refactor(net): own complete live session lifecycle
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5 changed files with 1618 additions and 91 deletions
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@ -1,114 +1,688 @@
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using System;
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using System.Net;
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using System.Net.Sockets;
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using AcDream.Core.Net;
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using AcDream.Core.Net.Messages;
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using AcDream.UI.Abstractions;
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namespace AcDream.App.Net;
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/// <summary>
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/// Owns the network-side lifecycle of a live <see cref="WorldSession"/> —
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/// DNS resolution, endpoint construction, session instantiation, per-frame
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/// <c>Tick</c>, and disposal. The post-construction work (event wiring,
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/// <c>Connect</c>, character validation, <c>EnterWorld</c>, post-login UI
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/// state setup) stays in <c>GameWindow</c> for now because it touches
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/// renderer / chat / player-controller state that hasn't been extracted yet.
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/// </summary>
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/// <remarks>
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/// <para>
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/// Step 2 of the extraction sequence described in
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/// <c>docs/architecture/code-structure.md</c> §4. Future expansions can
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/// fold more of <c>TryStartLiveSession</c> into this controller as the
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/// surrounding state (event handlers, command bus, settings VM) gets
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/// extracted in later steps.
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/// </para>
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/// <para>
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/// <strong>Behavior preservation contract:</strong> this class produces
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/// byte-identical console output and event-wireup sequencing to the
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/// pre-refactor inline code path. The DNS-resolution lines, the
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/// "live: connecting to ..." line, and the wiring-vs-Connect ordering
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/// all match the previous flow.
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/// </para>
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/// </remarks>
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public sealed class LiveSessionController : IDisposable
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internal enum LiveSessionStartStatus
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{
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/// <summary>
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/// Active session, or <see langword="null"/> when offline / before
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/// <see cref="CreateAndWire"/> succeeded / after <see cref="Dispose"/>.
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/// </summary>
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public WorldSession? Session { get; private set; }
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Disabled,
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MissingCredentials,
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NoCharacters,
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Connected,
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Deferred,
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Failed,
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}
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/// <summary>
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/// Resolves the endpoint, instantiates the <see cref="WorldSession"/>,
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/// hands it to <paramref name="wireEvents"/> for caller-side event
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/// subscriptions, and returns the live session. The caller is
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/// responsible for the subsequent <c>Connect</c> /
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/// <c>EnterWorld</c> dance.
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/// </summary>
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public WorldSession? CreateAndWire(RuntimeOptions options, Action<WorldSession> wireEvents)
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internal sealed record LiveSessionCharacterSelection(
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int ActiveIndex,
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uint CharacterId,
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string CharacterName,
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string AccountName);
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internal sealed record LiveSessionStartResult(
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LiveSessionStartStatus Status,
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LiveSessionCharacterSelection? Selection = null,
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Exception? Error = null);
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/// <summary>
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/// Narrow App composition boundary for one exact WorldSession generation.
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/// The host owns domain sinks and presentation state; the controller owns the
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/// connect/enter/stop transaction and never reaches into GameWindow state.
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/// </summary>
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internal interface ILiveSessionLifecycleHost
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{
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LiveSessionBinding BindSession(WorldSession session);
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void ResetSessionState();
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void ReportConnecting(string host, int port, string user);
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void ReportConnected();
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void ApplySelectedCharacter(LiveSessionCharacterSelection selection);
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void ApplyEnteredWorld(LiveSessionCharacterSelection selection);
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void DetachSession(WorldSession session);
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}
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/// <summary>
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/// Owns routing and commands for one exact session. Teardown is ordered and
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/// retryable: outbound commands become inert before inbound subscriptions are
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/// detached.
