Method checkAppConnectionLimit

src/ws-handler.ts:744–757

* Make sure the connection limit is not reached with this connection. * Return a boolean wether the user can connect or not.

(ws: WebSocket)

     * Return a boolean wether the user can connect or not.
     */
    protected checkAppConnectionLimit(ws: WebSocket): Promise<boolean> {
        return this.server.adapter.getSocketsCount(ws.app.id).then(wsCount => {
            let maxConnections = parseInt(ws.app.maxConnections as string) || -1;

            if (maxConnections < 0) {
                return true;
            }

            return wsCount + 1 <= maxConnections;
        }).catch(err => {
            Log.error(err);
            return false;
        });
    }

    /**
     * Check is an incoming connection can subscribe.