ViewVC Help
View File | Revision Log | Show Annotations | View Changeset | Root Listing
root/OpenMD/branches/development/src/io/DumpReader.cpp
(Generate patch)

Comparing:
trunk/src/io/DumpReader.cpp (file contents), Revision 507 by gezelter, Fri Apr 15 22:04:00 2005 UTC vs.
branches/development/src/io/DumpReader.cpp (file contents), Revision 1665 by gezelter, Tue Nov 22 20:38:56 2011 UTC

# Line 1 | Line 1
1   /*
2 < * Copyright (c) 2005 The University of Notre Dame. All Rights Reserved.
2 > * Copyright (c) 2009 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
9 > * 1. Redistributions of source code must retain the above copyright
10   *    notice, this list of conditions and the following disclaimer.
11   *
12 < * 3. Redistributions in binary form must reproduce the above copyright
12 > * 2. Redistributions in binary form must reproduce the above copyright
13   *    notice, this list of conditions and the following disclaimer in the
14   *    documentation and/or other materials provided with the
15   *    distribution.
# Line 37 | Line 28
28   * arising out of the use of or inability to use software, even if the
29   * University of Notre Dame has been advised of the possibility of
30   * such damages.
31 + *
32 + * SUPPORT OPEN SCIENCE!  If you use OpenMD or its source code in your
33 + * research, please cite the appropriate papers when you publish your
34 + * work.  Good starting points are:
35 + *                                                                      
36 + * [1]  Meineke, et al., J. Comp. Chem. 26, 252-271 (2005).            
37 + * [2]  Fennell & Gezelter, J. Chem. Phys. 124, 234104 (2006).          
38 + * [3]  Sun, Lin & Gezelter, J. Chem. Phys. 128, 24107 (2008).          
39 + * [4]  Kuang & Gezelter,  J. Chem. Phys. 133, 164101 (2010).
40 + * [5]  Vardeman, Stocker & Gezelter, J. Chem. Theory Comput. 7, 834 (2011).
41   */
41
42 #define _LARGEFILE_SOURCE64
43 #define _FILE_OFFSET_BITS 64
44
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 {
42    
43 <  DumpReader::DumpReader(SimInfo* info, const std::string& filename)
44 <    : info_(info), filename_(filename), isScanned_(false), nframes_(0) {
43 > #define _LARGEFILE_SOURCE64
44 > #define _FILE_OFFSET_BITS 64
45 >
46 > #include <sys/types.h>
47 > #include <sys/stat.h>
48 >
49 > #include <iostream>
50 > #include <math.h>
51 >
52 > #include <stdio.h>
53 > #include <stdlib.h>
54 > #include <string.h>
55 >
56 > #include "io/DumpReader.hpp"
57 > #include "primitives/Molecule.hpp"
58 > #include "utils/simError.h"
59 > #include "utils/MemoryUtils.hpp"
60 > #include "utils/StringTokenizer.hpp"
61 >
62 > #ifdef IS_MPI
63 >
64 > #include <mpi.h>
65 > #define TAKE_THIS_TAG_CHAR 0
66 > #define TAKE_THIS_TAG_INT 1
67 >
68 > #endif // is_mpi
69 >
70 >
71 > namespace OpenMD {
72 >  
73 >  DumpReader::DumpReader(SimInfo* info, const std::string& filename)
74 >    : info_(info), filename_(filename), isScanned_(false), nframes_(0), needCOMprops_(false) {
75      
76 < #ifdef IS_MPI
76 > #ifdef IS_MPI
77      
78 <      if (worldRank == 0) {
79 < #endif
78 >    if (worldRank == 0) {
79 > #endif
80        
81 <        inFile_ = fopen(filename_.c_str(), "r");
81 >      inFile_ = new std::ifstream(filename_.c_str());
82        
83 <        if (inFile_ == NULL) {
84 <          sprintf(painCave.errMsg, "DumpReader: Cannot open file: %s\n", filename_.c_str());
85 <          painCave.isFatal = 1;
86 <          simError();
87 <        }
83 >      if (inFile_->fail()) {
84 >        sprintf(painCave.errMsg,
85 >                "DumpReader: Cannot open file: %s\n",
86 >                filename_.c_str());
87 >        painCave.isFatal = 1;
88 >        simError();
89 >      }
90        
91 < #ifdef IS_MPI
91 > #ifdef IS_MPI
92        
93 <      }
93 >    }
94      
95 <      strcpy(checkPointMsg, "Dump file opened for reading successfully.");
96 <      MPIcheckPoint();
95 >    strcpy(checkPointMsg, "Dump file opened for reading successfully.");
96 >    errorCheckPoint();
97      
98 < #endif
98 > #endif
99      
100 <      return;
101 <    }
100 >    return;
101 >  }
102    
103 <  DumpReader::~DumpReader() {
103 >  DumpReader::~DumpReader() {
104      
105 < #ifdef IS_MPI
105 > #ifdef IS_MPI
106      
107 <    if (worldRank == 0) {
108 < #endif
107 >    if (worldRank == 0) {
108 > #endif
109        
110 <      int error;
108 <      error = fclose(inFile_);
110 >      delete inFile_;
111        
112 <      if (error) {
111 <        sprintf(painCave.errMsg, "DumpReader Error: Error closing %s\n", filename_.c_str());
112 <        painCave.isFatal = 1;            
113 <        simError();
114 <      }
112 > #ifdef IS_MPI
113        
114 <      MemoryUtils::deletePointers(framePos_);
117 <      
118 < #ifdef IS_MPI
119 <      
120 <    }
114 >    }
115      
116 <    strcpy(checkPointMsg, "Dump file closed successfully.");
117 <    MPIcheckPoint();
116 >    strcpy(checkPointMsg, "Dump file closed successfully.");
117 >    errorCheckPoint();
118      
119 < #endif
119 > #endif
120      
121 <    return;
122 <  }
121 >    return;
122 >  }
123    
124 <  int DumpReader::getNFrames(void) {
124 >  int DumpReader::getNFrames(void) {
125 >    
126 >    if (!isScanned_)
