Aldaviva / GandiDynamicDns / 13273724593

HostApplicationBuilder appConfig = Host.CreateApplicationBuilder(args);

appConfig.Logging.AddUnfuckedConsole();

appConfig.Configuration.AlsoSearchForJsonFilesInExecutableDirectory();

appConfig.Services

    .AddLogging()

    .AddSystemd()

    .AddWindowsService(WindowsService.configure)

    .Configure<Configuration>(appConfig.Configuration)

    .AddSingleton(_ => new HttpClient(new SocketsHttpHandler {

        AllowAutoRedirect        = true,

        ConnectTimeout           = TimeSpan.FromSeconds(10),

        PooledConnectionLifetime = TimeSpan.FromMinutes(15),

        MaxConnectionsPerServer  = 8,

        SslOptions = new SslClientAuthenticationOptions {

            EnabledSslProtocols = SslProtocols.Tls12 | SslProtocols.Tls13

        }

    }) { Timeout = TimeSpan.FromSeconds(20) })

    .AddHostedService<DynamicDnsServiceImpl>()

    .SetExitCodeOnBackgroundServiceException()

    .AddSingleton<IGandiLiveDns>(provider => {

        string apiKey = provider.GetRequiredService<IOptions<Configuration>>().Value.gandiApiKey;

        if (string.IsNullOrWhiteSpace(apiKey) || apiKey == "<Generate an API key on https://account.gandi.net/en/users/_/security>") {

            throw new ArgumentException($"Missing configuration option {nameof(Configuration.gandiApiKey)} in appsettings.json");

        }

        return new GandiLiveDns { ApiKey = apiKey };

    })

    .AddSingleton<DnsManager, GandiDnsManager>()

    .AddStunClient(ctx => new StunOptions { serverHostnameBlacklist = ctx.GetRequiredService<IOptions<Configuration>>().Value.stunServerBlacklist });

using IHost app = appConfig.Build();

await app.RunAsync();