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/// </summary>
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internal sealed class LiveSessionBinding : IDisposable
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{
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private readonly Action _activateCommands;
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private readonly Action _deactivateCommands;
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private readonly Action _detachEvents;
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private bool _commandsDeactivated;
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private bool _eventsDetached;
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private bool _commandsActivated;
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public LiveSessionBinding(
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WorldSession session,
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ICommandBus commands,
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Action activateCommands,
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Action deactivateCommands,
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Action detachEvents)
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{
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if (options is null) throw new ArgumentNullException(nameof(options));
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if (wireEvents is null) throw new ArgumentNullException(nameof(wireEvents));
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if (!options.LiveMode) return null;
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if (string.IsNullOrEmpty(options.LiveUser) || string.IsNullOrEmpty(options.LivePass))
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{
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Console.WriteLine("live: ACDREAM_LIVE set but TEST_USER/TEST_PASS missing; skipping");
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return null;
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}
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try
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{
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var endpoint = ResolveEndpoint(options.LiveHost, options.LivePort);
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Console.WriteLine($"live: connecting to {endpoint} as {options.LiveUser}");
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Session = new WorldSession(endpoint);
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wireEvents(Session);
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return Session;
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}
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catch (Exception ex)
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{
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Console.WriteLine($"live: session setup failed: {ex.Message}");
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Session?.Dispose();
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Session = null;
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return null;
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}
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Session = session ?? throw new ArgumentNullException(nameof(session));
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Commands = commands ?? throw new ArgumentNullException(nameof(commands));
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_activateCommands = activateCommands ?? throw new ArgumentNullException(nameof(activateCommands));
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_deactivateCommands = deactivateCommands ?? throw new ArgumentNullException(nameof(deactivateCommands));
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_detachEvents = detachEvents ?? throw new ArgumentNullException(nameof(detachEvents));
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}
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/// <summary>
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/// Drains the inbound network queue. Proxies to
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/// <see cref="WorldSession.Tick"/>; no-op when <see cref="Session"/>
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/// is <see langword="null"/>.
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/// </summary>
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public void Tick() => Session?.Tick();
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public WorldSession Session { get; }
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public ICommandBus Commands { get; }
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public void ActivateCommands()
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{
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if (_commandsDeactivated || _eventsDetached)
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throw new ObjectDisposedException(nameof(LiveSessionBinding));
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if (_commandsActivated)
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return;
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_activateCommands();
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if (_commandsDeactivated || _eventsDetached)
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return;
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_commandsActivated = true;
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}
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/// <summary>
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/// Tears down the live session. Safe to call multiple times.
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/// </summary>
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public void Dispose()
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{
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Session?.Dispose();
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Session = null;
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if (!_commandsDeactivated)
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{
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_deactivateCommands();
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_commandsDeactivated = true;
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}
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if (!_eventsDetached)
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{
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_detachEvents();
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_eventsDetached = true;
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}
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}
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}
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/// <summary>
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/// Resolve a host string (literal IP or DNS name) to an
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/// <see cref="IPEndPoint"/>. Pre-refactor logic preserved exactly:
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/// try <see cref="IPAddress.TryParse"/> first, fall back to
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/// <see cref="Dns.GetHostAddresses"/>, prefer IPv4 (ACE + retail use
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/// IPv4 UDP exclusively), throw on empty resolution.
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/// </summary>
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private static IPEndPoint ResolveEndpoint(string host, int port)
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internal interface ILiveSessionOperations
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{
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IPEndPoint ResolveEndpoint(string host, int port);
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WorldSession CreateSession(IPEndPoint endpoint);
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void Connect(WorldSession session, string user, string password);
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CharacterList.Parsed? GetCharacters(WorldSession session);
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void EnterWorld(WorldSession session, int activeCharacterIndex);
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void Tick(WorldSession session);
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void DisposeSession(WorldSession session);
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}
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internal sealed class ProductionLiveSessionOperations : ILiveSessionOperations
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{
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public static ProductionLiveSessionOperations Instance { get; } = new();
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private ProductionLiveSessionOperations() { }
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public IPEndPoint ResolveEndpoint(string host, int port)
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{
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IPAddress ip;
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if (!IPAddress.TryParse(host, out ip!))
