server-main.cpp

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// Copyright 2021 atframework
 
#include <grpcpp/ext/proto_server_reflection_plugin.h>
#include <grpcpp/grpcpp.h>
#include <grpcpp/health_check_service_interface.h>
 
#include <iostream>
#include <memory>
#include <string>
 
#include "helloworld.grpc.pb.h"
 
using grpc::Server;
using grpc::ServerBuilder;
using grpc::ServerContext;
using grpc::Status;
using helloworld::Greeter;
using helloworld::HelloReply;
using helloworld::HelloRequest;
 
// Logic and data behind the server's behavior.
class GreeterServiceImpl final : public Greeter::Service {
  Status SayHello(ServerContext* context, const HelloRequest* request, HelloReply* reply) override {
    std::string prefix("Hello ");
    reply->set_message(prefix + request->name());
    return Status::OK;
  }
  Status SayHello(ServerContext* context, const HelloRequest* request, HelloReply* reply) override  {…}
};
class GreeterServiceImpl final : public Greeter::Service {…};
 
void RunServer() {
  std::string server_address("0.0.0.0:50051");
  GreeterServiceImpl service;
 
  grpc::EnableDefaultHealthCheckService(true);
  grpc::reflection::InitProtoReflectionServerBuilderPlugin();
  ServerBuilder builder;
  // Listen on the given address without any authentication mechanism.
  builder.AddListeningPort(server_address, grpc::InsecureServerCredentials());
  // Register "service" as the instance through which we'll communicate with
  // clients. In this case it corresponds to an *synchronous* service.
  builder.RegisterService(&service);
  // Finally assemble the server.
  std::unique_ptr<Server> server(builder.BuildAndStart());
  std::cout << "Server listening on " << server_address << std::endl;
 
  // Wait for the server to shutdown. Note that some other thread must be
  // responsible for shutting down the server for this call to ever return.
  server->Wait();
}
void RunServer() {…}
 
int main(int argc, char** argv) {
  RunServer();
 
  return 0;
}
int main(int argc, char** argv) {…}