Initial import of htcd system 1.0

Signed-off-by: Henrik Rydberg <rydberg@euromail.se>

1 files changed, 129 insertions, 0 deletions

diff --git a/src/hdb/db.h b/src/hdb/db.h
new file mode 100644
index 0000000..6621944
--- /dev/null
+++ b/src/hdb/db.h
@@ -0,0 +1,129 @@
+/*************************************************************************
+ *
+ * HTCd - Copyright (C) 1998-2006 Henrik Rydberg
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#ifndef DBH
+#define DBH
+
+#include <hdb/sortable.h>
+#include <mt/msmap.h>
+
+////////////////////////////////////////////////////
+//
+// OK for MT and MP
+//
+
+class dbmap {
+public:
+  dbmap();
+  ~dbmap();
+
+  filemap::head_t* head() { return file->head(); }
+  const filemap::head_t* head() const { return file->head(); }
+
+  int remap();
+  
+  int size() const { return recs.size(); }
+  int empty() const { return recs.empty(); }
+  
+  const sref operator()(int row,int col) const throw(merror_t) {
+    check(); return recs[row].rec->at(col);
+  }
+  const sref at(int row,int col) const throw(merror_t) {
+    check(); return recs[row].rec->at(col);
+  }
+  
+  ///////////////////////////////////////////////////////
+
+  void Get(int row,spile& list) throw(merror_t);
+  void Set(int row,int col,const sref& s) throw(merror_t);
+  void Set(int row,const spile& list) throw(merror_t);
+
+  ///////////////////////////////////////////////////////
+
+  void Rem(int row) throw(merror_t);
+  int Insert(const spile& list,int unique) throw(merror_t);
+
+  ///////////////////////////////////////////////////////
+  
+  int Tables() const { return head()->tables.get(); }
+  const sref Table(int col) const { check(); return head()->get(col); }
+
+  ///////////////////////////////////////////////////////
+
+  void SetTable(int col,const sref& name) throw(merror_t);
+  void RemTable(int col) throw(merror_t);
+  void InsertTable(int col,const sref& name) throw(merror_t);
+
+  ///////////////////////////////////////////////////////
+
+  int Index() const { return index; }
+  int FindIndex(const sref& tab) const { return tmap.get(tab); }
+  int Index(const sref& tab) const throw(merror_t) {
+    int p=FindIndex(tab);
+    if(p<0) THROW("db: table ["<<tab<<"] does not exist");
+    return p;
+  }
+
+  ///////////////////////////////////////////////////////
+
+  const mstring& Compname() const { return compname; }
+
+  void Sort(const sref& tab,const sref& cmp) throw(merror_t);
+  void Order(const sref& tab,const sref& cmp) throw(merror_t);
+
+  int Find(const sref& key) const { return recs.get(key); }
+
+  ///////////////////////////////////////////////////////
+
+  void Open(const mstring& path,int update=0,int prot=0600) throw(merror_t);
+  void Saveas(const mstring& path,int prot=0600) throw(merror_t);
+  time_t Lastmod() const { return file->Lastmod(); }
+  void Close();
+
+  static void Sync();
+
+protected:
+  dbmap(const dbmap& db) {}
+  void operator=(const dbmap& db) {}
+
+  void check() const {
+    if(fatal!=head()->fatal.get()) THROW("db: fatal state change")
+  }
+
+  void remap_recs();
+  void remap_tabs();
+
+  static void setup();
+  static const op_t* CompOperator(const sref& s);
+
+  static filemap* flist;
+  static mutex_t mutex;
+  static opmap M;
+private:
+  int wok,minor,major,fatal,index;
+  mstring compname;
+  filemap* file;
+  rimap tmap;
+  indexmap recs;
+};
+
+void Convert(dbmap& db,const char* path);
+
+#endif
+