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1 /*
2  *  classifyseqscommand.cpp
3  *  Mothur
4  *
5  *  Created by westcott on 11/2/09.
6  *  Copyright 2009 Schloss Lab. All rights reserved.
7  *
8  */
9
10 #include "classifyseqscommand.h"
11 #include "sequence.hpp"
12 #include "bayesian.h"
13 #include "phylotree.h"
14 #include "knn.h"
15
16 //**********************************************************************************************************************
17
18 ClassifySeqsCommand::ClassifySeqsCommand(string option)  {
19         try {
20                 abort = false;
21                 
22                 //allow user to run help
23                 if(option == "help") { help(); abort = true; }
24                 
25                 else {
26                         
27                         //valid paramters for this command
28                         string AlignArray[] =  {"template","fasta","name","search","ksize","method","processors","taxonomy","match","mismatch","gapopen","gapextend","numwanted","cutoff","probs","iters", "outputdir","inputdir"};
29                         vector<string> myArray (AlignArray, AlignArray+(sizeof(AlignArray)/sizeof(string)));
30                         
31                         OptionParser parser(option);
32                         map<string, string> parameters = parser.getParameters(); 
33                         
34                         ValidParameters validParameter;
35                         map<string, string>::iterator it;
36                         
37                         //check to make sure all parameters are valid for command
38                         for (it = parameters.begin(); it != parameters.end(); it++) { 
39                                 if (validParameter.isValidParameter(it->first, myArray, it->second) != true) {  abort = true;  }
40                         }
41                         
42                         //if the user changes the output directory command factory will send this info to us in the output parameter 
43                         outputDir = validParameter.validFile(parameters, "outputdir", false);           if (outputDir == "not found"){  outputDir = "";         }
44                         
45                         //if the user changes the input directory command factory will send this info to us in the output parameter 
46                         string inputDir = validParameter.validFile(parameters, "inputdir", false);              
47                         if (inputDir == "not found"){   inputDir = "";          }
48                         else {
49                                 string path;
50                                 it = parameters.find("template");
51                                 //user has given a template file
52                                 if(it != parameters.end()){ 
53                                         path = hasPath(it->second);
54                                         //if the user has not given a path then, add inputdir. else leave path alone.
55                                         if (path == "") {       parameters["template"] = inputDir + it->second;         }
56                                 }
57                                 
58                                 it = parameters.find("taxonomy");
59                                 //user has given a template file
60                                 if(it != parameters.end()){ 
61                                         path = hasPath(it->second);
62                                         //if the user has not given a path then, add inputdir. else leave path alone.
63                                         if (path == "") {       parameters["taxonomy"] = inputDir + it->second;         }
64                                 }
65                         }
66
67                         //check for required parameters
68                         templateFileName = validParameter.validFile(parameters, "template", true);
69                         if (templateFileName == "not found") { 
70                                 m->mothurOut("template is a required parameter for the classify.seqs command."); 
71                                 m->mothurOutEndLine();
72                                 abort = true; 
73                         }
74                         else if (templateFileName == "not open") { abort = true; }      
75                         
76                         fastaFileName = validParameter.validFile(parameters, "fasta", false);
77                         if (fastaFileName == "not found") { m->mothurOut("fasta is a required parameter for the classify.seqs command."); m->mothurOutEndLine(); abort = true;  }
78                         else { 
79                                 splitAtDash(fastaFileName, fastaFileNames);
80                                 
81                                 //go through files and make sure they are good, if not, then disregard them
82                                 for (int i = 0; i < fastaFileNames.size(); i++) {
83                                         if (inputDir != "") {
84                                                 string path = hasPath(fastaFileNames[i]);
85                                                 //if the user has not given a path then, add inputdir. else leave path alone.