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{
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var addrs = Dns.GetHostAddresses(host);
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ip = Array.Find(addrs, a => a.AddressFamily == AddressFamily.InterNetwork)
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?? (addrs.Length > 0
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? addrs[0]
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: throw new Exception($"DNS resolved no addresses for '{host}'"));
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IPAddress[] addresses = Dns.GetHostAddresses(host);
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ip = Array.Find(
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addresses,
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static address => address.AddressFamily == AddressFamily.InterNetwork)
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?? (addresses.Length != 0
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? addresses[0]
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: throw new InvalidOperationException(
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$"DNS resolved no addresses for '{host}'"));
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Console.WriteLine($"live: resolved {host} → {ip}");
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}
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return new IPEndPoint(ip, port);
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}
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public WorldSession CreateSession(IPEndPoint endpoint) => new(endpoint);
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public void Connect(WorldSession session, string user, string password) =>
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session.Connect(user, password);
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public CharacterList.Parsed? GetCharacters(WorldSession session) => session.Characters;
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public void EnterWorld(WorldSession session, int activeCharacterIndex) =>
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session.EnterWorld(activeCharacterIndex);
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public void Tick(WorldSession session) => session.Tick();
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public void DisposeSession(WorldSession session) => session.Dispose();
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}
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/// <summary>
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/// Sole owner of the App lifetime for a live WorldSession: endpoint resolution,
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/// complete pre-Connect routing, character validation/entry, active command
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/// publication, exact-generation Tick, graceful replacement, and convergent
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/// teardown. Retail wire behavior remains inside WorldSession.
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/// </summary>
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public sealed class LiveSessionController : IDisposable
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{
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private sealed class SessionScope(
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WorldSession session,
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ILiveSessionLifecycleHost host)
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{
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private int _teardownStage;
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public WorldSession Session { get; } = session;
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public ILiveSessionLifecycleHost Host { get; } = host;
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public LiveSessionBinding? Binding { get; set; }
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public bool HostAttached { get; set; }
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public void DrainTeardown(ILiveSessionOperations operations)
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{
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if (_teardownStage == 0)
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{
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Binding?.Dispose();
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_teardownStage = 1;
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}
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if (_teardownStage == 1)
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{
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operations.DisposeSession(Session);
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_teardownStage = 2;
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}
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if (_teardownStage == 2)
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{
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if (HostAttached)
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Host.DetachSession(Session);
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_teardownStage = 3;
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}
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if (_teardownStage == 3)
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{
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Host.ResetSessionState();
