57 lines
2 KiB
C#
57 lines
2 KiB
C#
using SharpChat.Misuzu;
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using SharpChat.Packet;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Threading.Tasks;
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namespace SharpChat.PacketHandlers {
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public class PingHandler : IChatPacketHandler {
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private readonly MisuzuClient Misuzu;
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private readonly object BumpAccess = new();
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private readonly TimeSpan BumpInterval = TimeSpan.FromMinutes(1);
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private DateTimeOffset LastBump = DateTimeOffset.MinValue;
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public PingHandler(MisuzuClient msz) {
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Misuzu = msz ?? throw new ArgumentNullException(nameof(msz));
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}
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public bool IsMatch(ChatPacketHandlerContext ctx) {
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return ctx.CheckPacketId("0");
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}
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public void Handle(ChatPacketHandlerContext ctx) {
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string[] parts = ctx.SplitText(2);
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if(!int.TryParse(parts.FirstOrDefault(), out int pTime))
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return;
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ctx.Connection.BumpPing();
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ctx.Connection.Send(new PongPacket(ctx.Connection.LastPing));
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lock(BumpAccess) {
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if(LastBump < DateTimeOffset.UtcNow - BumpInterval) {
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(string, string)[] bumpList;
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lock(ctx.Chat.UsersAccess) {
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IEnumerable<ChatUser> filtered = ctx.Chat.Users.Where(u => u.Status == ChatUserStatus.Online);
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lock(ctx.Chat.ConnectionsAccess)
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filtered = filtered.Where(u => ctx.Chat.Connections.Any(c => c.User == u));
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bumpList = filtered
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.Select(u => (u.UserId.ToString(), ctx.Chat.GetRemoteAddresses(u).FirstOrDefault()?.ToString() ?? string.Empty))
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.ToArray();
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}
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if(bumpList.Any())
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Task.Run(async () => {
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await Misuzu.BumpUsersOnlineAsync(bumpList);
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}).Wait();
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LastBump = DateTimeOffset.UtcNow;
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}
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}
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}
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}
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}
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