add constants, some debug stuff (#791)

* add constants, some debug stuff

* i can't believe i did this

src/client/ClientManager.js

@@ -49,6 +49,7 @@ class ClientManager {
    */
   setupKeepAlive(time) {
     this.heartbeatInterval = this.client.setInterval(() => {
+      this.client.emit('debug', 'SENDING HEARTBEAT');
       this.client.ws.send({
         op: Constants.OPCodes.HEARTBEAT,
         d: this.client.ws.sequence,

src/client/websocket/WebSocketManager.js

@@ -221,7 +221,7 @@ class WebSocketManager extends EventEmitter {
 
     this.client.emit('raw', packet);
 
-    if (packet.op === 10) this.client.manager.setupKeepAlive(packet.d.heartbeat_interval);
+    if (packet.op === Constants.OPCodes.HELLO) this.client.manager.setupKeepAlive(packet.d.heartbeat_interval);
     return this.packetManager.handle(packet);
   }
 

src/client/websocket/packets/WebSocketPacketManager.js

@@ -77,6 +77,8 @@ class WebSocketPacketManager {
       return false;
     }
 
+    if (packet.op === Constants.OPCodes.HEARTBEAT_ACK) this.ws.client.emit('debug', 'HEARTBEAT ACK');
+
     if (this.ws.status === Constants.Status.RECONNECTING) {
       this.ws.reconnecting = false;
       this.ws.checkIfReady();

src/util/Constants.js

@@ -140,6 +140,8 @@ exports.OPCodes = {
   RECONNECT: 7,
   REQUEST_GUILD_MEMBERS: 8,
   INVALID_SESSION: 9,
+  HELLO: 10,
+  HEARTBEAT_ACK: 11,
 };
 
 exports.VoiceOPCodes = {