86                                                 if (path == "") {       fastaFileNames[i] = inputDir + fastaFileNames[i];               }
87                                         }
88                                         
89                                         int ableToOpen;
90                                         
91                                         #ifdef USE_MPI  
92                                                 int pid;
93                                                 MPI_Comm_size(MPI_COMM_WORLD, &processors); //set processors to the number of mpi processes running
94                                                 MPI_Comm_rank(MPI_COMM_WORLD, &pid); //find out who we are
95                                 
96                                                 if (pid == 0) {
97                                         #endif
98                                         
99                                         ifstream in;
100                                         ableToOpen = openInputFile(fastaFileNames[i], in);
101                                         in.close();
102                                         
103                                         #ifdef USE_MPI  
104                                                         for (int j = 1; j < processors; j++) {
105                                                                 MPI_Send(&ableToOpen, 1, MPI_INT, j, 2001, MPI_COMM_WORLD); 
106                                                         }
107                                                 }else{
108                                                         MPI_Status status;
109                                                         MPI_Recv(&ableToOpen, 1, MPI_INT, 0, 2001, MPI_COMM_WORLD, &status);
110                                                 }
111                                                 
112                                         #endif
113                                         
114                                         if (ableToOpen == 1) { 
115                                                 m->mothurOut(fastaFileNames[i] + " will be disregarded."); m->mothurOutEndLine(); 
116                                                 //erase from file list
117                                                 fastaFileNames.erase(fastaFileNames.begin()+i);
118                                                 i--;
119                                         }
120                                         
121                                 }
122                                 
123                                 //make sure there is at least one valid file left
124                                 if (fastaFileNames.size() == 0) { m->mothurOut("no valid files."); m->mothurOutEndLine(); abort = true; }
125                         }
126
127                         
128                         taxonomyFileName = validParameter.validFile(parameters, "taxonomy", true);
129                         if (taxonomyFileName == "not found") { 
130                                 m->mothurOut("taxonomy is a required parameter for the classify.seqs command."); 
131                                 m->mothurOutEndLine();
132                                 abort = true; 
133                         }
134                         else if (taxonomyFileName == "not open") { abort = true; }      
135                         
136                         
137                         namefile = validParameter.validFile(parameters, "name", false);
138                         if (namefile == "not found") { namefile = "";  }
139
140                         else { 
141                                 splitAtDash(namefile, namefileNames);
142                                 
143                                 //go through files and make sure they are good, if not, then disregard them
144                                 for (int i = 0; i < namefileNames.size(); i++) {
145                                         if (inputDir != "") {
146                                                 string path = hasPath(namefileNames[i]);
147                                                 //if the user has not given a path then, add inputdir. else leave path alone.
148                                                 if (path == "") {       namefileNames[i] = inputDir + namefileNames[i];         }
149                                         }
150                                         int ableToOpen;
151                                         
152                                         #ifdef USE_MPI  
153                                                 int pid;
154                                                 MPI_Comm_size(MPI_COMM_WORLD, &processors); //set processors to the number of mpi processes running
155                                                 MPI_Comm_rank(MPI_COMM_WORLD, &pid); //find out who we are
156                                 
157                                                 if (pid == 0) {
158                                         #endif
159
160                                         ifstream in;
161                                         ableToOpen = openInputFile(namefileNames[i], in);
162                                         in.close();
163                                         
164                                         #ifdef USE_MPI  
165                                                         for (int j = 1; j < processors; j++) {
166                                                                 MPI_Send(&ableToOpen, 1, MPI_INT, j, 2001, MPI_COMM_WORLD); 
167                                                         }
168                                                 }else{
169                                                         MPI_Status status;
170                                                         MPI_Recv(&ableToOpen, 1, MPI_INT, 0, 2001, MPI_COMM_WORLD, &status);
171                                                 }
172                                                 
173                                         #endif
174                                         if (ableToOpen == 1) {  m->mothurOut("Unable to match name file with fasta file."); m->mothurOutEndLine(); abort = true;        }
175                                         
176                                 }
177                         }
178
179                         if (namefile != "") {
