public int Decode_Ack_Service_Request(ref Byte[] apdu, UInt16 apdu_len, ref BACnet_Read_Property_Data rpdata, int pos = 0)
{
Byte tag_number = 0;
UInt32 len_value_type = 0;
int tag_len = 0; /* length of tag decode */
int len = 0; /* total length of decodes */
UInt16 object_type = 0; /* object type */
UInt32 property = 0; /* for decoding */
UInt32 array_value = 0; /* for decoding */
len = 1;
len += BasicalProcessor.Decode_Object_Id(ref apdu, ref object_type, ref rpdata.object_instance, len);
rpdata.object_type = (BACNET_OBJECT_TYPE)object_type;
len += BasicalProcessor.Decode_Tag_number_and_Value(ref apdu, ref tag_number, ref len_value_type, len);
if (tag_number != 1)
{
return(-1);
}
len += BasicalProcessor.Decode_Enumerated(ref apdu, len_value_type, ref property, len);
rpdata.object_property = (BACNET_PROPERTY_ID)property;
/* Tag 2: Optional Array Index 没有 */
rpdata.array_index = BacnetConst.BACNET_ARRAY_ALL;
if (BasicalProcessor.Decode_Is_Opening_Tag_Number(ref apdu, 3, pos + len))
{
len++;
}
rpdata.application_data_pos = len;
rpdata.application_data_len = (int)apdu_len - len - 1;
return(len);
}
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 Decode_Service_Request(ref Byte[] request, uint request_len, ref BACnet_Read_Property_Data rpdata)
{
int len = 0;
Byte tag_number = 0;
UInt32 len_value_type = 0;
UInt16 type = 0; /* for decoding */
UInt32 property = 0; /* for decoding */
UInt32 array_value = 0; /* for decoding */
//此处有对于错误请求的判断 decode_is_context_tag(&apdu[len++], 0)
len++;
len += BasicalProcessor.Decode_Object_Id(ref request, ref type, ref rpdata.object_instance, len);
rpdata.object_type = (BACNET_OBJECT_TYPE)type;
len += BasicalProcessor.Decode_Tag_number_and_Value(ref request, ref tag_number, ref len_value_type, len);
//if (tag_number != 1)...
len += BasicalProcessor.Decode_Enumerated(ref request, len_value_type, ref property, len);
rpdata.object_property = (BACNET_PROPERTY_ID)property;
// /* Tag 2: Optional Array Index */if (len < apdu_len)
rpdata.application_data_len = (int)request_len - len - 1;
return(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);
}