Beispiel #1
0
func (pdu *V3PDU) decodePDU(native *C.snmp_pdu_t) (bool, SnmpError) {

	pdu.requestId = int(native.request_id)
	pdu.identifier = int(native.identifier)
	pdu.op = SnmpType(native.pdu_type)

	pdu.contextEngine = readGoBytes(&native.context_engine[0], native.context_engine_len)
	pdu.contextName = readGoString(&native.context_name[0], SNMP_CONTEXT_NAME_LEN)

	pdu.engine = new(snmpEngine)
	pdu.engine.engine_id = readGoBytes(&native.engine.engine_id[0], native.engine.engine_len)
	pdu.engine.engine_boots = int(native.engine.engine_boots)
	pdu.engine.engine_time = int(native.engine.engine_time)
	pdu.maxMsgSize = uint(native.engine.max_msg_size)
	pdu.error_status = int32(native.error_status)

	pdu.securityModel = new(USM)
	err := pdu.securityModel.Read(&native.user)

	if nil != err {
		return false, newError(SNMP_CODE_FAILED, err, "read security model failed")
	}

	decodeBindings(native, pdu.GetVariableBindings())

	if native.pdu_type == C.SNMP_PDU_REPORT {
		ret_code := C.snmp_check_bad_oids(native)
		if ret_code != 0 {
			err = Error(SnmpResult(ret_code), "check pdu failed, "+C.GoString(C.snmp_get_error(ret_code)))
			return true, err //newError(, err, "check pdu failed")
		}
	}

	if C.SNMP_ERR_NOERROR != native.error_status {
		ret_code := uint32(C.SNMP_CODE_ERR_NOERROR + native.error_status)
		err = Error(SnmpResult(ret_code), "check pdu failed, "+C.GoString(C.snmp_get_error(ret_code)))
		return true, err //newError(, err, "check pdu failed")
	}

	return true, nil
}
Beispiel #2
0
func (pdu *V2CPDU) decodePDU(native *C.snmp_pdu_t) (bool, SnmpError) {
	native.community[MAX_COMMUNITY_LEN-1] = 0
	pdu.community = C.GoString(&native.community[0])

	pdu.requestId = int(native.request_id)
	pdu.op = SnmpType(native.pdu_type)
	pdu.version = SnmpVersion(native.version)
	pdu.error_status = int32(native.error_status)
	decodeBindings(native, pdu.GetVariableBindings())

	if C.SNMP_ERR_NOERROR != native.error_status {
		ret_code := uint32(C.SNMP_CODE_ERR_NOERROR + native.error_status)
		err := Error(SnmpResult(ret_code), "check pdu failed, "+C.GoString(C.snmp_get_error(ret_code)))
		return true, err //newError(, err, "check pdu failed")
	}

	return true, nil
}