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2be16a33 | 1 | /************************************************************************ |
2 | ** | |
3 | ** | |
4 | ** This file is property of and copyright by the Technical Computer | |
5 | ** Science Group, Kirchhoff Institute for Physics, Ruprecht-Karls- | |
6 | ** University, Heidelberg, Germany, 2001 | |
7 | ** This file has been written by Timm Morten Steinbeck, | |
8 | ** timm@kip.uni-heidelberg.de | |
9 | ** | |
10 | ** | |
11 | ** See the file license.txt for details regarding usage, modification, | |
12 | ** distribution and warranty. | |
13 | ** Important: This file is provided without any warranty, including | |
14 | ** fitness for any particular purpose. | |
15 | ** | |
16 | ** | |
17 | ** Newer versions of this file's package will be made available from | |
18 | ** http://web.kip.uni-heidelberg.de/Hardwinf/L3/ | |
19 | ** or the corresponding page of the Heidelberg Alice Level 3 group. | |
20 | ** | |
21 | *************************************************************************/ | |
22 | ||
23 | /* | |
24 | *************************************************************************** | |
25 | ** | |
26 | ** $Author$ - Initial Version by Timm Morten Steinbeck | |
27 | ** | |
28 | ** $Id$ | |
29 | ** | |
30 | *************************************************************************** | |
31 | */ | |
32 | ||
9e91e956 | 33 | /** @file AliHLTHOMERReader.cxx |
2be16a33 | 34 | @author Timm Steinbeck |
35 | @date Sep 14 2007 | |
36 | @brief HLT Online Monitoring Environment including ROOT - Reader | |
37 | @note migrated from PubSub HLT-stable-20070905.141318 (rev 2375) */ | |
38 | ||
04a939f7 | 39 | // see header file for class documentation |
2be16a33 | 40 | // or |
41 | // refer to README to build package | |
42 | // or | |
43 | // visit http://web.ift.uib.no/~kjeks/doc/alice-hlt | |
44 | ||
45 | #include "AliHLTHOMERReader.h" | |
6a8e0bb4 | 46 | //#include <stdio.h> |
5a1c4a5e | 47 | #ifdef __SUNPRO_CC |
48 | #include <string.h> | |
49 | #else | |
6a8e0bb4 | 50 | #include <cstring> |
5a1c4a5e | 51 | #endif |
6a8e0bb4 | 52 | #include <cerrno> |
2be16a33 | 53 | #include <netdb.h> |
54 | extern int h_errno; | |
6a8e0bb4 | 55 | //#include <sys/types.h> |
56 | //#include <sys/socket.h> | |
57 | //#include <netinet/in.h> | |
58 | //#include <netinet/tcp.h> | |
2be16a33 | 59 | #include <unistd.h> |
72ae28cd | 60 | #ifndef __CYGWIN__ |
2be16a33 | 61 | #include <rpc/types.h> |
72ae28cd | 62 | #endif |
2be16a33 | 63 | #include <fcntl.h> |
64 | #include <sys/stat.h> | |
65 | #include <netinet/in.h> | |
66 | #include <arpa/inet.h> | |
67 | #ifdef USE_ROOT | |
68 | #include <Rtypes.h> | |
69 | #endif | |
70 | ||
71 | ||
72 | #define MOD_BIN "MOD BIN\n" | |
73 | #define MOD_ASC "MOD ASC\n" | |
74 | #define GET_ONE "GET ONE\n" | |
75 | #define GET_ALL "GET ALL\n" | |
76 | ||
27011446 | 77 | // MAXHOSTNAMELEN not defined on macosx |
78 | // 686-apple-darwin9-gcc-4.0.1 | |
79 | #ifndef MAXHOSTNAMELEN | |
80 | #define MAXHOSTNAMELEN 64 | |
81 | #endif | |
82 | ||
2be16a33 | 83 | #ifdef USE_ROOT |
fe1edbae | 84 | ClassImp(AliHLTMonitoringReader); |
85 | ClassImp(AliHLTHOMERReader); | |
2be16a33 | 86 | #endif |
87 | ||
88 | ||
89 | ||
90 | ||
91 | ||
92 | #ifdef USE_ROOT | |
fe1edbae | 93 | AliHLTHOMERReader::AliHLTHOMERReader() |
746d2a94 | 94 | : |
95 | fCurrentEventType(~(homer_uint64)0), | |
96 | fCurrentEventID(~(homer_uint64)0), | |
97 | fBlockCnt(0), | |
98 | fMaxBlockCnt(0), | |
99 | fBlocks(NULL), | |
100 | fDataSourceCnt(0), | |
101 | fTCPDataSourceCnt(0), | |
102 | fShmDataSourceCnt(0), | |
103 | fDataSourceMaxCnt(0), | |
04a939f7 | 104 | fDataSources(NULL), |
105 | fConnectionStatus(0), | |
106 | fErrorConnection(~(unsigned int)0), | |
107 | fEventRequestAdvanceTime(0) | |
2be16a33 | 108 | { |
1d47dbac | 109 | // Reader implementation of the HOMER interface. |
110 | // The HLT Monitoring Environment including ROOT is | |
111 | // a native interface to ship out data from the HLT chain. | |
112 | // See pdf document shiped with the package | |
113 | // for class documentation and tutorial. | |
2be16a33 | 114 | Init(); |
115 | } | |
116 | #endif | |
117 | ||
118 | ||
fe1edbae | 119 | AliHLTHOMERReader::AliHLTHOMERReader( const char* hostname, unsigned short port ) |
746d2a94 | 120 | : |
fe1edbae | 121 | AliHLTMonitoringReader(), |
cfa641b1 | 122 | TObject(), |
746d2a94 | 123 | fCurrentEventType(~(homer_uint64)0), |
124 | fCurrentEventID(~(homer_uint64)0), | |
125 | fBlockCnt(0), | |
126 | fMaxBlockCnt(0), | |
127 | fBlocks(NULL), | |
128 | fDataSourceCnt(0), | |
129 | fTCPDataSourceCnt(0), | |
130 | fShmDataSourceCnt(0), | |
131 | fDataSourceMaxCnt(0), | |
04a939f7 | 132 | fDataSources(NULL), |
133 | fConnectionStatus(0), | |
134 | fErrorConnection(~(unsigned int)0), | |
135 | fEventRequestAdvanceTime(0) | |
2be16a33 | 136 | { |
04a939f7 | 137 | // see header file for class documentation |
138 | // For reading from a TCP port | |
2be16a33 | 139 | Init(); |
140 | if ( !AllocDataSources(1) ) | |
141 | { | |
142 | fErrorConnection = 0; | |
143 | fConnectionStatus = ENOMEM; | |
144 | return; | |
145 | } | |
146 | fConnectionStatus = AddDataSource( hostname, port, fDataSources[0] ); | |
147 | if ( fConnectionStatus ) | |
148 | fErrorConnection = 0; | |
149 | else | |
150 | { | |
151 | fDataSourceCnt++; | |
152 | fTCPDataSourceCnt++; | |
153 | fDataSources[0].fNdx = 0; | |
154 | } | |
155 | } | |
156 | ||
fe1edbae | 157 | AliHLTHOMERReader::AliHLTHOMERReader( unsigned int tcpCnt, const char** hostnames, unsigned short* ports ) |
746d2a94 | 158 | : |
fe1edbae | 159 | AliHLTMonitoringReader(), |
cfa641b1 | 160 | TObject(), |
746d2a94 | 161 | fCurrentEventType(~(homer_uint64)0), |
162 | fCurrentEventID(~(homer_uint64)0), | |
163 | fBlockCnt(0), | |
164 | fMaxBlockCnt(0), | |
165 | fBlocks(NULL), | |
166 | fDataSourceCnt(0), | |
167 | fTCPDataSourceCnt(0), | |
168 | fShmDataSourceCnt(0), | |
169 | fDataSourceMaxCnt(0), | |
04a939f7 | 170 | fDataSources(NULL), |
171 | fConnectionStatus(0), | |
172 | fErrorConnection(~(unsigned int)0), | |
173 | fEventRequestAdvanceTime(0) | |
2be16a33 | 174 | { |
04a939f7 | 175 | // see header file for class documentation |
176 | // For reading from multiple TCP ports | |
2be16a33 | 177 | Init(); |
178 | if ( !AllocDataSources(tcpCnt) ) | |
179 | { | |
180 | fErrorConnection = 0; | |
181 | fConnectionStatus = ENOMEM; | |
182 | return; | |
183 | } | |
184 | for ( unsigned int n = 0; n < tcpCnt; n++, fDataSourceCnt++, fTCPDataSourceCnt++ ) | |
185 | { | |
