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root/OpenMD/branches/development/src/io/DumpReader.cpp

Comparing:
trunk/src/io/DumpReader.cpp (file contents), Revision 273 by tim, Tue Jan 25 17:45:23 2005 UTC vs.
branches/development/src/io/DumpReader.cpp (file contents), Revision 1764 by gezelter, Tue Jul 3 18:32:27 2012 UTC

#	Line 1 | Line 1
1	<	/*
2	<	* Copyright (c) 2005 The University of Notre Dame. All Rights Reserved.
1	>	/*
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		*/
42	+
43	+	#define _LARGEFILE_SOURCE64
44	+	#define _FILE_OFFSET_BITS 64
45
46	<	#define _LARGEFILE_SOURCE64
47	<	#define _FILE_OFFSET_BITS 64
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	>	#include "brains/Thermo.hpp"
62	>
63	>	#ifdef IS_MPI
64	>	#include <mpi.h>
65	>	#endif
66	>
67	>
68	>	namespace OpenMD {
69	>
70	>	DumpReader::DumpReader(SimInfo* info, const std::string& filename)
71	>	: info_(info), filename_(filename), isScanned_(false), nframes_(0), needCOMprops_(false) {
72	>
73	>	#ifdef IS_MPI
74	>
75	>	if (worldRank == 0) {
76	>	#endif
77	>
78	>	inFile_ = new std::ifstream(filename_.c_str());
79	>
80	>	if (inFile_->fail()) {
81	>	sprintf(painCave.errMsg,
82	>	"DumpReader: Cannot open file: %s\n",
83	>	filename_.c_str());
84	>	painCave.isFatal = 1;
85	>	simError();
86	>	}
87	>
88	>	#ifdef IS_MPI
89	>
90	>	}
91	>
92	>	strcpy(checkPointMsg, "Dump file opened for reading successfully.");
93	>	errorCheckPoint();
94	>
95	>	#endif
96	>
97	>	return;
98	>	}
99	>
100	>	DumpReader::~DumpReader() {
101	>
102	>	#ifdef IS_MPI
103	>
104	>	if (worldRank == 0) {
105	>	#endif
106	>
107	>	delete inFile_;
108	>
109	>	#ifdef IS_MPI
110	>
111	>	}
112	>
113	>	strcpy(checkPointMsg, "Dump file closed successfully.");
114	>	errorCheckPoint();
115	>
116	>	#endif
117	>
118	>	return;
119	>	}
120	>
121	>	int DumpReader::getNFrames(void) {
122	>
123	>	if (!isScanned_)
124	>	scanFile();
125	>
126	>	return nframes_;
127	>	}
128	>
129	>	void DumpReader::scanFile(void) {
130	>	int lineNo = 0;
131	>	std::streampos prevPos;
132	>	std::streampos  currPos;
133	>
134	>	#ifdef IS_MPI
135	>
136	>	if (worldRank == 0) {
137	>	#endif // is_mpi
138	>
139	>	currPos = inFile_->tellg();
140	>	prevPos = currPos;
141	>	bool foundOpenSnapshotTag = false;
142	>	bool foundClosedSnapshotTag = false;
143	>	bool foundOpenSiteDataTag = false;
144	>	while(inFile_->getline(buffer, bufferSize)) {
145	>	++lineNo;
146	>
147	>	std::string line = buffer;
148	>	currPos = inFile_->tellg();
149	>	if (line.find("<Snapshot>")!= std::string::npos) {
150	>	if (foundOpenSnapshotTag) {
151	>	sprintf(painCave.errMsg,
152	>	"DumpReader:<Snapshot> is multiply nested at line %d in %s \n", lineNo,
153	>	filename_.c_str());
154	>	painCave.isFatal = 1;
155	>	simError();
156	>	}
157	>	foundOpenSnapshotTag = true;
158	>	foundClosedSnapshotTag = false;
159	>	framePos_.push_back(prevPos);
160	>
161	>	} else if (line.find("</Snapshot>") != std::string::npos){
162	>	if (!foundOpenSnapshotTag) {
163	>	sprintf(painCave.errMsg,
164	>	"DumpReader:</Snapshot> appears before <Snapshot> at line %d in %s \n", lineNo,
