/// <summary>
/// Constructor
/// </summary>
/// <param name="useLogicalNameReferencing">Is Logical or short name referencing used.</param>
/// <param name="clientAddress">Client address. Default is 0x10</param>
/// <param name="ServerAddress">Server ID. Default is 1.</param>
/// <param name="interfaceType">Interface type. Default is general.</param>
public GXDLMSNotify(bool useLogicalNameReferencing,
int clientAddress, int serverAddress, InterfaceType interfaceType)
{
Settings = new GXDLMSSettings(true);
Settings.UseLogicalNameReferencing = useLogicalNameReferencing;
Settings.InterfaceType = interfaceType;
Settings.ServerAddress = serverAddress;
Settings.ClientAddress = clientAddress;
}
/// <summary>
/// Generates Invoke ID and priority.
/// </summary>
/// <param name="settings">DLMS settings.</param>
/// <returns>Invoke ID and priority.</returns>
static byte GetInvokeIDPriority(GXDLMSSettings settings)
{
byte value = 0;
if (settings.Priority == Priority.High)
{
value = 0x80;
}
if (settings.ServiceClass == ServiceClass.Confirmed)
{
value |= 0x40;
}
value |= (byte)(settings.InvokeID & 0xF);
return value;
}
public static void HandleGetRequest(GXDLMSSettings settings, GXDLMSServer server, GXByteBuffer data, GXByteBuffer replyData, GXDLMSTranslatorStructure xml)
{
//Return error if connection is not established.
if (xml == null && !settings.Connected)
{
replyData.Set(GXDLMSServer.GenerateConfirmedServiceError(ConfirmedServiceError.InitiateError,
ServiceError.Service, (byte)Service.Unsupported));
return;
}
GetCommandType type = (GetCommandType)data.GetUInt8();
// Get invoke ID and priority.
byte invokeID = data.GetUInt8();
if (xml != null)
{
xml.AppendStartTag(Command.GetRequest);
xml.AppendStartTag(Command.GetRequest, type);
xml.AppendLine(TranslatorTags.InvokeId, "Value", xml.IntegerToHex(invokeID, 2));
}
// GetRequest normal
if (type == GetCommandType.Normal)
{
GetRequestNormal(settings, server, data, replyData, xml);
}
else if (type == GetCommandType.NextDataBlock)
{
// Get request for next data block
GetRequestNextDataBlock(settings, server, data, replyData, xml);
}
else if (type == GetCommandType.WithList)
{
// Get request with a list.
GetRequestWithList(settings, server, data, replyData, xml);
}
else
{
Debug.WriteLine("HandleGetRequest failed. Invalid command type.");
settings.ResetBlockIndex();
GXByteBuffer bb = new GXByteBuffer();
// Access Error : Device reports a hardware fault.
bb.SetUInt8((byte)ErrorCode.HardwareFault);
GXDLMS.GetLNPdu(new GXDLMSLNParameters(settings, Command.GetResponse, (byte)type, null, bb, (byte)ErrorCode.Ok), replyData);
}
if (xml != null)
{
xml.AppendEndTag(Command.GetRequest, type);
xml.AppendEndTag(Command.GetRequest);
}
}
/// <summary>
/// Generates Invoke ID and priority.
/// </summary>
/// <param name="settings">DLMS settings.</param>
/// <returns>Invoke ID and priority.</returns>
static UInt32 GetLongInvokeIDPriority(GXDLMSSettings settings)
{
UInt32 value = 0;
if (settings.Priority == Priority.High)
{
value = 0x80000000;
}
if (settings.ServiceClass == ServiceClass.Confirmed)
{
value |= 0x40000000;
}
value |= (UInt32)(settings.longInvokeID & 0xFFFFFF);
++settings.longInvokeID;
return value;
}
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)
{
if (Scaler != 1)
{
try
{
CurrentAverageValue = Convert.ToDouble(e.Value) * Scaler;
}
catch (Exception)
{
//Sometimes scaler is set for wrong Object type.
CurrentAverageValue = e.Value;
}
}
else
{
CurrentAverageValue = e.Value;
}
}
else if (e.Index == 3)
{
if (Scaler != 1)
{
try
{
LastAverageValue = Convert.ToDouble(e.Value) * Scaler;
}
catch (Exception)
{
//Sometimes scaler is set for wrong Object type.
LastAverageValue = e.Value;
}
}
else
{
LastAverageValue = e.Value;
}
}
else if (e.Index == 4)
{
if (e.Value == null)
{
Scaler = 1;
Unit = Unit.None;
}
else
{
object[] arr = (object[])e.Value;
if (arr.Length != 2)
{
throw new Exception("setValue failed. Invalid scaler unit value.");
}
_scaler = Convert.ToInt32(arr[0]);
Unit = (Unit)Convert.ToInt32(arr[1]);
}
}
else if (e.Index == 5)
{
Status = Convert.ToInt32(e.Value);
}
else if (e.Index == 6)
{
if (e.Value == null)
{
CaptureTime = new GXDateTime(DateTime.MinValue);
}
else
{
if (e.Value is byte[])
{
e.Value = GXDLMSClient.ChangeType((byte[])e.Value, DataType.DateTime);
}
CaptureTime = (GXDateTime)e.Value;
}
}
else if (e.Index == 7)
{
if (e.Value == null)
{
StartTimeCurrent = new GXDateTime(DateTime.MinValue);
}
else
{
if (e.Value is byte[])
{
e.Value = GXDLMSClient.ChangeType((byte[])e.Value, DataType.DateTime);
}
StartTimeCurrent = (GXDateTime)e.Value;
}
}
else if (e.Index == 8)
{
Period = Convert.ToUInt32(e.Value);
}
else if (e.Index == 9)
{
NumberOfPeriods = Convert.ToUInt16(e.Value);
}
else
{
e.Error = ErrorCode.ReadWriteDenied;
}
}
private static void HandleSetRequestNormal(GXDLMSSettings settings, GXDLMSServer server, GXByteBuffer data, byte type, GXDLMSLNParameters p, GXByteBuffer replyData, GXDLMSTranslatorStructure xml)
{
object value = null;
GXDataInfo reply = new GXDataInfo();
// CI
ObjectType ci = (ObjectType)data.GetUInt16();
byte[] ln = new byte[6];
data.Get(ln);
// Attribute index.
byte index = data.GetUInt8();
// Get Access Selection.
data.GetUInt8();
if (xml != null)
{
AppendAttributeDescriptor(xml, (int)ci, ln, index);
xml.AppendStartTag(TranslatorTags.Value);
GXDataInfo di = new GXDataInfo();
di.xml = xml;
value = GXCommon.GetData(settings, data, di);
if (!di.Complete)
{
value = GXCommon.ToHex(data.Data, false, data.Position, data.Size - data.Position);
}
else if (value is byte[])
{
value = GXCommon.ToHex((byte[])value, false);
}
xml.AppendEndTag(TranslatorTags.Value);
return;
}
if (type == 2)
{
p.multipleBlocks = data.GetUInt8() == 0;
UInt32 blockNumber = data.GetUInt32();
if (blockNumber != settings.BlockIndex)
{
Debug.WriteLine("HandleSetRequest failed. Invalid block number. " + settings.BlockIndex + "/" + blockNumber);
p.status = (byte)ErrorCode.DataBlockNumberInvalid;
return;
}
settings.IncreaseBlockIndex();
int size = GXCommon.GetObjectCount(data);
int realSize = data.Size - data.Position;
if (size != realSize)
{
Debug.WriteLine("HandleSetRequest failed. Invalid block size.");
p.status = (byte)ErrorCode.DataBlockUnavailable;
return;
}
}
if (!p.multipleBlocks)
{
settings.ResetBlockIndex();
value = GXCommon.GetData(settings, data, reply);
}
GXDLMSObject obj = settings.Objects.FindByLN(ci, GXCommon.ToLogicalName(ln));
if (obj == null)
{
obj = server.NotifyFindObject(ci, 0, GXCommon.ToLogicalName(ln));
}
// If target is unknown.
if (obj == null)
{
// Device reports a undefined object.
p.status = (byte)ErrorCode.UndefinedObject;
}
else
{
ValueEventArgs e = new ValueEventArgs(server, obj, index, 0, null);
e.InvokeId = p.InvokeId;
AccessMode am = server.NotifyGetAttributeAccess(e);
// If write is denied.
if (am != AccessMode.Write && am != AccessMode.ReadWrite)
{
//Read Write denied.
p.status = (byte)ErrorCode.ReadWriteDenied;
}
else
{
try
{
if (value is byte[])
{
DataType dt = (obj as IGXDLMSBase).GetDataType(index);
if (dt != DataType.None && dt != DataType.OctetString && dt != DataType.Structure)
{
value = GXDLMSClient.ChangeType((byte[])value, dt, settings.UseUtc2NormalTime);
}
}
e.Value = value;
ValueEventArgs[] list = new ValueEventArgs[] { e };
if (p.multipleBlocks)
{
server.transaction = new GXDLMSLongTransaction(list, Command.GetRequest, data);
}
server.NotifyWrite(list);
if (e.Error != 0)
{
p.status = (byte)e.Error;
}
else if (!e.Handled && !p.multipleBlocks)
{
(obj as IGXDLMSBase).SetValue(settings, e);
server.NotifyPostWrite(list);
if (e.Error != 0)
{
p.status = (byte)e.Error;
}
}
p.InvokeId = e.InvokeId;
}
catch (Exception)
{
p.status = (byte)ErrorCode.HardwareFault;
}
}
}
}
/// <summary>
/// Constructor.