186 | fConnectionStatus = AddDataSource( hostnames[n], ports[n], fDataSources[n] ); | |
187 | if ( fConnectionStatus ) | |
188 | { | |
189 | fErrorConnection = n; | |
190 | return; | |
191 | } | |
192 | fDataSources[n].fNdx = n; | |
193 | } | |
194 | } | |
195 | ||
fe1edbae | 196 | AliHLTHOMERReader::AliHLTHOMERReader( key_t shmKey, int shmSize ) |
746d2a94 | 197 | : |
fe1edbae | 198 | AliHLTMonitoringReader(), |
cfa641b1 | 199 | TObject(), |
746d2a94 | 200 | fCurrentEventType(~(homer_uint64)0), |
201 | fCurrentEventID(~(homer_uint64)0), | |
202 | fBlockCnt(0), | |
203 | fMaxBlockCnt(0), | |
204 | fBlocks(NULL), | |
205 | fDataSourceCnt(0), | |
206 | fTCPDataSourceCnt(0), | |
207 | fShmDataSourceCnt(0), | |
208 | fDataSourceMaxCnt(0), | |
04a939f7 | 209 | fDataSources(NULL), |
210 | fConnectionStatus(0), | |
211 | fErrorConnection(~(unsigned int)0), | |
212 | fEventRequestAdvanceTime(0) | |
2be16a33 | 213 | { |
04a939f7 | 214 | // see header file for class documentation |
215 | // For reading from a System V shared memory segment | |
2be16a33 | 216 | Init(); |
217 | if ( !AllocDataSources(1) ) | |
218 | { | |
219 | fErrorConnection = 0; | |
220 | fConnectionStatus = ENOMEM; | |
221 | return; | |
222 | } | |
223 | fConnectionStatus = AddDataSource( shmKey, shmSize, fDataSources[0] ); | |
224 | if ( fConnectionStatus ) | |
225 | fErrorConnection = 0; | |
226 | else | |
227 | { | |
228 | fDataSourceCnt++; | |
229 | fShmDataSourceCnt++; | |
230 | fDataSources[0].fNdx = 0; | |
231 | } | |
232 | } | |
233 | ||
fe1edbae | 234 | AliHLTHOMERReader::AliHLTHOMERReader( unsigned int shmCnt, key_t* shmKeys, int* shmSizes ) |
746d2a94 | 235 | : |
fe1edbae | 236 | AliHLTMonitoringReader(), |
cfa641b1 | 237 | TObject(), |
746d2a94 | 238 | fCurrentEventType(~(homer_uint64)0), |
239 | fCurrentEventID(~(homer_uint64)0), | |
240 | fBlockCnt(0), | |
241 | fMaxBlockCnt(0), | |
242 | fBlocks(NULL), | |
243 | fDataSourceCnt(0), | |
244 | fTCPDataSourceCnt(0), | |
245 | fShmDataSourceCnt(0), | |
246 | fDataSourceMaxCnt(0), | |
04a939f7 | 247 | fDataSources(NULL), |
248 | fConnectionStatus(0), | |
249 | fErrorConnection(~(unsigned int)0), | |
250 | fEventRequestAdvanceTime(0) | |
2be16a33 | 251 | { |
04a939f7 | 252 | // see header file for class documentation |
253 | // For reading from multiple System V shared memory segments | |
2be16a33 | 254 | Init(); |
255 | if ( !AllocDataSources(shmCnt) ) | |
256 | { | |
257 | fErrorConnection = 0; | |
258 | fConnectionStatus = ENOMEM; | |
259 | return; | |
260 | } | |
261 | for ( unsigned int n = 0; n < shmCnt; n++, fDataSourceCnt++, fShmDataSourceCnt++ ) | |
262 | { | |
263 | fConnectionStatus = AddDataSource( shmKeys[n], shmSizes[n], fDataSources[n] ); | |
264 | if ( fConnectionStatus ) | |
265 | { | |
266 | fErrorConnection = n; | |
267 | return; | |
268 | } | |
269 | fDataSources[n].fNdx = n; | |
270 | } | |
271 | } | |
272 | ||
fe1edbae | 273 | AliHLTHOMERReader::AliHLTHOMERReader( unsigned int tcpCnt, const char** hostnames, unsigned short* ports, |
2be16a33 | 274 | unsigned int shmCnt, key_t* shmKeys, int* shmSizes ) |
746d2a94 | 275 | : |
fe1edbae | 276 | AliHLTMonitoringReader(), |
cfa641b1 | 277 | TObject(), |
746d2a94 | 278 | fCurrentEventType(~(homer_uint64)0), |
279 | fCurrentEventID(~(homer_uint64)0), | |
280 | fBlockCnt(0), | |
281 | fMaxBlockCnt(0), | |
282 | fBlocks(NULL), | |
283 | fDataSourceCnt(0), | |
284 | fTCPDataSourceCnt(0), | |
285 | fShmDataSourceCnt(0), | |
286 | fDataSourceMaxCnt(0), | |
04a939f7 | 287 | fDataSources(NULL), |
288 | fConnectionStatus(0), | |
289 | fErrorConnection(~(unsigned int)0), | |
290 | fEventRequestAdvanceTime(0) | |
2be16a33 | 291 | { |
04a939f7 | 292 | // see header file for class documentation |
293 | // For reading from multiple TCP ports and multiple System V shared memory segments | |
2be16a33 | 294 | Init(); |
295 | if ( !AllocDataSources(tcpCnt+shmCnt) ) | |
296 | { | |
297 | fErrorConnection = 0; | |
298 | fConnectionStatus = ENOMEM; | |
299 | return; | |
300 | } | |
301 | for ( unsigned int n = 0; n < tcpCnt; n++, fDataSourceCnt++, fTCPDataSourceCnt++ ) | |
302 | { | |
303 | fConnectionStatus = AddDataSource( hostnames[n], ports[n], fDataSources[n] ); | |
304 | if ( fConnectionStatus ) | |
305 | { | |
306 | fErrorConnection = n; | |
307 | return; | |
308 | } | |
309 | fDataSources[n].fNdx = n; | |
310 | } | |
311 | for ( unsigned int n = 0; n < shmCnt; n++, fDataSourceCnt++, fShmDataSourceCnt++ ) | |
312 | { | |
313 | fConnectionStatus = AddDataSource( shmKeys[n], shmSizes[n], fDataSources[tcpCnt+n] ); | |
314 | if ( fConnectionStatus ) | |
315 | { | |
316 | fErrorConnection = tcpCnt+n; | |
317 | return; | |
318 | } | |
319 | fDataSources[n].fNdx = n; | |
320 | } | |
321 | } | |
8c617325 | 322 | |
29e6fd20 | 323 | AliHLTHOMERReader::AliHLTHOMERReader( const void* pBuffer, int size ) |
8c617325 | 324 | : |
325 | AliHLTMonitoringReader(), | |
cfa641b1 | 326 | TObject(), |
8c617325 | 327 | fCurrentEventType(~(homer_uint64)0), |
328 | fCurrentEventID(~(homer_uint64)0), | |
329 | fBlockCnt(0), | |
330 | fMaxBlockCnt(0), | |
331 | fBlocks(NULL), | |
332 | fDataSourceCnt(0), | |
333 | fTCPDataSourceCnt(0), | |
334 | fShmDataSourceCnt(0), | |
335 | fDataSourceMaxCnt(0), | |
336 | fDataSources(NULL), | |
337 | fConnectionStatus(0), | |
338 | fErrorConnection(~(unsigned int)0), | |
339 | fEventRequestAdvanceTime(0) | |
340 | { | |
341 | // see header file for class documentation | |
342 | // For reading from a System V shared memory segment | |
343 | Init(); | |
344 | if ( !AllocDataSources(1) ) | |
345 | { | |
346 | fErrorConnection = 0; | |
347 | fConnectionStatus = ENOMEM; | |
348 | return; | |
349 | } | |
29e6fd20 | 350 | fConnectionStatus = AddDataSource(const_cast<void*>(pBuffer), size, fDataSources[0] ); |
8c617325 | 351 | if ( fConnectionStatus ) |
352 | fErrorConnection = 0; | |
353 | else | |
354 | { | |
355 | fDataSourceCnt++; | |
aa5178e8 | 356 | fShmDataSourceCnt++; |
8c617325 | 357 | fDataSources[0].fNdx = 0; |
358 | } | |
359 | } | |
360 | ||
fe1edbae | 361 | AliHLTHOMERReader::~AliHLTHOMERReader() |
2be16a33 | 362 | { |
04a939f7 | 363 | // see header file for class documentation |
2be16a33 | 364 | ReleaseCurrentEvent(); |
365 | FreeDataSources(); | |
242e6536 | 366 | |
367 | if (fDataSources) | |
368 | delete [] fDataSources; | |
2be16a33 | 369 | } |
370 | ||
fe1edbae | 371 | int AliHLTHOMERReader::ReadNextEvent() |
2be16a33 | 372 | { |
04a939f7 | 373 | // see header file for class documentation |
374 | // Read in the next available event | |
2be16a33 | 375 | return ReadNextEvent( false, 0 ); |
376 | } | |
377 | ||
