agent is not responding

/*
 * Note: this file originally auto-generated by mbi2c using
 *       version : 1.5.2.1 $ of : subagent.m2c,v $ 
 */
/*
 * standard Net-SNMP includes 
 */
#include <net-snmp/net-snmp-config.h>
#include <net-snmp/net-snmp-includes.h>
#include <net-snmp/agent/net-snmp-agent-includes.h>

/*
 * include our parent header 
 */
#include "darDevice.h"
#include "darRecorder.h"
#include "recPartitionTable.h"
#include "recMCAddressTable.h"

#include <signal.h>

static int      keep_running;

int32_t get_device_info()
{
	return 0;
}

int32_t set_device_info()
{
	return 0;
}

int32_t get_recorder_info()
{
	return 0;
}

void reset_recorder()
{
	return;
}

void set_recorder_enable()
{
	return;
}

int32_t set_recorder_info()
{
	reset_recorder();
	set_recorder_enable();
	return 0;
}

/*
get_next_mcaddr_index_str()
{
}
*/

int32_t get_multicast_data()
{
	return 0;
}

int32_t get_partition_data()
{
	return 0;
}

static          RETSIGTYPE
stop_server(int a)
{
    keep_running = 0;
}

static void
usage(void)
{
    printf
        ("usage: darRecorder [-D<tokens>] [-f] [-L] [-M] [-H] [LISTENING ADDRESSES]\n"
          "\t-f\tDon't fork().\n"
          "\t-DTOKEN[,TOKEN,..]\n"
          "\t\tTurn on debug for TOKEN(s).\n"
          "\t\tWithout any token specified, it prints all tokens\n"
          "\t\t(i.e. using 'ALL' for verbose output.).\n"
          "\t\tNote: don't put a space between -D and TOKENs.\n"
          "\t-H\tDisplay a list of config file directives\n"
          "\t\tknown by the agent and then exit.\n"
          "\t-M\tRun as a normal SNMP Agent, not an AgentX sub-agent.\n"
          "\t-L\tNo log file; print msgs to stderr.\n");
    exit(0);
}

int
main(int argc, char **argv)
{
    int             agentx_subagent = 0; /* SNMP master agent */
    /*
     * Defs for arg-handling code: handles setting of policy-related variables 
     */
    int             ch;
    extern char    *optarg;
    int             dont_fork = 0, use_syslog = 0;

    while ((ch = getopt(argc, argv, "D:fHLM")) != EOF)
        switch (ch) {
        case 'D':
            debug_register_tokens(optarg);
            snmp_set_do_debugging(1);
            break;
        case 'f':
            dont_fork = 1;
            break;
        case 'H':
            netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID,
                                   NETSNMP_DS_AGENT_NO_ROOT_ACCESS, 1);
            init_agent("darRecorder");  /* register our .conf handlers */
            init_darRecorder();
            init_snmp("darRecorder");
            fprintf(stderr, "Configuration directives understood:\n");
            read_config_print_usage("  ");
            exit(0);
        case 'M':
            agentx_subagent = 0;
            break;
        case 'L':
            use_syslog = 0;     /* use stderr */
            break;
        default:
            fprintf(stderr, "unknown option %c\n", ch);
            usage();
        }

    if (optind < argc) {
        int             i;
        /*
         * There are optional transport addresses on the command line.  
         */
        DEBUGMSGTL(("snmpd/main", "optind %d, argc %d\n", optind, argc));
        for (i = optind; i < argc; i++) {
            char           *c, *astring;
            if ((c = netsnmp_ds_get_string(NETSNMP_DS_APPLICATION_ID,
                                           NETSNMP_DS_AGENT_PORTS))) {
                astring = malloc(strlen(c) + 2 + strlen(argv[i]));
                if (astring == NULL) {
                    fprintf(stderr, "malloc failure processing argv[%d]\n",
                            i);
                    exit(1);
                }
                sprintf(astring, "%s,%s", c, argv[i]);
                netsnmp_ds_set_string(NETSNMP_DS_APPLICATION_ID,
                                      NETSNMP_DS_AGENT_PORTS, astring);
                SNMP_FREE(astring);
            } else {
                netsnmp_ds_set_string(NETSNMP_DS_APPLICATION_ID,
                                      NETSNMP_DS_AGENT_PORTS, argv[i]);
            }
        }
        DEBUGMSGTL(("snmpd/main", "port spec: %s\n",
                    netsnmp_ds_get_string(NETSNMP_DS_APPLICATION_ID,
                                          NETSNMP_DS_AGENT_PORTS)));
    }

    /*
     * we're an agentx subagent? 
     */
    if (agentx_subagent) {
        /*
         * make us a agentx client. 
         */
        netsnmp_enable_subagent();
    }

    snmp_disable_log();
    if (use_syslog)
        snmp_enable_calllog();
    else
        snmp_enable_stderrlog();

    /*
     * daemonize 
     */
    if (!dont_fork) {
        int             rc = netsnmp_daemonize(1, !use_syslog);
        if (rc)
            exit(-1);
    }

    /*
     * initialize the agent library 
     */
    init_agent("darRecorder");

    /*
     * init darRecorder mib code 
     */
	init_darDevice();
    init_darRecorder();
	init_recPartitionTable();
	init_recMCAddressTable();
    /*
     * read darRecorder.conf files. 
     */
    init_snmp("darRecorder");

    /*
     * If we're going to be a snmp master agent, initial the ports 
     */
    if (!agentx_subagent)
        init_master_agent();    /* open the port to listen on (defaults to udp:161) */

    /*
     * In case we recevie a request to stop (kill -TERM or kill -INT) 
     */
    keep_running = 1;
    signal(SIGTERM, stop_server);
    signal(SIGINT, stop_server);

    /*
     * you're main loop here... 
     */
    while (keep_running) {
        /*
         * if you use select(), see snmp_select_info() in snmp_api(3) 
         */
        /*
         * --- OR ---  
         */
        agent_check_and_process(1);     /* 0 == don't block */
    }

    /*
     * at shutdown time 
     */
    snmp_shutdown("darRecorder");

    exit(0);
}