127 >      scanFile();
128 >    
129 >    return nframes_;
130 >  }
131 >  
132 >  void DumpReader::scanFile(void) {
133 >    int lineNo = 0;
134 >    std::streampos prevPos;
135 >    std::streampos  currPos;
136      
137 <    if (!isScanned_)
133 <      scanFile();
137 > #ifdef IS_MPI
138      
139 <    return nframes_;
140 <  }
137 <  
138 <  void DumpReader::scanFile(void) {
139 <    int i, j;
140 <    int lineNum = 0;
141 <    char readBuffer[maxBufferSize];
142 <    fpos_t * currPos;
143 <    
144 < #ifdef IS_MPI
145 <    
146 <    if (worldRank == 0) {
147 < #endif // is_mpi
139 >    if (worldRank == 0) {
140 > #endif // is_mpi
141        
142 <      rewind(inFile_);
143 <      
144 <      currPos = new fpos_t;
145 <      fgetpos(inFile_, currPos);
146 <      fgets(readBuffer, sizeof(readBuffer), inFile_);
147 <      lineNum++;
155 <      
156 <      if (feof(inFile_)) {
157 <        sprintf(painCave.errMsg,
158 <                "DumpReader Error: 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);
142 >      currPos = inFile_->tellg();
143 >      prevPos = currPos;
144 >      bool foundOpenSnapshotTag = false;
145 >      bool foundClosedSnapshotTag = false;
146 >      while(inFile_->getline(buffer, bufferSize)) {
147 >        ++lineNo;
148          
149 <        i = atoi(readBuffer);
150 <        
151 <        fgets(readBuffer, sizeof(readBuffer), inFile_);
152 <        lineNum++;
153 <        
154 <        if (feof(inFile_)) {
155 <          sprintf(painCave.errMsg,
156 <                  "DumpReader Error: File \"%s\" ended unexpectedly at line %d\n",
157 <                  filename_.c_str(),
158 <                  lineNum);
159 <          painCave.isFatal = 1;
160 <          simError();
161 <        }
181 <        
182 <        for(j = 0; j < i; j++) {
183 <          fgets(readBuffer, sizeof(readBuffer), inFile_);
184 <          lineNum++;
149 >        std::string line = buffer;
150 >        currPos = inFile_->tellg();
151 >        if (line.find("<Snapshot>")!= std::string::npos) {
152 >          if (foundOpenSnapshotTag) {
153 >            sprintf(painCave.errMsg,
154 >                    "DumpReader:<Snapshot> is multiply nested at line %d in %s \n", lineNo,
155 >                    filename_.c_str());
156 >            painCave.isFatal = 1;
157 >            simError();          
158 >          }
159 >          foundOpenSnapshotTag = true;
160 >          foundClosedSnapshotTag = false;
161 >          framePos_.push_back(prevPos);
162            
163 <          if (feof(inFile_)) {
164 <            sprintf(painCave.errMsg,
165 <                    "DumpReader Error: File \"%s\" ended unexpectedly at line %d,"
166 <                    " with atom %d\n", filename_.c_str(),
167 <                    lineNum,
168 <                    j);
169 <            
193 <            painCave.isFatal = 1;
194 <            simError();
163 >        } else if (line.find("</Snapshot>") != std::string::npos){
164 >          if (!foundOpenSnapshotTag) {
165 >            sprintf(painCave.errMsg,
166 >                    "DumpReader:</Snapshot> appears before <Snapshot> at line %d in %s \n", lineNo,
167 >                    filename_.c_str());
168 >            painCave.isFatal = 1;
169 >            simError();
170            }
171 +          
172 +          if (foundClosedSnapshotTag) {
173 +            sprintf(painCave.errMsg,
174 +                    "DumpReader:</Snapshot> appears multiply nested at line %d in %s \n", lineNo,
175 +                    filename_.c_str());
176 +            painCave.isFatal = 1;
177 +            simError();
178 +          }
179 +          foundClosedSnapshotTag = true;
180 +          foundOpenSnapshotTag = false;
181          }
182 <        
198 <        currPos = new fpos_t;
199 <        fgetpos(inFile_, currPos);
200 <        fgets(readBuffer, sizeof(readBuffer), inFile_);
201 <        lineNum++;
182 >        prevPos = currPos;
183        }
184        
185 <      delete currPos;
186 <      rewind(inFile_);
185 >      // only found <Snapshot> for the last frame means the file is corrupted, we should discard
186 >      // it and give a warning message
187 >      if (foundOpenSnapshotTag) {
188 >        sprintf(painCave.errMsg,
189 >                "DumpReader: last frame in %s is invalid\n", filename_.c_str());
190 >        painCave.isFatal = 0;
191 >        simError();      
192 >        framePos_.pop_back();
193 >      }
194        
195 <      nframes_ = framePos_.size();
208 < #ifdef IS_MPI
209 <    }
210 <    
211 <    MPI_Bcast(&nframes_, 1, MPI_INT, 0, MPI_COMM_WORLD);
212 <    
213 <    strcpy(checkPointMsg, "Successfully scanned DumpFile\n");
214 <    MPIcheckPoint();
215 <    
216 < #endif // is_mpi
217 <    
218 <    isScanned_ = true;
219 <  }
220 <  
221 <  void DumpReader::readFrame(int whichFrame) {
222 <    int storageLayout = info_->getSnapshotManager()->getStorageLayout();
223 <    
224 <    if (storageLayout & DataStorage::dslPosition) {
225 <      needPos_ = true;
226 <    } else {
227 <      needPos_ = false;
228 <    }
229 <    
230 <    if (storageLayout & DataStorage::dslVelocity) {
231 <      needVel_ = true;
232 <    } else {
233 <      needVel_ = false;
234 <    }
