private static void UpdateInterval(GXDLMSInterval interval, byte[] value)
{
GXByteBuffer bb = new GXByteBuffer(value);
byte b = bb.GetUInt8();
interval.StartHour = (byte)(b & 0x1F);
interval.IntervalTariff = (DefaultTariffBand)((b >> 5) & 0x3);
interval.UseInterval = (b >> 7) != 0;
interval.WeeklyActivation = (WeeklyActivation)bb.GetUInt16();
UInt16 v = bb.GetUInt16();
interval.SpecialDayMonth = (byte)(v & 0xF);
interval.SpecialDay = (byte)((v >> 8) & 0xF);
interval.SpecialDayEnabled = (v >> 15) != 0;
}
/// <summary>
/// Get values from byte buffer.
/// </summary>
/// <param name="value"></param>
private void FromByteBuffer(GXByteBuffer value)
{
for (int pos = value.Size - 4; pos > -1; pos = pos - 4)
{
Add(value.GetUInt32(pos));
}
switch (value.Size % 4)
{
case 1:
Add(value.GetUInt8());
break;
case 2:
Add(value.GetUInt16());
break;
case 3:
// Data.Add(value.GetUInt24());
break;
default:
break;
}
changed = true;
}
void IGXDLMSBase.SetValue(GXDLMSSettings settings, ValueEventArgs e)
{
if (e.Index == 1)
{
LogicalName = GXCommon.ToLogicalName(e.Value);
}
else if (e.Index == 2)
{
ObjectList.Clear();
if (e.Value != null)
{
foreach (Object[] item in (Object[])e.Value)
{
GXDLMSObject obj = GetObject(settings, item);
//Unknown objects are not shown.
if (obj is IGXDLMSBase)
{
ObjectList.Add(obj);
}
}
}
}
else if (e.Index == 3)
{
if (e.Value != null)
{
ClientSAP = Convert.ToByte(((Object[])e.Value)[0]);
ServerSAP = Convert.ToUInt16(((Object[])e.Value)[1]);
}
}
else if (e.Index == 4)
{
//Value of the object identifier encoded in BER
if (e.Value is byte[])
{
GXByteBuffer arr = new GXByteBuffer(e.Value as byte[]);
if (arr.GetUInt8(0) == 0x60)
{
ApplicationContextName.JointIsoCtt = arr.GetUInt8();
ApplicationContextName.Country = arr.GetUInt8();
ApplicationContextName.CountryName = arr.GetUInt8();
ApplicationContextName.IdentifiedOrganization = arr.GetUInt8();
ApplicationContextName.DlmsUA = arr.GetUInt8();
ApplicationContextName.ApplicationContext = arr.GetUInt8();
ApplicationContextName.ContextId = (ApplicationContextName)arr.GetUInt8();
}
else
{
//Get Tag and Len.
if (arr.GetUInt8() != (int)BerType.Integer && arr.GetUInt8() != 7)
{
throw new ArgumentOutOfRangeException();
}
//Get tag
if (arr.GetUInt8() != 0x11)
{
throw new ArgumentOutOfRangeException();
}
ApplicationContextName.JointIsoCtt = arr.GetUInt8();
//Get tag
if (arr.GetUInt8() != 0x11)
{
throw new ArgumentOutOfRangeException();
}
ApplicationContextName.Country = arr.GetUInt8();
//Get tag
if (arr.GetUInt8() != 0x12)
{
throw new ArgumentOutOfRangeException();
}
ApplicationContextName.CountryName = arr.GetUInt16();
//Get tag
if (arr.GetUInt8() != 0x11)
{
throw new ArgumentOutOfRangeException();
}
ApplicationContextName.IdentifiedOrganization = arr.GetUInt8();
//Get tag
if (arr.GetUInt8() != 0x11)
{
throw new ArgumentOutOfRangeException();
}
ApplicationContextName.DlmsUA = arr.GetUInt8();
//Get tag
if (arr.GetUInt8() != 0x11)
{
throw new ArgumentOutOfRangeException();
}
ApplicationContextName.ApplicationContext = arr.GetUInt8();
//Get tag
if (arr.GetUInt8() != 0x11)
{
throw new ArgumentOutOfRangeException();
}
ApplicationContextName.ContextId = (ApplicationContextName)arr.GetUInt8();
}
}
else if (e.Value != null)
{
Object[] arr = (Object[])e.Value;
ApplicationContextName.JointIsoCtt = Convert.ToByte(arr[0]);
ApplicationContextName.Country = Convert.ToByte(arr[1]);
ApplicationContextName.CountryName = Convert.ToUInt16(arr[2]);
ApplicationContextName.IdentifiedOrganization = Convert.ToByte(arr[3]);
ApplicationContextName.DlmsUA = Convert.ToByte(arr[4]);
ApplicationContextName.ApplicationContext = Convert.ToByte(arr[5]);
ApplicationContextName.ContextId = (ApplicationContextName)Convert.ToByte(arr[6]);
}
}
else if (e.Index == 5)
{
if (e.Value != null)
{
Object[] arr = (Object[])e.Value;
if (arr[0] is string || arr[0] is byte[])
{
GXByteBuffer bb = new GXByteBuffer();
GXCommon.SetBitString(bb, arr[0], true);
bb.SetUInt8(0, 0);
XDLMSContextInfo.Conformance = (Conformance)bb.GetUInt32();
}
else
{
XDLMSContextInfo.Conformance = (Conformance)Convert.ToUInt16(arr[0]);
}
XDLMSContextInfo.MaxReceivePduSize = Convert.ToUInt16(arr[1]);
XDLMSContextInfo.MaxSendPduSize = Convert.ToUInt16(arr[2]);
XDLMSContextInfo.DlmsVersionNumber = Convert.ToByte(arr[3]);
XDLMSContextInfo.QualityOfService = Convert.ToSByte(arr[4]);
XDLMSContextInfo.CypheringInfo = (byte[])arr[5];
}
}
else if (e.Index == 6)
{
//Value of the object identifier encoded in BER
if (e.Value is byte[])
{
GXByteBuffer arr = new GXByteBuffer(e.Value as byte[]);
if (arr.GetUInt8(0) == 0x60)
{
AuthenticationMechanismName.JointIsoCtt = arr.GetUInt8();
AuthenticationMechanismName.Country = arr.GetUInt8();
AuthenticationMechanismName.CountryName = arr.GetUInt8();
AuthenticationMechanismName.IdentifiedOrganization = arr.GetUInt8();
AuthenticationMechanismName.DlmsUA = arr.GetUInt8();
AuthenticationMechanismName.AuthenticationMechanismName = arr.GetUInt8();
AuthenticationMechanismName.MechanismId = (Authentication)arr.GetUInt8();
}
else
{
//Get Tag and Len.
