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[phys/latlib.git] / configcache.cpp

diff --git a/configcache.cpp b/configcache.cpp
index bcfe92f05bd74dcb3ce90e600df6f313a5d1aa17..4c7963d310b63740e4a051163352cc749fb6f699 100644 (file)
--- a/configcache.cpp
+++ b/configcache.cpp
@@ -37,11 +37,11 @@ configcache::configcache(const string& cacheid, const int& nequi, const int& nsk
   refetchDataFiles = false;
 }
 
-string configcache::getFileId(const bool& shortid)
+string configcache::getFileId(int actnequi, const bool& shortid)
 {
   stringstream fileid;
 
-  if(!shortid) fileid << CACHEID << "_" << NEQUI << "_" << NSKIP;
+  if(!shortid) fileid << CACHEID << "_" << actnequi << "_" << NSKIP;
   for(int ipara=0; ipara<Paras.size(); ipara++)
     fileid << "_" << Paras[ipara].id << Paras[ipara].val;
 
@@ -72,7 +72,6 @@ bool configcache::isValidInFile(const string& infile, infiledesc *filedesc)
   string truncIn, truncOut;
 
   filedesc->filename = infile;
-  filedesc->doVirtualEquilibration = false;
 
   if( infile.size() < 4 ) return false;
 
@@ -93,15 +92,10 @@ bool configcache::isValidInFile(const string& infile, infiledesc *filedesc)
 
       switch(iPart)
        {
-       case 1: if(inParts != CACHEID) {
-           return false; 
-           break;
-         }
-       case 2: 
-         if (atoi(inParts) > NEQUI) 
-           return false; 
-         else if (atoi(inParts) < NEQUI)
-           filedesc->doVirtualEquilibration = true;
+       case 1: if(inParts != CACHEID)
+           return false;
+         break;
+       case 2:
          filedesc->nequi = atoi(inParts);
          break;
        case 3: 
@@ -116,7 +110,7 @@ bool configcache::isValidInFile(const string& infile, infiledesc *filedesc)
 
   delete[] inchar;
 
-  if( truncIn.find( getFileId(true) + "_" ) == string::npos ) return false;
+  if( truncIn.find( getFileId(NEQUI, true) + "_" ) == string::npos ) return false;
 
   return true;
 }
@@ -180,12 +174,13 @@ void * configcache::getHeader(const string& headerid) {
   return NULL;
 }
 
-/* returns number of equilibration-steps left */
-int configcache::readConfig(vector<unsigned long> *excludeFileHashes)
+/* returns number of equilibration-steps left with new read configuration 
+   or zero if no new configuration was read */
+void configcache::readConfig(bool& readnewconfig, int& nequileft, vector<unsigned long> *excludeFileHashes)
 {
-  int nequileft = NEQUI;
+  readnewconfig = false;
 
-  if(DATADIR == "" || MODE == CACHE_MODE_DISABLED) return nequileft;
+  if(DATADIR == "" || MODE == CACHE_MODE_DISABLED) return;
 
   if(refetchDataFiles){
     refetchDataFiles = false;
@@ -195,12 +190,23 @@ int configcache::readConfig(vector<unsigned long> *excludeFileHashes)
   while(true)
     {
       vector<infiledesc>::iterator inFileIt = getNextInfile(excludeFileHashes);
+      int iDidVirtualSkips;
 
-      if( (!inFile.is_open()) && inFileIt == inFiles.end() ) return nequileft;
+      if( (!inFile.is_open()) && inFileIt == inFiles.end() ) {
+       nequileft = nequileft_internal;
+       return;
+      }
 
       while( (!inFile.is_open()) && inFiles.size() > 0 ) {
        openFileDesc = *inFileIt;
 
+       if (openFileDesc.nequi < NEQUI)
+         doVirtualEquilibration = true;
+       else
+         doVirtualEquilibration = false;
+
+       firstUsedConfig = true;
+
        if(log) *log << "CCACHE: Opening dat-file: " << inFileIt->filename << endl << flush;
        inFile.open( (DATADIR + "/" + inFileIt->filename).c_str(), std::ios::binary );
        