235 <    
236 <    if (storageLayout & DataStorage::dslAmat || storageLayout & DataStorage::dslElectroFrame) {
237 <      needQuaternion_ = true;
238 <    } else {
239 <      needQuaternion_ = false;
240 <    }
241 <    
242 <    if (storageLayout & DataStorage::dslAngularMomentum) {
243 <      needAngMom_ = true;
244 <    } else {
245 <      needAngMom_ = false;    
246 <    }
247 <    
248 <    readSet(whichFrame);
249 <  }
250 <  
251 <  void DumpReader::readSet(int whichFrame) {
252 <    int i;
253 <    int nTotObjs;                  // the number of atoms
254 <    char read_buffer[maxBufferSize];  //the line buffer for reading
255 <    char * eof_test;               // ptr to see when we reach the end of the file
256 <    
257 <    Molecule* mol;
258 <    StuntDouble* integrableObject;
259 <    SimInfo::MoleculeIterator mi;
260 <    Molecule::IntegrableObjectIterator ii;
261 <    
262 < #ifndef IS_MPI
263 <    
264 <    fsetpos(inFile_, framePos_[whichFrame]);
265 <    eof_test = fgets(read_buffer, sizeof(read_buffer), inFile_);
266 <    
267 <    if (eof_test == NULL) {
268 <      sprintf(painCave.errMsg,
269 <              "DumpReader error: error reading 1st line of \"%s\"\n",
270 <              filename_.c_str());
271 <      painCave.isFatal = 1;
272 <      simError();
273 <    }
274 <    
275 <    nTotObjs = atoi(read_buffer);
276 <    
277 <    if (nTotObjs != info_->getNGlobalIntegrableObjects()) {
278 <      sprintf(painCave.errMsg,
279 <              "DumpReader error. %s nIntegrable, %d, "
280 <              "does not match the meta-data file's nIntegrable, %d.\n",
281 <              filename_.c_str(),
282 <              nTotObjs,
283 <              info_->getNGlobalIntegrableObjects());
195 >      nframes_ = framePos_.size();
196        
197 <      painCave.isFatal = 1;
198 <      simError();
199 <    }
197 >      if (nframes_ == 0) {
198 >        sprintf(painCave.errMsg,
199 >                "DumpReader: %s does not contain a valid frame\n", filename_.c_str());
200 >        painCave.isFatal = 1;
201 >        simError();      
202 >      }
203 > #ifdef IS_MPI
204 >    }
205 >    
206 >    MPI_Bcast(&nframes_, 1, MPI_INT, 0, MPI_COMM_WORLD);
207      
208 <    //read the box mat from the comment line
208 > #endif // is_mpi
209      
210 <    eof_test = fgets(read_buffer, sizeof(read_buffer), inFile_);
211 <    
212 <    if (eof_test == NULL) {
213 <      sprintf(painCave.errMsg, "DumpReader Error: error in reading commment in %s\n",
214 <              filename_.c_str());
215 <      painCave.isFatal = 1;
216 <      simError();
217 <    }
218 <    
219 <    parseCommentLine(read_buffer, info_->getSnapshotManager()->getCurrentSnapshot());
220 <    
221 <    //parse dump lines
222 <    
223 <    i = 0;
224 <    for (mol = info_->beginMolecule(mi); mol != NULL; mol = info_->nextMolecule(mi)) {
225 <      
226 <      for (integrableObject = mol->beginIntegrableObject(ii); integrableObject != NULL;
227 <           integrableObject = mol->nextIntegrableObject(ii)) {          
228 <        
229 <        eof_test = fgets(read_buffer, sizeof(read_buffer), inFile_);
230 <        
231 <        if (eof_test == NULL) {
232 <          sprintf(painCave.errMsg,
233 <                  "DumpReader Error: error in reading file %s\n"
234 <                  "natoms  = %d; index = %d\n"
235 <                  "error reading the line from the file.\n",
236 <                  filename_.c_str(),
237 <                  nTotObjs,
238 <                  i);
239 <          
240 <          painCave.isFatal = 1;
241 <          simError();
242 <        }
243 <        
244 <        parseDumpLine(read_buffer, integrableObject);
245 <        i++;
210 >    isScanned_ = true;
211 >  }
212 >  
213 >  void DumpReader::readFrame(int whichFrame) {
214 >    if (!isScanned_)
215 >      scanFile();
216 >        
217 >    int storageLayout = info_->getSnapshotManager()->getStorageLayout();
218 >    
219 >    if (storageLayout & DataStorage::dslPosition) {
220 >      needPos_ = true;
221 >    } else {
222 >      needPos_ = false;
223 >    }
224 >    
225 >    if (storageLayout & DataStorage::dslVelocity) {
226 >      needVel_ = true;
227 >    } else {
228 >      needVel_ = false;
229 >    }
230 >    
231 >    if (storageLayout & DataStorage::dslAmat || storageLayout & DataStorage::dslElectroFrame) {
232 >      needQuaternion_ = true;
233 >    } else {
234 >      needQuaternion_ = false;
235 >    }
236 >    
237 >    if (storageLayout & DataStorage::dslAngularMomentum) {
238 >      needAngMom_ = true;
239 >    } else {
240 >      needAngMom_ = false;    
241 >    }
242 >    
243 >    readSet(whichFrame);
244 >
245 >    if (needCOMprops_) {
246 >      Snapshot* s = info_->getSnapshotManager()->getCurrentSnapshot();
247 >      Vector3d com;
248 >      Vector3d comvel;
249 >      Vector3d comw;
250 >      if (needPos_ && needVel_){
251 >        info_->getComAll(com, comvel);
252 >        comw = info_->getAngularMomentum();
253 >      }else{
254 >        com = info_->getCom();
255 >        comvel = 0.0;
256 >        comw   = 0.0;
257        }
258 +      s->setCOMprops(com, comvel, comw);      
259      }
260 <    
261 <    // MPI Section of code..........
