#include <stdlib.h>
#include <stdbool.h>
#include <err.h>
#include <stdio.h>
#include <getopt.h>
#include <event2/event.h>
#include "sock.h"
#include "line_proto.h"
#define CONNECT_HOST "irc.fixme.fi"
#define CONNECT_SERV "6697"
#define LINE_LENGTH 512
static struct option options[] = {
{"help", 0, NULL, 'h' },
{"hostname", 1, NULL, 'H' },
{"port", 1, NULL, 'P' },
{"ssl", 0, NULL, 'S' },
{0, 0, 0, 0 },
};
void usage (const char *exe)
{
printf("Usage: %s [OPTIONS]\n", exe);
printf("\n");
printf(" --help / -h display this message\n");
printf(" --hostname / -H HOST set hostname to connect to\n");
printf(" --port / -P PORT set service port to connect to\n");
printf(" --ssl / -S use SSL\n");
}
void on_line (const char *line, void *arg)
{
printf("<<< %s\n", line);
}
int main (int argc, char **argv)
{
int opt, option_index;
struct event_base *ev_base;
struct sock_stream *sock;
struct line_proto *lp;
struct error_info _err;
const char *hostname = CONNECT_HOST, *portname = CONNECT_SERV;
bool ssl = 0;
// parse options
while ((opt = getopt_long(argc, argv, "hH:P:S", options, &option_index)) != -1) {
switch (opt) {
case 'h':
usage(argv[0]);
return EXIT_SUCCESS;
case 'H':
hostname = optarg;
break;
case 'P':
portname = optarg;
break;
case 'S':
ssl = true;
case '?':
usage(argv[0]);
return EXIT_FAILURE;
}
}
// initialize libevent
if ((ev_base = event_base_new()) == NULL)
err(1, "event_base_new");
// initialize sock module
if (sock_init(ev_base, &_err))
errx(1, "sock_init: %s", error_msg(&_err));
// over-simplified connect
if (ssl) {
if (sock_ssl_connect(&sock, hostname, portname, &_err))
errx(1, "sock_ssl_connect: %s", error_msg(&_err));
} else {
if (sock_tcp_connect(&sock, hostname, portname, &_err))
errx(1, "sock_tcp_connect: %s", error_msg(&_err));
}
// line protocol, with safety margin for buffer
if (line_proto_create(&lp, sock, LINE_LENGTH * 2, on_line, NULL, &_err))
errx(1, "line_proto_create: %s", error_msg(&_err));
// run event loop
if (event_base_dispatch(ev_base))
errx(1, "event_base_dispatch");
// ok, no cleanup
return 0;
}