// public static 메서드
#region 패킷 샘플
// 0C 00 10 00 09 1E 29 55 4E 44 40 0E 14 7B 4F 1F
// 0C 00 12 00 05 1E 29 55 4E 44 41 11 99 9A 4F 1F
// 0C 00 12 00 06 1E 29 55 4E 44 42 20 00 00 4F 1F
// 0C 00 12 00 07 1E 29 55 4E 44 44 83 E0 00 4F 1F
// 0C 00 12 00 08 1E 29 55 4E 44 3F 78 51 EC 4F 1F
// 0C 00 12 00 09 1E 29 55 4E 44 3F 4F 5C 29 4F 1F
// 0C 01 08 00 02 1E 29 55 4E 91 00 4F 1F
// 0C 01 0A 00 02 1E 29 55 4E 91 00 4F 1F
// 0C 01 0C 00 02 1E 29 55 4E 91 00 4F 1F
#endregion
#region 패킷 샘플(priority-array. priority 8에 Real 100.0)
// 0C 00 40 00 01
// 1E 29 57
// 4E
// 00 00 00 00
// 00 00 00 44 42 C8 00 00
// 00 00 00 00
// 00 00 00 00
// 4F
// 1F
#endregion
// 수정 2015-02-06 // 기존 PRESENT_VALUE 외에 priority-array 처리 기능 추가
public static BACnetReadAccessResult GetResult(byte[] packet, int startIndex, out int index)
{
BACnetReadAccessResult rtn = new BACnetReadAccessResult();
int idx = startIndex;
byte nowTag;
byte[] nowData;
nowTag = ReadTag(packet, ref idx);
if (nowTag != 0x0c)
{
throw new BACnetPacketException("SD Context Tag 0 (Object Identifer, L=4) Tag값이 0x0C 가 아닌 0x" + nowTag.ToString("X2") + " 입니다.");
}
nowData = ReadValue(packet, ref idx, 4);
rtn.m_ObjectIdentifier = Convert.ToUInt32((nowData[0] * 0x01000000) + (nowData[1] * 0x00010000) + (nowData[2] * 0x00000100) + (nowData[3] * 0x00000001));
nowTag = ReadTag(packet, ref idx);
if (nowTag != 0x1e)
{
throw new BACnetPacketException("PD Opening Tag 1 (List Of Result) Tag 값이 0x1E 가 아닌 0x" + nowTag.ToString("X2") + " 입니다.");
}
nowTag = ReadTag(packet, ref idx);
if (nowTag != 0x29)
{
throw new BACnetPacketException("SD Context Tag 2 (Property Identifier, L=1) Tag 값이 0x29 가 아닌 0x" + nowTag.ToString("X2") + " 입니다.");
}
nowData = ReadValue(packet, ref idx, 1);
rtn.m_PropertyID = nowData[0];
if (rtn.m_PropertyID == 0x55)
{
// 0x55 = 85 = PRESENT_VALUE
}
else if (rtn.m_PropertyID == 0x57)
{
// 0x57 = 87 = priority-array
}
else
{
throw new BACnetPacketException("PropertyID 값이 0x55 (PRESENT_VALUE), 0x57 (priority-array)가 아닌 0x" + rtn.m_PropertyID.ToString("X2") + " 입니다.");
}
nowTag = ReadTag(packet, ref idx);
if (nowTag == 0x4e)
{
// Property Array Index (Optional) 는 없는 것으로 가정
rtn.m_HasError = false;
List <double?> listValues = new List <double?>(16);
int cntValues = 1;
if (rtn.m_PropertyID == 0x55)
{
// 0x55 = 85 = PRESENT_VALUE
cntValues = 1;
}
else if (rtn.m_PropertyID == 0x57)
{
// 0x57 = 87 = priority-array
cntValues = 16;
}
for (int idxValues = 0; idxValues < cntValues; idxValues++)
{
nowTag = ReadTag(packet, ref idx);
if (nowTag == 0x00)
{
// NULL
listValues.Add(null);
}
else if (nowTag == 0x91)
{
//(Enumerated, L=1)
nowData = ReadValue(packet, ref idx, 1);
listValues.Add((double)nowData[0]);
}
else if (nowTag == 0x44)
{
//(Real, L=4)
nowData = ReadValue(packet, ref idx, 4);
byte[] tempData = new byte[] { nowData[3], nowData[2], nowData[1], nowData[0] };
listValues.Add(Convert.ToDouble(BitConverter.ToSingle(tempData, 0)));
}
else if (nowTag == 0x21)
{
//(unsigned int, L=1)
