/// <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);
}
/// <summary>
/// Read DLMS Data from the device.
/// </summary>
/// <param name="data">Data to send.</param>
/// <returns>Received data.</returns>
public void ReadDLMSPacket(byte[] data, GXReplyData reply)
{
if (data == null && !reply.IsStreaming())
{
return;
}
GXReplyData notify = new GXReplyData();
reply.Error = 0;
object eop = (byte)0x7E;
//In network connection terminator is not used.
if (Client.InterfaceType == InterfaceType.WRAPPER && Media is GXNet)
{
eop = null;
}
int pos = 0;
bool succeeded = false;
ReceiveParameters <byte[]> p = new ReceiveParameters <byte[]>()
{
Eop = eop,
WaitTime = WaitTime,
};
if (eop == null)
{
p.Count = 8;
}
else
{
p.Count = 5;
}
GXByteBuffer rd = new GXByteBuffer();
lock (Media.Synchronous)
{
while (!succeeded && pos != 3)
{
if (!reply.IsStreaming())
{
WriteTrace("TX:\t" + DateTime.Now.ToLongTimeString() + "\t" + GXCommon.ToHex(data, true));
Media.Send(data, null);
}
succeeded = Media.Receive(p);
if (!succeeded)
{
if (++pos >= RetryCount)
{
throw new Exception("Failed to receive reply from the device in given time.");
}
//If Eop is not set read one byte at time.
if (p.Eop == null)
{
p.Count = 1;
}
//Try to read again...
System.Diagnostics.Debug.WriteLine("Data send failed. Try to resend " + pos.ToString() + "/3");
}
}
rd = new GXByteBuffer(p.Reply);
try
{
pos = 0;
//Loop until whole COSEM packet is received.
while (!Client.GetData(rd, reply, notify))
{
p.Reply = null;
if (notify.Data.Data != null)
{
//Handle notify.
if (!notify.IsMoreData)
{
//Show received push message as XML.
string xml;
GXDLMSTranslator t = new GXDLMSTranslator(TranslatorOutputType.SimpleXml);
t.DataToXml(notify.Data, out xml);
Console.WriteLine(xml);
notify.Clear();
}
continue;
}
else if (p.Eop == null)
{
p.Count = Client.GetFrameSize(rd);
}
while (!Media.Receive(p))
{
if (++pos >= RetryCount)
{
throw new Exception("Failed to receive reply from the device in given time.");
}
//If echo.
if (rd == null || rd.Size == data.Length)
{
Media.Send(data, null);
}
//Try to read again...
System.Diagnostics.Debug.WriteLine("Data send failed. Try to resend " + pos.ToString() + "/3");
}
rd.Set(p.Reply);
}
}
catch (Exception ex)
{
WriteTrace("RX:\t" + DateTime.Now.ToLongTimeString() + "\t" + rd);
throw ex;
}
}
WriteTrace("RX:\t" + DateTime.Now.ToLongTimeString() + "\t" + rd);
if (reply.Error != 0)
{
if (reply.Error == (short)ErrorCode.Rejected)
{
Thread.Sleep(1000);
ReadDLMSPacket(data, reply);
}
}
}
/// <summary>
/// Execute basic tests.
/// </summary>
/// <param name="settings">Settings.</param>
/// <param name="output">Generated output.</param>
public static bool Basic(GXSettings settings, GXOutput output)
{
Reader.GXDLMSReader reader = new Reader.GXDLMSReader(settings.client, settings.media, settings.trace, settings.iec);
reader.WaitTime = settings.WaitTime;
try
{
settings.media.Open();
}
catch (System.Net.Sockets.SocketException e)
{
//If failed to make connection to the meter.
output.Errors.Add("Failed to connect to the meter: " + e.Message);
output.MakeReport();
return(false);
}
if (settings.trace > TraceLevel.Error)
{
Console.WriteLine("------------------------------------------------------------");
Console.WriteLine("Initialize connection.");
}
reader.InitializeConnection();
if (settings.trace > TraceLevel.Error)
{
Console.WriteLine("Get association view.");
}
reader.GetAssociationView(false);
if (settings.client.UseLogicalNameReferencing)
{
output.PreInfo.Add("Testing using Logical Name referencing.");
}
else
{
output.PreInfo.Add("Testing using Short Name referencing.");
}
output.PreInfo.Add("Authentication level: " + settings.client.Authentication);
output.PreInfo.Add("Total amount of objects: " + settings.client.Objects.Count.ToString());
if (settings.client.UseLogicalNameReferencing)
{
if (settings.trace > TraceLevel.Error)
{
Console.WriteLine("Finding Logical Device Name and SAP.");
}
GXDLMSObject ldn = settings.client.Objects.FindByLN(ObjectType.None, "0.0.42.0.0.255");
GXDLMSObjectCollection saps = settings.client.Objects.GetObjects(ObjectType.SapAssignment);
if (ldn == null && saps.Count == 0)
{
output.Errors.Add("Logical Device Name or SAP is not implemented. Read more: GB: 4.1.8.4.");
}
if (settings.trace > TraceLevel.Error)
{
if (ldn != null)
{
reader.Read(ldn, 2);
output.PreInfo.Add("Meter Logical Device Name is: " + (ldn as GXDLMSData).Value.ToString() + ".");
}
if (saps.Count != 0)
{
output.PreInfo.Add("SAP is not implemented.");
}
}
}
//Check OBIS codes.
