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using System;
using System.IO;
using System.Linq;
using Impostor.Api.Events.Managers;
using Impostor.Api.Games;
using Impostor.Api.Games.Managers;
using Impostor.Api.Net.Manager;
using Impostor.Api.Net.Messages;
using Impostor.Hazel.Extensions;
using Impostor.Server.Config;
using Impostor.Server.Events;
using Impostor.Server.Net;
using Impostor.Server.Net.Factories;
using Impostor.Server.Net.Manager;
using Impostor.Server.Net.Messages;
using Impostor.Server.Net.Redirector;
using Impostor.Server.Plugins;
using Impostor.Server.Recorder;
using Impostor.Server.Utils;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
using Microsoft.Extensions.ObjectPool;
using Serilog;
using Serilog.Events;
namespace Impostor.Server
{
internal static class Program
{
private static int Main(string[] args)
{
#if DEBUG
var logLevel = LogEventLevel.Debug;
#else
var logLevel = LogEventLevel.Information;
#endif
if (args.Contains("--verbose"))
{
logLevel = LogEventLevel.Verbose;
}
else if (args.Contains("--errors-only"))
{
logLevel = LogEventLevel.Error;
}
Log.Logger = new LoggerConfiguration()
.MinimumLevel.Is(logLevel)
#if DEBUG
.MinimumLevel.Override("Microsoft", LogEventLevel.Debug)
#else
.MinimumLevel.Override("Microsoft", LogEventLevel.Information)
#endif
.Enrich.FromLogContext()
.WriteTo.Console()
.CreateLogger();
try
{
Log.Information("Starting Impostor v{0}", DotnetUtils.GetVersion());
CreateHostBuilder(args).Build().Run();
return 0;
}
catch (Exception ex)
{
Log.Fatal(ex, "Impostor terminated unexpectedly");
return 1;
}
finally
{
Log.CloseAndFlush();
}
}
private static IConfiguration CreateConfiguration(string[] args)
{
var configurationBuilder = new ConfigurationBuilder();
configurationBuilder.AddJsonFile("config.json", true);
configurationBuilder.AddJsonFile("config.Development.json", true);
configurationBuilder.AddEnvironmentVariables(prefix: "IMPOSTOR_");
configurationBuilder.AddCommandLine(args);
return configurationBuilder.Build();
}
//c 入口
private static IHostBuilder CreateHostBuilder(string[] args)
{
var configuration = CreateConfiguration(args);
var pluginConfig = configuration.GetSection("PluginLoader")
.Get<PluginConfig>() ?? new PluginConfig();
return Host.CreateDefaultBuilder(args)
.UseContentRoot(Directory.GetCurrentDirectory())
#if DEBUG
.UseEnvironment(Environment.GetEnvironmentVariable("IMPOSTOR_ENV") ?? "Development")
#else
.UseEnvironment("Production")
#endif
.ConfigureAppConfiguration(builder =>
{
builder.AddConfiguration(configuration);
})
.ConfigureServices((host, services) =>
{
var debug = host.Configuration
.GetSection(DebugConfig.Section)
.Get<DebugConfig>() ?? new DebugConfig();
var redirector = host.Configuration
.GetSection(ServerRedirectorConfig.Section)
.Get<ServerRedirectorConfig>() ?? new ServerRedirectorConfig();
services.Configure<DebugConfig>(host.Configuration.GetSection(DebugConfig.Section));
services.Configure<AntiCheatConfig>(host.Configuration.GetSection(AntiCheatConfig.Section));
services.Configure<ServerConfig>(host.Configuration.GetSection(ServerConfig.Section));
services.Configure<ServerRedirectorConfig>(host.Configuration.GetSection(ServerRedirectorConfig.Section));
if (redirector.Enabled)
{
if (!string.IsNullOrEmpty(redirector.Locator.Redis))
{
// When joining a game, it retrieves the game server ip from redis.
// When a game has been created on this node, it stores the game code with its ip in redis.
services.AddSingleton<INodeLocator, NodeLocatorRedis>();
// Dependency for the NodeLocatorRedis.
services.AddStackExchangeRedisCache(options =>
{
options.Configuration = redirector.Locator.Redis;
options.InstanceName = "ImpostorRedis";
});
}
else if (!string.IsNullOrEmpty(redirector.Locator.UdpMasterEndpoint))
{
services.AddSingleton<INodeLocator, NodeLocatorUdp>();
if (redirector.Master)
{
services.AddHostedService<NodeLocatorUdpService>();
}
}
else
{
throw new Exception("Missing a valid NodeLocator config.");
}
// Use the configuration as source for the list of nodes to provide
// when creating a game.
services.AddSingleton<INodeProvider, NodeProviderConfig>();
}
else
{
// Redirector is not enabled but the dependency is still required.
// So we provide one that ignores all calls.
services.AddSingleton<INodeLocator, NodeLocatorNoOp>();
}
services.AddSingleton<ClientManager>();
services.AddSingleton<IClientManager>(p => p.GetRequiredService<ClientManager>());
if (redirector.Enabled && redirector.Master)
{
services.AddSingleton<IClientFactory, ClientFactory<ClientRedirector>>();
// For a master server, we don't need a GameManager.
}
else
{
if (debug.GameRecorderEnabled)
{
services.AddSingleton<ObjectPoolProvider>(new DefaultObjectPoolProvider());
services.AddSingleton<ObjectPool<PacketSerializationContext>>(serviceProvider =>
{
var provider = serviceProvider.GetRequiredService<ObjectPoolProvider>();
var policy = new PacketSerializationContextPooledObjectPolicy();
return provider.Create(policy);
});
services.AddSingleton<PacketRecorder>();
services.AddHostedService(sp => sp.GetRequiredService<PacketRecorder>());
services.AddSingleton<IClientFactory, ClientFactory<ClientRecorder>>();
}
else
{
services.AddSingleton<IClientFactory, ClientFactory<Client>>();
}
services.AddSingleton<GameManager>();
services.AddSingleton<IGameManager>(p => p.GetRequiredService<GameManager>());
}
services.AddHazel();
services.AddSingleton<IMessageWriterProvider, MessageWriterProvider>();
services.AddSingleton<IGameCodeFactory, GameCodeFactory>();
services.AddSingleton<IEventManager, EventManager>();
services.AddSingleton<Matchmaker>();
services.AddHostedService<MatchmakerService>();
})
.UseSerilog()
.UseConsoleLifetime()
.UsePluginLoader(pluginConfig);
}
}
}
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