180                                 if (namefileNames.size() != fastaFileNames.size()) { abort = true; m->mothurOut("If you provide a name file, you must have one for each fasta file."); m->mothurOutEndLine(); }
181                         }
182                         
183                         //check for optional parameter and set defaults
184                         // ...at some point should added some additional type checking...
185                         string temp;
186                         temp = validParameter.validFile(parameters, "ksize", false);            if (temp == "not found"){       temp = "8";                             }
187                         convert(temp, kmerSize); 
188                         
189                         temp = validParameter.validFile(parameters, "processors", false);       if (temp == "not found"){       temp = "1";                             }
190                         convert(temp, processors); 
191                         
192                         search = validParameter.validFile(parameters, "search", false);         if (search == "not found"){     search = "kmer";                }
193                         
194                         method = validParameter.validFile(parameters, "method", false);         if (method == "not found"){     method = "bayesian";    }
195                         
196                         temp = validParameter.validFile(parameters, "match", false);            if (temp == "not found"){       temp = "1.0";                   }
197                         convert(temp, match);  
198                         
199                         temp = validParameter.validFile(parameters, "mismatch", false);         if (temp == "not found"){       temp = "-1.0";                  }
200                         convert(temp, misMatch);  
201                         
202                         temp = validParameter.validFile(parameters, "gapopen", false);          if (temp == "not found"){       temp = "-2.0";                  }
203                         convert(temp, gapOpen);  
204                         
205                         temp = validParameter.validFile(parameters, "gapextend", false);        if (temp == "not found"){       temp = "-1.0";                  }
206                         convert(temp, gapExtend); 
207                         
208                         temp = validParameter.validFile(parameters, "numwanted", false);        if (temp == "not found"){       temp = "10";                    }
209                         convert(temp, numWanted);
210                         
211                         temp = validParameter.validFile(parameters, "cutoff", false);           if (temp == "not found"){       temp = "0";                             }
212                         convert(temp, cutoff);
213                         
214                         temp = validParameter.validFile(parameters, "probs", false);            if (temp == "not found"){       temp = "true";                  }
215                         probs = isTrue(temp);
216                         
217                         temp = validParameter.validFile(parameters, "iters", false);            if (temp == "not found") { temp = "100";                        }
218                         convert(temp, iters); 
219
220
221                         
222                         if ((method == "bayesian") && (search != "kmer"))  { 
223                                 m->mothurOut("The bayesian method requires the kmer search." + search + "will be disregarded." ); m->mothurOutEndLine();
224                                 search = "kmer";
225                         }
226                 }
227                 
228         }
229         catch(exception& e) {
230                 m->errorOut(e, "ClassifySeqsCommand", "ClassifySeqsCommand");
231                 exit(1);
232         }
233 }
234
235 //**********************************************************************************************************************
236
237 ClassifySeqsCommand::~ClassifySeqsCommand(){    
238
239         if (abort == false) {
240                 for (int i = 0; i < lines.size(); i++) {  delete lines[i];  }  lines.clear();
241         }
242 }
243
244 //**********************************************************************************************************************
245
246 void ClassifySeqsCommand::help(){
247         try {
248                 m->mothurOut("The classify.seqs command reads a fasta file containing sequences and creates a .taxonomy file and a .tax.summary file.\n");
249                 m->mothurOut("The classify.seqs command parameters are template, fasta, name, search, ksize, method, taxonomy, processors, match, mismatch, gapopen, gapextend, numwanted and probs.\n");
250                 m->mothurOut("The template, fasta and taxonomy parameters are required. You may enter multiple fasta files by separating their names with dashes. ie. fasta=abrecovery.fasta-amzon.fasta \n");
251                 m->mothurOut("The search parameter allows you to specify the method to find most similar template.  Your options are: suffix, kmer, blast and distance. The default is kmer.\n");
252                 m->mothurOut("The name parameter allows you add a names file with your fasta file, if you enter multiple fasta files, you must enter matching names files for them.\n");
253                 m->mothurOut("The method parameter allows you to specify classification method to use.  Your options are: bayesian and knn. The default is bayesian.\n");
254                 m->mothurOut("The ksize parameter allows you to specify the kmer size for finding most similar template to candidate.  The default is 8.\n");
255                 m->mothurOut("The processors parameter allows you to specify the number of processors to use. The default is 1.\n");
256                 #ifdef USE_MPI
257                 m->mothurOut("When using MPI, the processors parameter is set to the number of MPI processes running. \n");
258                 #endif
259                 m->mothurOut("The match parameter allows you to specify the bonus for having the same base. The default is 1.0.\n");
260                 m->mothurOut("The mistmatch parameter allows you to specify the penalty for having different bases.  The default is -1.0.\n");
261                 m->mothurOut("The gapopen parameter allows you to specify the penalty for opening a gap in an alignment. The default is -2.0.\n");
