private async void DoWork()
{
//Give some time DB server to start up.
Thread.Sleep(1000);
GetNextTaskResponse ret = null;
System.Net.Http.HttpResponseMessage response;
_logger.LogInformation("Reader Service is started.");
while (!_cancellationToken.IsCancellationRequested)
{
try
{
using (response = await client.PostAsJsonAsync(Startup.ServerAddress + "/api/task/GetNextTask", new GetNextTask()))
{
Helpers.CheckStatus(response);
ret = await response.Content.ReadAsAsync <GetNextTaskResponse>();
}
if (ret.Tasks != null)
{
int pos = 0;
GXDevice dev;
GXDLMSSecureClient cl;
using (response = await client.PostAsJsonAsync(Startup.ServerAddress + "/api/device/ListDevices", new ListDevices()
{
Ids = new[] { ret.Tasks[0].Object.DeviceId }
}))
{
Helpers.CheckStatus(response);
ListDevicesResponse r = await response.Content.ReadAsAsync <ListDevicesResponse>();
if (r.Devices == null || r.Devices.Length == 0)
{
continue;
}
dev = r.Devices[0];
}
IGXMedia media;
if (string.Compare(dev.MediaType, typeof(GXNet).FullName, true) == 0)
{
media = new GXNet();
}
else if (string.Compare(dev.MediaType, typeof(GXSerial).FullName, true) == 0)
{
media = new GXSerial();
}
else if (string.Compare(dev.MediaType, typeof(GXTerminal).FullName, true) == 0)
{
media = new GXTerminal();
}
else
{
Type type = Type.GetType(dev.MediaType);
if (type == null)
{
string ns = "";
pos = dev.MediaType.LastIndexOf('.');
if (pos != -1)
{
ns = dev.MediaType.Substring(0, pos);
}
foreach (Assembly assembly in AppDomain.CurrentDomain.GetAssemblies())
{
if (assembly.GetName().Name == ns)
{
if (assembly.GetType(dev.MediaType, false, true) != null)
{
type = assembly.GetType(dev.MediaType);
}
}
}
}
if (type == null)
{
throw new Exception("Invalid media type: " + dev.MediaType);
}
media = (IGXMedia)Activator.CreateInstance(type);
}
if (media == null)
{
throw new Exception("Unknown media type '" + dev.MediaType + "'.");
}
media.Settings = dev.MediaSettings;
int deviceAddress;
if (dev.HDLCAddressing == ManufacturerSettings.HDLCAddressType.SerialNumber)
{
deviceAddress = GXDLMSClient.GetServerAddressFromSerialNumber(dev.PhysicalAddress, dev.LogicalAddress);
}
else
{
if (dev.LogicalAddress != 0 &&
(dev.InterfaceType == InterfaceType.HDLC || dev.InterfaceType == InterfaceType.HdlcWithModeE))
{
deviceAddress = GXDLMSClient.GetServerAddress(dev.LogicalAddress, dev.PhysicalAddress);
}
else
{
deviceAddress = dev.PhysicalAddress;
}
}
TraceLevel trace = _traceLevel;
if (dev.TraceLevel > trace)
{
trace = dev.TraceLevel;
}
UInt64 devId = 0;
if (dev.TraceLevel != TraceLevel.Off)
{
devId = dev.Id;
}
GXDLMSReader reader;
//Read frame counter from the meter.
if (dev.Security != 0)
{
cl = new GXDLMSSecureClient(dev.UseLogicalNameReferencing, 16, deviceAddress,
Authentication.None, null, (InterfaceType)dev.InterfaceType);
reader = new GXDLMSReader(cl, media, _logger, trace, dev.WaitTime, dev.ResendCount, devId);
media.Open();
reader.InitializeConnection();
//Read Innovation counter.
