Opening cachefiles exclusively with O_EXCL.

[phys/latlib.git] / configcache.h

diff --git a/configcache.h b/configcache.h
index d79afa685d802b2132e9daa41d82a6941a3d41b5..6054198a725b6795aa767982c02f185db7e889b3 100644 (file)
--- a/configcache.h
+++ b/configcache.h
@@ -7,15 +7,10 @@
 #include <sstream>
 #include <ostream>
 
-#include <boost/iostreams/filtering_streambuf.hpp>
-#include <boost/iostreams/stream.hpp>
-#include <boost/iostreams/filter/bzip2.hpp>
-#include <boost/iostreams/device/array.hpp>
-#include <boost/iostreams/copy.hpp>
-
-#define CACHE_MODE_DISABLED 0
-#define CACHE_MODE_READ 1
-#define CACHE_MODE_FULL 2
+#define CACHE_MODE_OO 0
+#define CACHE_MODE_RO 1
+#define CACHE_MODE_WO 2
+#define CACHE_MODE_RW 3
 
 using namespace std;
 
@@ -28,7 +23,6 @@ struct infiledesc {
   string filename;
   int nequi;
   int nskip;
-  bool doVirtualEquilibration;
   bool extended;
 };
 
@@ -36,28 +30,36 @@ class configcache{
  public:
   ~configcache();
   configcache(const string& cacheid, const int& nequi, const int& nskip, const string& datadir, char **configmem, const int& configMemSize, 
-             const int& cachemode=CACHE_MODE_FULL, ostream *_log=NULL);
-  int readConfig(vector<unsigned long> *excludeFileHashes=NULL);
-  void writeConfig();
+             const int& cachemode=CACHE_MODE_RW, ostream *_log=NULL);
+  void readConfig(bool *readnewconfig, int *nequileft, vector<unsigned long> *excludeFileHashes=NULL);
+  void writeConfig(int actnequi);
   void addPara(const string& parid, const double& val=0);
   void setPara(const string& parid, const double& value);
-  void writeHeader(const string& headerid, const char *header, long unsigned int size);
+  void writeHeader(const string& headerid, const char *header, long unsigned int size, int actnequi);
   void * getHeader(const string& headerid);
   string getOutFileName() { return outFileName.str(); }
   string getInFileName() { return DATADIR + "/" + openFileDesc.filename; }
   static unsigned long hash(const string& str);
+  void closeInFile() { inFile.close(); }
+  int inFilesLeft() { return inFiles.size(); }
+  char* getConfigMem() { return configMem; }
+  int getConfigSize() { return configSize; }
+  bool isOutFileOpen () { return outFile.is_open(); }
+  void finishOutFile();
 
  private:
+  struct iobuffers;
+  iobuffers *ioBuffers;
+
   ostream* log;
   infiledesc openFileDesc;
-  void finishOutFile();
   int getParIndex(const string& parid);
   int NEQUI;
   int NSKIP;
   string DATADIR;
   string CACHEID;
   int MODE;
-  string getFileId(const bool& shortid=false);
+  string getFileId(int actnequi, const bool& shortid=false);
 
   ofstream outFile;
   ifstream inFile;
@@ -66,9 +68,6 @@ class configcache{
 
   int readnum;
 
-  boost::iostreams::filtering_istreambuf *inBuffer;
-  boost::iostreams::filtering_ostreambuf *outBuffer;
-
   int inSize;
 
   int configSize;
@@ -87,7 +86,7 @@ class configcache{
 
   int readDataToMem(char *tmpData, long unsigned int dataSize);
 
-  void openOutFile();
+  void openOutFile(int actnequi);
 
   int readHeader();
 
@@ -100,6 +99,12 @@ class configcache{
   void deleteHeaderStore();
 
   bool readAllHeaders();
+
+  vector<infiledesc>::iterator getNextInfile(vector<unsigned long> *excludeFileHashes);
+
+  int nequileft_internal;
+
+  bool doVirtualEquilibration, firstUsedConfig;
 };
 
 #endif