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root/OpenMD/trunk/src/io/DumpReader.cpp
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Comparing trunk/src/io/DumpReader.cpp (file contents):
Revision 246 by gezelter, Wed Jan 12 22:41:40 2005 UTC vs.
Revision 1025 by gezelter, Wed Aug 30 20:33:44 2006 UTC

# Line 1 | Line 1
1 < /*
2 < * Copyright (c) 2005 The University of Notre Dame. All Rights Reserved.
3 < *
4 < * The University of Notre Dame grants you ("Licensee") a
5 < * non-exclusive, royalty free, license to use, modify and
6 < * redistribute this software in source and binary code form, provided
7 < * that the following conditions are met:
8 < *
9 < * 1. Acknowledgement of the program authors must be made in any
10 < *    publication of scientific results based in part on use of the
11 < *    program.  An acceptable form of acknowledgement is citation of
12 < *    the article in which the program was described (Matthew
13 < *    A. Meineke, Charles F. Vardeman II, Teng Lin, Christopher
14 < *    J. Fennell and J. Daniel Gezelter, "OOPSE: An Object-Oriented
15 < *    Parallel Simulation Engine for Molecular Dynamics,"
16 < *    J. Comput. Chem. 26, pp. 252-271 (2005))
17 < *
18 < * 2. Redistributions of source code must retain the above copyright
19 < *    notice, this list of conditions and the following disclaimer.
20 < *
21 < * 3. Redistributions in binary form must reproduce the above copyright
22 < *    notice, this list of conditions and the following disclaimer in the
23 < *    documentation and/or other materials provided with the
24 < *    distribution.
25 < *
26 < * This software is provided "AS IS," without a warranty of any
27 < * kind. All express or implied conditions, representations and
28 < * warranties, including any implied warranty of merchantability,
29 < * fitness for a particular purpose or non-infringement, are hereby
30 < * excluded.  The University of Notre Dame and its licensors shall not
31 < * be liable for any damages suffered by licensee as a result of
32 < * using, modifying or distributing the software or its
33 < * derivatives. In no event will the University of Notre Dame or its
34 < * licensors be liable for any lost revenue, profit or data, or for
35 < * direct, indirect, special, consequential, incidental or punitive
36 < * damages, however caused and regardless of the theory of liability,
37 < * arising out of the use of or inability to use software, even if the
38 < * University of Notre Dame has been advised of the possibility of
39 < * such damages.
40 < */
1 > /*
2 > * Copyright (c) 2005 The University of Notre Dame. All Rights Reserved.
3 > *
4 > * The University of Notre Dame grants you ("Licensee") a
5 > * non-exclusive, royalty free, license to use, modify and
6 > * redistribute this software in source and binary code form, provided
7 > * that the following conditions are met:
8 > *
9 > * 1. Acknowledgement of the program authors must be made in any
10 > *    publication of scientific results based in part on use of the
11 > *    program.  An acceptable form of acknowledgement is citation of
12 > *    the article in which the program was described (Matthew
13 > *    A. Meineke, Charles F. Vardeman II, Teng Lin, Christopher
14 > *    J. Fennell and J. Daniel Gezelter, "OOPSE: An Object-Oriented
15 > *    Parallel Simulation Engine for Molecular Dynamics,"
16 > *    J. Comput. Chem. 26, pp. 252-271 (2005))
17 > *
18 > * 2. Redistributions of source code must retain the above copyright
19 > *    notice, this list of conditions and the following disclaimer.
20 > *
21 > * 3. Redistributions in binary form must reproduce the above copyright
22 > *    notice, this list of conditions and the following disclaimer in the
23 > *    documentation and/or other materials provided with the
24 > *    distribution.
25 > *
26 > * This software is provided "AS IS," without a warranty of any
27 > * kind. All express or implied conditions, representations and
28 > * warranties, including any implied warranty of merchantability,
29 > * fitness for a particular purpose or non-infringement, are hereby
30 > * excluded.  The University of Notre Dame and its licensors shall not
31 > * be liable for any damages suffered by licensee as a result of
32 > * using, modifying or distributing the software or its
33 > * derivatives. In no event will the University of Notre Dame or its
34 > * licensors be liable for any lost revenue, profit or data, or for
35 > * direct, indirect, special, consequential, incidental or punitive
36 > * damages, however caused and regardless of the theory of liability,
37 > * arising out of the use of or inability to use software, even if the
38 > * University of Notre Dame has been advised of the possibility of
39 > * such damages.
