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/****************************************************************************
**
** Copyright (C) 2019 Ivan Komissarov (abbapoh@gmail.com)
** Contact: https://www.qt.io/licensing/
**
** This file is part of the examples of Qbs.
**
** $QT_BEGIN_LICENSE:BSD$
** 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 https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** BSD License Usage
** Alternatively, you may use this file under the terms of the BSD license
** as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of The Qt Company Ltd nor the names of its
** contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#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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