165	>	filename_.c_str());
166	>	painCave.isFatal = 1;
167	>	simError();
168	>	}
169	>
170	>	if (foundClosedSnapshotTag) {
171	>	sprintf(painCave.errMsg,
172	>	"DumpReader:</Snapshot> appears multiply nested at line %d in %s \n", lineNo,
173	>	filename_.c_str());
174	>	painCave.isFatal = 1;
175	>	simError();
176	>	}
177	>	foundClosedSnapshotTag = true;
178	>	foundOpenSnapshotTag = false;
179	>	}
180	>	prevPos = currPos;
181	>	}
182	>
183	>	// only found <Snapshot> for the last frame means the file is corrupted, we should discard
184	>	// it and give a warning message
185	>	if (foundOpenSnapshotTag) {
186	>	sprintf(painCave.errMsg,
187	>	"DumpReader: last frame in %s is invalid\n", filename_.c_str());
188	>	painCave.isFatal = 0;
189	>	simError();
190	>	framePos_.pop_back();
191	>	}
192	>
193	>	nframes_ = framePos_.size();
194	>
195	>	if (nframes_ == 0) {
196	>	sprintf(painCave.errMsg,
197	>	"DumpReader: %s does not contain a valid frame\n", filename_.c_str());
198	>	painCave.isFatal = 1;
199	>	simError();
200	>	}
201	>	#ifdef IS_MPI
202	>	}
203	>
204	>	MPI_Bcast(&nframes_, 1, MPI_INT, 0, MPI_COMM_WORLD);
205	>
206	>	#endif // is_mpi
207	>
208	>	isScanned_ = true;
209	>	}
210	>
211	>	void DumpReader::readFrame(int whichFrame) {
212	>	if (!isScanned_)
213	>	scanFile();
214	>
215	>	int storageLayout = info_->getSnapshotManager()->getStorageLayout();
216	>
217	>	if (storageLayout & DataStorage::dslPosition) {
218	>	needPos_ = true;
219	>	} else {
220	>	needPos_ = false;
221	>	}
222	>
223	>	if (storageLayout & DataStorage::dslVelocity) {
224	>	needVel_ = true;
225	>	} else {
226	>	needVel_ = false;
227	>	}
228	>
229	>	if (storageLayout & DataStorage::dslAmat || storageLayout & DataStorage::dslElectroFrame) {
230	>	needQuaternion_ = true;
231	>	} else {
232	>	needQuaternion_ = false;
233	>	}
234	>
235	>	if (storageLayout & DataStorage::dslAngularMomentum) {
236	>	needAngMom_ = true;
237	>	} else {
238	>	needAngMom_ = false;
239	>	}
240	>
241	>	readSet(whichFrame);
242
243	<	#include <sys/types.h>
244	<	#include <sys/stat.h>
243	>	if (needCOMprops_) {
244	>	Snapshot* s = info_->getSnapshotManager()->getCurrentSnapshot();
245	>	Thermo thermo(info_);
246	>	Vector3d com;
247
248	<	#include <iostream>
249	<	#include <math.h>
248	>	if (needPos_ && needVel_) {
249	>	Vector3d comvel;
250	>	Vector3d comw;
251	>	thermo.getComAll(com, comvel);
252	>	comw = thermo.getAngularMomentum();
253	>	} else {
254	>	com = thermo.getCom();
255	>	}
256	>	}
257	>	}
258	>
259	>	void DumpReader::readSet(int whichFrame) {
260	>	std::string line;
261
262	<	#include <stdio.h>
263	<	#include <stdlib.h>
264	<	#include <string.h>
262	>	#ifndef IS_MPI
263	>	inFile_->clear();
264	>	inFile_->seekg(framePos_[whichFrame]);
265
266	<	#include "io/DumpReader.hpp"
56	<	#include "primitives/Molecule.hpp"
57	<	#include "utils/simError.h"
58	<	#include "utils/MemoryUtils.hpp"
59	<	#include "utils/StringTokenizer.hpp"
266	>	std::istream& inputStream = *inFile_;
267
268	<	#ifdef IS_MPI
268	>	#else
269	>	int masterNode = 0;
