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;
}
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;
}
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;
}
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 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);
}
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;
}
}
/// <summary> /// Action is occurred. /// </summary> /// <param name="e"></param> abstract public void Action(ValueEventArgs e);
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, GXDLMSObject.ToLogicalName(ln));
if (obj == null)
{
obj = server.NotifyFindObject(ci, 0, GXDLMSObject.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)
{
value = GXDLMSClient.ChangeType((byte[])value, dt);
}
}
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);
}
p.InvokeId = e.InvokeId;
}
catch (Exception)
{
p.status = (byte)ErrorCode.HardwareFault;
}
}
}
}
/// <summary> /// Get attribute access mode. /// </summary> /// <param name="arg">Value event argument.</param> /// <returns>Access mode.</returns> protected abstract AccessMode GetAttributeAccess(ValueEventArgs arg);
/// <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, GXDLMSObject.ToLogicalName(ln));
if (obj == null)
{
obj = server.NotifyFindObject(ci, 0, GXDLMSObject.ToLogicalName(ln));
}
if (obj == null)
{
// "Access Error : Device reports a undefined object."
status = ErrorCode.UndefinedObject;
}
else
{
e = new ValueEventArgs(server, obj, attributeIndex, selector, parameters);
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);
}
}
/// <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(GXDLMSObject.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, GXDLMSObject.ToLogicalName(ln));
if (obj == null)
{
obj = server.NotifyFindObject(ci, 0, GXDLMSObject.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);
}
///<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, GXDLMSObject.ToLogicalName(ln));
if (!settings.Connected && (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, GXDLMSObject.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 && obj is GXDLMSAssociationLogicalName && id == 1)
{
server.NotifyInvalidConnection(connectionInfo);
}
}
/// <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);
}
}
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);
}
}
}
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;
}
/// <summary> /// Get method access mode. /// </summary> /// <param name="arg">Value event argument.</param> /// <returns>Method access mode.</returns> protected abstract MethodAccessMode GetMethodAccess(ValueEventArgs arg);
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;
}
/// <summary>
/// Get method access mode.
/// </summary>
/// <param name="arg"></param>
/// <returns>Method access mode</returns>
internal MethodAccessMode NotifyGetMethodAccess(ValueEventArgs arg)
{
return(GetMethodAccess(arg));
}
/// <summary> /// Read selected item. /// </summary> /// <param name="e"></param> abstract public void Read(ValueEventArgs e);
///<summary>
/// Handle write request.
///</summary>
///<param name="Reply">
/// Received data from the client.
/// </param>
///<returns>
/// Reply.
///</returns>
private byte[][] HandleWriteRequest()
{
GXByteBuffer data = Reply.Data;
short type;
object value;
// Get object count.
IList <GXSNInfo> targets = new List <GXSNInfo>();
int cnt = GXCommon.GetObjectCount(data);
GXByteBuffer results = new GXByteBuffer((ushort)cnt);
for (int pos = 0; pos != cnt; ++pos)
{
type = data.GetUInt8();
if (type == 2)
{
int sn = data.GetUInt16();
GXSNInfo info = FindSNObject(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
{
// Device reports a HW error.
results.SetUInt8(ErrorCode.HardwareFault);
}
}
// Get data count.
cnt = GXCommon.GetObjectCount(data);
GXDataInfo di = new GXDataInfo();
for (int pos = 0; pos != cnt; ++pos)
{
if (results.GetUInt8(pos) == 0)
{
// If object has found.
GXSNInfo target = targets[pos];
value = GXCommon.GetData(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);
}
}
di.Clear();
AccessMode am = target.Item.GetAccess(target.Index);
// If write is denied.
if (am != AccessMode.Write && am != AccessMode.ReadWrite)
{
results.SetUInt8((byte)pos, (byte)ErrorCode.ReadWriteDenied);
}
else
{
ValueEventArgs e = new ValueEventArgs(target.Item, target.Index, 0, null);
e.Value = value;
Write(e);
if (!e.Handled)
{
(target.Item as IGXDLMSBase).SetValue(Settings, target.Index, value);
}
}
}
}
GXByteBuffer bb = new GXByteBuffer((UInt16)(2 * cnt + 2));
GXCommon.SetObjectCount(cnt, bb);
byte ret;
for (int pos = 0; pos != cnt; ++pos)
{
ret = results.GetUInt8(pos);
// If meter returns error.
