dev/fixtures/ExampleChatGate.cs
A small chat gate component that rate-limits chat messages per connection. It validates inputs and enforces per-sender cooldowns with a simple dictionary of next-allowed times, and prunes entries older than 30 seconds.
File Access
using Sandbox;
namespace SuperuserCompatibilityLab.Engine.Chat;
internal sealed class ExampleChatGate
{
private readonly Dictionary<Guid, double> _next = new();
internal bool Accept( Connection sender, Guid requestId, string text )
{
if ( sender is null || !sender.IsActive || requestId == Guid.Empty || string.IsNullOrWhiteSpace( text )
|| text.Length > 512 || text.Any( char.IsControl ) )
{
return false;
}
var now = RealTime.Now;
foreach ( var id in _next.Where( item => item.Value + 30 < now ).Select( item => item.Key ).ToArray() )
{
_next.Remove( id );
}
if ( _next.TryGetValue( sender.Id, out var next ) ? now < next : _next.Count >= 128 )
{
return false;
}
_next[ sender.Id ] = now + 0.75;
return true;
}
}