GXDLMSData d = new GXDLMSData(dev.FrameCounter);
reader.Read(d, 2);
dev.InvocationCounter = 1 + Convert.ToUInt32(d.Value);
reader.Disconnect();
media.Close();
}
cl = new GXDLMSSecureClient(dev.UseLogicalNameReferencing, dev.ClientAddress, deviceAddress,
(Authentication)dev.Authentication, dev.Password, (InterfaceType)dev.InterfaceType);
if (dev.HexPassword != null && dev.HexPassword.Length != 0)
{
cl.Password = dev.HexPassword;
}
cl.UseUtc2NormalTime = dev.UtcTimeZone;
cl.Standard = dev.Standard;
cl.Ciphering.SystemTitle = GXCommon.HexToBytes(dev.ClientSystemTitle);
if (cl.Ciphering.SystemTitle != null && cl.Ciphering.SystemTitle.Length == 0)
{
cl.Ciphering.SystemTitle = null;
}
cl.Ciphering.BlockCipherKey = GXCommon.HexToBytes(dev.BlockCipherKey);
if (cl.Ciphering.BlockCipherKey != null && cl.Ciphering.BlockCipherKey.Length == 0)
{
cl.Ciphering.BlockCipherKey = null;
}
cl.Ciphering.AuthenticationKey = GXCommon.HexToBytes(dev.AuthenticationKey);
if (cl.Ciphering.AuthenticationKey != null && cl.Ciphering.AuthenticationKey.Length == 0)
{
cl.Ciphering.AuthenticationKey = null;
}
cl.ServerSystemTitle = GXCommon.HexToBytes(dev.DeviceSystemTitle);
if (cl.ServerSystemTitle != null && cl.ServerSystemTitle.Length == 0)
{
cl.ServerSystemTitle = null;
}
cl.Ciphering.InvocationCounter = dev.InvocationCounter;
cl.Ciphering.Security = dev.Security;
reader = new GXDLMSReader(cl, media, _logger, trace, dev.WaitTime, dev.ResendCount, devId);
media.Open();
reader.InitializeConnection();
pos = 0;
int count = ret.Tasks.Length;
foreach (GXTask task in ret.Tasks)
{
++pos;
try
{
GXDLMSObject obj = GXDLMSClient.CreateObject((ObjectType)task.Object.ObjectType);
obj.Version = task.Object.Version;
obj.LogicalName = task.Object.LogicalName;
obj.ShortName = task.Object.ShortName;
if (task.TaskType == TaskType.Write)
{
if (obj.LogicalName == "0.0.1.1.0.255" && task.Index == 2)
{
cl.UpdateValue(obj, task.Index, GXDateTime.ToUnixTime(DateTime.UtcNow));
}
else
{
cl.UpdateValue(obj, task.Index, GXDLMSTranslator.XmlToValue(task.Data));
}
reader.Write(obj, task.Index);
}
else if (task.TaskType == TaskType.Action)
{
reader.Method(obj, task.Index, GXDLMSTranslator.XmlToValue(task.Data), DataType.None);
}
else if (task.TaskType == TaskType.Read)
{
//Reading the meter.
if (task.Object.Attributes[0].DataType != 0)
{
obj.SetDataType(task.Index, (DataType)task.Object.Attributes[0].DataType);
}
if (task.Object.Attributes[0].UIDataType != 0)
{
obj.SetUIDataType(task.Index, (DataType)task.Object.Attributes[0].UIDataType);
}
Reader.Read(_logger, client, reader, task, obj);
if (task.Object.Attributes[0].DataType == 0)
{
task.Object.Attributes[0].DataType = (int)obj.GetDataType(task.Index);
if (task.Object.Attributes[0].UIDataType == 0)
{
task.Object.Attributes[0].UIDataType = (int)obj.GetUIDataType(task.Index);
}
UpdateDatatype u = new UpdateDatatype()
{
Items = new GXAttribute[] { task.Object.Attributes[0] }
};
response = client.PostAsJsonAsync(Startup.ServerAddress + "/api/Object/UpdateDatatype", u).Result;
Helpers.CheckStatus(response);
}
}
}
catch (Exception ex)
{
task.Result = ex.Message;
AddError error = new AddError();
error.Error = new GXError()
{
DeviceId = dev.Id,
Error = "Failed to " + task.TaskType + " " + task.Object.LogicalName + ":" + task.Index + ". " + ex.Message
};
_logger.LogError(error.Error.Error);
using (response = await client.PostAsJsonAsync(Startup.ServerAddress + "/api/error/AddError", error))
{
Helpers.CheckStatus(response);
await response.Content.ReadAsAsync <AddErrorResponse>();
}
}
task.End = DateTime.Now;
//Close connection after last task is executed.
