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/*
 * src/nl-link-dump.c   Dump link attributes
 *
 *      This library is free software; you can redistribute it and/or
 *      modify it under the terms of the GNU Lesser General Public
 *      License as published by the Free Software Foundation version 2.1
 *      of the License.
 *
 * Copyright (c) 2003-2009 Thomas Graf <tgraf@suug.ch>
 */

#if 0
static void print_usage(void)
{
        printf(
        "Usage: nl-link-dump <mode> [<filter>]\n"
        "  mode := { brief | detailed | stats | xml }\n"
        "  filter := [dev DEV] [mtu MTU] [txqlen TXQLEN] [weight WEIGHT] [link LINK]\n"
        "            [master MASTER] [qdisc QDISC] [addr ADDR] [broadcast BRD]\n"
        "            [{ up | down }] [{ arp | noarp }] [{ promisc | nopromisc }]\n"
        "            [{ dynamic | nodynamic }] [{ multicast | nomulticast }]\n"
        "            [{ trailers | notrailers }] [{ allmulticast | noallmulticast }]\n");
        exit(1);
}
#endif

#include <netlink/cli/utils.h>
#include <netlink/cli/link.h>

static void print_usage(void)
{
        printf(
        "Usage: nl-link-list [OPTION]... [Link]\n"
        "\n"
        "Options\n"
        " -f, --format=TYPE     Output format { brief | details | stats }\n"
        " -h, --help            Show this help\n"
        " -v, --version         Show versioning information\n"
        "\n"
        "Link Options\n"
        " -n, --name=NAME       link name\n"
        " -i, --index           interface index\n"
        "     --mtu=NUM         MTU value\n"
        "     --txqlen=NUM      TX queue length\n"
        "     --weight=NUM      weight\n"
        );
        exit(0);
}

int main(int argc, char *argv[])
{
        struct nl_sock *sock;
        struct nl_cache *link_cache;
        struct rtnl_link *link;
        struct nl_dump_params params = {
                .dp_type = NL_DUMP_LINE,
                .dp_fd = stdout,
        };

        sock = nl_cli_alloc_socket();
        nl_cli_connect(sock, NETLINK_ROUTE);
        link_cache = nl_cli_link_alloc_cache(sock);
        link = nl_cli_link_alloc();

        for (;;) {
                int c, optidx = 0;
                enum {
                        ARG_FAMILY = 257,
                        ARG_MTU = 258,
                        ARG_TXQLEN,
                        ARG_WEIGHT,
                };
                static struct option long_opts[] = {
                        { "format", 1, 0, 'f' },
                        { "help", 0, 0, 'h' },
                        { "version", 0, 0, 'v' },
                        { "name", 1, 0, 'n' },
                        { "index", 1, 0, 'i' },
                        { "family", 1, 0, ARG_FAMILY },
                        { "mtu", 1, 0, ARG_MTU },
                        { "txqlen", 1, 0, ARG_TXQLEN },
                        { "weight", 1, 0, ARG_WEIGHT },
                        { 0, 0, 0, 0 }
                };

                c = getopt_long(argc, argv, "f:hvn:i:", long_opts, &optidx);
                if (c == -1)
                        break;

                switch (c) {
                case 'f': params.dp_type = nl_cli_parse_dumptype(optarg); break;
                case 'h': print_usage(); break;
                case 'v': nl_cli_print_version(); break;
                case 'n': nl_cli_link_parse_name(link, optarg); break;
                case 'i': nl_cli_link_parse_ifindex(link, optarg); break;
                case ARG_FAMILY: nl_cli_link_parse_family(link, optarg); break;
                case ARG_MTU: nl_cli_link_parse_mtu(link, optarg); break;
                case ARG_TXQLEN: nl_cli_link_parse_txqlen(link, optarg); break;
                case ARG_WEIGHT: nl_cli_link_parse_weight(link, optarg); break;
                }
        }

        nl_cache_dump_filter(link_cache, &params, OBJ_CAST(link));

        return 0;
}