X-Git-Url: http://git.treefish.org/~alex/phys/latlib.git/blobdiff_plain/2c8167e46c6417e44eb1697ff42c869213b8f1bd..8d11db1cf57b103fcec701d71c9d620b1c381b73:/writeout.cpp?ds=inline

diff --git a/writeout.cpp b/writeout.cpp
index 54b8203..a756394 100644
--- a/writeout.cpp
+++ b/writeout.cpp
@@ -11,41 +11,98 @@
 #include <errno.h>
 #include <unistd.h>
 
+#ifndef MPI_DISABLED
+#include <mpi.h>
+#endif
+
 using namespace std;
 
-string writeout::tstamp(const long& timestamp)
+string writeout::longToStr (long arg)
 {
-  stringstream sstr;
-  if(!timestamp) sstr << time (NULL);
-  else sstr << timestamp;
-  return sstr.str();
+  stringstream ss;
+  ss << arg;
+  return ss.str();
 }
 
-writeout::writeout(const string& wdir, const string& signature, 
-		   const int& rank, const int& procs, const long& timestamp)
+void writeout::newsub(string subname) {
+  of[subname] = new ofstream;
+
+  if ( fulldir != "" ) {
+    if(rank>0) of[subname]->open( (fulldir + "/rank" + cRank + "_" + subname + ".tmp").c_str() );
+    else of[subname]->open( (fulldir + "/" + signature + "_" + subname + ".dat").c_str() );
+
+    if ( !of[subname]->is_open() ) {
+      logf << "WRITEOUT: Could not open output-file!" << endl << flush;
+      exit(1);
+    }
+
+    buf[subname] = of[subname]->rdbuf();
+  }
+  else
+    buf[subname] = cout.rdbuf();
+
+  out[subname] = new ostream(buf[subname]);
+}
+
+writeout::writeout(const string& wdir, const string& _signature, 
+		   const int& _rank, const int& procs)
 {
+  long timestamp;
+  int iseq=0;
+
+  fulldir = "";
+  signature = _signature;
+  rank = _rank;
+
   if(wdir != ""){
     numprocs = procs;
     sprintf(cRank, "%d", rank);
-    fulldir = wdir + "/" + tstamp(timestamp) + "_" + signature + ".tmp";
-    mkdir( fulldir.c_str(),  0775);
 
-    if(rank>0) of.open( (fulldir + "/rank" + cRank + ".tmp").c_str() );
-    else of.open( (fulldir + "/" + signature + ".dat").c_str() );
+    if (rank == 0) {
+      timestamp = time(NULL);
+
+      while (true) {
+	fulldir = wdir + "/" + longToStr(timestamp) + "." + longToStr(iseq) + "_" + signature + ".tmp";
+	if ( mkdir(fulldir.c_str(), 0775) == 0 )
+	  break;
+	else if ( errno != EEXIST ) {
+	  cerr << "WRITEOUT: Could not create outdir!" << endl << flush;
+	  break;
+	}
+	iseq++;
+      }
 
+#ifndef MPI_DISABLED
+      for(int idest=1; idest<numprocs; idest++) {
+	MPI_Send(&timestamp, 1, MPI_LONG, idest, 123, MPI_COMM_WORLD);
+	MPI_Send(&iseq, 1, MPI_LONG, idest, 124, MPI_COMM_WORLD);
+      }
+#endif
+
+    }
+
+#ifndef MPI_DISABLED
+    else if(rank>0) {
+      MPI_Recv(&timestamp, 1, MPI_LONG, 0, 123, MPI_COMM_WORLD, MPI_STATUS_IGNORE);
+      MPI_Recv(&iseq, 1, MPI_LONG, 0, 124, MPI_COMM_WORLD, MPI_STATUS_IGNORE);
+      fulldir = wdir + "/" + longToStr(timestamp) + "." + longToStr(iseq) + "_" + signature + ".tmp";
+    }
+#endif  
+    
     logf.open( (fulldir + "/rank" + cRank + ".log").c_str() );
 
+    if ( !logf.is_open() ) {
+      cerr << "WRITEOUT: Could not open log-file!" << endl << flush;
+      exit(1);
+    }
+
     logf << "[ " << timestring() << " ] Log starts here." << endl;
     
