/*
 * Copyright (C) 2014 Oliver Hahm <oliver.hahm@inria.fr>
 *
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */

/**
 * @ingroup     sys_shell_commands
 * @{
 *
 * @file
 * @brief       Provides shell commands to manage and query RPL
 *
 * @author      Oliver Hahm <oliver.hahm@inria.fr>
 *
 * @}
 */

#include <stdio.h>
#include <stdint.h>

#include "rpl.h"

static char addr_str[IPV6_MAX_ADDR_STR_LEN];

int _rpl_route_handler(int argc, char **argv)
{
    (void) argc;
    (void) argv;

    rpl_routing_entry_t *rtable;
    rtable = rpl_get_routing_table();
    if (rtable) {
        unsigned c = 0;
        puts("--------------------------------------------------------------------");
        puts("Routing table");
        printf(" %-3s  %-18s  %-18s  %s\n", "#", "target", "next hop", "lifetime");
        puts("--------------------------------------------------------------------");

        for (int i = 0; i < rpl_max_routing_entries; i++) {
            if (rtable[i].used) {
                c++;
                printf(" %03d: %-18s  ", i, ipv6_addr_to_str(addr_str, IPV6_MAX_ADDR_STR_LEN,
                                                (&rtable[i].address)));
                printf("%-18s  ", ipv6_addr_to_str(addr_str, IPV6_MAX_ADDR_STR_LEN,
                                                (&rtable[i].next_hop)));
                printf("%d\n", rtable[i].lifetime);

            }
        }
        puts("--------------------------------------------------------------------");
        printf(" %u routing table entries\n", c);
    }
    else {
        puts("No routing table available");
    }
    puts("$");

    return 0;
}