if (ret != 0)
{
bb.SetUInt8(1);
}
bb.SetUInt8(ret);
}
return(GXDLMS.SplitPdu(Settings, Command.WriteResponse, 1, bb, ErrorCode.Ok, DateTime.MinValue)[0]);
}
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;
}
}
/// <summary> /// Read selected item. /// </summary> /// <param name="e"></param> abstract public void Read(ValueEventArgs e);
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> /// Write selected item. /// </summary> /// <param name="e"></param> abstract public void Write(ValueEventArgs e);
ParsePush(Object[] data)
{
int index;
GXDLMSObject obj;
object value;
DataType dt;
List<KeyValuePair<GXDLMSObject, int>> items = new List<KeyValuePair<GXDLMSObject, int>>();
if (data != null)
{
GXDLMSConverter c = new GXDLMSConverter();
GXDLMSObjectCollection objects = new GXDLMSObjectCollection();
foreach (Object it in (Object[])data[0])
{
Object[] tmp = (Object[])it;
int classID = ((UInt16)(tmp[0])) & 0xFFFF;
if (classID > 0)
{
GXDLMSObject comp;
comp = this.Objects.FindByLN((ObjectType)classID, GXDLMSObject.ToLogicalName(tmp[1] as byte[]));
if (comp == null)
{
comp = GXDLMSClient.CreateDLMSObject(classID, 0, 0, tmp[1], null);
c.UpdateOBISCodeInformation(comp);
objects.Add(comp);
}
if ((comp is IGXDLMSBase))
{
items.Add(new KeyValuePair<GXDLMSObject, int>(comp, (sbyte)tmp[2]));
}
else
{
System.Diagnostics.Debug.WriteLine(string.Format("Unknown object : {0} {1}",
classID, GXDLMSObject.ToLogicalName((byte[])tmp[1])));
}
}
}
for (int pos = 0; pos < data.Length; ++pos)
{
obj = items[pos].Key as GXDLMSObject;
value = data[pos];
index = items[pos].Value;
if (value is byte[] && (dt = obj.GetUIDataType(index)) != DataType.None)
{
value = GXDLMSClient.ChangeType(value as byte[], dt);
}
ValueEventArgs e = new ValueEventArgs(Settings, obj, index, 0, null);
e.Value = value;
(obj as IGXDLMSBase).SetValue(Settings, e);
}
}
return items;
}
/// <summary> /// Action is occurred. /// </summary> /// <param name="e"></param> abstract public void Action(ValueEventArgs e);
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;
}
}
///<summary>
///Handle set request.
///</summary>
///<returns>
///Reply to the client.
///</returns>
private byte[][] HandleSetRequest()
{
ErrorCode error = ErrorCode.Ok;
GXByteBuffer data = Reply.Data;
GXDataInfo info = new GXDataInfo();
GXByteBuffer bb = new GXByteBuffer();
// Get type.
short type = data.GetUInt8();
// Get invoke ID and priority.
data.GetUInt8();
// SetRequest normal
if (type == 1)
{
Settings.ResetBlockIndex();
ServerReply.Index = 0;
// CI
ObjectType ci = (ObjectType)data.GetUInt16();
byte[] ln = new byte[6];
data.Get(ln);
// Attribute index.
int index = data.GetUInt8();
// Get Access Selection.
data.GetUInt8();
object value = GXCommon.GetData(data, info);
GXDLMSObject obj = Settings.Objects.FindByLN(ci, GXDLMSObject.ToLogicalName(ln));
if (obj == null)
{
obj = FindObject(ci, 0, GXDLMSObject.ToLogicalName(ln));
}
// If target is unknown.
if (obj == null)
{
Debug.WriteLine("Undefined object.");
// Device reports a undefined object.
error = ErrorCode.UndefinedObject;
}
else
{
AccessMode am = obj.GetAccess(index);
// If write is denied.