40 > */
41 >  
42 > #define _LARGEFILE_SOURCE64
43 > #define _FILE_OFFSET_BITS 64
44  
45 < #define _LARGEFILE_SOURCE64
46 < #define _FILE_OFFSET_BITS 64
47 <
48 < #include <sys/types.h>
49 < #include <sys/stat.h>
50 <
51 < #include <iostream>
52 < #include <math.h>
53 <
54 < #include <stdio.h>
55 < #include <stdlib.h>
56 < #include <string.h>
57 <
58 < #include "io/DumpReader.hpp"
59 < #include "primitives/Molecule.hpp"
60 < #include "utils/simError.h"
61 < #include "utils/MemoryUtils.hpp"
62 < #include "utils/StringTokenizer.hpp"
63 <
64 < #ifdef IS_MPI
65 <
66 < #include <mpi.h>
67 < #define TAKE_THIS_TAG_CHAR 0
68 < #define TAKE_THIS_TAG_INT 1
69 <
70 < #endif // is_mpi
71 <
72 <
73 < namespace oopse {
74 <
75 < DumpReader::DumpReader(SimInfo* info, const std::string& filename)
76 <                     : info_(info), filename_(filename), isScanned_(false), nframes_(0) {
77 <
78 < #ifdef IS_MPI
79 <
80 <    if (worldRank == 0) {
81 < #endif
82 <
83 <        inFile_ = fopen(filename_.c_str(), "r");
84 <
85 <        if (inFile_ == NULL) {
86 <            sprintf(painCave.errMsg, "Cannot open file: %s\n", filename_.c_str());
87 <            painCave.isFatal = 1;
88 <            simError();
45 > #include <sys/types.h>
46 > #include <sys/stat.h>
47 >
48 > #include <iostream>
49 > #include <math.h>
50 >
51 > #include <stdio.h>
52 > #include <stdlib.h>
53 > #include <string.h>
54 >
55 > #include "io/DumpReader.hpp"
56 > #include "primitives/Molecule.hpp"
57 > #include "utils/simError.h"
58 > #include "utils/MemoryUtils.hpp"
59 > #include "utils/StringTokenizer.hpp"
60 >
61 > #ifdef IS_MPI
62 >
63 > #include <mpi.h>
64 > #define TAKE_THIS_TAG_CHAR 0
65 > #define TAKE_THIS_TAG_INT 1
66 >
67 > #endif // is_mpi
68 >
69 >
70 > namespace oopse {
71 >  
72 >  DumpReader::DumpReader(SimInfo* info, const std::string& filename)
73 >    : info_(info), filename_(filename), isScanned_(false), nframes_(0) {
74 >    
75 > #ifdef IS_MPI
76 >    
77 >    if (worldRank == 0) {
78 > #endif
79 >      
80 >      inFile_ = new std::ifstream(filename_.c_str());
81 >      
82 >      if (inFile_->fail()) {
83 >        sprintf(painCave.errMsg,
84 >                "DumpReader: Cannot open file: %s\n",
85 >                filename_.c_str());
86 >        painCave.isFatal = 1;
87 >        simError();
88 >      }
89 >      
90 > #ifdef IS_MPI
91 >      
92 >    }
93 >    
94 >    strcpy(checkPointMsg, "Dump file opened for reading successfully.");
95 >    MPIcheckPoint();
96 >    
97 > #endif
98 >    
99 >    return;
100 >  }
101 >  
102 >  DumpReader::~DumpReader() {
103 >    
104 > #ifdef IS_MPI
105 >    
106 >    if (worldRank == 0) {
107 > #endif
108 >      
109 >      delete inFile_;
110 >      
111 > #ifdef IS_MPI
112 >      
113 >    }
114 >    
115 >    strcpy(checkPointMsg, "Dump file closed successfully.");
116 >    MPIcheckPoint();
117 >    
118 > #endif
119 >    
120 >    return;
121 >  }
122 >  
123 >  int DumpReader::getNFrames(void) {
124 >    
125 >    if (!isScanned_)
126 >      scanFile();
127 >    
128 >    return nframes_;
129 >  }
130 >  
131 >  void DumpReader::scanFile(void) {
132 >    int lineNo = 0;
133 >    std::streampos prevPos;
134 >    std::streampos  currPos;
135 >    
136 > #ifdef IS_MPI
137 >    
138 >    if (worldRank == 0) {
139 > #endif // is_mpi
140 >      
141 >      currPos = inFile_->tellg();
142 >      prevPos = currPos;
143 >      bool foundOpenSnapshotTag = false;
144 >      bool foundClosedSnapshotTag = false;
145 >      while(inFile_->getline(buffer, bufferSize)) {
146 >        ++lineNo;
147 >        
148 >        std::string line = buffer;
149 >        currPos = inFile_->tellg();
150 >        if (line.find("<Snapshot>")!= std::string::npos) {
151 >          if (foundOpenSnapshotTag) {
152 >            sprintf(painCave.errMsg,
153 >                    "DumpReader:<Snapshot> is multiply nested at line %d in %s \n", lineNo,
154 >                    filename_.c_str());
155 >            painCave.isFatal = 1;
156 >            simError();          
157 >          }
158 >          foundOpenSnapshotTag = true;
159 >          foundClosedSnapshotTag = false;
160 >          framePos_.push_back(prevPos);
161 >          
162 >        } else if (line.find("</Snapshot>") != std::string::npos){
163 >          if (!foundOpenSnapshotTag) {
164 >            sprintf(painCave.errMsg,
165 >                    "DumpReader:</Snapshot> appears before <Snapshot> at line %d in %s \n", lineNo,
166 >                    filename_.c_str());
167 >            painCave.isFatal = 1;
168 >            simError();
169 >          }
170 >          
171 >          if (foundClosedSnapshotTag) {
172 >            sprintf(painCave.errMsg,
173 >                    "DumpReader:</Snapshot> appears multiply nested at line %d in %s \n", lineNo,
174 >                    filename_.c_str());
175 >            painCave.isFatal = 1;
