perf: optimize websocket logic

Signed-off-by: MiaoWoo <admin@yumc.pw>

packages/websocket/src/transport.ts

@@ -0,0 +1,35 @@
+import { EventEmitter } from 'events'
+
+export abstract class Transport extends EventEmitter {
+    protected _id: string
+
+    server: any
+    readyState: 'opening' | 'open' | 'closing' | 'closed'
+    remoteAddress: string
+    upgraded: boolean
+    request: any
+
+    constructor(server: any) {
+        super()
+        this.server = server
+        this.readyState = 'open'
+        this.upgraded = true
+    }
+    get id() {
+        return this._id
+    }
+    send(text: string) {
+        if (this.readyState == 'open') {
+            this.doSend(text)
+        } else {
+            console.debug(`send message ${text} to close client ${this._id}`)
+        }
+    }
+    close() {
+        if ("closed" === this.readyState || "closing" === this.readyState) { return }
+        this.doClose()
+        this.readyState = 'closed'
+    }
+    abstract doSend(text: string)
+    abstract doClose()
+}