sharp-chat/SharpChat/C2SPacketHandlers/PingC2SPacketHandler.cs

40 lines
1.4 KiB
C#

using SharpChat.Auth;
using SharpChat.SockChat.S2CPackets;
using System.Net;
namespace SharpChat.C2SPacketHandlers;
public class PingC2SPacketHandler(AuthClient authClient) : C2SPacketHandler {
private readonly TimeSpan BumpInterval = TimeSpan.FromMinutes(1);
private DateTimeOffset LastBump = DateTimeOffset.MinValue;
public bool IsMatch(C2SPacketHandlerContext ctx) {
return ctx.CheckPacketId("0");
}
public async Task Handle(C2SPacketHandlerContext ctx) {
string[] parts = ctx.SplitText(2);
if(!int.TryParse(parts.FirstOrDefault(), out int pTime))
return;
ctx.Connection.BumpPing();
await ctx.Connection.Send(new PongS2CPacket());
ctx.Chat.ContextAccess.Wait();
try {
if(LastBump < DateTimeOffset.UtcNow - BumpInterval) {
(IPAddress, string)[] bumpList = [.. ctx.Chat.Users
.Where(u => u.Status == UserStatus.Online && ctx.Chat.Connections.Any(c => c.User == u))
.Select(u => (ctx.Chat.GetRemoteAddresses(u).FirstOrDefault() ?? IPAddress.None, u.UserId))];
if(bumpList.Length > 0)
await authClient.AuthBumpUsersOnlineAsync(bumpList);
LastBump = DateTimeOffset.UtcNow;
}
} finally {
ctx.Chat.ContextAccess.Release();
}
}
}