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// SPDX-FileCopyrightText: 2015 Felix Rohrbach <kde@fxrh.de>
// SPDX-FileCopyrightText: 2016 Kitsune Ral <Kitsune-Ral@users.sf.net>
// SPDX-License-Identifier: LGPL-2.1-or-later
#include "connectiondata.h"
#include "logging_categories_p.h"
#include "networkaccessmanager.h"
#include "jobs/basejob.h"
#include <QtCore/QPointer>
#include <QtCore/QTimer>
#include <array>
#include <queue>
using namespace Quotient;
class ConnectionData::Private {
public:
explicit Private(QUrl url) : baseUrl(std::move(url))
{
rateLimiter.setSingleShot(true);
}
QUrl baseUrl;
QByteArray accessToken;
QString lastEvent;
QString userId;
QString deviceId;
QStringList supportedSpecVersions;
mutable unsigned int txnCounter = 0;
const qint64 txnBase = QDateTime::currentMSecsSinceEpoch();
QString id() const { return userId + u'/' + deviceId; }
using job_queue_t = std::queue<QPointer<BaseJob>>;
std::array<job_queue_t, 2> jobs; // 0 - foreground, 1 - background
QTimer rateLimiter;
};
ConnectionData::ConnectionData(QUrl baseUrl)
: d(makeImpl<Private>(std::move(baseUrl)))
{
// Each lambda invocation below takes no more than one job from the
// queues (first foreground, then background) and resumes it; then
// restarts the rate limiter timer with duration 0, effectively yielding
// to the event loop and then resuming until both queues are empty.
d->rateLimiter.callOnTimeout([this] {
// TODO: Consider moving out all job->sendRequest() invocations to a dedicated thread
d->rateLimiter.setInterval(0);
for (auto& q : d->jobs)
while (!q.empty()) {
const auto job = q.front();
q.pop();
if (!job || job->error() == BaseJob::Abandoned)
continue;
if (job->error() != BaseJob::Pending) {
qCCritical(MAIN)
<< "Job" << job
<< "is in the wrong status:" << job->status();
Q_ASSERT(false);
job->setStatus(BaseJob::Pending);
}
job->sendRequest();
d->rateLimiter.start();
return;
}
qCDebug(MAIN) << d->id() << "job queues are empty";
});
}
ConnectionData::~ConnectionData()
{
d->rateLimiter.disconnect();
d->rateLimiter.stop();
}
void ConnectionData::submit(BaseJob* job)
{
job->setStatus(BaseJob::Pending);
if (!d->rateLimiter.isActive()) {
QMetaObject::invokeMethod(job, &BaseJob::sendRequest, Qt::QueuedConnection);
return;
}
d->jobs[size_t(job->isBackground())].emplace(job);
qCDebug(MAIN) << job << "queued," << d->jobs.front().size() << "(fg) +"
<< d->jobs.back().size() << "(bg) total jobs in" << d->id()
<< "queues";
}
void ConnectionData::limitRate(std::chrono::milliseconds nextCallAfter)
{
qCDebug(MAIN) << "Jobs for" << (d->userId + u'/' + d->deviceId)
<< "suspended for" << nextCallAfter.count() << "ms";
d->rateLimiter.start(nextCallAfter);
}
QByteArray ConnectionData::accessToken() const { return d->accessToken; }
QUrl ConnectionData::baseUrl() const { return d->baseUrl; }
HomeserverData ConnectionData::homeserverData() const
{
return { d->baseUrl, d->accessToken, d->supportedSpecVersions };
}
NetworkAccessManager* ConnectionData::nam() const
{
return NetworkAccessManager::instance();
}
void ConnectionData::setBaseUrl(QUrl baseUrl)
{
d->baseUrl = std::move(baseUrl);
qCDebug(MAIN) << "updated baseUrl to" << d->baseUrl;
if (!d->userId.isEmpty()) {
if (d->baseUrl.isValid())
NetworkAccessManager::addAccount(d->userId, d->baseUrl);
else
NetworkAccessManager::dropAccount(d->userId);
}
}
void ConnectionData::setAccessToken(QByteArray accessToken)
{
d->accessToken = std::move(accessToken);
NetworkAccessManager::setAccessToken(d->userId, d->accessToken);
}
void ConnectionData::setToken(QByteArray accessToken) { setAccessToken(std::move(accessToken)); }
const QString& ConnectionData::deviceId() const { return d->deviceId; }
const QString& ConnectionData::userId() const { return d->userId; }
void ConnectionData::setDeviceId(const QString& deviceId) { d->deviceId = deviceId; }
void ConnectionData::setUserId(const QString& userId) { setIdentity(userId, d->deviceId); }
void ConnectionData::setIdentity(const QString& userId, const QString& deviceId,
QByteArray accessToken)
{
if (d->baseUrl.isValid()) {
if (d->userId != userId)
NetworkAccessManager::dropAccount(d->userId);
if (!userId.isEmpty()) {
NetworkAccessManager::addAccount(userId, d->baseUrl, accessToken);
}
}
d->userId = userId;
d->deviceId = deviceId;
d->accessToken = std::move(accessToken);
}
void ConnectionData::setSupportedSpecVersions(QStringList versions)
{
qCInfo(MAIN).noquote() << "CS API versions:" << versions.join(u' ');
d->supportedSpecVersions = std::move(versions);
if (QUO_CHECK(!d->userId.isEmpty()) && QUO_CHECK(d->baseUrl.isValid()))
NetworkAccessManager::updateAccountSpecVersions(d->userId, d->supportedSpecVersions);
}
QString ConnectionData::lastEvent() const { return d->lastEvent; }
void ConnectionData::setLastEvent(QString identifier)
{
d->lastEvent = std::move(identifier);
}
QString ConnectionData::generateTxnId() const
{
return d->deviceId + QString::number(d->txnBase)
+ QString::number(++d->txnCounter);
}
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