/// </summary>
public ValueEventArgs(GXDLMSSettings settings, GXDLMSObject target, int index, int selector, object parameters)
{
Settings = settings;
Target = target;
Index = index;
Selector = selector;
Parameters = parameters;
}
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)
{
OutputState = Convert.ToBoolean(e.Value);
}
else if (e.Index == 3)
{
ControlState = (ControlState)Convert.ToInt32(e.Value);
}
else if (e.Index == 4)
{
ControlMode = (ControlMode)Convert.ToInt32(e.Value);
}
else
{
e.Error = ErrorCode.ReadWriteDenied;
}
}
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)
{
TransmissionErrors = (UInt16)e.Value;
}
else if (e.Index == 3)
{
TransmitFailure = (UInt16)e.Value;
}
else if (e.Index == 4)
{
TransmitRetries = (UInt16)e.Value;
}
else if (e.Index == 5)
{
ReceiveFull = (UInt16)e.Value;
}
else if (e.Index == 6)
{
LostMessages = (UInt16)e.Value;
}
else if (e.Index == 7)
{
MissedMessages = (UInt16)e.Value;
}
else if (e.Index == 8)
{
Layer2Received = (UInt16)e.Value;
}
else if (e.Index == 9)
{
Layer3Received = (UInt16)e.Value;
}
else if (e.Index == 10)
{
MessagesReceived = (UInt16)e.Value;
}
else if (e.Index == 11)
{
MessagesValidated = (UInt16)e.Value;
}
else
{
e.Error = ErrorCode.ReadWriteDenied;
}
}
///<summary>
/// Handle action request.
///</summary>
public static void HandleMethodRequest(GXDLMSSettings settings, GXDLMSServer server, GXByteBuffer data, GXDLMSConnectionEventArgs connectionInfo, GXByteBuffer replyData, GXDLMSTranslatorStructure xml)
{
ErrorCode error = ErrorCode.Ok;
GXByteBuffer bb = new GXByteBuffer();
// Get type.
ActionRequestType type = (ActionRequestType)data.GetUInt8();
// Get invoke ID and priority.
byte invokeId = data.GetUInt8();
// CI
ObjectType ci = (ObjectType)data.GetUInt16();
byte[] ln = new byte[6];
data.Get(ln);
// Attribute Id
byte id = data.GetUInt8();
// Get parameters.
object parameters = null;
byte selection = data.GetUInt8();
if (xml != null)
{
xml.AppendStartTag(Command.MethodRequest);
if (type == ActionRequestType.Normal)
{
xml.AppendStartTag(Command.MethodRequest, ActionRequestType.Normal);
xml.AppendLine(TranslatorTags.InvokeId, "Value", xml.IntegerToHex(invokeId, 2));
AppendMethodDescriptor(xml, (int)ci, ln, id);
if (selection != 0)
{
//MethodInvocationParameters
xml.AppendStartTag(TranslatorTags.MethodInvocationParameters);
GXDataInfo di = new GXDataInfo();
di.xml = xml;
GXCommon.GetData(settings, data, di);
xml.AppendEndTag(TranslatorTags.MethodInvocationParameters);
}
xml.AppendEndTag(Command.MethodRequest, ActionRequestType.Normal);
}
xml.AppendEndTag(Command.MethodRequest);
return;
}
if (selection != 0)
{
GXDataInfo info = new GXDataInfo();
parameters = GXCommon.GetData(settings, data, info);
}
GXDLMSObject obj = settings.Objects.FindByLN(ci, GXCommon.ToLogicalName(ln));
if (!settings.Connected && !settings.AllowAnonymousAccess && (ci != ObjectType.AssociationLogicalName || id != 1))
{
replyData.Set(GXDLMSServer.GenerateConfirmedServiceError(ConfirmedServiceError.InitiateError,
ServiceError.Service, (byte)Service.Unsupported));
return;
}
if (obj == null)
{
obj = server.NotifyFindObject(ci, 0, GXCommon.ToLogicalName(ln));
}
if (obj == null)
{
// Device reports a undefined object.
error = ErrorCode.UndefinedObject;
}
else
{
ValueEventArgs e = new ValueEventArgs(server, obj, id, 0, parameters);
e.InvokeId = invokeId;
if (server.NotifyGetMethodAccess(e) == MethodAccessMode.NoAccess)
{
error = ErrorCode.ReadWriteDenied;
}
else
{
server.NotifyAction(new ValueEventArgs[] { e });
byte[] actionReply;
if (e.Handled)
{
actionReply = (byte[])e.Value;
}
else
{
actionReply = (obj as IGXDLMSBase).Invoke(settings, e);
server.NotifyPostAction(new ValueEventArgs[] { e });
}
//Set default action reply if not given.
if (actionReply != null && e.Error == 0)
{
//Add return parameters
bb.SetUInt8(1);
//Add parameters error code.
bb.SetUInt8(0);
GXCommon.SetData(settings, bb, GXCommon.GetValueType(actionReply), actionReply);
}
else
{
error = e.Error;
//Add return parameters
bb.SetUInt8(0);
}
}
invokeId = (byte)e.InvokeId;
}
GXDLMSLNParameters p = new GXDLMSLNParameters(settings, invokeId, Command.MethodResponse, 1, null, bb, (byte)error);
GXDLMS.GetLNPdu(p, replyData);
//If High level authentication fails.
if (!settings.Connected && !settings.AllowAnonymousAccess && obj is GXDLMSAssociationLogicalName && id == 1)
{
server.NotifyInvalidConnection(connectionInfo);
}
}
/// <summary>
/// Handle get request normal command.
/// </summary>
/// <param name="data">Received data.</param>
private static void GetRequestNormal(GXDLMSSettings settings, byte invokeID, GXDLMSServer server, GXByteBuffer data, GXByteBuffer replyData, GXDLMSTranslatorStructure xml)
{
ValueEventArgs e = null;
GXByteBuffer bb = new GXByteBuffer();
// Get type.
ErrorCode status = ErrorCode.Ok;
settings.Count = settings.Index = 0;
settings.ResetBlockIndex();
// CI
ObjectType ci = (ObjectType)data.GetUInt16();
byte[] ln = new byte[6];
data.Get(ln);
// Attribute Id
byte attributeIndex = data.GetUInt8();
// AccessSelection
byte selection = data.GetUInt8();
byte selector = 0;
object parameters = null;
GXDataInfo info = new GXDataInfo();
if (selection != 0)
{
selector = data.GetUInt8();
}
if (xml != null)
{
AppendAttributeDescriptor(xml, (int)ci, ln, attributeIndex);
if (selection != 0)
{
info.xml = xml;
xml.AppendStartTag(TranslatorTags.AccessSelection);
xml.AppendLine(TranslatorTags.AccessSelector, "Value", xml.IntegerToHex(selector, 2));
xml.AppendStartTag(TranslatorTags.AccessParameters);
GXCommon.GetData(settings, data, info);
xml.AppendEndTag(TranslatorTags.AccessParameters);
xml.AppendEndTag(TranslatorTags.AccessSelection);
}
return;
}
if (selection != 0)
{
parameters = GXCommon.GetData(settings, data, info);
}
GXDLMSObject obj = settings.Objects.FindByLN(ci, GXCommon.ToLogicalName(ln));
if (obj == null)
{
obj = server.NotifyFindObject(ci, 0, GXCommon.ToLogicalName(ln));
}
e = new ValueEventArgs(server, obj, attributeIndex, selector, parameters);
if (obj == null)
{
// "Access Error : Device reports a undefined object."
status = ErrorCode.UndefinedObject;
}
else
{
e.InvokeId = invokeID;
if (server.NotifyGetAttributeAccess(e) == AccessMode.NoAccess)
{
//Read Write denied.