176 >            simError();
177 >          }
178 >          foundClosedSnapshotTag = true;
179 >          foundOpenSnapshotTag = false;
180          }
181 <
182 < #ifdef IS_MPI
183 <
184 <    }
185 <
186 <    strcpy(checkPointMsg, "Dump file opened for reading successfully.");
187 <    MPIcheckPoint();
188 <
189 < #endif
190 <
191 <    return;
192 < }
193 <
194 < DumpReader::~DumpReader() {
195 <
196 < #ifdef IS_MPI
197 <
198 <    if (worldRank == 0) {
199 < #endif
200 <
201 <        int error;
202 <        error = fclose(inFile_);
181 >        prevPos = currPos;
182 >      }
183 >      
184 >      // only found <Snapshot> for the last frame means the file is corrupted, we should discard
185 >      // it and give a warning message
186 >      if (foundOpenSnapshotTag) {
187 >        sprintf(painCave.errMsg,
188 >                "DumpReader: last frame in %s is invalid\n", filename_.c_str());
189 >        painCave.isFatal = 0;
190 >        simError();      
191 >        framePos_.pop_back();
192 >      }
193 >      
194 >      nframes_ = framePos_.size();
195 >      
196 >      if (nframes_ == 0) {
197 >        sprintf(painCave.errMsg,
198 >                "DumpReader: %s does not contain a valid frame\n", filename_.c_str());
199 >        painCave.isFatal = 1;
200 >        simError();      
201 >      }
202 > #ifdef IS_MPI
203 >    }
204 >    
205 >    MPI_Bcast(&nframes_, 1, MPI_INT, 0, MPI_COMM_WORLD);
206 >    
207 > #endif // is_mpi
208 >    
209 >    isScanned_ = true;
210 >  }
211 >  
212 >  void DumpReader::readFrame(int whichFrame) {
213 >    if (!isScanned_)
214 >      scanFile();
215 >        
216 >    int storageLayout = info_->getSnapshotManager()->getStorageLayout();
217 >    
218 >    if (storageLayout & DataStorage::dslPosition) {
219 >      needPos_ = true;
220 >    } else {
221 >      needPos_ = false;
222 >    }
223 >    
224 >    if (storageLayout & DataStorage::dslVelocity) {
225 >      needVel_ = true;
226 >    } else {
227 >      needVel_ = false;
228 >    }
229 >    
230 >    if (storageLayout & DataStorage::dslAmat || storageLayout & DataStorage::dslElectroFrame) {
231 >      needQuaternion_ = true;
232 >    } else {
233 >      needQuaternion_ = false;
234 >    }
235 >    
236 >    if (storageLayout & DataStorage::dslAngularMomentum) {
237 >      needAngMom_ = true;
238 >    } else {
239 >      needAngMom_ = false;    
240 >    }
241 >    
242 >    readSet(whichFrame);
243 >  }
244 >  
245 >  void DumpReader::readSet(int whichFrame) {    
246 >    std::string line;
247  
248 <        if (error) {
249 <            sprintf(painCave.errMsg, "Error closing %s\n", filename_.c_str());
250 <            painCave.isFatal = 1;            
251 <            simError();
248 > #ifndef IS_MPI
249 >
250 >    inFile_->clear();  
251 >    inFile_->seekg(framePos_[whichFrame]);
252 >
253 >    std::istream& inputStream = *inFile_;    
254 >
255 > #else
256 >    int masterNode = 0;
257 >    std::stringstream sstream;
258 >    if (worldRank == masterNode) {
259 >      std::string sendBuffer;
260 >
261 >      inFile_->clear();  
262 >      inFile_->seekg(framePos_[whichFrame]);
263 >      
264 >      while (inFile_->getline(buffer, bufferSize)) {
265 >
266 >        line = buffer;
267 >        sendBuffer += line;
268 >        sendBuffer += '\n';
269 >        if (line.find("</Snapshot>") != std::string::npos) {
270 >          break;
271 >        }        
272 >      }
273 >
274 >      int sendBufferSize = sendBuffer.size();
275 >      MPI_Bcast(&sendBufferSize, 1, MPI_INT, masterNode, MPI_COMM_WORLD);    
276 >      MPI_Bcast((void *)sendBuffer.c_str(), sendBufferSize, MPI_CHAR, masterNode, MPI_COMM_WORLD);    
277 >      
278 >      sstream.str(sendBuffer);
279 >    } else {
280 >      int sendBufferSize;
281 >      MPI_Bcast(&sendBufferSize, 1, MPI_INT, masterNode, MPI_COMM_WORLD);    
282 >      char * recvBuffer = new char[sendBufferSize+1];
283 >      MPI_Bcast(recvBuffer, sendBufferSize, MPI_CHAR, masterNode, MPI_COMM_WORLD);    
284 >      sstream.str(recvBuffer);
285 >    }      
286 >
287 >    std::istream& inputStream = sstream;  
288 > #endif
289 >
290 >    inputStream.getline(buffer, bufferSize);
291 >
292 >    line = buffer;
293 >    if (line.find("<Snapshot>") == std::string::npos) {
294 >      sprintf(painCave.errMsg,
295 >              "DumpReader Error: can not find <Snapshot>\n");
296 >      painCave.isFatal = 1;
297 >      simError();
298 >    }
299 >    
300 >    //read frameData
301 >    readFrameProperties(inputStream);
302 >
303 >    //read StuntDoubles
304 >    readStuntDoubles(inputStream);    
305 >
306 >    inputStream.getline(buffer, bufferSize);
307 >    line = buffer;
308 >    if (line.find("</Snapshot>") == std::string::npos) {
309 >      sprintf(painCave.errMsg,
310 >              "DumpReader Error: can not find </Snapshot>\n");
311 >      painCave.isFatal = 1;
312 >      simError();
