nuttx/net/route/net_add_fileroute.c
2018-03-13 09:52:27 -06:00

142 lines
4.6 KiB
C

/****************************************************************************
* net/route/net_add_fileroute.c
*
* Copyright (C) 2013, 2015, 2017 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <stdint.h>
#include <fcntl.h>
#include <string.h>
#include <errno.h>
#include <debug.h>
#include <nuttx/fs/fs.h>
//#include <nuttx/net/net.h>
#include <nuttx/net/ip.h>
#include "route/fileroute.h"
#include "route/route.h"
#if defined(CONFIG_ROUTE_IPv4_FILEROUTE) || defined(CONFIG_ROUTE_IPv6_FILEROUTE)
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: net_addroute_ipv4 and net_addroute_ipv6
*
* Description:
* Add a new route to the routing table
*
* Input Parameters:
*
* Returned Value:
* OK on success; Negated errno on failure.
*
****************************************************************************/
#ifdef CONFIG_ROUTE_IPv4_FILEROUTE
int net_addroute_ipv4(in_addr_t target, in_addr_t netmask, in_addr_t router)
{
struct net_route_ipv4_s route;
struct file fshandle;
ssize_t nwritten;
int ret;
/* Format the new routing table entry */
net_ipv4addr_copy(route.target, target);
net_ipv4addr_copy(route.netmask, netmask);
net_ipv4addr_copy(route.router, router);
net_ipv4_dumproute("New route", &route);
/* Open the IPv4 routing table for append access */
ret = net_openroute_ipv4(O_WRONLY | O_APPEND | O_CREAT, &fshandle);
if (ret < 0)
{
nerr("ERROR: Could not open IPv4 routing table: %d\n", ret);
return ret;
}
/* Then append the new entry to the end of the routing table */
nwritten = net_writeroute_ipv4(&fshandle, &route);
(void)net_closeroute_ipv4(&fshandle);
return nwritten >= 0 ? 0 : (int)nwritten;
}
#endif
#ifdef CONFIG_ROUTE_IPv6_FILEROUTE
int net_addroute_ipv6(net_ipv6addr_t target, net_ipv6addr_t netmask,
net_ipv6addr_t router)
{
struct net_route_ipv6_s route;
struct file fshandle;
ssize_t nwritten;
int ret;
/* Format the new routing table entry */
net_ipv6addr_copy(route.target, target);
net_ipv6addr_copy(route.netmask, netmask);
net_ipv6addr_copy(route.router, router);
net_ipv6_dumproute("New route", &route);
/* Open the IPv6 routing table for append access */
ret = net_openroute_ipv6(O_WRONLY | O_APPEND | O_CREAT, &fshandle);
if (ret < 0)
{
nerr("ERROR: Could not open IPv6 routing table: %d\n", ret);
return ret;
}
/* Then append the new entry to the end of the routing table */
nwritten = net_writeroute_ipv6(&fshandle, &route);
(void)net_closeroute_ipv6(&fshandle);
return nwritten >= 0 ? 0 : (int)nwritten;
}
#endif
#endif /* CONFIG_ROUTE_IPv4_FILEROUTE || CONFIG_ROUTE_IPv6_FILEROUTE */