if (arr.GetUInt8() != (int)BerType.Integer && arr.GetUInt8() != 7)
{
throw new ArgumentOutOfRangeException();
}
//Get tag
if (arr.GetUInt8() != 0x11)
{
throw new ArgumentOutOfRangeException();
}
AuthenticationMechanismName.JointIsoCtt = arr.GetUInt8();
//Get tag
if (arr.GetUInt8() != 0x11)
{
throw new ArgumentOutOfRangeException();
}
AuthenticationMechanismName.Country = arr.GetUInt8();
//Get tag
if (arr.GetUInt8() != 0x12)
{
throw new ArgumentOutOfRangeException();
}
AuthenticationMechanismName.CountryName = arr.GetUInt16();
//Get tag
if (arr.GetUInt8() != 0x11)
{
throw new ArgumentOutOfRangeException();
}
AuthenticationMechanismName.IdentifiedOrganization = arr.GetUInt8();
//Get tag
if (arr.GetUInt8() != 0x11)
{
throw new ArgumentOutOfRangeException();
}
AuthenticationMechanismName.DlmsUA = arr.GetUInt8();
//Get tag
if (arr.GetUInt8() != 0x11)
{
throw new ArgumentOutOfRangeException();
}
AuthenticationMechanismName.AuthenticationMechanismName = arr.GetUInt8();
//Get tag
if (arr.GetUInt8() != 0x11)
{
throw new ArgumentOutOfRangeException();
}
AuthenticationMechanismName.MechanismId = (Authentication)arr.GetUInt8();
}
}
else if (e.Value != null)
{
Object[] arr = (Object[])e.Value;
AuthenticationMechanismName.JointIsoCtt = Convert.ToByte(arr[0]);
AuthenticationMechanismName.Country = Convert.ToByte(arr[1]);
AuthenticationMechanismName.CountryName = Convert.ToUInt16(arr[2]);
AuthenticationMechanismName.IdentifiedOrganization = Convert.ToByte(arr[3]);
AuthenticationMechanismName.DlmsUA = Convert.ToByte(arr[4]);
AuthenticationMechanismName.AuthenticationMechanismName = Convert.ToByte(arr[5]);
AuthenticationMechanismName.MechanismId = (Authentication)Convert.ToByte(arr[6]);
}
}
else if (e.Index == 7)
{
Secret = (byte[])e.Value;
}
else if (e.Index == 8)
{
if (e.Value == null)
{
AssociationStatus = AssociationStatus.NonAssociated;
}
else
{
AssociationStatus = (AssociationStatus)Convert.ToInt32(e.Value);
}
}
else if (e.Index == 9)
{
SecuritySetupReference = GXCommon.ToLogicalName(e.Value);
}
else if (e.Index == 10)
{
UserList.Clear();
if (e.Value != null)
{
foreach (Object[] item in (Object[])e.Value)
{
UserList.Add(new KeyValuePair <byte, string>(Convert.ToByte(item[0]), Convert.ToString(item[1])));
}
}
}
else if (e.Index == 11)
{
if (e.Value != null)
{
Object[] tmp = (Object[])e.Value;
if (tmp.Length == 1)
{
CurrentUser = new KeyValuePair <byte, string>(Convert.ToByte(tmp[0]), null);
}
else
{
CurrentUser = new KeyValuePair <byte, string>(Convert.ToByte(tmp[0]), Convert.ToString(tmp[1]));
}
}
else
{
CurrentUser = new KeyValuePair <byte, string>(0, null);
}
}
else
{
e.Error = ErrorCode.ReadWriteDenied;
}
}
/// <summary>
/// Parse User Information from PDU.
/// </summary>
private static void ParseUserInformation(GXDLMSSettings settings, GXICipher cipher, GXByteBuffer data)
{
byte len = data.GetUInt8();
if (data.Size - data.Position < len)
{
throw new Exception("Not enough data.");
}
//Excoding the choice for user information
int tag = data.GetUInt8();
if (tag != 0x4)
{
throw new Exception("Invalid tag.");
}
len = data.GetUInt8();
//Tag for xDLMS-Initate.response
tag = data.GetUInt8();
if (tag == GXCommon.InitialResponceGlo)
{
--data.Position;
cipher.Security = cipher.Decrypt(settings.SourceSystemTitle, data);
tag = data.GetUInt8();
}
else if (tag == GXCommon.InitialRequestGlo)
{
--data.Position;
cipher.Security = cipher.Decrypt(settings.SourceSystemTitle, data);
tag = data.GetUInt8();
}
bool response = tag == GXCommon.InitialResponce;
if (response)
{
//Optional usage field of the negotiated quality of service component
tag = data.GetUInt8();
if (tag != 0)//Skip if used.