313 >    }        
314 >  
315 >  }
316 >  
317 >  void DumpReader::parseDumpLine(const std::string& line) {
318 >
319 >      
320 >    StringTokenizer tokenizer(line);
321 >    int nTokens;
322 >    
323 >    nTokens = tokenizer.countTokens();
324 >    
325 >    if (nTokens < 2) {
326 >      sprintf(painCave.errMsg,
327 >              "DumpReader Error: Not enough Tokens.\n%s\n", line.c_str());
328 >      painCave.isFatal = 1;
329 >      simError();
330 >    }
331 >
332 >    int index = tokenizer.nextTokenAsInt();
333 >
334 >    StuntDouble* integrableObject = info_->getIOIndexToIntegrableObject(index);
335 >
336 >    if (integrableObject == NULL) {
337 >      return;
338 >    }
339 >    std::string type = tokenizer.nextToken();
340 >    int size = type.size();
341 >    for(int i = 0; i < size; ++i) {
342 >      switch(type[i]) {
343 >        
344 >        case 'p': {
345 >            Vector3d pos;
346 >            pos[0] = tokenizer.nextTokenAsDouble();
347 >            pos[1] = tokenizer.nextTokenAsDouble();
348 >            pos[2] = tokenizer.nextTokenAsDouble();
349 >            if (needPos_) {
350 >              integrableObject->setPos(pos);
351 >            }            
352 >            break;
353          }
354 +        case 'v' : {
355 +            Vector3d vel;
356 +            vel[0] = tokenizer.nextTokenAsDouble();
357 +            vel[1] = tokenizer.nextTokenAsDouble();
358 +            vel[2] = tokenizer.nextTokenAsDouble();
359 +            if (needVel_) {
360 +              integrableObject->setVel(vel);
361 +            }
362 +            break;
363 +        }
364  
365 <        MemoryUtils::deleteVectorOfPointer(framePos_);
365 >        case 'q' : {
366 >           Quat4d q;
367 >           if (integrableObject->isDirectional()) {
368 >              
369 >             q[0] = tokenizer.nextTokenAsDouble();
370 >             q[1] = tokenizer.nextTokenAsDouble();
371 >             q[2] = tokenizer.nextTokenAsDouble();
372 >             q[3] = tokenizer.nextTokenAsDouble();
373 >              
374 >             RealType qlen = q.length();
375 >             if (qlen < oopse::epsilon) { //check quaternion is not equal to 0
376 >                
377 >               sprintf(painCave.errMsg,
378 >                       "DumpReader Error: initial quaternion error (q0^2 + q1^2 + q2^2 + q3^2) ~ 0\n");
379 >               painCave.isFatal = 1;
380 >               simError();
381 >                
382 >             }  
383 >              
384 >             q.normalize();
385 >             if (needQuaternion_) {            
386 >               integrableObject->setQ(q);
387 >             }              
388 >           }            
389 >           break;
390 >        }  
391 >        case 'j' : {
392 >          Vector3d ji;
393 >          if (integrableObject->isDirectional()) {
394 >             ji[0] = tokenizer.nextTokenAsDouble();
395 >             ji[1] = tokenizer.nextTokenAsDouble();
396 >             ji[2] = tokenizer.nextTokenAsDouble();
397 >             if (needAngMom_) {
398 >               integrableObject->setJ(ji);
399 >             }
400 >          }
401 >        }  
402 >        case 'f': {
403  
404 < #ifdef IS_MPI
404 >          Vector3d force;
405 >          force[0] = tokenizer.nextTokenAsDouble();
406 >          force[1] = tokenizer.nextTokenAsDouble();
407 >          force[2] = tokenizer.nextTokenAsDouble();          
408 >          integrableObject->setFrc(force);
409 >          break;
410 >        }
411 >        case 't' : {
412  
413 +           Vector3d torque;
414 +           torque[0] = tokenizer.nextTokenAsDouble();
415 +           torque[1] = tokenizer.nextTokenAsDouble();
416 +           torque[2] = tokenizer.nextTokenAsDouble();          
417 +           integrableObject->setTrq(torque);          
418 +           break;
419 +        }
420 +        default: {
421 +               sprintf(painCave.errMsg,
422 +                       "DumpReader Error: %s is an unrecognized type\n", type.c_str());
423 +               painCave.isFatal = 1;
424 +               simError();
425 +          break;  
426 +        }
427 +
428 +      }
429      }
430 +    
431 +  }
432 +  
433  
434 <    strcpy(checkPointMsg, "Dump file closed successfully.");
123 <    MPIcheckPoint();
434 >  void  DumpReader::readStuntDoubles(std::istream& inputStream) {
435  
436 < #endif
436 >    inputStream.getline(buffer, bufferSize);
437 >    std::string line(buffer);
438 >    
439 >    if (line.find("<StuntDoubles>") == std::string::npos) {
440 >      sprintf(painCave.errMsg,
441 >              "DumpReader Error: Missing <StuntDoubles>\n");
442 >      painCave.isFatal = 1;
443 >      simError();
444 >    }
445  
446 <    return;
447 < }
446 >    while(inputStream.getline(buffer, bufferSize)) {
447 >      line = buffer;
448 >      
449 >      if(line.find("</StuntDoubles>") != std::string::npos) {
