public void Start(string configPath)
{
AddLog("Starting a node...", LogType.Information);
try
{
Config = NetworkNodeConfig.ParseConfig(configPath);
}
catch (Exception e)
{
AddLog($"Exception: {e.Message}", LogType.Error);
return;
}
networkNodeRoutingTables.LoadTablesFromConfig(Config, Window);
networkNodeRoutingTables.StartManagementAgent();
ConnectToCloud();
while (true)
{
while (ConnectedSocket == null || !ConnectedSocket.Connected)
{
AddLog("Retrying connection to cable cloud...", LogType.Information);
ConnectToCloud();
}
try
{
var package = ConnectedSocket.Receive();
AddLog($"Received package: {package} at port {package.Port}", LogType.Received);
Task.Run(() => HandlePackage(package));
}
catch (InvalidMPLSPackageException)
{
AddLog("Received package was not a valid package.", LogType.Error);
}
catch (SocketException e)
{
// ignore timeout exceptions
if (e.SocketErrorCode != SocketError.TimedOut)
{
if (e.SocketErrorCode == SocketError.Shutdown || e.SocketErrorCode == SocketError.ConnectionReset)
{
AddLog("Connection to Cloud broken!", LogType.Error);
continue;
}
else
{
AddLog($"{e.Source}: {e.SocketErrorCode}", LogType.Error);
}
}
}
}
}
public static NetworkNodeConfig ParseConfig(string FileName)
{
var content = File.ReadAllLines(FileName).ToList();
var config = new NetworkNodeConfig();
config.ManagementSystemAddress = IPAddress.Parse(GetProperty(content, "MANAGEMENTADDRESS"));
config.ManagementSystemPort = ushort.Parse(GetProperty(content, "MANAGEMENTPORT"));
config.NodeName = GetProperty(content, "NODENAME");
config.CloudAddress = IPAddress.Parse(GetProperty(content, "CLOUDADDRESS"));
config.CloudPort = ushort.Parse(GetProperty(content, "CLOUDPORT"));
return(config);
}
public ManagementAgent(NetworkNodeConfig networkNodeConfig, MainWindow window)
{
Config = networkNodeConfig;
Window = window;
}
public void LoadTablesFromConfig(NetworkNodeConfig Config, MainWindow window)
{
managementAgent = new ManagementAgent(Config, window);
managementAgent.ModfifyForwardingTable += HandleModifyForwardingTable;
window.Dispatcher.Invoke(() => window.Title = Config.NodeName);
}