@@ -215,15 +221,17 @@ int configcache::readConfig(vector<unsigned long> *excludeFileHashes)
 
       if( inFile.is_open() ) 
        {
-         if (openFileDesc.doVirtualEquilibration) {
+         if (doVirtualEquilibration) {
            if(log) *log << "CCACHE: Trying virtual equilibration." << endl << flush;
-           openFileDesc.doVirtualEquilibration = false;
-           for (int iskip=0; iskip < (NEQUI-openFileDesc.nequi)/openFileDesc.nskip; iskip++) {
+           doVirtualEquilibration = false;
+           for (iDidVirtualSkips=0; iDidVirtualSkips < (NEQUI-openFileDesc.nequi)/openFileDesc.nskip; iDidVirtualSkips++) {
              if( readFullBlock(tmpConfig, configSize) != configSize || ! inFile.is_open() )
                break;
-             else if ( (NEQUI-openFileDesc.nequi) - (iskip+1)*openFileDesc.nskip < nequileft ) {
+             else if ( (NEQUI-openFileDesc.nequi) - (iDidVirtualSkips+1)*openFileDesc.nskip < nequileft_internal ) {
                memcpy(configMem, tmpConfig, configSize);
-               nequileft = (NEQUI-openFileDesc.nequi) - (iskip+1)*openFileDesc.nskip;
+               nequileft_internal = NEQUI - openFileDesc.nequi - (iDidVirtualSkips+1)*openFileDesc.nskip;
+               readnewconfig = true;
+               firstUsedConfig = false;
              }
            }
          }
@@ -231,7 +239,17 @@ int configcache::readConfig(vector<unsigned long> *excludeFileHashes)
          if( readFullBlock(tmpConfig, configSize) == configSize && inFile.is_open() )
            {
              memcpy(configMem, tmpConfig, configSize);
-             return -1;
+             readnewconfig = true;
+             if (firstUsedConfig) {
+               firstUsedConfig = false;
+               if (openFileDesc.nequi < NEQUI)
+                 nequileft_internal = NEQUI - openFileDesc.nequi - iDidVirtualSkips*openFileDesc.nskip;
+               else
+                 nequileft_internal = NEQUI - openFileDesc.nequi;
+             }
+             nequileft_internal -= openFileDesc.nskip;
+             nequileft = nequileft_internal;
+             return;
            }
          else {
            if(log) *log << "CCACHE: Could not read configuration. Closing dat-file: " << openFileDesc.filename << endl << flush;
@@ -241,12 +259,12 @@ int configcache::readConfig(vector<unsigned long> *excludeFileHashes)
     }
 }
 
-void configcache::openOutFile()
+void configcache::openOutFile(int actnequi)
 {
   time_t secstamp = time(NULL);
 
   outFileName.str("");
-  outFileName << DATADIR << "/" << secstamp << "_" << getFileId() << "_.edat.tmp";
+  outFileName << DATADIR << "/" << secstamp << "_" << getFileId(actnequi) << "_.edat.tmp";
 
   outFile.open( outFileName.str().c_str(), std::ios::binary );
 
@@ -255,13 +273,13 @@ void configcache::openOutFile()
   outBuffer->push(outFile);
 }
 
-void configcache::writeHeader(const string& headerid, const char *header, long unsigned int size) {
+void configcache::writeHeader(const string& headerid, const char *header, long unsigned int size, int actnequi) {
   unsigned long headeridhash;
 
   if( DATADIR == "" || MODE < 2 ) return;
 
   if(!outFile.is_open())
-    openOutFile();
+    openOutFile(actnequi);
 
   headeridhash = hash(headerid);
 
@@ -270,14 +288,14 @@ void configcache::writeHeader(const string& headerid, const char *header, long u
   boost::iostreams::write(*outBuffer, header, size);
 }
 
-void configcache::writeConfig()
+void configcache::writeConfig(int actnequi)
 {
   long unsigned int zeroheader=0;
 
   if ( DATADIR == "" || MODE < 2 ) return;
 
   if ( ! outFile.is_open() )
-    openOutFile();
+    openOutFile(actnequi);
   
   boost::iostreams::write(*outBuffer, (char*)&zeroheader, sizeof(long unsigned int));
 
@@ -304,6 +322,7 @@ void configcache::setPara(const string& parid, const double& value){
   inFiles.clear();
 
   refetchDataFiles = true;
+  nequileft_internal = NEQUI;
 }
 
 configcache::~configcache()