262                 m->mothurOut("The gapextend parameter allows you to specify the penalty for extending a gap in an alignment.  The default is -1.0.\n");
263                 m->mothurOut("The numwanted parameter allows you to specify the number of sequence matches you want with the knn method.  The default is 10.\n");
264                 m->mothurOut("The cutoff parameter allows you to specify a bootstrap confidence threshold for your taxonomy.  The default is 0.\n");
265                 m->mothurOut("The probs parameter shut off the bootstrapping results for the bayesian method. The default is true, meaning you want the bootstrapping to be run.\n");
266                 m->mothurOut("The iters parameter allows you to specify how many iterations to do when calculating the bootstrap confidence score for your taxonomy with the bayesian method.  The default is 100.\n");
267                 m->mothurOut("The classify.seqs command should be in the following format: \n");
268                 m->mothurOut("classify.seqs(template=yourTemplateFile, fasta=yourFastaFile, method=yourClassificationMethod, search=yourSearchmethod, ksize=yourKmerSize, taxonomy=yourTaxonomyFile, processors=yourProcessors) \n");
269                 m->mothurOut("Example classify.seqs(fasta=amazon.fasta, template=core.filtered, method=knn, search=gotoh, ksize=8, processors=2)\n");
270                 m->mothurOut("The .taxonomy file consists of 2 columns: 1 = your sequence name, 2 = the taxonomy for your sequence. \n");
271                 m->mothurOut("The .tax.summary is a summary of the different taxonomies represented in your fasta file. \n");
272                 m->mothurOut("Note: No spaces between parameter labels (i.e. fasta), '=' and parameters (i.e.yourFastaFile).\n\n");
273         }
274         catch(exception& e) {
275                 m->errorOut(e, "ClassifySeqsCommand", "help");
276                 exit(1);
277         }
278 }
279
280
281 //**********************************************************************************************************************
282
283 int ClassifySeqsCommand::execute(){
284         try {
285                 if (abort == true) {    return 0;       }
286                 
287                 if(method == "bayesian"){       classify = new Bayesian(taxonomyFileName, templateFileName, search, kmerSize, cutoff, iters);           }
288                 else if(method == "knn"){       classify = new Knn(taxonomyFileName, templateFileName, search, kmerSize, gapOpen, gapExtend, match, misMatch, numWanted);                               }
289                 else {
290                         m->mothurOut(search + " is not a valid method option. I will run the command using bayesian.");
291                         m->mothurOutEndLine();
292                         classify = new Bayesian(taxonomyFileName, templateFileName, search, kmerSize, cutoff, iters);   
293                 }
294                 
295                 if (m->control_pressed) { delete classify; return 0; }
296                 
297                 vector<string> outputNames;
298                                 
299                 for (int s = 0; s < fastaFileNames.size(); s++) {
300                 
301                         m->mothurOut("Classifying sequences from " + fastaFileNames[s] + " ..." ); m->mothurOutEndLine();
302                         
303                         if (outputDir == "") { outputDir += hasPath(fastaFileNames[s]); }
304                         string newTaxonomyFile = outputDir + getRootName(getSimpleName(fastaFileNames[s])) + getRootName(getSimpleName(taxonomyFileName)) + "taxonomy";
305                         string tempTaxonomyFile = outputDir + getRootName(getSimpleName(fastaFileNames[s])) + "taxonomy.temp";
306                         string taxSummary = outputDir + getRootName(getSimpleName(fastaFileNames[s])) + getRootName(getSimpleName(taxonomyFileName)) + "tax.summary";
307                         
308                         outputNames.push_back(newTaxonomyFile);
309                         outputNames.push_back(taxSummary);
310                         
311                         int start = time(NULL);
312                         int numFastaSeqs = 0;
313                         for (int i = 0; i < lines.size(); i++) {  delete lines[i];  }  lines.clear();
314                         
315 #ifdef USE_MPI  
316                                 int pid, end, numSeqsPerProcessor; 
317                                 int tag = 2001;
318                                 vector<long> MPIPos;
319                                 
320                                 MPI_Status status; 
321                                 MPI_Comm_rank(MPI_COMM_WORLD, &pid); //find out who we are
322                                 MPI_Comm_size(MPI_COMM_WORLD, &processors); 
323
324                                 MPI_File inMPI;
325                                 MPI_File outMPINewTax;
326                                 MPI_File outMPITempTax;
327                                                         
328                                 int outMode=MPI_MODE_CREATE|MPI_MODE_WRONLY; 
329                                 int inMode=MPI_MODE_RDONLY; 
330                                 
331                                 char* outNewTax = new char[newTaxonomyFile.length()];\r
332                                 memcpy(outNewTax, newTaxonomyFile.c_str(), newTaxonomyFile.length());
333                         
334                                 char* outTempTax = new char[tempTaxonomyFile.length()];\r
335                                 memcpy(outTempTax, tempTaxonomyFile.c_str(), tempTaxonomyFile.length());
336
337                                 char* inFileName = new char[fastaFileNames[s].length()];\r
338                                 memcpy(inFileName, fastaFileNames[s].c_str(), fastaFileNames[s].length());
339
340                                 MPI_File_open(MPI_COMM_WORLD, inFileName, inMode, MPI_INFO_NULL, &inMPI);  //comm, filename, mode, info, filepointer
341                                 MPI_File_open(MPI_COMM_WORLD, outNewTax, outMode, MPI_INFO_NULL, &outMPINewTax);
342                                 MPI_File_open(MPI_COMM_WORLD, outTempTax, outMode, MPI_INFO_NULL, &outMPITempTax);
343                                 
344                                 delete outNewTax;
345                                 delete outTempTax;
346                                 delete inFileName;
347