foreach (GXDLMSObject it in settings.client.Objects)
{
if (it.Description == "Invalid")
{
output.Errors.Add("Invalid OBIS code " + it.LogicalName + " for <a target=\"_blank\" href=http://www.gurux.fi/" + it.GetType().FullName + ">" + it.ObjectType + "</a>.");
if (settings.trace > TraceLevel.Warning)
{
Console.WriteLine("------------------------------------------------------------");
Console.WriteLine(it.LogicalName + ": Invalid OBIS code.");
}
}
}
//Read structures of Cosem objects.
List <KeyValuePair <string, List <GXDLMSXmlPdu> > > cosemTests = new List <KeyValuePair <string, List <GXDLMSXmlPdu> > >();
GXDLMSTranslator translator = new GXDLMSTranslator(TranslatorOutputType.SimpleXml);
foreach (string it in GetTests())
{
using (Stream stream = typeof(Program).Assembly.GetManifestResourceStream(it))
using (StreamReader sr = new StreamReader(stream))
{
XmlDocument doc = new XmlDocument();
doc.LoadXml(sr.ReadToEnd());
XmlNodeList list = doc.SelectNodes("/Messages/GetRequest/GetRequestNormal");
ObjectType ot = ObjectType.None;
foreach (XmlNode node in list)
{
ot = (ObjectType)int.Parse(node.SelectNodes("AttributeDescriptor/ClassId")[0].Attributes["Value"].Value);
//If this object type is skipped.
if (settings.excludedObjects.Contains(ot))
{
output.Info.Add("Skipping " + ot.ToString() + " object types.");
break;
}
int index = int.Parse(node.SelectNodes("AttributeDescriptor/AttributeId")[0].Attributes["Value"].Value);
//Update logical name.
foreach (GXDLMSObject obj in settings.client.Objects.GetObjects(ot))
{
if ((obj.GetAccess(index) & AccessMode.Read) != 0)
{
string tmp = GXCommon.ToHex(LogicalNameToBytes(obj.LogicalName), false);
foreach (XmlNode n in list)
{
XmlAttribute ln = n.SelectNodes("AttributeDescriptor/InstanceId")[0].Attributes["Value"];
ln.Value = tmp;
}
cosemTests.Add(new KeyValuePair <string, List <GXDLMSXmlPdu> >(ot.ToString(), settings.client.LoadXml(doc.InnerXml)));
}
}
break;
}
}
}
foreach (KeyValuePair <string, List <GXDLMSXmlPdu> > it in cosemTests)
{
try
{
Execute(settings, reader, it.Key, it.Value, output);
}
catch (Exception ex)
{
if (settings.trace > TraceLevel.Off)
{
Console.WriteLine("++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++");
Console.WriteLine(ex.Message);
}
}
}
List <ObjectType> unknownDataTypes = new List <ObjectType>();
foreach (GXDLMSObject o in settings.client.Objects)
{
if (!unknownDataTypes.Contains(o.ObjectType))
{
bool found = false;
foreach (KeyValuePair <string, List <GXDLMSXmlPdu> > t in cosemTests)
{
if (o.ObjectType.ToString() == t.Key)
{
found = true;
break;
}
}
if (!found)
{
unknownDataTypes.Add(o.ObjectType);
output.Warnings.Add("<a target=\"_blank\" href=http://www.gurux.fi/" + o.GetType().FullName + ">" + o.ObjectType + "</a> is not tested.");
}
}
}
//Check InactivityTimeout.
bool fail = false;
int rc = reader.RetryCount;
int wt = reader.WaitTime;
int inactivityTimeout;
if (settings.client.InterfaceType == InterfaceType.HDLC)
{
GXDLMSHdlcSetup s = (GXDLMSHdlcSetup)settings.client.Objects.GetObjects(ObjectType.IecHdlcSetup)[0];
s.InactivityTimeout = 0;
reader.Read(s, 8);
inactivityTimeout = s.InactivityTimeout;
output.PreInfo.Add("HdlcSetup default inactivity timeout value is " + inactivityTimeout + " seconds.");
if ((s.GetAccess(8) & AccessMode.Write) != 0)
{
//Wait second.
s.InactivityTimeout = 1;
reader.Write(s, 8);
Thread.Sleep(2000);
try
{
reader.WaitTime = 1000;
reader.RetryCount = 0;
reader.Read(s, 8);
}
catch (Exception)
{
//This should fails.
