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feat(multiplayer): bind admissions to durable leases

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This commit is contained in:
Josh Creek
2026-09-03 13:45:39 +01:00
parent 3e0022ce9c
commit aac81c89b6
9 changed files with 301 additions and 64 deletions
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server/store/postgres_integration_test.go
+1 -1
View File
@@ -641,7 +641,7 @@ func TestPostgreSQLConnectionReceiptsStartCompleteRelaxedCasualRoster(t *testing
if _, err := ClaimPlayerConnection(ctx, db, binding, "connect-player-0", 0, "connect-receipt-key-0000", now.Add(4*time.Second)); !errors.Is(err, domain.ErrConflict) {
t.Fatalf("stale connect replay err=%v, want conflict", err)
}
if generation, err := ClaimPlayerConnection(ctx, db, binding, "connect-player-0", 1, "reconnect-receipt-0000", now.Add(63*time.Second)); err != nil || generation != 2 {
if generation, err := ClaimPlayerConnection(ctx, db, binding, "connect-player-0", 0, "reconnect-receipt-0000", now.Add(63*time.Second)); err != nil || generation != 2 {
t.Fatalf("grace-boundary reconnect generation=%d err=%v", generation, err)
}
if err := RecordPlayerDisconnected(ctx, db, binding, "connect-player-0", 1, "stale-disconnect-0000", now.Add(64*time.Second)); !errors.Is(err, domain.ErrConflict) {
server/store/server_connection_sql.go
+4 -1
View File
@@ -78,7 +78,10 @@ func ClaimPlayerConnection(ctx context.Context, db *sql.DB, binding domain.Workl
if err != nil {
return err
}
if current != expectedGeneration || expectedGeneration == ^uint64(0) {
// A fresh process has no in-memory generation. It may recover only a
// durably disconnected lease; an active row still fences it. All
// nonzero expectations remain exact CAS operations.
if (current != expectedGeneration && !(expectedGeneration == 0 && current > 0 && disconnectedAt.Valid)) || expectedGeneration == ^uint64(0) {
return domain.ErrConflict
}
if current == 0 {