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_teardownStage = 4;
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}
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}
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public bool IsTeardownComplete => _teardownStage == 4;
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}
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private enum PendingKind
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{
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Stop,
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Reconnect,
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Dispose,
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}
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private sealed record PendingOperation(
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PendingKind Kind,
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RuntimeOptions? Options = null,
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ILiveSessionLifecycleHost? Host = null);
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private readonly object _gate = new();
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private readonly ILiveSessionOperations _operations;
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private SessionScope? _scope;
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private SessionScope? _retiredScope;
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private ILiveSessionLifecycleHost? _pendingInitialResetHost;
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private PendingOperation? _pendingOperation;
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private WorldSession? _legacySession;
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private int _operationDepth;
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private bool _inWorld;
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private bool _disposeRequested;
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private bool _disposed;
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private ulong _generation;
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private LiveSessionCharacterSelection? _activeSelection;
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public LiveSessionController()
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: this(ProductionLiveSessionOperations.Instance)
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{
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}
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internal LiveSessionController(ILiveSessionOperations operations)
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{
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_operations = operations ?? throw new ArgumentNullException(nameof(operations));
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}
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public WorldSession? CurrentSession
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{
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get { lock (_gate) return _scope?.Session ?? _legacySession; }
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}
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/// <summary>Temporary Slice-3 compatibility alias; removed at GameWindow cutover.</summary>
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public WorldSession? Session => CurrentSession;
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public ICommandBus Commands
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{
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get
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{
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lock (_gate)
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return _inWorld && _scope?.Binding is { } binding
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? binding.Commands
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: NullCommandBus.Instance;
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}
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}
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public bool IsInWorld
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{
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get { lock (_gate) return _inWorld; }
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}
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public ulong SessionGeneration
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{
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get { lock (_gate) return _generation; }
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}
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internal LiveSessionStartResult Start(
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RuntimeOptions options,
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ILiveSessionLifecycleHost host)
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{
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ArgumentNullException.ThrowIfNull(options);
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ArgumentNullException.ThrowIfNull(host);
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lock (_gate)
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{
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ThrowIfDisposing();
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if (_operationDepth != 0)
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return new LiveSessionStartResult(LiveSessionStartStatus.Deferred);
