67 lines
2.1 KiB
C#
67 lines
2.1 KiB
C#
 
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using System.ServiceProcess;
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using RemSound.Core;
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namespace RemSound.App;
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/// <summary>
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/// The RemSound Windows service (send-only lock-screen streaming). Hosts <see cref="ServiceSendHost"/>
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/// on a background thread; the host's own RunLoop yields to the interactive app via
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/// <see cref="InteractivePresence"/>. Started by the SCM when Program.cs is launched with
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/// <see cref="ServiceControl.RunVerb"/>.
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/// </summary>
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public sealed class RemSoundService : ServiceBase
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{
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private readonly CancellationTokenSource cts = new();
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private Thread? worker;
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private ServiceSendHost? host;
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private RemSoundLog? log;
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public RemSoundService()
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{
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ServiceName = ServiceControl.ServiceName;
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CanStop = true;
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CanShutdown = true;
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CanPauseAndContinue = false;
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}
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protected override void OnStart(string[] args)
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{
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log = new RemSoundLog { Enabled = SafeServiceLogging() };
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log.Event("service: OnStart");
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host = ServiceSendHost.FromConfig(msg => log?.Event(msg));
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worker = new Thread(() =>
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{
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try { host.RunLoop(cts.Token); }
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catch (Exception ex) { log?.Event($"service: run loop crashed {ex.GetType().Name}: {ex.Message}"); }
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})
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{ IsBackground = true, Name = "remsound-service" };
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worker.Start();
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}
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protected override void OnStop()
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{
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log?.Event("service: OnStop");
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try { cts.Cancel(); } catch { }
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try { worker?.Join(5000); } catch { }
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try { host?.Dispose(); } catch { }
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}
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protected override void OnShutdown() => OnStop();
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private static bool SafeServiceLogging()
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{
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try { return AppConfig.Load().ServiceLoggingEnabled; }
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catch { return false; }
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}
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protected override void Dispose(bool disposing)
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{
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if (disposing) { try { cts.Dispose(); } catch { } }
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base.Dispose(disposing);
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}
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/// <summary>Blocks in the SCM dispatcher until the service is stopped. Called from Program.cs
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/// when launched with the run verb.</summary>
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public static void RunAsService() => ServiceBase.Run(new RemSoundService());
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}
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