private static void Main(string[] args)
{
var config = PingEngineConfig.FromArgs(args);
if (config == null)
{
return;
}
config.MessageLogger = (hostInfo, pingState, status) =>
{
if (pingState == PingState.Started)
{
Console.Write($"Pinging {hostInfo.Name}");
return;
}
Console.WriteLine($" ({hostInfo.IPAddress?.ToString() ?? "?"})\t{status}");
try
{
File.AppendAllText(config.LogFile, ($"{DateTime.Now:s}\t{hostInfo.Name} ({hostInfo.IPAddress})\t{status}\r\n"));
}
catch (Exception ex)
{
//go on with life...
Console.WriteLine($"Error writing to log file: {ex.Message}");
}
};
var pingEngine = new PingEngine(config);
pingEngine.StartPinging();
Console.ReadKey(true);
pingEngine.StopPinging();
}
public PingEngine(PingEngineConfig config)
{
Config = config;
}
public static PingEngineConfig FromArgs(string[] args)
{
var pingSites = new RoundRobinList <HostInfo>();
var logFile = "";
var interval = 10000;
var showHelp = false;
var options = new OptionSet
{
{
"l|logfile=", "the path of the logfile", l =>
{
if (!string.IsNullOrWhiteSpace(l))
{
logFile = l;
}
}
},
{
"s|server=",
"a server to use in ping list (can be used more than once, if none are supplied it uses a default list).", s =>
{
if (!string.IsNullOrWhiteSpace(s))
{
pingSites.Add(new HostInfo(s));
}
}
},
{
"i|interval=", $"delay (in seconds) between ping attempts (default is {interval / 1000} seconds)", i =>
{
if (!string.IsNullOrWhiteSpace(i))
{
interval = int.Parse(i) * 1000;
}
}
},
{ "?|h|help", "show this message and exit", h => showHelp = h != null },
};
try
{
// parse the command line
var extra = options.Parse(args);
}
catch (OptionException e)
{
Console.Write("UptimeTracker: ");
Console.WriteLine(e.Message);
Console.WriteLine("Try 'UptimeTracker --help' for more information.");
return(null);
}
if (showHelp)
{
Console.WriteLine("Usage: UptimeTracker.exe [OPTIONS]+");
Console.WriteLine("Periodically pings hosts in a round-robin fashion to track network connectivity.");
Console.WriteLine();
Console.WriteLine("Options:");
options.WriteOptionDescriptions(Console.Out);
return(null);
}
if (string.IsNullOrWhiteSpace(logFile))
{
logFile = Path.Combine(Path.GetTempPath(), defaultLogFileName);
}
if (!pingSites.Any())
{
pingSites.AddRange(defaultPingSites);
}
var config = new PingEngineConfig()
{
PingSites = pingSites,
Interval = interval,
LogFile = logFile
};
return(config);
}