270	>	std::stringstream sstream;
271	>	if (worldRank == masterNode) {
272	>	std::string sendBuffer;
273
274	<	#include <mpi.h>
275	<	#define TAKE_THIS_TAG_CHAR 0
276	<	#define TAKE_THIS_TAG_INT 1
274	>	inFile_->clear();
275	>	inFile_->seekg(framePos_[whichFrame]);
276	>
277	>	while (inFile_->getline(buffer, bufferSize)) {
278
279	<	#endif // is_mpi
279	>	line = buffer;
280	>	sendBuffer += line;
281	>	sendBuffer += '\n';
282	>	if (line.find("</Snapshot>") != std::string::npos) {
283	>	break;
284	>	}
285	>	}
286
287	+	int sendBufferSize = sendBuffer.size();
288	+	MPI_Bcast(&sendBufferSize, 1, MPI_INT, masterNode, MPI_COMM_WORLD);
289	+	MPI_Bcast((void *)sendBuffer.c_str(), sendBufferSize, MPI_CHAR, masterNode, MPI_COMM_WORLD);
290	+
291	+	sstream.str(sendBuffer);
292	+	} else {
293	+	int sendBufferSize;
294	+	MPI_Bcast(&sendBufferSize, 1, MPI_INT, masterNode, MPI_COMM_WORLD);
295	+	char * recvBuffer = new char[sendBufferSize+1];
296	+	assert(recvBuffer);
297	+	recvBuffer[sendBufferSize] = '\0';
298	+	MPI_Bcast(recvBuffer, sendBufferSize, MPI_CHAR, masterNode, MPI_COMM_WORLD);
299	+	sstream.str(recvBuffer);
300	+	delete [] recvBuffer;
301	+	}
302
303	<	namespace oopse {
303	>	std::istream& inputStream = sstream;
304	>	#endif
305
306	<	DumpReader::DumpReader(SimInfo* info, const std::string& filename)
73	<	: info_(info), filename_(filename), isScanned_(false), nframes_(0) {
306	>	inputStream.getline(buffer, bufferSize);
307
308	<	#ifdef IS_MPI
308	>	line = buffer;
309	>	if (line.find("<Snapshot>") == std::string::npos) {
310	>	sprintf(painCave.errMsg,
311	>	"DumpReader Error: can not find <Snapshot>\n");
312	>	painCave.isFatal = 1;
313	>	simError();
314	>	}
315	>
316	>	//read frameData
317	>	readFrameProperties(inputStream);
318
319	<	if (worldRank == 0) {
320	<	#endif
319	>	//read StuntDoubles
320	>	readStuntDoubles(inputStream);
321
322	<	inFile_ = fopen(filename_.c_str(), "r");
322	>	inputStream.getline(buffer, bufferSize);
323	>	line = buffer;
324
325	<	if (inFile_ == NULL) {
326	<	sprintf(painCave.errMsg, "DumpReader: Cannot open file: %s\n", filename_.c_str());
327	<	painCave.isFatal = 1;
328	<	simError();
329	<	}
330	<
331	<	#ifdef IS_MPI
332	<
325	>	if (line.find("<SiteData>") != std::string::npos) {
326	>	//read SiteData
327	>	readSiteData(inputStream);
328	>	} else {
329	>	if (line.find("</Snapshot>") == std::string::npos) {
330	>	sprintf(painCave.errMsg,
331	>	"DumpReader Error: can not find </Snapshot>\n");
332	>	painCave.isFatal = 1;
333	>	simError();
334	>	}
335		}
336	+	}
337	+
338	+	void DumpReader::parseDumpLine(const std::string& line) {
339
340	<	strcpy(checkPointMsg, "Dump file opened for reading successfully.");
341	<	MPIcheckPoint();
340	>
341	>	StringTokenizer tokenizer(line);
342	>	int nTokens;
343	>
344	>	nTokens = tokenizer.countTokens();
345	>
346	>	if (nTokens < 2) {
347	>	sprintf(painCave.errMsg,
348	>	"DumpReader Error: Not enough Tokens.\n%s\n", line.c_str());
349	>	painCave.isFatal = 1;
350	>	simError();
351	>	}
352
353	<	#endif
353	>	int index = tokenizer.nextTokenAsInt();
354	>
