mirror of https://github.com/qt/qtgrpc.git
57 lines
1.9 KiB
C++
57 lines
1.9 KiB
C++
// 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 "navithread.h"
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#include <naviservice_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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NaviThread::NaviThread(QObject *parent) : QThread(parent)
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{
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}
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NaviThread::~NaviThread() = default;
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void NaviThread::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::NaviService::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->getNaviStream(request);
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connect(m_stream.get(), &QGrpcServerStream::messageReceived, this, [this] {
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const auto result = m_stream->read<DistanceMsg>();
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if (!result)
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return;
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emit totalDistanceChanged(result->totalDistance());
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emit remainingDistanceChanged(result->remainingDistance());
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emit directionChanged(result->direction());
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});
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connect(m_stream.get(), &QGrpcServerStream::errorOccurred, this,
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[this](const QGrpcStatus &status) {
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emit totalDistanceChanged(0);
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emit remainingDistanceChanged(0);
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emit directionChanged(DirectionEnumGadget::BACKWARD);
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qWarning() << "Stream error(" << status.code() << "):" << status.message();
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});
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connect(m_stream.get(), &QGrpcServerStream::finished, this, [this] {
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emit totalDistanceChanged(0);
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emit remainingDistanceChanged(0);
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emit directionChanged(DirectionEnumGadget::BACKWARD);
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});
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QThread::run();
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}
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