262 <    
263 < #else //IS_MPI
264 <    
265 <    // first thing first, suspend fatalities.
260 >
261 >  }
262 >  
263 >  void DumpReader::readSet(int whichFrame) {    
264 >    std::string line;
265 >
266 > #ifndef IS_MPI
267 >    inFile_->clear();  
268 >    inFile_->seekg(framePos_[whichFrame]);
269 >
270 >    std::istream& inputStream = *inFile_;    
271 >
272 > #else
273      int masterNode = 0;
274 <    int nCurObj;
337 <    painCave.isEventLoop = 1;
338 <    
339 <    int myStatus; // 1 = wakeup & success; 0 = error; -1 = AllDone
340 <    int haveError;
341 <    
342 <    MPI_Status istatus;
343 <    int nitems;
344 <    
345 <    nTotObjs = info_->getNGlobalIntegrableObjects();
346 <    haveError = 0;
347 <    
274 >    std::stringstream sstream;
275      if (worldRank == masterNode) {
276 <      fsetpos(inFile_, framePos_[whichFrame]);
277 <      
278 <      eof_test = fgets(read_buffer, sizeof(read_buffer), inFile_);
279 <      
353 <      if (eof_test == NULL) {
354 <        sprintf(painCave.errMsg, "DumpReader Error: Error reading 1st line of %s \n ",
355 <                filename_.c_str());
356 <        painCave.isFatal = 1;
357 <        simError();
358 <      }
359 <      
360 <      nitems = atoi(read_buffer);
361 <      
362 <      // Check to see that the number of integrable objects in the
363 <      // intial configuration file is the same as derived from the
364 <      // meta-data file.
365 <      
366 <      if (nTotObjs != nitems) {
367 <        sprintf(painCave.errMsg,
368 <                "DumpReader Error. %s nIntegrable, %d, "
369 <                "does not match the meta-data file's nIntegrable, %d.\n",
370 <                filename_.c_str(),
371 <                nTotObjs,
372 <                info_->getNGlobalIntegrableObjects());
373 <        
374 <        painCave.isFatal = 1;
375 <        simError();
376 <      }
377 <      
378 <      //read the boxMat from the comment line
379 <      
380 <      eof_test = fgets(read_buffer, sizeof(read_buffer), inFile_);
381 <      
382 <      if (eof_test == NULL) {
383 <        sprintf(painCave.errMsg, "DumpReader Error: error in reading commment in %s\n",
384 <                filename_.c_str());
385 <        painCave.isFatal = 1;
386 <        simError();
387 <      }
388 <      
389 <      //Every single processor will parse the comment line by itself
390 <      //By using this way, we might lose some efficiency, but if we want to add
391 <      //more parameters into comment line, we only need to modify function
392 <      //parseCommentLine
276 >      std::string sendBuffer;
277 >
278 >      inFile_->clear();  
279 >      inFile_->seekg(framePos_[whichFrame]);
280        
281 <      MPI_Bcast(read_buffer, maxBufferSize, MPI_CHAR, masterNode, MPI_COMM_WORLD);
282 <      parseCommentLine(read_buffer, info_->getSnapshotManager()->getCurrentSnapshot());
283 <      
284 <      for(i = 0; i < info_->getNGlobalMolecules(); i++) {
285 <        int which_node = info_->getMolToProc(i);
286 <        
287 <        if (which_node == masterNode) {
288 <          //molecules belong to master node
402 <          
403 <          mol = info_->getMoleculeByGlobalIndex(i);
404 <          
405 <          if (mol == NULL) {
406 <            sprintf(painCave.errMsg, "DumpReader Error: Molecule not found on node %d!", worldRank);
407 <            painCave.isFatal = 1;
408 <            simError();
409 <          }
410 <          
411 <          for (integrableObject = mol->beginIntegrableObject(ii); integrableObject != NULL;
412 <               integrableObject = mol->nextIntegrableObject(ii)){
413 <            
414 <            eof_test = fgets(read_buffer, sizeof(read_buffer), inFile_);
415 <            
416 <            if (eof_test == NULL) {
417 <              sprintf(painCave.errMsg,
418 <                      "DumpReader Error: error in reading file %s\n"
419 <                      "natoms  = %d; index = %d\n"
420 <                      "error reading the line from the file.\n",
421 <                      filename_.c_str(),
422 <                      nTotObjs,
423 <                      i);
424 <              
425 <              painCave.isFatal = 1;
426 <              simError();
427 <            }
428 <            
429 <            parseDumpLine(read_buffer, integrableObject);
430 <          }
431 <        } else {
432 <          //molecule belongs to slave nodes
433 <          
434 <          MPI_Recv(&nCurObj, 1, MPI_INT, which_node, TAKE_THIS_TAG_INT,
435 <                   MPI_COMM_WORLD, &istatus);
436 <          
437 <          for(int j = 0; j < nCurObj; j++) {
