use multiple threads to respond to messages

Sources/DiscordKit/GatewayClient.swift

@@ -44,6 +44,11 @@ actor GatewayClient {
                 while !Task.isCancelled {
                     try await sendHeartbeat()
                     try await Task.sleep(for: .milliseconds(helloMessage.heartbeat_interval))
+
+                    if await !hbAck {
+                        // haven't heard back
+                        await ws.cancel()
+                    }
                 }
             } catch {
                 print("Heartbeat task canceled")
@@ -127,7 +132,8 @@ actor GatewayClient {
 
     private func attemptResume() async throws {
         guard
-            ws.closeCode.rawValue != 4004 && ws.closeCode.rawValue < 4010,
+            ws.closeCode.rawValue != 4004 && ws.closeCode.rawValue != 1000 &&
+            ws.closeCode.rawValue != 1001 && ws.closeCode.rawValue < 4010,
             let resumeURL = resumeURL,
             let sessionID = sessionID,
             let sequenceNum = sequenceNum
@@ -164,10 +170,6 @@ actor GatewayClient {
         hbAck = false
         let hbMessage = "{\"op\":1,\"d\":\(sequenceNum == nil ? "null" : String(sequenceNum!))}"
         try await ws.send(.string(hbMessage))
-        try await Task.sleep(for: .seconds(5))
-        if !hbAck {
-            ws.cancel(with: .normalClosure, reason: nil)
-        }
     }
 
     var events: AsyncStream<GatewayPayload> {

Sources/zundamon/Zundamon.swift

@@ -23,7 +23,11 @@ struct Zundamon {
 
         try await bot.connect()
 
+        await withThrowingTaskGroup(of: Void.self) { group in
+            for i in 0...5 {
+                group.addTask {
                     for await event in await bot.events {
+                        print(i)
                         switch event {
                             case .messageCreate(let event):
                                 try await MessageHandler(ctx: event, client: bot.client).handle()
@@ -31,6 +35,10 @@ struct Zundamon {
                                 continue
                         }
                     }
+                }
+            }
+
+        }
         print("bottom of main")
     }
 }