fe1edbae | 378 | int AliHLTHOMERReader::ReadNextEvent( unsigned long timeout ) |
2be16a33 | 379 | { |
04a939f7 | 380 | // see header file for class documentation |
381 | // Read in the next available event | |
2be16a33 | 382 | return ReadNextEvent( true, timeout ); |
383 | } | |
384 | ||
fe1edbae | 385 | unsigned long AliHLTHOMERReader::GetBlockDataLength( unsigned long ndx ) const |
2be16a33 | 386 | { |
04a939f7 | 387 | // see header file for class documentation |
388 | // Return the size (in bytes) of the current event's data | |
389 | // block with the given block index (starting at 0). | |
2be16a33 | 390 | if ( ndx >= fBlockCnt ) |
391 | return 0; | |
392 | return fBlocks[ndx].fLength; | |
393 | } | |
394 | ||
fe1edbae | 395 | const void* AliHLTHOMERReader::GetBlockData( unsigned long ndx ) const |
2be16a33 | 396 | { |
04a939f7 | 397 | // see header file for class documentation |
398 | // Return a pointer to the start of the current event's data | |
399 | // block with the given block index (starting at 0). | |
2be16a33 | 400 | if ( ndx >= fBlockCnt ) |
401 | return NULL; | |
402 | return fBlocks[ndx].fData; | |
403 | } | |
404 | ||
fe1edbae | 405 | const char* AliHLTHOMERReader::GetBlockSendNodeID( unsigned long ndx ) const |
2be16a33 | 406 | { |
04a939f7 | 407 | // see header file for class documentation |
408 | // Return IP address or hostname of node which sent the | |
409 | // current event's data block with the given block index | |
410 | // (starting at 0). | |
411 | // For HOMER this is the ID of the node on which the subscriber | |
412 | // that provided this data runs/ran. | |
2be16a33 | 413 | if ( ndx >= fBlockCnt ) |
414 | return NULL; | |
415 | #ifdef DEBUG | |
416 | if ( fBlocks[ndx].fSource >= fDataSourceCnt ) | |
417 | { | |
937cec81 | 418 | fprintf( stderr, "%s:%d: Internal Error: fBlocks[ndx].fSource (%u) >= fDataSourceCnt (%u)\n", |
2be16a33 | 419 | __FILE__, __LINE__, fBlocks[ndx].fSource, fDataSourceCnt ); |
420 | return NULL; | |
421 | } | |
422 | #endif | |
423 | return fDataSources[ fBlocks[ndx].fSource ].fHostname; | |
424 | //return fBlocks[ndx].fOriginatingNodeID; | |
425 | } | |
426 | ||
fe1edbae | 427 | homer_uint8 AliHLTHOMERReader::GetBlockByteOrder( unsigned long ndx ) const |
2be16a33 | 428 | { |
04a939f7 | 429 | // see header file for class documentation |
430 | // Return byte order of the data stored in the | |
431 | // current event's data block with the given block index (starting at 0). | |
432 | // 0 is unknown alignment, | |
433 | // 1 ist little endian, | |
434 | // 2 is big endian. */ | |
2be16a33 | 435 | if ( ndx >= fBlockCnt ) |
436 | return 0; | |
437 | //return ((AliHLTRIBlockDescriptorV1*)fBlocks[ndx].fMetaData)->fType.fID; | |
438 | return *(((homer_uint8*)fBlocks[ndx].fMetaData)+kByteOrderAttribute_8b_Offset); | |
439 | } | |
04a939f7 | 440 | |
fe1edbae | 441 | homer_uint8 AliHLTHOMERReader::GetBlockTypeAlignment( unsigned long ndx, homer_uint8 dataType ) const |
2be16a33 | 442 | { |
04a939f7 | 443 | // see header file for class documentation |
444 | // Return the alignment (in bytes) of the given datatype | |
445 | // in the data stored in the current event's data block | |
446 | // with the given block index (starting at 0). | |
447 | // Possible values for the data type are | |
448 | // 0: homer_uint64 | |
449 | // 1: homer_uint32 | |
450 | // 2: uin16 | |
451 | // 3: homer_uint8 | |
452 | // 4: double | |
453 | // 5: float | |
2be16a33 | 454 | if ( ndx >= fBlockCnt ) |
455 | return 0; | |
456 | if ( dataType > (kFloatAlignment_8b_Offset-kAlignment_8b_StartOffset) ) | |
457 | return 0; | |
458 | //return ((AliHLTRIBlockDescriptorV1*)fBlocks[ndx].fMetaData)->fType.fID; | |
459 | return *(((homer_uint8*)fBlocks[ndx].fMetaData)+kAlignment_8b_StartOffset+dataType); | |
460 | } | |
461 | ||
fe1edbae | 462 | homer_uint64 AliHLTHOMERReader::GetBlockStatusFlags( unsigned long ndx ) const |
2be16a33 | 463 | { |
04a939f7 | 464 | // see header file for class documentation |
2be16a33 | 465 | if ( ndx >= fBlockCnt ) |
466 | return 0; | |
467 | return *(((homer_uint64*)fBlocks[ndx].fMetaData)+kStatusFlags_64b_Offset); | |
468 | } | |
469 | ||
470 | /* HOMER specific */ | |
471 | /* Return the type of the data in the current event's data | |
472 | block with the given block index (starting at 0). */ | |
fe1edbae | 473 | homer_uint64 AliHLTHOMERReader::GetBlockDataType( unsigned long ndx ) const |
2be16a33 | 474 | { |
04a939f7 | 475 | // see header file for class documentation |
2be16a33 | 476 | if ( ndx >= fBlockCnt ) |
477 | return ~(homer_uint64)0; | |
478 | //return ((AliHLTRIBlockDescriptorV1*)fBlocks[ndx].fMetaData)->fType.fID; | |
479 | return *(((homer_uint64*)fBlocks[ndx].fMetaData)+kType_64b_Offset); | |
480 | } | |
481 | ||
482 | /* Return the origin of the data in the current event's data | |
483 | block with the given block index (starting at 0). */ | |
fe1edbae | 484 | homer_uint32 AliHLTHOMERReader::GetBlockDataOrigin( unsigned long ndx ) const |
2be16a33 | 485 | { |
04a939f7 | 486 | // see header file for class documentation |
2be16a33 | 487 | if ( ndx >= fBlockCnt ) |
488 | return ~(homer_uint32)0; | |
489 | //return (homer_uint32)( ((AliHLTRIBlockDescriptorV1*)fBlocks[ndx].fMetaData)->fSubType1.fID ); | |
490 | return (homer_uint32)*(((homer_uint64*)fBlocks[ndx].fMetaData)+kSubType1_64b_Offset); | |
491 | } | |
492 | ||
493 | /* Return a specification of the data in the current event's data | |
494 | block with the given block index (starting at 0). */ | |
fe1edbae | 495 | homer_uint32 AliHLTHOMERReader::GetBlockDataSpec( unsigned long ndx ) const |
2be16a33 | 496 | { |
04a939f7 | 497 | // see header file for class documentation |
2be16a33 | 498 | if ( ndx >= fBlockCnt ) |
499 | return ~(homer_uint32)0; | |
500 | //return (homer_uint32)( ((AliHLTRIBlockDescriptorV1*)fBlocks[ndx].fMetaData)->fSubType2.fID ); | |
501 | return (homer_uint32)*(((homer_uint64*)fBlocks[ndx].fMetaData)+kSubType2_64b_Offset); | |
502 | } | |
503 | ||
504 | /* Find the next data block in the current event with the given | |
505 | data type, origin, and specification. Returns the block's | |
506 | index. */ | |
fe1edbae | 507 | unsigned long AliHLTHOMERReader::FindBlockNdx( homer_uint64 type, homer_uint32 origin, |
2be16a33 | 508 | homer_uint32 spec, unsigned long startNdx ) const |
509 | { | |
04a939f7 | 510 | // see header file for class documentation |
2be16a33 | 511 | for ( unsigned long n=startNdx; n < fBlockCnt; n++ ) |
512 | { | |
513 | if ( ( type == 0xFFFFFFFFFFFFFFFFULL || *(((homer_uint64*)fBlocks[n].fMetaData)+kType_64b_Offset)==type ) && | |
