/* encode service */
int rd_encode_apdu(
uint8_t * apdu,
uint8_t invoke_id,
BACNET_REINITIALIZED_STATE state,
BACNET_CHARACTER_STRING * password)
{
int len = 0; /* length of each encoding */
int apdu_len = 0; /* total length of the apdu, return value */
if (apdu) {
apdu[0] = PDU_TYPE_CONFIRMED_SERVICE_REQUEST;
apdu[1] = encode_max_segs_max_apdu(0, MAX_APDU);
apdu[2] = invoke_id;
apdu[3] = SERVICE_CONFIRMED_REINITIALIZE_DEVICE;
apdu_len = 4;
len = encode_context_enumerated(&apdu[apdu_len], 0, state);
apdu_len += len;
/* optional password */
if (password) {
/* FIXME: must be at least 1 character, limited to 20 characters */
len =
encode_context_character_string(&apdu[apdu_len], 1, password);
apdu_len += len;
}
}
return apdu_len;
}
/* encode service */
int wp_encode_apdu(
uint8_t * apdu,
uint8_t invoke_id,
BACNET_WRITE_PROPERTY_DATA * wpdata)
{
int apdu_len = 0; /* total length of the apdu, return value */
int len = 0; /* total length of the apdu, return value */
if (apdu) {
apdu[0] = PDU_TYPE_CONFIRMED_SERVICE_REQUEST;
apdu[1] = encode_max_segs_max_apdu(0, MAX_APDU);
apdu[2] = invoke_id;
apdu[3] = SERVICE_CONFIRMED_WRITE_PROPERTY; /* service choice */
apdu_len = 4;
len =
encode_context_object_id(&apdu[apdu_len], 0, wpdata->object_type,
wpdata->object_instance);
apdu_len += len;
len =
encode_context_enumerated(&apdu[apdu_len], 1,
wpdata->object_property);
apdu_len += len;
/* optional array index; ALL is -1 which is assumed when missing */
if (wpdata->array_index != BACNET_ARRAY_ALL) {
len =
encode_context_unsigned(&apdu[apdu_len], 2,
wpdata->array_index);
apdu_len += len;
}
/* propertyValue */
len = encode_opening_tag(&apdu[apdu_len], 3);
apdu_len += len;
for (len = 0; len < wpdata->application_data_len; len++) {
apdu[apdu_len + len] = wpdata->application_data[len];
}
apdu_len += wpdata->application_data_len;
len = encode_closing_tag(&apdu[apdu_len], 3);
apdu_len += len;
/* optional priority - 0 if not set, 1..16 if set */
if (wpdata->priority != BACNET_NO_PRIORITY) {
len =
encode_context_unsigned(&apdu[apdu_len], 4, wpdata->priority);
apdu_len += len;
}
}
return apdu_len;
}
/* encode service */
int get_alarm_summary_encode_apdu(
uint8_t * apdu,
uint8_t invoke_id
) {
int apdu_len = 0; /* total length of the apdu, return value */
if (apdu) {
apdu[0] = PDU_TYPE_CONFIRMED_SERVICE_REQUEST;
apdu[1] = encode_max_segs_max_apdu(0, MAX_APDU);
apdu[2] = invoke_id;
apdu[3] = SERVICE_CONFIRMED_GET_ALARM_SUMMARY;
apdu_len = 4;
}
return apdu_len;
}
/* encode the initial portion of the service */
int rpm_encode_apdu_init(
uint8_t * apdu,
uint8_t invoke_id)
{
int apdu_len = 0; /* total length of the apdu, return value */
if (apdu) {
apdu[0] = PDU_TYPE_CONFIRMED_SERVICE_REQUEST;
apdu[1] = encode_max_segs_max_apdu(0, MAX_APDU);
apdu[2] = invoke_id;
apdu[3] = SERVICE_CONFIRMED_READ_PROP_MULTIPLE; /* service choice */
apdu_len = 4;
}
return apdu_len;
}
/* encode service */
int awf_encode_apdu(
uint8_t * apdu,
uint8_t invoke_id,
BACNET_ATOMIC_WRITE_FILE_DATA * data)
{
int apdu_len = 0; /* total length of the apdu, return value */
if (apdu) {
apdu[0] = PDU_TYPE_CONFIRMED_SERVICE_REQUEST;
apdu[1] = encode_max_segs_max_apdu(0, MAX_APDU);
apdu[2] = invoke_id;
apdu[3] = SERVICE_CONFIRMED_ATOMIC_WRITE_FILE; /* service choice */
apdu_len = 4;
apdu_len +=
encode_application_object_id(&apdu[apdu_len], data->object_type,
data->object_instance);
switch (data->access) {
case FILE_STREAM_ACCESS:
apdu_len += encode_opening_tag(&apdu[apdu_len], 0);
apdu_len +=
encode_application_signed(&apdu[apdu_len],
data->type.stream.fileStartPosition);
apdu_len +=
encode_application_octet_string(&apdu[apdu_len],