355	>	StuntDouble* integrableObject = info_->getIOIndexToIntegrableObject(index);
356
357	<	return;
358	<	}
357	>	if (integrableObject == NULL) {
358	>	return;
359	>	}
360	>	std::string type = tokenizer.nextToken();
361	>	int size = type.size();
362
363	<	DumpReader::~DumpReader() {
364	<
365	<	#ifdef IS_MPI
366	<
367	<	if (worldRank == 0) {
368	<	#endif
369	<
370	<	int error;
371	<	error = fclose(inFile_);
372	<
373	<	if (error) {
374	<	sprintf(painCave.errMsg, "Error closing %s\n", filename_.c_str());
375	<	painCave.isFatal = 1;
376	<	simError();
363	>	size_t found;
364	>
365	>	if (needPos_) {
366	>	found = type.find("p");
367	>	if (found == std::string::npos) {
368	>	sprintf(painCave.errMsg,
369	>	"DumpReader Error: StuntDouble %d has no Position\n"
370	>	"\tField (\"p\") specified.\n%s\n", index,
371	>	line.c_str());
372	>	painCave.isFatal = 1;
373	>	simError();
374	>	}
375	>	}
376	>
377	>	if (integrableObject->isDirectional()) {
378	>	if (needQuaternion_) {
379	>	found = type.find("q");
380	>	if (found == std::string::npos) {
381	>	sprintf(painCave.errMsg,
382	>	"DumpReader Error: Directional StuntDouble %d has no\n"
383	>	"\tQuaternion Field (\"q\") specified.\n%s\n", index,
384	>	line.c_str());
385	>	painCave.isFatal = 1;
386	>	simError();
387		}
388	<
116	<	MemoryUtils::deleteVectorOfPointer(framePos_);
117	<
118	<	#ifdef IS_MPI
119	<
388	>	}
389		}
390
391	<	strcpy(checkPointMsg, "Dump file closed successfully.");
392	<	MPIcheckPoint();
391	>	for(int i = 0; i < size; ++i) {
392	>	switch(type[i]) {
393	>
394	>	case 'p': {
395	>	Vector3d pos;
396	>	pos[0] = tokenizer.nextTokenAsDouble();
397	>	pos[1] = tokenizer.nextTokenAsDouble();
398	>	pos[2] = tokenizer.nextTokenAsDouble();
399	>	if (needPos_) {
400	>	integrableObject->setPos(pos);
401	>	}
402	>	break;
403	>	}
404	>	case 'v' : {
405	>	Vector3d vel;
406	>	vel[0] = tokenizer.nextTokenAsDouble();
407	>	vel[1] = tokenizer.nextTokenAsDouble();
408	>	vel[2] = tokenizer.nextTokenAsDouble();
409	>	if (needVel_) {
410	>	integrableObject->setVel(vel);
411	>	}
412	>	break;
413	>	}
414
415	<	#endif
415	>	case 'q' : {
416	>	Quat4d q;
417	>	if (integrableObject->isDirectional()) {
418	>
419	>	q[0] = tokenizer.nextTokenAsDouble();
420	>	q[1] = tokenizer.nextTokenAsDouble();
421	>	q[2] = tokenizer.nextTokenAsDouble();
422	>	q[3] = tokenizer.nextTokenAsDouble();
423	>
424	>	RealType qlen = q.length();
425	>	if (qlen < OpenMD::epsilon) { //check quaternion is not equal to 0
426	>
427	>	sprintf(painCave.errMsg,
428	>	"DumpReader Error: initial quaternion error (q0^2 + q1^2 + q2^2 + q3^2) ~ 0\n");
429	>	painCave.isFatal = 1;
430	>	simError();
431	>
432	>	}
433	>
434	>	q.normalize();
435	>	if (needQuaternion_) {
436	>	integrableObject->setQ(q);
437	>	}
438	>	}
439	>	break;
440	>	}
441	>	case 'j' : {
442	>	Vector3d ji;
443	>	if (integrableObject->isDirectional()) {
444	>	ji[0] = tokenizer.nextTokenAsDouble();
445	>	ji[1] = tokenizer.nextTokenAsDouble();
446	>	ji[2] = tokenizer.nextTokenAsDouble();
447	>	if (needAngMom_) {
448	>	integrableObject->setJ(ji);
449	>	}
450	>	}
