feat: add tx/rx counters

src/Client.js

@@ -20,6 +20,8 @@ export class Client extends EventEmitter {
     #address
     #keepAliveInterval
     #lastPacketDate = 0
+    #tx = 0
+    #rx = 0
 
     constructor(gateway) {
         super()
@@ -37,6 +39,7 @@ export class Client extends EventEmitter {
         console.log('sending:', buf)
         this.#ws.send(buf)
 
+        this.#tx++
         this.#lastPacketDate = Date.now()
     }
 
@@ -88,6 +91,7 @@ export class Client extends EventEmitter {
                 oneofs: true
             })
 
+            this.#rx++
             this.emit('raw', container)
         }
 
@@ -191,4 +195,12 @@ export class Client extends EventEmitter {
     get lastPacketDate() {
         return this.#lastPacketDate
     }
+
+    get tx() {
+        return this.#tx
+    }
+
+    get rx() {
+        return this.#rx
+    }
 }