예제 #1
0
  /**
   * Send an HTTP message to a worker and get the result
   *
   * <p>Note: expects the worker to respond with OK (200) status code.
   *
   * @param uriRequest The request to make
   * @return An InputStream of the response content
   */
  private InputStream askWorker(HttpUriRequest uriRequest) {
    try {
      HttpResponse response = httpClient.execute(uriRequest);

      if (response.getStatusLine().getStatusCode() != Response.Status.OK.getStatusCode()) {
        StatusLine statusLine = response.getStatusLine();
        EntityUtils.consume(response.getEntity());
        logger.warn(
            "Problem asking worker <"
                + metadata.getWorkerId()
                + "> "
                + "("
                + uriRequest.getURI()
                + "), "
                + "reason ["
                + statusLine.getStatusCode()
                + ": "
                + statusLine.getReasonPhrase()
                + "]");
      }

      return response.getEntity().getContent();
    } catch (IOException e) {
      logger.warn("Unable to communicated with worker " + metadata.toString());
      throw Throwables.propagate(e);
    }
  }
예제 #2
0
  /**
   * Send an HTTP message to a worker, producing helpful logging if there was a problem
   *
   * @param uriRequest The request to make
   * @param expectedStatus The expected return status
   * @return true if the method was successfully delivered & the worker gave the expected response
   */
  private boolean tellWorker(HttpUriRequest uriRequest, Response.Status expectedStatus) {
    try {
      HttpResponse response = httpClient.execute(uriRequest);

      if (response.getStatusLine().getStatusCode() != expectedStatus.getStatusCode()) {
        StatusLine statusLine = response.getStatusLine();
        EntityUtils.consume(response.getEntity());
        logger.warn(
            "Problem telling worker <"
                + metadata.getWorkerId()
                + "> "
                + "("
                + uriRequest.getURI()
                + "), "
                + "reason ["
                + statusLine.getStatusCode()
                + ": "
                + statusLine.getReasonPhrase()
                + "]");
        return false;
      }

      return true;
    } catch (IOException e) {
      logger.warn("Unable to communicated with worker " + metadata.toString());
      return false;
    }
  }