public GameHostOptions(IConfiguration configuration, string applicationNameFallback)
{
if (configuration == null)
{
throw new ArgumentNullException(nameof(configuration));
}
ApplicationName = configuration[GameHostDefaults.ApplicationKey] ?? applicationNameFallback;
StartupAssembly = configuration[GameHostDefaults.StartupAssemblyKey];
DetailedErrors = GameHostUtilities.ParseBool(configuration, GameHostDefaults.DetailedErrorsKey);
CaptureStartupErrors = GameHostUtilities.ParseBool(configuration, GameHostDefaults.CaptureStartupErrorsKey);
Environment = configuration[GameHostDefaults.EnvironmentKey];
GameRoot = configuration[GameHostDefaults.GameRootKey];
ContentRootPath = configuration[GameHostDefaults.ContentRootKey];
PreventHostingStartup = GameHostUtilities.ParseBool(configuration, GameHostDefaults.PreventHostingStartupKey);
SuppressStatusMessages = GameHostUtilities.ParseBool(configuration, GameHostDefaults.SuppressStatusMessagesKey);
// Search the primary assembly and configured assemblies.
HostingStartupAssemblies = Split($"{ApplicationName};{configuration[GameHostDefaults.HostingStartupAssembliesKey]}");
HostingStartupExcludeAssemblies = Split(configuration[GameHostDefaults.HostingStartupExcludeAssembliesKey]);
var timeout = configuration[GameHostDefaults.ShutdownTimeoutKey];
if (!string.IsNullOrEmpty(timeout) &&
int.TryParse(timeout, NumberStyles.None, CultureInfo.InvariantCulture, out var seconds))
{
ShutdownTimeout = TimeSpan.FromSeconds(seconds);
}
}
void EnsureServer()
{
if (Server == null && Services.GetService <IServer>() != null)
{
Server = Services.GetRequiredService <IServer>();
var serverAddressesFeature = Server.Features?.Get <IServerAddressesFeature>();
var addresses = serverAddressesFeature?.Addresses;
if (addresses != null && !addresses.IsReadOnly && addresses.Count == 0)
{
var urls = _config[GameHostDefaults.ServerUrlsKey] ?? _config[DeprecatedServerUrlsKey];
if (!string.IsNullOrEmpty(urls))
{
serverAddressesFeature.PreferHostingUrls = GameHostUtilities.ParseBool(_config, GameHostDefaults.PreferHostingUrlsKey);
foreach (var value in urls.Split(new[] { ';' }, StringSplitOptions.RemoveEmptyEntries))
{
addresses.Add(value);
}
}
}
}
}
void EnsureClient()
{
if (Client == null && Services.GetService <IClient>() != null)
{
Client = Services.GetRequiredService <IClient>();
var clientAddressesFeature = Client.Features?.Get <IClientAddressesFeature>();
var addresses = clientAddressesFeature?.Addresses;
if (addresses != null && !addresses.IsReadOnly && addresses.Count == 0)
{
var urls = _config[GameHostDefaults.ClientUrlsKey];
if (!string.IsNullOrEmpty(urls))
{
clientAddressesFeature.PreferHostingUrls = GameHostUtilities.ParseBool(_config, GameHostDefaults.PreferHostingUrlsKey);
foreach (var value in urls.Split(new[] { ';' }, StringSplitOptions.RemoveEmptyEntries))
{
addresses.Add(value);
}
}
}
}
}
public async Task StartAsync(CancellationToken cancellationToken)
{
HostingEventSource.Log.HostStart();
var serverAddressesFeature = Server.Features?.Get <IServerAddressesFeature>();
var addresses = serverAddressesFeature?.Addresses;
if (addresses != null && !addresses.IsReadOnly && addresses.Count == 0)
{
var urls = Configuration[GameHostDefaults.ServerUrlsKey];
if (!string.IsNullOrEmpty(urls))
{
serverAddressesFeature.PreferHostingUrls = GameHostUtilities.ParseBool(Configuration, GameHostDefaults.PreferHostingUrlsKey);
foreach (var value in urls.Split(new[] { ';' }, StringSplitOptions.RemoveEmptyEntries))
{
addresses.Add(value);
}
}
}
RequestDelegate application = null;
try
{
Action <IApplicationBuilder> configure = Options.ConfigureApplication;
if (configure == null)
{
throw new InvalidOperationException($"No application configured. Please specify an application via IGameHostBuilder.UseStartup, IGameHostBuilder.Configure, or specifying the startup assembly via {nameof(GameHostDefaults.StartupAssemblyKey)} in the game host configuration.");
}
var builder = ApplicationBuilderFactory.CreateBuilder(Server.Features);
foreach (var filter in StartupFilters.Reverse())
{
configure = filter.Configure(configure);
}
configure(builder);
// Build the request pipeline
application = builder.Build();
}
catch (Exception ex)
{
Logger.ApplicationError(ex);
if (!Options.GameHostOptions.CaptureStartupErrors)
{
throw;
}
application = BuildErrorPageApplication(ex);
}
var httpApplication = new HostingApplication(application, Logger, DiagnosticListener, ProtoContextFactory);
await Server.StartAsync(httpApplication, cancellationToken);
if (addresses != null)
{
foreach (var address in addresses)
{
LifetimeLogger.LogInformation("Now listening on: {address}", address);
}
}
if (Logger.IsEnabled(LogLevel.Debug))
{
foreach (var assembly in Options.GameHostOptions.GetFinalHostingStartupAssemblies())
{
Logger.LogDebug("Loaded hosting startup assembly {assemblyName}", assembly);
}
}
if (Options.HostingStartupExceptions != null)
{
foreach (var exception in Options.HostingStartupExceptions.InnerExceptions)
{
Logger.HostingStartupAssemblyError(exception);
}
}
}
