////  AtpReply.cpp//  libraries/networking/src////  Created by Zander Otavka on 8/4/16.//  Copyright 2016 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// #include "AtpReply.h" #include "ResourceManager.h" AtpReply::AtpReply(const QUrl& url, QObject* parent) :    _resourceRequest(DependencyManager::get<ResourceManager>()->createResourceRequest(        parent, url, true, -1, "AtpReply::AtpReply")) {    setOperation(QNetworkAccessManager::GetOperation);     connect(_resourceRequest, &AssetResourceRequest::progress, this, &AtpReply::downloadProgress);    connect(_resourceRequest, &AssetResourceRequest::finished, this, &AtpReply::handleRequestFinish);     _resourceRequest->send();} AtpReply::~AtpReply() {    if (_resourceRequest) {        _resourceRequest->deleteLater();        _resourceRequest = nullptr;    }} qint64 AtpReply::bytesAvailable() const {    return _content.size() - _readOffset + QIODevice::bytesAvailable();} qint64 AtpReply::readData(char* data, qint64 maxSize) {    if (_readOffset < _content.size()) {        qint64 readSize = qMin(maxSize, _content.size() - _readOffset);        memcpy(data, _content.constData() + _readOffset, readSize);        _readOffset += readSize;        return readSize;    } else {        return -1;    }} void AtpReply::handleRequestFinish() {    Q_ASSERT(_resourceRequest->getState() == ResourceRequest::State::Finished);     switch (_resourceRequest->getResult()) {        case ResourceRequest::Result::Success:            setError(NoError, "Success");            _content = _resourceRequest->getData();            break;        case ResourceRequest::Result::InvalidURL:            setError(ContentNotFoundError, "Invalid URL");            break;        case ResourceRequest::Result::NotFound:            setError(ContentNotFoundError, "Not found");            break;        case ResourceRequest::Result::ServerUnavailable:            setError(ServiceUnavailableError, "Service unavailable");            break;        case ResourceRequest::Result::AccessDenied:            setError(ContentAccessDenied, "Access denied");            break;        case ResourceRequest::Result::Timeout:            setError(TimeoutError, "Timeout");            break;        default:            setError(UnknownNetworkError, "Unknown error");            break;    }     open(ReadOnly | Unbuffered);    setHeader(QNetworkRequest::ContentLengthHeader, QVariant(_content.size()));     if (error() != NoError) {        emit errorOccurred(error());    }     setFinished(true);    emit readyRead();    emit finished();     _resourceRequest->deleteLater();    _resourceRequest = nullptr;}