450 >        break;
451 >      }
452  
453 < int DumpReader::getNFrames(void) {
453 >      parseDumpLine(line);
454 >    }
455 >  
456 >  }
457  
458 <    if (!isScanned_)
459 <        scanFile();
460 <
461 <    return nframes_;
462 < }
463 <
464 < void DumpReader::scanFile(void) {
465 <  int i, j;
466 <  int lineNum = 0;
467 <  char readBuffer[maxBufferSize];
468 <  fpos_t * currPos;
143 <
144 < #ifdef IS_MPI
145 <
146 <    if (worldRank == 0) {
147 < #endif // is_mpi
148 <
149 <        rewind(inFile_);
150 <
151 <        currPos = new fpos_t;
152 <        fgetpos(inFile_, currPos);
153 <        fgets(readBuffer, sizeof(readBuffer), inFile_);
154 <        lineNum++;
155 <
156 <        if (feof(inFile_)) {
157 <            sprintf(painCave.errMsg,
158 <                    "File \"%s\" ended unexpectedly at line %d\n",
159 <                    filename_.c_str(),
160 <                    lineNum);
161 <            painCave.isFatal = 1;
162 <            simError();
163 <        }
164 <
165 <        while (!feof(inFile_)) {
166 <            framePos_.push_back(currPos);
167 <
168 <            i = atoi(readBuffer);
169 <
170 <            fgets(readBuffer, sizeof(readBuffer), inFile_);
171 <            lineNum++;
172 <
173 <            if (feof(inFile_)) {
174 <                sprintf(painCave.errMsg,
175 <                        "File \"%s\" ended unexpectedly at line %d\n",
176 <                        filename_.c_str(),
177 <                        lineNum);
178 <                painCave.isFatal = 1;
179 <                simError();
180 <            }
181 <
182 <            for(j = 0; j < i; j++) {
183 <                fgets(readBuffer, sizeof(readBuffer), inFile_);
184 <                lineNum++;
185 <
186 <                if (feof(inFile_)) {
187 <                    sprintf(painCave.errMsg,
188 <                            "File \"%s\" ended unexpectedly at line %d,"
189 <                                " with atom %d\n", filename_.c_str(),
190 <                            lineNum,
191 <                            j);
192 <
193 <                    painCave.isFatal = 1;
194 <                    simError();
195 <                }
196 <            }
197 <
198 <            currPos = new fpos_t;
199 <            fgetpos(inFile_, currPos);
200 <            fgets(readBuffer, sizeof(readBuffer), inFile_);
201 <            lineNum++;
202 <        }
203 <
204 <        delete currPos;
205 <        rewind(inFile_);
206 <        
207 <        nframes_ = framePos_.size();
208 < #ifdef IS_MPI
458 >  void DumpReader::readFrameProperties(std::istream& inputStream) {
459 >
460 >    Snapshot* s = info_->getSnapshotManager()->getCurrentSnapshot();
461 >    inputStream.getline(buffer, bufferSize);
462 >    std::string line(buffer);
463 >
464 >    if (line.find("<FrameData>") == std::string::npos) {
465 >      sprintf(painCave.errMsg,
466 >              "DumpReader Error: Missing <FrameData>\n");
467 >      painCave.isFatal = 1;
468 >      simError();
469      }
470  
471 <    MPI_Bcast(&nframes_, 1, MPI_INT, 0, MPI_COMM_WORLD);
471 >    while(inputStream.getline(buffer, bufferSize)) {
472 >      line = buffer;
473 >      
474 >      if(line.find("</FrameData>") != std::string::npos) {
475 >        break;
476 >      }
477 >      
478 >      StringTokenizer tokenizer(line, " ;\t\n\r{}:,");
479 >      if (!tokenizer.hasMoreTokens()) {
480 >        sprintf(painCave.errMsg,
481 >                "DumpReader Error: Not enough Tokens.\n%s\n", line.c_str());
482 >        painCave.isFatal = 1;
483 >        simError();      
484 >      }
485  
486 <    strcpy(checkPointMsg, "Successfully scanned DumpFile\n");
487 <    MPIcheckPoint();
488 <
489 < #endif // is_mpi
490 <
491 <    isScanned_ = true;
492 < }
493 <
494 < void DumpReader::readFrame(int whichFrame) {
495 <    readSet(whichFrame);
496 < }
497 <
498 < void DumpReader::readSet(int whichFrame) {
499 <  int i;
500 <  int nTotObjs;                  // the number of atoms
501 <  char read_buffer[maxBufferSize];  //the line buffer for reading
502 <  char * eof_test;               // ptr to see when we reach the end of the file
503 <
504 <  Molecule* mol;
505 <  StuntDouble* integrableObject;
506 <  SimInfo::MoleculeIterator mi;
507 <  Molecule::IntegrableObjectIterator ii;
508 <
509 < #ifndef IS_MPI
510 <
511 <    fsetpos(inFile_, framePos_[whichFrame]);
512 <    eof_test = fgets(read_buffer, sizeof(read_buffer), inFile_);
513 <
514 <    if (eof_test == NULL) {
515 <        sprintf(painCave.errMsg,
516 <                "DumpReader error: error reading 1st line of \"%s\"\n",
517 <                filename_.c_str());
518 <        painCave.isFatal = 1;
519 <        simError();
486 >      std::string propertyName = tokenizer.nextToken();
487 >      if (propertyName == "Time") {
488 >        RealType currTime = tokenizer.nextTokenAsDouble();
489 >        s->setTime(currTime);