{
len = data.GetUInt8();
data.Position += len;
}
}
else if (tag == GXCommon.InitialRequest)
{
//Optional usage field of the negotiated quality of service component
tag = data.GetUInt8();
//CtoS.
if (tag != 0)
{
len = data.GetUInt8();
settings.CtoSChallenge = new byte[len];
data.Get(settings.CtoSChallenge);
}
//Optional usage field of the negotiated quality of service component
tag = data.GetUInt8();
if (tag != 0)//Skip if used.
{
len = data.GetUInt8();
data.Position += len;
}
//Optional usage field of the proposed quality of service component
tag = data.GetUInt8();
if (tag != 0)//Skip if used.
{
len = data.GetUInt8();
data.Position += len;
}
}
else
{
throw new Exception("Invalid tag.");
}
//Get DLMS version number.
if (settings.IsServer)
{
settings.DlmsVersionNumber = data.GetUInt8();
}
else
{
if (data.GetUInt8() != 6)
{
throw new Exception("Invalid DLMS version number.");
}
}
//Tag for conformance block
tag = data.GetUInt8();
if (tag != 0x5F)
{
throw new Exception("Invalid tag.");
}
//Old Way...
if (data.GetUInt8(data.Position) == 0x1F)
{
data.GetUInt8();
}
len = data.GetUInt8();
//The number of unused bits in the bit string.
tag = data.GetUInt8();
if (settings.UseLogicalNameReferencing)
{
if (settings.IsServer)
{
//Skip settings what client asks.
//All server settings are always returned.
byte[] tmp = new byte[3];
data.Get(tmp);
}
else
{
data.Get(settings.LnSettings.ConformanceBlock);
}
}
else
{
if (settings.IsServer)
{
//Skip settings what client asks.
//All server settings are always returned.
byte[] tmp = new byte[3];
data.Get(tmp);
}
else
{
data.Get(settings.SnSettings.ConformanceBlock);
}
}
if (settings.IsServer)
{
data.GetUInt16();
}
else
{
settings.MaxReceivePDUSize = data.GetUInt16();
}
if (response)
{
//VAA Name
tag = data.GetUInt16();
if (tag == 0x0007)
{
// If LN
if (!settings.UseLogicalNameReferencing)
{
throw new ArgumentException("Invalid VAA.");
}
}
else if (tag == 0xFA00)
{
// If SN
if (settings.UseLogicalNameReferencing)
{
throw new ArgumentException("Invalid VAA.");
}
}
else
{
// Unknown VAA.
throw new ArgumentException("Invalid VAA.");
}
}
}
void IGXDLMSBase.SetValue(GXDLMSSettings settings, ValueEventArgs e)
{
if (e.Index == 1)
{
LogicalName = GXCommon.ToLogicalName(e.Value);
}
else if (e.Index == 2)
{
ObjectList.Clear();
if (e.Value != null)
{
foreach (Object[] item in (Object[])e.Value)
{
ObjectType type = (ObjectType)Convert.ToInt32(item[0]);
int version = Convert.ToInt32(item[1]);
String ln = GXCommon.ToLogicalName((byte[])item[2]);
GXDLMSObject obj = null;
if (settings.Objects != null)
{
obj = settings.Objects.FindByLN(type, ln);
}
if (obj == null)
{
obj = Gurux.DLMS.GXDLMSClient.CreateObject(type);
obj.LogicalName = ln;
obj.Version = version;
}
//Unknown objects are not shown.
if (obj is IGXDLMSBase && item[3] != null)
{
UpdateAccessRights(obj, (Object[])item[3]);
ObjectList.Add(obj);
}
}
}
}
else if (e.Index == 3)
{
if (e.Value != null)
{
ClientSAP = Convert.ToByte(((Object[])e.Value)[0]);
ServerSAP = Convert.ToUInt16(((Object[])e.Value)[1]);
}
}
else if (e.Index == 4)
{
//Value of the object identifier encoded in BER
if (e.Value is byte[])
{
GXByteBuffer arr = new GXByteBuffer(e.Value as byte[]);
if (arr.GetUInt8(0) == 0x60)
{
ApplicationContextName.JointIsoCtt = 0;
++arr.Position;
ApplicationContextName.Country = 0;
++arr.Position;
ApplicationContextName.CountryName = 0;
++arr.Position;
ApplicationContextName.IdentifiedOrganization = arr.GetUInt8();
ApplicationContextName.DlmsUA = arr.GetUInt8();
ApplicationContextName.ApplicationContext = arr.GetUInt8();
ApplicationContextName.ContextId = arr.GetUInt8();
}
else
{
//Get Tag and Len.
