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/* Interface functions for the socket.defs interface.
Copyright (C) 1995 Free Software Foundation, Inc.
Written by Michael I. Bushnell, p/BSG.
This file is part of the GNU Hurd.
The GNU Hurd 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.
The GNU Hurd 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., 59 Temple Place - Suite 330, Boston, MA 02111, USA. */
#include "socket_S.h"
/* Listen on a socket. */
error_t
S_socket_listen (struct user_sock *user, int queue_limit)
{
if (!user)
return EOPNOTSUPP;
mutex_lock (&global_lock);
if (user->sock->state == SS_UNCONNECTED)
{
if (user->sock->ops && user->sock->ops->listen)
(*user->sock->ops->listen) (user->sock, queue_limit);
user->sock->flags |= SO_ACCEPTCON;
mutex_unlock (&global_lock);
return 0;
}
else
{
mutex_unlock (&global_lock);
return EINVAL;
}
}
error_t
S_socket_accept (struct sock_user *user,
mach_port_t *new_port,
mach_msg_type_name_t *new_port_type,
mach_port_t *addr_port,
mach_msg_type_name_t *addr_port_type)
{
struct socket *sock, *newsock;
error_t err;
int i;
if (!user)
return EOPNOTSUPP;
mutex_lock (&global_lock);
sock = user->sock;
newsock = 0;
err = 0;
if ((sock->state != SS_UNCONNECTED)
|| (!(sock->flags & SO_ACCEPTCON)))
err = EINVAL;
else if (!(newsock = sock_alloc ()))
err = ENOSR;
if (err)
goto out;
newsock->type = sock->type;
newsock->ops = sock->ops;
err = - (*sock->ops->dup) (newsock, sock);
if (err)
goto out;
/* O_NONBLOCK flag in Linux comes from fd table for third
arg here... what to do? XXX */
err = - (*sock->ops->accept) (sock, newsock, 0);
if (err)
goto out;
make_sockaddr_port (newsock, 1, addr_port, addr_port_type);
*new_port = ports_get_right (make_sock_user (newsock, sock->isroot));
*new_port_type = MACH_MSG_TYPE_MAKE_SEND;
out:
if (err && newsock)
sock_release (newsock);
mutex_unlock (&global_lock);
return err;
}
error_t
S_socket_connect (struct sock_user *user,
struct sock_addr *addr)
{
struct socket *sock;
error_t err;
if (!user || !addr)
return EOPNOTSUPP;
sock = user->sock;
mutex_lock (&global_lock);
err = 0;
if (sock->state == SS_CONNECTED
&& sock->type != SOCK_DGRAM)
err = EISCONN;
else if (sock->state != SS_UNCONNECTED
&& sock->state != SS_CONNECTING)
err = EINVAL;
if (!err)
/* Flags here come from fd table in Linux for O_NONBLOCK... XXX */
err = - (*sock->ops->connect) (sock, addr->address, addr->len, 0);
mutex_unlock (&global_lock);
return err;
}
error_t
S_socket_bind (struct user_sock *user,
struct sock_addr *addr)
{
error_t err;
if (!sock)
return EOPNOTSUPP;
mutex_lock (&global_lock);
err = (*user->sock->ops->bind) (user->sock, addr->address, addr->len);
mutex_unlock (&global_lock);
return err;
}
error_t
S_socket_name (struct sock_user *user,
mach_port_t *addr_port,
mach_port_name_t *addr_port_name)
{
if (!user)
return EOPNOTSUPP;
mutex_lock (&global_lock);
make_sockaddr_port (user->sock, 0, addr_port, addr_port_name);
mutex_unlock (&global_lock);
return 0;
}
error_t
S_socket_peername (struct sock_user *user,
mach_port_t *addr_port,
mach_port_name_t *addr_port_name)
{
error_t err;
if (!user)
return EOPNOTSUPP;
mutex_lock (&global_lock);
err = make_sockaddr_port (user->sock, 1, addr_port, addr_port_name);
mutex_unlock (&global_lock);
return err;
}
error_t
S_socket_connect2 (struct sock_user *user1,
struct sock_user *user2)
{
error_t err;
if (!user1 || !user2)
return EOPNOTSUPP;
mutex_lock (&global_lock);
if (user1->sock->type != user2->sock->type)
err = EINVAL;
else if (user1->sock->state != SS_UNCONNECTED
&& user2->sock->state != SS_UNCONNECTED)
err = EISCONN;
else
err = - (*user1->sock->ops->socketpair) (user1->sock, user2->sock);
if (!err)
{
user1->sock->conn = user2->sock;
user2->sock->conn = user1->sock;
user1->sock->state = SS_CONNECTED;
user2->sock->state = SS_CONNECTED;
}
mutex_unlock (&global_lock);
return err;
}
error_t
S_socket_create_address (mach_port_t server,
int sockaddr_type,
char *data,
mach_msg_number_t *data_len,
mach_port_t *addr_port,
mach_msg_type_name_t *addr_port_type,
int binding)
{
struct sock_addr *addr;
if (sockaddr_type != AF_INET)
return EAFNOTSUPP;
addr = ports_allocate_port (pfinet_bucket,
sizeof (struct sock_addr) + data_len,
addrport_class);
addr->len = data_len;
bcopy (data, addr->address, data_len);
*addr_port = ports_get_right (addr);
*addr_port_type = MACH_MSG_TYPE_MAKE_SEND;
return 0;
}
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