if (am != AccessMode.Write && am != AccessMode.ReadWrite)
{
Debug.WriteLine("Read Write denied.");
error = ErrorCode.ReadWriteDenied;
}
else
{
try
{
if (value is byte[])
{
DataType dt = (obj as IGXDLMSBase).GetDataType(index);
if (dt != DataType.None)
{
value = GXDLMSClient.ChangeType((byte[])value, dt);
}
}
ValueEventArgs e = new ValueEventArgs(obj, index, 0, null);
Write(e);
if (!e.Handled)
{
(obj as IGXDLMSBase).SetValue(Settings, index, value);
}
}
catch (Exception e)
{
Debug.WriteLine(e.Message);
error = ErrorCode.HardwareFault;
}
}
}
}
else
{
Debug.WriteLine("handleSetRequest failed. Unknown command.");
Settings.ResetBlockIndex();
error = ErrorCode.HardwareFault;
}
return(GXDLMS.SplitPdu(Settings, Command.SetResponse, 1, bb, error, DateTime.MinValue)[0]);
}
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;
}
}
private byte[][] HandleGetRequest()
{
ErrorCode error = ErrorCode.Ok;
GXByteBuffer data = Reply.Data;
GXByteBuffer bb = new GXByteBuffer();
short type;
int index = 0;
object parameters = null;
// Get type.
type = data.GetUInt8();
// Get invoke ID and priority.
data.GetUInt8();
// GetRequest normal
if (type == 1)
{
Settings.ResetBlockIndex();
ServerReply.Index = 0;
parameters = null;
// CI
ObjectType ci = (ObjectType)data.GetUInt16();
byte[] ln = new byte[6];
data.Get(ln);
// Attribute Id
int attributeIndex = data.GetUInt8();
GXDLMSObject obj = Settings.Objects.FindByLN(ci, GXDLMSObject.ToLogicalName(ln));
if (obj == null)
{
obj = FindObject(ci, 0, GXDLMSObject.ToLogicalName(ln));
}
if (obj == null)
{
// "Access Error : Device reports a undefined object."
error = ErrorCode.UndefinedObject;
}
else
{
// AccessSelection
int selection = data.GetUInt8();
int selector = 0;
if (selection != 0)
{
selector = data.GetUInt8();
GXDataInfo info = new GXDataInfo();
parameters = GXCommon.GetData(data, info);
}
ValueEventArgs e = new ValueEventArgs(obj, attributeIndex, 0, parameters);
Read(e);
object value;
if (e.Handled)
{
value = e.Value;
}
else
{
value = (obj as IGXDLMSBase).GetValue(Settings, attributeIndex, selector, parameters);
}
GXDLMS.AppedData(obj, attributeIndex, bb, value);
}
ServerReply.ReplyMessages = GXDLMS.SplitPdu(Settings, Command.GetResponse, 1, bb, error, DateTime.MinValue);
}
else if (type == 2)
{
// Get request for next data block
// Get block index.
index = (int)data.GetUInt32();
if (index != Settings.BlockIndex + 1)
{
Debug.WriteLine("handleGetRequest failed. Invalid block number. " + Settings.BlockIndex + "/" + index);
ServerReply.ReplyMessages = GXDLMS.SplitPdu(Settings, Command.GetResponse, 1, bb,
ErrorCode.DataBlockNumberInvalid, DateTime.MinValue);
index = 0;
ServerReply.Index = index;
}
else
{
Settings.IncreaseBlockIndex();
index = ServerReply.Index + 1;
ServerReply.Index = index;
}
}
else if (type == 3)
{
// Get request with a list.
int cnt = GXCommon.GetObjectCount(data);
GXCommon.SetObjectCount(cnt, bb);
for (int pos = 0; pos != cnt; ++pos)
{
ObjectType ci = (ObjectType)data.GetUInt16();
byte[] ln = new byte[6];
data.Get(ln);
short attributeIndex = data.GetUInt8();
GXDLMSObject obj = Settings.Objects.FindByLN(ci, GXDLMSObject.ToLogicalName(ln));
if (obj == null)
{
obj = FindObject(ci, 0, GXDLMSObject.ToLogicalName(ln));
}
if (obj == null)
{
// "Access Error : Device reports a undefined object."
