void socket_open(message * m)
{
struct sock_ops * ops;
struct socket * sock;
int ret = OK;
switch (m->DEVICE) {
case SOCK_TYPE_TCP:
ops = &sock_tcp_ops;
break;
case SOCK_TYPE_UDP:
ops = &sock_udp_ops;
break;
case SOCK_TYPE_IP:
ops = &sock_raw_ip_ops;
break;
default:
if (m->DEVICE - SOCK_TYPES < MAX_DEVS) {
m->DEVICE -= SOCK_TYPES;
nic_open(m);
return;
}
printf("LWIP unknown socket type %d\n", m->DEVICE);
send_reply_open(m, EINVAL);
return;
}
sock = get_unused_sock();
if (!sock) {
printf("LWIP : no free socket\n");
send_reply_open(m, EAGAIN);
return;
}
sock->ops = ops;
sock->select_ep = NONE;
sock->recv_data_size = 0;
if (sock->ops && sock->ops->open)
ret = sock->ops->open(sock, m);
if (ret == OK) {
debug_print("new socket %ld", get_sock_num(sock));
send_reply_open(m, get_sock_num(sock));
} else {
debug_print("failed %d", ret);
send_reply_open(m, ret);
}
}
int socket_open(devminor_t minor)
{
struct sock_ops * ops;
struct socket * sock;
int ret = OK;
switch (minor) {
case SOCK_TYPE_TCP:
ops = &sock_tcp_ops;
break;
case SOCK_TYPE_UDP:
ops = &sock_udp_ops;
break;
case SOCK_TYPE_IP:
ops = &sock_raw_ip_ops;
break;
default:
if (minor - SOCK_TYPES < MAX_DEVS)
return nic_open(minor - SOCK_TYPES);
printf("LWIP unknown socket type %d\n", minor);
return EINVAL;
}
sock = get_unused_sock();
if (!sock) {
printf("LWIP : no free socket\n");
return EAGAIN;
}
sock->ops = ops;
sock->select_ep = NONE;
sock->recv_data_size = 0;
if (sock->ops && sock->ops->open)
ret = sock->ops->open(sock);
if (ret == OK) {
debug_print("new socket %ld", get_sock_num(sock));
ret = get_sock_num(sock);
} else {
debug_print("failed %d", ret);
/* FIXME: shouldn't sock be freed now? */
}
return ret;
}
