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example_socket.cpp
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112 lines (94 loc) · 2.91 KB
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#include <iostream>
#include "example.pb.h"
#include <sys/types.h>
#include <sys/socket.h>
#include <stdio.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <unistd.h>
#include <string.h>
#include <stdlib.h>
#include <fcntl.h>
#include <sys/shm.h>
#include <chrono>
#define MYPORT 7000
#define BUFFER_SIZE 1024
// nc localhost 2389
// nc -l localhost 2389
// g++ example_socket.cpp example.pb.cc example.pb.h `pkg-config --cflags --libs protobuf`
int main()
{
/// Define sockfd
int sock_cli = socket(AF_INET,SOCK_STREAM, 0);
/// Define sockaddr_in
struct sockaddr_in servaddr;
memset(&servaddr, 0, sizeof(servaddr));
servaddr.sin_family = AF_INET;
servaddr.sin_port = htons(MYPORT); /// Server Port
servaddr.sin_addr.s_addr = inet_addr("127.0.0.1"); /// server ip
Person per;
per.set_id(5000);
per.set_number(5000);
per.set_anotherid(5000);
per.set_aid(5000);
per.set_bid(5000);
per.set_cid(5000);
per.set_did(5000);
per.set_eid(5000);
per.set_fid(5000);
per.set_gid(5000);
//per.set_name("MadamCurie");
//gper.clear_name();
//std::cout<<per.name();
endl(std::cout);
size_t size = per.ByteSizeLong();
std::cout<<"size bytes "<<size<<std::endl;
void *buffer = malloc(size);
bool flag = per.SerializeToArray(buffer, size);
if(flag == false)
std::cout<<"serialize problem"<<std::endl;
//Connect to the server, successfully return 0, error return - 1
if (connect(sock_cli, (struct sockaddr *)&servaddr, sizeof(servaddr)) < 0)
{
perror("connect");
exit(1);
}
char sendbuf[size];
char recvbuf[size];
auto start = std::chrono::system_clock::now();
int cnt = 0;
while (cnt < 100000)
{
cnt ++;
Person per;
per.set_id(5000);
per.set_number(5000);
per.set_anotherid(5000);
per.set_aid(5000);
per.set_bid(5000);
per.set_cid(5000);
per.set_did(5000);
per.set_eid(5000);
per.set_fid(5000);
per.set_gid(5000);
size_t size = per.ByteSizeLong();
void *buffer = malloc(size);
bool flag = per.SerializeToArray(buffer, size);
if(flag == false)
std::cout<<"serialize problem"<<std::endl;
send(sock_cli, buffer, size,0); /// Send
recv(sock_cli, recvbuf, sizeof(recvbuf),0); /// Receiving
//fputs(recvbuf, stdout);
Person per2;
per2.ParseFromArray(recvbuf, sizeof(recvbuf));
//std::cout<<per2.id()<<std::endl;
//std::cout<<per2.number()<<std::endl;
memset(sendbuf, 0, sizeof(sendbuf));
memset(recvbuf, 0, sizeof(recvbuf));
}
auto end = std::chrono::system_clock::now();
auto elapsed = std::chrono::duration_cast<std::chrono::milliseconds>(end - start);
std::cout << elapsed.count() << '\n';
close(sock_cli);
return 0;
}