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// -------- Start of File -------- //
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// ----------------------------------------------------------- //
// 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;
}
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