Method parseTcpError

src/ringbuffer.js:397–402

* Parse TCP error message * @param {Buffer} payload * @returns {Object} - { key, error }

(payload)

     * @returns {Object} - { key, error }
     */
    parseTcpError(payload) {
        const keyLen = payload[0];
        const key = payload.slice(1, 1 + keyLen).toString('utf8');
        const error = payload.slice(1 + keyLen).toString('utf8');
        return { key, error };
    }
    
    /**
     * Parse UDP recv message