//This must done because there might be new task to execute.
if (count == pos)
{
try
{
reader.Close();
}
catch (Exception ex)
{
task.Result = ex.Message;
AddError error = new AddError();
error.Error = new GXError()
{
DeviceId = dev.Id,
Error = "Failed to close the connection. " + ex.Message
};
_logger.LogError(error.Error.Error);
using (response = await client.PostAsJsonAsync(Startup.ServerAddress + "/api/error/AddError", error))
{
Helpers.CheckStatus(response);
await response.Content.ReadAsAsync <AddErrorResponse>();
}
}
}
//Update execution time.
response = client.PostAsJsonAsync(Startup.ServerAddress + "/api/task/TaskReady", new TaskReady()
{
Tasks = new GXTask[] { task }
}).Result;
Helpers.CheckStatus(response);
}
}
else
{
try
{
using (response = await client.PostAsJsonAsync(Startup.ServerAddress + "/api/task/WaitChange", new WaitChange()
{
Change = TargetType.Tasks, Time = lastUpdated, WaitTime = _waitTime
}))
{
Helpers.CheckStatus(response);
{
WaitChangeResponse r = await response.Content.ReadAsAsync <WaitChangeResponse>();
if (r.Time > lastUpdated)
{
lastUpdated = r.Time;
}
}
}
}
catch (Exception)
{
if (!_cancellationToken.IsCancellationRequested)
{
break;
}
_cancellationToken.WaitHandle.WaitOne(TimeSpan.FromSeconds(10));
}
}
}
catch (Exception ex)
{
//If app is closing.
if (_cancellationToken.IsCancellationRequested)
{
break;
}
if (ret == null)
{
_logger.LogError("Failed to connect to the DB server.");
}
else
{
AddError error = new AddError();
error.Error = new GXError()
{
DeviceId = ret.Tasks[0].Object.DeviceId,
Error = "Failed to " + ret.Tasks[0].TaskType + " " + ret.Tasks[0].Object.LogicalName + ":" + ret.Tasks[0].Index + ". " + ex.Message
};
using (response = await client.PostAsJsonAsync(Startup.ServerAddress + "/api/error/AddError", error))
{
if (ret.Tasks != null)
{
DateTime now = DateTime.Now;
foreach (GXTask it in ret.Tasks)
{
it.Result = ex.Message;
it.End = now;
}
response = await client.PostAsJsonAsync(Startup.ServerAddress + "/api/task/TaskReady", new TaskReady()
{
Tasks = ret.Tasks
});
}
}
}
_logger.LogError(ex.Message);
}
}
}
public static int GetParameters(string[] args, Settings settings)
{
GXSerial serial;
//Has user give the custom serial port settings or are the default values used in mode E.
bool modeEDefaultValues = true;
string[] tmp;
List <GXCmdParameter> parameters = GXCommon.GetParameters(args, "h:p:c:s:r:i:It:a:P:g:S:C:n:v:o:T:A:B:D:d:l:F:m:");
GXNet net = null;
foreach (GXCmdParameter it in parameters)
{
switch (it.Tag)
{
case 'r':
if (string.Compare(it.Value, "sn", true) == 0)
{
settings.client.UseLogicalNameReferencing = false;
}
else if (string.Compare(it.Value, "ln", true) == 0)
{
settings.client.UseLogicalNameReferencing = true;
}
else
{
throw new ArgumentException("Invalid reference option.");
}
break;
case 'h':
//Host address.
if (settings.media == null)
{
settings.media = new GXNet();
}
net = settings.media as GXNet;
net.HostName = it.Value;
break;
case 't':
//Trace.
try
{
settings.trace = (TraceLevel)Enum.Parse(typeof(TraceLevel), it.Value);
}
catch (Exception)
{
throw new ArgumentException("Invalid trace level option. (Error, Warning, Info, Verbose, Off)");
}
break;
case 'p':
//Port.
