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/****************************************************************************
**
** Copyright (C) 2019 Ivan Komissarov
** Contact: abbapoh@gmail.com
**
** This file is part of Qbs.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms and
** conditions see http://www.qt.io/terms-conditions. For further information
** use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#ifdef __GNUC__
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunused-parameter"
#endif // __GNUC__
#include <ping-pong-grpc.grpc.pb.h>
#include <grpc/grpc.h>
#include <grpc++/channel.h>
#include <grpc++/client_context.h>
#include <grpc++/create_channel.h>
#ifdef __GNUC__
#pragma GCC diagnostic pop
#endif // __GNUC__
#include <iostream>
#include <memory>
#include <string>
class Client
{
public:
Client(const std::shared_ptr<grpc::Channel> &channel)
: m_stub(PP::MyApi::NewStub(channel)) {}
int ping(int count) {
PP::Ping request;
request.set_count(count);
PP::Pong reply;
grpc::ClientContext context;
const auto status = m_stub->pingPong(&context, request, &reply);
if (status.ok()) {
return reply.count();
} else {
throw std::runtime_error("invalid status");
}
}
private:
std::unique_ptr<PP::MyApi::Stub> m_stub;
};
int main(int, char**)
{
Client client(
grpc::CreateCustomChannel(
"localhost:50051",
grpc::InsecureChannelCredentials(),
grpc::ChannelArguments()));
for (int i = 0; i < 1000; ++i) {
std::cout << "Sending ping " << i << "... ";
int result = client.ping(i);
if (result != i) {
std::cerr << "Invalid pong " << result << " for ping" << i << std::endl;
continue;
}
std::cout << "got pong " << result << std::endl;
}
return 0;
}
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