summaryrefslogtreecommitdiffstats
path: root/doc/html/qhttp-h.html
blob: c3495cc826dc029e878aa072b6b9c7537a6a104a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/include/qhttp.h:1 -->
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>qhttp.h Include File</title>
<style type="text/css"><!--
fn { margin-left: 1cm; text-indent: -1cm; }
a:link { color: #004faf; text-decoration: none }
a:visited { color: #672967; text-decoration: none }
body { background: #ffffff; color: black; }
--></style>
</head>
<body>

<table border="0" cellpadding="0" cellspacing="0" width="100%">
<tr bgcolor="#E5E5E5">
<td valign=center>
 <a href="index.html">
<font color="#004faf">Home</font></a>
 | <a href="classes.html">
<font color="#004faf">All&nbsp;Classes</font></a>
 | <a href="mainclasses.html">
<font color="#004faf">Main&nbsp;Classes</font></a>
 | <a href="annotated.html">
<font color="#004faf">Annotated</font></a>
 | <a href="groups.html">
<font color="#004faf">Grouped&nbsp;Classes</font></a>
 | <a href="functions.html">
<font color="#004faf">Functions</font></a>
</td>
<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>qhttp.h</h1>

<p>This is the verbatim text of the qhttp.h include file. It is provided only for illustration; the copyright remains with Trolltech.
<hr>
<pre>
/****************************************************************************
** $Id: qt/qhttp.h   3.3.8   edited Jan 11 14:46 $
**
** Definition of QHttp and related classes.
**
** Created : 970521
**
** Copyright (C) 1997-2007 Trolltech ASA.  All rights reserved.
**
** This file is part of the network module of the Qt GUI Toolkit.
**
** This file may be used under the terms of the GNU General Public
** License versions 2.0 or 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Alternatively you may (at your option) use any
** later version of the GNU General Public License if such license has
** been publicly approved by Trolltech ASA (or its successors, if any)
** and the KDE Free Qt Foundation.
**
** Please review the following information to ensure GNU General
** Public Licensing requirements will be met:
** http://trolltech.com/products/qt/licenses/licensing/opensource/.
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
** or contact the sales department at sales@trolltech.com.
**
** This file may be used under the terms of the Q Public License as
** defined by Trolltech ASA and appearing in the file LICENSE.QPL
** included in the packaging of this file.  Licensees holding valid Qt
** Commercial licenses may use this file in accordance with the Qt
** Commercial License Agreement provided with the Software.
**
** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
** herein.
**
**********************************************************************/

#ifndef QHTTP_H
#define QHTTP_H

#ifndef QT_H
#include "qobject.h"
#include "qnetworkprotocol.h"
#include "qstringlist.h"
#endif // QT_H

#if !defined( QT_MODULE_NETWORK ) || defined( QT_LICENSE_PROFESSIONAL ) || defined( QT_INTERNAL_NETWORK )
#define QM_EXPORT_HTTP
#define QM_TEMPLATE_EXTERN_HTTP
#else
#define QM_EXPORT_HTTP Q_EXPORT
#define QM_TEMPLATE_EXTERN_HTTP Q_TEMPLATE_EXTERN
#endif

#ifndef QT_NO_NETWORKPROTOCOL_HTTP

class QSocket;
class QTimerEvent;
class QTextStream;
class QIODevice;

class QHttpPrivate;
class QHttpRequest;

class QM_EXPORT_HTTP QHttpHeader
{
public:
    QHttpHeader();
    QHttpHeader( const QHttpHeader&amp; header );
    QHttpHeader( const QString&amp; str );
    virtual ~QHttpHeader();

    QHttpHeader&amp; operator=( const QHttpHeader&amp; h );

    QString value( const QString&amp; key ) const;
    void setValue( const QString&amp; key, const QString&amp; value );
    void removeValue( const QString&amp; key );

    QStringList keys() const;
    bool hasKey( const QString&amp; key ) const;

    bool hasContentLength() const;
    uint contentLength() const;
    void setContentLength( int len );

    bool hasContentType() const;
    QString contentType() const;
    void setContentType( const QString&amp; type );

    virtual QString toString() const;
    bool isValid() const;

    virtual int majorVersion() const = 0;
    virtual int minorVersion() const = 0;

protected:
    virtual bool parseLine( const QString&amp; line, int number );
    bool parse( const QString&amp; str );
    void setValid( bool );

private:
    QMap&lt;QString,QString&gt; values;
    bool valid;
};

class QM_EXPORT_HTTP QHttpResponseHeader : public QHttpHeader
{
private:
    QHttpResponseHeader( int code, const QString&amp; text = QString::null, int majorVer = 1, int minorVer = 1 );
    QHttpResponseHeader( const QString&amp; str );

    void setStatusLine( int code, const QString&amp; text = QString::null, int majorVer = 1, int minorVer = 1 );

public:
    QHttpResponseHeader();
    QHttpResponseHeader( const QHttpResponseHeader&amp; header );

    int statusCode() const;
    QString reasonPhrase() const;

    int majorVersion() const;
    int minorVersion() const;

