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Respect shard concurrency limit

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This commit is contained in:
Ske 2021-02-01 14:26:39 +01:00
parent ccd12df996
commit e7ae9dbe44
2 changed files with 32 additions and 8 deletions
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39
Myriad/Gateway/Cluster.cs
View File

@ -2,6 +2,7 @@
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using Myriad.Types;
@ -46,33 +47,55 @@ namespace Myriad.Gateway
public async Task Start(GatewayInfo.Bot info, ClusterSessionState? lastState = null)
{
if (lastState != null && lastState.Shards.Count == info.Shards)
await Resume(info.Url, lastState);
await Resume(info.Url, lastState, info.SessionStartLimit.MaxConcurrency);
else
await Start(info.Url, info.Shards);
await Start(info.Url, info.Shards, info.SessionStartLimit.MaxConcurrency);
}
public async Task Resume(string url, ClusterSessionState sessionState)
public async Task Resume(string url, ClusterSessionState sessionState, int concurrency)
{
_logger.Information("Resuming session with {ShardCount} shards at {Url}", sessionState.Shards.Count, url);
foreach (var shardState in sessionState.Shards)
CreateAndAddShard(url, shardState.Shard, shardState.Session);
await StartShards();
await StartShards(concurrency);
}
public async Task Start(string url, int shardCount)
public async Task Start(string url, int shardCount, int concurrency)
{
_logger.Information("Starting {ShardCount} shards at {Url}", shardCount, url);
for (var i = 0; i < shardCount; i++)
CreateAndAddShard(url, new ShardInfo(i, shardCount), null);
await StartShards();
await StartShards(concurrency);
}
private async Task StartShards()
private async Task StartShards(int concurrency)
{
var lastTime = DateTimeOffset.UtcNow;
var identifyCalls = 0;
_logger.Information("Connecting shards...");
await Task.WhenAll(_shards.Values.Select(s => s.Start()));
foreach (var shard in _shards.Values)
{
if (identifyCalls >= concurrency)
{
var timeout = lastTime + TimeSpan.FromSeconds(5.5);
var delay = timeout - DateTimeOffset.UtcNow;
if (delay > TimeSpan.Zero)
{
_logger.Information("Hit shard concurrency limit, waiting {Delay}", delay);
await Task.Delay(delay);
}
identifyCalls = 0;
lastTime = DateTimeOffset.UtcNow;
}
await shard.Start();
identifyCalls++;
}
}
private void CreateAndAddShard(string url, ShardInfo shardInfo, ShardSessionInfo? session)

1
Myriad/Types/Gateway/SessionStartLimit.cs
View File

@ -5,5 +5,6 @@
public int Total { get; init; }
public int Remaining { get; init; }
public int ResetAfter { get; init; }
public int MaxConcurrency { get; init; }
}
}