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12cd62c689
This implementation is based on RFC 6550 with addition of RFC 6554 (Source Routing Header for RPL). Both can be found under the following links: - http://tools.ietf.org/html/rfc6550 - http://tools.ietf.org/html/rfc6554 The PR provides basic functionality for handling and forwarding packages in non-storing mode. In addition the structure of the previous implemented RPL storing mode is now revised, so that readability and modularity is increased. The following features are implemented: - building function for a SRH and integration in common packets - source-route build algorithm based on the structure of the DODAG - an RPL-based interpretation of the SRH and removal at destination - new structure for RPl-module with extracted beaconing-functionality - leaf nodes are now supported There are some missed goals and should be included in future updates: - building a common routing table structure for different types of routing protocols - routing tables are statically assigned via source code, future update should have an optional variable at build-time, which sets the size of the routing table depending on the desired functionality of a node in the network (root, node, leaf)
54 lines
1.5 KiB
C
54 lines
1.5 KiB
C
/*
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* Copyright (C) 2014 Oliver Hahm <oliver.hahm@inria.fr>
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @ingroup shell_commands
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* @{
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* @file sc_rpl.c
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* @brief provides shell commands to manage and query RPL
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* @author Oliver Hahm <oliver.hahm@inria.fr>
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* @}
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*/
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#include <stdio.h>
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#include <stdint.h>
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#include "rpl.h"
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static char addr_str[IPV6_MAX_ADDR_STR_LEN];
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void _rpl_route_handler(int argc, char **argv)
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{
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(void) argc;
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(void) argv;
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rpl_routing_entry_t *rtable;
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rtable = rpl_get_routing_table();
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unsigned c = 0;
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puts("--------------------------------------------------------------------");
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puts("Routing table");
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printf(" %-3s %-18s %-18s %s\n", "#", "target", "next hop", "lifetime");
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puts("--------------------------------------------------------------------");
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for (int i = 0; i < rpl_max_routing_entries; i++) {
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if (rtable[i].used) {
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c++;
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printf(" %03d: %-18s ", i, ipv6_addr_to_str(addr_str, IPV6_MAX_ADDR_STR_LEN,
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(&rtable[i].address)));
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printf("%-18s ", ipv6_addr_to_str(addr_str, IPV6_MAX_ADDR_STR_LEN,
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(&rtable[i].next_hop)));
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printf("%d\n", rtable[i].lifetime);
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}
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}
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puts("--------------------------------------------------------------------");
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printf(" %u routing table entries\n", c);
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puts("$");
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}
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