status = ErrorCode.ReadWriteDenied;
}
else
{
if (e.Target is GXDLMSProfileGeneric && attributeIndex == 2)
{
e.RowToPdu = GXDLMS.RowsToPdu(settings, (GXDLMSProfileGeneric)e.Target);
}
object value;
server.NotifyRead(new ValueEventArgs[] { e });
if (e.Handled)
{
value = e.Value;
}
else
{
settings.Count = e.RowEndIndex - e.RowBeginIndex;
value = (obj as IGXDLMSBase).GetValue(settings, e);
}
if (e.ByteArray)
{
bb.Set((byte[])value);
}
else
{
GXDLMS.AppendData(settings, obj, attributeIndex, bb, value);
}
server.NotifyPostRead(new ValueEventArgs[] { e });
status = e.Error;
}
}
GXDLMS.GetLNPdu(new GXDLMSLNParameters(settings, e.InvokeId, Command.GetResponse, 1, null, bb, (byte)status), replyData);
if (settings.Count != settings.Index || bb.Size != bb.Position)
{
server.transaction = new GXDLMSLongTransaction(new ValueEventArgs[] { e }, Command.GetRequest, bb);
}
}
private static void HandleReadDataBlockAccess(
GXDLMSSettings settings, GXDLMSServer server,
Command command, GXByteBuffer data, int cnt, GXByteBuffer replyData, GXDLMSTranslatorStructure xml)
{
GXByteBuffer bb = new GXByteBuffer();
byte lastBlock = data.GetUInt8();
UInt16 blockNumber = data.GetUInt16();
if (xml != null)
{
if (command == Command.WriteResponse)
{
xml.AppendStartTag(TranslatorTags.WriteDataBlockAccess);
}
else
{
xml.AppendStartTag(TranslatorTags.ReadDataBlockAccess);
}
xml.AppendLine("<LastBlock Value=\"" + xml.IntegerToHex(lastBlock, 2) + "\" />");
xml.AppendLine("<BlockNumber Value=\"" + xml.IntegerToHex(blockNumber, 4) + "\" />");
if (command == Command.WriteResponse)
{
xml.AppendEndTag(TranslatorTags.WriteDataBlockAccess);
}
else
{
xml.AppendEndTag(TranslatorTags.ReadDataBlockAccess);
}
return;
}
if (blockNumber != settings.BlockIndex)
{
Debug.WriteLine("handleReadRequest failed. Invalid block number. " + settings.BlockIndex + "/" + blockNumber);
bb.SetUInt8(ErrorCode.DataBlockNumberInvalid);
GXDLMS.GetSNPdu(new GXDLMSSNParameters(settings, command, 1, (byte)SingleReadResponse.DataAccessError, bb, null), replyData);
settings.ResetBlockIndex();
return;
}
int count = 1;
byte type = (byte)DataType.OctetString;
if (command == Command.WriteResponse)
{
count = GXCommon.GetObjectCount(data);
type = data.GetUInt8();
}
int size = GXCommon.GetObjectCount(data);
int realSize = data.Size - data.Position;
if (count != 1 || type != (byte)DataType.OctetString || size != realSize)
{
Debug.WriteLine("handleGetRequest failed. Invalid block size.");
bb.SetUInt8(ErrorCode.DataBlockUnavailable);
GXDLMS.GetSNPdu(new GXDLMSSNParameters(settings, command, cnt, (byte)SingleReadResponse.DataAccessError, bb, null), replyData);
settings.ResetBlockIndex();
return;
}
if (server.transaction == null)
{
server.transaction = new GXDLMSLongTransaction(null, command, data);
}
else
{
server.transaction.data.Set(data);
}
if (lastBlock == 0)
{
bb.SetUInt16(blockNumber);
settings.IncreaseBlockIndex();
if (command == Command.ReadResponse)
{
type = (byte)SingleReadResponse.BlockNumber;
}
else
{
type = (byte)SingleWriteResponse.BlockNumber;
}
GXDLMS.GetSNPdu(new GXDLMSSNParameters(settings, command, cnt, type, null, bb), replyData);
return;
}
else
{
if (server.transaction != null)
{
data.Size = 0;
data.Set(server.transaction.data);
server.transaction = null;
}
if (command == Command.ReadResponse)
{
HandleReadRequest(settings, server, data, replyData, xml);
}
else
{
HandleWriteRequest(settings, server, data, replyData, xml);
}
settings.ResetBlockIndex();
}
}
/// <summary>
/// Handle read request.
/// </summary>
/// <param name="settings">DLMS settings.</param>
/// <param name="server">DLMS server.</param>
/// <param name="data">Received data.</param>
public static void HandleReadRequest(GXDLMSSettings settings, GXDLMSServer server, GXByteBuffer data, GXByteBuffer replyData, GXDLMSTranslatorStructure xml)
{
GXByteBuffer bb = new GXByteBuffer();
int cnt = 0xFF;
byte type = 0;
List <ValueEventArgs> list = new List <ValueEventArgs>();
List <ValueEventArgs> reads = new List <ValueEventArgs>();
List <ValueEventArgs> actions = new List <ValueEventArgs>();
//If get next frame.
if (xml == null && data.Size == 0)
{
if (server.transaction != null)
{
return;
}
bb.Set(replyData);
replyData.Clear();
foreach (ValueEventArgs it in server.transaction.targets)
{
list.Add(it);
}
}
else
{
cnt = GXCommon.GetObjectCount(data);
if (xml != null)
{
xml.AppendStartTag(Command.ReadRequest, "Qty", xml.IntegerToHex(cnt, 2));
}
for (int pos = 0; pos != cnt; ++pos)
{
type = data.GetUInt8();
if (type == (byte)VariableAccessSpecification.VariableName ||
type == (byte)VariableAccessSpecification.ParameterisedAccess)
{
HandleRead(settings, server, type, data, list, reads, actions, replyData, xml);
}
else if (type == (byte)VariableAccessSpecification.BlockNumberAccess)
{
HandleReadBlockNumberAccess(settings, server, data, replyData, xml);
if (xml != null)
{
xml.AppendEndTag(Command.ReadRequest);
}
return;
}
else if (type == (byte)VariableAccessSpecification.ReadDataBlockAccess)
{
HandleReadDataBlockAccess(settings, server, Command.ReadResponse, data, cnt, replyData, xml);
if (xml != null)
{
xml.AppendEndTag(Command.ReadRequest);
}
return;
}
else
{
ReturnSNError(settings, server, Command.ReadResponse, ErrorCode.ReadWriteDenied, replyData);
if (xml != null)
{
xml.AppendEndTag(Command.ReadRequest);
}
return;
}
}
if (reads.Count != 0)
{
server.NotifyRead(reads.ToArray());
}
if (actions.Count != 0)
{
server.NotifyAction(actions.ToArray());
}
}
if (xml != null)
{
xml.AppendEndTag(Command.ReadRequest);
return;
}
byte requestType = (byte)GetReadData(settings, list.ToArray(), bb);
if (reads.Count != 0)
{
server.NotifyPostRead(reads.ToArray());
}
if (actions.Count != 0)
{
server.NotifyPostAction(actions.ToArray());
}
GXDLMSSNParameters p = new GXDLMSSNParameters(settings, Command.ReadResponse, list.Count, requestType, null, bb);
GXDLMS.GetSNPdu(p, replyData);
if (server.transaction == null && (bb.Size != bb.Position || settings.Count != settings.Index))
{
reads = new List <ValueEventArgs>();
foreach (var it in list)
{
reads.Add(it);
}
server.transaction = new GXDLMSLongTransaction(reads.ToArray(), Command.ReadRequest, bb);
}
else if (server.transaction != null)
{
replyData.Set(bb);
return;
}
}
private static void HandleRead(GXDLMSSettings settings, GXDLMSServer server, byte type, GXByteBuffer data,
List <ValueEventArgs> list, List <ValueEventArgs> reads, List <ValueEventArgs> actions,
GXByteBuffer replyData, GXDLMSTranslatorStructure xml)
{
int sn = data.GetInt16();
if (xml != null)
{
if (xml.OutputType == TranslatorOutputType.StandardXml)
{
xml.AppendStartTag(
TranslatorTags.VariableAccessSpecification);
}
else
{
sn &= 0xFFFF;
}
if (type == (byte)VariableAccessSpecification.ParameterisedAccess)
{
xml.AppendStartTag(Command.ReadRequest,
VariableAccessSpecification.ParameterisedAccess);
xml.AppendLine(
(int)Command.ReadRequest << 8
| (int)VariableAccessSpecification.VariableName,
"Value", xml.IntegerToHex(sn, 4));
xml.AppendLine(TranslatorTags.Selector, "Value",
xml.IntegerToHex(data.GetUInt8(), 2));
GXDataInfo di = new GXDataInfo();
di.xml = xml;
xml.AppendStartTag(TranslatorTags.Parameter);
GXCommon.GetData(settings, data, di);
xml.AppendEndTag(TranslatorTags.Parameter);
xml.AppendEndTag(Command.ReadRequest,
VariableAccessSpecification.ParameterisedAccess);
}
else
{
xml.AppendLine(
(int)Command.ReadRequest << 8
| (int)VariableAccessSpecification.VariableName,
"Value", xml.IntegerToHex(sn, 4));
}
if (xml.OutputType == TranslatorOutputType.StandardXml)
{
xml.AppendEndTag(TranslatorTags.VariableAccessSpecification);
}
return;
}
GXSNInfo info = FindSNObject(server, sn & 0xFFFF);
ValueEventArgs e = new ValueEventArgs(server, info.Item, info.Index, 0, null);
e.action = info.IsAction;
if (type == (byte)VariableAccessSpecification.ParameterisedAccess)
{
e.Selector = data.GetUInt8();
GXDataInfo di = new GXDataInfo();
e.Parameters = GXCommon.GetData(settings, data, di);
}
//Return error if connection is not established.
if (!settings.Connected && !settings.AllowAnonymousAccess && (!e.action || e.Target.ShortName != 0xFA00 || e.Index != 8))
{
replyData.Add(GXDLMSServer.GenerateConfirmedServiceError(ConfirmedServiceError.InitiateError,
ServiceError.Service, (byte)Service.Unsupported));
return;
}
if (e.Target is GXDLMSProfileGeneric && info.Index == 2)
{
e.RowToPdu = GXDLMS.RowsToPdu(settings, (GXDLMSProfileGeneric)e.Target);
}
list.Add(e);
if (!e.action && server.NotifyGetAttributeAccess(e) == AccessMode.NoAccess)
{
e.Error = ErrorCode.ReadWriteDenied;
}
else if (e.action && server.NotifyGetMethodAccess(e) == MethodAccessMode.NoAccess)
{
e.Error = ErrorCode.ReadWriteDenied;
}
else
{
if (e.action)
{
actions.Add(e);
}
else
{
reads.Add(e);
}
}
}
/// <summary>
/// Handle read Block in blocks.
