snmp_set_community

#include <rtl.h>

BOOL snmp_set_community (
    const char *community);   /* Pointer to a Community string. */

The snmp_set_community function changes the SNMP community to a new community identified with a parameter community.

Parameter community is a pointer to a 0-terminated string. The maximum length of the community string is limited to 18 characters.

The snmp_set_community function returns __TRUE when the SNMP community has been changed successfully. On error, this function returns __FALSE.

snmp_trap

void send_alarm (void) {
  /* Send a trap message when alarm input is activated.*/
  U16 obj[2];

  /* Change the community to "private". */
  snmp_set_community ("private");

  /* Add "KeyIn" value to trap message. */
  obj[0] = 1;
  obj[1] = 8;    /* Index of "KeyIn" entry in MIB table. */
  snmp_trap (NULL, 6, 1, obj);

  /* Restore the community to "public". */
  snmp_set_community ("public");
}