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if (_inWorld)
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return ConnectedResult();
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return RunTopLevel(() => StartCore(options, host, resetHost: true));
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}
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}
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internal LiveSessionStartResult Reconnect(
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RuntimeOptions options,
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ILiveSessionLifecycleHost host)
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{
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ArgumentNullException.ThrowIfNull(options);
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ArgumentNullException.ThrowIfNull(host);
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lock (_gate)
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{
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ThrowIfDisposing();
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if (_operationDepth != 0)
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{
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Schedule(new PendingOperation(PendingKind.Reconnect, options, host));
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return new LiveSessionStartResult(LiveSessionStartStatus.Deferred);
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}
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return RunTopLevel(() => ReconnectCore(options, host));
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}
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}
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internal void Stop()
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{
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lock (_gate)
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{
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if (_disposed)
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return;
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if (_operationDepth != 0)
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{
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Schedule(new PendingOperation(PendingKind.Stop));
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return;
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}
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RunTopLevel(StopCore);
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}
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}
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public void Tick()
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{
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lock (_gate)
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{
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if (_disposed)
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return;
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if (_legacySession is not null && _scope is null)
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{
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_legacySession.Tick();
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return;
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}
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if (!_inWorld || _scope is null || _operationDepth != 0)
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return;
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RunTopLevel(() =>
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{
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SessionScope scope = _scope;
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ulong generation = _generation;
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try
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{
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_operations.Tick(scope.Session);
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if (!IsCurrent(scope, generation))
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return;
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}
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catch (Exception tickError)
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{
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Exception error = StopAfterFailure(tickError);
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throw error;
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}
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});
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}
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}
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public void Dispose()
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{
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lock (_gate)
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{
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if (_disposed)
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return;
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_disposeRequested = true;
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if (_operationDepth != 0)
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{
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Schedule(new PendingOperation(PendingKind.Dispose));
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return;
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}