if (settings.media == null)
{
settings.media = new GXNet();
}
net = settings.media as GXNet;
net.Port = int.Parse(it.Value);
break;
case 'P': //Password
settings.client.Password = ASCIIEncoding.ASCII.GetBytes(it.Value);
break;
case 'i':
try
{
settings.client.InterfaceType = (InterfaceType)Enum.Parse(typeof(InterfaceType), it.Value);
settings.client.Plc.Reset();
if (modeEDefaultValues && settings.client.InterfaceType == InterfaceType.HdlcWithModeE &&
settings.media is GXSerial)
{
serial = settings.media as GXSerial;
serial.BaudRate = 300;
serial.DataBits = 7;
serial.Parity = Parity.Even;
serial.StopBits = StopBits.One;
}
}
catch (Exception)
{
throw new ArgumentException("Invalid interface type option. (HDLC, WRAPPER, HdlcWithModeE, Plc, PlcHdlc)");
}
break;
case 'I':
//AutoIncreaseInvokeID.
settings.client.AutoIncreaseInvokeID = true;
break;
case 'v':
settings.invocationCounter = it.Value.Trim();
Objects.GXDLMSObject.ValidateLogicalName(settings.invocationCounter);
break;
case 'g':
//Get (read) selected objects.
foreach (string o in it.Value.Split(new char[] { ';', ',' }))
{
tmp = o.Split(new char[] { ':' });
if (tmp.Length != 2)
{
throw new ArgumentOutOfRangeException("Invalid Logical name or attribute index.");
}
settings.readObjects.Add(new KeyValuePair <string, int>(tmp[0].Trim(), int.Parse(tmp[1].Trim())));
}
break;
case 'S': //Serial Port
settings.media = new GXSerial();
serial = settings.media as GXSerial;
tmp = it.Value.Split(':');
serial.PortName = tmp[0];
if (tmp.Length > 1)
{
modeEDefaultValues = false;
serial.BaudRate = int.Parse(tmp[1]);
serial.DataBits = int.Parse(tmp[2].Substring(0, 1));
serial.Parity = (Parity)Enum.Parse(typeof(Parity), tmp[2].Substring(1, tmp[2].Length - 2));
serial.StopBits = (StopBits)int.Parse(tmp[2].Substring(tmp[2].Length - 1, 1));
}
else
{
if (settings.client.InterfaceType == InterfaceType.HdlcWithModeE)
{
serial.BaudRate = 300;
serial.DataBits = 7;
serial.Parity = Parity.Even;
serial.StopBits = StopBits.One;
}
else
{
serial.BaudRate = 9600;
serial.DataBits = 8;
serial.Parity = Parity.None;
serial.StopBits = StopBits.One;
}
}
break;
case 'a':
try
{
if (string.Compare("None", it.Value, true) == 0)
{
settings.client.Authentication = Authentication.None;
}
else if (string.Compare("Low", it.Value, true) == 0)
{
settings.client.Authentication = Authentication.Low;
}
else if (string.Compare("High", it.Value, true) == 0)
{
settings.client.Authentication = Authentication.High;
}
else if (string.Compare("HighMd5", it.Value, true) == 0)
{
settings.client.Authentication = Authentication.HighMD5;
}
else if (string.Compare("HighSha1", it.Value, true) == 0)
{
settings.client.Authentication = Authentication.HighSHA1;
}
else if (string.Compare("HighSha256", it.Value, true) == 0)
{
settings.client.Authentication = Authentication.HighSHA256;
}
else if (string.Compare("HighGMac", it.Value, true) == 0)
{
settings.client.Authentication = Authentication.HighGMAC;
}
else if (string.Compare("HighECDSA", it.Value, true) == 0)
{
settings.client.Authentication = Authentication.HighECDSA;
}
else
{
throw new ArgumentException("Invalid Authentication option: '" + it.Value + "'. (None, Low, High, HighMd5, HighSha1, HighGMac, HighSha256)");
}
}
catch (Exception)
{
throw new ArgumentException("Invalid Authentication option: '" + it.Value + "'. (None, Low, High, HighMd5, HighSha1, HighGMac, HighSha256)");
}
break;
case 'C':
try
{
settings.client.Ciphering.Security = (Security)Enum.Parse(typeof(Security), it.Value);
}
catch (Exception)
{
throw new ArgumentException("Invalid Ciphering option '" + it.Value + "'. (None, Authentication, Encryption, AuthenticationEncryption)");
