Add sharding support

This commit is contained in:
Noikoio 2019-09-06 18:07:03 -07:00
parent a88f666cc8
commit d06afbd510
7 changed files with 43 additions and 27 deletions

View file

@ -15,11 +15,14 @@ Class Heartbeat
Log($"Tick {tick:00000} - Bot uptime: {BotUptime()}")
End If
If (BotInstance.DiscordClient.ConnectionState = Discord.ConnectionState.Disconnected) Then
Log("Client is disconnected! Restart the app if this persists.")
' The library alone cannot be restarted as it is in an unknown state. It was not designed to be restarted.
' This is the part where we'd signal something to restart us if we were fancy.
End If
' Disconnection warn
For Each shard In BotInstance.DiscordClient.Shards
If shard.ConnectionState = Discord.ConnectionState.Disconnected Then
Log($"Shard {shard.ShardId} is disconnected! Restart the app if this persists.")
' The library alone cannot be restarted as it is in an unknown state. It was not designed to be restarted.
' This is the part where we'd signal something to restart us if we were fancy.
End If
Next
Return Task.CompletedTask
End Function

View file

@ -15,22 +15,22 @@ Class BirthdayBot
Private ReadOnly _cmdsHelp As HelpInfoCommands
Private ReadOnly _cmdsMods As ManagerCommands
Private WithEvents _client As DiscordSocketClient
Private WithEvents Client As DiscordShardedClient
Private ReadOnly _worker As BackgroundServiceRunner
Friend ReadOnly Property Config As Configuration
Friend ReadOnly Property DiscordClient As DiscordSocketClient
Friend ReadOnly Property DiscordClient As DiscordShardedClient
Get
Return _client
Return Client
End Get
End Property
Friend ReadOnly Property GuildCache As ConcurrentDictionary(Of ULong, GuildStateInformation)
Public Sub New(conf As Configuration, dc As DiscordSocketClient)
Public Sub New(conf As Configuration, dc As DiscordShardedClient)
Config = conf
_client = dc
Client = dc
GuildCache = New ConcurrentDictionary(Of ULong, GuildStateInformation)
_worker = New BackgroundServiceRunner(Me)
@ -56,8 +56,8 @@ Class BirthdayBot
End Sub
Public Async Function Start() As Task
Await _client.LoginAsync(TokenType.Bot, Config.BotToken)
Await _client.StartAsync()
Await Client.LoginAsync(TokenType.Bot, Config.BotToken)
Await Client.StartAsync()
_worker.Start()
Await Task.Delay(-1)
@ -68,28 +68,28 @@ Class BirthdayBot
''' </summary>
Public Async Function Shutdown() As Task
Await _worker.Cancel()
Await _client.LogoutAsync()
_client.Dispose()
Await Client.LogoutAsync()
Client.Dispose()
End Function
Private Async Function LoadGuild(g As SocketGuild) As Task Handles _client.JoinedGuild, _client.GuildAvailable
Private Async Function LoadGuild(g As SocketGuild) As Task Handles Client.JoinedGuild, Client.GuildAvailable
If Not GuildCache.ContainsKey(g.Id) Then
Dim gi = Await GuildStateInformation.LoadSettingsAsync(Config.DatabaseSettings, g.Id)
GuildCache.TryAdd(g.Id, gi)
End If
End Function
Private Function DiscardGuild(g As SocketGuild) As Task Handles _client.LeftGuild
Private Function DiscardGuild(g As SocketGuild) As Task Handles Client.LeftGuild
Dim rm As GuildStateInformation = Nothing
GuildCache.TryRemove(g.Id, rm)
Return Task.CompletedTask
End Function
Private Async Function SetStatus() As Task Handles _client.Connected
Await _client.SetGameAsync(CommandPrefix + "help")
Private Async Function SetStatus() As Task Handles Client.ShardConnected
Await Client.SetGameAsync(CommandPrefix + "help")
End Function
Private Async Function Dispatch(msg As SocketMessage) As Task Handles _client.MessageReceived
Private Async Function Dispatch(msg As SocketMessage) As Task Handles Client.MessageReceived
If TypeOf msg.Channel Is IDMChannel Then Return
If msg.Author.IsBot Then Return

