| // |
| // ======================================================================== |
| // Copyright (c) 1995-2014 Mort Bay Consulting Pty. Ltd. |
| // ------------------------------------------------------------------------ |
| // All rights reserved. This program and the accompanying materials |
| // are made available under the terms of the Eclipse Public License v1.0 |
| // and Apache License v2.0 which accompanies this distribution. |
| // |
| // The Eclipse Public License is available at |
| // http://www.eclipse.org/legal/epl-v10.html |
| // |
| // The Apache License v2.0 is available at |
| // http://www.opensource.org/licenses/apache2.0.php |
| // |
| // You may elect to redistribute this code under either of these licenses. |
| // ======================================================================== |
| // |
| |
| package org.eclipse.jetty.server; |
| |
| import java.io.IOException; |
| |
| import org.eclipse.jetty.http.Generator; |
| import org.eclipse.jetty.http.HttpException; |
| import org.eclipse.jetty.http.HttpStatus; |
| import org.eclipse.jetty.http.Parser; |
| import org.eclipse.jetty.io.Connection; |
| import org.eclipse.jetty.io.EndPoint; |
| import org.eclipse.jetty.util.log.Log; |
| import org.eclipse.jetty.util.log.Logger; |
| |
| |
| /* ------------------------------------------------------------ */ |
| /** Blocking Server HTTP Connection |
| */ |
| public class BlockingHttpConnection extends AbstractHttpConnection |
| { |
| private static final Logger LOG = Log.getLogger(BlockingHttpConnection.class); |
| |
| public BlockingHttpConnection(Connector connector, EndPoint endpoint, Server server) |
| { |
| super(connector,endpoint,server); |
| } |
| |
| public BlockingHttpConnection(Connector connector, EndPoint endpoint, Server server, Parser parser, Generator generator, Request request) |
| { |
| super(connector,endpoint,server,parser,generator,request); |
| } |
| |
| @Override |
| protected void handleRequest() throws IOException |
| { |
| super.handleRequest(); |
| } |
| |
| public Connection handle() throws IOException |
| { |
| Connection connection = this; |
| |
| try |
| { |
| setCurrentConnection(this); |
| |
| // do while the endpoint is open |
| // AND the connection has not changed |
| while (_endp.isOpen() && connection==this) |
| { |
| try |
| { |
| // If we are not ended then parse available |
| if (!_parser.isComplete() && !_endp.isInputShutdown()) |
| _parser.parseAvailable(); |
| |
| // Do we have more generating to do? |
| // Loop here because some writes may take multiple steps and |
| // we need to flush them all before potentially blocking in the |
| // next loop. |
| if (_generator.isCommitted() && !_generator.isComplete() && !_endp.isOutputShutdown()) |
| _generator.flushBuffer(); |
| |
| // Flush buffers |
| _endp.flush(); |
| } |
| catch (HttpException e) |
| { |
| if (LOG.isDebugEnabled()) |
| { |
| LOG.debug("uri="+_uri); |
| LOG.debug("fields="+_requestFields); |
| LOG.debug(e); |
| } |
| _generator.sendError(e.getStatus(), e.getReason(), null, true); |
| _parser.reset(); |
| _endp.shutdownOutput(); |
| } |
| finally |
| { |
| // Is this request/response round complete and are fully flushed? |
| if (_parser.isComplete() && _generator.isComplete()) |
| { |
| // Reset the parser/generator |
| reset(); |
| |
| // look for a switched connection instance? |
| if (_response.getStatus()==HttpStatus.SWITCHING_PROTOCOLS_101) |
| { |
| Connection switched=(Connection)_request.getAttribute("org.eclipse.jetty.io.Connection"); |
| if (switched!=null) |
| connection=switched; |
| } |
| |
| // TODO Is this required? |
| if (!_generator.isPersistent() && !_endp.isOutputShutdown()) |
| { |
| LOG.warn("Safety net oshut!!! Please open a bugzilla"); |
| _endp.shutdownOutput(); |
| } |
| } |
| |
| // If we don't have a committed response and we are not suspended |
| if (_endp.isInputShutdown() && _generator.isIdle() && !_request.getAsyncContinuation().isSuspended()) |
| { |
| // then no more can happen, so close. |
| _endp.close(); |
| } |
| } |
| } |
| |
| return connection; |
| } |
| finally |
| { |
| setCurrentConnection(null); |
| _parser.returnBuffers(); |
| _generator.returnBuffers(); |
| } |
| } |
| } |