438 <            eof_test = fgets(read_buffer, sizeof(read_buffer), inFile_);
439 <            
440 <            if (eof_test == NULL) {
441 <              sprintf(painCave.errMsg,
442 <                      "DumpReader Error: error in reading file %s\n"
443 <                      "natoms  = %d; index = %d\n"
444 <                      "error reading the line from the file.\n",
445 <                      filename_.c_str(),
446 <                      nTotObjs,
447 <                      i);
448 <              
449 <              painCave.isFatal = 1;
450 <              simError();
451 <            }
452 <            
453 <            MPI_Send(read_buffer, maxBufferSize, MPI_CHAR, which_node,
454 <                     TAKE_THIS_TAG_CHAR, MPI_COMM_WORLD);
455 <          }
456 <        }
281 >      while (inFile_->getline(buffer, bufferSize)) {
282 >
283 >        line = buffer;
284 >        sendBuffer += line;
285 >        sendBuffer += '\n';
286 >        if (line.find("</Snapshot>") != std::string::npos) {
287 >          break;
288 >        }        
289        }
290 <    } else {
291 <      //actions taken at slave nodes
292 <      MPI_Bcast(read_buffer, maxBufferSize, MPI_CHAR, masterNode, MPI_COMM_WORLD);
290 >
291 >      int sendBufferSize = sendBuffer.size();
292 >      MPI_Bcast(&sendBufferSize, 1, MPI_INT, masterNode, MPI_COMM_WORLD);    
293 >      MPI_Bcast((void *)sendBuffer.c_str(), sendBufferSize, MPI_CHAR, masterNode, MPI_COMM_WORLD);    
294        
295 <      /**@todo*/
296 <      parseCommentLine(read_buffer, info_->getSnapshotManager()->getCurrentSnapshot());
297 <      
298 <      for(i = 0; i < info_->getNGlobalMolecules(); i++) {
299 <        int which_node = info_->getMolToProc(i);
300 <        
301 <        if (which_node == worldRank) {
302 <          //molecule with global index i belongs to this processor
303 <          
304 <          mol = info_->getMoleculeByGlobalIndex(i);
305 <          if (mol == NULL) {
306 <            sprintf(painCave.errMsg, "DumpReader Error: Molecule not found on node %d!", worldRank);
307 <            painCave.isFatal = 1;
475 <            simError();
476 <          }
477 <          
478 <          nCurObj = mol->getNIntegrableObjects();
479 <          
480 <          MPI_Send(&nCurObj, 1, MPI_INT, masterNode, TAKE_THIS_TAG_INT,
481 <                   MPI_COMM_WORLD);
482 <          
483 <          for (integrableObject = mol->beginIntegrableObject(ii); integrableObject != NULL;
484 <               integrableObject = mol->nextIntegrableObject(ii)){
485 <            
486 <            MPI_Recv(read_buffer, maxBufferSize, MPI_CHAR, masterNode,
487 <                     TAKE_THIS_TAG_CHAR, MPI_COMM_WORLD, &istatus);
488 <            
489 <            parseDumpLine(read_buffer, integrableObject);
490 <          }
491 <          
492 <        }
493 <        
494 <      }
495 <      
496 <    }
497 <    
295 >      sstream.str(sendBuffer);
296 >    } else {
297 >      int sendBufferSize;
298 >      MPI_Bcast(&sendBufferSize, 1, MPI_INT, masterNode, MPI_COMM_WORLD);    
299 >      char * recvBuffer = new char[sendBufferSize+1];
300 >      assert(recvBuffer);
301 >      recvBuffer[sendBufferSize] = '\0';
302 >      MPI_Bcast(recvBuffer, sendBufferSize, MPI_CHAR, masterNode, MPI_COMM_WORLD);    
303 >      sstream.str(recvBuffer);
304 >      delete [] recvBuffer;
305 >    }      
306 >
307 >    std::istream& inputStream = sstream;  
308   #endif
309 +
310 +    inputStream.getline(buffer, bufferSize);
311 +
312 +    line = buffer;
313 +    if (line.find("<Snapshot>") == std::string::npos) {
314 +      sprintf(painCave.errMsg,
315 +              "DumpReader Error: can not find <Snapshot>\n");
316 +      painCave.isFatal = 1;
317 +      simError();
318 +    }
319      
320 <  }
321 <  
322 <  void DumpReader::parseDumpLine(char *line, StuntDouble *integrableObject) {
323 <    
324 <    Vector3d pos;  // position place holders
325 <    Vector3d vel;  // velocity placeholders
326 <    Quat4d q;    // the quaternions
327 <    Vector3d ji;   // angular velocity placeholders;
328 <    StringTokenizer tokenizer(line);
329 <    int nTokens;
330 <    
331 <    nTokens = tokenizer.countTokens();
332 <    
333 <    if (nTokens < 14) {
334 <      sprintf(painCave.errMsg,
335 <              "DumpReader Error: Not enough Tokens.\n%s\n", line);
336 <      painCave.isFatal = 1;
337 <      simError();
320 >    //read frameData
321 >    readFrameProperties(inputStream);
322 >
323 >    //read StuntDoubles
324 >    readStuntDoubles(inputStream);    
325 >
