85 lines
2.2 KiB
C
85 lines
2.2 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* client.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: jhalford <jack@crans.org> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2017/04/02 19:18:31 by jhalford #+# #+# */
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/* Updated: 2017/04/03 18:43:40 by jhalford ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "ft_p.h"
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int create_client(char *addr, int port)
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{
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int sock;
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struct protoent *proto;
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struct sockaddr_in sin;
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if (!(proto = getprotobyname("tcp")))
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return (-1);
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sock = socket(PF_INET, SOCK_STREAM, proto->p_proto);
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sin.sin_family = AF_INET;
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sin.sin_port = htons(port);
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sin.sin_addr.s_addr = inet_addr(addr);
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if (connect(sock, (const struct sockaddr *)&sin, sizeof(sin)) < 0)
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return (-1);
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return (sock);
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}
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void sigint_nl(int signo)
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{
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(void)signo;
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ft_putchar('\n');
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signal(SIGINT, SIG_DFL);
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kill(SIGINT, getpid());
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}
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int main(int ac, char **av)
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{
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int port;
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int sock;
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char buf[FTP_READ_BUF];
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char *input;
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pid_t pid;
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pid_t client_pid;
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int status;
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client_pid = getpid();
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if (ac != 3)
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ft_usage(FTP_CLIENT_USAGE, av[0]);
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port = ft_atoi(av[2]);
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if ((sock = create_client(av[1], port)) < 0)
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{
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perror(av[0]);
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return (1);
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}
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signal(SIGINT, SIG_IGN);
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while (1)
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{
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if ((pid = fork()) < 0)
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exit(1);
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if (pid == 0)
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{
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signal(SIGINT, sigint_nl);
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if (!(input = readline("ft_p> ")))
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exit(1);
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if (*input)
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{
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write(sock, input, ft_strlen(input));
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read(sock, buf, FTP_READ_BUF);
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write(1, buf, ft_strlen(buf));
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}
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ft_strdel(&input);
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tcsetpgrp(STDIN, client_pid);
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exit(0);
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}
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waitpid(pid, &status, 0);
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if (WEXITSTATUS(status) == 1)
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return (1);
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}
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close(sock);
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return (0);
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}
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