error = ErrorCode.UndefinedObject;
}
else
{
// AccessSelection
int selection = data.GetUInt8();
int selector = 0;
if (selection != 0)
{
selector = data.GetUInt8();
GXDataInfo info = new GXDataInfo();
parameters = GXCommon.GetData(data, info);
}
try
{
ValueEventArgs e = new ValueEventArgs(obj, attributeIndex, 0, parameters);
Read(e);
object value;
if (e.Handled)
{
value = e.Value;
}
else
{
value = (obj as IGXDLMSBase).GetValue(Settings, attributeIndex, selector, parameters);
}
bb.SetUInt8(ErrorCode.Ok);
GXDLMS.AppedData(obj, attributeIndex, bb, value);
}
catch (Exception)
{
bb.SetUInt8(1);
bb.SetUInt8(ErrorCode.HardwareFault);
}
}
}
ServerReply.ReplyMessages = GXDLMS.SplitPdu(Settings, Command.GetResponse, 3, bb, error, DateTime.MinValue);
}
else
{
Debug.WriteLine("handleGetRequest failed. Invalid command type.");
Settings.ResetBlockIndex();
// Access Error : Device reports a hardware fault.
ServerReply.ReplyMessages = GXDLMS.SplitPdu(Settings, Command.GetResponse, 1, bb, ErrorCode.HardwareFault, DateTime.MinValue);
}
ServerReply.Index = index;
return(ServerReply.ReplyMessages[index]);
}
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;
}
}
///
///<summary>Handle read request.
/// </summary>
///<returns> Reply to the client. </returns>
///
private byte[][] HandleReadRequest()
{
GXByteBuffer data = Reply.Data;
short type;
object value = null;
GXByteBuffer bb = new GXByteBuffer();
int cnt = GXCommon.GetObjectCount(data);
GXCommon.SetObjectCount(cnt, bb);
GXSNInfo info;
for (int pos = 0; pos != cnt; ++pos)
{
type = data.GetUInt8();
// GetRequest normal
if (type == 2)
{
int sn = data.GetUInt16();
info = FindSNObject(sn);
if (!info.IsAction)
{
ValueEventArgs e = new ValueEventArgs(info.Item, info.Index, 0, null);
Read(e);
if (e.Handled)
{
value = e.Value;
}
else
{
value = (info.Item as IGXDLMSBase).GetValue(Settings, info.Index, 0, null);
}
// Set status.
bb.SetUInt8(0);
GXDLMS.AppedData(info.Item, info.Index, bb, value);
}
else
{
ValueEventArgs e = new ValueEventArgs(info.Item, info.Index, 0, null);
Action(e);
if (e.Handled)
{
value = e.Value;
}
else
{
value = ((IGXDLMSBase)info.Item).Invoke(Settings, info.Index, null);
}
// Set status.
bb.SetUInt8(0);
// Add value
bb.SetUInt8(GXCommon.GetValueType(value));
bb.Add(value);
}
}
else if (type == 2)
{
// Get request for next data block
throw new System.ArgumentException("TODO: Invalid Command.");
}
else if (type == 4)
{
// Parameterised access.
int sn = data.GetUInt16();
int selector = data.GetUInt8();
GXDataInfo di = new GXDataInfo();
object parameters = GXCommon.GetData(data, di);
info = FindSNObject(sn);
if (!info.IsAction)
{
ValueEventArgs e = new ValueEventArgs(info.Item, info.Index, 0, parameters);
Read(e);
if (e.Handled)
{
value = e.Value;
}
else
{
value = (info.Item as IGXDLMSBase).GetValue(Settings, info.Index, selector, parameters);
}
// Set status.