&data->fileData);
apdu_len += encode_closing_tag(&apdu[apdu_len], 0);
break;
case FILE_RECORD_ACCESS:
apdu_len += encode_opening_tag(&apdu[apdu_len], 1);
apdu_len +=
encode_application_signed(&apdu[apdu_len],
data->type.record.fileStartRecord);
apdu_len +=
encode_application_unsigned(&apdu[apdu_len],
data->type.record.returnedRecordCount);
apdu_len +=
encode_application_octet_string(&apdu[apdu_len],
&data->fileData);
apdu_len += encode_closing_tag(&apdu[apdu_len], 1);
break;
default:
break;
}
}
return apdu_len;
}
int ptransfer_encode_apdu(
uint8_t * apdu,
uint8_t invoke_id,
BACNET_PRIVATE_TRANSFER_DATA * private_data)
{
int apdu_len = 0; /* total length of the apdu, return value */
if (apdu) {
apdu[0] = PDU_TYPE_CONFIRMED_SERVICE_REQUEST;
apdu[1] = encode_max_segs_max_apdu(0, MAX_APDU);
apdu[2] = invoke_id;
apdu[3] = SERVICE_CONFIRMED_PRIVATE_TRANSFER;
apdu_len = 4;
apdu_len =
pt_encode_apdu(&apdu[apdu_len], MAX_APDU - apdu_len, private_data);
}
return apdu_len;
}
/* encode service */
int rp_encode_apdu(
uint8_t * apdu,
uint8_t invoke_id,
BACNET_READ_PROPERTY_DATA * rpdata)
{
int len = 0; /* length of each encoding */
int apdu_len = 0; /* total length of the apdu, return value */
if (apdu) {
apdu[0] = PDU_TYPE_CONFIRMED_SERVICE_REQUEST;
apdu[1] = encode_max_segs_max_apdu(0, MAX_APDU);
apdu[2] = invoke_id;
apdu[3] = SERVICE_CONFIRMED_READ_PROPERTY; /* service choice */
apdu_len = 4;
if (rpdata->object_type <= BACNET_MAX_OBJECT) {
/* check bounds so that we could create malformed
messages for testing */
len =
encode_context_object_id(&apdu[apdu_len], 0,
rpdata->object_type, rpdata->object_instance);
apdu_len += len;
}
if (rpdata->object_property <= 4194303) {
/* check bounds so that we could create malformed
messages for testing */
len =
encode_context_enumerated(&apdu[apdu_len], 1,
rpdata->object_property);
apdu_len += len;
}
/* optional array index */
if (rpdata->array_index != BACNET_ARRAY_ALL) {
len =
encode_context_unsigned(&apdu[apdu_len], 2,
rpdata->array_index);
apdu_len += len;
}
}
return apdu_len;
}
/***************************************************
**
** Creates an Unconfirmed Event Notification APDU
**
****************************************************/
int alarm_ack_encode_apdu(
uint8_t * apdu,
uint8_t invoke_id,
BACNET_ALARM_ACK_DATA * data)
{
int len = 0; /* length of each encoding */
int apdu_len = 0; /* total length of the apdu, return value */
if (apdu) {
apdu[0] = PDU_TYPE_CONFIRMED_SERVICE_REQUEST;
apdu[1] = encode_max_segs_max_apdu(0, MAX_APDU);
apdu[2] = invoke_id;
apdu[3] = SERVICE_CONFIRMED_ACKNOWLEDGE_ALARM; /* service choice */
apdu_len = 4;
len = alarm_ack_encode_service_request(&apdu[apdu_len], data);
apdu_len += len;
}
return apdu_len;
}
int lso_encode_apdu(
uint8_t * apdu,
uint8_t invoke_id,
BACNET_LSO_DATA * data)
{
int len = 0; /* length of each encoding */
int apdu_len = 0; /* total length of the apdu, return value */
if (apdu && data) {
apdu[0] = PDU_TYPE_CONFIRMED_SERVICE_REQUEST;
apdu[1] = encode_max_segs_max_apdu(0, MAX_APDU);
apdu[2] = invoke_id;
apdu[3] = SERVICE_CONFIRMED_LIFE_SAFETY_OPERATION;
apdu_len = 4;
/* tag 0 - requestingProcessId */
len = encode_context_unsigned(&apdu[apdu_len], 0, data->processId);
apdu_len += len;
/* tag 1 - requestingSource */
len =
encode_context_character_string(&apdu[apdu_len], 1,
&data->requestingSrc);
apdu_len += len;
/*
Operation
*/
len = encode_context_enumerated(&apdu[apdu_len], 2, data->operation);
apdu_len += len;
/*
Object ID
*/
len =
encode_context_object_id(&apdu[apdu_len], 3,
(int) data->targetObject.type, data->targetObject.instance);
apdu_len += len;
}
return apdu_len;
}
