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/*
* ivykis, an event handling library
* Copyright (C) 2002, 2003, 2009, 2011 Lennert Buytenhek
* Dedicated to Marija Kulikova.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version
* 2.1 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 2.1 for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License version 2.1 along with this program; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include <stdio.h>
#include <stdlib.h>
#include <iv.h>
#include <iv_fd_pump.h>
#include <netinet/in.h>
struct connection {
struct iv_fd sock;
struct iv_fd_pump pump;
};
static void conn_pump(void *_conn)
{
struct connection *conn = (struct connection *)_conn;
if (iv_fd_pump_pump(&conn->pump) <= 0) {
iv_fd_pump_destroy(&conn->pump);
iv_fd_unregister(&conn->sock);
close(conn->sock.fd);
free(conn);
}
}
static void conn_set_bands(void *_conn, int pollin, int pollout)
{
struct connection *conn = (struct connection *)_conn;
iv_fd_set_handler_in(&conn->sock, pollin ? conn_pump : NULL);
iv_fd_set_handler_out(&conn->sock, pollout ? conn_pump : NULL);
}
static struct iv_fd listening_socket;
static void got_connection(void *_dummy)
{
struct sockaddr_in addr;
struct connection *conn;
socklen_t addrlen;
int ret;
addrlen = sizeof(addr);
ret = accept(listening_socket.fd, (struct sockaddr *)&addr, &addrlen);
if (ret < 0)
return;
conn = malloc(sizeof(*conn));
if (conn == NULL) {
fprintf(stderr, "memory squeeze\n");
abort();
}
IV_FD_INIT(&conn->sock);
conn->sock.fd = ret;
conn->sock.cookie = (void *)conn;
iv_fd_register(&conn->sock);
IV_FD_PUMP_INIT(&conn->pump);
conn->pump.from_fd = ret;
conn->pump.to_fd = ret;
conn->pump.cookie = conn;
conn->pump.set_bands = conn_set_bands;
conn->pump.flags = 0;
iv_fd_pump_init(&conn->pump);
}
static int open_listening_socket(void)
{
struct sockaddr_in addr;
int sock;
sock = socket(AF_INET, SOCK_STREAM, 0);
if (sock < 0) {
perror("socket");
return 1;
}
addr.sin_family = AF_INET;
addr.sin_addr.s_addr = htonl(INADDR_ANY);
addr.sin_port = htons(6969);
if (bind(sock, (struct sockaddr *)&addr, sizeof(addr)) < 0) {
perror("bind");
return 1;
}
listen(sock, 5);
IV_FD_INIT(&listening_socket);
listening_socket.fd = sock;
listening_socket.cookie = NULL;
listening_socket.handler_in = got_connection;
iv_fd_register(&listening_socket);
return 0;
}
int main()
{
iv_init();
open_listening_socket();
iv_main();
return 0;
}
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