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/* Socket-specific operations
Copyright (C) 1995 Free Software Foundation, Inc.
Written by Miles Bader <miles@gnu.ai.mit.edu>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2, or (at
your option) any later version.
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
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include <socket.h>
#include "pflocal.h"
/* Connect two sockets */
error_t
S_socket_connect2 (struct sock_user *user1, struct sock_user *user2)
{
if (!user1 || !user2)
return EOPNOTSUPP;
return sock_connect (user1->sock, user2->sock);
}
/* Make sure we have a queue to listen on. */
static error_t
ensure_listenq (struct sock *sock)
{
error_t err = 0;
mutex_lock (&sock->lock);
if (!sock->listenq)
err = listenq_create (0, &sock->listenq);
mutex_unlock (&sock->lock);
return err;
}
/* Return a new connection from a socket previously listened. */
error_t
S_socket_accept (struct sock_user *user,
mach_port_t *port, mach_msg_type_name_t *port_type,
mach_port_t *peer_addr, mach_msg_type_name_t *peer_addr_type)
{
error_t err;
if (!user)
return EOPNOTSUPP;
err = ensure_listenq (sock);
if (!err)
{
struct listenq_request *request;
struct sock *peer_sock;
err =
listenq_listen (sock->listenq, sock->modes & O_NONBLOCK,
&peer_sock, &request);
if (!err)
{
struct sock *conn_sock;
err = sock_clone (sock, &conn_sock);
if (!err)
{
err = sock_connect (conn_sock, peer_sock);
if (!err)
{
err = sock_create_port (conn_sock, port, port_type);
if (!err)
{
*addr = ports_get_right (peer_sock->addr);
*addr_type = MACH_MSG_MAKE_SEND;
}
else
/* TEAR DOWN THE CONNECTION XXX */;
}
if (err)
sock_free (conn_sock);
}
/* Send back any error to the connecting thread. */
listenq_request_complete (request, err);
}
}
return err;
}
/* Prepare a socket of appropriate type for future accept operations. */
error_t
S_socket_listen (struct sock_user *user, int queue_limit)
{
error_t err;
if (!user)
return EOPNOTSUPP;
err = ensure_listenq (sock);
if (!err)
err = listenq_set_length (sock->listenq, queue_limit);
return err;
}
error_t
S_socket_connect (struct sock_user *user, struct addr *addr)
{
if (!user)
return EOPNOTSUPP;
if (!addr)
return EADDRNOTAVAIL;
}
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