    QString toString() const;

protected:
    bool parseLine( const QString&amp; line, int number );

private:
    int statCode;
    QString reasonPhr;
    int majVer;
    int minVer;

    friend class QHttp;
};

class QM_EXPORT_HTTP QHttpRequestHeader : public QHttpHeader
{
public:
    QHttpRequestHeader();
    QHttpRequestHeader( const QString&amp; method, const QString&amp; path, int majorVer = 1, int minorVer = 1 );
    QHttpRequestHeader( const QHttpRequestHeader&amp; header );
    QHttpRequestHeader( const QString&amp; str );

    void setRequest( const QString&amp; method, const QString&amp; path, int majorVer = 1, int minorVer = 1 );

    QString method() const;
    QString path() const;

    int majorVersion() const;
    int minorVersion() const;

    QString toString() const;

protected:
    bool parseLine( const QString&amp; line, int number );

private:
    QString m;
    QString p;
    int majVer;
    int minVer;
};

class QM_EXPORT_HTTP QHttp : public QNetworkProtocol
{
    Q_OBJECT

public:
    QHttp();
    QHttp( QObject* parent, const char* name = 0 ); // ### Qt 4.0: make parent=0 and get rid of the QHttp() constructor
    QHttp( const QString &amp;hostname, Q_UINT16 port=80, QObject* parent=0, const char* name = 0 );
    virtual ~QHttp();

    int supportedOperations() const;

    enum State { Unconnected, HostLookup, Connecting, Sending, Reading, Connected, Closing };
    enum Error {
	NoError,
	UnknownError,
	HostNotFound,
	ConnectionRefused,
	UnexpectedClose,
	InvalidResponseHeader,
	WrongContentLength,
	Aborted
    };

    int setHost(const QString &amp;hostname, Q_UINT16 port=80 );

    int get( const QString&amp; path, QIODevice* to=0 );
    int post( const QString&amp; path, QIODevice* data, QIODevice* to=0  );
    int post( const QString&amp; path, const QByteArray&amp; data, QIODevice* to=0 );
    int head( const QString&amp; path );
    int request( const QHttpRequestHeader &amp;header, QIODevice *device=0, QIODevice *to=0 );
    int request( const QHttpRequestHeader &amp;header, const QByteArray &amp;data, QIODevice *to=0 );

    int closeConnection();

    Q_ULONG bytesAvailable() const;
    Q_LONG readBlock( char *data, Q_ULONG maxlen );
    QByteArray readAll();

    int currentId() const;
    QIODevice* currentSourceDevice() const;
    QIODevice* currentDestinationDevice() const;
    QHttpRequestHeader currentRequest() const;
    bool hasPendingRequests() const;
    void clearPendingRequests();

    State state() const;

    Error error() const;
    QString errorString() const;

public slots:
    void abort();

signals:
    void stateChanged( int );
    void responseHeaderReceived( const QHttpResponseHeader&amp; resp );
    void readyRead( const QHttpResponseHeader&amp; resp );
    void dataSendProgress( int, int );
    void dataReadProgress( int, int );

    void requestStarted( int );
    void requestFinished( int, bool );
    void done( bool );

protected:
    void operationGet( QNetworkOperation *op );
    void operationPut( QNetworkOperation *op );

    void timerEvent( QTimerEvent * );

private slots:
    void clientReply( const QHttpResponseHeader &amp;rep );
    void clientDone( bool );
    void clientStateChanged( int );

    void startNextRequest();
    void slotReadyRead();
    void slotConnected();
    void slotError( int );
    void slotClosed();
    void slotBytesWritten( int );

private:
    QHttpPrivate *d;
    void *unused; // ### Qt 4.0: remove this (in for binary compatibility)
    int bytesRead;

    int addRequest( QHttpRequest * );
    void sendRequest();
    void finishedWithSuccess();
    void finishedWithError( const QString&amp; detail, int errorCode );

    void killIdleTimer();

    void init();
    void setState( int );
    void close();

    friend class QHttpNormalRequest;
    friend class QHttpSetHostRequest;
    friend class QHttpCloseRequest;
    friend class QHttpPGHRequest;
};

#define Q_DEFINED_QHTTP
#include "qwinexport.h"
#endif
#endif
</pre>
<!-- eof -->
<p><address><hr><div align=center>
<table width=100% cellspacing=0 border=0><tr>
<td>Copyright &copy; 2007
<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
<td align=right><div align=right>Qt 3.3.8</div>
</table></div></address></body>
</html>