View file

@ -4,7 +4,7 @@
<OutputType>Exe</OutputType>
<RootNamespace>BirthdayBot</RootNamespace>
<TargetFramework>netcoreapp2.0</TargetFramework>
<Version>1.2.0</Version>
<Version>1.3.0</Version>
<Authors>Noiiko</Authors>
<Company />
<Description>Discord bot for birthday reminders.</Description>

View file

@ -10,6 +10,8 @@ Class Configuration
Public ReadOnly Property DBotsToken As String
Public ReadOnly Property DatabaseSettings As Database
Public ReadOnly Property ShardCount As Integer
Sub New()
' Looks for settings.json in the executable directory.
Dim confPath = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location)
@ -38,5 +40,15 @@ Class Configuration
Throw New Exception("'SqlConnectionString' must be specified.")
End If
DatabaseSettings = New Database(sqlcs)
Dim sc? = jc("ShardCount")?.Value(Of Integer)()
If Not sc.HasValue Then
ShardCount = 1
Else
ShardCount = sc.Value
If ShardCount <= 0 Then
Throw New Exception("'ShardCount' must be a positive integer.")
End If
End If
End Sub
End Class

View file

@ -25,9 +25,11 @@ Module Program
.AlwaysDownloadUsers = True
.DefaultRetryMode = Discord.RetryMode.RetryRatelimit
.MessageCacheSize = 0
.TotalShards = cfg.ShardCount
.ExclusiveBulkDelete = True
End With
Dim client As New DiscordSocketClient(dc)
Dim client As New DiscordShardedClient(dc)
AddHandler client.Log, AddressOf DNetLog
_bot = New BirthdayBot(cfg, client)
@ -50,6 +52,7 @@ Module Program
End Sub
Private Function DNetLog(arg As LogMessage) As Task
If arg.Severity <= LogSeverity.Info Then
Log("Discord.Net", $"{arg.Severity}: {arg.Message}")
End If

View file

@ -38,7 +38,7 @@ Friend MustInherit Class CommandsCommon
Protected ReadOnly Instance As BirthdayBot
Protected ReadOnly BotConfig As Configuration
Protected ReadOnly Discord As DiscordSocketClient
Protected ReadOnly Discord As DiscordShardedClient
Sub New(inst As BirthdayBot, db As Configuration)
Instance = inst

View file

@ -7,11 +7,9 @@ Friend Class HelpInfoCommands
Private ReadOnly _helpEmbed As Embed
Private ReadOnly _helpConfigEmbed As Embed
Private ReadOnly _discordClient As DiscordSocketClient
Sub New(inst As BirthdayBot, db As Configuration, client As DiscordSocketClient)
Sub New(inst As BirthdayBot, db As Configuration, client As DiscordShardedClient)
MyBase.New(inst, db)
_discordClient = client
Dim embeds = BuildHelpEmbeds()
_helpEmbed = embeds.Item1
_helpConfigEmbed = embeds.Item2
@ -146,7 +144,7 @@ Friend Class HelpInfoCommands
Dim strStatus As New StringBuilder
Dim asmnm = Reflection.Assembly.GetExecutingAssembly.GetName()
strStatus.AppendLine("Birthday Bot v" + asmnm.Version.ToString(3))
strStatus.AppendLine("Server count: " + _discordClient.Guilds.Count.ToString())
strStatus.AppendLine("Server count: " + Discord.Guilds.Count.ToString())
strStatus.AppendLine("Uptime: " + BotUptime())
' TODO fun stats
@ -155,7 +153,7 @@ Friend Class HelpInfoCommands
Dim embed As New EmbedBuilder With {
.Author = New EmbedAuthorBuilder() With {
.Name = "Thank you for using Birthday Bot!",
.IconUrl = _discordClient.CurrentUser.GetAvatarUrl()
.IconUrl = Discord.CurrentUser.GetAvatarUrl()
},
.Description = "Suggestions and feedback are always welcome. Please refer to the listing on Discord Bots " +
"(discord.bots.gg) for information on reaching my personal server. I may not be available often, but I am happy to " +