Method push

lib/writers.js:208–220

* Enqueues a new request * @param {OperationState} operation * @param {Function} callback The write callback.

(operation, callback)

   * @param {Function} callback The write callback.
   */
  push(operation, callback) {
    const self = this;

    if (this.error) {
      // There was a write error, there is no point in further trying to write to the socket.
      return process.nextTick(function writePushError() {
        callback(self.error);
      });
    }

    this.queue.push({ operation: operation, callback: callback});
    this.run();
  }

  run() {
    if (!this.isRunning && this.canWrite) {