WorldTime/Program.cs

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1.8 KiB
C#
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namespace WorldTime;
class Program {
private static WorldTime _bot = null!;
private static readonly DateTimeOffset _botStartTime = DateTimeOffset.UtcNow;
/// <summary>
/// Returns the amount of time the program has been running in a human-readable format.
/// </summary>
public static string BotUptime => (DateTimeOffset.UtcNow - _botStartTime).ToString("d' days, 'hh':'mm':'ss");
static async Task Main() {
Configuration? cfg = null;
try {
cfg = new Configuration();
} catch (Exception ex) {
Console.WriteLine(ex);
Environment.Exit(2);
}
_bot = new WorldTime(cfg);
AppDomain.CurrentDomain.ProcessExit += OnCancelEvent;
Console.CancelKeyPress += OnCancelEvent;
await _bot.StartAsync();
await Task.Delay(-1);
}
/// <summary>
/// Sends a formatted message to console.
/// </summary>
public static void Log(string source, string message) {
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var ts = DateTime.Now;
var ls = new string[] { "\r\n", "\n" };
foreach (var item in message.Split(ls, StringSplitOptions.None))
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Console.WriteLine($"{ts:s} [{source}] {item}");
}
private static bool _shutdownRequested = false;
private static void OnCancelEvent(object? sender, EventArgs e) {
if (e is ConsoleCancelEventArgs ce) ce.Cancel = true;
if (_shutdownRequested) return;
_shutdownRequested = true;
Log("Shutdown", "Shutting down...");
var dispose = Task.Run(_bot.Dispose);
if (!dispose.Wait(15000)) {
Log("Shutdown", "Normal shutdown is taking too long. Will force quit.");
Environment.ExitCode = 1;
}
Environment.Exit(Environment.ExitCode);
}
}