451	>	break;
452	>	}
453	>	case 'f': {
454
455	<	return;
456	<	}
455	>	Vector3d force;
456	>	force[0] = tokenizer.nextTokenAsDouble();
457	>	force[1] = tokenizer.nextTokenAsDouble();
458	>	force[2] = tokenizer.nextTokenAsDouble();
459	>	integrableObject->setFrc(force);
460	>	break;
461	>	}
462	>	case 't' : {
463
464	<	int DumpReader::getNFrames(void) {
464	>	Vector3d torque;
465	>	torque[0] = tokenizer.nextTokenAsDouble();
466	>	torque[1] = tokenizer.nextTokenAsDouble();
467	>	torque[2] = tokenizer.nextTokenAsDouble();
468	>	integrableObject->setTrq(torque);
469	>	break;
470	>	}
471	>	case 'u' : {
472
473	<	if (!isScanned_)
474	<	scanFile();
473	>	RealType particlePot;
474	>	particlePot = tokenizer.nextTokenAsDouble();
475	>	integrableObject->setParticlePot(particlePot);
476	>	break;
477	>	}
478	>	case 'c' : {
479
480	<	return nframes_;
481	<	}
480	>	RealType flucQPos;
481	>	flucQPos = tokenizer.nextTokenAsDouble();
482	>	integrableObject->setFlucQPos(flucQPos);
483	>	break;
484	>	}
485	>	case 'w' : {
486
487	<	void DumpReader::scanFile(void) {
488	<	int i, j;
489	<	int lineNum = 0;
490	<	char readBuffer[maxBufferSize];
491	<	fpos_t * currPos;
487	>	RealType flucQVel;
488	>	flucQVel = tokenizer.nextTokenAsDouble();
489	>	integrableObject->setFlucQVel(flucQVel);
490	>	break;
491	>	}
492	>	case 'g' : {
493
494	<	#ifdef IS_MPI
494	>	RealType flucQFrc;
495	>	flucQFrc = tokenizer.nextTokenAsDouble();
496	>	integrableObject->setFlucQFrc(flucQFrc);
497	>	break;
498	>	}
499	>	case 'e' : {
500
501	<	if (worldRank == 0) {
502	<	#endif // is_mpi
503	<
504	<	rewind(inFile_);
505	<
506	<	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();
501	>	Vector3d eField;
502	>	eField[0] = tokenizer.nextTokenAsDouble();
503	>	eField[1] = tokenizer.nextTokenAsDouble();
504	>	eField[2] = tokenizer.nextTokenAsDouble();
505	>	integrableObject->setElectricField(eField);
506	>	break;
507		}
508	+	default: {
509	+	sprintf(painCave.errMsg,
510	+	"DumpReader Error: %s is an unrecognized type\n", type.c_str());
511	+	painCave.isFatal = 1;
512	+	simError();
513	+	break;
514	+	}
515
516	<	while (!feof(inFile_)) {
517	<	framePos_.push_back(currPos);
516	>	}
517	>	}
518	>
519	>	}
520	>
521
522	<	i = atoi(readBuffer);
522	>	void DumpReader::parseSiteLine(const std::string& line) {
523
524	<	fgets(readBuffer, sizeof(readBuffer), inFile_);
525	<	lineNum++;
526	<
527	<	if (feof(inFile_)) {
528	<	sprintf(painCave.errMsg,
529	<	"File \"%s\" ended unexpectedly at line %d\n",
530	<	filename_.c_str(),
531	<	lineNum);
532	<	painCave.isFatal = 1;
533	<	simError();
534	<	}
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
209	<	}
524	>	StringTokenizer tokenizer(line);
525	>	int nTokens;
526	>
527	>	nTokens = tokenizer.countTokens();
528	>
529	>	if (nTokens < 2) {
530	>	sprintf(painCave.errMsg,
531	>	"DumpReader Error: Not enough Tokens.\n%s\n", line.c_str());
532	>	painCave.isFatal = 1;
533	>	simError();
534	>	}
535
536	<	MPI_Bcast(&nframes_, 1, MPI_INT, 0, MPI_COMM_WORLD);
536	>	/**
537	>	* The first token is the global integrable object index.