/// </summary>
/// <param name="data">Received data.</param>
private static void HandleReadBlockNumberAccess(GXDLMSSettings settings, GXDLMSServer server, GXByteBuffer data, GXByteBuffer replyData, GXDLMSTranslatorStructure xml)
{
UInt16 blockNumber = data.GetUInt16();
if (xml != null)
{
xml.AppendStartTag(Command.ReadRequest, VariableAccessSpecification.BlockNumberAccess);
xml.AppendLine("<BlockNumber Value=\"" + xml.IntegerToHex(blockNumber, 4) + "\" />");
xml.AppendEndTag(Command.ReadRequest, VariableAccessSpecification.BlockNumberAccess);
return;
}
if (blockNumber != settings.BlockIndex)
{
GXByteBuffer bb = new GXByteBuffer();
Debug.WriteLine("handleReadRequest failed. Invalid block number. " + settings.BlockIndex + "/" + blockNumber);
bb.SetUInt8(ErrorCode.DataBlockNumberInvalid);
GXDLMS.GetSNPdu(new GXDLMSSNParameters(settings, Command.ReadResponse, 1, (byte)SingleReadResponse.DataAccessError, bb, null), replyData);
settings.ResetBlockIndex();
return;
}
if (settings.Index != settings.Count && server.transaction.data.Size < settings.MaxPduSize)
{
List <ValueEventArgs> reads = new List <ValueEventArgs>();
List <ValueEventArgs> actions = new List <ValueEventArgs>();
foreach (ValueEventArgs it in server.transaction.targets)
{
if (it.action)
{
actions.Add(it);
}
else
{
reads.Add(it);
}
}
if (reads.Count != 0)
{
server.NotifyRead(reads.ToArray());
}
if (actions.Count != 0)
{
server.NotifyAction(actions.ToArray());
}
GetReadData(settings, server.transaction.targets, server.transaction.data);
if (reads.Count != 0)
{
server.NotifyPostRead(reads.ToArray());
}
if (actions.Count != 0)
{
server.NotifyPostAction(actions.ToArray());
}
}
settings.IncreaseBlockIndex();
GXDLMSSNParameters p = new GXDLMSSNParameters(settings, Command.ReadResponse, 1,
(byte)SingleReadResponse.DataBlockResult, null, server.transaction.data);
p.multipleBlocks = true;
GXDLMS.GetSNPdu(p, replyData);
//If all data is sent.
if (server.transaction.data.Size == server.transaction.data.Position)
{
server.transaction = null;
settings.ResetBlockIndex();
}
else
{
server.transaction.data.Trim();
}
}
///<summary>
/// Handle write request.
///</summary>
public static void HandleWriteRequest(GXDLMSSettings settings, GXDLMSServer server, GXByteBuffer data,
GXByteBuffer replyData, GXDLMSTranslatorStructure xml)
{
//Return error if connection is not established.
if (xml == null && !settings.Connected && !settings.AllowAnonymousAccess)
{
replyData.Add(GXDLMSServer.GenerateConfirmedServiceError(ConfirmedServiceError.InitiateError,
ServiceError.Service, (byte)Service.Unsupported));
return;
}
short type;
object value;
// Get object count.
List <GXSNInfo> targets = new List <GXSNInfo>();
int cnt = GXCommon.GetObjectCount(data);
if (xml != null)
{
xml.AppendStartTag(Command.WriteRequest);
xml.AppendStartTag(
TranslatorTags.ListOfVariableAccessSpecification, "Qty",
xml.IntegerToHex(cnt, 2));
if (xml.OutputType == TranslatorOutputType.StandardXml)
{
xml.AppendStartTag(
TranslatorTags.VariableAccessSpecification);
}
}
GXByteBuffer results = new GXByteBuffer((ushort)cnt);
for (int pos = 0; pos != cnt; ++pos)
{
type = data.GetUInt8();
if (type == (byte)VariableAccessSpecification.VariableName)
{
int sn = data.GetUInt16();
if (xml != null)
{
xml.AppendLine(
(int)Command.WriteRequest << 8
| (int)VariableAccessSpecification.VariableName,
"Value", xml.IntegerToHex(sn, 4));
}
else
{
GXSNInfo info = FindSNObject(server, sn);
targets.Add(info);
// If target is unknown.
if (info == null)
{
// Device reports a undefined object.
results.SetUInt8(ErrorCode.UndefinedObject);
}
else
{
results.SetUInt8(ErrorCode.Ok);
}
}
}
else if (type == (byte)VariableAccessSpecification.WriteDataBlockAccess)
{
HandleReadDataBlockAccess(settings, server, Command.WriteResponse, data, cnt, replyData, xml);
if (xml == null)
{
return;
}
}
else
{
// Device reports a HW error.
results.SetUInt8(ErrorCode.HardwareFault);
}
}
if (xml != null)
{
if (xml.OutputType == TranslatorOutputType.StandardXml)
{
xml.AppendEndTag(TranslatorTags.VariableAccessSpecification);
}
xml.AppendEndTag(
TranslatorTags.ListOfVariableAccessSpecification);
}
// Get data count.
cnt = GXCommon.GetObjectCount(data);
GXDataInfo di = new GXDataInfo();
di.xml = xml;
if (xml != null)
{
xml.AppendStartTag(TranslatorTags.ListOfData, "Qty", xml.IntegerToHex(cnt, 2));
}
for (int pos = 0; pos != cnt; ++pos)
{
di.Clear();
if (xml != null)
{
if (xml.OutputType == TranslatorOutputType.StandardXml)
{
xml.AppendStartTag(Command.WriteRequest,
SingleReadResponse.Data);
}
value = GXCommon.GetData(settings, data, di);
if (!di.Complete)
{
value = GXCommon.ToHex(data.Data, false,
data.Position, data.Size - data.Position);
xml.AppendLine(
GXDLMS.DATA_TYPE_OFFSET + (int)di.Type,
"Value", value.ToString());
}
if (xml.OutputType == TranslatorOutputType.StandardXml)
{
xml.AppendEndTag(Command.WriteRequest, SingleReadResponse.Data);
}
}
else if (results.GetUInt8(pos) == 0)
{
// If object has found.
GXSNInfo target = targets[pos];
value = GXCommon.GetData(settings, data, di);
if (value is byte[])
{
DataType dt = target.Item.GetDataType(target.Index);
if (dt != DataType.None && dt != DataType.OctetString)
{
value = GXDLMSClient.ChangeType((byte[])value, dt, settings.UseUtc2NormalTime);
}
}
ValueEventArgs e = new ValueEventArgs(server, target.Item, target.Index, 0, null);
AccessMode am = server.NotifyGetAttributeAccess(e);
// If write is denied.
if (am != AccessMode.Write && am != AccessMode.ReadWrite)
{
results.SetUInt8((byte)pos, (byte)ErrorCode.ReadWriteDenied);
}
else
{
e.Value = value;
server.NotifyWrite(new ValueEventArgs[] { e });
if (e.Error != 0)
{
results.SetUInt8((byte)pos, (byte)e.Error);
}
else if (!e.Handled)
{
(target.Item as IGXDLMSBase).SetValue(settings, e);
server.NotifyPostWrite(new ValueEventArgs[] { e });
}
}
}
}
if (xml != null)
{
xml.AppendEndTag(TranslatorTags.ListOfData);
xml.AppendEndTag(Command.WriteRequest);
return;
}
GenerateWriteResponse(settings, results, replyData);
}
///<summary>
/// Handle Access request.
///</summary>
public static void HandleAccessRequest(GXDLMSSettings settings, GXDLMSServer server, GXByteBuffer data,
GXByteBuffer reply, GXDLMSTranslatorStructure xml)
{
//Return error if connection is not established.
if (xml == null && !settings.Connected && !settings.AllowAnonymousAccess)
{
reply.Set(GXDLMSServer.GenerateConfirmedServiceError(ConfirmedServiceError.InitiateError,
ServiceError.Service, (byte)Service.Unsupported));
return;
}
//Get long invoke id and priority.
UInt32 invokeId = data.GetUInt32();
int len = GXCommon.GetObjectCount(data);
byte[] tmp = null;
// If date time is given.
if (len != 0)
{
tmp = new byte[len];
data.Get(tmp);
if (xml == null)
{
DataType dt = DataType.DateTime;
if (len == 4)
{
dt = DataType.Time;
}
else if (len == 5)
{
dt = DataType.Date;
}
GXDataInfo info = new GXDataInfo();
info.Type = dt;
GXCommon.GetData(settings, new GXByteBuffer(tmp), info);
}
}
// Get object count.
int cnt = GXCommon.GetObjectCount(data);
if (xml != null)
{
xml.AppendStartTag(Command.AccessRequest);
xml.AppendLine(TranslatorTags.LongInvokeId, "Value", xml.IntegerToHex(invokeId, 2));
xml.AppendLine(TranslatorTags.DateTime, "Value", GXCommon.ToHex(tmp, false));
xml.AppendStartTag(TranslatorTags.AccessRequestBody);
xml.AppendStartTag(TranslatorTags.ListOfAccessRequestSpecification, "Qty",
xml.IntegerToHex(cnt, 2));
}
AccessServiceCommandType type;
for (int pos = 0; pos != cnt; ++pos)
{
type = (AccessServiceCommandType)data.GetUInt8();
if (!(type == AccessServiceCommandType.Get ||
type == AccessServiceCommandType.Set ||
type == AccessServiceCommandType.Action))
{
throw new ArgumentException("Invalid access service command type.");
}
// CI
ObjectType ci = (ObjectType)data.GetUInt16();
byte[] ln = new byte[6];
data.Get(ln);
// Attribute Id
byte attributeIndex = data.GetUInt8();
if (xml != null)
{
xml.AppendStartTag(TranslatorTags.AccessRequestSpecification);
xml.AppendStartTag(Command.AccessRequest, type);
AppendAttributeDescriptor(xml, (int)ci, ln, attributeIndex);
xml.AppendEndTag(Command.AccessRequest, type);
xml.AppendEndTag(TranslatorTags.AccessRequestSpecification);
}
}
if (xml != null)
{
xml.AppendEndTag(TranslatorTags.ListOfAccessRequestSpecification);
xml.AppendStartTag(TranslatorTags.AccessRequestListOfData, "Qty", xml.IntegerToHex(cnt, 2));
}
// Get data count.
