int main(int argc, char **argv)
{
int sockfd, n;
char recvline[MAXLINE+1];
struct sockaddr_in servaddr;
if (argc != 2)
err_quit("Usage: cli <Ipaddress>");
sockfd = Socket(AF_INET, SOCK_STREAM, 0);
bzero(&servaddr, sizeof(servaddr));
servaddr.sin_family = AF_INET;
servaddr.sin_port = htons(SERV_PORT);
Inet_pton(AF_INET, argv[1], &servaddr.sin_addr);
// if (connect_nob(sockfd, (SA *)&servaddr, sizeof(servaddr)) < 0)
// err_sys("connect error");
connect_nob(sockfd, (SA *)&servaddr, sizeof(servaddr), 10);
while ((n = read(sockfd, recvline, MAXLINE)) > 0)
{
recvline[n] = 0;
if (fputs(recvline, stdout) == EOF)
err_sys("fputs error");
}
if (n < 0)
err_sys("read error");
exit(0);
}
__int32 tcp_connect(const char* host, const char* serv)
{
__int32 sockfd, n;
struct addrinfo hints, *res, *ressave;
memset(&hints, 0, sizeof(struct addrinfo));
hints.ai_family = AF_UNSPEC;
hints.ai_socktype = SOCK_STREAM;
if ((n = getaddrinfo(host, serv, &hints, &res)) != 0)
return n;
ressave = res;
do {
sockfd = socket(res->ai_family, res->ai_socktype, res->ai_protocol);
if (sockfd < 0)
continue;
if (connect_nob(sockfd, res->ai_addr, res->ai_addrlen, 5) == 0)
break;
closesocket(sockfd);
} while ((res = res->ai_next) != NULL);
freeaddrinfo(ressave);
if (res == NULL)
return -1;
return sockfd;
}