538	>	*/
539
540	<	strcpy(checkPointMsg, "Successfully scanned DumpFile\n");
541	<	MPIcheckPoint();
540	>	int index = tokenizer.nextTokenAsInt();
541	>	StuntDouble* integrableObject = info_->getIOIndexToIntegrableObject(index);
542	>	if (integrableObject == NULL) {
543	>	return;
544	>	}
545	>	StuntDouble* sd = integrableObject;
546
547	<	#endif // is_mpi
547	>	/**
548	>	* Test to see if the next token is an integer or not.  If not,
549	>	* we've got data on the integrable object itself.  If there is an
550	>	* integer, we're parsing data for a site on a rigid body.
551	>	*/
552
553	<	isScanned_ = true;
554	<	}
553	>	std::string indexTest = tokenizer.peekNextToken();
554	>	std::istringstream i(indexTest);
555	>	int siteIndex;
556	>	if (i >> siteIndex) {
557	>	// chew up this token and parse as an int:
558	>	siteIndex = tokenizer.nextTokenAsInt();
559	>	RigidBody* rb = static_cast<RigidBody*>(integrableObject);
560	>	sd = rb->getAtoms()[siteIndex];
561	>	}
562
563	<	void DumpReader::readFrame(int whichFrame) {
564	<	readSet(whichFrame);
565	<	}
563	>	/**
564	>	* The next token contains information on what follows.
565	>	*/
566	>	std::string type = tokenizer.nextToken();
567	>	int size = type.size();
568	>
569	>	for(int i = 0; i < size; ++i) {
570	>	switch(type[i]) {
571	>
572	>	case 'u' : {
573	>
574	>	RealType particlePot;
575	>	particlePot = tokenizer.nextTokenAsDouble();
576	>	sd->setParticlePot(particlePot);
577	>	break;
578	>	}
579	>	case 'c' : {
580	>
581	>	RealType flucQPos;
582	>	flucQPos = tokenizer.nextTokenAsDouble();
583	>	sd->setFlucQPos(flucQPos);
584	>	break;
585	>	}
586	>	case 'w' : {
587	>
588	>	RealType flucQVel;
589	>	flucQVel = tokenizer.nextTokenAsDouble();
590	>	sd->setFlucQVel(flucQVel);
591	>	break;
592	>	}
593	>	case 'g' : {
594	>
595	>	RealType flucQFrc;
596	>	flucQFrc = tokenizer.nextTokenAsDouble();
597	>	sd->setFlucQFrc(flucQFrc);
598	>	break;
599	>	}
600	>	case 'e' : {
601	>
602	>	Vector3d eField;
603	>	eField[0] = tokenizer.nextTokenAsDouble();
604	>	eField[1] = tokenizer.nextTokenAsDouble();
605	>	eField[2] = tokenizer.nextTokenAsDouble();
606	>	sd->setElectricField(eField);
607	>	break;
608	>	}
609	>	default: {
610	>	sprintf(painCave.errMsg,
611	>	"DumpReader Error: %s is an unrecognized type\n", type.c_str());
612	>	painCave.isFatal = 1;
613	>	simError();
614	>	break;
615	>	}
616	>	}
617	>	}
618	>	}
619	>
620	>
621	>	void  DumpReader::readStuntDoubles(std::istream& inputStream) {
622	>
623	>	inputStream.getline(buffer, bufferSize);
624	>	std::string line(buffer);
625	>
626	>	if (line.find("<StuntDoubles>") == std::string::npos) {
627	>	sprintf(painCave.errMsg,
628	>	"DumpReader Error: Missing <StuntDoubles>\n");
629	>	painCave.isFatal = 1;
630	>	simError();
631	>	}
632
633	<	void DumpReader::readSet(int whichFrame) {
634	<	int i;