cnt = GXCommon.GetObjectCount(data);
for (int pos = 0; pos != cnt; ++pos)
{
GXDataInfo di = new GXDataInfo();
di.xml = xml;
if (xml != null && xml.OutputType == TranslatorOutputType.StandardXml)
{
xml.AppendStartTag(Command.WriteRequest, SingleReadResponse.Data);
}
object value = GXCommon.GetData(settings, data, di);
if (!di.Complete)
{
value = GXCommon.ToHex(data.Data, false, data.Position, data.Size - data.Position);
}
else if (value is byte[])
{
value = GXCommon.ToHex((byte[])value, false);
}
if (xml != null && xml
.OutputType == TranslatorOutputType.StandardXml)
{
xml.AppendEndTag(Command.WriteRequest, SingleReadResponse.Data);
}
}
if (xml != null)
{
xml.AppendEndTag(TranslatorTags.AccessRequestListOfData);
xml.AppendEndTag(TranslatorTags.AccessRequestBody);
xml.AppendEndTag(Command.AccessRequest);
}
}
private static void HanleSetRequestWithDataBlock(GXDLMSSettings settings, GXDLMSServer server, GXByteBuffer data, GXDLMSLNParameters p, GXByteBuffer replyData, GXDLMSTranslatorStructure xml)
{
GXDataInfo reply = new GXDataInfo();
reply.xml = xml;
byte lastBlock = data.GetUInt8();
p.multipleBlocks = lastBlock == 0;
UInt32 blockNumber = data.GetUInt32();
if (xml == null && blockNumber != settings.BlockIndex)
{
Debug.WriteLine("HanleSetRequestWithDataBlock failed. Invalid block number. " + settings.BlockIndex + "/" + blockNumber);
p.status = (byte)ErrorCode.DataBlockNumberInvalid;
}
else
{
settings.IncreaseBlockIndex();
int size = GXCommon.GetObjectCount(data);
int realSize = data.Size - data.Position;
if (size != realSize)
{
Debug.WriteLine("HanleSetRequestWithDataBlock failed. Invalid block size.");
p.status = (byte)ErrorCode.DataBlockUnavailable;
}
if (xml != null)
{
xml.AppendStartTag(TranslatorTags.DataBlock);
xml.AppendLine(TranslatorTags.LastBlock, "Value", xml.IntegerToHex(lastBlock, 2));
xml.AppendLine(TranslatorTags.BlockNumber, "Value", xml.IntegerToHex(blockNumber, 8));
xml.AppendLine(TranslatorTags.RawData, "Value", data.RemainingHexString(false));
xml.AppendEndTag(TranslatorTags.DataBlock);
return;
}
server.transaction.data.Set(data);
//If all data is received.
if (!p.multipleBlocks)
{
try
{
object value = GXCommon.GetData(settings, server.transaction.data, reply);
if (value is byte[])
{
DataType dt = (server.transaction.targets[0].Target as IGXDLMSBase).GetDataType(server.transaction.targets[0].Index);
if (dt != DataType.None && dt != DataType.OctetString)
{
value = GXDLMSClient.ChangeType((byte[])value, dt, settings.UseUtc2NormalTime);
}
}
server.transaction.targets[0].Value = value;
server.NotifyWrite(server.transaction.targets);
if (!server.transaction.targets[0].Handled && !p.multipleBlocks)
{
(server.transaction.targets[0].Target as IGXDLMSBase).SetValue(settings, server.transaction.targets[0]);
server.NotifyPostWrite(server.transaction.targets);
}
}
catch (Exception)
{
p.status = (byte)ErrorCode.HardwareFault;
}
finally
{
server.transaction = null;
}
settings.ResetBlockIndex();
}
}
p.multipleBlocks = true;
}
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)
{
Mode = (AutoConnectMode)Convert.ToInt32(e.Value);
}
else if (e.Index == 3)
{
Repetitions = Convert.ToInt32(e.Value);
}
else if (e.Index == 4)
{
RepetitionDelay = Convert.ToInt32(e.Value);
}
else if (e.Index == 5)
{
CallingWindow.Clear();
if (e.Value != null)
{
foreach (Object[] item in (Object[])e.Value)
{
GXDateTime start = (GXDateTime)GXDLMSClient.ChangeType((byte[])item[0], DataType.DateTime);
GXDateTime end = (GXDateTime)GXDLMSClient.ChangeType((byte[])item[1], DataType.DateTime);
CallingWindow.Add(new KeyValuePair<GXDateTime, GXDateTime>(start, end));
}
}
}
else if (e.Index == 6)
{
Destinations = null;
if (e.Value != null)
{
List<string> items = new List<string>();
foreach (byte[] item in (object[])e.Value)
{
string it = GXDLMSClient.ChangeType(item, DataType.String).ToString();
items.Add(it);
}
Destinations = items.ToArray();
}
}
else
{
e.Error = ErrorCode.ReadWriteDenied;
}
}
/// <summary>
/// Handle Information Report.
/// </summary>
/// <param name="settings">DLMS settings.</param>
/// <param name="reply"></param>
/// <returns></returns>
public static void HandleInformationReport(GXDLMSSettings settings, GXReplyData reply, List <KeyValuePair <GXDLMSObject, int> > list)
{
reply.Time = DateTime.MinValue;
int len = reply.Data.GetUInt8();
byte[] tmp = null;
// If date time is given.
if (len != 0)
{
tmp = new byte[len];
reply.Data.Get(tmp);
reply.Time = (GXDateTime)GXDLMSClient.ChangeType(tmp, DataType.DateTime, settings.UseUtc2NormalTime);
}
byte type;
int count = GXCommon.GetObjectCount(reply.Data);
if (reply.Xml != null)
{
reply.Xml.AppendStartTag(Command.InformationReport);
if (reply.Time != DateTime.MinValue)
{
reply.Xml.AppendComment(Convert.ToString(reply.Time));
if (reply.Xml.OutputType == TranslatorOutputType.SimpleXml)
{
reply.Xml.AppendLine(TranslatorTags.CurrentTime, null, GXCommon.ToHex(tmp, false));
}
else
{
reply.Xml.AppendLine(TranslatorTags.CurrentTime, null,
GXCommon.GeneralizedTime(reply.Time));
}
}
reply.Xml.AppendStartTag(TranslatorTags.ListOfVariableAccessSpecification, "Qty", reply.Xml.IntegerToHex(count, 2));
}
for (int pos = 0; pos != count; ++pos)
{
type = reply.Data.GetUInt8();
if (type == (byte)VariableAccessSpecification.VariableName)
{
int sn = reply.Data.GetUInt16();
if (reply.Xml != null)
{
reply.Xml.AppendLine(
(int)Command.WriteRequest << 8
| (int)VariableAccessSpecification.VariableName,
"Value", reply.Xml.IntegerToHex(sn, 4));
}
else
{
GXSNInfo info = FindSNObject(settings.Objects, sn);
if (info.Item != null)
{
list.Add(new KeyValuePair <GXDLMSObject, int>(info.Item, info.Index));
}
else
{
System.Diagnostics.Debug.WriteLine(string.Format("Unknown object : {0}.", sn));
}
}
}
}
if (reply.Xml != null)
{
reply.Xml.AppendEndTag(TranslatorTags.ListOfVariableAccessSpecification);
reply.Xml.AppendStartTag(TranslatorTags.ListOfData, "Qty", reply.Xml.IntegerToHex(count, 2));
}
//Get values.
count = GXCommon.GetObjectCount(reply.Data);
GXDataInfo di = new GXDataInfo();
di.xml = reply.Xml;
for (int pos = 0; pos != count; ++pos)
{
di.Clear();
if (reply.Xml != null)
{
GXCommon.GetData(settings, reply.Data, di);
}
else
{
ValueEventArgs v = new ValueEventArgs(list[pos].Key, list[pos].Value, 0, null);
v.Value = GXCommon.GetData(settings, reply.Data, di);
(list[pos].Key as IGXDLMSBase).SetValue(settings, v);
}
}
if (reply.Xml != null)
{
reply.Xml.AppendEndTag(TranslatorTags.ListOfData);
reply.Xml.AppendEndTag(Command.InformationReport);
}
}
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)
{
PlcInactivityTimeout = (byte)e.Value;
}
else
{
e.Error = ErrorCode.ReadWriteDenied;
}
}
/// <summary>
/// Handle get request next data block command.