348                                 if (m->control_pressed) {  MPI_File_close(&inMPI);  MPI_File_close(&outMPINewTax);   MPI_File_close(&outMPITempTax);  delete classify; return 0;  }
349
350                                 if(namefile != "") {  MPIReadNamesFile(namefileNames[s]);  }
351                                 
352                                 if (pid == 0) { //you are the root process 
353                                         
354                                         MPIPos = setFilePosFasta(fastaFileNames[s], numFastaSeqs); //fills MPIPos, returns numSeqs
355                                         
356                                         //send file positions to all processes
357                                         MPI_Bcast(&numFastaSeqs, 1, MPI_INT, 0, MPI_COMM_WORLD);  //send numSeqs
358                                         MPI_Bcast(&MPIPos[0], (numFastaSeqs+1), MPI_LONG, 0, MPI_COMM_WORLD); //send file pos   
359                                         
360                                         //figure out how many sequences you have to align
361                                         numSeqsPerProcessor = numFastaSeqs / processors;
362                                         if(pid == (processors - 1)){    numSeqsPerProcessor = numFastaSeqs - pid * numSeqsPerProcessor;         }
363                                         int startIndex =  pid * numSeqsPerProcessor;
364                                 
365                                         //align your part
366                                         driverMPI(startIndex, numSeqsPerProcessor, inMPI, outMPINewTax, outMPITempTax, MPIPos);
367                                         
368                                         if (m->control_pressed) {  MPI_File_close(&inMPI);  MPI_File_close(&outMPINewTax);   MPI_File_close(&outMPITempTax);  for (int i = 0; i < outputNames.size(); i++) {    remove(outputNames[i].c_str()); } delete classify; return 0;  }
369                                         
370                                         for (int i = 1; i < processors; i++) {
371                                                 int done;
372                                                 MPI_Recv(&done, 1, MPI_INT, i, tag, MPI_COMM_WORLD, &status);
373                                         }
374                                 }else{ //you are a child process
375                                         MPI_Bcast(&numFastaSeqs, 1, MPI_INT, 0, MPI_COMM_WORLD); //get numSeqs
376                                         MPIPos.resize(numFastaSeqs+1);
377                                         MPI_Bcast(&MPIPos[0], (numFastaSeqs+1), MPI_LONG, 0, MPI_COMM_WORLD); //get file positions
378                                         
379                                         //figure out how many sequences you have to align
380                                         numSeqsPerProcessor = numFastaSeqs / processors;
381                                         if(pid == (processors - 1)){    numSeqsPerProcessor = numFastaSeqs - pid * numSeqsPerProcessor;         }
382                                         int startIndex =  pid * numSeqsPerProcessor;
383                                         
384                                         //align your part
385                                         driverMPI(startIndex, numSeqsPerProcessor, inMPI, outMPINewTax, outMPITempTax, MPIPos);
386                                         
387                                         if (m->control_pressed) {  MPI_File_close(&inMPI);  MPI_File_close(&outMPINewTax);   MPI_File_close(&outMPITempTax);  delete classify; return 0;  }
388
389                                         int done = 0;
390                                         MPI_Send(&done, 1, MPI_INT, 0, tag, MPI_COMM_WORLD); 
391                                 }
392                                 
393                                 //close files 
394                                 MPI_File_close(&inMPI);
395                                 MPI_File_close(&outMPINewTax);
396                                 MPI_File_close(&outMPITempTax);
397                                 
398 #else
399                         //read namefile
400                         if(namefile != "") {
401                                 nameMap.clear(); //remove old names
402                                 
403                                 ifstream inNames;
404                                 openInputFile(namefileNames[s], inNames);
405                                 
406                                 string firstCol, secondCol;
407                                 while(!inNames.eof()) {
408                                         inNames >> firstCol >> secondCol; gobble(inNames);
409                                         nameMap[firstCol] = getNumNames(secondCol);  //ex. seq1 seq1,seq3,seq5 -> seq1 = 3.
410                                 }
411                                 inNames.close();
412                         }
413
414         #if defined (__APPLE__) || (__MACH__) || (linux) || (__linux)
415                         if(processors == 1){
416                                 ifstream inFASTA;
417                                 openInputFile(fastaFileNames[s], inFASTA);
418                                 numFastaSeqs=count(istreambuf_iterator<char>(inFASTA),istreambuf_iterator<char>(), '>');
419                                 inFASTA.close();
420                                 
421                                 lines.push_back(new linePair(0, numFastaSeqs));
422                                 
423                                 driver(lines[0], newTaxonomyFile, tempTaxonomyFile, fastaFileNames[s]);
424                         }
425                         else{
426                                 vector<int> positions;
427                                 processIDS.resize(0);
428                                 
429                                 ifstream inFASTA;
430                                 openInputFile(fastaFileNames[s], inFASTA);
431                                 
432                                 string input;
433                                 while(!inFASTA.eof()){
434                                         input = getline(inFASTA);
435                                         if (input.length() != 0) {
436                                                 if(input[0] == '>'){    int pos = inFASTA.tellg(); positions.push_back(pos - input.length() - 1);       }