514 | ( origin == 0xFFFFFFFF || (homer_uint32)( *(((homer_uint64*)fBlocks[n].fMetaData)+kSubType1_64b_Offset) )==origin ) && | |
515 | ( spec == 0xFFFFFFFF || (homer_uint32)( *(((homer_uint64*)fBlocks[n].fMetaData)+kSubType2_64b_Offset) )==spec ) ) | |
516 | return n; | |
517 | } | |
518 | return ~(unsigned long)0; | |
519 | } | |
520 | ||
521 | /* Find the next data block in the current event with the given | |
522 | data type, origin, and specification. Returns the block's | |
523 | index. */ | |
fe1edbae | 524 | unsigned long AliHLTHOMERReader::FindBlockNdx( char type[8], char origin[4], |
2be16a33 | 525 | homer_uint32 spec, unsigned long startNdx ) const |
526 | { | |
04a939f7 | 527 | // see header file for class documentation |
2be16a33 | 528 | for ( unsigned long n=startNdx; n < fBlockCnt; n++ ) |
529 | { | |
530 | bool found1=true, found2=true; | |
531 | for ( unsigned i = 0; i < 8; i++ ) | |
532 | { | |
533 | if ( type[i] != (char)0xFF ) | |
534 | { | |
535 | found1=false; | |
536 | break; | |
537 | } | |
538 | } | |
539 | if ( !found1 ) | |
540 | { | |
541 | found1 = true; | |
542 | for ( unsigned i = 0; i < 8; i++ ) | |
543 | { | |
544 | //printf( "%u: Comparing type '%c' and '%c'\n", i, ((char*)(((homer_uint64*)fBlocks[n].fMetaData)+kType_64b_Offset))[i], type[i] ); | |
545 | if ( ((char*)(((homer_uint64*)fBlocks[n].fMetaData)+kType_64b_Offset))[i] != type[i] ) | |
546 | { | |
547 | found1=false; | |
548 | break; | |
549 | } | |
550 | } | |
551 | } | |
552 | for ( unsigned i = 0; i < 4; i++ ) | |
553 | { | |
554 | if ( origin[i] != (char)0xFF ) | |
555 | { | |
556 | found2 = false; | |
557 | break; | |
558 | } | |
559 | } | |
560 | if ( !found2 ) | |
561 | { | |
562 | found2 = true; | |
563 | for ( unsigned i = 0; i < 4; i++ ) | |
564 | { | |
565 | //printf( "Comparing origin '%c' and '%c'\n", ((char*)(((homer_uint64*)fBlocks[n].fMetaData)+kSubType1_64b_Offset))[i], origin[i] ); | |
566 | if ( ((char*)(((homer_uint64*)fBlocks[n].fMetaData)+kSubType1_64b_Offset))[i] != origin[i] ) | |
567 | { | |
568 | found2=false; | |
569 | break; | |
570 | } | |
571 | } | |
572 | } | |
573 | //printf( "Comparing spec '0x%08lX' and '0x%08lX'\n", (homer_uint32)( *(((homer_uint64*)fBlocks[n].fMetaData)+kSubType2_64b_Offset) ), spec ); | |
574 | if ( found1 && found2 && | |
575 | ( spec == 0xFFFFFFFF || ((homer_uint32)( *(((homer_uint64*)fBlocks[n].fMetaData)+kSubType2_64b_Offset)) )==spec ) ) | |
576 | return n; | |
577 | } | |
578 | return ~(unsigned long)0; | |
579 | } | |
580 | ||
581 | /* Return the ID of the node that actually produced this data block. | |
582 | This may be different from the node which sent the data to this | |
583 | monitoring object as returned by GetBlockSendNodeID. */ | |
fe1edbae | 584 | const char* AliHLTHOMERReader::GetBlockCreateNodeID( unsigned long ndx ) const |
2be16a33 | 585 | { |
04a939f7 | 586 | // see header file for class documentation |
2be16a33 | 587 | if ( ndx >= fBlockCnt ) |
588 | return NULL; | |
589 | return fBlocks[ndx].fOriginatingNodeID; | |
590 | } | |
591 | ||
592 | ||
fe1edbae | 593 | void AliHLTHOMERReader::Init() |
2be16a33 | 594 | { |
04a939f7 | 595 | // see header file for class documentation |
2be16a33 | 596 | fCurrentEventType = ~(homer_uint64)0; |
597 | fCurrentEventID = ~(homer_uint64)0; | |
598 | fMaxBlockCnt = fBlockCnt = 0; | |
599 | fBlocks = NULL; | |
600 | ||
601 | fDataSourceMaxCnt = fDataSourceCnt = fTCPDataSourceCnt = fShmDataSourceCnt = 0; | |
602 | fDataSources = NULL; | |
603 | ||
604 | ||
605 | fConnectionStatus = 0; | |
606 | fErrorConnection = ~(unsigned int)0; | |
607 | ||
04a939f7 | 608 | fEventRequestAdvanceTime = 0; |
2be16a33 | 609 | } |
610 | ||
fe1edbae | 611 | bool AliHLTHOMERReader::AllocDataSources( unsigned int sourceCnt ) |
2be16a33 | 612 | { |
04a939f7 | 613 | // see header file for class documentation |
2be16a33 | 614 | fDataSources = new DataSource[ sourceCnt ]; |
615 | if ( !fDataSources ) | |
616 | return false; | |
6a8e0bb4 | 617 | memset(fDataSources, 0, sizeof(DataSource)*sourceCnt); |
2be16a33 | 618 | fDataSourceCnt = 0; |
619 | fDataSourceMaxCnt = sourceCnt; | |
620 | return true; | |
621 | } | |
622 | ||
fe1edbae | 623 | int AliHLTHOMERReader::AddDataSource( const char* hostname, unsigned short port, DataSource& source ) |
2be16a33 | 624 | { |
04a939f7 | 625 | // see header file for class documentation |
2be16a33 | 626 | struct hostent* he; |
627 | he = gethostbyname( hostname ); | |
628 | if ( he == NULL ) | |
629 | { | |
630 | //fprintf( stderr, "Unable to determine remote host address from '%s'.\n", hostname ); | |
631 | return EADDRNOTAVAIL; | |
632 | } | |
633 | ||
634 | struct sockaddr_in remoteAddr; | |
635 | remoteAddr.sin_family = AF_INET; // host byte order | |
636 | remoteAddr.sin_port = htons(port); // short, network byte order | |
637 | remoteAddr.sin_addr = *((struct in_addr *)he->h_addr); | |
638 | memset(&(remoteAddr.sin_zero), '\0', 8); // zero the rest of the struct | |
639 | ||
640 | // Create socket and connect to target program on remote node | |
641 | source.fTCPConnection = socket( AF_INET, SOCK_STREAM, 0 ); | |
642 | if ( source.fTCPConnection == -1 ) | |
643 | { | |
644 | return errno; | |
645 | } | |
646 | ||
647 | int ret; | |
648 | ||
649 | ret = connect( source.fTCPConnection, (struct sockaddr *)&remoteAddr, sizeof(struct sockaddr) ); | |
650 | if ( ret == -1 ) | |
651 | { | |
652 | ret=errno; | |
653 | close( source.fTCPConnection ); | |
654 | return ret; | |
655 | } | |
656 | ||
657 | ret = write( source.fTCPConnection, MOD_BIN, strlen(MOD_BIN) ); | |
658 | if ( ret != (int)strlen(MOD_BIN) ) | |
659 | { | |
660 | ret=errno; | |
661 | close( source.fTCPConnection ); | |
662 | return ret; | |
663 | } | |
664 | ||
c9926985 | 665 | unsigned hostnamelen=strlen( hostname ); |
666 | char* tmpchar = new char[ hostnamelen+1 ]; | |
2be16a33 | 667 | if ( !tmpchar ) |
668 | { | |
669 | close( source.fTCPConnection ); | |
670 | return ENOMEM; | |
671 | } | |
c9926985 | 672 | strncpy( tmpchar, hostname, hostnamelen ); |
673 | tmpchar[hostnamelen]=0; | |
2be16a33 | 674 | source.fHostname = tmpchar; |
675 | ||
676 | source.fType = kTCP; | |
677 | source.fTCPPort = port; | |
678 | source.fData = NULL; | |
679 | source.fDataSize = 0; | |
680 | source.fDataRead = 0; | |
681 | return 0; | |
682 | } | |
683 | ||
fe1edbae | 684 | int AliHLTHOMERReader::AddDataSource( key_t shmKey, int shmSize, DataSource& source ) |
2be16a33 | 685 | { |
04a939f7 | 686 | // see header file for class documentation |
2be16a33 | 687 | int ret; |