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RunTopLevel(DisposeCore);
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}
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}
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private LiveSessionStartResult ReconnectCore(
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RuntimeOptions options,
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ILiveSessionLifecycleHost host)
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{
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ILiveSessionLifecycleHost? oldHost =
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_scope?.Host ?? _retiredScope?.Host ?? _pendingInitialResetHost;
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ulong generationBeforeStop = _generation;
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try
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{
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StopCore();
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}
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catch (Exception error)
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{
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return new LiveSessionStartResult(LiveSessionStartStatus.Failed, Error: error);
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}
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if (_generation != unchecked(generationBeforeStop + 1))
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return new LiveSessionStartResult(LiveSessionStartStatus.Deferred);
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return StartCore(options, host, resetHost: !ReferenceEquals(oldHost, host));
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}
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private LiveSessionStartResult StartCore(
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RuntimeOptions options,
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ILiveSessionLifecycleHost host,
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bool resetHost)
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{
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ulong generation = ++_generation;
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try
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{
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DrainRetiredScope();
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if (_generation != generation)
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return new LiveSessionStartResult(LiveSessionStartStatus.Deferred);
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if (resetHost)
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ResetHostBeforeStart(host, generation);
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if (_generation != generation)
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return new LiveSessionStartResult(LiveSessionStartStatus.Deferred);
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}
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catch (Exception error)
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{
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return new LiveSessionStartResult(LiveSessionStartStatus.Failed, Error: error);
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}
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if (!options.LiveMode)
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return new LiveSessionStartResult(LiveSessionStartStatus.Disabled);
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if (string.IsNullOrEmpty(options.LiveUser) || string.IsNullOrEmpty(options.LivePass))
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return new LiveSessionStartResult(LiveSessionStartStatus.MissingCredentials);
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SessionScope? scope = null;
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try
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{
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IPEndPoint endpoint = _operations.ResolveEndpoint(options.LiveHost, options.LivePort);
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if (_generation != generation)
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return new LiveSessionStartResult(LiveSessionStartStatus.Deferred);
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Console.WriteLine($"live: connecting to {endpoint} as {options.LiveUser}");
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WorldSession session = _operations.CreateSession(endpoint);
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scope = new SessionScope(session, host);
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_scope = scope;
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_inWorld = false;
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if (!IsCurrent(scope, generation))
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return new LiveSessionStartResult(LiveSessionStartStatus.Deferred);
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LiveSessionBinding binding = host.BindSession(session);
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scope.Binding = binding;
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scope.HostAttached = true;
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if (!ReferenceEquals(binding.Session, session))
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{
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throw new InvalidOperationException(