fail = true;
}
reader.InitializeConnection();
s.InactivityTimeout = inactivityTimeout;
reader.Write(s, 8);
if (!fail)
{
output.Errors.Add("HdlcSetup failed. InactivityTimeout don't work.");
}
}
else
{
output.PreInfo.Add("HdlcSetup inactivity timeout is not tested.");
}
}
else
{
GXDLMSTcpUdpSetup s = (GXDLMSTcpUdpSetup)settings.client.Objects.GetObjects(ObjectType.TcpUdpSetup)[0];
s.InactivityTimeout = 0;
reader.Read(s, 6);
inactivityTimeout = s.InactivityTimeout;
output.PreInfo.Add("TcpUdpSetup default inactivity timeout value is " + inactivityTimeout + " seconds.");
if ((s.GetAccess(6) & AccessMode.Write) != 0)
{
//Wait second.
s.InactivityTimeout = 1;
reader.Write(s, 6);
Thread.Sleep(2000);
try
{
reader.WaitTime = 1000;
reader.RetryCount = 0;
reader.Read(s, 6);
}
catch (Exception)
{
//This should fails.
fail = true;
}
reader.InitializeConnection();
s.InactivityTimeout = inactivityTimeout;
reader.Write(s, 6);
if (!fail)
{
output.Errors.Add("TcpUdpSetup failed. InactivityTimeout don't work.");
}
}
else
{
output.PreInfo.Add("TcpUdpSetup inactivity timeout is not tested.");
}
}
reader.WaitTime = wt;
reader.RetryCount = rc;
output.MakeReport();
return(true);
}
/// <summary>
/// Read all objects from the meter.
/// </summary>
/// <remarks>
/// It's not normal to read all data from the meter. This is just an example.
/// </remarks>
public void GetReadOut()
{
foreach (GXDLMSObject it in Client.Objects)
{
// Profile generics are read later because they are special cases.
// (There might be so lots of data and we so not want waste time to read all the data.)
if (it is GXDLMSProfileGeneric)
{
continue;
}
if (!(it is IGXDLMSBase))
{
//If interface is not implemented.
//Example manufacturer spesific interface.
if (Trace > TraceLevel.Error)
{
Console.WriteLine("Unknown Interface: " + it.ObjectType.ToString());
}
continue;
}
if (Trace > TraceLevel.Warning)
{
Console.WriteLine("-------- Reading " + it.GetType().Name + " " + it.Name + " " + it.Description);
}
foreach (int pos in (it as IGXDLMSBase).GetAttributeIndexToRead(true))
{
try
{
object val = Read(it, pos);
ShowValue(val, pos);
}
catch (Exception ex)
{
Console.WriteLine("Error! Index: " + pos + " " + ex.Message);
}
}
}
//Find profile generics and read them.
foreach (GXDLMSObject it in Client.Objects.GetObjects(ObjectType.ProfileGeneric))
{
//If trace is info.
if (Trace > TraceLevel.Warning)
{
Console.WriteLine("-------- Reading " + it.GetType().Name + " " + it.Name + " " + it.Description);
}
long entriesInUse = Convert.ToInt64(Read(it, 7));
long entries = Convert.ToInt64(Read(it, 8));
//If trace is info.
if (Trace > TraceLevel.Warning)
{
Console.WriteLine("Entries: " + entriesInUse + "/" + entries);
}
//If there are no columns or rows.
if (entriesInUse == 0 || (it as GXDLMSProfileGeneric).CaptureObjects.Count == 0)
{
continue;
}
//All meters are not supporting parameterized read.
if ((Client.NegotiatedConformance & (Gurux.DLMS.Enums.Conformance.ParameterizedAccess | Gurux.DLMS.Enums.Conformance.SelectiveAccess)) != 0)
{
try
{
//Read first row from Profile Generic.
object[] rows = ReadRowsByEntry(it as GXDLMSProfileGeneric, 1, 1);
//If trace is info.
if (Trace > TraceLevel.Warning)
{
StringBuilder sb = new StringBuilder();
foreach (object[] row in rows)
{
foreach (object cell in row)
{
if (cell is byte[])
{
sb.Append(GXCommon.ToHex((byte[])cell, true));
}
else
{
sb.Append(Convert.ToString(cell));
}
sb.Append(" | ");
}
sb.Append("\r\n");
}
}
}
catch (Exception ex)
{
Console.WriteLine("Error! Failed to read first row: " + ex.Message);
//Continue reading.
}
}
//All meters are not supporting parameterized read.
if ((Client.NegotiatedConformance & (Gurux.DLMS.Enums.Conformance.ParameterizedAccess | Gurux.DLMS.Enums.Conformance.SelectiveAccess)) != 0)
{
try
{
//Read last day from Profile Generic.
object[] rows = ReadRowsByRange(it as GXDLMSProfileGeneric, DateTime.Now.Date, DateTime.MaxValue);
//If trace is info.
if (Trace > TraceLevel.Warning)
{
StringBuilder sb = new StringBuilder();
foreach (object[] row in rows)
{
foreach (object cell in row)
{
if (cell is byte[])
{
sb.Append(GXCommon.ToHex((byte[])cell, true));
}
else
{
sb.Append(Convert.ToString(cell));
}
sb.Append(" | ");
}
sb.Append("\r\n");
}
}
}
catch (Exception ex)
{
Console.WriteLine("Error! Failed to read last day: " + ex.Message);
//Continue reading.
}
}
}
}