688 | char* tmpchar = new char[ MAXHOSTNAMELEN+1 ]; | |
689 | if ( !tmpchar ) | |
690 | { | |
691 | return ENOMEM; | |
692 | } | |
693 | gethostname( tmpchar, MAXHOSTNAMELEN ); | |
694 | tmpchar[MAXHOSTNAMELEN]=(char)0; | |
695 | source.fHostname = tmpchar; | |
696 | ||
697 | source.fShmID = shmget( shmKey, shmSize, 0660 ); | |
698 | if ( source.fShmID == -1 ) | |
699 | { | |
700 | ret = errno; | |
701 | delete [] source.fHostname; | |
702 | return ret; | |
703 | } | |
704 | ||
705 | source.fShmPtr = (void*)shmat( source.fShmID, NULL, 0 ); | |
706 | ||
707 | if ( !source.fShmPtr ) | |
708 | { | |
709 | ret = errno; | |
710 | shmctl( source.fShmID, IPC_RMID, NULL ); | |
711 | delete [] source.fHostname; | |
712 | return ret; | |
713 | } | |
714 | ||
715 | source.fType = kShm; | |
716 | source.fShmKey = shmKey; | |
717 | source.fShmSize = shmSize; | |
718 | source.fDataSize = 0; | |
719 | source.fDataRead = 0; | |
720 | return 0; | |
721 | } | |
722 | ||
8c617325 | 723 | int AliHLTHOMERReader::AddDataSource( void* pBuffer, int size, DataSource& source ) |
724 | { | |
725 | // see header file for class documentation | |
726 | // a buffer data source is like a shm source apart from the shm attach and detach | |
727 | // procedure. Furthermore, the size indicator at the beginning of the buffer is not | |
728 | // cleared right before sources are read but after the reading. | |
d76bc02a | 729 | //int ret; |
8c617325 | 730 | if ( !pBuffer || size<=0) return EINVAL; |
731 | ||
732 | char* tmpchar = new char[ MAXHOSTNAMELEN+1 ]; | |
733 | if ( !tmpchar ) | |
734 | { | |
735 | return ENOMEM; | |
736 | } | |
737 | gethostname( tmpchar, MAXHOSTNAMELEN ); | |
738 | tmpchar[MAXHOSTNAMELEN]=(char)0; | |
739 | source.fHostname = tmpchar; | |
740 | ||
741 | source.fShmID = -1; | |
742 | // the data buffer does not contain a size indicator in the first 4 bytes | |
743 | // like the shm source buffer. Still we want to use the mechanism to invalidate/ | |
744 | // trigger by clearing the size indicator. Take the source.fShmSize variable. | |
745 | source.fShmPtr = &source.fShmSize; | |
746 | source.fType = kBuf; | |
747 | source.fShmKey = 0; | |
748 | source.fShmSize = size; | |
749 | source.fData = pBuffer; | |
750 | source.fDataSize = 0; | |
751 | source.fDataRead = 0; | |
752 | return 0; | |
753 | } | |
754 | ||
fe1edbae | 755 | void AliHLTHOMERReader::FreeDataSources() |
2be16a33 | 756 | { |
04a939f7 | 757 | // see header file for class documentation |
2be16a33 | 758 | for ( unsigned n=0; n < fDataSourceCnt; n++ ) |
759 | { | |
760 | if ( fDataSources[n].fType == kTCP ) | |
761 | FreeTCPDataSource( fDataSources[n] ); | |
8c617325 | 762 | else if ( fDataSources[n].fType == kShm ) |
2be16a33 | 763 | FreeShmDataSource( fDataSources[n] ); |
242e6536 | 764 | if ( fDataSources[n].fHostname ) |
765 | delete [] fDataSources[n].fHostname; | |
2be16a33 | 766 | } |
242e6536 | 767 | fDataSourceCnt=0; |
2be16a33 | 768 | } |
769 | ||
fe1edbae | 770 | int AliHLTHOMERReader::FreeShmDataSource( DataSource& source ) |
2be16a33 | 771 | { |
04a939f7 | 772 | // see header file for class documentation |
2be16a33 | 773 | if ( source.fShmPtr ) |
6001c5d5 | 774 | shmdt( (char*)source.fShmPtr ); |
2be16a33 | 775 | // if ( source.fShmID != -1 ) |
776 | // shmctl( source.fShmID, IPC_RMID, NULL ); | |
2be16a33 | 777 | return 0; |
778 | } | |
779 | ||
fe1edbae | 780 | int AliHLTHOMERReader::FreeTCPDataSource( DataSource& source ) |
2be16a33 | 781 | { |
04a939f7 | 782 | // see header file for class documentation |
2be16a33 | 783 | if ( source.fTCPConnection ) |
784 | close( source.fTCPConnection ); | |
2be16a33 | 785 | return 0; |
786 | } | |
787 | ||
fe1edbae | 788 | int AliHLTHOMERReader::ReadNextEvent( bool useTimeout, unsigned long timeout ) |
2be16a33 | 789 | { |
04a939f7 | 790 | // see header file for class documentation |
2be16a33 | 791 | if ( fDataSourceCnt<=0 ) |
792 | return ENXIO; | |
793 | // Clean up currently active event. | |
794 | ReleaseCurrentEvent(); | |
29e6fd20 | 795 | int ret=0; |
2be16a33 | 796 | // Trigger all configured data sources |
cfa641b1 | 797 | for ( unsigned n = 0; n<fDataSourceCnt; n++ ){ |
798 | if ( fDataSources[n].fType == kTCP ) | |
799 | ret = TriggerTCPSource( fDataSources[n], useTimeout, timeout ); | |
800 | else if ( fDataSources[n].fType == kShm ) | |
801 | ret = TriggerShmSource( fDataSources[n], useTimeout, timeout ); | |
802 | if ( ret ) | |
2be16a33 | 803 | { |
cfa641b1 | 804 | fErrorConnection = n; |
805 | fConnectionStatus=ret; | |
806 | return fConnectionStatus; | |
2be16a33 | 807 | } |
cfa641b1 | 808 | } |
2be16a33 | 809 | // Now read in data from the configured data source |
810 | ret = ReadDataFromTCPSources( fTCPDataSourceCnt, fDataSources, useTimeout, timeout ); | |
cfa641b1 | 811 | |
2be16a33 | 812 | if ( ret ) |
cfa641b1 | 813 | { |
2be16a33 | 814 | return ret; |
cfa641b1 | 815 | } |
2be16a33 | 816 | ret = ReadDataFromShmSources( fShmDataSourceCnt, fDataSources+fTCPDataSourceCnt, useTimeout, timeout ); |
817 | if ( ret ) | |
818 | { | |
819 | return ret; | |
820 | } | |
821 | // for ( unsigned n = 0; n<fDataSourceCnt; n++ ) | |
822 | // { | |
823 | // if ( fDataSources[n].fType == kTCP ) | |
824 | // ret = ReadDataFromTCPSource( fDataSources[n], useTimeout, timeout ); | |
825 | // else | |
826 | // ret = ReadDataFromShmSource( fDataSources[n], useTimeout, timeout ); | |
827 | // if ( ret ) | |
828 | // { | |
829 | // fErrorConnection = n; | |
830 | // fConnectionStatus=ret; | |
831 | // return fConnectionStatus; | |
832 | // } | |
833 | // } | |
834 | //Check to see that all sources contributed data for the same event | |
835 | homer_uint64 eventID; | |
836 | homer_uint64 eventType; | |
29e6fd20 | 837 | if (!fDataSources[0].fData) |
838 | { | |
839 | fErrorConnection = 0; | |
840 | fConnectionStatus=56;//ENOBUF; | |
841 | return fConnectionStatus; | |
842 | } | |
2be16a33 | 843 | eventID = GetSourceEventID( fDataSources[0] ); |
844 | eventType = GetSourceEventType( fDataSources[0] ); | |
845 | for ( unsigned n = 1; n < fDataSourceCnt; n++ ) | |
846 | { | |
29e6fd20 | 847 | if ( !fDataSources[n].fData || GetSourceEventID( fDataSources[n] ) != eventID || GetSourceEventType( fDataSources[n] ) != eventType ) |
2be16a33 | 848 | { |
849 | fErrorConnection = n; | |
746d2a94 | 850 | fConnectionStatus=56;//EBADRQC; |
2be16a33 | 851 | return fConnectionStatus; |
852 | } | |
853 | } | |
854 | // Find all the different data blocks contained in the data from all | |
855 | // the sources. | |
856 | for ( unsigned n = 0; n < fDataSourceCnt; n++ ) | |
857 | { | |
858 | ret = ParseSourceData( fDataSources[n] ); | |
