feat: add bounded compatible session browser (#8)

Closes #8
2026-07-16 06:06:29 +02:00
parent 49564c7e7e
commit a9a2b3db35
14 changed files with 786 additions and 10 deletions
@@ -223,7 +223,9 @@ internal sealed record VisibleListingQuery(
    TenantScope Scope,
    uint ProtocolVersion,
    RegionId? RegionId,
-    int MaximumResults = ContractLimits.BrowserPageMaxItems);
+    int MaximumResults = ContractLimits.BrowserPageMaxItems,
+    SessionListingId? AfterListingId = null,
+    bool ExcludeFull = false);

 internal enum AttemptPeerRole
 {
@@ -301,7 +301,7 @@ internal sealed class InMemoryEphemeralRendezvousStore : IEphemeralRendezvousSto
            || query.ProtocolVersion == 0
            || (query.RegionId.HasValue && string.IsNullOrEmpty(query.RegionId.Value.Value))
            || query.MaximumResults <= 0
-            || query.MaximumResults > ContractLimits.BrowserPageMaxItems)
+            || query.MaximumResults > ContractLimits.BrowserPageMaxItems + 1)
        {
            throw new ArgumentOutOfRangeException(nameof(query));
        }
@@ -311,6 +311,10 @@ internal sealed class InMemoryEphemeralRendezvousStore : IEphemeralRendezvousSto
                && entry.Definition.ProtocolVersion == query.ProtocolVersion
                && entry.Definition.Visibility == ListingVisibility.Public
                && (!query.RegionId.HasValue || entry.Definition.RegionId == query.RegionId.Value)
+                && (!query.AfterListingId.HasValue
+                    || entry.Definition.ListingId.Value.CompareTo(query.AfterListingId.Value.Value) > 0)
+                && (!query.ExcludeFull
+                    || entry.Definition.CurrentPlayers < entry.Definition.MaximumPlayers)
                && _presence.ContainsKey(entry.Definition.HostPresenceHandle))
            .OrderBy(static entry => entry.Definition.ListingId.Value)
            .Take(query.MaximumResults)