}
break;
case 'T':
settings.client.Ciphering.SystemTitle = GXCommon.HexToBytes(it.Value);
break;
case 'A':
settings.client.Ciphering.AuthenticationKey = GXCommon.HexToBytes(it.Value);
break;
case 'B':
settings.client.Ciphering.BlockCipherKey = GXCommon.HexToBytes(it.Value);
break;
case 'D':
settings.client.Ciphering.DedicatedKey = GXCommon.HexToBytes(it.Value);
break;
case 'F':
settings.client.Ciphering.InvocationCounter = UInt32.Parse(it.Value.Trim());
break;
case 'o':
settings.outputFile = it.Value;
break;
case 'd':
try
{
settings.client.Standard = (Standard)Enum.Parse(typeof(Standard), it.Value);
if (settings.client.Standard == Standard.Italy || settings.client.Standard == Standard.India || settings.client.Standard == Standard.SaudiArabia)
{
settings.client.UseUtc2NormalTime = true;
}
}
catch (Exception)
{
throw new ArgumentException("Invalid DLMS standard option '" + it.Value + "'. (DLMS, India, Italy, SaudiArabia, IDIS)");
}
break;
case 'c':
settings.client.ClientAddress = int.Parse(it.Value);
break;
case 's':
if (settings.client.ServerAddress != 1)
{
settings.client.ServerAddress = GXDLMSClient.GetServerAddress(settings.client.ServerAddress, int.Parse(it.Value));
}
else
{
settings.client.ServerAddress = int.Parse(it.Value);
}
break;
case 'l':
settings.client.ServerAddress = GXDLMSClient.GetServerAddress(int.Parse(it.Value), settings.client.ServerAddress);
break;
case 'n':
settings.client.ServerAddress = GXDLMSClient.GetServerAddressFromSerialNumber(int.Parse(it.Value), 1);
break;
case 'm':
settings.client.Plc.MacDestinationAddress = UInt16.Parse(it.Value);
break;
case '?':
switch (it.Tag)
{
case 'c':
throw new ArgumentException("Missing mandatory client option.");
case 's':
throw new ArgumentException("Missing mandatory server option.");
case 'h':
throw new ArgumentException("Missing mandatory host name option.");
case 'p':
throw new ArgumentException("Missing mandatory port option.");
case 'r':
throw new ArgumentException("Missing mandatory reference option.");
case 'a':
throw new ArgumentException("Missing mandatory authentication option.");
case 'S':
throw new ArgumentException("Missing mandatory Serial port option.");
case 't':
throw new ArgumentException("Missing mandatory trace option.");
case 'g':
throw new ArgumentException("Missing mandatory OBIS code option.");
case 'C':
throw new ArgumentException("Missing mandatory Ciphering option.");
case 'v':
throw new ArgumentException("Missing mandatory invocation counter logical name option.");
case 'T':
throw new ArgumentException("Missing mandatory system title option.");
case 'A':
throw new ArgumentException("Missing mandatory authentication key option.");
case 'B':
throw new ArgumentException("Missing mandatory block cipher key option.");
case 'D':
throw new ArgumentException("Missing mandatory dedicated key option.");
case 'F':
throw new ArgumentException("Missing mandatory frame counter option.");
case 'd':
throw new ArgumentException("Missing mandatory DLMS standard option.");
case 'K':
throw new ArgumentException("Missing mandatory private key file option.");
case 'k':
throw new ArgumentException("Missing mandatory public key file option.");
case 'l':
throw new ArgumentException("Missing mandatory logical server address option.");
case 'm':
throw new ArgumentException("Missing mandatory MAC destination address option.");
case 'i':
throw new ArgumentException("Missing mandatory interface type option.");
default:
ShowHelp();
return(1);
}
default:
ShowHelp();
return(1);
}
}
if (settings.media == null)
{
ShowHelp();
return(1);
}
return(0);
}
