コード例 #1
0
ファイル: ApiServer.java プロジェクト: ngtuna/cloudstack-gre
 @Override
 protected void runInContext() {
   HttpContext context = new BasicHttpContext(null);
   try {
     while (!Thread.interrupted() && _conn.isOpen()) {
       _httpService.handleRequest(_conn, context);
       _conn.close();
     }
   } catch (ConnectionClosedException ex) {
     if (s_logger.isTraceEnabled()) {
       s_logger.trace("ApiServer:  Client closed connection");
     }
   } catch (IOException ex) {
     if (s_logger.isTraceEnabled()) {
       s_logger.trace("ApiServer:  IOException - " + ex);
     }
   } catch (HttpException ex) {
     s_logger.warn("ApiServer:  Unrecoverable HTTP protocol violation" + ex);
   } finally {
     try {
       _conn.shutdown();
     } catch (IOException ignore) {
     }
   }
 }
コード例 #2
0
 @Override
 public void run() {
   logger.fine("New Connection Thread");
   HttpContext context = new BasicHttpContext();
   try {
     while (!Thread.interrupted() && connection.isOpen()) {
       httpService.handleRequest(connection, context);
     }
   } catch (ConnectionClosedException e) {
     logger.warning("Connection closed: " + e.getMessage());
   } catch (IOException e) {
     logger.warning("I/O error: " + e.getMessage());
   } catch (HttpException e) {
     logger.warning("Unrecoverable HTTP protocol violation: " + e.getMessage());
   } finally {
     try {
       connection.shutdown();
     } catch (IOException e) {
       logger.warning("Failed to shut down connection: " + e.getMessage());
     }
   }
 }
コード例 #3
0
  private void handleRequest(RequestObject reqObj) {
    final Path path = reqObj.getPath();
    final HttpServerConnection conn = reqObj.getConn();
    final HttpRequest req = reqObj.getRequest();

    WebServerLog.log(this, "Request handler got a request:\n" + req.toString());

    if (!req.getRequestLine().getMethod().toUpperCase().equals("GET")) {
      return;
    }

    final HttpResponse response =
        new BasicHttpResponse(HttpVersion.HTTP_1_1, HttpStatus.SC_OK, ReasonPhrases.OK);

    boolean applyFilters;
    applyFilters = handleFileRequest(path, response);

    if (applyFilters) {
      filterChain.reset(path.toString());
      filterChain.doFilter(reqObj.getRequest(), response);
    }
    try {
      proc.process(response, new BasicHttpContext());
      addContentType(path, response);
    } catch (HttpException | IOException e1) {
      WebServerLog.log(this, "Request handler failed to 'process' response after filtering");
      e1.printStackTrace();
    }
    WebServerLog.log(this, "Request handler is sending a response:\n" + response.toString());

    try {
      conn.sendResponseHeader(response);
      conn.sendResponseEntity(response);
    } catch (HttpException | IOException e) {
      WebServerLog.log(this, "Request handler has encountered error while sending response");
      e.printStackTrace();
    }
  }
コード例 #4
0
  /**
   * Handles receives one HTTP request over the given connection within the given execution context
   * and sends a response back to the client.
   *
   * @param conn the active connection to the client
   * @param context the actual execution context.
   * @throws IOException in case of an I/O error.
   * @throws HttpException in case of HTTP protocol violation or a processing problem.
   */
  public void handleRequest(final HttpServerConnection conn, final HttpContext context)
      throws IOException, HttpException {

    context.setAttribute(ExecutionContext.HTTP_CONNECTION, conn);

    HttpResponse response = null;

    try {

      HttpRequest request = conn.receiveRequestHeader();
      request.setParams(new DefaultedHttpParams(request.getParams(), this.params));

      ProtocolVersion ver = request.getRequestLine().getProtocolVersion();
      if (!ver.lessEquals(HttpVersion.HTTP_1_1)) {
        // Downgrade protocol version if greater than HTTP/1.1
        ver = HttpVersion.HTTP_1_1;
      }

      if (request instanceof HttpEntityEnclosingRequest) {

        if (((HttpEntityEnclosingRequest) request).expectContinue()) {
          response = this.responseFactory.newHttpResponse(ver, HttpStatus.SC_CONTINUE, context);
          response.setParams(new DefaultedHttpParams(response.getParams(), this.params));

          if (this.expectationVerifier != null) {
            try {
              this.expectationVerifier.verify(request, response, context);
            } catch (HttpException ex) {
              response =
                  this.responseFactory.newHttpResponse(
                      HttpVersion.HTTP_1_0, HttpStatus.SC_INTERNAL_SERVER_ERROR, context);
              response.setParams(new DefaultedHttpParams(response.getParams(), this.params));
              handleException(ex, response);
            }
          }
          if (response.getStatusLine().getStatusCode() < 200) {
            // Send 1xx response indicating the server expections
            // have been met
            conn.sendResponseHeader(response);
            conn.flush();
            response = null;
            conn.receiveRequestEntity((HttpEntityEnclosingRequest) request);
          }
        } else {
          conn.receiveRequestEntity((HttpEntityEnclosingRequest) request);
        }
      }

      if (response == null) {
        response = this.responseFactory.newHttpResponse(ver, HttpStatus.SC_OK, context);
        response.setParams(new DefaultedHttpParams(response.getParams(), this.params));

        context.setAttribute(ExecutionContext.HTTP_REQUEST, request);
        context.setAttribute(ExecutionContext.HTTP_RESPONSE, response);

        this.processor.process(request, context);
        doService(request, response, context);
      }

      // Make sure the request content is fully consumed
      if (request instanceof HttpEntityEnclosingRequest) {
        HttpEntity entity = ((HttpEntityEnclosingRequest) request).getEntity();
        if (entity != null) {
          entity.consumeContent();
        }
      }

    } catch (HttpException ex) {
      response =
          this.responseFactory.newHttpResponse(
              HttpVersion.HTTP_1_0, HttpStatus.SC_INTERNAL_SERVER_ERROR, context);
      response.setParams(new DefaultedHttpParams(response.getParams(), this.params));
      handleException(ex, response);
    }

    this.processor.process(response, context);
    conn.sendResponseHeader(response);
    conn.sendResponseEntity(response);
    conn.flush();

    if (!this.connStrategy.keepAlive(response, context)) {
      conn.close();
    }
  }