static ICMConfiguration LoadConfiguration(string[] args)
{
// default configuration
ICMConfiguration conf = new ICMConfiguration {
};
Host.CreateDefaultBuilder(args)
.ConfigureAppConfiguration((hostingContext, configuration) =>
{
configuration.Sources.Clear();
IHostEnvironment env = hostingContext.HostingEnvironment;
configuration
.AddJsonFile("appsettings.json", optional: true, reloadOnChange: true)
.AddJsonFile($"appsettings.{env.EnvironmentName}.json", true, true);
IConfigurationRoot configurationRoot = configuration.Build();
ICMConfiguration options = new();
configurationRoot.GetSection("ping").Bind(options);
conf = options;
})
.Build();
return(conf);
}
static TimeSpan LoopWhileNoConnection(DateTime disconnectionStartTime, ICMConfiguration conf)
{
var disconnected = true;
TimeSpan durationDisconnection = TimeSpan.Zero;
while (disconnected)
{
var nowDisconnected = DateTime.Now.ToLocalTime();
durationDisconnection = nowDisconnected - disconnectionStartTime;
var pingsResults = ICM.pingServers(conf.servers);
disconnected = !pingsResults.AtLeastOneServerReachable;
OutputNoConnection(nowDisconnected, durationDisconnection, conf);
LetWaitFewSeconds(conf);
}
return(durationDisconnection);
}
public static Task Main(string[] args)
{
ICM.pingServersResult pingsResults;
ICMConfiguration conf = LoadConfiguration(args);
while (true)
{
var now = DateTime.Now.ToLocalTime();
pingsResults = ICM.pingServers(conf.servers);
if (pingsResults.AtLeastOneServerReachable)
{
OutputOkPingsResults(pingsResults, now, conf);
}
else
{
var disconnectionDuration = LoopWhileNoConnection(now, conf);
OutputReconnection(now, disconnectionDuration, conf);
}
LetWaitFewSeconds(conf);
}
static void LetWaitFewSeconds(ICMConfiguration conf)
{
System.Threading.Thread.Sleep(conf.frequency);
}
static void OutputNoConnection(DateTime nowDisconnected, TimeSpan durationDisconnection, ICMConfiguration conf)
{
var outputString = $"{nowDisconnected}|KO |pings are failing, disconnected since: {durationDisconnection.ToHumanReadableString()}";
Console.WriteLine(outputString);
ConsoleBackToBeginningOfTheLine();
if (conf.loginfiledisconnected)
{
outputInFile(outputString);
}
}
static void OutputOkPingsResults(ICM.pingServersResult pingsResults, DateTime now, ICMConfiguration conf)
{
var pingRoundtripsTimeOutput = "";
foreach (var serverResult in pingsResults.pingServersResults)
{
pingRoundtripsTimeOutput += serverResult.RoundtripTime == 0 ? "---" : serverResult.RoundtripTime.ToString().PadLeft(3, ' ');
pingRoundtripsTimeOutput += "|";
}
var outputString = $"{now}|OK |{pingRoundtripsTimeOutput}";
Console.WriteLine(outputString);
if (conf.loginfile)
{
outputInFile(outputString);
}
}
static void OutputReconnection(DateTime now, TimeSpan disconnectionDuration, ICMConfiguration conf)
{
ClearCurrentConsoleLine();
var outputString = $"{now}|RECONNECTED|{disconnectionDuration.Seconds.ToString().PadLeft(3, ' ')}|Disconnected during : {disconnectionDuration.ToHumanReadableString()}";
Console.WriteLine(outputString);
if (conf.loginfile)
{
outputInFile(outputString);
}
}