859 | if ( ret ) | |
860 | { | |
861 | fErrorConnection = n; | |
746d2a94 | 862 | fConnectionStatus=57;//EBADSLT; |
aa5178e8 | 863 | return ret; |
2be16a33 | 864 | } |
865 | } | |
866 | fCurrentEventID = eventID; | |
867 | fCurrentEventType = eventType; | |
868 | return 0; | |
869 | } | |
870 | ||
fe1edbae | 871 | void AliHLTHOMERReader::ReleaseCurrentEvent() |
2be16a33 | 872 | { |
04a939f7 | 873 | // see header file for class documentation |
2be16a33 | 874 | // sources.fDataRead = 0; |
875 | // fMaxBlockCnt | |
876 | fCurrentEventID = ~(homer_uint64)0; | |
877 | fCurrentEventType = ~(homer_uint64)0; | |
878 | for ( unsigned n = 0; n < fDataSourceCnt; n++ ) | |
879 | { | |
880 | if ( fDataSources[n].fData ) | |
881 | { | |
882 | if ( fDataSources[n].fType == kTCP ) | |
883 | delete [] (homer_uint8*)fDataSources[n].fData; | |
29e6fd20 | 884 | // do not reset the data pointer for kBuf sources since this |
885 | // can not be set again. | |
886 | if ( fDataSources[n].fType != kBuf ) | |
887 | fDataSources[n].fData = NULL; | |
2be16a33 | 888 | } |
889 | fDataSources[n].fDataSize = fDataSources[n].fDataRead = 0; | |
890 | } | |
891 | if ( fBlocks ) | |
892 | { | |
893 | for ( unsigned n = 0; n < fMaxBlockCnt; n++ ) | |
894 | { | |
895 | if ( fBlocks[n].fOriginatingNodeID ) | |
896 | delete [] fBlocks[n].fOriginatingNodeID; | |
897 | } | |
898 | delete [] fBlocks; | |
899 | fBlocks=0; | |
900 | fMaxBlockCnt = 0; | |
901 | fBlockCnt=0; | |
902 | } | |
903 | } | |
904 | ||
fe1edbae | 905 | int AliHLTHOMERReader::TriggerTCPSource( DataSource& source, bool useTimeout, unsigned long timeoutUsec ) |
2be16a33 | 906 | { |
04a939f7 | 907 | // see header file for class documentation |
620aa46c | 908 | int ret=0; |
2be16a33 | 909 | struct timeval oldSndTO, newSndTO; |
620aa46c | 910 | memset(&oldSndTO, 0, sizeof(oldSndTO)); |
911 | memset(&newSndTO, 0, sizeof(newSndTO)); | |
2be16a33 | 912 | if ( useTimeout ) |
913 | { | |
914 | socklen_t optlen=sizeof(oldSndTO); | |
915 | ret = getsockopt( source.fTCPConnection, SOL_SOCKET, SO_SNDTIMEO, &oldSndTO, &optlen ); | |
916 | if ( ret ) | |
917 | { | |
918 | return errno; | |
919 | } | |
920 | if ( optlen!=sizeof(oldSndTO) ) | |
921 | { | |
922 | return ENXIO; | |
923 | } | |
3a7c0444 | 924 | newSndTO.tv_sec = timeoutUsec / 1000000; |
925 | newSndTO.tv_usec = timeoutUsec - (newSndTO.tv_sec*1000000); | |
2be16a33 | 926 | ret = setsockopt( source.fTCPConnection, SOL_SOCKET, SO_SNDTIMEO, &newSndTO, sizeof(newSndTO) ); |
927 | if ( ret ) | |
928 | { | |
929 | return errno; | |
930 | } | |
931 | } | |
932 | // Send one event request | |
04a939f7 | 933 | if ( !fEventRequestAdvanceTime ) |
2be16a33 | 934 | { |
935 | ret = write( source.fTCPConnection, GET_ONE, strlen(GET_ONE) ); | |
936 | ||
937 | if ( ret != (int)strlen(GET_ONE) ) | |
938 | { | |
939 | ret=errno; | |
940 | setsockopt( source.fTCPConnection, SOL_SOCKET, SO_SNDTIMEO, &oldSndTO, sizeof(oldSndTO) ); | |
941 | return ret; | |
942 | } | |
943 | } | |
944 | else | |
945 | { | |
946 | char tmpCmd[ 128 ]; | |
947 | ||
04a939f7 | 948 | int len = snprintf( tmpCmd, 128, "FIRST ORBIT EVENT 0x%Lu\n", (unsigned long long)fEventRequestAdvanceTime ); |
2be16a33 | 949 | if ( len>128 || len<0 ) |
950 | { | |
951 | ret=EMSGSIZE; | |
952 | setsockopt( source.fTCPConnection, SOL_SOCKET, SO_SNDTIMEO, &oldSndTO, sizeof(oldSndTO) ); | |
953 | return ret; | |
954 | } | |
955 | ||
956 | ret = write( source.fTCPConnection, tmpCmd, strlen(tmpCmd) ); | |
957 | ||
958 | if ( ret != (int)strlen(tmpCmd) ) | |
959 | { | |
960 | ret=errno; | |
961 | setsockopt( source.fTCPConnection, SOL_SOCKET, SO_SNDTIMEO, &oldSndTO, sizeof(oldSndTO) ); | |
962 | return ret; | |
963 | } | |
964 | ||
965 | } | |
966 | return 0; | |
967 | } | |
968 | ||
6a8e0bb4 | 969 | int AliHLTHOMERReader::TriggerShmSource( DataSource& source, bool, unsigned long ) const |
2be16a33 | 970 | { |
04a939f7 | 971 | // see header file for class documentation |
fe1edbae | 972 | // clear the size indicator in the first 4 bytes of the buffer to request data |
973 | // from the HOMER writer. | |
2be16a33 | 974 | if ( source.fShmPtr ) |
975 | { | |
976 | *(homer_uint32*)( source.fShmPtr ) = 0; | |
977 | return 0; | |
978 | } | |
979 | else | |
980 | return EFAULT; | |
981 | } | |
982 | ||
fe1edbae | 983 | int AliHLTHOMERReader::ReadDataFromTCPSources( unsigned sourceCnt, DataSource* sources, bool useTimeout, unsigned long timeout ) |
2be16a33 | 984 | { |
3a7c0444 | 985 | // see header file for class documentation |
2be16a33 | 986 | bool toRead = false; |
987 | do | |
988 | { | |
989 | fd_set conns; | |
990 | FD_ZERO( &conns ); | |
991 | int highestConn=0; | |
992 | toRead = false; | |
993 | unsigned firstConnection=~(unsigned)0; | |
994 | for ( unsigned long n = 0; n < sourceCnt; n++ ) | |
995 | { | |
996 | if ( sources[n].fDataSize == 0 // size specifier not yet read | |
997 | || sources[n].fDataRead < sources[n].fDataSize ) // Data not yet read fully | |
998 | { | |
999 | toRead = true; | |
1000 | FD_SET( sources[n].fTCPConnection, &conns ); | |
1001 | if ( sources[n].fTCPConnection > highestConn ) | |
1002 | highestConn = sources[n].fTCPConnection; | |
1003 | fcntl( sources[n].fTCPConnection, F_SETFL, O_NONBLOCK ); | |
1004 | if ( firstConnection == ~(unsigned)0 ) | |
1005 | firstConnection = n; | |
1006 | } | |
1007 | else | |
1008 | { | |
1009 | fcntl( sources[n].fTCPConnection, F_SETFL, 0 ); | |
1010 | } | |
1011 | } | |
1012 | if ( toRead ) | |
1013 | { | |
1014 | struct timeval tv, *ptv; | |
1015 | if ( useTimeout ) | |
1016 | { | |
1017 | tv.tv_sec = timeout / 1000000; | |
1018 | tv.tv_usec = timeout - (tv.tv_sec*1000000); | |
1019 | ptv = &tv; | |
1020 | } | |
1021 | else | |
1022 | ptv = NULL; | |
1023 | // wait until something is ready to be read | |
1024 | // either for timeout usecs or until eternity | |
1025 | int ret; | |
1026 | ret = select( highestConn+1, &conns, NULL, NULL, ptv ); | |
1027 | if ( ret <=0 ) | |
1028 | { | |
1029 | fErrorConnection = firstConnection; | |
1030 | if ( errno ) | |
1031 | fConnectionStatus = errno; | |
1032 | else | |
1033 | fConnectionStatus = ETIMEDOUT; | |
1034 | return fConnectionStatus; | |
1035 | } | |
1036 | for ( unsigned n = 0; n < sourceCnt; n++ ) | |
1037 | { | |
1038 | if ( FD_ISSET( sources[n].fTCPConnection, &conns ) ) | |
1039 | { | |
1040 | if ( sources[n].fDataSize == 0 ) | |
1041 | { | |
1042 | ret=read( sources[n].fTCPConnection, &(sources[n].fDataSize), sizeof(homer_uint32) ); | |
1043 | if ( ret != sizeof(homer_uint32) ) | |
1044 | { | |
1045 | fErrorConnection = n; | |
