mirror of https://github.com/qt/qtgrpc.git
69 lines
2.2 KiB
C++
69 lines
2.2 KiB
C++
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// Copyright (C) 2024 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
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#include "navigationthread.h"
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#include <navigationservice_client.grpc.qpb.h>
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#include <QtCore/QDebug>
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#include <QtCore/QUrl>
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#include <QtGrpc/QGrpcChannelOptions>
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#include <QtGrpc/QGrpcHttp2Channel>
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using namespace qtgrpc::examples;
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using namespace google::protobuf;
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NavigationThread::NavigationThread(QObject *parent) : QThread(parent)
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{
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}
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NavigationThread::~NavigationThread() = default;
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void NavigationThread::run()
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{
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if (!m_client) {
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auto channel = std::shared_ptr<
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QAbstractGrpcChannel>(new QGrpcHttp2Channel(QUrl("http://localhost:50051",
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QUrl::StrictMode)));
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m_client = std::make_shared<qtgrpc::examples::NavigationService::Client>();
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m_client->attachChannel(channel);
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}
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Empty request;
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m_stream = m_client->getNavigationStream(request);
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connect(m_stream.get(), &QGrpcServerStream::messageReceived, this, [this] {
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const auto result = m_stream->read<NavigationMsg>();
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if (!result)
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return;
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emit totalDistanceChanged(result->totalDistance());
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emit traveledDistanceChanged(result->traveledDistance());
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emit directionChanged(result->direction());
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emit streetChanged(result->street());
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});
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connect(
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m_stream.get(), &QGrpcServerStream::finished, this,
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[this](const QGrpcStatus &status) {
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if (!status.isOk()) {
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auto error = QString("Stream error fetching navigation %1 (%2)")
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.arg(status.message())
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.arg(QVariant::fromValue(status.code()).toString());
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emit connectionError(error);
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qWarning() << error;
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return;
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}
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emit totalDistanceChanged(0);
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emit traveledDistanceChanged(0);
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emit directionChanged(DirectionEnumGadget::DirectionEnum::BACKWARD);
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m_stream.reset();
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},
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Qt::SingleShotConnection);
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QThread::run();
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// Delete the NavigationService::Client object to shut down the connection
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m_client.reset();
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}
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