490 >      } else if (propertyName == "Hmat"){
491 >        Mat3x3d hmat;
492 >        hmat(0, 0) = tokenizer.nextTokenAsDouble();
493 >        hmat(0, 1) = tokenizer.nextTokenAsDouble();
494 >        hmat(0, 2) = tokenizer.nextTokenAsDouble();
495 >        hmat(1, 0) = tokenizer.nextTokenAsDouble();
496 >        hmat(1, 1) = tokenizer.nextTokenAsDouble();
497 >        hmat(1, 2) = tokenizer.nextTokenAsDouble();
498 >        hmat(2, 0) = tokenizer.nextTokenAsDouble();
499 >        hmat(2, 1) = tokenizer.nextTokenAsDouble();
500 >        hmat(2, 2) = tokenizer.nextTokenAsDouble();
501 >        s->setHmat(hmat);      
502 >      } else if (propertyName == "Thermostat") {
503 >        RealType chi = tokenizer.nextTokenAsDouble();
504 >        RealType integralOfChiDt = tokenizer.nextTokenAsDouble();
505 >        s->setChi(chi);
506 >        s->setIntegralOfChiDt(integralOfChiDt);        
507 >     } else if (propertyName == "Barostat") {
508 >        Mat3x3d eta;
509 >        eta(0, 0) = tokenizer.nextTokenAsDouble();
510 >        eta(0, 1) = tokenizer.nextTokenAsDouble();
511 >        eta(0, 2) = tokenizer.nextTokenAsDouble();
512 >        eta(1, 0) = tokenizer.nextTokenAsDouble();
513 >        eta(1, 1) = tokenizer.nextTokenAsDouble();
514 >        eta(1, 2) = tokenizer.nextTokenAsDouble();
515 >        eta(2, 0) = tokenizer.nextTokenAsDouble();
516 >        eta(2, 1) = tokenizer.nextTokenAsDouble();
517 >        eta(2, 2) = tokenizer.nextTokenAsDouble();
518 >        s->setEta(eta);
519 >      } else {
520 >        sprintf(painCave.errMsg,
521 >                "DumpReader Error: %s is an invalid property in <FrameData>\n", propertyName.c_str());
522 >        painCave.isFatal = 0;
523 >        simError();        
524 >      }
525 >      
526      }
527  
528 <    nTotObjs = atoi(read_buffer);
528 >  }
529  
530 <    if (nTotObjs != info_->getNGlobalIntegrableObjects()) {
531 <        sprintf(painCave.errMsg,
253 <                "DumpReader error. %s nIntegrable, %d, "
254 <                    "does not match the meta-data file's nIntegrable, %d.\n",
255 <                filename_.c_str(),
256 <                nTotObjs,
257 <                info_->getNIntegrableObjects());
258 <
259 <        painCave.isFatal = 1;
260 <        simError();
261 <    }
262 <
263 <    //read the box mat from the comment line
264 <
265 <    eof_test = fgets(read_buffer, sizeof(read_buffer), inFile_);
266 <
267 <    if (eof_test == NULL) {
268 <        sprintf(painCave.errMsg, "error in reading commment in %s\n",
269 <                filename_.c_str());
270 <        painCave.isFatal = 1;
271 <        simError();
272 <    }
273 <
274 <    parseCommentLine(read_buffer, info_->getSnapshotManager()->getCurrentSnapshot());
275 <
276 <    //parse dump lines
277 <
278 <    for (mol = info_->beginMolecule(mi); mol != NULL; mol = info_->nextMolecule(mi)) {
279 <
280 <        for (integrableObject = mol->beginIntegrableObject(ii); integrableObject != NULL;
281 <            integrableObject = mol->nextIntegrableObject(ii)) {          
282 <
283 <            eof_test = fgets(read_buffer, sizeof(read_buffer), inFile_);
284 <
285 <            if (eof_test == NULL) {
286 <                sprintf(painCave.errMsg,
287 <                        "error in reading file %s\n"
288 <                            "natoms  = %d; index = %d\n"
289 <                            "error reading the line from the file.\n",
290 <                        filename_.c_str(),
291 <                        nTotObjs,
292 <                        i);
293 <
294 <                painCave.isFatal = 1;
295 <                simError();
296 <            }
297 <
298 <            parseDumpLine(read_buffer, integrableObject);
299 <            
300 <            }
301 <    }
302 <
303 <    // MPI Section of code..........
304 <
305 < #else //IS_MPI
306 <
307 <    // first thing first, suspend fatalities.
308 <    int masterNode = 0;
309 <    int nCurObj;
310 <    painCave.isEventLoop = 1;
311 <
312 <    int myStatus; // 1 = wakeup & success; 0 = error; -1 = AllDone
313 <    int haveError;
314 <
315 <    MPI_Status istatus;
316 <    int nitems;
317 <
318 <    nTotObjs = info_->getNGlobalIntegrableObjects();
319 <    haveError = 0;
320 <
321 <    if (worldRank == masterNode) {
322 <        fsetpos(inFile_, framePos_[whichFrame]);
323 <
324 <        eof_test = fgets(read_buffer, sizeof(read_buffer), inFile_);
325 <
326 <        if (eof_test == NULL) {
327 <            sprintf(painCave.errMsg, "Error reading 1st line of %s \n ",
328 <                    filename_.c_str());
329 <            painCave.isFatal = 1;
330 <            simError();
331 <        }
332 <
333 <        nitems = atoi(read_buffer);
334 <
335 <        // Check to see that the number of integrable objects in the
336 <        // intial configuration file is the same as derived from the
337 <        // meta-data file.