nowData = ReadValue(packet, ref idx, 1);
listValues.Add(Convert.ToInt32(nowData[0]));
}
else if (nowTag == 0x22)
{
//(unsigned int, L=2)
nowData = ReadValue(packet, ref idx, 2);
byte[] tempData = new byte[] { nowData[1], nowData[0] };
listValues.Add(Convert.ToInt32(BitConverter.ToUInt16(tempData, 0)));
}
else
{
throw new BACnetPacketException("Application Tag 값이 0x91 (Enumerated, L=1), 0x44 (Real, L=4), 0x21 (unsigned int, L=1), 0x22 (unsigned int, L=2)가 아닌 0x" + nowTag.ToString("X2") + " 입니다.");
}
}
if (rtn.m_PropertyID == 0x55)
{
// 0x55 = 85 = PRESENT_VALUE
rtn.m_Value = (double)listValues[0];
}
else if (rtn.m_PropertyID == 0x57)
{
// 0x57 = 87 = priority-array
for (int idxValues = 0; idxValues < Math.Min(listValues.Count, rtn.m_Values.Length); idxValues++)
{
rtn.m_Values[idxValues] = listValues[idxValues];
}
}
nowTag = ReadTag(packet, ref idx);
if (nowTag == 0x4f)
{
// PD Closing Tag 4 (Property Value)
}
else
{
throw new BACnetPacketException("PD Closing Tag 4 (Property Value) Tag 값이 0x4F 가 아닌 0x" + nowTag.ToString("X2") + " 입니다.");
}
}
else if (nowTag == 0x5e)
{
rtn.m_HasError = true;
nowTag = ReadTag(packet, ref idx);
if (nowTag == 0x91)
{
nowData = ReadValue(packet, ref idx, 1);
rtn.m_ErrorClass = nowData[0];
}
else
{
throw new BACnetPacketException("Error Class 의 Application Tag 값이 0x91 (Enumerated, L=1)이 아닌 0x" + nowTag.ToString("X2") + " 입니다.");
}
nowTag = ReadTag(packet, ref idx);
if (nowTag == 0x91)
{
nowData = ReadValue(packet, ref idx, 1);
rtn.m_ErrorCode = nowData[0];
}
else
{
throw new BACnetPacketException("Error Code 의 Application Tag 값이 0x91 (Enumerated, L=1)이 아닌 0x" + nowTag.ToString("X2") + " 입니다.");
}
nowTag = ReadTag(packet, ref idx);
if (nowTag == 0x5f)
{
// PD Closing Tag 5 (Property Access Error)
}
else
{
throw new BACnetPacketException("PD Closing Tag 5 (Property Access Error) Tag 값이 0x5F 가 아닌 0x" + nowTag.ToString("X2") + " 입니다.");
}
}
else
{
throw new BACnetPacketException("PD Opening Tag 값이 0x4E (Property Value), 0x5E (Property Access Error)가 아닌 0x" + nowTag.ToString("X2") + " 입니다.");
}
nowTag = ReadTag(packet, ref idx);
if (nowTag == 0x1f)
{
}
else
{
throw new BACnetPacketException("PD Closing Tag 1 (List Of Result) Tag 값이 0x1F 가 아닌 0x" + nowTag.ToString("X2") + " 입니다.");
}
index = idx;
return(rtn);
}
// public static 메서드
public static BACnetReceive ReadPacket(byte[] packet, int startIdx, out int nextIdx)
{
BACnetReceive rtn = new BACnetReceive();
int idx = startIdx;
rtn.m_BVLCI = new BACnetVirtualLinkControlInformation(packet, idx, out idx);
if (rtn.m_BVLCI.Type != 0x81)
{
rtn.m_IsPacketError = true;
throw new BACnetPacketException("BVLCI Type 값이 0x81 이 아닙니다");
}
rtn.m_HasBVLCI = true;
nextIdx = startIdx + rtn.m_BVLCI.Length;
if (rtn.m_BVLCI.Function != BACnetFunction.OriginalUnicastNPDU)
{
// Unicast 아님
rtn.m_IsUnicastNPDU = false;
return(rtn);
}
else
{
rtn.m_IsUnicastNPDU = true;
}
rtn.m_NPCI = new NetworkProtocolControlInformation(packet, idx, out idx);
rtn.m_HasNPCI = true;