326 >    inputStream.getline(buffer, bufferSize);
327 >    line = buffer;
328 >    if (line.find("</Snapshot>") == std::string::npos) {
329 >      sprintf(painCave.errMsg,
330 >              "DumpReader Error: can not find </Snapshot>\n");
331 >      painCave.isFatal = 1;
332 >      simError();
333 >    }        
334 >  
335 >  }
336 >  
337 >  void DumpReader::parseDumpLine(const std::string& line) {
338 >
339 >      
340 >    StringTokenizer tokenizer(line);
341 >    int nTokens;
342 >    
343 >    nTokens = tokenizer.countTokens();
344 >    
345 >    if (nTokens < 2) {  
346 >      sprintf(painCave.errMsg,
347 >              "DumpReader Error: Not enough Tokens.\n%s\n", line.c_str());
348 >      painCave.isFatal = 1;
349 >      simError();
350 >    }
351 >
352 >    int index = tokenizer.nextTokenAsInt();
353 >
354 >    StuntDouble* integrableObject = info_->getIOIndexToIntegrableObject(index);
355 >
356 >    if (integrableObject == NULL) {
357 >      return;
358      }
359 +    std::string type = tokenizer.nextToken();
360 +    int size = type.size();
361 +
362 +    size_t found;
363      
520    std::string name = tokenizer.nextToken();
521    
522    if (name != integrableObject->getType()) {
523      
524      sprintf(painCave.errMsg,
525              "DumpReader Error: Atom type [%s] in %s does not match Atom Type [%s] in .md file.\n",
526              name.c_str(), filename_.c_str(), integrableObject->getType().c_str());
527      painCave.isFatal = 1;
528      simError();        
529    }
530    
531    pos[0] = tokenizer.nextTokenAsDouble();
532    pos[1] = tokenizer.nextTokenAsDouble();
533    pos[2] = tokenizer.nextTokenAsDouble();
364      if (needPos_) {
365 <      integrableObject->setPos(pos);
365 >      found = type.find("p");      
366 >      if (found == std::string::npos) {
367 >        sprintf(painCave.errMsg,
368 >                "DumpReader Error: StuntDouble %d has no Position\n"
369 >                "\tField (\"p\") specified.\n%s\n", index,
370 >                line.c_str());  
371 >        painCave.isFatal = 1;
372 >        simError();
373 >      }
374      }
375      
538    vel[0] = tokenizer.nextTokenAsDouble();
539    vel[1] = tokenizer.nextTokenAsDouble();
540    vel[2] = tokenizer.nextTokenAsDouble();
541    if (needVel_) {
542      integrableObject->setVel(vel);
543    }
544    
376      if (integrableObject->isDirectional()) {
377 <      
378 <      q[0] = tokenizer.nextTokenAsDouble();
379 <      q[1] = tokenizer.nextTokenAsDouble();
380 <      q[2] = tokenizer.nextTokenAsDouble();
381 <      q[3] = tokenizer.nextTokenAsDouble();
382 <      
383 <      double qlen = q.length();
384 <      if (qlen < oopse::epsilon) { //check quaternion is not equal to 0
377 >      if (needQuaternion_) {
378 >        found = type.find("q");      
379 >        if (found == std::string::npos) {
380 >          sprintf(painCave.errMsg,
381 >                  "DumpReader Error: Directional StuntDouble %d has no\n"
382 >                  "\tQuaternion Field (\"q\") specified.\n%s\n", index,
383 >                  line.c_str());  
384 >          painCave.isFatal = 1;
385 >          simError();
386 >        }
387 >      }      
388 >    }
389 >
390 >    for(int i = 0; i < size; ++i) {
391 >      switch(type[i]) {
392          
393 <        sprintf(painCave.errMsg,
394 <                "DumpReader Error: initial quaternion error (q0^2 + q1^2 + q2^2 + q3^2 ~ 0).\n");
395 <        painCave.isFatal = 1;
396 <        simError();
397 <        
398 <      }
399 <      
400 <      q.normalize();
401 <      if (needQuaternion_) {          
402 <        integrableObject->setQ(q);
403 <      }
404 <      
405 <      ji[0] = tokenizer.nextTokenAsDouble();
406 <      ji[1] = tokenizer.nextTokenAsDouble();
407 <      ji[2] = tokenizer.nextTokenAsDouble();
408 <      if (needAngMom_) {
409 <        integrableObject->setJ(ji);
393 >        case 'p': {
394 >            Vector3d pos;
395 >            pos[0] = tokenizer.nextTokenAsDouble();
396 >            pos[1] = tokenizer.nextTokenAsDouble();
397 >            pos[2] = tokenizer.nextTokenAsDouble();
398 >            if (needPos_) {
399 >              integrableObject->setPos(pos);
400 >            }            
401 >            break;
402 >        }
403 >        case 'v' : {
404 >            Vector3d vel;
405 >            vel[0] = tokenizer.nextTokenAsDouble();
406 >            vel[1] = tokenizer.nextTokenAsDouble();
407 >            vel[2] = tokenizer.nextTokenAsDouble();
408 >            if (needVel_) {
409 >              integrableObject->setVel(vel);
410 >            }