437                                         }
438                                 }
439                                 inFASTA.close();
440                                 
441                                 numFastaSeqs = positions.size();
442                                 
443                                 int numSeqsPerProcessor = numFastaSeqs / processors;
444                                 
445                                 for (int i = 0; i < processors; i++) {
446                                         int startPos = positions[ i * numSeqsPerProcessor ];
447                                         if(i == processors - 1){
448                                                 numSeqsPerProcessor = numFastaSeqs - i * numSeqsPerProcessor;
449                                         }
450                                         lines.push_back(new linePair(startPos, numSeqsPerProcessor));
451                                 }
452                                 createProcesses(newTaxonomyFile, tempTaxonomyFile, fastaFileNames[s]); 
453                                 
454                                 rename((newTaxonomyFile + toString(processIDS[0]) + ".temp").c_str(), newTaxonomyFile.c_str());
455                                 rename((tempTaxonomyFile + toString(processIDS[0]) + ".temp").c_str(), tempTaxonomyFile.c_str());
456                                 
457                                 for(int i=1;i<processors;i++){
458                                         appendTaxFiles((newTaxonomyFile + toString(processIDS[i]) + ".temp"), newTaxonomyFile);
459                                         appendTaxFiles((tempTaxonomyFile + toString(processIDS[i]) + ".temp"), tempTaxonomyFile);
460                                         remove((newTaxonomyFile + toString(processIDS[i]) + ".temp").c_str());
461                                         remove((tempTaxonomyFile + toString(processIDS[i]) + ".temp").c_str());
462                                 }
463                                 
464                         }
465         #else
466                         ifstream inFASTA;
467                         openInputFile(fastaFileNames[s], inFASTA);
468                         numFastaSeqs=count(istreambuf_iterator<char>(inFASTA),istreambuf_iterator<char>(), '>');
469                         inFASTA.close();
470                         
471                         lines.push_back(new linePair(0, numFastaSeqs));
472                         
473                         driver(lines[0], newTaxonomyFile, tempTaxonomyFile, fastaFileNames[s]);
474         #endif  
475 #endif
476
477                 #ifdef USE_MPI  
478                         if (pid == 0) {  //this part does not need to be paralellized
479                 #endif
480
481                         //make taxonomy tree from new taxonomy file 
482                         PhyloTree taxaBrowser;
483                         
484                         if (m->control_pressed) {  for (int i = 0; i < outputNames.size(); i++) {       remove(outputNames[i].c_str()); } delete classify; return 0; }
485                         
486                         ifstream in;
487                         openInputFile(tempTaxonomyFile, in);
488                 
489                         //read in users taxonomy file and add sequences to tree
490                         string name, taxon;
491                         while(!in.eof()){
492                                 in >> name >> taxon; gobble(in);
493                                 
494                                 if (m->control_pressed) {  for (int i = 0; i < outputNames.size(); i++) {       remove(outputNames[i].c_str()); } remove(tempTaxonomyFile.c_str()); delete classify; return 0; }
495                                 
496                                 if (namefile != "") {
497                                         itNames = nameMap.find(name);
498                 
499                                         if (itNames == nameMap.end()) { 
500                                                 m->mothurOut(name + " is not in your name file please correct."); m->mothurOutEndLine(); exit(1);
501                                         }else{
502                                                 for (int i = 0; i < itNames->second; i++) { 
503                                                         taxaBrowser.addSeqToTree(name+toString(i), taxon);  //add it as many times as there are identical seqs
504                                                 }
505                                         }
506                                 }else {  taxaBrowser.addSeqToTree(name, taxon);  } //add it once
507                         }
508                         in.close();
509         
510                         taxaBrowser.assignHeirarchyIDs(0);
511                         
512                         if (m->control_pressed) {  for (int i = 0; i < outputNames.size(); i++) {       remove(outputNames[i].c_str()); } remove(tempTaxonomyFile.c_str()); delete classify; return 0; }
513
514                         taxaBrowser.binUnclassified();
515                         
516                         remove(tempTaxonomyFile.c_str());
517                         
518                         if (m->control_pressed) {  for (int i = 0; i < outputNames.size(); i++) {       remove(outputNames[i].c_str()); } delete classify; return 0; }
519
520                         
521                         //print summary file
522                         ofstream outTaxTree;
523                         openOutputFile(taxSummary, outTaxTree);
524                         taxaBrowser.print(outTaxTree);
525                         outTaxTree.close();
526                         
527                         //output taxonomy with the unclassified bins added
528                         ifstream inTax;
529                         openInputFile(newTaxonomyFile, inTax);
530                         
531                         ofstream outTax;
532                         string unclass = newTaxonomyFile + ".unclass.temp";
533                         openOutputFile(unclass, outTax);
534                         
535                         //get maxLevel from phylotree so you know how many 'unclassified's to add
536                         int maxLevel = taxaBrowser.getMaxLevel();
537                         
538                         //read taxfile - this reading and rewriting is done to preserve the confidence scores.