if (arr.GetUInt8() != (int)BerType.Integer && arr.GetUInt8() != 7)
{
throw new ArgumentOutOfRangeException();
}
//Get tag
if (arr.GetUInt8() != 0x11)
{
throw new ArgumentOutOfRangeException();
}
ApplicationContextName.JointIsoCtt = arr.GetUInt8();
//Get tag
if (arr.GetUInt8() != 0x11)
{
throw new ArgumentOutOfRangeException();
}
ApplicationContextName.Country = arr.GetUInt8();
//Get tag
if (arr.GetUInt8() != 0x12)
{
throw new ArgumentOutOfRangeException();
}
ApplicationContextName.CountryName = arr.GetUInt16();
//Get tag
if (arr.GetUInt8() != 0x11)
{
throw new ArgumentOutOfRangeException();
}
ApplicationContextName.IdentifiedOrganization = arr.GetUInt8();
//Get tag
if (arr.GetUInt8() != 0x11)
{
throw new ArgumentOutOfRangeException();
}
ApplicationContextName.DlmsUA = arr.GetUInt8();
//Get tag
if (arr.GetUInt8() != 0x11)
{
throw new ArgumentOutOfRangeException();
}
ApplicationContextName.ApplicationContext = arr.GetUInt8();
//Get tag
if (arr.GetUInt8() != 0x11)
{
throw new ArgumentOutOfRangeException();
}
ApplicationContextName.ContextId = arr.GetUInt8();
}
}
else if (e.Value != null)
{
Object[] arr = (Object[])e.Value;
ApplicationContextName.JointIsoCtt = Convert.ToByte(arr[0]);
ApplicationContextName.Country = Convert.ToByte(arr[1]);
ApplicationContextName.CountryName = Convert.ToUInt16(arr[2]);
ApplicationContextName.IdentifiedOrganization = Convert.ToByte(arr[3]);
ApplicationContextName.DlmsUA = Convert.ToByte(arr[4]);
ApplicationContextName.ApplicationContext = Convert.ToByte(arr[5]);
ApplicationContextName.ContextId = Convert.ToByte(arr[6]);
}
}
else if (e.Index == 5)
{
if (e.Value != null)
{
Object[] arr = (Object[])e.Value;
GXByteBuffer bb = new GXByteBuffer();
GXCommon.SetBitString(bb, arr[0]);
bb.SetUInt8(0, 0);
XDLMSContextInfo.Conformance = (Conformance)bb.GetUInt32();
XDLMSContextInfo.MaxReceivePduSize = Convert.ToUInt16(arr[1]);
XDLMSContextInfo.MaxSendPduSize = Convert.ToUInt16(arr[2]);
XDLMSContextInfo.DlmsVersionNumber = Convert.ToByte(arr[3]);
XDLMSContextInfo.QualityOfService = Convert.ToSByte(arr[4]);
XDLMSContextInfo.CypheringInfo = (byte[])arr[5];
}
}
else if (e.Index == 6)
{
//Value of the object identifier encoded in BER
if (e.Value is byte[])
{
GXByteBuffer arr = new GXByteBuffer(e.Value as byte[]);
if (arr.GetUInt8(0) == 0x60)
{
AuthenticationMechanismName.JointIsoCtt = 0;
++arr.Position;
AuthenticationMechanismName.Country = 0;
++arr.Position;
AuthenticationMechanismName.CountryName = 0;
++arr.Position;
AuthenticationMechanismName.IdentifiedOrganization = arr.GetUInt8();
AuthenticationMechanismName.DlmsUA = arr.GetUInt8();
AuthenticationMechanismName.AuthenticationMechanismName = arr.GetUInt8();
AuthenticationMechanismName.MechanismId = (Authentication)arr.GetUInt8();
}
else
{
//Get Tag and Len.
if (arr.GetUInt8() != (int)BerType.Integer && arr.GetUInt8() != 7)
{
throw new ArgumentOutOfRangeException();
}
//Get tag
if (arr.GetUInt8() != 0x11)
{
throw new ArgumentOutOfRangeException();
}
AuthenticationMechanismName.JointIsoCtt = arr.GetUInt8();
//Get tag
if (arr.GetUInt8() != 0x11)
{
throw new ArgumentOutOfRangeException();
}
AuthenticationMechanismName.Country = arr.GetUInt8();
//Get tag
if (arr.GetUInt8() != 0x12)
{
throw new ArgumentOutOfRangeException();
}
AuthenticationMechanismName.CountryName = arr.GetUInt16();
//Get tag
if (arr.GetUInt8() != 0x11)
{
throw new ArgumentOutOfRangeException();
}
AuthenticationMechanismName.IdentifiedOrganization = arr.GetUInt8();
//Get tag
if (arr.GetUInt8() != 0x11)
{
throw new ArgumentOutOfRangeException();
}
AuthenticationMechanismName.DlmsUA = arr.GetUInt8();
//Get tag
if (arr.GetUInt8() != 0x11)
{
throw new ArgumentOutOfRangeException();
}
AuthenticationMechanismName.AuthenticationMechanismName = arr.GetUInt8();
//Get tag
if (arr.GetUInt8() != 0x11)
{
throw new ArgumentOutOfRangeException();
}
AuthenticationMechanismName.MechanismId = (Authentication)arr.GetUInt8();
}
}
else if (e.Value != null)
{
Object[] arr = (Object[])e.Value;
AuthenticationMechanismName.JointIsoCtt = Convert.ToByte(arr[0]);
AuthenticationMechanismName.Country = Convert.ToByte(arr[1]);
AuthenticationMechanismName.CountryName = Convert.ToUInt16(arr[2]);
AuthenticationMechanismName.IdentifiedOrganization = Convert.ToByte(arr[3]);
AuthenticationMechanismName.DlmsUA = Convert.ToByte(arr[4]);
AuthenticationMechanismName.AuthenticationMechanismName = Convert.ToByte(arr[5]);
AuthenticationMechanismName.MechanismId = (Authentication)Convert.ToByte(arr[6]);
}
}
else if (e.Index == 7)
{
Secret = (byte[])e.Value;
}
else if (e.Index == 8)
{
if (e.Value == null)
{
AssociationStatus = AssociationStatus.NonAssociated;
}
else
{
AssociationStatus = (AssociationStatus)Convert.ToInt32(e.Value);
}
}
else if (e.Index == 9)
{
SecuritySetupReference = GXCommon.ToLogicalName(e.Value);
}
else
{
e.Error = ErrorCode.ReadWriteDenied;
}
}
///<summary>
///Get date and time from DLMS data.
