##// END OF EJS Templates
Removed old IDataProvider interface, added small tweak in downloader...
Removed old IDataProvider interface, added small tweak in downloader to lower CPU usage while waiting for DL, VCTransaction does not push anymore nullptr Signed-off-by: Alexis Jeandet <alexis.jeandet@member.fsf.org>

File last commit:

r0:86b06c4cec3c
r28:a05b0ab23493
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NetworkController.cpp
148 lines | 5.5 KiB | text/x-c | CppLexer
/ src / Network / NetworkController.cpp
#include "Network/NetworkController.h"
#include <QMutex>
#include <QNetworkAccessManager>
#include <QNetworkReply>
#include <QNetworkRequest>
#include <QReadWriteLock>
#include <QThread>
#include <unordered_map>
Q_LOGGING_CATEGORY(LOG_NetworkController, "NetworkController")
struct NetworkController::NetworkControllerPrivate {
explicit NetworkControllerPrivate(NetworkController *parent) : m_WorkingMutex{} {}
void lockRead() { m_Lock.lockForRead(); }
void lockWrite() { m_Lock.lockForWrite(); }
void unlock() { m_Lock.unlock(); }
QMutex m_WorkingMutex;
QReadWriteLock m_Lock;
std::unordered_map<QNetworkReply *, QUuid> m_NetworkReplyToId;
std::unique_ptr<QNetworkAccessManager> m_AccessManager{nullptr};
};
NetworkController::NetworkController(QObject *parent)
: QObject(parent), impl{spimpl::make_unique_impl<NetworkControllerPrivate>(this)}
{
}
void NetworkController::onProcessRequested(std::shared_ptr<QNetworkRequest> request,
QUuid identifier,
std::function<void(QNetworkReply *, QUuid)> callback)
{
qCDebug(LOG_NetworkController()) << tr("NetworkController onProcessRequested")
<< QThread::currentThread()->objectName() << &request;
auto reply = impl->m_AccessManager->get(*request);
// Store the couple reply id
impl->lockWrite();
impl->m_NetworkReplyToId[reply] = identifier;
qCDebug(LOG_NetworkController()) << tr("Store for reply: ") << identifier;
impl->unlock();
auto onReplyFinished = [request, reply, this, identifier, callback]() {
qCDebug(LOG_NetworkController()) << tr("NetworkController onReplyFinished")
<< QThread::currentThread() << request.get() << reply;
impl->lockRead();
auto it = impl->m_NetworkReplyToId.find(reply);
if (it != impl->m_NetworkReplyToId.cend()) {
qCDebug(LOG_NetworkController()) << tr("Remove for reply: ") << it->second;
impl->unlock();
impl->lockWrite();
impl->m_NetworkReplyToId.erase(reply);
impl->unlock();
// Deletes reply
callback(reply, identifier);
reply->deleteLater();
}
else {
impl->unlock();
}
qCDebug(LOG_NetworkController()) << tr("NetworkController onReplyFinished END")
<< QThread::currentThread() << reply;
};
auto onReplyProgress = [reply, request, this](qint64 bytesRead, qint64 totalBytes) {
// NOTE: a totalbytes of 0 can happened when a request has been aborted
if (totalBytes > 0) {
double progress = (bytesRead * 100.0) / totalBytes;
qCDebug(LOG_NetworkController()) << tr("NetworkController onReplyProgress") << progress
<< QThread::currentThread() << request.get() << reply
<< bytesRead << totalBytes;
impl->lockRead();
auto it = impl->m_NetworkReplyToId.find(reply);
if (it != impl->m_NetworkReplyToId.cend()) {
auto id = it->second;
impl->unlock();
emit this->replyDownloadProgress(id, request, progress);
}
else {
impl->unlock();
}
qCDebug(LOG_NetworkController()) << tr("NetworkController onReplyProgress END")
<< QThread::currentThread() << reply;
}
};
connect(reply, &QNetworkReply::finished, this, onReplyFinished);
connect(reply, &QNetworkReply::downloadProgress, this, onReplyProgress);
qCDebug(LOG_NetworkController()) << tr("NetworkController registered END")
<< QThread::currentThread()->objectName() << reply;
}
void NetworkController::initialize()
{
qCDebug(LOG_NetworkController()) << tr("NetworkController init") << QThread::currentThread();
impl->m_WorkingMutex.lock();
impl->m_AccessManager = std::make_unique<QNetworkAccessManager>();
auto onReplyErrors = [this](QNetworkReply *reply, const QList<QSslError> &errors) {
qCCritical(LOG_NetworkController()) << tr("NetworkAcessManager errors: ") << errors;
};
connect(impl->m_AccessManager.get(), &QNetworkAccessManager::sslErrors, this, onReplyErrors);
qCDebug(LOG_NetworkController()) << tr("NetworkController init END");
}
void NetworkController::finalize()
{
impl->m_WorkingMutex.unlock();
}
void NetworkController::onReplyCanceled(QUuid identifier)
{
auto findReply = [identifier](const auto &entry) { return identifier == entry.second; };
qCDebug(LOG_NetworkController()) << tr("NetworkController onReplyCanceled")
<< QThread::currentThread() << identifier;
impl->lockRead();
auto end = impl->m_NetworkReplyToId.cend();
auto it = std::find_if(impl->m_NetworkReplyToId.cbegin(), end, findReply);
impl->unlock();
if (it != end) {
qCDebug(LOG_NetworkController()) << tr("NetworkController onReplyCanceled ABORT DONE")
<< QThread::currentThread() << identifier;
it->first->abort();
}
qCDebug(LOG_NetworkController()) << tr("NetworkController onReplyCanceled END")
<< QThread::currentThread();
}
void NetworkController::waitForFinish()
{
QMutexLocker locker{&impl->m_WorkingMutex};
}