private int Decode_Service_Request(ref Byte[] apdu, uint request_len, ref ACKNOWLEDGE_ALARM_DATA Ack_data)
{
int len = 0;
int section_length = 0;
UInt32 value = 0;
/* tag 0 - processIdentifier */
section_length = BasicalProcessor.Decode_Context_Unsigned(ref apdu, 0, ref Ack_data.ProcessIdentifier, len);
len += section_length;
/* tag 1 - eventObjectIdentifier */
section_length = BasicalProcessor.Decode_Object_Id(ref apdu, ref Ack_data.EventIdentifier.type, ref Ack_data.EventIdentifier.instance, len);
len += section_length;
/* tag2 EventStare */
section_length = BasicalProcessor.Decode_Enumerated(ref apdu, 2, ref value, len);
Ack_data.StateAcknowledged = (BACNET_EVENT_STATE)value;
len += section_length;
/* tag 3 - timeStamp */
section_length = BasicalProcessor.Decode_Context_Timestamp(ref apdu, 3, ref Ack_data.TimeStamp, len);
len += section_length;
/* tag 4 Acknowledgment Source */
section_length = BasicalProcessor.Decode_Context_Character_String(ref apdu, 4, ref Ack_data.Source, len);
len += section_length;
/* tag 5 - AcktimeStamp */
section_length = BasicalProcessor.Decode_Context_Timestamp(ref apdu, 5, ref Ack_data.TimeOfAcknowledgment, len);
len += section_length;
return(len);
}
private int Acknowledge_Alarm_Encode(ref Byte[] apdu, Byte invoke_id, ref ACKNOWLEDGE_ALARM_DATA Ack_data, int pos)
{
int len = 0; /* length of each encoding */
int apdu_len = 0;
apdu[pos + 0] = (byte)BACNET_PDU_TYPE.PDU_TYPE_CONFIRMED_SERVICE_REQUEST;
apdu[pos + 1] = BasicalProcessor.Encode_MaxSegsandApdu(0, 1476);
apdu[pos + 2] = invoke_id;
apdu[pos + 3] = (byte)BACNET_CONFIRMED_SERVICE.SERVICE_CONFIRMED_ACKNOWLEDGE_ALARM;
apdu_len = 4;
/* tag 0 - processIdentifier */
len = BasicalProcessor.Encode_Context_Unsigned(ref apdu, 0, Ack_data.ProcessIdentifier, pos + apdu_len);
apdu_len += len;
/* tag 1 - eventObjectIdentifier */
len = BasicalProcessor.Encode_Context_ObjectId(ref apdu, 1, (int)Ack_data.EventIdentifier.type, Ack_data.EventIdentifier.instance, pos + apdu_len);
apdu_len += len;
/* tag 2 - toState */
len = BasicalProcessor.Encode_Context_Enumerate(ref apdu, 2, (uint)Ack_data.StateAcknowledged, apdu_len + pos);
apdu_len += len;
/* tag 3 - timeStamp */
len = BasicalProcessor.Encode_Context_Timestamp(ref apdu, 3, ref Ack_data.TimeStamp, pos + apdu_len);
apdu_len += len;
/* tag 4 - Acknowledgment Source */
len = BasicalProcessor.Encode_Context_Character_String(ref apdu, 4, ref Ack_data.Source, pos + apdu_len);
apdu_len += len;
/* tag 5- timeStamp */
len = BasicalProcessor.Encode_Context_Timestamp(ref apdu, 5, ref Ack_data.TimeOfAcknowledgment, pos + apdu_len);
apdu_len += len;
return(apdu_len);
}
public void Acknowledge_Alarm_Handler(ref Byte[] request, UInt16 request_len, ref BACNET_ADDRESS src, ref BACNET_CONFIRMED_SERVICE_DATA request_data)
{
ACKNOWLEDGE_ALARM_DATA Ack_data = new ACKNOWLEDGE_ALARM_DATA();
Byte[] buffer = new Byte[1024];
BACNET_ADDRESS my_address = new BACNET_ADDRESS();
NpduProcessor n_pro = new NpduProcessor();
BACNET_NPDU_DATA npdu_data = new BACNET_NPDU_DATA();
ApduProcessor a_pro = new ApduProcessor();
BvlcProcessor b_pro = new BvlcProcessor();
int pdu_len = 0;
int byte_len = 0;
int apdu_len = -1;
int npdu_len = -1;
int len = 0;
len = Decode_Service_Request(ref request, request_len, ref Ack_data);
n_pro.Encode_NpduData(ref npdu_data, false, BACNET_MESSAGE_PRIORITY.MESSAGE_PRIORITY_NORMAL);
npdu_len = n_pro.Encode(ref buffer, ref src, ref my_address, ref npdu_data);
apdu_len = a_pro.Encode_Simple_Ack(ref buffer, request_data.invoke_id, (Byte)BACNET_CONFIRMED_SERVICE.SERVICE_CONFIRMED_SUBSCRIBE_COV, npdu_len);
pdu_len = npdu_len + apdu_len;
byte_len = b_pro.Encode(ref buffer, ref src, ref npdu_data, pdu_len);
}
public int AcknowledgeAlarmService_Pack(ref byte[] Handler_Transmit_Buffer, BACNET_ADDRESS dest, ref ACKNOWLEDGE_ALARM_DATA Ack_data)
{
BACNET_ADDRESS my_address = new BACNET_ADDRESS();
BacnetAddresssProcessor.Get_My_Address(ref my_address);
int byte_len = 0;
Byte invoke_id;
int len = 0;
int pdu_len = 0;
NpduProcessor n_pro = new NpduProcessor();
BACNET_NPDU_DATA npdu_data = new BACNET_NPDU_DATA();
BvlcProcessor b_pro = new BvlcProcessor();
//invoke_id=get_invoke_id() 获取invoke_id未写 假设为1
invoke_id = 1;
n_pro.Encode_NpduData(ref npdu_data, true, BACNET_MESSAGE_PRIORITY.MESSAGE_PRIORITY_NORMAL);
pdu_len = n_pro.Encode(ref Handler_Transmit_Buffer, ref dest, ref my_address, ref npdu_data);
len = Acknowledge_Alarm_Encode(ref Handler_Transmit_Buffer, invoke_id, ref Ack_data, pdu_len);
pdu_len += len;
byte_len = b_pro.Encode(ref Handler_Transmit_Buffer, ref dest, ref npdu_data, pdu_len);
return(invoke_id);;
}
