fix: retry mechanism broken

We should retry in case of Request Timeout (408) or Service Unavailable (503).

The retry mechanism broke as result of commit c2fd342 (exit with an error if server unexpectedly closes the connection). This commit fixes the broken retry mechanism.

Author: urish

src/APIClient.ts

@@ -55,6 +55,7 @@ export class APIClient {
       });
       this.socket.addEventListener("open", resolve);
       this.socket.on("unexpected-response", (req, res) => {
+        this.closed = true;
         this.socket.close();
         const RequestTimeout = 408;
         const ServiceUnavailable = 503;
@@ -110,6 +111,7 @@ export class APIClient {
 
     console.log(`Retrying connection to ${this.server}...`);
     this.socket = this.createSocket(this.token, this.server);
+    this.closed = false;
     await this.connectSocket(this.socket);
   }