src/network/access/qnetworkreply.h
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     1 /****************************************************************************
       
     2 **
       
     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
       
     4 ** All rights reserved.
       
     5 ** Contact: Nokia Corporation (qt-info@nokia.com)
       
     6 **
       
     7 ** This file is part of the QtNetwork module of the Qt Toolkit.
       
     8 **
       
     9 ** $QT_BEGIN_LICENSE:LGPL$
       
    10 ** No Commercial Usage
       
    11 ** This file contains pre-release code and may not be distributed.
       
    12 ** You may use this file in accordance with the terms and conditions
       
    13 ** contained in the Technology Preview License Agreement accompanying
       
    14 ** this package.
       
    15 **
       
    16 ** GNU Lesser General Public License Usage
       
    17 ** Alternatively, this file may be used under the terms of the GNU Lesser
       
    18 ** General Public License version 2.1 as published by the Free Software
       
    19 ** Foundation and appearing in the file LICENSE.LGPL included in the
       
    20 ** packaging of this file.  Please review the following information to
       
    21 ** ensure the GNU Lesser General Public License version 2.1 requirements
       
    22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
       
    23 **
       
    24 ** In addition, as a special exception, Nokia gives you certain additional
       
    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception
       
    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
       
    27 **
       
    28 ** If you have questions regarding the use of this file, please contact
       
    29 ** Nokia at qt-info@nokia.com.
       
    30 **
       
    31 **
       
    32 **
       
    33 **
       
    34 **
       
    35 **
       
    36 **
       
    37 **
       
    38 ** $QT_END_LICENSE$
       
    39 **
       
    40 ****************************************************************************/
       
    41 
       
    42 #ifndef QNETWORKREPLY_H
       
    43 #define QNETWORKREPLY_H
       
    44 
       
    45 #include <QtCore/QIODevice>
       
    46 #include <QtCore/QString>
       
    47 #include <QtCore/QVariant>
       
    48 
       
    49 #include <QtNetwork/QNetworkRequest>
       
    50 #include <QtNetwork/QNetworkAccessManager>
       
    51 
       
    52 QT_BEGIN_HEADER
       
    53 
       
    54 QT_BEGIN_NAMESPACE
       
    55 
       
    56 QT_MODULE(Network)
       
    57 
       
    58 class QUrl;
       
    59 class QVariant;
       
    60 class QAuthenticator;
       
    61 class QSslConfiguration;
       
    62 class QSslError;
       
    63 
       
    64 class QNetworkReplyPrivate;
       
    65 class Q_NETWORK_EXPORT QNetworkReply: public QIODevice
       
    66 {
       
    67     Q_OBJECT
       
    68     Q_ENUMS(NetworkError)
       
    69 public:
       
    70     enum NetworkError {
       
    71         NoError = 0,
       
    72 
       
    73         // network layer errors [relating to the destination server] (1-99):
       
    74         ConnectionRefusedError = 1,
       
    75         RemoteHostClosedError,
       
    76         HostNotFoundError,
       
    77         TimeoutError,
       
    78         OperationCanceledError,
       
    79         SslHandshakeFailedError,
       
    80         UnknownNetworkError = 99,
       
    81 
       
    82         // proxy errors (101-199):
       
    83         ProxyConnectionRefusedError = 101,
       
    84         ProxyConnectionClosedError,
       
    85         ProxyNotFoundError,
       
    86         ProxyTimeoutError,
       
    87         ProxyAuthenticationRequiredError,
       
    88         UnknownProxyError = 199,
       
    89 
       
    90         // content errors (201-299):
       
    91         ContentAccessDenied = 201,
       
    92         ContentOperationNotPermittedError,
       
    93         ContentNotFoundError,
       
    94         AuthenticationRequiredError,
       
    95         ContentReSendError,
       
    96         UnknownContentError = 299,
       
    97 
       
    98         // protocol errors
       
    99         ProtocolUnknownError = 301,
       
   100         ProtocolInvalidOperationError,
       
   101         ProtocolFailure = 399
       
   102     };
       
   103 
       
   104     ~QNetworkReply();
       
   105     virtual void abort() = 0;
       
   106 
       
   107     // reimplemented from QIODevice
       
   108     virtual void close();
       
   109     virtual bool isSequential() const;
       
   110 
       
   111     // like QAbstractSocket:
       
   112     qint64 readBufferSize() const;
       
   113     virtual void setReadBufferSize(qint64 size);
       
   114 
       
   115     QNetworkAccessManager *manager() const;
       
   116     QNetworkAccessManager::Operation operation() const;
       
   117     QNetworkRequest request() const;
       
   118     NetworkError error() const;
       
   119     bool isFinished() const;
       
   120     bool isRunning() const;
       
   121     QUrl url() const;
       
   122 
       
   123     // "cooked" headers
       
   124     QVariant header(QNetworkRequest::KnownHeaders header) const;
       
   125 
       
   126     // raw headers:
       
   127     bool hasRawHeader(const QByteArray &headerName) const;
       
   128     QList<QByteArray> rawHeaderList() const;
       
   129     QByteArray rawHeader(const QByteArray &headerName) const;
       
   130 
       
   131     // attributes
       
   132     QVariant attribute(QNetworkRequest::Attribute code) const;
       
   133 
       
   134 #ifndef QT_NO_OPENSSL
       
   135     QSslConfiguration sslConfiguration() const;
       
   136     void setSslConfiguration(const QSslConfiguration &configuration);
       
   137     void ignoreSslErrors(const QList<QSslError> &errors);
       
   138 #endif
       
   139 
       
   140 public Q_SLOTS:
       
   141     virtual void ignoreSslErrors();
       
   142 
       
   143 Q_SIGNALS:
       
   144     void metaDataChanged();
       
   145     void finished();
       
   146     void error(QNetworkReply::NetworkError);
       
   147 #ifndef QT_NO_OPENSSL
       
   148     void sslErrors(const QList<QSslError> &errors);
       
   149 #endif
       
   150 
       
   151     void uploadProgress(qint64 bytesSent, qint64 bytesTotal);
       
   152     void downloadProgress(qint64 bytesReceived, qint64 bytesTotal);
       
   153 
       
   154 protected:
       
   155     QNetworkReply(QObject *parent = 0);
       
   156     QNetworkReply(QNetworkReplyPrivate &dd, QObject *parent);
       
   157     virtual qint64 writeData(const char *data, qint64 len);
       
   158 
       
   159     void setOperation(QNetworkAccessManager::Operation operation);
       
   160     void setRequest(const QNetworkRequest &request);
       
   161     void setError(NetworkError errorCode, const QString &errorString);
       
   162     void setUrl(const QUrl &url);
       
   163     void setHeader(QNetworkRequest::KnownHeaders header, const QVariant &value);
       
   164     void setRawHeader(const QByteArray &headerName, const QByteArray &value);
       
   165     void setAttribute(QNetworkRequest::Attribute code, const QVariant &value);
       
   166 
       
   167 private:
       
   168     Q_DECLARE_PRIVATE(QNetworkReply)
       
   169 };
       
   170 
       
   171 QT_END_NAMESPACE
       
   172 
       
   173 QT_END_HEADER
       
   174 
       
   175 #endif