////  ResourceRequest.h//  libraries/networking/src////  Created by Ryan Huffman on 2015/07/23//  Copyright 2015 High Fidelity, Inc.////  Distributed under the Apache License, Version 2.0.//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html// #ifndef hifi_ResourceRequest_h#define hifi_ResourceRequest_h #include <QObject>#include <QUrl> #include <cstdint> #include "ByteRange.h" const QString STAT_ATP_REQUEST_STARTED = "StartedATPRequest";const QString STAT_HTTP_REQUEST_STARTED = "StartedHTTPRequest";const QString STAT_FILE_REQUEST_STARTED = "StartedFileRequest";const QString STAT_ATP_REQUEST_SUCCESS = "SuccessfulATPRequest";const QString STAT_HTTP_REQUEST_SUCCESS = "SuccessfulHTTPRequest";const QString STAT_FILE_REQUEST_SUCCESS = "SuccessfulFileRequest";const QString STAT_ATP_REQUEST_FAILED = "FailedATPRequest";const QString STAT_HTTP_REQUEST_FAILED = "FailedHTTPRequest";const QString STAT_FILE_REQUEST_FAILED = "FailedFileRequest";const QString STAT_ATP_REQUEST_CACHE = "CacheATPRequest";const QString STAT_HTTP_REQUEST_CACHE = "CacheHTTPRequest";const QString STAT_ATP_MAPPING_REQUEST_STARTED = "StartedATPMappingRequest";const QString STAT_ATP_MAPPING_REQUEST_FAILED = "FailedATPMappingRequest";const QString STAT_ATP_MAPPING_REQUEST_SUCCESS = "SuccessfulATPMappingRequest";const QString STAT_HTTP_RESOURCE_TOTAL_BYTES = "HTTPBytesDownloaded";const QString STAT_ATP_RESOURCE_TOTAL_BYTES = "ATPBytesDownloaded";const QString STAT_FILE_RESOURCE_TOTAL_BYTES = "FILEBytesDownloaded"; class ResourceRequest : public QObject {    Q_OBJECTpublic:    static const bool IS_OBSERVABLE = true;    static const bool IS_NOT_OBSERVABLE = false;     ResourceRequest(        const QUrl& url,        const bool isObservable = IS_OBSERVABLE,        const qint64 callerId = -1,        const QString& extra = ""    ) : _url(url),        _isObservable(isObservable),        _callerId(callerId),        _extra(extra)    { }     virtual ~ResourceRequest() = default;     enum State {        NotStarted = 0,        InProgress,        Finished    };     enum Result {        Success,        Error,        Timeout,        ServerUnavailable,        AccessDenied,        InvalidByteRange,        InvalidURL,        NotFound,        RedirectFail    };    Q_ENUM(Result)     QByteArray getData() { return _data; }    State getState() const { return _state; }    Result getResult() const { return _result; }    QString getResultString() const;    QUrl getUrl() const { return _url; }    QUrl getRelativePathUrl() const { return _relativePathURL; }    bool loadedFromCache() const { return _loadedFromCache; }    bool getRangeRequestSuccessful() const { return _rangeRequestSuccessful; }    bool getTotalSizeOfResource() const { return _totalSizeOfResource; }    QString getWebMediaType() const { return _webMediaType; }    void setFailOnRedirect(bool failOnRedirect) { _failOnRedirect = failOnRedirect; }     void setCacheEnabled(bool value) { _cacheEnabled = value; }    void setByteRange(ByteRange byteRange) { _byteRange = byteRange; }     static QString toHttpDateString(uint64_t msecsSinceEpoch);public slots:    void send(); signals:    void progress(qint64 bytesReceived, qint64 bytesTotal);    void finished(); protected:    virtual void doSend() = 0;    void recordBytesDownloadedInStats(const QString& statName, int64_t bytesReceived);     QUrl _url;    QUrl _relativePathURL;    State _state { NotStarted };    Result _result;    QByteArray _data;    bool _failOnRedirect { false };    bool _cacheEnabled { true };    bool _loadedFromCache { false };    ByteRange _byteRange;    bool _rangeRequestSuccessful { false };    uint64_t _totalSizeOfResource { 0 };    QString _webMediaType;    int64_t _lastRecordedBytesDownloaded { 0 };    bool _isObservable;    qint64 _callerId;    QString _extra;}; #endif