338 <
339 <        if (nTotObjs != nitems) {
340 <            sprintf(painCave.errMsg,
341 <                    "DumpReader Error. %s nIntegrable, %d, "
342 <                        "does not match the meta-data file's nIntegrable, %d.\n",
343 <                    filename_.c_str(),
344 <                    nTotObjs,
345 <                    info_->getNGlobalIntegrableObjects());
346 <
347 <            painCave.isFatal = 1;
348 <            simError();
349 <        }
350 <
351 <        //read the boxMat from the comment line
352 <
353 <        eof_test = fgets(read_buffer, sizeof(read_buffer), inFile_);
354 <
355 <        if (eof_test == NULL) {
356 <            sprintf(painCave.errMsg, "error in reading commment in %s\n",
357 <                    filename_.c_str());
358 <            painCave.isFatal = 1;
359 <            simError();
360 <        }
361 <
362 <        //Every single processor will parse the comment line by itself
363 <        //By using this way, we might lose some efficiency, but if we want to add
364 <        //more parameters into comment line, we only need to modify function
365 <        //parseCommentLine
366 <
367 <        MPI_Bcast(read_buffer, maxBufferSize, MPI_CHAR, masterNode, MPI_COMM_WORLD);
368 <        parseCommentLine(read_buffer, info_->getSnapshotManager()->getCurrentSnapshot());
369 <
370 <        for(i = 0; i < info_->getNGlobalMolecules(); i++) {
371 <            int which_node = info_->getMolToProc(i);
372 <
373 <            if (which_node == masterNode) {
374 <                //molecules belong to master node
375 <
376 <                mol = info_->getMoleculeByGlobalIndex(i);
377 <
378 <                if (mol == NULL) {
379 <                    sprintf(painCave.errMsg, "Molecule not found on node %d!", worldRank);
380 <                        painCave.isFatal = 1;
381 <                    simError();
382 <                }
383 <
384 <                for (integrableObject = mol->beginIntegrableObject(ii); integrableObject != NULL;
385 <                       integrableObject = mol->nextIntegrableObject(ii)){
386 <                        
387 <                    eof_test = fgets(read_buffer, sizeof(read_buffer), inFile_);
388 <
389 <                    if (eof_test == NULL) {
390 <                        sprintf(painCave.errMsg,
391 <                                "error in reading file %s\n"
392 <                                    "natoms  = %d; index = %d\n"
393 <                                    "error reading the line from the file.\n",
394 <                                filename_.c_str(),
395 <                                nTotObjs,
396 <                                i);
397 <
398 <                        painCave.isFatal = 1;
399 <                        simError();
400 <                    }
401 <
402 <                    parseDumpLine(read_buffer, integrableObject);
403 <                }
404 <            } else {
405 <                //molecule belongs to slave nodes
406 <
407 <                MPI_Recv(&nCurObj, 1, MPI_INT, which_node, TAKE_THIS_TAG_INT,
408 <                         MPI_COMM_WORLD, &istatus);
409 <
410 <                for(int j = 0; j < nCurObj; j++) {
411 <                    eof_test = fgets(read_buffer, sizeof(read_buffer), inFile_);
412 <
413 <                    if (eof_test == NULL) {
414 <                        sprintf(painCave.errMsg,
415 <                                "error in reading file %s\n"
416 <                                    "natoms  = %d; index = %d\n"
417 <                                    "error reading the line from the file.\n",
418 <                                filename_.c_str(),
419 <                                nTotObjs,
420 <                                i);
421 <
422 <                        painCave.isFatal = 1;
423 <                        simError();
424 <                    }
425 <                    
426 <                    MPI_Send(read_buffer, maxBufferSize, MPI_CHAR, which_node,
427 <                             TAKE_THIS_TAG_CHAR, MPI_COMM_WORLD);
428 <                }
429 <            }
430 <        }
431 <    } else {
432 <        //actions taken at slave nodes
433 <        MPI_Bcast(read_buffer, maxBufferSize, MPI_CHAR, masterNode, MPI_COMM_WORLD);
434 <
435 <        /**@todo*/
436 <        parseCommentLine(read_buffer, info_->getSnapshotManager()->getCurrentSnapshot());
437 <
438 <        for(i = 0; i < info_->getNGlobalMolecules(); i++) {
439 <            int which_node = info_->getMolToProc(i);
440 <
441 <            if (which_node == worldRank) {
442 <                //molecule with global index i belongs to this processor
443 <                
444 <                mol = info_->getMoleculeByGlobalIndex(i);
445 <                if (mol == NULL) {
446 <                    sprintf(painCave.errMsg, "Molecule not found on node %d!", worldRank);
447 <                    painCave.isFatal = 1;
448 <                    simError();
449 <                }
450 <                
451 <                nCurObj = mol->getNIntegrableObjects();
452 <
453 <                MPI_Send(&nCurObj, 1, MPI_INT, masterNode, TAKE_THIS_TAG_INT,
454 <                         MPI_COMM_WORLD);
455 <
