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#include "http_file_source.hpp"
#include "http_request.hpp"
#include <mbgl/util/logging.hpp>
#include <QByteArray>
#include <QDir>
#include <QNetworkProxyFactory>
#include <QNetworkReply>
#include <QSslConfiguration>
namespace mbgl {
HTTPFileSource::Impl::Impl() : m_manager(new QNetworkAccessManager(this))
{
QNetworkProxyFactory::setUseSystemConfiguration(true);
}
void HTTPFileSource::Impl::request(HTTPRequest* req)
{
QUrl url = req->requestUrl();
QPair<QNetworkReply*, QVector<HTTPRequest*>>& data = m_pending[url];
QVector<HTTPRequest*>& requestsVector = data.second;
requestsVector.append(req);
if (requestsVector.size() > 1) {
return;
}
QNetworkRequest networkRequest = req->networkRequest();
#if QT_VERSION >= 0x050600
networkRequest.setAttribute(QNetworkRequest::FollowRedirectsAttribute, true);
#endif
data.first = m_manager->get(networkRequest);
connect(data.first, SIGNAL(finished()), this, SLOT(onReplyFinished()));
connect(data.first, SIGNAL(error(QNetworkReply::NetworkError)), this, SLOT(onReplyFinished()));
}
void HTTPFileSource::Impl::cancel(HTTPRequest* req)
{
QUrl url = req->requestUrl();
auto it = m_pending.find(url);
if (it == m_pending.end()) {
return;
}
QPair<QNetworkReply*, QVector<HTTPRequest*>>& data = it.value();
QNetworkReply* reply = data.first;
QVector<HTTPRequest*>& requestsVector = data.second;
for (int i = 0; i < requestsVector.size(); ++i) {
if (req == requestsVector.at(i)) {
requestsVector.remove(i);
break;
}
}
if (requestsVector.empty()) {
m_pending.erase(it);
#if QT_VERSION >= 0x050000
reply->abort();
#else
// XXX: We should be aborting the reply here
// but a bug on Qt4 causes the connection of
// other ongoing requests to drop if we call
// abort() too often (and we do).
Q_UNUSED(reply);
#endif
}
}
void HTTPFileSource::Impl::onReplyFinished()
{
QNetworkReply* reply = qobject_cast<QNetworkReply *>(sender());
const QUrl& url = reply->request().url();
auto it = m_pending.find(url);
if (it == m_pending.end()) {
reply->deleteLater();
return;
}
QByteArray data = reply->readAll();
QVector<HTTPRequest*>& requestsVector = it.value().second;
for (auto req : requestsVector) {
req->handleNetworkReply(reply, data);
}
m_pending.erase(it);
reply->deleteLater();
}
HTTPFileSource::HTTPFileSource()
: impl(std::make_unique<Impl>()) {
}
HTTPFileSource::~HTTPFileSource() = default;
std::unique_ptr<AsyncRequest> HTTPFileSource::request(const Resource& resource, Callback callback)
{
return std::make_unique<HTTPRequest>(impl.get(), resource, callback);
}
uint32_t HTTPFileSource::maximumConcurrentRequests() {
#if QT_VERSION >= 0x050000
return 20;
#else
return 10;
#endif
}
} // namespace mbgl
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