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Add CultNet shard catalog routing

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Meta Vens 2026-05-19 17:34:49 +01:00
commit 4af500a87d
8 changed files with 440 additions and 20 deletions
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39
src/GameCult.Networking/CultNetDatabaseServer.cs
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@ -19,6 +19,7 @@ namespace GameCult.Networking
private readonly Func<CultNetSnapshotRequestMessage, NetPeer, Task> _snapshotHandler;
private readonly Func<CultNetDocumentPutRawMessage, NetPeer, Task> _putHandler;
private readonly Func<CultNetDocumentDeleteMessage, NetPeer, Task> _deleteHandler;
private readonly Func<CultNetShardCatalogRequestMessage, NetPeer, Task> _shardCatalogHandler;
private readonly Func<CultNetDatabaseSubscribeMessage, NetPeer, Task> _subscribeHandler;
private readonly Func<CultNetDatabaseUnsubscribeMessage, NetPeer, Task> _unsubscribeHandler;
private readonly ConcurrentDictionary<string, IDisposable> _subscriptions = new(StringComparer.Ordinal);
@ -34,12 +35,14 @@ namespace GameCult.Networking
_snapshotHandler = HandleSnapshotRequestAsync;
_putHandler = HandlePutAsync;
_deleteHandler = HandleDeleteAsync;
_shardCatalogHandler = HandleShardCatalogRequestAsync;
_subscribeHandler = HandleSubscribeAsync;
_unsubscribeHandler = HandleUnsubscribeAsync;
_server.OnCultNet(_snapshotHandler);
_server.OnCultNet(_putHandler);
_server.OnCultNet(_deleteHandler);
_server.OnCultNet(_shardCatalogHandler);
_server.OnCultNet(_subscribeHandler);
_server.OnCultNet(_unsubscribeHandler);
}
@ -77,6 +80,14 @@ namespace GameCult.Networking
request);
}
/// <summary>
/// Creates a shard catalog response from the database shard map.
/// </summary>
public CultNetShardCatalogResponseMessage CreateShardCatalogResponse(CultNetShardCatalogRequestMessage request)
{
return _database.CreateShardCatalogResponse(request);
}
/// <summary>
/// Detaches handlers from the server.
/// </summary>
@ -91,6 +102,7 @@ namespace GameCult.Networking
_server.RemoveCultNetMessageListener<CultNetSnapshotRequestMessage>(_snapshotHandler);
_server.RemoveCultNetMessageListener<CultNetDocumentPutRawMessage>(_putHandler);
_server.RemoveCultNetMessageListener<CultNetDocumentDeleteMessage>(_deleteHandler);
_server.RemoveCultNetMessageListener<CultNetShardCatalogRequestMessage>(_shardCatalogHandler);
_server.RemoveCultNetMessageListener<CultNetDatabaseSubscribeMessage>(_subscribeHandler);
_server.RemoveCultNetMessageListener<CultNetDatabaseUnsubscribeMessage>(_unsubscribeHandler);
foreach (var subscription in _subscriptions.Values)
@ -107,12 +119,22 @@ namespace GameCult.Networking
return Task.CompletedTask;
}
private Task HandleShardCatalogRequestAsync(CultNetShardCatalogRequestMessage request, NetPeer peer)
{
peer.SendCultNet(CreateShardCatalogResponse(request));
return Task.CompletedTask;
}
private async Task HandlePutAsync(CultNetDocumentPutRawMessage message, NetPeer peer)
{
try
{
await ApplyPutAsync(message).ConfigureAwait(false);
}
catch (CultNetShardAuthorityException ex)
{
peer.SendCultNet(CreateRoutingError(ex));
}
catch (Exception ex)
{
peer.SendCultNet(new CultNetErrorMessage { Error = ex.Message });
@ -125,6 +147,10 @@ namespace GameCult.Networking
{
await ApplyDeleteAsync(message).ConfigureAwait(false);
}
catch (CultNetShardAuthorityException ex)
{
peer.SendCultNet(CreateRoutingError(ex));
}
catch (Exception ex)
{
peer.SendCultNet(new CultNetErrorMessage { Error = ex.Message });
@ -260,5 +286,18 @@ namespace GameCult.Networking
{
return $"{peer.Id}:{subscriptionId}";
}
private static CultNetErrorMessage CreateRoutingError(CultNetShardAuthorityException exception)
{
return new CultNetErrorMessage
{
Error = exception.Message,
RoutingHint = new CultNetShardRoutingHint
{
Reason = exception.Shard.IsPrimary ? "stale_epoch" : "not_primary",
Shard = CultNetDatabase.ToMessage(exception.Shard)
}
};
}
}
}