-    buf = of.rdbuf();
     logbuf = logf.rdbuf();
   }
   else{
-    buf = cout.rdbuf();
-    logf.open("/dev/null");
-    logbuf = logf.rdbuf();
+    logbuf = cerr.rdbuf();
   }
-  out = new ostream(buf);
   log = new ostream(logbuf);
 }
 
@@ -60,63 +117,68 @@ string writeout::timestring()
 
 writeout::~writeout()
 {
-  if(fulldir != "")
-    {
-      if( cRank[0] == '0' )
-	{
-	  int jobsdone=0;
-	  while(jobsdone<numprocs-1)
-	    {
-	      string nextfile;
-	      if( (nextfile=getdatfile()) == "" ) sleep(1);
-	      else
-		{
-		  cerr << "collecting " << nextfile << endl;
-
-		  ifstream myfile( (fulldir + "/" + nextfile).c_str() );
-		  while(true){
-		    string line;
-		    getline(myfile, line);
-		    if( !myfile.good() ) break;
-		    of << line << endl << flush;
-		  }
-		  myfile.close();
-		  remove( (fulldir + "/" + nextfile).c_str() );
-		  jobsdone++;
-		}
+  if(fulldir != "") {
+    for (map<string,ofstream*>::iterator ofit = of.begin(); ofit != of.end(); ++ofit) {
+      if( cRank[0] == '0' ) {
+	int jobsdone=0;
+	while(jobsdone<numprocs-1) {
+	  string nextfile;
+	  if( (nextfile = getdatfile(ofit->first)) == "" ) 
+	    sleep(1);
+	  else {
+	    logf << "collecting " << nextfile << endl;
+		    
+	    ifstream myfile( (fulldir + "/" + nextfile).c_str() );
+	    while(true) {
+	      string line;
+	      getline(myfile, line);
+	      if( !myfile.good() ) break;
+	      *ofit->second << line << endl << flush;
 	    }
-	  of << "#end" << endl << flush;
-	  of.close();
-	  rename( fulldir.c_str(), fulldir.substr(0, fulldir.length()-4).c_str() );
-	}
-      else
-	{
-	  of.close();
-	  rename((fulldir + "/rank" + cRank + ".tmp").c_str(),
-		 (fulldir + "/rank" + cRank + ".part").c_str());
+	    myfile.close();
+	    remove( (fulldir + "/" + nextfile).c_str() );
+	    jobsdone++;
+	  }
 	}
+	*ofit->second << "#end" << endl << flush;
+	ofit->second->close();
+      }
+      else {
+	ofit->second->close();
+	rename((fulldir + "/rank" + cRank + "_" + ofit->first + ".tmp").c_str(),
+	       (fulldir + "/rank" + cRank + "_" + ofit->first + ".part").c_str());
+      }
     }
+    if( cRank[0] == '0' )
+      rename( fulldir.c_str(), fulldir.substr(0, fulldir.length()-4).c_str() );
+  }
   logf << "[ " << timestring() << " ] Log ends here." << endl;
   logf.close();
 }
 
-string writeout::getdatfile()
+string writeout::getdatfile(string subname)
 {
   string myfile;
   DIR *dp;
   struct dirent *dirp;
 
   if((dp  = opendir(fulldir.c_str())) == NULL) {
-    cerr << "Error(" << errno << ") opening " << fulldir << endl;
+    logf << "Error(" << errno << ") opening " << fulldir << endl;
+    closedir(dp);
     return "";
   }
   
   while ((dirp = readdir(dp)) != NULL)
     {
       myfile = string(dirp->d_name);
-      if(myfile.length() > 3 && myfile.substr(myfile.length()-4) == "part")
+
+      if(myfile.length() > 3 && myfile.substr(myfile.length()-4) == "part" &&
+	 subname == myfile.substr( myfile.find("_")+1, myfile.rfind(".")-myfile.find("_")-1 ) ) {
+	closedir(dp);
 	return myfile;
+      }
     }
 
+  closedir(dp);
   return "";
 }