Function close

packages/engine.io/lib/server.ts:403–412

* Closes all clients.

()

   * Closes all clients.
   */
  public close() {
    debug("closing all open clients");
    for (const sid in this.clients) {
      if (hasOwn(this.clients, sid)) {
        this.clients[sid].close(true);
      }
    }
    this.cleanup();
    return this;
  }

  protected abstract cleanup();