获取本机的主机名和ip地址

#include <iostream>

#include <netdb.h>

#include <sys/socket.h>

#include <netinet/in.h>

#include <arpa/inet.h>

using namespace std;

string GetEndpoint() {

char host_name[255];

if(gethostname(host_name, 255) == -1) {

return "";

}

cout <<" hostname:" << host_name <<endl;

struct hostent *phe = gethostbyname(host_name);

if (phe == 0) {

return "";

}

string ip;

for (int i = 0; phe->h_addr_list[i] != 0; ++i) {

struct in_addr addr;

memcpy(&addr, phe->h_addr_list[i], sizeof(struct in_addr));

ip = inet_ntoa(addr);

cout <"ip:" << ip <<endl;

}

return ip+":11315";

}