/// </summary>
/// <param name="data">Received data.</param>
private static void GetRequestNextDataBlock(GXDLMSSettings settings, byte invokeID, GXDLMSServer server, GXByteBuffer data, GXByteBuffer replyData, GXDLMSTranslatorStructure xml)
{
GXByteBuffer bb = new GXByteBuffer();
UInt32 index;
// Get block index.
index = data.GetUInt32();
if (xml != null)
{
xml.AppendLine(TranslatorTags.BlockNumber, null, xml.IntegerToHex(index, 8));
return;
}
if (index != settings.BlockIndex)
{
Debug.WriteLine("handleGetRequest failed. Invalid block number. " + settings.BlockIndex + "/" + index);
GXDLMS.GetLNPdu(new GXDLMSLNParameters(settings, 0, Command.GetResponse, 2, null, bb, (byte)ErrorCode.DataBlockNumberInvalid), replyData);
}
else
{
settings.IncreaseBlockIndex();
GXDLMSLNParameters p = new GXDLMSLNParameters(settings, invokeID, Command.GetResponse, 2, null, bb, (byte)ErrorCode.Ok);
//If transaction is not in progress.
if (server.transaction == null)
{
p.status = (byte)ErrorCode.NoLongGetOrReadInProgress;
}
else
{
bb.Set(server.transaction.data);
bool moreData = settings.Index != settings.Count;
if (moreData)
{
//If there is multiple blocks on the buffer.
//This might happen when Max PDU size is very small.
if (bb.Size < settings.MaxPduSize)
{
foreach (ValueEventArgs arg in server.transaction.targets)
{
object value;
server.NotifyRead(new ValueEventArgs[] { arg });
if (arg.Handled)
{
value = arg.Value;
}
else
{
value = (arg.Target as IGXDLMSBase).GetValue(settings, arg);
}
//Add data.
if (arg.ByteArray)
{
bb.Set((byte[])value);
}
else
{
GXDLMS.AppendData(settings, arg.Target, arg.Index, bb, value);
}
}
moreData = settings.Index != settings.Count;
}
}
p.multipleBlocks = true;
GXDLMS.GetLNPdu(p, replyData);
if (moreData || bb.Size - bb.Position != 0)
{
server.transaction.data = bb;
}
else
{
server.transaction = null;
settings.ResetBlockIndex();
}
}
}
}
/// <summary>
/// Add value of COSEM object to byte buffer.
/// </summary>
/// <param name="obj">COSEM object.</param>
/// <param name="index">Attribute index.</param>
/// <param name="buff">Byte buffer.</param>
/// <remarks>
/// AddData method can be used with GetDataNotificationMessage -method.
/// DLMS spesification do not specify the structure of Data-Notification body.
/// So each manufacture can sent different data.
/// </remarks>
/// <seealso cref="GetDataNotificationMessages"/>
internal static void AddData(GXDLMSSettings settings, GXDLMSObject obj, int index, GXByteBuffer buff)
{
DataType dt;
object value = (obj as IGXDLMSBase).GetValue(settings, new ValueEventArgs(settings, obj, index, 0, null));
dt = obj.GetDataType(index);
if (dt == DataType.None && value != null)
{
dt = GXCommon.GetValueType(value);
}
GXCommon.SetData(settings, buff, dt, value);
}
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)
{
if (e.Value is string)
{
PHYReference = e.Value.ToString();
}
else
{
PHYReference = GXDLMSClient.ChangeType((byte[])e.Value, DataType.OctetString).ToString();
}
}
else if (e.Index == 3)
{
List<GXDLMSPppSetupLcpOption> items = new List<GXDLMSPppSetupLcpOption>();
if (e.Value is Object[])
{
foreach (Object[] item in (Object[])e.Value)
{
GXDLMSPppSetupLcpOption it = new GXDLMSPppSetupLcpOption();
it.Type = (PppSetupLcpOptionType)Convert.ToByte(item[0]);
it.Length = Convert.ToByte(item[1]);
it.Data = item[2];
items.Add(it);
}
}
LCPOptions = items.ToArray();
}
else if (e.Index == 4)
{
List<GXDLMSPppSetupIPCPOption> items = new List<GXDLMSPppSetupIPCPOption>();
if (e.Value is Object[])
{
foreach (Object[] item in (Object[])e.Value)
{
GXDLMSPppSetupIPCPOption it = new GXDLMSPppSetupIPCPOption();
it.Type = (PppSetupIPCPOptionType)Convert.ToByte(item[0]);
it.Length = Convert.ToByte(item[1]);
it.Data = item[2];
items.Add(it);
}
}
IPCPOptions = items.ToArray();
}
else if (e.Index == 5)
{
UserName = (byte[])((Object[])e.Value)[0];
Password = (byte[])((Object[])e.Value)[1];
}
else
{
e.Error = ErrorCode.ReadWriteDenied;
}
}
object IGXDLMSBase.GetValue(GXDLMSSettings settings, ValueEventArgs e)
{
if (e.Index == 1)
{
return this.LogicalName;
}
if (e.Index == 2)
{
return OutputState;
}
if (e.Index == 3)
{
return ControlState;
}
if (e.Index == 4)
{
return ControlMode;
}
e.Error = ErrorCode.ReadWriteDenied;
return null;
}
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)
{
if (e.Value is string)
{
MBusPortReference = e.Value.ToString();
}
else
{
MBusPortReference = GXDLMSClient.ChangeType((byte[])e.Value, DataType.OctetString).ToString();
}
}
else if (e.Index == 3)
{
CaptureDefinition.Clear();
if (e.Value != null)
{
foreach (object[] it in (object[])e.Value)
{
CaptureDefinition.Add(new KeyValuePair<string, string>(GXDLMSClient.ChangeType((byte[])it[0], DataType.OctetString).ToString(),
GXDLMSClient.ChangeType((byte[])it[1], DataType.OctetString).ToString()));
}
}
}
else if (e.Index == 4)
{
CapturePeriod = Convert.ToUInt32(e.Value);
}
else if (e.Index == 5)
{
PrimaryAddress = Convert.ToByte(e.Value);
}
else if (e.Index == 6)
{
IdentificationNumber = Convert.ToUInt32(e.Value);
}
else if (e.Index == 7)
{
ManufacturerID = Convert.ToUInt16(e.Value);
}
else if (e.Index == 8)
{
DataHeaderVersion = Convert.ToByte(e.Value);
}
else if (e.Index == 9)
{
DeviceType = Convert.ToByte(e.Value);
}
else if (e.Index == 10)
{
AccessNumber = Convert.ToByte(e.Value);
}
else if (e.Index == 11)
{
Status = Convert.ToByte(e.Value);
}
else if (e.Index == 12)
{
Alarm = Convert.ToByte(e.Value);
}
else if (Version > 0)
{
if (e.Index == 13)
{
Configuration = Convert.ToUInt16(e.Value);
}
else if (e.Index == 14)
{
EncryptionKeyStatus = (MBusEncryptionKeyStatus)Convert.ToInt32(e.Value);
}
else
{
e.Error = ErrorCode.ReadWriteDenied;
}
}
else
{
e.Error = ErrorCode.ReadWriteDenied;
}
}
object IGXDLMSBase.GetValue(GXDLMSSettings settings, ValueEventArgs e)
{
if (e.Index == 1)
{
return this.LogicalName;
}
if (e.Index == 2)
{
return TransmissionErrors;
}
if (e.Index == 3)
{
return TransmitFailure;
}
if (e.Index == 4)
{
return TransmitRetries;
}
if (e.Index == 5)
{
return ReceiveFull;
}
if (e.Index == 6)
{
return LostMessages; ;
}
if (e.Index == 7)
{
return MissedMessages;
}
if (e.Index == 8)
{
return Layer2Received;
}
if (e.Index == 9)
{
return Layer3Received;
}
if (e.Index == 10)
{
return MessagesReceived;
}
if (e.Index == 11)
{
return MessagesValidated;
}
e.Error = ErrorCode.ReadWriteDenied;
return null;
}
object IGXDLMSBase.GetValue(GXDLMSSettings settings, ValueEventArgs e)
{
if (e.Index == 1)
{
return this.LogicalName;
}
if (e.Index == 2)
{
return Value;
}
if (e.Index == 3)
{
GXByteBuffer data = new GXByteBuffer();
data.SetUInt8((byte)DataType.Structure);
data.SetUInt8(2);
GXCommon.SetData(settings, data, DataType.Int8, scaler);
GXCommon.SetData(settings, data, DataType.Enum, Unit);
return data.Array();
}
e.Error = ErrorCode.ReadWriteDenied;
return null;
}
object IGXDLMSBase.GetValue(GXDLMSSettings settings, ValueEventArgs e)
{
if (e.Index == 1)
{
return this.LogicalName;
}
if (e.Index == 2)
{
return PHYReference;
}
if (e.Index == 3)
{
GXByteBuffer data = new GXByteBuffer();
data.SetUInt8((byte)DataType.Array);
if (LCPOptions == null)
{
data.SetUInt8(0);
}
else
{
data.SetUInt8((byte)IPCPOptions.Length);
foreach (GXDLMSPppSetupLcpOption it in LCPOptions)
{
data.SetUInt8((byte)DataType.Structure);
data.SetUInt8((byte)3);
GXCommon.SetData(settings, data, DataType.UInt8, it.Type);
GXCommon.SetData(settings, data, DataType.UInt8, it.Length);
GXCommon.SetData(settings, data, GXCommon.GetValueType(it.Data), it.Data);
}
}
return data.Array();
}
if (e.Index == 4)
{
GXByteBuffer data = new GXByteBuffer();
data.SetUInt8((byte)DataType.Array);
if (IPCPOptions == null)
{
data.SetUInt8(0);
}
else
{
data.SetUInt8((byte)IPCPOptions.Length);
foreach (GXDLMSPppSetupIPCPOption it in IPCPOptions)
{
data.SetUInt8((byte)DataType.Structure);
data.SetUInt8((byte)3);
GXCommon.SetData(settings, data, DataType.UInt8, it.Type);
GXCommon.SetData(settings, data, DataType.UInt8, it.Length);
GXCommon.SetData(settings, data, GXCommon.GetValueType(it.Data), it.Data);
}
}
return data.Array();
}
else if (e.Index == 5)
{
GXByteBuffer data = new GXByteBuffer();
data.SetUInt8((byte)DataType.Structure);
data.SetUInt8(2);
GXCommon.SetData(settings, data, DataType.OctetString, UserName);
GXCommon.SetData(settings, data, DataType.OctetString, Password);
return data.Array();
}
e.Error = ErrorCode.ReadWriteDenied;
return null;
}
/// <summary>
/// Handle get request with list command.
