91 lines
4.0 KiB
C#
91 lines
4.0 KiB
C#
using System.Collections.Generic;
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using System.Diagnostics;
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using System.Linq;
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using System.Threading.Tasks;
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using App.Metrics;
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using Discord;
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using Discord.WebSocket;
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using NodaTime.Extensions;
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using PluralKit.Core;
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using Serilog;
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namespace PluralKit.Bot
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{
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public class PeriodicStatCollector
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{
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private DiscordShardedClient _client;
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private IMetrics _metrics;
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private CpuStatService _cpu;
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private IDataStore _data;
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private WebhookCacheService _webhookCache;
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private WebhookRateLimitService _webhookRateLimitCache;
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private DbConnectionCountHolder _countHolder;
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private ILogger _logger;
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public PeriodicStatCollector(IDiscordClient client, IMetrics metrics, ILogger logger, WebhookCacheService webhookCache, DbConnectionCountHolder countHolder, IDataStore data, CpuStatService cpu, WebhookRateLimitService webhookRateLimitCache)
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{
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_client = (DiscordShardedClient) client;
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_metrics = metrics;
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_webhookCache = webhookCache;
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_countHolder = countHolder;
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_data = data;
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_cpu = cpu;
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_webhookRateLimitCache = webhookRateLimitCache;
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_logger = logger.ForContext<PeriodicStatCollector>();
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}
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public async Task CollectStats()
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{
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var stopwatch = new Stopwatch();
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stopwatch.Start();
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// Aggregate guild/channel stats
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_metrics.Measure.Gauge.SetValue(BotMetrics.Guilds, _client.Guilds.Count);
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_metrics.Measure.Gauge.SetValue(BotMetrics.Channels, _client.Guilds.Sum(g => g.TextChannels.Count));
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_metrics.Measure.Gauge.SetValue(BotMetrics.ShardsConnected, _client.Shards.Count(shard => shard.ConnectionState == ConnectionState.Connected));
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// Aggregate member stats
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var usersKnown = new HashSet<ulong>();
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var usersOnline = new HashSet<ulong>();
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foreach (var guild in _client.Guilds)
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foreach (var user in guild.Users)
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{
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usersKnown.Add(user.Id);
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if (user.Status == UserStatus.Online) usersOnline.Add(user.Id);
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}
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_metrics.Measure.Gauge.SetValue(BotMetrics.MembersTotal, usersKnown.Count);
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_metrics.Measure.Gauge.SetValue(BotMetrics.MembersOnline, usersOnline.Count);
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// Aggregate DB stats
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_metrics.Measure.Gauge.SetValue(CoreMetrics.SystemCount, await _data.GetTotalSystems());
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_metrics.Measure.Gauge.SetValue(CoreMetrics.MemberCount, await _data.GetTotalMembers());
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_metrics.Measure.Gauge.SetValue(CoreMetrics.SwitchCount, await _data.GetTotalSwitches());
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_metrics.Measure.Gauge.SetValue(CoreMetrics.MessageCount, await _data.GetTotalMessages());
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// Process info
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var process = Process.GetCurrentProcess();
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_metrics.Measure.Gauge.SetValue(CoreMetrics.ProcessPhysicalMemory, process.WorkingSet64);
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_metrics.Measure.Gauge.SetValue(CoreMetrics.ProcessVirtualMemory, process.VirtualMemorySize64);
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_metrics.Measure.Gauge.SetValue(CoreMetrics.ProcessPrivateMemory, process.PrivateMemorySize64);
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_metrics.Measure.Gauge.SetValue(CoreMetrics.ProcessThreads, process.Threads.Count);
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_metrics.Measure.Gauge.SetValue(CoreMetrics.ProcessHandles, process.HandleCount);
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_metrics.Measure.Gauge.SetValue(CoreMetrics.CpuUsage, await _cpu.EstimateCpuUsage());
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// Database info
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_metrics.Measure.Gauge.SetValue(CoreMetrics.DatabaseConnections, _countHolder.ConnectionCount);
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// Other shiz
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_metrics.Measure.Gauge.SetValue(BotMetrics.WebhookCacheSize, _webhookCache.CacheSize);
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_metrics.Measure.Gauge.SetValue(BotMetrics.WebhookRateLimitCacheSize, _webhookRateLimitCache.CacheSize);
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stopwatch.Stop();
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_logger.Information("Updated metrics in {Time}", stopwatch.ElapsedDuration());
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}
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}
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} |