1046 | if ( errno ) | |
1047 | fConnectionStatus = errno; | |
1048 | else | |
1049 | fConnectionStatus = ENOMSG; | |
1050 | return fConnectionStatus; | |
1051 | } | |
1052 | sources[n].fDataSize = ntohl( sources[n].fDataSize ); | |
1053 | sources[n].fDataRead = 0; | |
1054 | sources[n].fData = new homer_uint8[ sources[n].fDataSize ]; | |
1055 | if ( !sources[n].fData ) | |
1056 | { | |
1057 | fErrorConnection = n; | |
1058 | fConnectionStatus = ENOMEM; | |
1059 | return fConnectionStatus; | |
1060 | } | |
1061 | } | |
1062 | else if ( sources[n].fData && sources[n].fDataRead < sources[n].fDataSize) | |
1063 | { | |
1064 | ret=read( sources[n].fTCPConnection, ((homer_uint8*)sources[n].fData)+sources[n].fDataRead, sources[n].fDataSize-sources[n].fDataRead ); | |
1065 | if ( ret>0 ) | |
1066 | sources[n].fDataRead += ret; | |
1067 | else if ( ret == 0 ) | |
1068 | { | |
1069 | fErrorConnection = n; | |
1070 | fConnectionStatus = ECONNRESET; | |
1071 | return fConnectionStatus; | |
1072 | } | |
1073 | else | |
1074 | { | |
1075 | fErrorConnection = n; | |
1076 | fConnectionStatus = errno; | |
1077 | return fConnectionStatus; | |
1078 | } | |
1079 | } | |
1080 | else | |
1081 | { | |
1082 | fErrorConnection = n; | |
1083 | fConnectionStatus = ENXIO; | |
1084 | return fConnectionStatus; | |
1085 | } | |
1086 | } | |
1087 | } | |
1088 | } | |
1089 | } | |
1090 | while ( toRead ); | |
1091 | return 0; | |
1092 | } | |
1093 | ||
1094 | /* | |
fe1edbae | 1095 | int AliHLTHOMERReader::ReadDataFromTCPSources( DataSource& source, bool useTimeout, unsigned long timeout ) |
2be16a33 | 1096 | { |
1097 | #warning TODO If useTimeout: Set sockets to nonblocking, select + loop around GET_ONE write | |
1098 | // Send one event request | |
1099 | ret = write( source.fTCPConnection, GET_ONE, strlen(GET_ONE) ); | |
1100 | if ( ret != strlen(GET_ONE) ) | |
1101 | { | |
1102 | return errno; | |
1103 | } | |
1104 | // wait for and read back size specifier | |
1105 | unsigned sizeNBO; | |
1106 | // The value transmitted is binary, in network byte order | |
1107 | ret = read( source.fTCPConnection, &sizeNBO, sizeof(sizeNBO) ); | |
1108 | if ( ret != sizeof(sizeNBO) ) | |
1109 | { | |
1110 | return errno; | |
1111 | } | |
1112 | // Convert back to host byte order | |
1113 | source.fDataSize = ntohl( sizeNBO ); | |
1114 | source.fData = new homer_uint8[ source.fDataSize ]; | |
1115 | unsigned long dataRead=0, toRead; | |
1116 | if ( !source.fData ) | |
1117 | { | |
1118 | char buffer[1024]; | |
1119 | // Read in data into buffer in order not to block connection | |
1120 | while ( dataRead < source.fDataSize ) | |
1121 | { | |
1122 | if ( source.fDataSize-dataRead > 1024 ) | |
1123 | toRead = 1024; | |
1124 | else | |
1125 | toRead = source.fDataSize-dataRead; | |
1126 | ret = read( source.fTCPConnection, buffer, toRead ); | |
1127 | if ( ret > 0 ) | |
1128 | dataRead += ret; | |
1129 | else | |
1130 | return errno; | |
1131 | } | |
1132 | return ENOMEM; | |
1133 | } | |
1134 | while ( dataRead < source.fDataSize ) | |
1135 | { | |
1136 | toRead = source.fDataSize-dataRead; | |
1137 | ret = read( source.fTCPConnection, source.fData+dataRead, toRead ); | |
1138 | if ( ret > 0 ) | |
1139 | dataRead += ret; | |
1140 | else if ( ret == 0 && useTimeout ) | |
1141 | { | |
1142 | struct timeval tv; | |
1143 | tv.tv_sec = timeout / 1000000; | |
1144 | tv.tv_usec = timeout - (tv.tv_sec*1000000); | |
1145 | fd_set conns; | |
1146 | FD_ZERO( &conns ); | |
1147 | FD_SET( source.fTCPConnection, &conns ); | |
1148 | ret = select( source.fTCPConnection+1, &conns, NULL, NULL ); | |
1149 | if ( ret <=0 ) | |
1150 | return errno; | |
1151 | } | |
1152 | else if ( ret == 0 ) | |
1153 | { | |
1154 | if ( errno == EOK ) | |
1155 | return ECONNRESET; | |
1156 | else | |
1157 | return errno; | |
1158 | } | |
1159 | else | |
1160 | { | |
1161 | return errno; | |
1162 | } | |
1163 | } | |
1164 | return 0; | |
1165 | } | |
1166 | */ | |
1167 | ||
1168 | /* | |
fe1edbae | 1169 | int AliHLTHOMERReader::ReadDataFromShmSource( DataSource& source, bool useTimeout, unsigned long timeout ) |
2be16a33 | 1170 | { |
1171 | ||
1172 | } | |
1173 | */ | |
1174 | ||
fe1edbae | 1175 | int AliHLTHOMERReader::ReadDataFromShmSources( unsigned sourceCnt, DataSource* sources, bool useTimeout, unsigned long timeout ) |
2be16a33 | 1176 | { |
04a939f7 | 1177 | // see header file for class documentation |
2be16a33 | 1178 | struct timeval tv1, tv2; |
1179 | bool found=false; | |
1180 | bool all=true; | |
1181 | if ( useTimeout ) | |
1182 | gettimeofday( &tv1, NULL ); | |
1183 | do | |
1184 | { | |
1185 | found = false; | |
1186 | all = true; | |
1187 | for ( unsigned n = 0; n < sourceCnt; n++ ) | |
1188 | { | |
1189 | if ( !sources[n].fDataSize ) | |
1190 | all = false; | |
1191 | if ( sources[n].fShmPtr && *(homer_uint32*)sources[n].fShmPtr>0 && !sources[n].fDataSize ) | |
1192 | { | |
1193 | found = true; | |
1194 | sources[n].fDataSize = *(homer_uint32*)sources[n].fShmPtr; | |
8c617325 | 1195 | if (sources[n].fType==kBuf) |
1196 | { | |
1197 | // the data buffer is already set to fData, just need to set fDataSize member | |
1198 | // to invalidate after the first reading. Subsequent calls to ReadNextEvent return 0 | |
1199 | TriggerShmSource( sources[n], 0, 0 ); | |
1200 | } else | |
1201 | { | |
1202 | sources[n].fData = ((homer_uint8*)sources[n].fShmPtr)+sizeof(homer_uint32); | |
1203 | } | |
2be16a33 | 1204 | } |
1205 | } | |
1206 | if ( found && useTimeout ) | |
1207 | gettimeofday( &tv1, NULL ); | |
1208 | if ( !all && useTimeout ) | |
1209 | { | |
1210 | gettimeofday( &tv2, NULL ); | |
1211 | unsigned long long tdiff; | |
1212 | tdiff = tv2.tv_sec-tv1.tv_sec; | |
1213 | tdiff *= 1000000; | |
1214 | tdiff += tv2.tv_usec-tv1.tv_usec; | |
1215 | if ( tdiff > timeout ) | |
1216 | return ETIMEDOUT; | |
1217 | } | |
1218 | if ( !all ) | |
1219 | usleep( 0 ); | |
1220 | } | |
1221 | while ( !all ); | |
1222 | return 0; | |
1223 | } | |
1224 | ||
fe1edbae | 1225 | int AliHLTHOMERReader::ParseSourceData( DataSource& source ) |
2be16a33 | 1226 | { |
04a939f7 | 1227 | // see header file for class documentation |
2be16a33 | 1228 | if ( source.fData ) |
1229 | { | |
1230 | homer_uint8 sourceByteOrder = ((homer_uint8*)source.fData)[ kByteOrderAttribute_8b_Offset ]; | |
aa5178e8 | 1231 | if (sourceByteOrder!=kHOMERLittleEndianByteOrder && sourceByteOrder!=kHOMERBigEndianByteOrder) return EBADMSG; |
2be16a33 | 1232 | homer_uint64 blockCnt = Swap( kHOMERNativeByteOrder, sourceByteOrder, ((homer_uint64*)source.fData)[ kSubType2_64b_Offset ] ); |
