VirtualBox

source: vbox/trunk/src/VBox/Frontends/VirtualBox/include/QIHttp.h@ 17147

Last change on this file since 17147 was 14274, checked in by vboxsync, 16 years ago

FE/Qt4: 3328: FE/Qt4: Update network sub-level of all GUI networking stuff. Stuff ported to Qt4 Network module + cumulative fixes.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Date Revision Author Id
File size: 5.0 KB
Line 
1/** @file
2 *
3 * VBox frontends: Qt GUI ("VirtualBox"):
4 * QIHttp class declaration & implementation
5 */
6
7/*
8 * Copyright (C) 2006-2007 Sun Microsystems, Inc.
9 *
10 * This file is part of VirtualBox Open Source Edition (OSE), as
11 * available from http://www.virtualbox.org. This file is free software;
12 * you can redistribute it and/or modify it under the terms of the GNU
13 * General Public License (GPL) as published by the Free Software
14 * Foundation, in version 2 as it comes in the "COPYING" file of the
15 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
16 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
17 *
18 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
19 * Clara, CA 95054 USA or visit http://www.sun.com if you need
20 * additional information or have any questions.
21 */
22
23#ifndef __QIHttp_h__
24#define __QIHttp_h__
25
26/* Qt includes */
27#include <QHttp>
28#include <QTimer>
29
30/* Time to auto-disconnect if no network answer received. */
31static const int MaxWaitTime = 20000;
32
33/* This is QHttp extension to unite different happens errors
34 * into one already present error processing mechanism. */
35class QIHttp : public QHttp
36{
37 Q_OBJECT;
38
39public:
40
41 /* Additional error codes */
42 enum AdvancedError
43 {
44 /* Basic QHttp errors */
45 NoError = QHttp::NoError,
46 UnknownError = QHttp::UnknownError,
47 HostNotFound = QHttp::HostNotFound,
48 ConnectionRefused = QHttp::ConnectionRefused,
49 UnexpectedClose = QHttp::UnexpectedClose,
50 InvalidResponseHeader = QHttp::InvalidResponseHeader,
51 WrongContentLength = QHttp::WrongContentLength,
52 Aborted = QHttp::Aborted,
53 AuthenticationRequiredError = QHttp::AuthenticationRequiredError,
54 ProxyAuthenticationRequiredError = QHttp::ProxyAuthenticationRequiredError,
55
56 /* Advanced QHttp errors */
57 TimeoutError, /* MaxWaitTime time passed with no response */
58 PageNotFoundError, /* Corresponds to 404 == not found header */
59 MovedTemporarilyError /* Corresponds to 302 == moved temporarily response */
60 };
61
62 QIHttp (QObject *aParent, const QString &aHostName, quint16 aPort = 80)
63 : QHttp (aHostName, aPort, aParent)
64 , mStatusCode (0)
65 , mErrorCode (NoError)
66 {
67 mTimeoutTimer.setSingleShot (true);
68 mTimeoutTimer.setInterval (MaxWaitTime);
69 connect (&mTimeoutTimer, SIGNAL (timeout()),
70 this, SLOT (timeouted()));
71 connect (this, SIGNAL (dataReadProgress (int, int)),
72 &mTimeoutTimer, SLOT (start()));
73 connect (this, SIGNAL (dataSendProgress (int, int)),
74 &mTimeoutTimer, SLOT (start()));
75 connect (this, SIGNAL (done (bool)),
76 &mTimeoutTimer, SLOT (stop()));
77
78 connect (this, SIGNAL (responseHeaderReceived (const QHttpResponseHeader &)),
79 this, SLOT (processResponseHeader (const QHttpResponseHeader &)));
80 connect (this, SIGNAL (done (bool)), this, SLOT (processDone (bool)));
81 }
82
83 AdvancedError errorCode() const { return mErrorCode; }
84
85 QString errorString() const
86 {
87 switch (mErrorCode)
88 {
89 case TimeoutError:
90 return tr ("Connection timed out");
91 case PageNotFoundError:
92 return tr ("Could not locate the file on "
93 "the server (response: %1)").arg (mStatusCode);
94 case MovedTemporarilyError:
95 return QString::null; /* should be redirected anyway */
96 default:
97 return QHttp::errorString();
98 }
99 }
100
101 int get (const QString &aPath)
102 {
103 mTimeoutTimer.start();
104 return QHttp::get (aPath, 0);
105 }
106
107 int post (const QString &aPath)
108 {
109 mTimeoutTimer.start();
110 return QHttp::post (aPath, 0);
111 }
112
113 int request (const QHttpRequestHeader &aHeader)
114 {
115 mTimeoutTimer.start();
116 return QHttp::request (aHeader);
117 }
118
119signals:
120
121 void allIsDone (bool aError);
122
123private slots:
124
125 void timeouted()
126 {
127 mErrorCode = TimeoutError;
128 abort();
129 }
130
131 void processResponseHeader (const QHttpResponseHeader &aResponse)
132 {
133 mStatusCode = aResponse.statusCode();
134 switch (mStatusCode)
135 {
136 case 302:
137 mErrorCode = MovedTemporarilyError;
138 return abort();
139 case 404:
140 mErrorCode = PageNotFoundError;
141 return abort();
142 default:
143 mErrorCode = (AdvancedError) QHttp::error();
144 }
145 }
146
147 void processDone (bool aError)
148 {
149 if (mErrorCode == NoError)
150 mErrorCode = (AdvancedError) QHttp::error();
151 emit allIsDone (aError);
152 }
153
154private:
155
156 QTimer mTimeoutTimer;
157 int mStatusCode;
158 AdvancedError mErrorCode;
159};
160
161#endif // __QIHttp_h__
162
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