);
400  H5::DataSpace memspace(1, mem_size);
401  m_read_data = new char[firstL];
402  m_read_size = firstL;
403  dataset.read(m_read_data, H5::PredType::NATIVE_CHAR, memspace, filespace);
404  *target = m_read_data;
405  if (firstU > 0) {
406  ::sscanf(m_read_data + firstL - 15, fmt_aux, &nbytes);
407  } else {
408  nbytes = firstL;
409  }
410  m_read_position = nbytes;
411  return(StatusCode::SUCCESS);
412 }
413 
414 //___________________________________________________________________________
415 StatusCode AthenaHDFStreamTool::clearObject(const char** tokenString, int&/* num*/) {
416  std::size_t firstU, firstL;
417  long long unsigned int second;
418  ::sscanf(m_token.substr(m_token.find("[OID="), 40).c_str(), fmt_oid, &firstU, &firstL, &second);
419  std::string ds_name = m_token.substr(m_token.find("[CNT=") + 5);
420  stringBefore(ds_name, ']');
421  while (ds_name.find('/') != std::string::npos) { ds_name = ds_name.replace(ds_name.find('/'), 1, "_"); }
422 
423  if (firstU > 0 || ds_name.substr(ds_name.length() - 5, 4) == "Aux.") {
424  if (firstU == 0) firstU = firstL;
425  char text[64];
426  sprintf(text, fmt_aux, firstU);
427  text[15] = 0;
428  H5::DataSet dataset = m_group->openDataSet(ds_name);
429  const hsize_t offset[1] = {dataset.getInMemDataSize()};
430  const hsize_t ds_size[1] = {offset[0] + 15};
431  dataset.extend(ds_size);
432  H5::DataSpace filespace = dataset.getSpace();
433  const hsize_t mem_size[1] = {15};
434  filespace.selectHyperslab(H5S_SELECT_SET, mem_size, offset);
435  H5::DataSpace memspace(1, mem_size);
436  dataset.write(text, H5::PredType::NATIVE_CHAR, memspace, filespace);
437  firstL += 15;
438  firstU = 1ul;
439  sprintf(text, fmt_oid, firstU, firstL, second); // FIXME
440  text[40] = 0;
441  m_token.replace(m_token.find("[OID="), 39, text);
442  }
443  // Return an empty token string for DataHeaderForm, to indicate HDF5 can't update DataHeader after it was written.
444  std::string entry_name = ds_name.substr(ds_name.find('(') + 1);
445  stringBefore(entry_name, ')');
446  if (entry_name == "DataHeaderForm") {
447  m_token.clear();
448  }
449  *tokenString = m_token.c_str();
450  return(StatusCode::SUCCESS);
451 }
452 
453 //___________________________________________________________________________
454 StatusCode AthenaHDFStreamTool::lockObject(const char* tokenString, int/* num*/) {
455  m_token = tokenString;
456  delete [] m_read_data; m_read_data = nullptr;
457  m_read_size = 0;
458  m_read_position = 0;
459  return(StatusCode::SUCCESS);
460 }
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