411 >            break;
412 >        }
413 >
414 >        case 'q' : {
415 >           Quat4d q;
416 >           if (integrableObject->isDirectional()) {
417 >              
418 >             q[0] = tokenizer.nextTokenAsDouble();
419 >             q[1] = tokenizer.nextTokenAsDouble();
420 >             q[2] = tokenizer.nextTokenAsDouble();
421 >             q[3] = tokenizer.nextTokenAsDouble();
422 >              
423 >             RealType qlen = q.length();
424 >             if (qlen < OpenMD::epsilon) { //check quaternion is not equal to 0
425 >                
426 >               sprintf(painCave.errMsg,
427 >                       "DumpReader Error: initial quaternion error (q0^2 + q1^2 + q2^2 + q3^2) ~ 0\n");
428 >               painCave.isFatal = 1;
429 >               simError();
430 >                
431 >             }  
432 >              
433 >             q.normalize();
434 >             if (needQuaternion_) {            
435 >               integrableObject->setQ(q);
436 >             }              
437 >           }            
438 >           break;
439 >        }  
440 >        case 'j' : {
441 >          Vector3d ji;
442 >          if (integrableObject->isDirectional()) {
443 >             ji[0] = tokenizer.nextTokenAsDouble();
444 >             ji[1] = tokenizer.nextTokenAsDouble();
445 >             ji[2] = tokenizer.nextTokenAsDouble();
446 >             if (needAngMom_) {
447 >               integrableObject->setJ(ji);
448 >             }
449 >          }
450 >          break;
451 >        }  
452 >        case 'f': {
453 >
454 >          Vector3d force;
455 >          force[0] = tokenizer.nextTokenAsDouble();
456 >          force[1] = tokenizer.nextTokenAsDouble();
457 >          force[2] = tokenizer.nextTokenAsDouble();          
458 >          integrableObject->setFrc(force);
459 >          break;
460 >        }
461 >        case 't' : {
462 >
463 >           Vector3d torque;
464 >           torque[0] = tokenizer.nextTokenAsDouble();
465 >           torque[1] = tokenizer.nextTokenAsDouble();
466 >           torque[2] = tokenizer.nextTokenAsDouble();          
467 >           integrableObject->setTrq(torque);          
468 >           break;
469 >        }
470 >        case 'u' : {
471 >
472 >           RealType particlePot;
473 >           particlePot = tokenizer.nextTokenAsDouble();
474 >           integrableObject->setParticlePot(particlePot);          
475 >           break;
476 >        }
477 >        default: {
478 >               sprintf(painCave.errMsg,
479 >                       "DumpReader Error: %s is an unrecognized type\n", type.c_str());
480 >               painCave.isFatal = 1;
481 >               simError();
482 >          break;  
483 >        }
484 >
485        }
486      }
487 +    
488 +  }
489 +  
490 +
491 +  void  DumpReader::readStuntDoubles(std::istream& inputStream) {
492 +
493 +    inputStream.getline(buffer, bufferSize);
494 +    std::string line(buffer);
495      
496 <  }
497 <  
498 <  
499 <  void DumpReader::parseCommentLine(char* line, Snapshot* s) {
500 <    double currTime;
580 <    Mat3x3d hmat;
581 <    double chi;
582 <    double integralOfChiDt;
583 <    Mat3x3d eta;
584 <    
585 <    StringTokenizer tokenizer(line);
586 <    int nTokens;
587 <    
588 <    nTokens = tokenizer.countTokens();
589 <    
590 <    //comment line should at least contain 10 tokens: current time(1 token) and  h-matrix(9 tokens)
591 <    if (nTokens < 10) {
592 <      sprintf(painCave.errMsg,
593 <              "DumpReader Error: Not enough tokens in comment line: %s", line);
594 <      painCave.isFatal = 1;
595 <      simError();  
496 >    if (line.find("<StuntDoubles>") == std::string::npos) {
497 >      sprintf(painCave.errMsg,
498 >              "DumpReader Error: Missing <StuntDoubles>\n");
499 >      painCave.isFatal = 1;
500 >      simError();
501      }
502 <    
503 <    //read current time
504 <    currTime = tokenizer.nextTokenAsDouble();
600 <    s->setTime(currTime);
601 <    
602 <    //read h-matrix
603 <    hmat(0, 0) = tokenizer.nextTokenAsDouble();
604 <    hmat(0, 1) = tokenizer.nextTokenAsDouble();
605 <    hmat(0, 2) = tokenizer.nextTokenAsDouble();
606 <    hmat(1, 0) = tokenizer.nextTokenAsDouble();
607 <    hmat(1, 1) = tokenizer.nextTokenAsDouble();
608 <    hmat(1, 2) = tokenizer.nextTokenAsDouble();
609 <    hmat(2, 0) = tokenizer.nextTokenAsDouble();
610 <    hmat(2, 1) = tokenizer.nextTokenAsDouble();
611 <    hmat(2, 2) = tokenizer.nextTokenAsDouble();
612 <    s->setHmat(hmat);
613 <    
614 <    //read chi and integralOfChidt, they should apprear in pair