635	<	int nTotObjs;                  // the number of atoms
636	<	char read_buffer[maxBufferSize];  //the line buffer for reading
637	<	char * eof_test;               // ptr to see when we reach the end of the file
633	>	while(inputStream.getline(buffer, bufferSize)) {
634	>	line = buffer;
635	>
636	>	if(line.find("</StuntDoubles>") != std::string::npos) {
637	>	break;
638	>	}
639
640	<	Molecule* mol;
232	<	StuntDouble* integrableObject;
233	<	SimInfo::MoleculeIterator mi;
234	<	Molecule::IntegrableObjectIterator ii;
235	<
236	<	#ifndef IS_MPI
237	<
238	<	fsetpos(inFile_, framePos_[whichFrame]);
239	<	eof_test = fgets(read_buffer, sizeof(read_buffer), inFile_);
240	<
241	<	if (eof_test == NULL) {
242	<	sprintf(painCave.errMsg,
243	<	"DumpReader error: error reading 1st line of \"%s\"\n",
244	<	filename_.c_str());
245	<	painCave.isFatal = 1;
246	<	simError();
640	>	parseDumpLine(line);
641		}
642	+
643	+	}
644
645	<	nTotObjs = atoi(read_buffer);
645	>	void  DumpReader::readSiteData(std::istream& inputStream) {
646
647	<	if (nTotObjs != info_->getNGlobalIntegrableObjects()) {
648	<	sprintf(painCave.errMsg,
649	<	"DumpReader error. %s nIntegrable, %d, "
650	<	"does not match the meta-data file's nIntegrable, %d.\n",
651	<	filename_.c_str(),
652	<	nTotObjs,
257	<	info_->getNGlobalIntegrableObjects());
258	<
259	<	painCave.isFatal = 1;
260	<	simError();
647	>	inputStream.getline(buffer, bufferSize);
648	>	std::string line(buffer);
649	>
650	>	if (line.find("<SiteData>") == std::string::npos) {
651	>	// site data isn't required for a simulation, so skip
652	>	return;
653		}
654
655	<	//read the box mat from the comment line
655	>	while(inputStream.getline(buffer, bufferSize)) {
656	>	line = buffer;
657	>
658	>	if(line.find("</SiteData>") != std::string::npos) {
659	>	break;
660	>	}
661
662	<	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();
662	>	parseSiteLine(line);
663		}
664	+
665	+	}
666
667	<	parseCommentLine(read_buffer, info_->getSnapshotManager()->getCurrentSnapshot());
667	>	void DumpReader::readFrameProperties(std::istream& inputStream) {
668
669	<	//parse dump lines
669	>	Snapshot* s = info_->getSnapshotManager()->getCurrentSnapshot();
670	>	inputStream.getline(buffer, bufferSize);
671	>	std::string line(buffer);
672
673	<	for (mol = info_->beginMolecule(mi); mol != NULL; mol = info_->nextMolecule(mi)) {
674	<
675	<	for (integrableObject = mol->beginIntegrableObject(ii); integrableObject != NULL;
676	<	integrableObject = mol->nextIntegrableObject(ii)) {
677	<
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	<	}
673	>	if (line.find("<FrameData>") == std::string::npos) {
674	>	sprintf(painCave.errMsg,
675	>	"DumpReader Error: Missing <FrameData>\n");
676	>	painCave.isFatal = 1;
677	>	simError();
678		}
679
680	<	// MPI Section of code..........