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"The live-session host returned a binding for a different session.");
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||||
}
|
||||
if (!IsCurrent(scope, generation))
|
||||
return new LiveSessionStartResult(LiveSessionStartStatus.Deferred);
|
||||
|
||||
host.ReportConnecting(options.LiveHost, options.LivePort, options.LiveUser);
|
||||
if (!IsCurrent(scope, generation))
|
||||
return new LiveSessionStartResult(LiveSessionStartStatus.Deferred);
|
||||
|
||||
_operations.Connect(session, options.LiveUser, options.LivePass);
|
||||
if (!IsCurrent(scope, generation))
|
||||
return new LiveSessionStartResult(LiveSessionStartStatus.Deferred);
|
||||
host.ReportConnected();
|
||||
if (!IsCurrent(scope, generation))
|
||||
return new LiveSessionStartResult(LiveSessionStartStatus.Deferred);
|
||||
|
||||
CharacterList.Parsed? characters = _operations.GetCharacters(session);
|
||||
if (characters is null
|
||||
|| !CharacterList.TrySelectFirstAvailable(characters, out CharacterList.Selection selected))
|
||||
{
|
||||
Console.WriteLine("live: no available characters on account; disconnecting");
|
||||
StopCore();
|
||||
return new LiveSessionStartResult(LiveSessionStartStatus.NoCharacters);
|
||||
}
|
||||
|
||||
var selection = new LiveSessionCharacterSelection(
|
||||
selected.ActiveIndex,
|
||||
selected.Character.Id,
|
||||
selected.Character.Name,
|
||||
characters.AccountName);
|
||||
host.ApplySelectedCharacter(selection);
|
||||
if (!IsCurrent(scope, generation))
|
||||
return new LiveSessionStartResult(LiveSessionStartStatus.Deferred);
|
||||
|
||||
Console.WriteLine(
|
||||
$"live: entering world as 0x{selection.CharacterId:X8} {selection.CharacterName}");
|
||||
_operations.EnterWorld(session, selection.ActiveIndex);
|
||||
if (!IsCurrent(scope, generation))
|
||||
return new LiveSessionStartResult(LiveSessionStartStatus.Deferred);
|
||||
|
||||
binding.ActivateCommands();
|
||||
if (!IsCurrent(scope, generation))
|
||||
return new LiveSessionStartResult(LiveSessionStartStatus.Deferred);
|
||||
_inWorld = true;
|
||||
_activeSelection = selection;
|
||||
host.ApplyEnteredWorld(selection);
|
||||
if (!IsCurrent(scope, generation))
|
||||
return new LiveSessionStartResult(LiveSessionStartStatus.Deferred);
|
||||
|
||||
Console.WriteLine("live: in world — CreateObject stream active");
|
||||
return new LiveSessionStartResult(
|
||||
LiveSessionStartStatus.Connected,
|
||||
selection);
|
||||
}
|
||||
catch (Exception startError)
|
||||
{
|
||||
return new LiveSessionStartResult(
|
||||
LiveSessionStartStatus.Failed,
|
||||
Error: StopAfterFailure(startError));
|
||||
}
|
||||
}
|
||||
|
||||
private Exception StopAfterFailure(Exception operationError)
|
||||
{
|
||||
try
|
||||
{
|
||||
StopCore();
|
||||
return operationError;
|
||||
}
|
||||
catch (Exception cleanupError)
|
||||
{
|
||||
return new AggregateException(
|
||||
"Live-session operation and cleanup both failed.",
|
||||
operationError,
|
||||
cleanupError);
|
||||
}
|
||||
}
|
||||
|
||||
private void StopCore()
|
||||
{
|
||||
++_generation;
|
||||
_inWorld = false;
|
||||
_activeSelection = null;
|
||||
if (_scope is { } scope)
|
||||
{
|
||||
_scope = null;
|
||||
if (_retiredScope is not null && !ReferenceEquals(_retiredScope, scope))
|
||||
throw new InvalidOperationException(
|
||||
"A second live-session scope cannot retire before the first converges.");
|
||||
_retiredScope = scope;
|
||||
}
|
||||
DrainRetiredScope();
|
||||
DrainPendingInitialReset();
|
||||
}
|
||||
|
||||
private void DrainRetiredScope()
|
||||
{
|
||||
if (_retiredScope is not { } retired)
|
||||
return;
|
||||
retired.DrainTeardown(_operations);
|
||||
if (retired.IsTeardownComplete)
|
||||
_retiredScope = null;
|
||||
}
|
||||
|
||||
private void ResetHostBeforeStart(
|
||||
ILiveSessionLifecycleHost host,
|
||||
ulong generation)
|
||||
{
|
||||
bool requestedHostAlreadyReset = false;
|
||||
if (_pendingInitialResetHost is { } pending)
|
||||
{
|
||||
pending.ResetSessionState();
|
||||
_pendingInitialResetHost = null;
|
||||
requestedHostAlreadyReset = ReferenceEquals(pending, host);
|
||||
}
|
||||
if (requestedHostAlreadyReset || _generation != generation)
|
||||
return;
|
||||
|
||||
try
|
||||
{
|
||||
host.ResetSessionState();
|
||||
}
|
||||
catch
|
||||
{
|
||||
_pendingInitialResetHost = host;
|
||||
throw;
|
||||
}
|
||||
}
|
||||
|
||||
private void DrainPendingInitialReset()
|
||||
{
|
||||
if (_pendingInitialResetHost is not { } host)
|
||||
return;
|
||||
host.ResetSessionState();
|
||||
_pendingInitialResetHost = null;
|
||||
}
|
||||
|
||||
private void Schedule(PendingOperation operation)
|
||||
{
|
||||
if (_pendingOperation?.Kind == PendingKind.Dispose)
|
||||
return;
|
||||
_pendingOperation = operation;
|
||||
++_generation;
|
||||
_inWorld = false;
|
||||
_scope?.Binding?.Dispose();
|
||||
}
|
||||
|
||||
private T RunTopLevel<T>(Func<T> operation)
|
||||
{
|
||||
_operationDepth++;
|
||||
try
|
||||
{
|
||||
return operation();
|
||||
}
|
||||
finally
|
||||
{
|
||||
_operationDepth--;
|
||||
if (_operationDepth == 0)
|
||||
DrainPendingOperations();
|
||||
}
|
||||
}
|
||||
|
||||
private void RunTopLevel(Action operation) =>
|
||||
RunTopLevel(() =>
|
||||
{
|
||||
operation();
|
||||
return true;
|
||||
});
|
||||
|
||||
private void DrainPendingOperations()
|
||||
{
|
||||
while (_pendingOperation is { } pending)
|
||||
{
|
||||
_pendingOperation = null;
|
||||
_operationDepth++;
|
||||
try
|
||||
{
|
||||
switch (pending.Kind)
|
||||
{
|
||||
case PendingKind.Stop:
|
||||
StopCore();
|
||||
break;
|