///</summary>
///<param name="settings">DLMS settings.</param>
///<param name="buff">Received DLMS data.</param>
///<param name="info">Data info.</param>
///<returns>
///Parsed date and time.
///</returns>
private static object GetDateTime(GXDLMSSettings settings, GXByteBuffer buff, GXDataInfo info)
{
// If there is not enough data available.
if (buff.Size - buff.Position < 12)
{
//If time.
if (buff.Size - buff.Position < 5)
{
return GetTime(buff, info);
}
//If date.
else if (buff.Size - buff.Position < 6)
{
return GetDate(buff, info);
}
info.Complete = false;
return null;
}
if (info.xml != null)
{
info.xml.AppendLine(info.xml.GetDataType(info.Type), "Value", GXCommon.ToHex(buff.Data, false, buff.Position, 12));
}
GXDateTime dt = new GXDateTime();
//Get year.
int year = buff.GetUInt16();
if (year == 0xFFFF || year == 0)
{
year = DateTime.Now.Year;
dt.Skip |= DateTimeSkips.Year;
}
//Get month
int month = buff.GetUInt8();
if (month == 0 || month == 0xFF || month == 0xFE || month == 0xFD)
{
month = 1;
dt.Skip |= DateTimeSkips.Month;
}
int day = buff.GetUInt8();
if (day < 1 || day == 0xFF)
{
day = 1;
dt.Skip |= DateTimeSkips.Day;
}
else if (day == 0xFD || day == 0xFE)
{
day = DateTime.DaysInMonth(year, month) + (sbyte)day + 2;
}
//Skip week day
if (buff.GetUInt8() == 0xFF)
{
dt.Skip |= DateTimeSkips.DayOfWeek;
}
//Get time.
int hours = buff.GetUInt8();
if (hours == 0xFF)
{
hours = 0;
dt.Skip |= DateTimeSkips.Hour;
}
int minutes = buff.GetUInt8();
if (minutes == 0xFF)
{
minutes = 0;
dt.Skip |= DateTimeSkips.Minute;
}
int seconds = buff.GetUInt8();
if (seconds == 0xFF)
{
seconds = 0;
dt.Skip |= DateTimeSkips.Second;
}
int milliseconds = buff.GetUInt8();
if (milliseconds != 0xFF)
{
milliseconds *= 10;
}
else
{
milliseconds = 0;
dt.Skip |= DateTimeSkips.Ms;
}
int deviation = buff.GetInt16();
dt.Status = (ClockStatus)buff.GetUInt8();
if (settings != null && settings.UtcTimeZone)
{
deviation = -deviation;
}
dt.Deviation = deviation;
//0x8000 == -32768
//deviation = -1 if skipped.
if (deviation != -1 && deviation != -32768 && year != 1 && (dt.Skip & DateTimeSkips.Year) == 0)
{
dt.Value = new DateTimeOffset(new DateTime(year, month, day, hours, minutes, seconds, milliseconds),
new TimeSpan(0, -deviation, 0));
}
else //Use current time if deviation is not defined.
{
dt.Skip |= DateTimeSkips.Devitation;
DateTime tmp = new DateTime(year, month, day, hours, minutes, seconds, milliseconds, DateTimeKind.Local);
dt.Value = new DateTimeOffset(tmp, TimeZoneInfo.Local.GetUtcOffset(tmp));
}
return dt;
}
///<summary>
///Get UInt16 value from DLMS data.
///</summary>
///<param name="buff">
///Received DLMS data.
///</param>
///<param name="info">
///Data info.
///</param>
///<returns>
///Parsed UInt16 value.
///</returns>
private static object GetUInt16(GXByteBuffer buff, GXDataInfo info)
{
// If there is not enough data available.
if (buff.Size - buff.Position < 2)
{
info.Complete = false;
return null;
}
UInt16 value = buff.GetUInt16();
if (info.xml != null)
{
info.xml.AppendLine(info.xml.GetDataType(info.Type), "Value", info.xml.IntegerToHex(value, 4));
}
return value;
}
///<summary>
///Get date from DLMS data.
///</summary>
///<param name="buff">
///Received DLMS data.
///</param>
///<param name="info">
///Data info.
///</param>
///<returns>
///Parsed date.
///</returns>
private static object GetDate(GXByteBuffer buff, GXDataInfo info)
{
object value;
if (buff.Size - buff.Position < 5)
{
// If there is not enough data available.
info.Complete = false;
return null;
}
if (info.xml != null)
{
info.xml.AppendLine(info.xml.GetDataType(info.Type), "Value", GXCommon.ToHex(buff.Data, false, buff.Position, 5));
}
// Get year.
int year = buff.GetUInt16();
// Get month
int month = buff.GetUInt8();
// Get day
int day = buff.GetUInt8();
GXDate dt = new GXDate(year, month, day);
// Skip week day
if (buff.GetUInt8() == 0xFF)
{
dt.Skip |= DateTimeSkips.DayOfWeek;
}
value = dt;
return value;
}
/// <summary>
/// Get object count. If first byte is 0x80 or higger it will tell bytes count.
/// </summary>
/// <param name="data">Received data.</param>
/// <returns>Object count.</returns>
public static int GetObjectCount(GXByteBuffer data)
{
int cnt = data.GetUInt8();
if (cnt > 0x80)
{
if (cnt == 0x81)
{
return data.GetUInt8();
}
else if (cnt == 0x82)
{
return data.GetUInt16();
}
else if (cnt == 0x84)
{
return (int)data.GetUInt32();
}
else
{
throw new System.ArgumentException("Invalid count.");
}
}
return cnt;
}
/// <summary>
/// Get HDLC address from byte array.
/// </summary>
/// <param name="GXByteBuffer">Byte array.</param>
/// <returns>HDLC address.</returns>
public static int GetHDLCAddress(GXByteBuffer buff)
{
int size = 0;
for (int pos = buff.Position; pos != buff.Size; ++pos)
{
++size;
if ((buff.GetUInt8(pos) & 0x1) == 1)
{
break;
}
}
if (size == 1)
{
return (byte)((buff.GetUInt8() & 0xFE) >> 1);
}
else if (size == 2)
{
size = buff.GetUInt16();
size = ((size & 0xFE) >> 1) | ((size & 0xFE00) >> 2);
return size;
}
else if (size == 4)
{
UInt32 tmp = buff.GetUInt32();
tmp = ((tmp & 0xFE) >> 1) | ((tmp & 0xFE00) >> 2)
| ((tmp & 0xFE0000) >> 3) | ((tmp & 0xFE000000) >> 4);
return (int)tmp;
}
throw new ArgumentException("Wrong size.");
}
void IGXDLMSBase.SetValue(GXDLMSSettings settings, ValueEventArgs e)
{
if (e.Index == 1)
{
if (e.Value is string)
{
LogicalName = e.Value.ToString();
}
else
{
LogicalName = GXDLMSClient.ChangeType((byte[])e.Value, DataType.OctetString).ToString();
}
}
else if (e.Index == 2)
{
ObjectList.Clear();
if (e.Value != null)
{
foreach (Object[] item in (Object[])e.Value)
{
ObjectType type = (ObjectType)Convert.ToInt32(item[0]);
int version = Convert.ToInt32(item[1]);
String ln = GXDLMSObject.ToLogicalName((byte[])item[2]);
GXDLMSObject obj = null;
if (settings.Objects != null)
{
obj = settings.Objects.FindByLN(type, ln);
}
if (obj == null)
{
obj = Gurux.DLMS.GXDLMSClient.CreateObject(type);
obj.LogicalName = ln;
obj.Version = version;
}
//Unknown objects are not shown.
if (obj is IGXDLMSBase && item[3] != null)
{
UpdateAccessRights(obj, (Object[])item[3]);
ObjectList.Add(obj);
}
}
}
}
else if (e.Index == 3)
{
if (e.Value != null)
{
ClientSAP = Convert.ToByte(((Object[])e.Value)[0]);
ServerSAP = Convert.ToUInt16(((Object[])e.Value)[1]);
}
}
else if (e.Index == 4)
{
//Value of the object identifier encoded in BER
if (e.Value is byte[])
{
GXByteBuffer arr = new GXByteBuffer(e.Value as byte[]);
if (arr.GetUInt8(0) == 0x60)
{
ApplicationContextName.JointIsoCtt = 0;
++arr.Position;
ApplicationContextName.Country = 0;
++arr.Position;
ApplicationContextName.CountryName = 0;
++arr.Position;
ApplicationContextName.IdentifiedOrganization = arr.GetUInt8();
ApplicationContextName.DlmsUA = arr.GetUInt8();
ApplicationContextName.ApplicationContext = arr.GetUInt8();
ApplicationContextName.ContextId = arr.GetUInt8();
}
else
{
//Get Tag and Len.
if (arr.GetUInt8() != (int)BerType.Integer && arr.GetUInt8() != 7)
{
throw new ArgumentOutOfRangeException();
}
//Get tag
if (arr.GetUInt8() != 0x11)
{
throw new ArgumentOutOfRangeException();
}
ApplicationContextName.JointIsoCtt = arr.GetUInt8();
//Get tag
if (arr.GetUInt8() != 0x11)
{
throw new ArgumentOutOfRangeException();
}
ApplicationContextName.Country = arr.GetUInt8();
//Get tag
if (arr.GetUInt8() != 0x12)
{
throw new ArgumentOutOfRangeException();
}
ApplicationContextName.CountryName = arr.GetUInt16();
//Get tag
if (arr.GetUInt8() != 0x11)
{
throw new ArgumentOutOfRangeException();
}
ApplicationContextName.IdentifiedOrganization = arr.GetUInt8();
//Get tag
if (arr.GetUInt8() != 0x11)
{
throw new ArgumentOutOfRangeException();
}
ApplicationContextName.DlmsUA = arr.GetUInt8();
//Get tag
if (arr.GetUInt8() != 0x11)
{
throw new ArgumentOutOfRangeException();
}
ApplicationContextName.ApplicationContext = arr.GetUInt8();
//Get tag
if (arr.GetUInt8() != 0x11)
{
throw new ArgumentOutOfRangeException();
}
ApplicationContextName.ContextId = arr.GetUInt8();
}
}
else if (e.Value != null)
{
Object[] arr = (Object[])e.Value;
ApplicationContextName.JointIsoCtt = Convert.ToByte(arr[0]);
ApplicationContextName.Country = Convert.ToByte(arr[1]);
ApplicationContextName.CountryName = Convert.ToUInt16(arr[2]);
ApplicationContextName.IdentifiedOrganization = Convert.ToByte(arr[3]);
ApplicationContextName.DlmsUA = Convert.ToByte(arr[4]);
ApplicationContextName.ApplicationContext = Convert.ToByte(arr[5]);
ApplicationContextName.ContextId = Convert.ToByte(arr[6]);
}
}
else if (e.Index == 5)
{
if (e.Value != null)
{
Object[] arr = (Object[])e.Value;
XDLMSContextInfo.Conformance = arr[0].ToString();
XDLMSContextInfo.MaxReceivePduSize = Convert.ToUInt16(arr[1]);
XDLMSContextInfo.MaxSendPpuSize = Convert.ToUInt16(arr[2]);
XDLMSContextInfo.DlmsVersionNumber = Convert.ToByte(arr[3]);
XDLMSContextInfo.QualityOfService = Convert.ToSByte(arr[4]);
XDLMSContextInfo.CypheringInfo = (byte[])arr[5];
}
}
else if (e.Index == 6)
{
//Value of the object identifier encoded in BER
if (e.Value is byte[])
{
GXByteBuffer arr = new GXByteBuffer(e.Value as byte[]);
if (arr.GetUInt8(0) == 0x60)
{
AuthenticationMechanismMame.JointIsoCtt = 0;
++arr.Position;
AuthenticationMechanismMame.Country = 0;
++arr.Position;
AuthenticationMechanismMame.CountryName = 0;
++arr.Position;
AuthenticationMechanismMame.IdentifiedOrganization = arr.GetUInt8();
AuthenticationMechanismMame.DlmsUA = arr.GetUInt8();
AuthenticationMechanismMame.AuthenticationMechanismName = arr.GetUInt8();
AuthenticationMechanismMame.MechanismId = (Authentication)arr.GetUInt8();
}
else
{
//Get Tag and Len.
if (arr.GetUInt8() != (int)BerType.Integer && arr.GetUInt8() != 7)
{
throw new ArgumentOutOfRangeException();
}
//Get tag
if (arr.GetUInt8() != 0x11)
{
throw new ArgumentOutOfRangeException();
}
AuthenticationMechanismMame.JointIsoCtt = arr.GetUInt8();
//Get tag
if (arr.GetUInt8() != 0x11)
{
throw new ArgumentOutOfRangeException();
}
AuthenticationMechanismMame.Country = arr.GetUInt8();
//Get tag
if (arr.GetUInt8() != 0x12)
{
throw new ArgumentOutOfRangeException();
}
AuthenticationMechanismMame.CountryName = arr.GetUInt16();
//Get tag
if (arr.GetUInt8() != 0x11)
{
throw new ArgumentOutOfRangeException();
}
AuthenticationMechanismMame.IdentifiedOrganization = arr.GetUInt8();
//Get tag
if (arr.GetUInt8() != 0x11)
{
throw new ArgumentOutOfRangeException();
}
AuthenticationMechanismMame.DlmsUA = arr.GetUInt8();
//Get tag
if (arr.GetUInt8() != 0x11)
{
throw new ArgumentOutOfRangeException();
}
AuthenticationMechanismMame.AuthenticationMechanismName = arr.GetUInt8();
//Get tag
if (arr.GetUInt8() != 0x11)
{
throw new ArgumentOutOfRangeException();
}
AuthenticationMechanismMame.MechanismId = (Authentication)arr.GetUInt8();
}
}
else if (e.Value != null)
{
Object[] arr = (Object[])e.Value;
AuthenticationMechanismMame.JointIsoCtt = Convert.ToByte(arr[0]);
AuthenticationMechanismMame.Country = Convert.ToByte(arr[1]);
AuthenticationMechanismMame.CountryName = Convert.ToUInt16(arr[2]);
AuthenticationMechanismMame.IdentifiedOrganization = Convert.ToByte(arr[3]);
AuthenticationMechanismMame.DlmsUA = Convert.ToByte(arr[4]);
AuthenticationMechanismMame.AuthenticationMechanismName = Convert.ToByte(arr[5]);
AuthenticationMechanismMame.MechanismId = (Authentication)Convert.ToByte(arr[6]);
}
}
else if (e.Index == 7)
{
Secret = (byte[])e.Value;
}
else if (e.Index == 8)
{
if (e.Value == null)
{
AssociationStatus = AssociationStatus.NonAssociated;
}
else
{
AssociationStatus = (AssociationStatus)Convert.ToInt32(e.Value);
}
}
else if (e.Index == 9)
{
SecuritySetupReference = GXDLMSClient.ChangeType((byte[])e.Value, DataType.OctetString).ToString();
}
else
{
e.Error = ErrorCode.ReadWriteDenied;
}
}
/// <summary>
/// Parse User Information from PDU.
/// </summary>
public static void ParseUserInformation(GXDLMSSettings settings, GXICipher cipher, GXByteBuffer data, GXDLMSTranslatorStructure xml)
{
byte len = data.GetUInt8();
GXByteBuffer tmp2 = new GXByteBuffer();
tmp2.SetUInt8(0);
if (data.Size - data.Position < len)
{
throw new Exception("Not enough data.");
}
if (xml != null && xml.OutputType == TranslatorOutputType.StandardXml)
{
len = (byte)(data.Size - data.Position);
xml.AppendLine(Command.InitiateRequest, null, GXCommon
.ToHex(data.Data, false, data.Position, len));
data.Position = data.Position + len;
return;
}
//Excoding the choice for user information
int tag = data.GetUInt8();
if (tag != 0x4)
{
throw new Exception("Invalid tag.");
}
len = data.GetUInt8();
//Tag for xDLMS-Initate.response
tag = data.GetUInt8();
if (tag == (byte)Command.GloInitiateResponse)
{
if (xml != null)
{
int cnt = GXCommon.GetObjectCount(data);
byte[] tmp = new byte[cnt];
data.Get(tmp);
//<glo_InitiateResponse>
xml.AppendLine(Command.GloInitiateResponse, "Value", GXCommon.ToHex(tmp, false));
return;
}
--data.Position;
cipher.Security = cipher.Decrypt(settings.SourceSystemTitle, data);
tag = data.GetUInt8();
}
else if (tag == (byte)Command.GloInitiateRequest)
{
if (xml != null)
{
int cnt = GXCommon.GetObjectCount(data);
byte[] tmp = new byte[cnt];
data.Get(tmp);
//<glo_InitiateRequest>
xml.AppendLine(Command.GloInitiateRequest, "Value", GXCommon.ToHex(tmp, false));
return;
}
--data.Position;
cipher.Security = cipher.Decrypt(settings.SourceSystemTitle, data);
tag = data.GetUInt8();
}
bool response = tag == (byte)Command.InitiateResponse;
if (response)
{
if (xml != null)
{
//<InitiateResponse>
xml.AppendStartTag(Command.InitiateResponse);
}
//Optional usage field of the negotiated quality of service component
tag = data.GetUInt8();
len = 0;
if (tag != 0)//Skip if used.
{
len = data.GetUInt8();
data.Position += len;
if (len == 0 && xml != null)
{
//NegotiatedQualityOfService
xml.AppendLine(TranslatorGeneralTags.NegotiatedQualityOfService, "Value", "00");
}
}
}
else if (tag == (byte)Command.InitiateRequest)
{
if (xml != null)
{
//<InitiateRequest>
xml.AppendStartTag(Command.InitiateRequest);
}
//Optional usage field of the negotiated quality of service component
tag = data.GetUInt8();
//CtoS.
if (tag != 0)
{
len = data.GetUInt8();
settings.CtoSChallenge = new byte[len];
data.Get(settings.CtoSChallenge);
}
//Optional usage field of the negotiated quality of service component
tag = data.GetUInt8();
if (tag != 0)//Skip if used.
{
len = data.GetUInt8();
data.Position += len;
}
//Optional usage field of the proposed quality of service component
tag = data.GetUInt8();
if (tag != 0)//Skip if used.
{
len = data.GetUInt8();
data.Position += len;
}
}
else
{
throw new Exception("Invalid tag.");
}
//Get DLMS version number.
if (!response)
{
if (data.GetUInt8() != 6)
{
throw new Exception("Invalid DLMS version number.");
}
//ProposedDlmsVersionNumber
if (xml != null)
{
xml.AppendLine(TranslatorGeneralTags.ProposedDlmsVersionNumber, "Value", xml.IntegerToHex(settings.DLMSVersion, 2));
}
}
else
{
if (data.GetUInt8() != 6)
{
throw new Exception("Invalid DLMS version number.");
}
if (xml != null)
{
xml.AppendLine(TranslatorGeneralTags.NegotiatedDlmsVersionNumber, "Value", xml.IntegerToHex(settings.DLMSVersion, 2));
}
}
//Tag for conformance block
tag = data.GetUInt8();
if (tag != 0x5F)
{
throw new Exception("Invalid tag.");
}
//Old Way...
if (data.GetUInt8(data.Position) == 0x1F)
{
data.GetUInt8();
}
len = data.GetUInt8();
//The number of unused bits in the bit string.
tag = data.GetUInt8();
if (!response)
{
//ProposedConformance
if (xml != null)
{
xml.AppendStartTag(TranslatorGeneralTags.ProposedConformance);
}
data.Get(settings.ConformanceBlock);
tmp2.Set(settings.ConformanceBlock);
}
else
{
//NegotiatedConformance
if (xml != null)
{
xml.AppendStartTag(TranslatorGeneralTags.NegotiatedConformance);
}
if (settings.UseLogicalNameReferencing)
{
data.Get(settings.LnSettings.ConformanceBlock);
tmp2.Set(settings.LnSettings.ConformanceBlock);
}
else
{
data.Get(settings.SnSettings.ConformanceBlock);
tmp2.Set(settings.SnSettings.ConformanceBlock);
}
}
if (xml != null)
{
GetConformance(tmp2.GetUInt32(), xml);
}
if (!response)
{
//Proposed max PDU size.
settings.MaxPduSize = data.GetUInt16();
if (xml != null)
{
//ProposedConformance closing
xml.AppendEndTag(TranslatorGeneralTags.ProposedConformance);
//ProposedMaxPduSize
xml.AppendLine(TranslatorGeneralTags.ProposedMaxPduSize, "Value", xml.IntegerToHex(settings.MaxPduSize, 4));
}
//If client asks too high PDU.
if (settings.MaxPduSize > settings.MaxServerPDUSize)
{
settings.MaxPduSize = settings.MaxServerPDUSize;
}
}
else
{
//Max PDU size.
settings.MaxPduSize = data.GetUInt16();
if (xml != null)
{
//NegotiatedConformance closing
xml.AppendEndTag(TranslatorGeneralTags.NegotiatedConformance);
//NegotiatedMaxPduSize
xml.AppendLine(TranslatorGeneralTags.NegotiatedMaxPduSize, "Value", xml.IntegerToHex(settings.MaxPduSize, 4));
}
}
if (response)
{
//VAA Name
tag = data.GetUInt16();
if (xml != null)
{
xml.AppendLine(TranslatorGeneralTags.VaaName, "Value", xml.IntegerToHex(tag, 4));
}
if (tag == 0x0007)
{
// If LN
if (!settings.UseLogicalNameReferencing)
{
throw new ArgumentException("Invalid VAA.");
}
}
else if (tag == 0xFA00)
{
// If SN
if (settings.UseLogicalNameReferencing)
{
throw new ArgumentException("Invalid VAA.");
}
}
else
{
// Unknown VAA.
throw new ArgumentException("Invalid VAA.");
}
if (xml != null)
{
//<InitiateResponse>
xml.AppendEndTag(Command.InitiateResponse);
}
}
else if (xml != null)
{
//</InitiateRequest>
xml.AppendEndTag(Command.InitiateRequest);
}
}
