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39 
40 #ifndef QNETWORKACCESSDEBUGPIPEBACKEND_P_H
41 #define QNETWORKACCESSDEBUGPIPEBACKEND_P_H
42 
43 //
44 //  W A R N I N G
45 //  -------------
46 //
47 // This file is not part of the Qt API.  It exists for the convenience
48 // of the Network Access API.  This header file may change from
49 // version to version without notice, or even be removed.
50 //
51 // We mean it.
52 //
53 
54 #include <QtNetwork/private/qtnetworkglobal_p.h>
55 #include "qnetworkaccessbackend_p.h"
56 #include "qnetworkrequest.h"
57 #include "qnetworkreply.h"
58 #include "qtcpsocket.h"
59 
60 QT_BEGIN_NAMESPACE
61 
62 #ifdef QT_BUILD_INTERNAL
63 
64 class QNetworkAccessDebugPipeBackend: public QNetworkAccessBackend
65 {
66     Q_OBJECT
67 public:
68     QNetworkAccessDebugPipeBackend();
69     virtual ~QNetworkAccessDebugPipeBackend();
70 
71     virtual void open() override;
72     virtual void closeDownstreamChannel() override;
73 
74     virtual void downstreamReadyWrite() override;
75 
76 protected:
77     void pushFromSocketToDownstream();
78     void pushFromUpstreamToSocket();
79     void possiblyFinish();
80 
81 private slots:
82     void uploadReadyReadSlot();
83     void socketReadyRead();
84     void socketBytesWritten(qint64 bytes);
85     void socketError();
86     void socketDisconnected();
87     void socketConnected();
88 
89 private:
90     QTcpSocket socket;
91     bool bareProtocol;
92     bool hasUploadFinished;
93     bool hasDownloadFinished;
94     bool hasEverythingFinished;
95 
96     qint64 bytesDownloaded;
97     qint64 bytesUploaded;
98 };
99 
100 class QNetworkAccessDebugPipeBackendFactory: public QNetworkAccessBackendFactory
101 {
102 public:
103     virtual QStringList supportedSchemes() const override;
104     virtual QNetworkAccessBackend *create(QNetworkAccessManager::Operation op,
105                                           const QNetworkRequest &request) const override;
106 };
107 
108 #endif  // QT_BUILD_INTERNAL
109 
110 QT_END_NAMESPACE
111 
112 #endif
113