src/network/access/qhttpnetworkreply_p.h
changeset 0 1918ee327afb
child 4 3b1da2848fc7
child 7 f7bc934e204c
child 18 2f34d5167611
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/network/access/qhttpnetworkreply_p.h	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,244 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtNetwork module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QHTTPNETWORKREPLY_H
+#define QHTTPNETWORKREPLY_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists for the convenience
+// of the Network Access API.  This header file may change from
+// version to version without notice, or even be removed.
+//
+// We mean it.
+//
+#include <qplatformdefs.h>
+#ifndef QT_NO_HTTP
+
+#ifndef QT_NO_COMPRESS
+#    include <zlib.h>
+static const unsigned char gz_magic[2] = {0x1f, 0x8b}; // gzip magic header
+// gzip flag byte
+#define HEAD_CRC     0x02 // bit 1 set: header CRC present
+#define EXTRA_FIELD  0x04 // bit 2 set: extra field present
+#define ORIG_NAME    0x08 // bit 3 set: original file name present
+#define COMMENT      0x10 // bit 4 set: file comment present
+#define RESERVED     0xE0 // bits 5..7: reserved
+#define CHUNK 16384
+#endif
+
+#include <QtNetwork/qtcpsocket.h>
+// it's safe to include these even if SSL support is not enabled
+#include <QtNetwork/qsslsocket.h>
+#include <QtNetwork/qsslerror.h>
+
+#include <QtNetwork/qnetworkrequest.h>
+#include <QtNetwork/qnetworkreply.h>
+#include <qbuffer.h>
+
+#include <private/qobject_p.h>
+#include <private/qhttpnetworkheader_p.h>
+#include <private/qhttpnetworkrequest_p.h>
+#include <private/qauthenticator_p.h>
+#include <private/qringbuffer_p.h>
+#include <private/qbytedata_p.h>
+
+QT_BEGIN_NAMESPACE
+
+class QHttpNetworkConnection;
+class QHttpNetworkRequest;
+class QHttpNetworkConnectionPrivate;
+class QHttpNetworkReplyPrivate;
+class Q_AUTOTEST_EXPORT QHttpNetworkReply : public QObject, public QHttpNetworkHeader
+{
+    Q_OBJECT
+public:
+
+    explicit QHttpNetworkReply(const QUrl &url = QUrl(), QObject *parent = 0);
+    virtual ~QHttpNetworkReply();
+
+    QUrl url() const;
+    void setUrl(const QUrl &url);
+
+    int majorVersion() const;
+    int minorVersion() const;
+
+    qint64 contentLength() const;
+    void setContentLength(qint64 length);
+
+    QList<QPair<QByteArray, QByteArray> > header() const;
+    QByteArray headerField(const QByteArray &name, const QByteArray &defaultValue = QByteArray()) const;
+    void setHeaderField(const QByteArray &name, const QByteArray &data);
+    void parseHeader(const QByteArray &header); // mainly for testing
+
+    QHttpNetworkRequest request() const;
+    void setRequest(const QHttpNetworkRequest &request);
+
+    int statusCode() const;
+    void setStatusCode(int code);
+
+    QString errorString() const;
+    void setErrorString(const QString &error);
+
+    QString reasonPhrase() const;
+
+    qint64 bytesAvailable() const;
+    qint64 bytesAvailableNextBlock() const;
+    QByteArray readAny();
+
+    bool isFinished() const;
+
+    bool isPipeliningUsed() const;
+
+#ifndef QT_NO_OPENSSL
+    QSslConfiguration sslConfiguration() const;
+    void setSslConfiguration(const QSslConfiguration &config);
+    void ignoreSslErrors();
+    void ignoreSslErrors(const QList<QSslError> &errors);
+
+Q_SIGNALS:
+    void sslErrors(const QList<QSslError> &errors);
+#endif
+
+Q_SIGNALS:
+    void readyRead();
+    void finished();
+    void finishedWithError(QNetworkReply::NetworkError errorCode, const QString &detail = QString());
+    void headerChanged();
+    void dataReadProgress(int done, int total);
+    void dataSendProgress(qint64 done, qint64 total);
+
+private:
+    Q_DECLARE_PRIVATE(QHttpNetworkReply)
+    friend class QHttpNetworkConnection;
+    friend class QHttpNetworkConnectionPrivate;
+    friend class QHttpNetworkConnectionChannel;
+};
+
+
+class QHttpNetworkReplyPrivate : public QObjectPrivate, public QHttpNetworkHeaderPrivate
+{
+public:
+    QHttpNetworkReplyPrivate(const QUrl &newUrl = QUrl());
+    ~QHttpNetworkReplyPrivate();
+    qint64 readStatus(QAbstractSocket *socket);
+    bool parseStatus(const QByteArray &status);
+    qint64 readHeader(QAbstractSocket *socket);
+    void parseHeader(const QByteArray &header);
+    qint64 readBody(QAbstractSocket *socket, QByteDataBuffer *out);
+    qint64 readBodyFast(QAbstractSocket *socket, QByteDataBuffer *rb);
+    bool findChallenge(bool forProxy, QByteArray &challenge) const;
+    QAuthenticatorPrivate::Method authenticationMethod(bool isProxy) const;
+    void clear();
+
+    qint64 readReplyBodyRaw(QIODevice *in, QByteDataBuffer *out, qint64 size);
+    qint64 readReplyBodyChunked(QIODevice *in, QByteDataBuffer *out);
+    qint64 getChunkSize(QIODevice *in, qint64 *chunkSize);
+
+    void appendUncompressedReplyData(QByteArray &qba);
+    void appendUncompressedReplyData(QByteDataBuffer &data);
+    void appendCompressedReplyData(QByteDataBuffer &data);
+
+    bool shouldEmitSignals();
+    bool expectContent();
+    void eraseData();
+
+    qint64 bytesAvailable() const;
+    bool isChunked();
+    bool isConnectionCloseEnabled();
+    bool isGzipped();
+#ifndef QT_NO_COMPRESS
+    bool gzipCheckHeader(QByteArray &content, int &pos);
+    int gunzipBodyPartially(QByteArray &compressed, QByteArray &inflated);
+#endif
+    void removeAutoDecompressHeader();
+
+    enum ReplyState {
+        NothingDoneState,
+        ReadingStatusState,
+        ReadingHeaderState,
+        ReadingDataState,
+        AllDoneState
+    } state;
+
+    QHttpNetworkRequest request;
+    int statusCode;
+    int majorVersion;
+    int minorVersion;
+    QString errorString;
+    QString reasonPhrase;
+    qint64 bodyLength;
+    qint64 contentRead;
+    qint64 totalProgress;
+    QByteArray fragment; // used for header, status, chunk header etc, not for reply data
+    bool chunkedTransferEncoding;
+    bool connectionCloseEnabled;
+    bool forceConnectionCloseEnabled;
+    qint64 currentChunkSize;
+    qint64 currentChunkRead;
+    QPointer<QHttpNetworkConnection> connection;
+    bool initInflate;
+    bool streamEnd;
+#ifndef QT_NO_COMPRESS
+    z_stream inflateStrm;
+#endif
+    bool autoDecompress;
+
+    QByteDataBuffer responseData; // uncompressed body
+    QByteArray compressedData; // compressed body (temporary)
+    bool requestIsPrepared;
+
+    bool pipeliningUsed;
+};
+
+
+
+
+QT_END_NAMESPACE
+
+//Q_DECLARE_METATYPE(QHttpNetworkReply)
+
+#endif // QT_NO_HTTP
+
+
+#endif // QHTTPNETWORKREPLY_H