main.c

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/***************************************************************
 *                                                             *
 * Copyright (c) 2001-2007 McObject LLC. All Right Reserved.   *
 *                                                             *
 ***************************************************************/

/* This samples demonstartes eXtremeDB patricia tree *match functions behaviour. */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "simple.h"
#include "objfunc.h"

#ifdef _WIN32_WCE
	/* Only one define an be active */
	#define _STR_OBJECT_TEST_
	#define _BOOL_OBJECT_TEST_

	#ifdef _STR_OBJECT_TEST_
		#include "strobj.c"
	#else
		#include "boolobj.c"
	#endif
#endif

static const char* dbname = "SimpleDb";
static const int FIRST_SEGSZ = 1024 * 8000UL;
#ifndef MCO_PLATFORM_X64
    static const int PAGESIZE = 96;
#else 
    static const int PAGESIZE = 192;
#endif 

const int MAP_ADDRESS = 0x20000000;

void _SH_(void)
{

    char text[] = 
    {
        "\nThis samples demonstartes eXtremeDB patricia tree *match functions behaviour.\n"
    };
    char text1[] = 
    {
        "Copyright (c) 2001-2007 McObject LLC. All Right Reserved.\n\n"
    };

    printf("%s\neXtremeDB runtime version %d.%d, build %d\n%s\n\nPress Enter to start", text, MCO_COMP_VER_MAJOR,
           MCO_COMP_VER_MINOR, MCO_COMP_BUILD_NUM, text1);

    getchar();

}



/* fatal error handler */
static void errhandler(int n)
{
    printf("\neXtremeDB runtime fatal error: %d", n);
    getchar();
    exit( - 1);
}

int main(void)
{
    MCO_RET rc;
    mco_db_h db = 0;
    char* start_mem;
    mco_runtime_info_t info;

    _SH_();
    mco_get_runtime_info(&info);
    if (info.mco_shm_supported)
    {
        start_mem = (char*)MAP_ADDRESS;
    }
    else
    {
        start_mem = (char*)malloc(FIRST_SEGSZ);
        if (!start_mem)
        {
            printf("Couldn't allocated memory\n");
            exit(1);
        }
    };

    /* set fatal error handler */
    mco_error_set_handler(&errhandler);

    mco_runtime_start();
    /* Create a database - allocate 2M starting from mem. */
    rc = mco_db_open(dbname, simple_get_dictionary(), start_mem, FIRST_SEGSZ, (uint2)PAGESIZE);

    if (rc)
    {
        printf("\nerror creating database");
        if (!info.mco_shm_supported)
        {
            free(start_mem);
        }
        exit(1);
    }

    /* connect to the database, obtain a database handle */
    mco_db_connect(dbname, &db);
    printf("\ndb handle = %d\n", db);


    createDatabase(db);
    doListing(db);
    doGoogle(db);

    /* disconnect from the database, db is no longer valid */
    mco_db_disconnect(db);

    /* destroy the db */
    mco_db_close(dbname);

    mco_runtime_stop();

    if (!info.mco_shm_supported)
    {
        free(start_mem);
    }

    printf("Press Enter key to exit");
    getchar();
    exit(0);
}