source: tags/arb_5.1/DBSERVER/db_server.cxx

#define TIMEOUT 1000*60*2
/* every 2 minutes save */
#define LOOPS 30
/* wait 1 hour till kill myself */

#include <stdio.h>
#include <string.h>
#include <arbdb.h>
#include <servercntrl.h>

int main(int argc,char **argv)
{
    struct arb_params *params;
    GBDATA            *gb_extern;
    GBDATA            *gb_main;
    GB_ERROR           error;
    int                timer;
    int                last_update = 0;
    int                clock;

    if (argc <=1 || strcmp(argv[1], "--help") == 0) {
        printf("Syntax of the arb_db_server:\n");
        printf("        arb_db_server [-D]database [-Tsocketid]\n");
        return -1;
    }

    params = arb_trace_argv(&argc,argv);
    if (!params->tcp) {
        static char arg[] = ":";
        params->tcp = arg;
    }

    if (argc==2){
        params->db_server = (char *)strdup(argv[1]);
        argc--;
    }

    //

    gb_extern = GB_open(params->tcp,"rwc");
    if (gb_extern) {
        GB_close(gb_extern);
        return -1;
    }
    printf("Loading '%s'...\n", params->db_server);
    gb_main = GB_open(params->db_server,"rw");
    if (!gb_main) {
        printf("Error: File %s not found\n",params->db_server);
        return -1;
    }
    error = GBCMS_open(params->tcp, TIMEOUT,gb_main);
    if (error) {
        printf("Cannot start your arb_db_server: %s\n",error);
        return (-1);
    }

    printf("Database is saved after every transaction (one . one save)\n");

    for (timer = LOOPS;timer>0;timer--) { /* the server ends */
        GB_begin_transaction(gb_main);
        clock = GB_read_clock(gb_main);
        if (GB_read_clients(gb_main) >0) {
            timer = LOOPS;
        }
        GB_commit_transaction(gb_main);
        if (clock>last_update) {
            last_update = clock;
            printf("."); fflush(stdout);
            GB_save(gb_main,0,"b");
            timer = LOOPS;
        }
        GBCMS_accept_calls(gb_main,GB_FALSE);
    }
    return(0);
}

extern "C" {
    int aisc_open(void) { return 0; }
    int aisc_close(void) { return 0;}
}