/* SPDX-License-Identifier: LGPL-2.1-only */

/*

 * src/idiag-socket-details.c     List socket details

 *

 *	This library is free software; you can redistribute it and/or

 *	modify it under the terms of the GNU General Public License as

 *	published by the Free Software Foundation version 2 of the License.

 *

 * Copyright (c) 2013 Sassano Systems LLC <joe@sassanosystems.com>

 */

#include <netlink/cli/utils.h>

#include <netlink/idiag/idiagnl.h>

#include <netlink/idiag/msg.h>

#include <linux/netlink.h>

static void print_usage(void)

{

	printf(

"Usage: idiag-socket-details [OPTION]\n"

"\n"

"Options\n"

"     --summary		    Show socket detail summary.\n"

"     --details             Show socket details on multiple lines.\n"

"     --stats               Show full socket statistics.\n"

" -h, --help                Show this help.\n"

" -v, --version             Show versioning information.\n"

	);

	exit(0);

}

int main(int argc, char *argv[])

{

	struct nl_sock *sock;

	struct nl_cache *idiag_cache;

	struct nl_dump_params params = {

		.dp_type = NL_DUMP_LINE,

		.dp_nl_cb = NULL,

		.dp_fd = stdout,

	};

	int err = 0;

	sock = nl_cli_alloc_socket();

	nl_cli_connect(sock, NETLINK_INET_DIAG);

	for (;;) {

		int c, optidx = 0;

		enum {

			ARG_SUMMARY = 257,

			ARG_DETAILS = 258,

			ARG_STATS = 259,

			ARG_FAMILY,

		};

		static struct option long_opts[] = {

			{ "details", 0, 0, ARG_DETAILS },

			{ "summary", 0, 0, ARG_SUMMARY },

			{ "stats", 0, 0, ARG_STATS},

			{ "help", 0, 0, 'h' },

			{ "version", 0, 0, 'v' },

			{ 0, 0, 0, 0 }

		};

		c = getopt_long(argc, argv, "hv", long_opts, &optidx);

		if (c == -1)

			break;

		switch (c) {

		case '?': exit(NLE_INVAL);

		case ARG_SUMMARY: params.dp_type = NL_DUMP_LINE; break;

		case ARG_DETAILS: params.dp_type = NL_DUMP_DETAILS; break;

		case ARG_STATS:   params.dp_type = NL_DUMP_STATS; break;

		case 'h': print_usage(); break;

		case 'v': nl_cli_print_version(); break;

		}

	}

	if ((err = idiagnl_msg_alloc_cache(sock, AF_INET, IDIAGNL_SS_ALL,

					&idiag_cache))) {

		nl_cli_fatal(err, "Unable to allocate idiag msg cache: %s",

				nl_geterror(err));

	}

	nl_cache_mngt_provide(idiag_cache);

	nl_cache_dump_filter(idiag_cache, &params, NULL);

	nl_cache_mngt_unprovide(idiag_cache);

	nl_cache_free(idiag_cache);

	nl_socket_free(sock);

	return 0;

}