private int Notify_Encode_Data(ref Byte[] apdu, BACNET_COV_DATA cov_data, int pos)
{
int len = 0; /* length of each encoding */
int apdu_len = 0;
BACNET_PROPERTY_VALUE value = null; /* value in list */
/* tag 0 - subscriberProcessIdentifier */
len = BasicalProcessor.Encode_Context_Unsigned(ref apdu, 0, cov_data.subscriberProcessIdentifier, pos + apdu_len);
apdu_len += len;
/* tag 1 - initiatingDeviceIdentifier */
len = BasicalProcessor.Encode_Context_ObjectId(ref apdu, 1, (int)BACNET_OBJECT_TYPE.OBJECT_DEVICE, cov_data.initiatingDeviceIdentifier, pos + apdu_len);
apdu_len += len;
/* tag 2 - monitoredObjectIdentifier */
len = BasicalProcessor.Encode_Context_ObjectId(ref apdu, 2, (int)cov_data.monitoredObjectIdentifier.type, cov_data.monitoredObjectIdentifier.instance, pos + apdu_len);
apdu_len += len;
/* tag 3 - timeRemaining */
len = BasicalProcessor.Encode_Context_Unsigned(ref apdu, 3, cov_data.timeRemaining, pos + apdu_len);
apdu_len += len;
/* tag 4 - listOfValues */
len = BasicalProcessor.Encode_Opening_Tag(ref apdu, 4, pos + apdu_len);
apdu_len += len;
/* the first value includes a pointer to the next value, etc */
for (int count = 0; count < cov_data.listOfValues.Count; count++)
{
value = cov_data.listOfValues[count];
/* tag 0 - propertyIdentifier */
len = BasicalProcessor.Encode_Context_Enumerate(ref apdu, 0, (uint)value.propertyIdentifier, pos + apdu_len);
apdu_len += len;
/* tag 1 - propertyArrayIndex OPTIONAL */
if (value.propertyArrayIndex != BacnetConst.BACNET_ARRAY_ALL)
{
len =
BasicalProcessor.Encode_Context_Unsigned(ref apdu, 1,
(uint)value.propertyArrayIndex, apdu_len);
apdu_len += len;
}
/* tag 2 - value */
len = BasicalProcessor.Encode_Opening_Tag(ref apdu, 2, pos + apdu_len);
apdu_len += len;
len = BasicalProcessor.Encode_Application_Data(ref apdu, ref value.value, apdu_len + pos);
apdu_len += len;
len = BasicalProcessor.Encode_Closing_Tag(ref apdu, 2, apdu_len + pos);
apdu_len += len;
/* tag 3 - priority OPTIONAL */
if (value.priority != 0)
{
len =
BasicalProcessor.Encode_Context_Unsigned(ref apdu, 3, value.priority, apdu_len);
apdu_len += len;
}
}
len = BasicalProcessor.Encode_Closing_Tag(ref apdu, 4, pos + apdu_len);
apdu_len += len;
return(apdu_len);
}
public void Send_Unconfirmed_Cov_Notification(ref IPEndPoint dest, ref BACNET_COV_DATA cov_data)
{
UnconFirmCovService service = new UnconFirmCovService();
service.Unconfirm_Cov_Service_Pack(ref data, ref cov_data);
ipep = dest;
// Send();
}
public void Unconfirm_Cov_Handler(ref Byte[] service_request, UInt16 service_len, ref BACNET_ADDRESS src)
{
int len = 0;
BACNET_COV_DATA cov_data = new BACNET_COV_DATA();
/* create linked list to store data if more
* than one property value is expected */
len = Unconfirm_Cov_Decode(ref service_request, service_len, ref cov_data);
MessageBox.Show(cov_data.initiatingDeviceIdentifier.ToString());
//可以对得到的数据进行操作
}
private int Unconfirm_Cov(ref Byte[] apdu, BACNET_COV_DATA cov_data, int pos)
{
int len = 0; /* length of each encoding */
int apdu_len = 0; /* total length of the apdu, return value */
apdu[pos + 0] = (Byte)BACNET_PDU_TYPE.PDU_TYPE_UNCONFIRMED_SERVICE_REQUEST;
apdu[pos + 1] = (Byte)BACNET_UNCONFIRMED_SERVICE.SERVICE_UNCONFIRMED_COV_NOTIFICATION; /* service choice */
apdu_len = 2;
len = Notify_Encode_Data(ref apdu, cov_data, pos + apdu_len);
