// ------------------------------- // // -------- Start of File -------- // // ------------------------------- // // ----------------------------------------------------------- // // C++ Source Code File Name: testprog.cpp // Compiler Used: MSVC, BCC32, GCC HPUX aCC, SOLARIS CC // Produced By: glNET Software // File Creation Date: 02/04/1997 // Date Last Modified: 06/12/2001 // Copyright (c) 2001 glNET Software // ----------------------------------------------------------- // // ------------- Program Description and Details ------------- // // ----------------------------------------------------------- // /* This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA Test program used to compare the features of the 32-bit database engine to the 64-bit database engine.. */ // ----------------------------------------------------------- // #include <iostream.h> #include <iomanip.h> #include <string.h> #include "gxfloat.h" #include "gxdbase.h" #include "gxdstats.h" // Various static data area sizes used to test large files const __LWORD__ STATIC_AREA_SIZE = (__LWORD__)0; // 1 GIG file test // WARNING: This test requires 1.1 GIG of free disk space // const __LWORD__ STATIC_AREA_SIZE = (__LWORD__)1100000000; // 2 GIG file test // WARNING: This test requires 2.1 GIG of free disk space // const __LWORD__ STATIC_AREA_SIZE = (__LWORD__)2100000000; const int NUM_OBJECTS = 10; const int NAME_LENGTH = 64; class DatabaseObject { public: DatabaseObject() { name[0] = 0; oid = (FAU)0, cid = (gxFLOAT64)0; } DatabaseObject(const char *s, long i, double d); public: void DisplayObject(); public: // Platform independent data members char name[NAME_LENGTH]; // Fixed string type FAU oid; // Integer type gxFLOAT64 cid; // Floating point type }; DatabaseObject::DatabaseObject(const char *s, long i, double d) { for(int j = 0; j < NAME_LENGTH; j++) name[j] = 0; // Clear the name string strcpy(name, s); oid = i; cid = d; } void DatabaseObject::DisplayObject() { cout << "Database object name: " << name << endl; cout << "Database object OID: " << oid << endl; cout.setf(ios::showpoint | ios::fixed); cout.precision(3); cout << "Database object CID: " << cid << endl; } void PausePrg() { cout << endl; cout << "Press enter to continue..." << endl; cin.get(); } int main() { gxDatabase *f = new gxDatabase; const char *fname = "simple.gxd"; int i; FAU index[NUM_OBJECTS]; FAU static_area_size(STATIC_AREA_SIZE); FAU addr; DatabaseObject buf; int exists = 0; cout << endl; cout << "Simple demo of the database engine." << endl; if(!gxDatabase::Exists(fname)) { cout << "Creating new file..." << endl; f->Create(fname, static_area_size); if(CheckError(f) != 0) return 1; } else { cout << "Opening existing file..." << endl; f->Open(fname); if(CheckError(f) != 0) return 1; exists = 1; } PausePrg(); DatabaseStats(f); PausePrg(); if(exists == 1) { // Used for big and little endian cross-platform testing cout << "Reading the first object..." << endl; addr = f->FindFirstBlock(); f->Read(&buf, sizeof(buf), addr+f->BlockHeaderSize()); if(CheckError(f) != 0) return 1; buf.DisplayObject(); PausePrg(); cout << "Reading the last object..." << endl; f->Read(&buf, sizeof(buf), f->GetHighestBlock()+f->BlockHeaderSize()); if(CheckError(f) != 0) return 1; buf.DisplayObject(); PausePrg(); } cout << "Adding " << NUM_OBJECTS << " objects to the database file..." << endl; cout << "Size of each object = " << sizeof(DatabaseObject) << endl; PausePrg(); for(i = 0; i < NUM_OBJECTS; i++) { // Allocate a block to store the object addr = f->Alloc(sizeof(DatabaseObject)); if(CheckError(f) != 0) return 1; // Index the object index[i] = addr; // Construct the datbase object char name[NAME_LENGTH]; sprintf(name, "Mouse %i", (__LWORD__)addr); DatabaseObject ob(name, addr, 4000.101); // Write the object data f->Write(&ob, sizeof(DatabaseObject), addr, 0, 0); if(CheckError(f) != 0) return 1; cout << "Block Address: " << (FAU)(addr - f->BlockHeaderSize()) << endl; cout << "Writing object " << i << " to FAU: " << addr << endl; } cout << "Wrote " << i << " to the database file" << endl; PausePrg(); cout << "Reading " << NUM_OBJECTS << " objects from the database file..." << endl; PausePrg(); for(i = 0; i < NUM_OBJECTS; i++) { f->Read(&buf, sizeof(buf), index[i]); if(CheckError(f) != 0) return 1; buf.DisplayObject(); } PausePrg(); DatabaseStats(f); PausePrg(); cout << "Exiting..." << endl; f->Close(); if(CheckError(f) != 0) return 1; return 0; } // ----------------------------------------------------------- // // ------------------------------- // // --------- End of File --------- // // ------------------------------- //