/* Handle a request from a connection.
* Called to handle a request on the connection when either the header has been received,
* or after the entire request has been received (for short requests of known length), or
* on the dispatch of an async request.
*/
public void handleAsync(AbstractHttpConnection connection) throws IOException, ServletException {
final AsyncContinuation async = connection.getRequest().getAsyncContinuation();
final AsyncContinuation.AsyncEventState state = async.getAsyncEventState();
final Request baseRequest = connection.getRequest();
final String path = state.getPath();
if (path != null) {
// this is a dispatch with a path
final String contextPath = state.getServletContext().getContextPath();
HttpURI uri = new HttpURI(URIUtil.addPaths(contextPath, path));
baseRequest.setUri(uri);
baseRequest.setRequestURI(null);
baseRequest.setPathInfo(baseRequest.getRequestURI());
if (uri.getQuery() != null) baseRequest.mergeQueryString(uri.getQuery());
}
final String target = baseRequest.getPathInfo();
final HttpServletRequest request = (HttpServletRequest) async.getRequest();
final HttpServletResponse response = (HttpServletResponse) async.getResponse();
if (LOG.isDebugEnabled()) {
LOG.debug("REQUEST " + target + " on " + connection);
handle(target, baseRequest, request, response);
LOG.debug("RESPONSE " + target + " " + connection.getResponse().getStatus());
} else handle(target, baseRequest, request, response);
}
/* Handle a request from a connection.
* Called to handle a request on the connection when either the header has been received,
* or after the entire request has been received (for short requests of known length), or
* on the dispatch of an async request.
*/
public void handle(AbstractHttpConnection connection) throws IOException, ServletException {
final String target = connection.getRequest().getPathInfo();
final Request request = connection.getRequest();
final Response response = connection.getResponse();
if (LOG.isDebugEnabled()) {
LOG.debug("REQUEST " + target + " on " + connection);
handle(target, request, request, response);
LOG.debug("RESPONSE " + target + " " + connection.getResponse().getStatus());
} else handle(target, request, request, response);
}
/* ------------------------------------------------------------ */
protected void handleRequest() throws IOException {
boolean error = false;
String threadName = null;
try {
if (LOG.isDebugEnabled()) {
threadName = Thread.currentThread().getName();
Thread.currentThread().setName(threadName + " - " + _uri);
}
// Loop here to handle async request redispatches.
// The loop is controlled by the call to async.unhandle in the
// finally block below. If call is from a non-blocking connector,
// then the unhandle will return false only if an async dispatch has
// already happened when unhandle is called. For a blocking connector,
// the wait for the asynchronous dispatch or timeout actually happens
// within the call to unhandle().
final Server server = _server;
boolean handling = _request._async.handling() && server != null && server.isRunning();
while (handling) {
_request.setHandled(false);
String info = null;
try {
_uri.getPort();
info = URIUtil.canonicalPath(_uri.getDecodedPath());
if (info == null && !_request.getMethod().equals(HttpMethods.CONNECT))
throw new HttpException(400);
_request.setPathInfo(info);
if (_out != null) _out.reopen();
if (_request._async.isInitial()) {
_request.setDispatcherType(DispatcherType.REQUEST);
_connector.customize(_endp, _request);
server.handle(this);
} else {
_request.setDispatcherType(DispatcherType.ASYNC);
server.handleAsync(this);
}
} catch (ContinuationThrowable e) {
LOG.ignore(e);
} catch (EofException e) {
LOG.debug(e);
error = true;
_request.setHandled(true);
} catch (RuntimeIOException e) {
LOG.debug(e);
error = true;
_request.setHandled(true);
} catch (HttpException e) {
LOG.debug(e);
error = true;
_request.setHandled(true);
_response.sendError(e.getStatus(), e.getReason());
} catch (Throwable e) {
if (e instanceof ThreadDeath) throw (ThreadDeath) e;
LOG.warn(String.valueOf(_uri), e);
error = true;
_request.setHandled(true);
_generator.sendError(info == null ? 400 : 500, null, null, true);
} finally {
handling = !_request._async.unhandle() && server.isRunning() && _server != null;
}
}
} finally {
if (threadName != null) Thread.currentThread().setName(threadName);
if (_request._async.isUncompleted()) {
_request._async.doComplete();
if (_expect100Continue) {
LOG.debug("100 continues not sent");
// We didn't send 100 continues, but the latest interpretation
// of the spec (see httpbis) is that the client will either
// send the body anyway, or close. So we no longer need to
// do anything special here other than make the connection not persistent
_expect100Continue = false;
if (!_response.isCommitted()) _generator.setPersistent(false);
}
if (_endp.isOpen()) {
if (error) {
_endp.shutdownOutput();
_generator.setPersistent(false);
if (!_generator.isComplete()) _response.complete();
} else {
if (!_response.isCommitted() && !_request.isHandled())
_response.sendError(HttpServletResponse.SC_NOT_FOUND);
_response.complete();
if (_generator.isPersistent()) _connector.persist(_endp);
}
} else {
_response.complete();
}
_request.setHandled(true);
}
}
}