539                         while (!inTax.eof()) {
540                                 if (m->control_pressed) {  for (int i = 0; i < outputNames.size(); i++) {       remove(outputNames[i].c_str()); } remove(unclass.c_str()); delete classify; return 0; }
541
542                                 inTax >> name >> taxon; gobble(inTax);
543                                 
544                                 string newTax = addUnclassifieds(taxon, maxLevel);
545                                 
546                                 outTax << name << '\t' << newTax << endl;
547                         }
548                         inTax.close();  
549                         outTax.close();
550                         
551                         remove(newTaxonomyFile.c_str());
552                         rename(unclass.c_str(), newTaxonomyFile.c_str());
553                         
554                         #ifdef USE_MPI  
555                                 }
556                         #endif
557
558                         m->mothurOutEndLine();
559                         m->mothurOut("Output File Names: "); m->mothurOutEndLine();
560                         for (int i = 0; i < outputNames.size(); i++) {  m->mothurOut(outputNames[i]); m->mothurOutEndLine();    }
561                         m->mothurOutEndLine();
562
563                         
564                         m->mothurOutEndLine();
565                         m->mothurOut("It took " + toString(time(NULL) - start) + " secs to classify " + toString(numFastaSeqs) + " sequences."); m->mothurOutEndLine(); m->mothurOutEndLine();
566                 }
567                 
568                 delete classify;
569                 return 0;
570         }
571         catch(exception& e) {
572                 m->errorOut(e, "ClassifySeqsCommand", "execute");
573                 exit(1);
574         }
575 }
576
577 /**************************************************************************************************/
578 string ClassifySeqsCommand::addUnclassifieds(string tax, int maxlevel) {
579         try{
580                 string newTax, taxon;
581                 int level = 0;
582                 
583                 //keep what you have counting the levels
584                 while (tax.find_first_of(';') != -1) {
585                         //get taxon
586                         taxon = tax.substr(0,tax.find_first_of(';'))+';';
587                         tax = tax.substr(tax.find_first_of(';')+1, tax.length());
588                         newTax += taxon;
589                         level++;
590                 }
591                 
592                 //add "unclassified" until you reach maxLevel
593                 while (level < maxlevel) {
594                         newTax += "unclassified;";
595                         level++;
596                 }
597                 
598                 return newTax;
599         }
600         catch(exception& e) {
601                 m->errorOut(e, "ClassifySeqsCommand", "addUnclassifieds");
602                 exit(1);
603         }
604 }
605
606 /**************************************************************************************************/
607
608 void ClassifySeqsCommand::createProcesses(string taxFileName, string tempTaxFile, string filename) {
609         try {
610 #if defined (__APPLE__) || (__MACH__) || (linux) || (__linux)
611                 int process = 0;
612                 //              processIDS.resize(0);
613                 
614                 //loop through and create all the processes you want
615                 while (process != processors) {
616                         int pid = fork();
617                         
618                         if (pid > 0) {
619                                 processIDS.push_back(pid);  //create map from line number to pid so you can append files in correct order later
620                                 process++;
621                         }else if (pid == 0){
622                                 driver(lines[process], taxFileName + toString(getpid()) + ".temp", tempTaxFile + toString(getpid()) + ".temp", filename);
623                                 exit(0);
624                         }else { m->mothurOut("unable to spawn the necessary processes."); m->mothurOutEndLine(); exit(0); }
625                 }
626                 
627                 //force parent to wait until all the processes are done
628                 for (int i=0;i<processors;i++) { 
629                         int temp = processIDS[i];
630                         wait(&temp);
631                 }
632 #endif          
633         }
634         catch(exception& e) {
635                 m->errorOut(e, "ClassifySeqsCommand", "createProcesses");
636                 exit(1);
637         }
638 }
639 /**************************************************************************************************/
640
641 void ClassifySeqsCommand::appendTaxFiles(string temp, string filename) {
642         try{
643                 
644                 ofstream output;
645                 ifstream input;
646                 openOutputFileAppend(filename, output);
647                 openInputFile(temp, input);
648                 
649                 while(char c = input.get()){
650                         if(input.eof())         {       break;                  }
651                         else                            {       output << c;    }
652                 }
653                 
654                 input.close();
655                 output.close();
656         }
657         catch(exception& e) {
658                 m->errorOut(e, "ClassifySeqsCommand", "appendTaxFiles");
659                 exit(1);
660         }
661 }
662
663 //**********************************************************************************************************************
664
665 int ClassifySeqsCommand::driver(linePair* line, string taxFName, string tempTFName, string filename){
666         try {
667                 ofstream outTax;
668                 openOutputFile(taxFName, outTax);
669                 
670                 ofstream outTaxSimple;
671                 openOutputFile(tempTFName, outTaxSimple);
672         
673                 ifstream inFASTA;
674                 openInputFile(filename, inFASTA);
675
676                 inFASTA.seekg(line->start);
677                 
678                 string taxonomy;
679
680                 for(int i=0;i<line->numSeqs;i++){
681                         if (m->control_pressed) { return 0; }
682                         
683                         Sequence* candidateSeq = new Sequence(inFASTA);
684                         
685                         if (candidateSeq->getName() != "") {
686                                 taxonomy = classify->getTaxonomy(candidateSeq);
687                                 
688                                 if (m->control_pressed) { delete candidateSeq; return 0; }
689
690                                 if (taxonomy != "bad seq") {
691                                         //output confidence scores or not