680	>	while(inputStream.getline(buffer, bufferSize)) {
681	>	line = buffer;
682	>
683	>	if(line.find("</FrameData>") != std::string::npos) {
684	>	break;
685	>	}
686	>
687	>	StringTokenizer tokenizer(line, " ;\t\n\r{}:,");
688	>	if (!tokenizer.hasMoreTokens()) {
689	>	sprintf(painCave.errMsg,
690	>	"DumpReader Error: Not enough Tokens.\n%s\n", line.c_str());
691	>	painCave.isFatal = 1;
692	>	simError();
693	>	}
694
695	<	#else //IS_MPI
696	<
697	<	// first thing first, suspend fatalities.
698	<	int masterNode = 0;
699	<	int nCurObj;
700	<	painCave.isEventLoop = 1;
701	<
702	<	int myStatus; // 1 = wakeup & success; 0 = error; -1 = AllDone
703	<	int haveError;
704	<
705	<	MPI_Status istatus;
706	<	int nitems;
707	<
708	<	nTotObjs = info_->getNGlobalIntegrableObjects();
709	<	haveError = 0;
710	<
711	<	if (worldRank == masterNode) {
712	<	fsetpos(inFile_, framePos_[whichFrame]);
695	>	std::string propertyName = tokenizer.nextToken();
696	>	if (propertyName == "Time") {
697	>	RealType currTime = tokenizer.nextTokenAsDouble();
698	>	s->setTime(currTime);
699	>	} else if (propertyName == "Hmat"){
700	>	Mat3x3d hmat;
701	>	hmat(0, 0) = tokenizer.nextTokenAsDouble();
702	>	hmat(0, 1) = tokenizer.nextTokenAsDouble();
703	>	hmat(0, 2) = tokenizer.nextTokenAsDouble();
704	>	hmat(1, 0) = tokenizer.nextTokenAsDouble();
705	>	hmat(1, 1) = tokenizer.nextTokenAsDouble();
706	>	hmat(1, 2) = tokenizer.nextTokenAsDouble();
707	>	hmat(2, 0) = tokenizer.nextTokenAsDouble();
708	>	hmat(2, 1) = tokenizer.nextTokenAsDouble();
709	>	hmat(2, 2) = tokenizer.nextTokenAsDouble();
710	>	s->setHmat(hmat);
711	>	} else if (propertyName == "Thermostat") {
712	>	pair<RealType, RealType> thermostat;
713	>	thermostat.first = tokenizer.nextTokenAsDouble();
714	>	thermostat.second = tokenizer.nextTokenAsDouble();
715	>	s->setThermostat(thermostat);
716	>	} else if (propertyName == "Barostat") {
717	>	Mat3x3d eta;
718	>	eta(0, 0) = tokenizer.nextTokenAsDouble();
719	>	eta(0, 1) = tokenizer.nextTokenAsDouble();
720	>	eta(0, 2) = tokenizer.nextTokenAsDouble();
721	>	eta(1, 0) = tokenizer.nextTokenAsDouble();
722	>	eta(1, 1) = tokenizer.nextTokenAsDouble();
723	>	eta(1, 2) = tokenizer.nextTokenAsDouble();
724	>	eta(2, 0) = tokenizer.nextTokenAsDouble();
725	>	eta(2, 1) = tokenizer.nextTokenAsDouble();
726	>	eta(2, 2) = tokenizer.nextTokenAsDouble();
727	>	s->setBarostat(eta);
728	>	} else {
729	>	sprintf(painCave.errMsg,
730	>	"DumpReader Error: %s is an invalid property in <FrameData>\n", propertyName.c_str());
731	>	painCave.isFatal = 0;
732	>	simError();
733	>	}
734	>
735	>	}
736
737	<	eof_test = fgets(read_buffer, sizeof(read_buffer), inFile_);
737	>	}
738
739	<	if (eof_test == NULL) {
740	<	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
739	>
740	>	}//end namespace OpenMD

Comparing:
trunk/src/io/DumpReader.cpp (property svn:keywords), Revision 273 by tim, Tue Jan 25 17:45:23 2005 UTC vs.
branches/development/src/io/DumpReader.cpp (property svn:keywords), Revision 1764 by gezelter, Tue Jul 3 18:32:27 2012 UTC

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