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Refactor order of shard initialization

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This commit is contained in:
Ske
2020-05-09 15:44:56 +02:00
parent 8188de7c97
commit a3517f8663
3 changed files with 41 additions and 22 deletions
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45
PluralKit.Bot/Services/ShardInfoService.cs
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@@ -13,6 +13,7 @@ namespace PluralKit.Bot
{
public class ShardInfoService
{
public class ShardInfo
{
public Instant LastConnectionTime;
@@ -23,24 +24,38 @@ namespace PluralKit.Bot
}
private ILogger _logger;
private DiscordShardedClient _client;
private Dictionary<int, ShardInfo> _shardInfo = new Dictionary<int, ShardInfo>();
public ShardInfoService(ILogger logger)
public ShardInfoService(ILogger logger, DiscordShardedClient client)
{
_client = client;
_logger = logger.ForContext<ShardInfoService>();
}
public void Init(DiscordShardedClient client)
public void Init()
{
foreach (var (shardId, shard) in client.ShardClients)
{
_shardInfo[shardId] = new ShardInfo();
// We initialize this before any shards are actually created and connected
// This means the client won't know the shard count, so we attach a listener every time a shard gets connected
_client.SocketOpened += RefreshShardList;
}
shard.Heartbeated += Heartbeated;
shard.SocketClosed += SocketClosed;
shard.Ready += Ready;
shard.Resumed += Resumed;
private async Task RefreshShardList()
{
// This callback doesn't actually receive the shard that was opening, so we just try to check we have 'em all (so far)
foreach (var (id, shard) in _client.ShardClients)
{
if (_shardInfo.ContainsKey(id)) continue;
// Call our own SocketOpened listener manually (and then attach the listener properly)
await SocketOpened(shard);
shard.SocketOpened += () => SocketOpened(shard);
// Register listeners for new shards
_logger.Information("Attaching listeners to new shard #{Shard}", shard.ShardId);
shard.Resumed += Resumed;
shard.Ready += Ready;
shard.SocketClosed += SocketClosed;
shard.Heartbeated += Heartbeated;
}
}
@@ -52,9 +67,11 @@ namespace PluralKit.Bot
return Task.CompletedTask;
}
private ShardInfo UpdateShard(DiscordClient shard)
private ShardInfo TryGetShard(DiscordClient shard)
{
// If we haven't seen this shard before, add it to the dict!
// I don't think this will ever occur since the shard number is constant up-front and we handle those
// in the RefreshShardList handler above but you never know, I guess~
if (!_shardInfo.TryGetValue(shard.ShardId, out var info))
_shardInfo[shard.ShardId] = info = new ShardInfo();
return info;
@@ -64,7 +81,7 @@ namespace PluralKit.Bot
{
_logger.Information("Shard #{Shard} resumed connection", e.Client.ShardId);
var info = UpdateShard(e.Client);
var info = TryGetShard(e.Client);
// info.LastConnectionTime = SystemClock.Instance.GetCurrentInstant();
info.Connected = true;
return Task.CompletedTask;
@@ -74,7 +91,7 @@ namespace PluralKit.Bot
{
_logger.Information("Shard #{Shard} sent Ready event", e.Client.ShardId);
var info = UpdateShard(e.Client);
var info = TryGetShard(e.Client);
info.LastConnectionTime = SystemClock.Instance.GetCurrentInstant();
info.Connected = true;
return Task.CompletedTask;
@@ -84,7 +101,7 @@ namespace PluralKit.Bot
{
_logger.Warning("Shard #{Shard} disconnected ({CloseCode}: {CloseMessage})", e.Client.ShardId, e.CloseCode, e.CloseMessage);
var info = UpdateShard(e.Client);
var info = TryGetShard(e.Client);
info.DisconnectionCount++;
info.Connected = false;
return Task.CompletedTask;
@@ -95,7 +112,7 @@ namespace PluralKit.Bot
var latency = Duration.FromMilliseconds(e.Ping);
_logger.Information("Shard #{Shard} received heartbeat (latency: {Latency} ms)", e.Client.ShardId, latency.Milliseconds);
var info = UpdateShard(e.Client);
var info = TryGetShard(e.Client);
info.LastHeartbeatTime = e.Timestamp.ToInstant();
info.Connected = true;
info.ShardLatency = latency;