456 <                for (integrableObject = mol->beginIntegrableObject(ii); integrableObject != NULL;
457 <                       integrableObject = mol->nextIntegrableObject(ii)){
458 <                        
459 <                    MPI_Recv(read_buffer, maxBufferSize, MPI_CHAR, masterNode,
460 <                             TAKE_THIS_TAG_CHAR, MPI_COMM_WORLD, &istatus);
461 <
462 <                    parseDumpLine(read_buffer, integrableObject);
463 <                }
464 <                      
465 <            }
466 <            
467 <        }
468 <        
469 <    }
470 <
471 < #endif
472 <
473 < }
474 <
475 < void DumpReader::parseDumpLine(char *line, StuntDouble *integrableObject) {
476 <
477 <    Vector3d pos;  // position place holders
478 <    Vector3d vel;  // velocity placeholders
479 <    Quat4d q;    // the quaternions
480 <    Vector3d ji;   // angular velocity placeholders;
481 <    StringTokenizer tokenizer(line);
482 <    int nTokens;
483 <    
484 <    nTokens = tokenizer.countTokens();
485 <
486 <    if (nTokens < 14) {
487 <            sprintf(painCave.errMsg,
488 <                    "Not enough Tokens.\n");
489 <            painCave.isFatal = 1;
490 <            simError();
491 <    }
492 <
493 <    std::string name = tokenizer.nextToken();
494 <
495 <    if (name != integrableObject->getType()) {
496 <        
497 <    }
498 <
499 <    pos[0] = tokenizer.nextTokenAsDouble();
500 <    pos[1] = tokenizer.nextTokenAsDouble();
501 <    pos[2] = tokenizer.nextTokenAsDouble();
502 <    integrableObject->setPos(pos);
503 <    
504 <    vel[0] = tokenizer.nextTokenAsDouble();
505 <    vel[1] = tokenizer.nextTokenAsDouble();
506 <    vel[2] = tokenizer.nextTokenAsDouble();
507 <    integrableObject->setVel(vel);
508 <
509 <    if (integrableObject->isDirectional()) {
510 <        
511 <        q[0] = tokenizer.nextTokenAsDouble();
512 <        q[1] = tokenizer.nextTokenAsDouble();
513 <        q[2] = tokenizer.nextTokenAsDouble();
514 <        q[3] = tokenizer.nextTokenAsDouble();
515 <
516 <        double qlen = q.length();
517 <        if (qlen < oopse::epsilon) { //check quaternion is not equal to 0
518 <            
519 <            sprintf(painCave.errMsg,
520 <                    "initial quaternion error (q0^2 + q1^2 + q2^2 + q3^2 ~ 0).\n");
521 <            painCave.isFatal = 1;
522 <            simError();
523 <            
524 <        }
525 <
526 <        q.normalize();
527 <              
528 <        integrableObject->setQ(q);
529 <        
530 <        ji[0] = tokenizer.nextTokenAsDouble();
531 <        ji[1] = tokenizer.nextTokenAsDouble();
532 <        ji[2] = tokenizer.nextTokenAsDouble();
533 <        integrableObject->setJ(ji);
534 <    }
535 <
536 < }
537 <
538 <
539 < void DumpReader::parseCommentLine(char* line, Snapshot* s) {
540 <    double currTime;
541 <    Mat3x3d hmat;
542 <    double chi;
543 <    double integralOfChiDt;
544 <    Mat3x3d eta;
545 <
546 <    StringTokenizer tokenizer(line);
547 <    int nTokens;
548 <
549 <    nTokens = tokenizer.countTokens();
550 <
551 <    //comment line should at least contain 10 tokens: current time(1 token) and  h-matrix(9 tokens)
552 <    if (nTokens < 10) {
553 <            sprintf(painCave.errMsg,
554 <                    "Not enough tokens in comment line: %s", line);
555 <            painCave.isFatal = 1;
556 <            simError();  
557 <    }
558 <
559 <    //read current time
560 <    currTime = tokenizer.nextTokenAsDouble();
561 <    s->setTime(currTime);
562 <    
563 <    //read h-matrix
564 <    hmat(0, 0) = tokenizer.nextTokenAsDouble();
565 <    hmat(0, 1) = tokenizer.nextTokenAsDouble();
566 <    hmat(0, 2) = tokenizer.nextTokenAsDouble();
567 <    hmat(1, 0) = tokenizer.nextTokenAsDouble();
568 <    hmat(1, 1) = tokenizer.nextTokenAsDouble();
569 <    hmat(1, 2) = tokenizer.nextTokenAsDouble();
570 <    hmat(2, 0) = tokenizer.nextTokenAsDouble();
571 <    hmat(2, 1) = tokenizer.nextTokenAsDouble();
572 <    hmat(2, 2) = tokenizer.nextTokenAsDouble();
573 <    s->setHmat(hmat);
574 <    
575 <    //read chi and integrablOfChidt, they should apprear in pair
576 <    if (tokenizer.countTokens() >= 2) {
577 <        chi = tokenizer.nextTokenAsDouble();
578 <        integralOfChiDt = tokenizer.nextTokenAsDouble();            
579 <
580 <        s->setChi(chi);
581 <        s->setIntegralOfChiDt(integralOfChiDt);
582 <    }
583 <    
584 <    //read eta (eta is 3x3 matrix)
585 <    if (tokenizer.countTokens() >= 9) {
586 <        eta(0, 0) = tokenizer.nextTokenAsDouble();
587 <        eta(0, 1) = tokenizer.nextTokenAsDouble();
588 <        eta(0, 2) = tokenizer.nextTokenAsDouble();
589 <        eta(1, 0) = tokenizer.nextTokenAsDouble();
590 <        eta(1, 1) = tokenizer.nextTokenAsDouble();
591 <        eta(1, 2) = tokenizer.nextTokenAsDouble();
592 <        eta(2, 0) = tokenizer.nextTokenAsDouble();
593 <        eta(2, 1) = tokenizer.nextTokenAsDouble();
594 <        eta(2, 2) = tokenizer.nextTokenAsDouble();      
595 <
596 <        s->setEta(eta);
597 <    }
598 <
599 <    
600 < }
601 <
602 < }//end namespace oopse
530 >  
531 > }//end namespace oopse

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