||||
case PendingKind.Reconnect:
|
||||
_ = ReconnectCore(pending.Options!, pending.Host!);
|
||||
break;
|
||||
case PendingKind.Dispose:
|
||||
DisposeCore();
|
||||
break;
|
||||
}
|
||||
}
|
||||
finally
|
||||
{
|
||||
_operationDepth--;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private void DisposeCore()
|
||||
{
|
||||
StopCore();
|
||||
if (_legacySession is { } legacy)
|
||||
{
|
||||
_operations.DisposeSession(legacy);
|
||||
_legacySession = null;
|
||||
}
|
||||
_disposed = true;
|
||||
}
|
||||
|
||||
private bool IsCurrent(SessionScope scope, ulong generation) =>
|
||||
ReferenceEquals(_scope, scope) && _generation == generation;
|
||||
|
||||
private LiveSessionStartResult ConnectedResult()
|
||||
=> new(LiveSessionStartStatus.Connected, _activeSelection);
|
||||
|
||||
private void ThrowIfDisposing()
|
||||
{
|
||||
if (_disposeRequested || _disposed)
|
||||
throw new ObjectDisposedException(nameof(LiveSessionController));
|
||||
}
|
||||
|
||||
// Temporary compatibility surface for Slice 3 Commit E. The complete
|
||||
// controller above is exercised independently before GameWindow cuts over.
|
||||
public WorldSession? CreateAndWire(RuntimeOptions options, Action<WorldSession> wireEvents)
|
||||
{
|
||||
ArgumentNullException.ThrowIfNull(options);
|
||||
ArgumentNullException.ThrowIfNull(wireEvents);
|
||||
lock (_gate)
|
||||
{
|
||||
ThrowIfDisposing();
|
||||
if (!options.LiveMode)
|
||||
return null;
|
||||
if (string.IsNullOrEmpty(options.LiveUser) || string.IsNullOrEmpty(options.LivePass))
|
||||
{
|
||||
Console.WriteLine(
|
||||
"live: ACDREAM_LIVE set but TEST_USER/TEST_PASS missing; skipping");
|
||||
return null;
|
||||
}
|
||||
|
||||
try
|
||||
{
|
||||
IPEndPoint endpoint = _operations.ResolveEndpoint(options.LiveHost, options.LivePort);
|
||||
Console.WriteLine($"live: connecting to {endpoint} as {options.LiveUser}");
|
||||
_legacySession = _operations.CreateSession(endpoint);
|
||||
wireEvents(_legacySession);
|
||||
return _legacySession;
|
||||
}
|
||||
catch (Exception error)
|
||||
{
|
||||
Console.WriteLine($"live: session setup failed: {error.Message}");
|
||||
if (_legacySession is not null)
|
||||
_operations.DisposeSession(_legacySession);
|
||||
_legacySession = null;
|
||||
return null;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -12,5 +12,6 @@
|
|||
</ItemGroup>
|
||||
<ItemGroup>
|
||||
<InternalsVisibleTo Include="AcDream.Core.Net.Tests" />
|
||||
<InternalsVisibleTo Include="AcDream.App.Tests" />
|
||||
</ItemGroup>
|
||||
</Project>
|
||||
|
|
|
|||
|
|
@ -10,6 +10,29 @@ using AcDream.Core.Net.Packets;
|
|||
|
||||
namespace AcDream.Core.Net;
|
||||
|
||||
internal interface IWorldSessionTransport : IDisposable
|
||||
{
|
||||
void Send(ReadOnlySpan<byte> datagram);
|
||||
void Send(IPEndPoint remote, ReadOnlySpan<byte> datagram);
|
||||
byte[]? Receive(TimeSpan timeout, out IPEndPoint? from);
|
||||
}
|
||||
|
||||
internal sealed class NetClientWorldSessionTransport(IPEndPoint remote)
|
||||
: IWorldSessionTransport
|
||||
{
|
||||
private readonly NetClient _client = new(remote);
|
||||
|
||||
public void Send(ReadOnlySpan<byte> datagram) => _client.Send(datagram);
|
||||
|
||||
public void Send(IPEndPoint endpoint, ReadOnlySpan<byte> datagram) =>
|
||||
_client.Send(endpoint, datagram);
|
||||
|
||||
public byte[]? Receive(TimeSpan timeout, out IPEndPoint? from) =>
|
||||
_client.Receive(timeout, out from);
|
||||
|
||||
public void Dispose() => _client.Dispose();
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// High-level AC client session: owns a <see cref="NetClient"/>, drives
|
||||
/// the full handshake + character-enter-world flow, and converts the
|
||||
|
|
@ -600,7 +623,7 @@ public sealed class WorldSession : IDisposable
|
|||
|
||||
public CharacterList.Parsed? Characters { get; private set; }
|
||||
|
||||
private readonly NetClient _net;
|
||||
private readonly IWorldSessionTransport _net;
|
||||
private long _lastInboundPacketTicks = Stopwatch.GetTimestamp();
|
||||
private long _lastPingRequestTicks;
|
||||
private long _lastPingRoundTripBits = BitConverter.DoubleToInt64Bits(double.NaN);
|
||||
|
|
@ -676,10 +699,34 @@ public sealed class WorldSession : IDisposable
|
|||
private uint _gameActionSequence;
|
||||
|
||||
public WorldSession(IPEndPoint serverLogin)
|
||||
: this(
|
||||
serverLogin,
|
||||
static endpoint => new NetClientWorldSessionTransport(endpoint))
|
||||
{
|
||||
}
|
||||
|
||||
internal WorldSession(
|
||||
IPEndPoint serverLogin,
|
||||
IWorldSessionTransport transport)
|
||||
: this(serverLogin, _ => transport)
|
||||
{
|
||||
}
|
||||
|
||||
internal WorldSession(
|
||||
IPEndPoint serverLogin,
|
||||
Func<IPEndPoint, IWorldSessionTransport> transportFactory)
|
||||
{
|
||||
ArgumentNullException.ThrowIfNull(serverLogin);
|
||||
ArgumentNullException.ThrowIfNull(transportFactory);
|
||||
if (serverLogin.Port == ushort.MaxValue)
|
||||
throw new ArgumentOutOfRangeException(
|
||||
nameof(serverLogin),
|
||||
"The login endpoint must leave room for the adjacent connect port.");
|
||||
|
||||
_loginEndpoint = serverLogin;
|
||||
_connectEndpoint = new IPEndPoint(serverLogin.Address, serverLogin.Port + 1);
|
||||
_net = new NetClient(serverLogin);
|
||||
_net = transportFactory(serverLogin)
|
||||
?? throw new InvalidOperationException("The session transport factory returned null.");
|
||||
|
||||
// Phase I.6: SetTurbineChatChannels (0x0295) is a GameEvent
|
||||
// sub-opcode of 0xF7B0, not a top-level opcode. Route it through
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue