/// <summary>
/// Executes the reverse client loop.
/// </summary>
private void ReverseClientExecute()
{
reverseClient = new ReverseClient(reverseConnectionOptions);
while (!reverseClientTerminated)
{
try
{
// reconnect reverse client
if (reverseClient.ClientState != ClientState.LoggedIn && reverseClient.ConnectionAllowed)
{
if (reverseClient.RestoreConnection(out string errMsg))
{
if (CreateSession(reverseClient.SessionID, out ConnectedClient client))
{
Thread clientThread = new Thread(ClientExecute);
client.Init(reverseClient.TcpClient, clientThread);
client.IsLoggedIn = true;
client.Username = reverseConnectionOptions.Username;
client.UserID = reverseClient.UserID;
client.RoleID = reverseClient.RoleID;
coreLogic.GetInstance(reverseConnectionOptions.Instance, out ScadaInstance instance);
client.Tag = new ClientTag(true)
{
Instance = instance
};
log.WriteAction(Locale.IsRussian ?
"Обратный клиент подключился к {0}" :
"Reverse client connected to {0}", client.Address);
clientThread.Start(client);
}
}
else if (!string.IsNullOrEmpty(errMsg))
{
log.WriteError(errMsg);
}
}
}
catch (Exception ex)
{
log.WriteError(ex, Locale.IsRussian ?
"Ошибка в цикле обратного клиента" :
"Error in the reverse client loop");
}
finally
{
Thread.Sleep(ScadaUtils.ThreadDelay);
}
}
}
private DateTime heartbeatDT; // the last time a heartbeat was sent to remote Agents
/// <summary>
/// Initializes a new instance of the class.
/// </summary>
public AgentListener(CoreLogic coreLogic, ListenerOptions listenerOptions,
ReverseConnectionOptions reverseConnectionOptions)
: base(listenerOptions, coreLogic.Log)
{
this.coreLogic = coreLogic ?? throw new ArgumentNullException(nameof(coreLogic));
this.reverseConnectionOptions = reverseConnectionOptions ??
throw new ArgumentNullException(nameof(reverseConnectionOptions));
clientBundles = new Dictionary <string, ClientBundle>();
reverseClient = null;
reverseClientThread = null;
reverseClientTerminated = false;
heartbeatDT = DateTime.MinValue;
CustomFunctions = new HashSet <int>
{
FunctionID.DownloadFile,
FunctionID.UploadFile
};
}
