snmpSetOID (Function)

This function will write an OID value to a managed device.

Input:

Handle : SYSHANDLE

The handle to the connection established from snmpConnect.

OID : STRING

The OID for the value to write.

V : STRING

The value to write.

Returns: INT

Declaration

FUNCTION snmpSetOID : INT;
VAR_INPUT
  Handle  : MANDATORY SYSHANDLE;
  OID     : MANDATORY STRING;
  V       : MANDATORY STRING;
END_VAR;

Example:

INCLUDE rtcu.inc
 
VAR
  iface     : SINT := 2;
END_VAR;
 
PROGRAM test;
VAR
  rc        : INT;
  snmplabs  : SYSHANDLE;
  var_oid   : STRING;
END_VAR;
  // Open net interface.
  rc := netOpen(iface := iface);
  DebugFmt(Message := "netOpen (rc=\1)", v1 := rc);
  WHILE NOT netConnected(iface := iface) DO
    Sleep(Delay := 2000);
  END_WHILE;
 
  // Establish connection with client host.
  rc := snmpConnect(
                    handle   := snmplabs,
                    community := "public",
                    host     := "demo.snmplabs.com"
                   );
  IF rc = 1 THEN
     var_oid := "0.1.9";
     // Write to OID variable.
     rc := snmpSetOID(
                      handle := snmplabs,
                      oid   := "1.3.6.1.2.1.4.21.1.13.10.20.41.0",
                      v     := var_oid
                     );
     DebugFmt(message := "snmpSetOID (rc=\1)", v1 := rc);
  ELSE
    DebugFmt(message := "snmpConnect failed (rc=\1)", v1 := rc);
  END_IF;
  ...
BEGIN
  ...
END;
END_PROGRAM;