apdu_len += len;
return(apdu_len);
}
public int Unconfirm_Cov_Service_Pack(ref byte[] Handler_Transmit_Buffer, ref BACNET_COV_DATA cov_data)
{ //无证实服务 广播
int len = 0;
int pdu_len = 0;
int bytes_len = 0;
BACNET_ADDRESS dest = new BACNET_ADDRESS();
BACNET_NPDU_DATA npdu_data = new BACNET_NPDU_DATA();
BACNET_ADDRESS my_address = new BACNET_ADDRESS();
BacnetAddresssProcessor.Get_My_Address(ref my_address);
BacnetAddresssProcessor.Get_Broadcast_Address(ref dest, true, 60);
NpduProcessor n_pro = new NpduProcessor();
BvlcProcessor b_pro = new BvlcProcessor();
// datalink_get_my_address(&my_address);
// datalink_get_broadcast_address(dest);
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 = Unconfirm_Cov(ref Handler_Transmit_Buffer, cov_data, pdu_len);
pdu_len += len;
bytes_len = b_pro.Encode(ref Handler_Transmit_Buffer, ref dest, ref npdu_data, pdu_len);
return(bytes_len);
}
private int Unconfirm_Cov_Decode(ref Byte[] request, uint service_len, ref BACNET_COV_DATA data)
{
int len = 0; /* return value */
Byte tag_number = 0;
UInt32 len_value = 0;
UInt32 decoded_value = 0; /* for decoding */
UInt16 decoded_type = 0; /* for decoding */
UInt32 property = 0; /* for decoding */
/* value in list */
/* tag 0 - subscriberProcessIdentifier */
// if (decode_is_context_tag(&apdu[len], 0))
len += BasicalProcessor.Decode_Tag_number_and_Value(ref request, ref tag_number, ref len_value, len);
len += BasicalProcessor.Decode_Unsigned(ref request, len_value, ref decoded_value, len);
data.subscriberProcessIdentifier = decoded_value;
/* tag 1 - initiatingDeviceIdentifier */
len += BasicalProcessor.Decode_Tag_number_and_Value(ref request, ref tag_number, ref len_value, len);
len += BasicalProcessor.Decode_Object_Id(ref request, ref decoded_type, ref data.initiatingDeviceIdentifier, len);
/* tag 2 - monitoredObjectIdentifier */
len += BasicalProcessor.Decode_Tag_number_and_Value(ref request, ref tag_number, ref len_value, len);
len += BasicalProcessor.Decode_Object_Id(ref request, ref decoded_type, ref data.monitoredObjectIdentifier.instance, len);
/* tag 3 - timeRemaining */
len += BasicalProcessor.Decode_Tag_number_and_Value(ref request, ref tag_number, ref len_value, len);
len += BasicalProcessor.Decode_Unsigned(ref request, len_value, ref decoded_value, len);
data.timeRemaining = decoded_value;
/* tag 4: opening context tag - listOfValues */
// if (!decode_is_opening_tag_number(&apdu[len], 4)) {
len++;
while (true) //应该设置遇到时间戳就BREAK? 下面CLOSING TAG有break
{
BACNET_PROPERTY_VALUE value = new BACNET_PROPERTY_VALUE();
/* tag 0 - propertyIdentifier */
if (BasicalProcessor.Decode_Is_Context_Tag(ref request, 0, len))
{
len += BasicalProcessor.Decode_Tag_number_and_Value(ref request, ref tag_number, ref len_value, len);
len += BasicalProcessor.Decode_Enumerated(ref request, len_value, ref property, len);
value.propertyIdentifier = (BACNET_PROPERTY_ID)property;
}
else
{
return(-1);
}
/* tag 1 - propertyArrayIndex OPTIONAL */
if (BasicalProcessor.Decode_Is_Context_Tag(ref request, 1, len))
{
len += BasicalProcessor.Decode_Tag_number_and_Value(ref request, ref tag_number, ref len_value, len);
len += BasicalProcessor.Decode_Unsigned(ref request, len_value, ref decoded_value, len);
value.propertyArrayIndex = (UInt32)decoded_value;
}
else
{
value.propertyArrayIndex = BacnetConst.BACNET_ARRAY_ALL;//#define BACNET_ARRAY_ALL (~(unsigned int)0)