if ((rtn.m_NPCI.Control & 0x80) > 0)
{
// Network Layer Message
rtn.m_IsNetworkLayerMessage = true;
return(rtn);
}
try
{
rtn.m_PDUType = (BACnetPDUType)(packet[idx] & 0xf0);
}
catch (IndexOutOfRangeException)
{
throw new BACnetPacketException("PDUType 을 읽는 중 패킷의 배열 범위를 벗어났습니다.");
}
switch (rtn.m_PDUType)
{
default:
case BACnetPDUType.BACnetComfirmedRequestPDU:
case BACnetPDUType.BACnetUnconfirmedRequestPDU:
case BACnetPDUType.SegmentACK:
case BACnetPDUType.AbortPDU:
rtn.m_IsInterestingAPDU = false;
return(rtn);
case BACnetPDUType.BACnetSimpleACKPDU:
{
BACnetSimpleACK simpleACK = new BACnetSimpleACK(packet, idx, out idx);
rtn.m_APDU = simpleACK;
rtn.m_IsInterestingAPDU = true;
rtn.m_HasServiceChoice = true;
rtn.m_ServiceChoice = (BACnetService)simpleACK.ServiceChoice;
}
break;
case BACnetPDUType.BACnetComplexACKPDU:
{
BACnetComplexACK complexACK = new BACnetComplexACK(packet, idx, out idx);
rtn.m_APDU = complexACK;
rtn.m_IsInterestingAPDU = true;
rtn.m_HasServiceChoice = true;
rtn.m_ServiceChoice = (BACnetService)complexACK.ServiceChoice;
}
break;
case BACnetPDUType.ErrorPDU:
{
BACnetErrorPDU errorPDU = new BACnetErrorPDU(packet, idx, out idx);
rtn.m_APDU = errorPDU;
rtn.m_IsInterestingAPDU = true;
rtn.m_HasServiceChoice = true;
rtn.m_ServiceChoice = (BACnetService)errorPDU.ServiceChoice;
}
break;
case BACnetPDUType.RejectPDU:
{
BACnetRejectPDU rejectPDU = new BACnetRejectPDU(packet, idx, out idx);
rtn.m_APDU = rejectPDU;
rtn.m_IsInterestingAPDU = true;
rtn.m_HasServiceChoice = false;
}
break;
}
if (rtn.m_PDUType == BACnetPDUType.BACnetComplexACKPDU)
{
if ((rtn.m_APDU.PDUType & 0x08) > 0)
{
// Has Segment
// 현재, 분할 응답에 대한 처리는 되어있지 않음
rtn.m_HasSegment = true;
}
rtn.m_Results = new List <BACnetReadAccessResult>(20);
rtn.m_HasReadAccessResult = true;
try
{
while (idx < nextIdx)
{
BACnetReadAccessResult nowResult = BACnetReadAccessResult.GetResult(packet, idx, out idx);
rtn.m_Results.Add(nowResult);
}
}
catch
{
rtn.m_IsPacketError = true;
throw;
}
}
if (idx != nextIdx)
{
throw new BACnetPacketException("패킷 내용의 길이가 BVLCI 의 Length 와 일치하지 않습니다.");
}
return(rtn);
}
public bool CheckReceiceData(byte invokeId, IList <BACnetReadAccessResult> listResult, IPEndPoint remoteEP, bool hasSNet, ushort snet, byte[] sadr)
{
if (m_InvokeId != invokeId)
{
return(false);
}
if (IPEndPoint.Equals(m_RemoteEP, remoteEP) != true)
{
return(false);
}
if (m_Device.HasNET != hasSNet)
{
return(false);
}
if (m_Device.HasNET == true)
{
if (sadr == null)
{
sadr = new byte[0];
}
if (m_Device.NET != snet)
{
return(false);
}
if (m_Device.ADR.Length != sadr.Length)
{
return(false);
}
for (int idx = 0; idx < sadr.Length; idx++)
{
if (m_Device.ADR[idx] != sadr[idx])
{
return(false);
}
}
}
if (listResult == null)
{
listResult = new BACnetReadAccessResult[0];
}
if (m_Items.Count != listResult.Count)
{
return(false);
}
for (int idx = 0; idx < listResult.Count; idx++)
{
if (m_Items[idx].ObjectIdentifier != listResult[idx].ObjectIdentifier)
{
return(false);
}
}
return(true);
}