snmp自动发trap的实现

snmp自动发trap

 

/*
 * Note: this file originally auto-generated by mib2c using
 *        : mib2c.notify.conf 17838 2009-11-25 20:35:23Z magfr $
 */

#include <net-snmp/net-snmp-config.h>
#include <net-snmp/net-snmp-includes.h>
#include <net-snmp/agent/net-snmp-agent-includes.h>
#include <net-snmp/agent/snmp_agent.h>
#include "fm200_notification.h"

extern const oid snmptrap_oid[];
extern const size_t snmptrap_oid_len;
 int content = 3;

int send_XXX_trap( int i_num_index )
{
    netsnmp_variable_list  *var_list = NULL;
    oid XXX_oid[] = { 1,3,6,1,4,1,11161,2,0,26 };
    oid ＸＸＸＡ_oid[] = { 1,3,6,1,4,1,11161,2,5,1,2,1,2,0 /* insert index here */ };
    size_t XXXA_oid_len = OID_LENGTH(XXXA_oid);
    ＸＸＸＡ_oid[XXXA_oid_len - 1] = i_num_index + 1;

    /*
     * Set the snmpTrapOid.0 value
     */

    snmp_varlist_add_variable(&var_list,
        snmptrap_oid, snmptrap_oid_len,
        ASN_OBJECT_ID,
        ＸＸＸ_oid, sizeof(XXX_oid));

    /*
     * Add any objects from the trap definition
     */
    snmp_varlist_add_variable(&var_list,
        XXXA_oid, OID_LENGTH(XXXA_oid),
        ASN_INTEGER,
        /* Set an appropriate value for XXXA*/
       &content, sizeof(int));

    /*
     * Add any extra (optional) objects here
     */

    /*
     * Send the trap to the list of configured destinations
     *  and clean up
     */

    send_v2trap( var_list );
    snmp_free_varbind( var_list );

    return SNMP_ERR_NOERROR;
}

int send_YYY_trap(int i_num_index)
{
    netsnmp_variable_list  *var_list = NULL;
     oid YYY_oid[] = { 1,3,6,1,4,1,11161,2,0,27 };
     oid YYYA_oid[] = { 1,3,6,1,4,1,11161,2,5,1,2,1,3,0 /* insert index here */ };
     size_t YYYA_oid_len = OID_LENGTH(YYYA_oid);
     YYYA_oid[YYYA_oid_len - 1] = i_num_index + 1;

    /*
     * Set the snmpTrapOid.0 value
     */
    snmp_varlist_add_variable(&var_list,
        snmptrap_oid, snmptrap_oid_len,
        ASN_OBJECT_ID,
        YYY_oid, sizeof(YYY_oid));
   
    /*
     * Add any objects from the trap definition
     */
    snmp_varlist_add_variable(&var_list,
        YYYA_oid, OID_LENGTH(YYYA_oid),
        ASN_INTEGER,
        /* Set an appropriate value for YYYA*/
        &content, sizeof(int));

    /*
     * Add any extra (optional) objects here
     */
    /*
     * Send the trap to the list of configured destinations
     *  and clean up
     */
    send_v2trap( var_list );
    snmp_free_varbind( var_list );

    return SNMP_ERR_NOERROR;
}

 然后在初始化init_XXX_notification()

最后要把snmpd.conf的文件配置好，向那发trap，就写好改IP，实际情况还是要根据项目来定发trap的条件。