}
/* tag 2: opening context tag - value */
if (!BasicalProcessor.Decode_Is_Opening_Tag_Number(ref request, 2, len))
{
return(-1);
}
len++;
len += BasicalProcessor.Decode_Application_Data(ref request, (uint)(service_len - len), ref value.value, len);
if (!BasicalProcessor.Decode_Is_Closing_Tag_Number(ref request, 2, len))
{
return(-1);
}
len++;
/* tag 3 - priority OPTIONAL */
if (BasicalProcessor.Decode_Is_Context_Tag(ref request, 3, len))
{
len += BasicalProcessor.Decode_Tag_number_and_Value(ref request, ref tag_number, ref len_value, len);
len += BasicalProcessor.Decode_Unsigned(ref request, len_value, ref decoded_value, len);
value.priority = (Byte)decoded_value;
}
else
{
value.priority = 0;
}
data.listOfValues.Add(value);
if (BasicalProcessor.Decode_Is_Closing_Tag_Number(ref request, 4, len))
{
break;
}
}
return(len);
}
public void Check()
{
for (int i = 0; i < Form_main.lift_count; i++)
{
if (Form_main.lift_list[i].cov_subcription.valid)
{
if (Lift_Record[i].Service_Mode != Form_main.lift_list[i].Service_Mode)
{
BACNET_PROPERTY_VALUE temp = new BACNET_PROPERTY_VALUE();
temp.value.context_specific = true;
temp.propertyArrayIndex = BacnetConst.BACNET_ARRAY_ALL;
temp.value.context_tag = 2;
Lift_Record[i].Service_Mode = Form_main.lift_list[i].Service_Mode;
temp.propertyIdentifier = BACNET_PROPERTY_ID.PROP_LIFT_Service_Mode;
temp.value.tag = (Byte)BACNET_APPLICATION_TAG.BACNET_APPLICATION_TAG_UNSIGNED_INT;
temp.value.value.Unsigned_Int = (uint)Lift_Record[i].Service_Mode;
cov_value.Add(temp);
change = true;
}
if (Lift_Record[i].Car_Status != Form_main.lift_list[i].Car_Status)
{
Lift_Record[i].Car_Status = Form_main.lift_list[i].Car_Status;
BACNET_PROPERTY_VALUE temp = new BACNET_PROPERTY_VALUE();
temp.value.context_specific = true;
temp.propertyArrayIndex = BacnetConst.BACNET_ARRAY_ALL;
temp.value.context_tag = 2;
temp.propertyIdentifier = BACNET_PROPERTY_ID.PROP_LIFT_Car_Status;
temp.value.tag = (Byte)BACNET_APPLICATION_TAG.BACNET_APPLICATION_TAG_UNSIGNED_INT;
temp.value.value.Unsigned_Int = (uint)Lift_Record[i].Car_Status;
cov_value.Add(temp);
change = true;
}
if (Lift_Record[i].Car_Direction != Form_main.lift_list[i].Car_Direction)
{
BACNET_PROPERTY_VALUE temp = new BACNET_PROPERTY_VALUE();
temp.value.context_specific = true;
temp.propertyArrayIndex = BacnetConst.BACNET_ARRAY_ALL;
temp.value.context_tag = 2;
Lift_Record[i].Car_Direction = Form_main.lift_list[i].Car_Direction;
temp.propertyIdentifier = BACNET_PROPERTY_ID.PROP_LIFT_Car_Direction;
temp.value.tag = (Byte)BACNET_APPLICATION_TAG.BACNET_APPLICATION_TAG_UNSIGNED_INT;
temp.value.value.Unsigned_Int = (uint)Lift_Record[i].Car_Direction;
cov_value.Add(temp);
change = true;
}
if (Lift_Record[i].Door_Zone != Form_main.lift_list[i].Door_Zone)
{
BACNET_PROPERTY_VALUE temp = new BACNET_PROPERTY_VALUE();
temp.value.context_specific = true;
temp.propertyArrayIndex = BacnetConst.BACNET_ARRAY_ALL;
temp.value.context_tag = 2;
Lift_Record[i].Door_Zone = Form_main.lift_list[i].Door_Zone;
temp.propertyIdentifier = BACNET_PROPERTY_ID.PROP_LIFT_Door_Zone;
temp.value.tag = (Byte)BACNET_APPLICATION_TAG.BACNET_APPLICATION_TAG_BOOLEAN;
temp.value.value.Boolean = Lift_Record[i].Door_Zone;
cov_value.Add(temp);
change = true;
}
if (Lift_Record[i].Car_Position != Form_main.lift_list[i].Car_Position)
