Fawkes API Fawkes Development Version
request_manager.cpp
1
2/***************************************************************************
3 * request_manager.cpp - Web Request manager
4 *
5 * Created: Fri Feb 07 16:52:20 2014
6 * Copyright 2006-2014 Tim Niemueller [www.niemueller.de]
7 ****************************************************************************/
8
9/* This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU Library General Public License for more details.
18 *
19 * Read the full text in the LICENSE.GPL file in the doc directory.
20 */
21
22#include <core/threading/mutex_locker.h>
23#include <utils/time/time.h>
24#include <webview/request_manager.h>
25#include <webview/server.h>
26
27namespace fawkes {
28
29/** @class WebRequestManager <webview/nav_manager.h>
30 * Probides information about ongoing requests.
31 * Will take a server at run-time and query it for request information.
32 * This class can persists even though the server does not, which is
33 * required fr the WebviewAspect.
34 * @author Tim Niemueller
35 */
36
37/** Constructor. */
39{
40 mutex_ = new Mutex();
41 server_ = 0;
42}
43
44/** Destructor. */
46{
47 delete mutex_;
48}
49
50void
51WebRequestManager::set_server(WebServer *server)
52{
53 MutexLocker lock(mutex_);
54 server_ = server;
55}
56
57/** Get number of currently active requests.
58 * @return number of currently active requests.
59 */
60unsigned int
62{
63 MutexLocker lock(mutex_);
64 if (server_) {
65 return server_->active_requests();
66 } else {
67 return 0;
68 }
69}
70
71/** Get time when last request was completed.
72 * If the number of active requests is zero this gives the time of
73 * last activity. Otherwise just says when the last request was
74 * completed.
75 * @return time when last request was completed
76 */
77Time
79{
80 MutexLocker lock(mutex_);
81 if (server_) {
82 return server_->last_request_completion_time();
83 } else {
84 return Time(0, 0);
85 }
86}
87
88} // end namespace fawkes
Mutex locking helper.
Definition: mutex_locker.h:34
Mutex mutual exclusion lock.
Definition: mutex.h:33
A class for handling time.
Definition: time.h:93
Time last_request_completion_time() const
Get time when last request was completed.
unsigned int num_active_requests() const
Get number of currently active requests.
Encapsulation of the libmicrohttpd webserver.
Definition: server.h:44
Time last_request_completion_time() const
Get time when last request was completed.
Definition: server.cpp:308
unsigned int active_requests() const
Get number of active requests.
Definition: server.cpp:299
Fawkes library namespace.