bb.SetUInt8(0);
GXDLMS.AppedData(info.Item, info.Index, bb, value);
}
else
{
ValueEventArgs e = new ValueEventArgs(info.Item, info.Index, 0, parameters);
e.Value = parameters;
Action(e);
if (e.Handled)
{
value = e.Value;
}
else
{
value = ((IGXDLMSBase)info.Item).Invoke(Settings, info.Index, parameters);
}
// Add value
bb.Add(value);
}
}
else
{
throw new System.ArgumentException("Invalid Command.");
}
}
return(GXDLMS.SplitPdu(Settings, Command.ReadResponse, 1, bb,
ErrorCode.Ok, DateTime.MinValue)[0]);
}
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 (byte)Mode;
}
if (e.Index == 3)
{
return (byte)Speed;
}
if (e.Index == 4)
{
GXByteBuffer data = new GXByteBuffer();
data.SetUInt8((byte)DataType.Array);
if (PrimaryAddresses == null)
{
data.SetUInt8(0);
}
else
{
data.SetUInt8((byte)PrimaryAddresses.Length);
foreach (byte it in PrimaryAddresses)
{
data.SetUInt8((byte)DataType.UInt8);
data.SetUInt8(it);
}
}
return data.Array();
}
if (e.Index == 5)
{
GXByteBuffer data = new GXByteBuffer();
data.SetUInt8((byte)DataType.Array);
if (Tabis == null)
{
data.SetUInt8(0);
}
else
{
data.SetUInt8((byte)Tabis.Length);
foreach (sbyte it in Tabis)
{
data.SetUInt8((byte)DataType.UInt8);
data.SetUInt8((byte)it);
}
}
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 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;
}
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;
}
}
/// <summary>
/// Mandles client request.
/// </summary>
/// <param name="buff">Received data from the client.</param>
/// <returns>Response to the request.</returns>
/// <remarks>
/// Response is null if request packet is not compleate.
/// </remarks>
public byte[] HandleRequest(byte[] buff)
{
byte command = 0;
lock (this)
{
if (buff == null)
{
return null;
}
if (!Initialized)
{
throw new Exception("Server not Initialized.");
}
try
{
byte[] data = null;
if (ReceivedFrame.Count != 0)
{
ReceivedFrame.AddRange(buff);
data = ReceivedFrame.ToArray();
}
else
{
data = buff;
}
if (m_Base.ServerID == null)
{
object sid = null, cid = null;
GetAddress(data, ref cid, ref sid);
//If there is not enough data yet.
if (cid == null || sid == null)
{
ReceivedFrame.AddRange(buff);
return null;
}
foreach (object it in this.ServerIDs)
{
if (sid.Equals(it))
{
m_Base.ServerID = sid;
m_Base.ClientID = cid;
break;
}
}
//We do not communicate if server ID not found.
if (m_Base.ServerID == null)
{
System.Diagnostics.Debug.WriteLine("Invalid server ID: " + sid.ToString());
InvalidConnection(new ConnectionEventArgs(sid));
return null;
}
}
if (!m_Base.IsDLMSPacketComplete(data))
{
if (ReceivedFrame.Count == 0)
{
ReceivedFrame.AddRange(buff);
}
return null; //Wait more data.
}
List<object> names = new List<object>();
GXDLMSObject item = null;
byte[] allData = null;
byte frame;
RequestTypes ret = m_Base.GetDataFromPacket(data, ref allData, out frame, out command);
ReceivedFrame.Clear();
//Ask next part.
if ((ret & (RequestTypes.Frame | RequestTypes.DataBlock)) != 0)
{
if (ret == RequestTypes.DataBlock)
{
//Add new data.
if ((frame & 0x1) == 0)
{
if (command != 0)
{
LastCommand = command;
}
ReceivedData.AddRange(allData);
SendData.Clear();
FrameIndex = 0;
return m_Base.ReceiverReady(RequestTypes.DataBlock);
}
++FrameIndex;
int index = 0;
int BlockIndex = (int)GXCommon.GetUInt32(allData, ref index);
return SendData[FrameIndex];
}
else
{
++FrameIndex;
//Add new data.
if ((frame & 0x1) == 0)
{
if (command != 0)
{
LastCommand = command;
}
ReceivedData.AddRange(allData);
SendData.Clear();
FrameIndex = 0;
--m_Base.ExpectedFrame;
byte[] tmp = m_Base.ReceiverReady(RequestTypes.Frame);
return tmp;
}
//Keep alive...
