private bool CheckSnrm(GXDLMSDevice dev, int count, bool reset)
{
if (media.IsOpen)
{
int[] serverAddresses = Properties.Settings.Default.HdlcServerAddresses.Split(',').Select(int.Parse).ToArray();
int[] clientAddresses = Properties.Settings.Default.HdlcClientAddresses.Split(',').Select(int.Parse).ToArray();
BeginInvoke(new ResetProgressEventHandler(OnResetProgress), count * serverAddresses.Length, reset);
StringBuilder sb = new StringBuilder();
bool serverFound = false;
foreach (int server in serverAddresses)
{
BeginInvoke(new IncreaseProgressEventHandler(OnIncreaseProgress));
foreach (int client in clientAddresses)
{
BeginInvoke(new AppendTextEventHandler(OnAppendText),
"Try with server address " + server + " (0x" + server.ToString("X") + ") and client " + client + " (0x" + client.ToString("X") + ")" + Environment.NewLine);
dev.Comm.client.ClientAddress = client;
dev.Comm.client.ServerAddress = server;
byte[] data = dev.Comm.client.SNRMRequest();
GXReplyData reply = new GXReplyData();
try
{
//Accept all data.
dev.Comm.client.ClientAddress = 0;
dev.Comm.client.ServerAddress = 0x7f;
dev.WaitTime = -Properties.Settings.Default.HdlcSearchWaitTime;
dev.Comm.ReadDataBlock(data, "Send SNRM request.", 0, 0, reply);
//Try to establish the connection to the meter.
int logical, physical;
GXDLMSTranslator.GetLogicalAndPhysicalAddress(reply.SourceAddress, out logical, out physical);
dev.Comm.client.ParseUAResponse(reply.Data);
if (serverAddresses[0] != reply.SourceAddress)
{
BeginInvoke(new ChangeAddressEventHandler(OnChangeAddress), reply.SourceAddress, true);
}
serverFound = true;
sb.AppendLine("++++++++++++++++++++++++++++++++++++");
reply.Clear();
dev.Comm.client.ClientAddress = client;
dev.Comm.client.ServerAddress = server;
dev.WaitTime = Properties.Settings.Default.HdlcSearchInitialWaitTime;
data = dev.Comm.client.AARQRequest()[0];
dev.Comm.ReadDataBlock(data, "Send AARQ request.", 0, 0, reply);
try
{
dev.Comm.client.ParseAAREResponse(reply.Data);
}
catch (GXDLMSException ex)
{
sb.AppendLine("Meter returned an exception:");
sb.AppendLine(ex.Message);
if (ex.Result == AssociationResult.PermanentRejected)
{
BeginInvoke(new ChangeAddressEventHandler(OnChangeAddress), clientAddresses[0], false);
}
}
catch (Exception ex)
{
sb.AppendLine("Meter returned an exception:");
sb.AppendLine(ex.Message);
}
if (media is GXSerial)
{
sb.AppendLine("Used baud rate: " + (media as GXSerial).BaudRate);
}
sb.AppendLine("Client address: " + reply.TargetAddress + " (0x" + reply.TargetAddress.ToString("X") + ")");
sb.AppendLine("Server address: " + reply.SourceAddress + " (0x" + reply.SourceAddress.ToString("X") + ")");
sb.Append("Logical address: " + logical + " (0x" + logical.ToString("X") + ") ");
sb.AppendLine("Physical address: " + physical + " (0x" + physical.ToString("X") + ")");
BeginInvoke(new AppendTextEventHandler(OnAppendText), sb.ToString());
try
{
dev.Comm.ReadDataBlock(dev.Comm.client.DisconnectRequest(true), "Send Disconnect request.", 0, 0, reply);
}
catch (Exception)
{
reply.Clear();
}
return(serverFound);
}
catch (TimeoutException)
{
if (serverFound && clientAddresses[0] == reply.TargetAddress)
{
BeginInvoke(new ChangeAddressEventHandler(OnChangeAddress), clientAddresses[0], false);
}
reply.Clear();
}
catch (Exception ex)
{
//If user has close the media.
if (!media.IsOpen)
{
return(true);
}
if (serverFound && clientAddresses[0] == reply.TargetAddress)
{
BeginInvoke(new ChangeAddressEventHandler(OnChangeAddress), clientAddresses[0], false);
}
int logical, physical;
GXDLMSTranslator.GetLogicalAndPhysicalAddress(reply.SourceAddress, out logical, out physical);
sb.AppendLine("Meter returned an exception:");
sb.AppendLine(ex.Message);
sb.AppendLine("Try to change the client address:");
if (media is GXSerial)
{
sb.AppendLine("Used baud rate: " + (media as GXSerial).BaudRate);
}
sb.AppendLine("Client address: " + reply.TargetAddress + " (0x" + reply.TargetAddress.ToString("X") + ")");
sb.AppendLine("Server address: " + reply.SourceAddress + " (0x" + reply.SourceAddress.ToString("X") + ")");
sb.Append("Logical address: " + logical + " (0x" + logical.ToString("X") + ") ");
sb.AppendLine("Physical address: " + physical + " (0x" + physical.ToString("X") + ")");
BeginInvoke(new AppendTextEventHandler(OnAppendText), sb.ToString());
reply.Clear();
try
{
dev.Comm.ReadDataBlock(dev.Comm.client.DisconnectRequest(true), "Send Disconnect request.", 0, 0, reply);
}
catch (Exception)
{
reply.Clear();
}
return(serverFound);
}
if (!media.IsOpen)
{
break;
}
}
}
}
return(false);
}