aa5178e8 | 1233 | // block count is not related to size of the data in the way the |
1234 | // following condition implies. But we can at least limit the block | |
1235 | // count for the case the data is corrupted | |
1236 | if (blockCnt>source.fDataSize) return EBADMSG; | |
2be16a33 | 1237 | int ret=ReAllocBlocks( fMaxBlockCnt+blockCnt ); |
1238 | if ( ret ) | |
1239 | return ret; | |
1240 | homer_uint64 descrOffset = Swap( kHOMERNativeByteOrder, sourceByteOrder, ((homer_uint64*)source.fData)[ kOffset_64b_Offset ] ); | |
1241 | for ( homer_uint64 n = 0; n < blockCnt && fBlockCnt < fMaxBlockCnt; n++, fBlockCnt++ ) | |
1242 | { | |
aa5178e8 | 1243 | if (descrOffset+kLength_64b_Offset>=source.fDataSize) return EBADMSG; |
2be16a33 | 1244 | homer_uint8* descr = ((homer_uint8*)source.fData)+descrOffset; |
1245 | unsigned descrLen = Swap( kHOMERNativeByteOrder, sourceByteOrder, ((homer_uint64*)descr)[ kLength_64b_Offset ] ); | |
aa5178e8 | 1246 | if (descrOffset+descrLen>=source.fDataSize) return EBADMSG; |
31774e81 | 1247 | if (Swap( kHOMERNativeByteOrder, sourceByteOrder, ((homer_uint64*)descr)[ kID_64b_Offset ] ) != HOMER_BLOCK_DESCRIPTOR_TYPEID) return 126/*ENOKEY*/; |
2be16a33 | 1248 | fBlocks[fBlockCnt].fSource = source.fNdx; |
1249 | fBlocks[fBlockCnt].fData = ((homer_uint8*)source.fData) + Swap( kHOMERNativeByteOrder, sourceByteOrder, ((homer_uint64*)descr)[ kOffset_64b_Offset ] ); | |
1250 | fBlocks[fBlockCnt].fLength = Swap( kHOMERNativeByteOrder, sourceByteOrder, ((homer_uint64*)descr)[ kSize_64b_Offset ] ); | |
1251 | fBlocks[fBlockCnt].fMetaData = (homer_uint64*)descr; | |
1252 | struct in_addr tmpA; | |
1253 | tmpA.s_addr = (homer_uint32)( ((homer_uint64*)descr)[ kProducerNode_64b_Offset ] ); | |
1254 | char* addr = inet_ntoa( tmpA ); | |
c9926985 | 1255 | unsigned straddrlen=strlen(addr); |
1256 | char* tmpchar = new char[ straddrlen+1 ]; | |
2be16a33 | 1257 | if ( !tmpchar ) |
1258 | return ENOMEM; | |
c9926985 | 1259 | strncpy( tmpchar, addr, straddrlen ); |
1260 | tmpchar[straddrlen]=0; | |
2be16a33 | 1261 | fBlocks[fBlockCnt].fOriginatingNodeID = tmpchar; |
1262 | descrOffset += descrLen; | |
1263 | } | |
1264 | return 0; | |
1265 | } | |
1266 | return EFAULT; | |
1267 | } | |
1268 | ||
fe1edbae | 1269 | int AliHLTHOMERReader::ReAllocBlocks( unsigned long newCnt ) |
2be16a33 | 1270 | { |
04a939f7 | 1271 | // see header file for class documentation |
2be16a33 | 1272 | DataBlock* newBlocks; |
1273 | newBlocks = new DataBlock[ newCnt ]; | |
1274 | if ( !newBlocks ) | |
1275 | return ENOMEM; | |
1276 | unsigned long cpCnt = (newCnt > fMaxBlockCnt) ? fMaxBlockCnt : newCnt; | |
c9926985 | 1277 | if ( fBlocks ) { |
2be16a33 | 1278 | memcpy( newBlocks, fBlocks, cpCnt*sizeof(DataBlock) ); |
c9926985 | 1279 | } else { |
1280 | fMaxBlockCnt=0; | |
1281 | } | |
2be16a33 | 1282 | if ( newCnt > fMaxBlockCnt ) |
1283 | memset( newBlocks+fMaxBlockCnt, 0, (newCnt-fMaxBlockCnt)*sizeof(DataBlock) ); | |
1284 | if ( fBlocks ) | |
1285 | delete [] fBlocks; | |
1286 | fBlocks = newBlocks; | |
1287 | fMaxBlockCnt = newCnt; | |
1288 | return 0; | |
1289 | } | |
1290 | ||
fe1edbae | 1291 | homer_uint64 AliHLTHOMERReader::GetSourceEventID( DataSource& source ) |
2be16a33 | 1292 | { |
04a939f7 | 1293 | // see header file for class documentation |
2be16a33 | 1294 | homer_uint8 sourceByteOrder = ((homer_uint8*)source.fData)[ kByteOrderAttribute_8b_Offset ]; |
1295 | return Swap( kHOMERNativeByteOrder, sourceByteOrder, ((homer_uint64*)source.fData)[ kSubType1_64b_Offset ] ); | |
1296 | } | |
1297 | ||
fe1edbae | 1298 | homer_uint64 AliHLTHOMERReader::GetSourceEventType( DataSource& source ) |
2be16a33 | 1299 | { |
04a939f7 | 1300 | // see header file for class documentation |
2be16a33 | 1301 | homer_uint8 sourceByteOrder = ((homer_uint8*)source.fData)[ kByteOrderAttribute_8b_Offset ]; |
1302 | return Swap( kHOMERNativeByteOrder, sourceByteOrder, ((homer_uint64*)source.fData)[ kType_64b_Offset ] ); | |
1303 | } | |
1304 | ||
fe1edbae | 1305 | homer_uint64 AliHLTHOMERReader::Swap( homer_uint8 destFormat, homer_uint8 sourceFormat, homer_uint64 source ) const |
3a7c0444 | 1306 | { |
1307 | // see header file for class documentation | |
1308 | if ( destFormat == sourceFormat ) | |
1309 | return source; | |
1310 | else | |
1311 | return ((source & 0xFFULL) << 56) | | |
1312 | ((source & 0xFF00ULL) << 40) | | |
1313 | ((source & 0xFF0000ULL) << 24) | | |
1314 | ((source & 0xFF000000ULL) << 8) | | |
1315 | ((source & 0xFF00000000ULL) >> 8) | | |
1316 | ((source & 0xFF0000000000ULL) >> 24) | | |
1317 | ((source & 0xFF000000000000ULL) >> 40) | | |
1318 | ((source & 0xFF00000000000000ULL) >> 56); | |
1319 | } | |
2be16a33 | 1320 | |
fe1edbae | 1321 | homer_uint32 AliHLTHOMERReader::Swap( homer_uint8 destFormat, homer_uint8 sourceFormat, homer_uint32 source ) const |
3a7c0444 | 1322 | { |
1323 | // see header file for class documentation | |
1324 | if ( destFormat == sourceFormat ) | |
1325 | return source; | |
1326 | else | |
1327 | return ((source & 0xFFUL) << 24) | | |
1328 | ((source & 0xFF00UL) << 8) | | |
1329 | ((source & 0xFF0000UL) >> 8) | | |
1330 | ((source & 0xFF000000UL) >> 24); | |
1331 | } | |
fe1edbae | 1332 | |
a183f221 | 1333 | AliHLTHOMERReader* AliHLTHOMERReaderCreateFromTCPPort(const char* hostname, unsigned short port ) |
fe1edbae | 1334 | { |
a183f221 | 1335 | // see header file for function documentation |
1336 | return new AliHLTHOMERReader(hostname, port); | |
1337 | } | |
1338 | ||
1339 | AliHLTHOMERReader* AliHLTHOMERReaderCreateFromTCPPorts(unsigned int tcpCnt, const char** hostnames, unsigned short* ports) | |
1340 | { | |
1341 | // see header file for function documentation | |
1342 | return new AliHLTHOMERReader(tcpCnt, hostnames, ports); | |
1343 | } | |
1344 | ||
1345 | AliHLTHOMERReader* AliHLTHOMERReaderCreateFromBuffer(const void* pBuffer, int size) | |
1346 | { | |
1347 | // see header file for function documentation | |
8c617325 | 1348 | return new AliHLTHOMERReader(pBuffer, size); |
fe1edbae | 1349 | } |
1350 | ||
1351 | void AliHLTHOMERReaderDelete(AliHLTHOMERReader* pInstance) | |
1352 | { | |
a183f221 | 1353 | // see header file for function documentation |
fe1edbae | 1354 | if (pInstance) delete pInstance; |
1355 | } | |
1356 | ||
2be16a33 | 1357 | /* |
1358 | *************************************************************************** | |
1359 | ** | |
1360 | ** $Author$ - Initial Version by Timm Morten Steinbeck | |
1361 | ** | |
1362 | ** $Id$ | |
1363 | ** | |
1364 | *************************************************************************** | |
1365 | */ |