else if (FrameIndex >= SendData.Count && (frame & 0x1) == 1)
{
SendData.Clear();
FrameIndex = 0;
return m_Base.AddFrame(m_Base.GenerateAliveFrame(), false, null, 0, 0);
}
return SendData[FrameIndex];
}
}
if (ReceivedData.Count != 0)
{
ReceivedData.AddRange(allData);
allData = ReceivedData.ToArray();
ReceivedData.Clear();
command = LastCommand;
}
FrameIndex = 0;
SendData.Clear();
if (command == (byte) Command.GloGetRequest ||
command == (byte) Command.GloSetRequest ||
command == (byte) Command.GloMethodRequest)
{
Command cmd;
int error;
allData = m_Base.Decrypt(allData.ToArray(), out cmd, out error);
command = (byte) cmd;
}
if (command == (int)Command.Snrm)
{
SendData.Add(HandleSnrmRequest());
return SendData[FrameIndex];
}
else if (command == (int)Command.Aarq)
{
SendData.Add(HandleAARQRequest(data));
return SendData[FrameIndex];
}
else if (command == (int)Command.DisconnectRequest)
{
System.Diagnostics.Debug.WriteLine("Disconnecting");
SendData.Add(GenerateDisconnectRequest());
return SendData[FrameIndex];
}
else if (command == (int)Command.WriteRequest)
{
int attributeIndex = 0;
object value = null;
ObjectType type;
int selector;
GetCommand(command, allData, out type, names, out attributeIndex, out selector, out value);
ushort sn = (ushort)names[0];
foreach (var it in SortedItems)
{
int aCnt = (it.Value as IGXDLMSBase).GetAttributeCount();
if (sn >= it.Key && sn <= (it.Key + (8 * aCnt)))
{
item = it.Value;
attributeIndex = ((sn - item.ShortName) / 8) + 1;
//If write is denied.
AccessMode acc = item.GetAccess(attributeIndex);
if (acc == AccessMode.NoAccess || acc == AccessMode.Read ||
acc == AccessMode.AuthenticatedRead)
{
SendData.AddRange(ServerReportError((Command)command, 3));
return SendData[FrameIndex];
}
if (value is byte[])
{
DataType tp = item.GetUIDataType(attributeIndex);
if (tp != DataType.None)
{
value = GXDLMSClient.ChangeType((byte[])value, tp);
}
}
ValueEventArgs e = new ValueEventArgs(item, attributeIndex, selector);
e.Value = value;
Write(e);
if (!e.Handled)
{
(item as IGXDLMSBase).SetValue(attributeIndex, value);
}
//Return OK.
SendData.AddRange(Acknowledge(UseLogicalNameReferencing ? Command.SetResponse : Command.WriteResponse, 0));
return SendData[FrameIndex];
}
}
}
else if (command == (int)Command.SetRequest)
{
int attributeIndex = 0;
object value = null;
ObjectType type;
int selector;
GetCommand(command, allData, out type, names, out attributeIndex, out selector, out value);
item = Items.FindByLN(type, names[0].ToString());
if (item != null)
{
//If write is denied.
AccessMode acc = item.GetAccess(attributeIndex);
if (acc == AccessMode.NoAccess || acc == AccessMode.Read ||
acc == AccessMode.AuthenticatedRead)
{
SendData.AddRange(ServerReportError((Command)command, 3));
return SendData[FrameIndex];
}
if (value is byte[])
{
DataType tp = item.GetUIDataType(attributeIndex);
if (tp != DataType.None)
{
value = GXDLMSClient.ChangeType((byte[])value, tp);
}
}
ValueEventArgs e = new ValueEventArgs(item, attributeIndex, selector);
e.Value = value;
Write(e);
if (!e.Handled)
{
(item as IGXDLMSBase).SetValue(attributeIndex, value);
}
//Return OK.
