Files
MapLibreParticleLab/platform/qt/src/http_file_source.cpp
2016-04-20 20:55:51 +03:00

132 lines
3.2 KiB
C++

#include "http_file_source.hpp"
#include "http_request.hpp"
#include <mbgl/platform/log.hpp>
#include <QByteArray>
#include <QDir>
#include <QNetworkProxyFactory>
#include <QNetworkReply>
#include <QSslConfiguration>
// Needs to be on the global namespace
// for linking purposes.
void initResources() {
Q_INIT_RESOURCE(qmapbox);
}
namespace mbgl {
HTTPFileSource::Impl::Impl() : m_manager(new QNetworkAccessManager(this))
{
initResources();
QNetworkProxyFactory::setUseSystemConfiguration(true);
#if QT_VERSION >= 0x050000
m_ssl.setProtocol(QSsl::SecureProtocols);
#else
// Qt 4 defines SecureProtocols as TLS1 or SSL3, but we don't want SSL3.
m_ssl.setProtocol(QSsl::TlsV1);
#endif
m_ssl.setCaCertificates(QSslCertificate::fromPath(":ca-bundle.crt"));
if (m_ssl.caCertificates().isEmpty()) {
mbgl::Log::Warning(mbgl::Event::HttpRequest, "Could not load list of certificate authorities");
}
connect(m_manager, SIGNAL(finished(QNetworkReply*)), this, SLOT(replyFinish(QNetworkReply*)));
}
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();
networkRequest.setSslConfiguration(m_ssl);
data.first = m_manager->get(networkRequest);
}
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::replyFinish(QNetworkReply* reply)
{
const QUrl& url = reply->request().url();
auto it = m_pending.find(url);
if (it == m_pending.end()) {
reply->deleteLater();
return;
}
QVector<HTTPRequest*>& requestsVector = it.value().second;
for (auto req : requestsVector) {
req->handleNetworkReply(reply);
}
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
}
} // mbgl