615 <    if (tokenizer.countTokens() >= 2) {
616 <      chi = tokenizer.nextTokenAsDouble();
617 <      integralOfChiDt = tokenizer.nextTokenAsDouble();            
502 >
503 >    while(inputStream.getline(buffer, bufferSize)) {
504 >      line = buffer;
505        
506 <      s->setChi(chi);
507 <      s->setIntegralOfChiDt(integralOfChiDt);
506 >      if(line.find("</StuntDoubles>") != std::string::npos) {
507 >        break;
508 >      }
509 >
510 >      parseDumpLine(line);
511      }
512 <    
513 <    //read eta (eta is 3x3 matrix)
514 <    if (tokenizer.countTokens() >= 9) {
515 <      eta(0, 0) = tokenizer.nextTokenAsDouble();
516 <      eta(0, 1) = tokenizer.nextTokenAsDouble();
517 <      eta(0, 2) = tokenizer.nextTokenAsDouble();
518 <      eta(1, 0) = tokenizer.nextTokenAsDouble();
519 <      eta(1, 1) = tokenizer.nextTokenAsDouble();
520 <      eta(1, 2) = tokenizer.nextTokenAsDouble();
521 <      eta(2, 0) = tokenizer.nextTokenAsDouble();
522 <      eta(2, 1) = tokenizer.nextTokenAsDouble();
523 <      eta(2, 2) = tokenizer.nextTokenAsDouble();      
512 >  
513 >  }
514 >
515 >  void DumpReader::readFrameProperties(std::istream& inputStream) {
516 >
517 >    Snapshot* s = info_->getSnapshotManager()->getCurrentSnapshot();
518 >    inputStream.getline(buffer, bufferSize);
519 >    std::string line(buffer);
520 >
521 >    if (line.find("<FrameData>") == std::string::npos) {
522 >      sprintf(painCave.errMsg,
523 >              "DumpReader Error: Missing <FrameData>\n");
524 >      painCave.isFatal = 1;
525 >      simError();
526 >    }
527 >
528 >    while(inputStream.getline(buffer, bufferSize)) {
529 >      line = buffer;
530        
531 <      s->setEta(eta);
531 >      if(line.find("</FrameData>") != std::string::npos) {
532 >        break;
533 >      }
534 >      
535 >      StringTokenizer tokenizer(line, " ;\t\n\r{}:,");
536 >      if (!tokenizer.hasMoreTokens()) {
537 >        sprintf(painCave.errMsg,
538 >                "DumpReader Error: Not enough Tokens.\n%s\n", line.c_str());
539 >        painCave.isFatal = 1;
540 >        simError();      
541 >      }
542 >
543 >      std::string propertyName = tokenizer.nextToken();
544 >      if (propertyName == "Time") {
545 >        RealType currTime = tokenizer.nextTokenAsDouble();
546 >        s->setTime(currTime);
547 >      } else if (propertyName == "Hmat"){
548 >        Mat3x3d hmat;
549 >        hmat(0, 0) = tokenizer.nextTokenAsDouble();
550 >        hmat(0, 1) = tokenizer.nextTokenAsDouble();
551 >        hmat(0, 2) = tokenizer.nextTokenAsDouble();
552 >        hmat(1, 0) = tokenizer.nextTokenAsDouble();
553 >        hmat(1, 1) = tokenizer.nextTokenAsDouble();
554 >        hmat(1, 2) = tokenizer.nextTokenAsDouble();
555 >        hmat(2, 0) = tokenizer.nextTokenAsDouble();
556 >        hmat(2, 1) = tokenizer.nextTokenAsDouble();
557 >        hmat(2, 2) = tokenizer.nextTokenAsDouble();
558 >        s->setHmat(hmat);      
559 >      } else if (propertyName == "Thermostat") {
560 >        RealType chi = tokenizer.nextTokenAsDouble();
561 >        RealType integralOfChiDt = tokenizer.nextTokenAsDouble();
562 >        s->setChi(chi);
563 >        s->setIntegralOfChiDt(integralOfChiDt);        
564 >     } else if (propertyName == "Barostat") {
565 >        Mat3x3d eta;
566 >        eta(0, 0) = tokenizer.nextTokenAsDouble();
567 >        eta(0, 1) = tokenizer.nextTokenAsDouble();
568 >        eta(0, 2) = tokenizer.nextTokenAsDouble();
569 >        eta(1, 0) = tokenizer.nextTokenAsDouble();
570 >        eta(1, 1) = tokenizer.nextTokenAsDouble();
571 >        eta(1, 2) = tokenizer.nextTokenAsDouble();
572 >        eta(2, 0) = tokenizer.nextTokenAsDouble();
573 >        eta(2, 1) = tokenizer.nextTokenAsDouble();
574 >        eta(2, 2) = tokenizer.nextTokenAsDouble();
575 >        s->setEta(eta);
576 >      } else {
577 >        sprintf(painCave.errMsg,
578 >                "DumpReader Error: %s is an invalid property in <FrameData>\n", propertyName.c_str());
579 >        painCave.isFatal = 0;
580 >        simError();        
581 >      }
582 >      
583      }
584 <    
638 <    
584 >
585    }
586 <  
587 < }//end namespace oopse
586 >
587 >  
588 > }//end namespace OpenMD

Comparing:
trunk/src/io/DumpReader.cpp (property svn:keywords), Revision 507 by gezelter, Fri Apr 15 22:04:00 2005 UTC vs.
branches/development/src/io/DumpReader.cpp (property svn:keywords), Revision 1665 by gezelter, Tue Nov 22 20:38:56 2011 UTC

# Line 0 | Line 1
1 + Author Id Revision Date

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines