76 lines
2 KiB
C
76 lines
2 KiB
C
/* ************************************************************************** */
|
|
/* */
|
|
/* ::: :::::::: */
|
|
/* server.c :+: :+: :+: */
|
|
/* +:+ +:+ +:+ */
|
|
/* By: jhalford <jack@crans.org> +#+ +:+ +#+ */
|
|
/* +#+#+#+#+#+ +#+ */
|
|
/* Created: 2017/04/02 15:02:48 by jhalford #+# #+# */
|
|
/* Updated: 2017/04/02 21:40:33 by jhalford ### ########.fr */
|
|
/* */
|
|
/* ************************************************************************** */
|
|
|
|
#include "ft_p.h"
|
|
|
|
#define FTP_SERVER_USAGE "%s <port>"
|
|
|
|
int create_server(int port)
|
|
{
|
|
int sock;
|
|
struct protoent *proto;
|
|
struct sockaddr_in sin;
|
|
|
|
if (!(proto = getprotobyname("tcp")))
|
|
return (-1);
|
|
sock = socket(PF_INET, SOCK_STREAM, proto->p_proto);
|
|
sin.sin_family = AF_INET;
|
|
sin.sin_port = htons(port);
|
|
sin.sin_addr.s_addr = htonl(INADDR_ANY);
|
|
if (bind(sock, (const struct sockaddr *)&sin, sizeof(sin)) < 0)
|
|
return (-1);
|
|
listen(sock, 42);
|
|
return (sock);
|
|
}
|
|
|
|
int main(int ac, char **av)
|
|
{
|
|
int port;
|
|
int sock;
|
|
int cs;
|
|
struct sockaddr_in csin;
|
|
socklen_t cslen;
|
|
int r;
|
|
char buf[1024];
|
|
pid_t pid;
|
|
|
|
if (ac != 2)
|
|
ft_usage(FTP_SERVER_USAGE, av[0]);
|
|
port = ft_atoi(av[1]);
|
|
if ((sock = create_server(port)) < 0)
|
|
{
|
|
perror(av[0]);
|
|
return (1);
|
|
}
|
|
while (1)
|
|
{
|
|
cs = accept(sock, (struct sockaddr*)&csin, &cslen);
|
|
if ((pid = fork()) < 0)
|
|
{
|
|
perror(av[0]);
|
|
return (1);
|
|
}
|
|
if (pid == 0)
|
|
{
|
|
while ((r = read(cs, buf, 1023)) > 0)
|
|
{
|
|
buf[r - 1] = 0;
|
|
ft_printf("==%i== received %i bytes: [%s]\n", getpid(), r, buf);
|
|
}
|
|
close(cs);
|
|
exit (0);
|
|
}
|
|
close(cs);
|
|
}
|
|
close(sock);
|
|
return (0);
|
|
}
|