#include <iostream>
#include <sys/types.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <strings.h>
#include <unistd.h>

using namespace std;

int main()
{
 int sfd = socket(AF_INET, SOCK_STREAM, 0);
 if (sfd < 0) {
 cerr << "Create socket error!";
 }

 const int port = 5000;
 struct sockaddr_in s_addr;
 bzero(&s_addr, sizeof(s_addr));
 s_addr.sin_family = AF_INET;
 s_addr.sin_addr.s_addr = inet_addr("127.0.0.1");
 s_addr.sin_port = htons(port);
 if (bind(sfd, (struct sockaddr*)&s_addr, sizeof(s_addr)) < 0) {
 cerr << "Bind error";
 }

 listen(sfd, 10);

 struct sockaddr c_addr;
 socklen_t len;
 char buffer[1024];

 int cfd = accept(sfd, &c_addr, &len);
 while (true) {
 bzero(buffer, 1024);
 int rsize = recv(cfd, buffer, 1024, 0);
 cout << "Read size: " << rsize << endl;
 cout << "Content: " << buffer << endl;
 send(cfd, "Got it\n", 6, 0);
 }
 close(cfd);
 close(sfd);
 return 0;
}