SendData.AddRange(Acknowledge(UseLogicalNameReferencing ? Command.SetResponse : Command.WriteResponse, 0));
return SendData[FrameIndex];
}
}
else if (command == (int)Command.ReadRequest && !UseLogicalNameReferencing)
{
ObjectType type;
int attributeIndex;
object value;
int selector;
GetCommand(command, allData, out type, names, out attributeIndex, out selector, out value);
ushort sn = Convert.ToUInt16(names[0]);
foreach (var it in SortedItems)
{
int aCnt = (it.Value as IGXDLMSBase).GetAttributeCount();
if (sn >= it.Key && sn <= (it.Key + (8 * aCnt)))
{
item = it.Value;
attributeIndex = ((sn - item.ShortName) / 8) + 1;
System.Diagnostics.Debug.WriteLine(string.Format("Reading {0}, attribute index {1}", item.Name, attributeIndex));
ValueEventArgs e = new ValueEventArgs(item, attributeIndex, selector);
e.Value = value;
Read(e);
if (e.Handled)
{
Gurux.DLMS.DataType tp = Gurux.DLMS.Internal.GXCommon.GetValueType(e.Value);
SendData.AddRange(ReadReply(names[0], type, attributeIndex, e.Value, tp));
return SendData[FrameIndex];
}
if (item != null)
{
return GetValue(names[0], item, attributeIndex, selector, value);
}
}
//If action.
else if (sn >= it.Key + aCnt && (it.Value as IGXDLMSBase).GetMethodCount() != 0)
{
//Convert DLMS data to object type.
int value2 = 0, count = 0;
GXDLMS.GetActionInfo(it.Value.ObjectType, out value2, out count);
if (sn <= it.Key + value2 + (8 * count))//If action
{
item = it.Value;
attributeIndex = ((sn - item.ShortName - value2) / 8) + 1;
ValueEventArgs e = new ValueEventArgs(item, attributeIndex, selector);
System.Diagnostics.Debug.WriteLine(string.Format("Action on {0}, attribute index {1}", item.ShortName, attributeIndex));
e.Value = value;
Action(e);
if (!e.Handled)
{
byte[][] reply = (item as IGXDLMSBase).Invoke(this, attributeIndex, e.Value);
if (reply != null)
{
SendData.AddRange(reply);
return SendData[FrameIndex];
}
}
SendData.AddRange(Acknowledge(Command.MethodResponse, 0));
return SendData[FrameIndex];
}
}
}
throw new ArgumentOutOfRangeException();
}
else if (command == (int)Command.GetRequest && UseLogicalNameReferencing)
{
ObjectType type;
int index;
object parameter;
int selector;
GetCommand(command, allData, out type, names, out index, out selector, out parameter);
System.Diagnostics.Debug.WriteLine(string.Format("Reading {0}, attribute index {1}", names[0], index));
item = Items.FindByLN(type, names[0].ToString());
if (item != null)
{
ValueEventArgs e = new ValueEventArgs(item, index, selector);
Read(e);
if (e.Handled)
{
Gurux.DLMS.DataType tp = Gurux.DLMS.Internal.GXCommon.GetValueType(e.Value);
SendData.AddRange(ReadReply(names[0], type, index, e.Value, tp));
return SendData[FrameIndex];
}
return GetValue(names[0], item, index, selector, parameter);
}
}
else if (command == (int)Command.MethodRequest)
{
ObjectType type;
int index;
object parameter;
int selector;
GetCommand(command, allData, out type, names, out index, out selector, out parameter);
item = Items.FindByLN(type, names[0].ToString());
if (item != null)
{
System.Diagnostics.Debug.WriteLine(string.Format("Action on {0}, attribute index {1}", names[0], index));
ValueEventArgs e = new ValueEventArgs(item, index, selector);
e.Value = parameter;
Action(e);
if (!e.Handled && item is IGXDLMSBase)
{
byte[][] reply = (item as IGXDLMSBase).Invoke(this, index, e.Value);
if (reply != null)
{
SendData.AddRange(reply);
return SendData[FrameIndex];
}
}
SendData.AddRange(Acknowledge(Command.MethodResponse, 0));
return SendData[FrameIndex];
}
}
//Return HW error.
SendData.AddRange(ServerReportError((Command) command, 1));
return SendData[FrameIndex];
}
catch(Exception ex)
{
//Return HW error.
ReceivedFrame.Clear();
SendData.AddRange(ServerReportError((Command) command, 1));
return SendData[FrameIndex];
}
}
}
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;
}
/// <summary> /// Write selected item. /// </summary> /// <param name="e"></param> abstract public void Write(ValueEventArgs e);
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;
}
}
}