/// </summary>
/// <param name="data">Received data.</param>
private static void GetRequestWithList(GXDLMSSettings settings, byte invokeID, GXDLMSServer server, GXByteBuffer data, GXByteBuffer replyData, GXDLMSTranslatorStructure xml)
{
ValueEventArgs e;
GXByteBuffer bb = new GXByteBuffer();
int pos;
int cnt = GXCommon.GetObjectCount(data);
GXCommon.SetObjectCount(cnt, bb);
List <ValueEventArgs> list = new List <ValueEventArgs>();
if (xml != null)
{
xml.AppendStartTag(TranslatorTags.AttributeDescriptorList, "Qty", xml.IntegerToHex(cnt, 2));
}
try
{
for (pos = 0; pos != cnt; ++pos)
{
ObjectType ci = (ObjectType)data.GetUInt16();
byte[] ln = new byte[6];
data.Get(ln);
short attributeIndex = data.GetUInt8();
// AccessSelection
int selection = data.GetUInt8();
int selector = 0;
object parameters = null;
if (selection != 0)
{
selector = data.GetUInt8();
GXDataInfo info = new GXDataInfo();
parameters = GXCommon.GetData(settings, data, info);
}
if (xml != null)
{
xml.AppendStartTag(TranslatorTags.AttributeDescriptorWithSelection);
xml.AppendStartTag(TranslatorTags.AttributeDescriptor);
xml.AppendComment(ci.ToString());
xml.AppendLine(TranslatorTags.ClassId, "Value", xml.IntegerToHex((int)ci, 4));
xml.AppendComment(GXCommon.ToLogicalName(ln));
xml.AppendLine(TranslatorTags.InstanceId, "Value", GXCommon.ToHex(ln, false));
xml.AppendLine(TranslatorTags.AttributeId, "Value", xml.IntegerToHex(attributeIndex, 2));
xml.AppendEndTag(TranslatorTags.AttributeDescriptor);
xml.AppendEndTag(TranslatorTags.AttributeDescriptorWithSelection);
}
else
{
GXDLMSObject obj = settings.Objects.FindByLN(ci, GXCommon.ToLogicalName(ln));
if (obj == null)
{
obj = server.NotifyFindObject(ci, 0, GXCommon.ToLogicalName(ln));
}
if (obj == null)
{
// "Access Error : Device reports a undefined object."
e = new ValueEventArgs(server, obj, attributeIndex, 0, 0);
e.Error = ErrorCode.UndefinedObject;
list.Add(e);
}
else
{
ValueEventArgs arg = new ValueEventArgs(server, obj, attributeIndex, selector, parameters);
arg.InvokeId = invokeID;
if (server.NotifyGetAttributeAccess(arg) == AccessMode.NoAccess)
{
//Read Write denied.
arg.Error = ErrorCode.ReadWriteDenied;
list.Add(arg);
}
else
{
list.Add(arg);
}
}
}
}
}
catch (Exception ex)
{
if (xml == null)
{
throw ex;
}
}
if (xml != null)
{
xml.AppendEndTag(TranslatorTags.AttributeDescriptorList);
return;
}
server.NotifyRead(list.ToArray());
object value;
pos = 0;
foreach (ValueEventArgs it in list)
{
try
{
if (it.Handled)
{
value = it.Value;
}
else
{
value = (it.Target as IGXDLMSBase).GetValue(settings, it);
}
bb.SetUInt8(it.Error);
if (it.ByteArray)
{
bb.Set((byte[])value);
}
else
{
GXDLMS.AppendData(settings, it.Target, it.Index, bb, value);
}
invokeID = (byte)it.InvokeId;
}
catch (Exception)
{
bb.SetUInt8((byte)ErrorCode.HardwareFault);
}
if (settings.Index != settings.Count)
{
server.transaction = new GXDLMSLongTransaction(list.ToArray(), Command.GetRequest, null);
}
++pos;
}
server.NotifyPostRead(list.ToArray());
GXDLMSLNParameters p = new GXDLMSLNParameters(settings, invokeID, Command.GetResponse, 3, null, bb, 0xFF);
GXDLMS.GetLNPdu(p, replyData);
}
object IGXDLMSBase.GetValue(GXDLMSSettings settings, ValueEventArgs e)
{
if (e.Index == 1)
{
return this.LogicalName;
}
if (e.Index == 2)
{
return MBusPortReference;
}
if (e.Index == 3)
{
GXByteBuffer buff = new GXByteBuffer();
buff.Add((byte)DataType.Array);
GXCommon.SetObjectCount(CaptureDefinition.Count, buff);
foreach (KeyValuePair<string, string> it in CaptureDefinition)
{
buff.Add((byte)DataType.Structure);
buff.Add(2);
GXCommon.SetData(settings, buff, DataType.UInt8, it.Key);
GXCommon.SetData(settings, buff, DataType.OctetString, ASCIIEncoding.ASCII.GetBytes(it.Value));
}
return buff.Array();
}
if (e.Index == 4)
{
return CapturePeriod;
}
if (e.Index == 5)
{
return PrimaryAddress;
}
if (e.Index == 6)
{
return IdentificationNumber;
}
if (e.Index == 7)
{
return ManufacturerID;
}
if (e.Index == 8)
{
return DataHeaderVersion;
}
if (e.Index == 9)
{
return DeviceType;
}
if (e.Index == 10)
{
return AccessNumber;
}
if (e.Index == 11)
{
return Status;
}
if (e.Index == 12)
{
return Alarm;
}
if (Version > 0)
{
if (e.Index == 13)
{
return Configuration;
}
if (e.Index == 14)
{
return EncryptionKeyStatus;
}
}
e.Error = ErrorCode.ReadWriteDenied;
return null;
}
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)
{
Mode = (IecTwistedPairSetupMode)e.Value;
}
else if (e.Index == 3)
{
Speed = (BaudRate)e.Value;
}
else if (e.Index == 4)
{
GXByteBuffer list = new GXByteBuffer();
foreach (object it in (object[])e.Value)
{
list.Add((byte)it);
}
PrimaryAddresses = list.Array();
}
else if (e.Index == 5)
{
List<sbyte> list = new List<sbyte>();
foreach (object it in (object[])e.Value)
{
list.Add((sbyte)it);
}
Tabis = list.ToArray();
}
else
{
e.Error = ErrorCode.ReadWriteDenied;
}
}
byte[] IGXDLMSBase.Invoke(GXDLMSSettings settings, ValueEventArgs e)
{
// Resets the value to the default value.
// The default value is an instance specific constant.
if (e.Index == 1)
{
Value = null;
}
else
{
e.Error = ErrorCode.ReadWriteDenied;
}
return null;
}
object IGXDLMSBase.GetValue(GXDLMSSettings settings, ValueEventArgs e)
{
if (e.Index == 1)
{
return this.LogicalName;
}
if (e.Index == 2)
{
int cnt = 0;
if (SapAssignmentList != null)
{
cnt = SapAssignmentList.Count;
}
GXByteBuffer data = new GXByteBuffer();
data.SetUInt8((byte)DataType.Array);
//Add count
GXCommon.SetObjectCount(cnt, data);
if (cnt != 0)
{
foreach (var it in SapAssignmentList)
{
data.SetUInt8((byte)DataType.Structure);
data.SetUInt8((byte)2); //Count
GXCommon.SetData(settings, data, DataType.UInt16, it.Key);
GXCommon.SetData(settings, data, DataType.OctetString, ASCIIEncoding.ASCII.GetBytes(it.Value));
}
}
return data.Array();
}
e.Error = ErrorCode.ReadWriteDenied;
return null;
}
void IGXDLMSBase.SetValue(GXDLMSSettings settings, ValueEventArgs e)
{
if (e.Index == 1)
{
if (e.Value is string)
{
LogicalName = e.Value.ToString();
}
else if (e.Value == null)
{
LogicalName = null;
}
else
{
LogicalName = GXDLMSClient.ChangeType((byte[])e.Value, DataType.OctetString).ToString();
}
}
else if (e.Index == 2)
{
if (Scaler != 1)
{
try
{
Value = Convert.ToDouble(e.Value) * Scaler;
}
catch (Exception)
{
//Sometimes scaler is set for wrong Object type.
