/**************************************************************************** * net/route/net_foreach_ramroute.c * * Copyright (C) 2013, 2017 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * 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 #include #include #include #include #include "route/ramroute.h" #include "route/route.h" #if defined(CONFIG_ROUTE_IPv4_RAMROUTE) || defined(CONFIG_ROUTE_IPv6_RAMROUTE) /**************************************************************************** * Public Functions ****************************************************************************/ /**************************************************************************** * Name: net_foreachroute_ipv4 and net_foreachroute_ipv6 * * Description: * Traverse the routing table * * Parameters: * handler - Will be called for each route in the routing table. * arg - An arbitrary value that will be passed tot he handler. * * Returned Value: * Zero (OK) returned if the entire table was search. A negated errno * value will be returned in the event of a failure. Handlers may also * terminate the search early with any non-zero, non-negative value. * ****************************************************************************/ #ifdef CONFIG_ROUTE_IPv4_RAMROUTE int net_foreachroute_ipv4(route_handler_ipv4_t handler, FAR void *arg) { FAR struct net_route_ipv4_entry_s *route; FAR struct net_route_ipv4_entry_s *next; int ret = 0; /* Prevent concurrent access to the routing table */ net_lock(); /* Visit each entry in the routing table */ for (route = g_ipv4_routes.head; ret == 0 && route != NULL; route = next) { /* Get the next entry in the to visit. We do this BEFORE calling the * handler because the hanlder may delete this entry. */ next = route->flink; ret = handler(&route->entry, arg); } /* Unlock the network */ net_unlock(); return ret; } #endif #ifdef CONFIG_ROUTE_IPv6_RAMROUTE int net_foreachroute_ipv6(route_handler_ipv6_t handler, FAR void *arg) { FAR struct net_route_ipv6_entry_s *route; FAR struct net_route_ipv6_entry_s *next; int ret = 0; /* Prevent concurrent access to the routing table */ net_lock(); /* Visit each entry in the routing table */ for (route = g_ipv6_routes.head; ret == 0 && route != NULL; route = next) { /* Get the next entry in the to visit. We do this BEFORE calling the * handler because the hanlder may delete this entry. */ next = route->flink; ret = handler(&route->entry, arg); } /* Unlock the network */ net_unlock(); return ret; } #endif #endif /* CONFIG_ROUTE_IPv4_RAMROUTE || CONFIG_ROUTE_IPv6_RAMROUTE */