692                                         if (probs) {
693                                                 outTax << candidateSeq->getName() << '\t' << taxonomy << endl;
694                                         }else{
695                                                 outTax << candidateSeq->getName() << '\t' << classify->getSimpleTax() << endl;
696                                         }
697                                         
698                                         outTaxSimple << candidateSeq->getName() << '\t' << classify->getSimpleTax() << endl;
699                                 }
700                         }                               
701                         delete candidateSeq;
702                         
703                         if((i+1) % 100 == 0){
704                                 m->mothurOut("Classifying sequence " + toString(i+1)); m->mothurOutEndLine();
705                         }
706                 }
707                 
708                 inFASTA.close();
709                 outTax.close();
710                 outTaxSimple.close();
711                 
712                 return 1;
713         }
714         catch(exception& e) {
715                 m->errorOut(e, "ClassifySeqsCommand", "driver");
716                 exit(1);
717         }
718 }
719 //**********************************************************************************************************************
720 #ifdef USE_MPI
721 int ClassifySeqsCommand::driverMPI(int start, int num, MPI_File& inMPI, MPI_File& newFile, MPI_File& tempFile, vector<long>& MPIPos){
722         try {
723                 MPI_Status statusNew; 
724                 MPI_Status statusTemp; 
725                 MPI_Status status; 
726                 
727                 int pid;
728                 MPI_Comm_rank(MPI_COMM_WORLD, &pid); //find out who we are
729         
730                 string taxonomy;
731                 string outputString;
732
733                 for(int i=0;i<num;i++){
734                 
735                         if (m->control_pressed) { return 0; }
736                 
737                         //read next sequence
738                         int length = MPIPos[start+i+1] - MPIPos[start+i];
739                         char* buf4 = new char[length];
740                         MPI_File_read_at(inMPI, MPIPos[start+i], buf4, length, MPI_CHAR, &status);
741                         
742                         string tempBuf = buf4;
743                         if (tempBuf.length() > length) { tempBuf = tempBuf.substr(0, length);  }
744                         istringstream iss (tempBuf,istringstream::in);
745                         delete buf4;
746
747                         Sequence* candidateSeq = new Sequence(iss);
748                         
749                         if (candidateSeq->getName() != "") {
750                                 taxonomy = classify->getTaxonomy(candidateSeq);
751                                 
752                                 if (taxonomy != "bad seq") {
753                                         //output confidence scores or not
754                                         if (probs) {
755                                                 outputString =  candidateSeq->getName() + "\t" + taxonomy + "\n";
756                                         }else{
757                                                 outputString =  candidateSeq->getName() + "\t" + classify->getSimpleTax() + "\n";
758                                         }
759                                         
760                                         int length = outputString.length();
761                                         char* buf2 = new char[length];\r
762                                         memcpy(buf2, outputString.c_str(), length);
763                                 
764                                         MPI_File_write_shared(newFile, buf2, length, MPI_CHAR, &statusNew);
765                                         delete buf2;
766
767                                         outputString =  candidateSeq->getName() + "\t" + classify->getSimpleTax() + "\n";
768                                         length = outputString.length();
769                                         char* buf = new char[length];\r
770                                         memcpy(buf, outputString.c_str(), length);
771                                 
772                                         MPI_File_write_shared(tempFile, buf, length, MPI_CHAR, &statusTemp);
773                                         delete buf;
774                                 }
775                         }                               
776                         delete candidateSeq;
777                         
778                         if((i+1) % 100 == 0){   cout << "Classifying sequence " << (i+1) << endl;       }
779                 }
780                 
781                 if(num % 100 != 0){     cout << "Classifying sequence " << (num) << endl;       }
782                 
783                 
784                 return 1;
785         }
786         catch(exception& e) {
787                 m->errorOut(e, "ClassifySeqsCommand", "driverMPI");
788                 exit(1);
789         }
790 }
791
792 //**********************************************************************************************************************
793 int ClassifySeqsCommand::MPIReadNamesFile(string nameFilename){
794         try {
795         
796                 nameMap.clear(); //remove old names
797                 
798                 MPI_File inMPI;
799                 MPI_Offset size;
800                 MPI_Status status;
801
802                 char* inFileName = new char[nameFilename.length()];\r
803                 memcpy(inFileName, nameFilename.c_str(), nameFilename.length());
804
805                 MPI_File_open(MPI_COMM_WORLD, inFileName, MPI_MODE_RDONLY, MPI_INFO_NULL, &inMPI);  
806                 MPI_File_get_size(inMPI, &size);
807                 delete inFileName;
808
809                 char* buffer = new char[size];
810                 MPI_File_read(inMPI, buffer, size, MPI_CHAR, &status);
811
812                 string tempBuf = buffer;
813                 if (tempBuf.length() > size) { tempBuf = tempBuf.substr(0, size);  }
814                 istringstream iss (tempBuf,istringstream::in);
815                 delete buffer;
816                 
817                 string firstCol, secondCol;
818                 while(!iss.eof()) {
819                         iss >> firstCol >> secondCol; gobble(iss);
820                         nameMap[firstCol] = getNumNames(secondCol);  //ex. seq1 seq1,seq3,seq5 -> seq1 = 3.
821                 }
822         
823                 MPI_File_close(&inMPI);
824                 
825                 return 1;
826         }
827         catch(exception& e) {
828                 m->errorOut(e, "ClassifySeqsCommand", "MPIReadNamesFile");
829                 exit(1);
830         }
831 }
832 #endif
833 /**************************************************************************************************/