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// Copyright 2021 the gRPC authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include <iostream>
#include <memory>
#include <string>
#include "examples/protos/helloworld.grpc.pb.h"
#include <grpcpp/grpcpp.h>
using grpc::Channel;
using grpc::ClientContext;
using grpc::Status;
using helloworld::Greeter;
using helloworld::HelloReply;
using helloworld::HelloRequest;
class GreeterClient {
public:
GreeterClient(std::shared_ptr<Channel> channel)
: stub_(Greeter::NewStub(channel)) {}
std::string SayHello(const std::string& user) {
HelloRequest request;
request.set_name(user);
HelloReply reply;
ClientContext context;
Status status = stub_->SayHello(&context, request, &reply);
if (status.ok()) {
return reply.message();
}
std::cout << status.error_code() << ": " << status.error_message()
<< std::endl;
return "RPC failed";
}
private:
std::unique_ptr<Greeter::Stub> stub_;
};
int main(int argc, char** argv) {
std::string target_str("unix-abstract:grpc%00abstract");
GreeterClient greeter(
grpc::CreateChannel(target_str, grpc::InsecureChannelCredentials()));
std::string user("arst");
std::cout << "Sending '" << user << "' to " << target_str << " ... ";
std::string reply = greeter.SayHello(user);
std::cout << "Received: " << reply << std::endl;
return 0;
}
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