///<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();
settings.UpdateInvokeId(invokeId);
// 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 == ConnectionState.None && !settings.CanAccess() && (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, GXDLMSConverter.GetDLMSDataType(actionReply), actionReply);
}
else
{
error = e.Error;
//Add return parameters
bb.SetUInt8(0);
}
}
invokeId = (byte)e.InvokeId;
}
GXDLMSLNParameters p = new GXDLMSLNParameters(null, settings, invokeId, Command.MethodResponse, 1, null, bb, (byte)error);
GXDLMS.GetLNPdu(p, replyData);
//If High level authentication fails.
if (obj is GXDLMSAssociationLogicalName && id == 1)
{
if ((obj as GXDLMSAssociationLogicalName).AssociationStatus == Objects.Enums.AssociationStatus.Associated)
{
server.NotifyConnected(connectionInfo);
settings.Connected |= ConnectionState.Dlms;
}
else
{
server.NotifyInvalidConnection(connectionInfo);
settings.Connected &= ~ConnectionState.Dlms;
}
}
}
static public object ChangeType(object value, DataType type, CultureInfo cultureInfo)
{
object ret;
if (type == DataType.OctetString)
{
if (value is byte[])
{
ret = value;
}
else
{
ret = GXDLMSTranslator.HexToBytes((string)value);
}
}
else if (type == DataType.DateTime)
{
if (value is GXDateTime)
{
ret = value;
}
else
{
ret = new GXDateTime((string)value, CultureInfo.InvariantCulture);
}
}
else if (type == DataType.Date)
{
if (value is GXDateTime)
{
ret = value;
}
else
{
ret = new GXDate((string)value, CultureInfo.InvariantCulture);
}
}
else if (type == DataType.Time)
{
if (value is GXDateTime)
{
ret = value;
}
else
{
ret = new GXTime((string)value, CultureInfo.InvariantCulture);
}
}
else if (type == DataType.Enum)
{
if (value is GXEnum)
{
ret = value;
}
else
{
ret = new GXEnum((byte)Convert.ChangeType(value, typeof(byte)));
}
}
else if (type == DataType.Structure || type == DataType.Array)
{
ret = GXDLMSTranslator.XmlToValue((string)value);
}
else if (type == DataType.BitString)
{
ret = new GXBitString((string)value);
}
else if (type == DataType.None && value is string && string.IsNullOrEmpty((string)value))
{
ret = null;
}
else
{
ret = Convert.ChangeType(value, GXDLMSConverter.GetDataType(type), cultureInfo);
}
return(ret);
}
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;
}
public GXDLMSObjectCollection GetObjects()
{
GXLogWriter.WriteLog("--- Collecting objects. ---");
GXReplyData reply = new GXReplyData(){Peek = false};
try
{
ReadDataBlock(client.GetObjectsRequest(), "Collecting objects", 3, reply);
}
catch (Exception Ex)
{
throw new Exception("GetObjects failed. " + Ex.Message);
}
GXDLMSObjectCollection objs = client.ParseObjects(reply.Data, true);
//Update OBIS code description.
GXDLMSConverter c = new GXDLMSConverter();
c.UpdateOBISCodeInformation(objs);
GXLogWriter.WriteLog("--- Collecting " + objs.Count.ToString() + " objects. ---");
return objs;
}
static public object ChangeType(object value, DataType type, CultureInfo cultureInfo)
{
object ret;
if (type == DataType.OctetString)
{
if (value is byte[])
{
ret = value;
}
else
{
ret = GXDLMSTranslator.HexToBytes((string)value);
}
}
else if (type == DataType.DateTime)
{
if (value is GXDateTime)
{
ret = value;
}
else
{
ret = new GXDateTime((string)value, CultureInfo.InvariantCulture);
}
}
else if (type == DataType.Date)
{
if (value is GXDateTime)
{
ret = value;
}
else
{
ret = new GXDate((string)value, CultureInfo.InvariantCulture);
}
}
else if (type == DataType.Time)
{
if (value is GXDateTime)
{
ret = value;
}
else
{
ret = new GXTime((string)value, CultureInfo.InvariantCulture);
}
}
else if (type == DataType.Enum)
{
if (value is GXEnum)
{
ret = value;
}
else
{
ret = new GXEnum((byte)Convert.ChangeType(value, typeof(byte)));
}
}
else
{
ret = Convert.ChangeType(value, GXDLMSConverter.GetDataType(type));
}
return(ret);
}