{
BACNET_PROPERTY_VALUE temp = new BACNET_PROPERTY_VALUE();
temp.value.context_specific = true;
temp.propertyArrayIndex = BacnetConst.BACNET_ARRAY_ALL;
temp.value.context_tag = 2;
Lift_Record[i].Car_Position = Form_main.lift_list[i].Car_Position;
temp.propertyIdentifier = BACNET_PROPERTY_ID.PROP_LIFT_Car_Position;
temp.value.tag = (Byte)BACNET_APPLICATION_TAG.BACNET_APPLICATION_TAG_UNSIGNED_INT;
temp.value.value.Unsigned_Int = Lift_Record[i].Car_Position;
cov_value.Add(temp);
change = true;
}
if (Lift_Record[i].Door_Status != Form_main.lift_list[i].Door_Status)
{
BACNET_PROPERTY_VALUE temp = new BACNET_PROPERTY_VALUE();
temp.value.context_specific = true;
temp.propertyArrayIndex = BacnetConst.BACNET_ARRAY_ALL;
temp.value.context_tag = 2;
Lift_Record[i].Door_Status = Form_main.lift_list[i].Door_Status;
temp.propertyIdentifier = BACNET_PROPERTY_ID.PROP_LIFT_Door_Status;
temp.value.tag = (Byte)BACNET_APPLICATION_TAG.BACNET_APPLICATION_TAG_BOOLEAN;
temp.value.value.Boolean = Lift_Record[i].Door_Status;
cov_value.Add(temp);
change = true;
}
if (Lift_Record[i].Passenger_Status != Form_main.lift_list[i].Passenger_Status)
{
BACNET_PROPERTY_VALUE temp = new BACNET_PROPERTY_VALUE();
temp.value.context_specific = true;
temp.propertyArrayIndex = BacnetConst.BACNET_ARRAY_ALL;
temp.value.context_tag = 2;
Lift_Record[i].Passenger_Status = Form_main.lift_list[i].Passenger_Status;
temp.propertyIdentifier = BACNET_PROPERTY_ID.PROP_LIFT_Passenger_Status;
temp.value.tag = (Byte)BACNET_APPLICATION_TAG.BACNET_APPLICATION_TAG_BOOLEAN;
temp.value.value.Boolean = Lift_Record[i].Passenger_Status;
cov_value.Add(temp);
change = true;
}
//Message Code未实现
if (change)
{
BACNET_PROPERTY_VALUE temp = new BACNET_PROPERTY_VALUE();
temp.value.context_specific = true;
temp.propertyArrayIndex = BacnetConst.BACNET_ARRAY_ALL;
temp.value.context_tag = 2;
Lift_Record[i].SetTimeStamp();
temp.propertyIdentifier = BACNET_PROPERTY_ID.PROP_LOCAL_DATE;
temp.value.tag = (Byte)BACNET_APPLICATION_TAG.BACNET_APPLICATION_TAG_DATE;
temp.value.value.Date = Lift_Record[i].Time_Stamps.value.date;
cov_value.Add(temp);
BACNET_PROPERTY_VALUE temp1 = new BACNET_PROPERTY_VALUE();
temp1.value.context_specific = true;
temp1.propertyArrayIndex = BacnetConst.BACNET_ARRAY_ALL;
temp1.value.context_tag = 2;
temp1.propertyIdentifier = BACNET_PROPERTY_ID.PROP_LOCAL_TIME;
temp1.value.tag = (Byte)BACNET_APPLICATION_TAG.BACNET_APPLICATION_TAG_TIME;
temp1.value.value.Time = Lift_Record[i].Time_Stamps.value.time;
cov_value.Add(temp1);
//发送COV
BACNET_COV_DATA cov_data = new BACNET_COV_DATA();
UnconFirmCovService Service = new UnconFirmCovService();
cov_data.subscriberProcessIdentifier = Form_main.lift_list[i].cov_subcription.subscriberProcessIdentifier;
cov_data.monitoredObjectIdentifier = Form_main.lift_list[i].cov_subcription.monitoredObjectIdentifier;
cov_data.timeRemaining = Form_main.lift_list[i].cov_subcription.lifetime;
cov_data.initiatingDeviceIdentifier = Form_main.lift_list[i].Device_Identifier;
cov_data.listOfValues = cov_value;
Byte[] buff = new Byte[1024];
int Send_len = Service.Unconfirm_Cov_Service_Pack(ref buff, ref cov_data);
IPEndPoint dest = new IPEndPoint(IPAddress.Broadcast, 60);//假设60测试？
UdpSender sendder = new UdpSender(ref buff, dest);
sendder.SendBrocast(Send_len);
change = false;
}
cov_value.Clear();
}
}
}