Value = e.Value;
}
}
else
{
Value = e.Value;
}
}
else if (e.Index == 3)
{
if (e.Value == null)
{
Scaler = 1;
Unit = Unit.None;
}
else
{
object[] arr = (object[])e.Value;
if (arr.Length != 2)
{
throw new Exception("setValue failed. Invalid scaler unit value.");
}
scaler = Convert.ToInt32(arr[0]);
Unit = (Unit)(Convert.ToInt32(arr[1]) & 0xFF);
}
}
else
{
e.Error = ErrorCode.ReadWriteDenied;
}
}
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)
{
SapAssignmentList.Clear();
if (e.Value != null)
{
foreach (Object[] item in (Object[])e.Value)
{
string str;
if (item[1] is byte[])
{
str = GXDLMSClient.ChangeType((byte[])item[1], DataType.String).ToString();
}
else
{
str = Convert.ToString(item[1]);
}
SapAssignmentList.Add(new KeyValuePair<UInt16, string>(Convert.ToUInt16(item[0]), str));
}
}
}
else
{
e.Error = ErrorCode.ReadWriteDenied;
}
}
object IGXDLMSBase.GetValue(GXDLMSSettings settings, ValueEventArgs e)
{
if (e.Index == 1)
{
return this.LogicalName;
}
if (e.Index == 2)
{
return this.CurrentAverageValue;
}
if (e.Index == 3)
{
return this.LastAverageValue;
}
if (e.Index == 4)
{
GXByteBuffer data = new GXByteBuffer();
data.SetUInt8((byte)DataType.Structure);
data.SetUInt8(2);
GXCommon.SetData(settings, data, DataType.Int8, _scaler);
GXCommon.SetData(settings, data, DataType.Enum, Unit);
return data.Array();
}
if (e.Index == 5)
{
return this.Status;
}
if (e.Index == 6)
{
return CaptureTime;
}
if (e.Index == 7)
{
return StartTimeCurrent;
}
if (e.Index == 8)
{
return Period;
}
if (e.Index == 9)
{
return NumberOfPeriods;
}
e.Error = ErrorCode.ReadWriteDenied;
return null;
}
byte[] IGXDLMSBase.Invoke(GXDLMSSettings settings, ValueEventArgs e)
{
if (e.Index == 2)
{
foreach (object tmp in e.Parameters as object[])
{
object[] item = tmp as object[];
GlobalKeyType type = (GlobalKeyType)Convert.ToInt32(item[0]);
byte[] data = (byte[])item[1];
switch (type)
{
case GlobalKeyType.UnicastEncryption:
case GlobalKeyType.BroadcastEncryption:
//Invalid type
e.Error = ErrorCode.ReadWriteDenied;
break;
case GlobalKeyType.Authentication:
//if settings.Cipher is null non secure server is used.
settings.Cipher.AuthenticationKey = GXDLMSSecureClient.Decrypt(settings.Kek, data);
break;
case GlobalKeyType.Kek:
settings.Kek = GXDLMSSecureClient.Decrypt(settings.Kek, data);
break;
default:
//Invalid type
e.Error = ErrorCode.ReadWriteDenied;
break;
}
}
//Return standard reply.
return null;
}
else
{
e.Error = ErrorCode.ReadWriteDenied;
return null;
}
}
object IGXDLMSBase.GetValue(GXDLMSSettings settings, ValueEventArgs e)
{
if (e.Index == 1)
{
return this.LogicalName;
}
if (e.Index == 2)
{
return (byte)Mode;
}
if (e.Index == 3)
{
return Repetitions;
}
if (e.Index == 4)
{
return RepetitionDelay;
}
if (e.Index == 5)
{
int cnt = CallingWindow.Count;
GXByteBuffer data = new GXByteBuffer();
data.SetUInt8((byte)DataType.Array);
//Add count
GXCommon.SetObjectCount(cnt, data);
if (cnt != 0)
{
foreach (var it in CallingWindow)
{
data.SetUInt8((byte)DataType.Structure);
data.SetUInt8((byte)2); //Count
GXCommon.SetData(settings, data, DataType.OctetString, it.Key); //start_time
GXCommon.SetData(settings, data, DataType.OctetString, it.Value); //end_time
}
}
return data.Array();
}
if (e.Index == 6)
{
GXByteBuffer data = new GXByteBuffer();
data.SetUInt8((byte)DataType.Array);
if (Destinations == null)
{
//Add count
GXCommon.SetObjectCount(0, data);
}
else
{
int cnt = Destinations.Length;
//Add count
GXCommon.SetObjectCount(cnt, data);
foreach (string it in Destinations)
{
GXCommon.SetData(settings, data, DataType.OctetString, ASCIIEncoding.ASCII.GetBytes(it)); //destination
}
}
return data.Array();
}
e.Error = ErrorCode.ReadWriteDenied;
return null;
}
object IGXDLMSBase.GetValue(GXDLMSSettings settings, ValueEventArgs e)
{
if (e.Index == 1)
{
return this.LogicalName;
}
if (e.Index == 2)
{
return SecurityPolicy;
}
if (e.Index == 3)
{
return SecuritySuite;
}
if (this.Version > 0)
{
if (e.Index == 4)
{
return ClientSystemTitle;
}
if (e.Index == 5)
{
return ServerSystemTitle;
}
if (e.Index == 6)
{
return GetSertificates();
}
}
e.Error = ErrorCode.ReadWriteDenied;
return null;
}
object IGXDLMSBase.GetValue(GXDLMSSettings settings, ValueEventArgs e)
{
if (e.Index == 1)
{
return this.LogicalName;
}
if (e.Index == 2)
{
return PlcInactivityTimeout;
}
e.Error = ErrorCode.ReadWriteDenied;
return null;
}
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)
{
SecurityPolicy = (SecurityPolicy)Convert.ToInt32(e.Value);
}
else if (e.Index == 3)
{
SecuritySuite = (SecuritySuite)Convert.ToInt32(e.Value);
}
else if (e.Index == 4)
{
ClientSystemTitle = (byte[])e.Value;
}
else if (e.Index == 5)
{
ServerSystemTitle = (byte[])e.Value;
}
else if (e.Index == 6)
{
UpdateSertificates((object[])e.Value);
}
else
{
e.Error = ErrorCode.ReadWriteDenied;
}
}
byte[] IGXDLMSBase.Invoke(GXDLMSSettings settings, ValueEventArgs e)
{
e.Error = ErrorCode.ReadWriteDenied;
return null;
}
private static void HanleSetRequestWithList(GXDLMSSettings settings, byte invokeID, GXDLMSServer server, GXByteBuffer data, GXDLMSLNParameters p, GXByteBuffer replyData, GXDLMSTranslatorStructure xml)
{
ValueEventArgs e;
int cnt = GXCommon.GetObjectCount(data);
List <ValueEventArgs> list = new List <ValueEventArgs>();
if (xml != null)
{
xml.AppendStartTag(TranslatorTags.AttributeDescriptorList, "Qty", xml.IntegerToHex(cnt, 2));
}
try
{
for (int pos = 0; pos != cnt; ++pos)
{
ObjectType ci = (ObjectType)data.GetUInt16();
byte[] ln = new byte[6];
data.Get(ln);
short attributeIndex = data.GetUInt8();
// AccessSelection
int selection = data.GetUInt8();
int selector = 0;
object parameters = null;
if (selection != 0)
{
selector = data.GetUInt8();
GXDataInfo info = new GXDataInfo();
parameters = GXCommon.GetData(settings, data, info);
}
if (xml != null)
{
xml.AppendStartTag(TranslatorTags.AttributeDescriptorWithSelection);
xml.AppendStartTag(TranslatorTags.AttributeDescriptor);
xml.AppendComment(ci.ToString());
xml.AppendLine(TranslatorTags.ClassId, "Value", xml.IntegerToHex((int)ci, 4));
xml.AppendComment(GXCommon.ToLogicalName(ln));
xml.AppendLine(TranslatorTags.InstanceId, "Value", GXCommon.ToHex(ln, false));
xml.AppendLine(TranslatorTags.AttributeId, "Value", xml.IntegerToHex(attributeIndex, 2));
xml.AppendEndTag(TranslatorTags.AttributeDescriptor);
xml.AppendEndTag(TranslatorTags.AttributeDescriptorWithSelection);
}
else
{
GXDLMSObject obj = settings.Objects.FindByLN(ci, GXCommon.ToLogicalName(ln));
if (obj == null)
{
obj = server.NotifyFindObject(ci, 0, GXCommon.ToLogicalName(ln));
}
if (obj == null)
{
// "Access Error : Device reports a undefined object."
e = new ValueEventArgs(server, obj, attributeIndex, 0, 0);
e.Error = ErrorCode.UndefinedObject;
list.Add(e);
}
else
{
ValueEventArgs arg = new ValueEventArgs(server, obj, attributeIndex, selector, parameters);
arg.InvokeId = invokeID;
if (server.NotifyGetAttributeAccess(arg) == AccessMode.NoAccess)
{
//Read Write denied.
arg.Error = ErrorCode.ReadWriteDenied;
list.Add(arg);
}
else
{
list.Add(arg);
}
}
}
}
cnt = GXCommon.GetObjectCount(data);
if (xml != null)
{
xml.AppendEndTag(TranslatorTags.AttributeDescriptorList);
xml.AppendStartTag(TranslatorTags.ValueList, "Qty", xml.IntegerToHex(cnt, 2));
}
for (int pos = 0; pos != cnt; ++pos)
{
GXDataInfo di = new GXDataInfo();
di.xml = xml;
if (xml != null && xml.OutputType == TranslatorOutputType.StandardXml)
{
xml.AppendStartTag(Command.WriteRequest, SingleReadResponse.Data);
}
object value = GXCommon.GetData(settings, data, di);
if (!di.Complete)
{
value = GXCommon.ToHex(data.Data, false, data.Position, data.Size - data.Position);
}
else if (value is byte[])
{
value = GXCommon.ToHex((byte[])value, false);
}
if (xml != null && xml
.OutputType == TranslatorOutputType.StandardXml)
{
xml.AppendEndTag(Command.WriteRequest, SingleReadResponse.Data);
}
}
if (xml != null)
{
xml.AppendEndTag(TranslatorTags.ValueList);
}
}
catch (Exception ex)
{
if (xml == null)
{
throw ex;
}
}
}