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Refactor periodic event loop

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This commit is contained in:
Ske 2020-04-29 01:14:49 +02:00
parent 483a9d6ed9
commit 12aef1f61d
1 changed files with 31 additions and 28 deletions
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25
PluralKit.Bot/Bot.cs
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@ -15,6 +15,8 @@ using DSharpPlus.EventArgs;
using Microsoft.Extensions.Configuration;
using NodaTime;
using PluralKit.Core;
using Sentry;
@ -106,6 +108,7 @@ namespace PluralKit.Bot
private ILogger _logger;
private WebhookRateLimitService _webhookRateLimit;
private int _periodicUpdateCount;
private Task _periodicWorker;
public Bot(ILifetimeScope services, DiscordShardedClient client, IMetrics metrics, PeriodicStatCollector collector, ILogger logger, WebhookRateLimitService webhookRateLimit)
{
@ -132,6 +135,9 @@ namespace PluralKit.Bot
_services.Resolve<ShardInfoService>().Init(_client);
// Will not be awaited, just runs in the background
_periodicWorker = UpdatePeriodic();
return Task.CompletedTask;
}
@ -159,9 +165,15 @@ namespace PluralKit.Bot
_logger.Write(level, args.Exception, "D#+ {Source}: {Message}", args.Application, args.Message);
}
// Method called every 60 seconds
private async Task UpdatePeriodic()
{
while (true)
{
// Run at every whole minute (:00), mostly because I feel like it
var timeNow = SystemClock.Instance.GetCurrentInstant();
var timeTillNextWholeMinute = 60000 - (timeNow.ToUnixTimeMilliseconds() % 60000);
await Task.Delay((int) timeTillNextWholeMinute);
// Change bot status
var totalGuilds = _client.ShardClients.Values.Sum(c => c.Guilds.Count);
try // DiscordClient may throw an exception if the socket is closed (e.g just after OP 7 received)
@ -181,20 +193,11 @@ namespace PluralKit.Bot
_logger.Information("Submitted metrics to backend");
await Task.WhenAll(((IMetricsRoot) _metrics).ReportRunner.RunAllAsync());
}
}
private Task ShardReady(ReadyEventArgs e)
{
_logger.Information("Shard {Shard} connected to {ChannelCount} channels in {GuildCount} guilds", e.Client.ShardId, e.Client.Guilds.Sum(g => g.Value.Channels.Count), e.Client.Guilds.Count);
if (e.Client.ShardId == 0)
{
_updateTimer = new Timer((_) => {
HandleEvent(_ => UpdatePeriodic());
}, null, TimeSpan.Zero, TimeSpan.FromMinutes(1));
_logger.Information("PluralKit started as {Username}#{Discriminator} ({Id})", _client.CurrentUser.Username, _client.CurrentUser.Discriminator, _client.CurrentUser.Id);
}
return Task.CompletedTask;
}