C++ grpc服务端 代码示例
时间: 2023-06-09 20:07:24 浏览: 75
以下是一个简单的 gRPC 服务端示例,使用 C 语言实现:
```c
#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <string.h>
#include <unistd.h>
#include <grpc/grpc.h>
#include <grpcpp/server.h>
#include <grpcpp/server_builder.h>
#include <grpcpp/server_context.h>
#include <grpcpp/security/server_credentials.h>
#include "sample.grpc.pb.h"
using grpc::Server;
using grpc::ServerBuilder;
using grpc::ServerContext;
using grpc::Status;
using sample::Greeter;
using sample::HelloRequest;
using sample::HelloReply;
class GreeterImpl 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;
}
};
void RunServer() {
std::string server_address("0.0.0.0:50051");
GreeterImpl service;
grpc::ServerBuilder builder;
builder.AddListeningPort(server_address, grpc::InsecureServerCredentials());
builder.RegisterService(&service);
std::unique_ptr<Server> server(builder.BuildAndStart());
std::cout << "Server listening on " << server_address << std::endl;
server->Wait();
}
int main(int argc, char** argv) {
RunServer();
return 0;
}
```
这个示例中定义了一个 GreeterImpl 类,继承自 Greeter::Service,实现了 SayHello 方法,用于响应客户端发送的请求。在 main 函数中,调用 RunServer 方法启动服务器。在 RunServer 方法中,创建一个 gRPC 服务器,绑定监听地址和端口,注册服务并启动。最后,调用 server->Wait() 等待客户端连接。