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

/*

 * nl-list-sockets.c	Pretty-print /proc/net/netlink

 *

 *	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>

 */

#include <netlink/cli/utils.h>

#define PROC_NETLINK "/proc/net/netlink"

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

{

	FILE *fd;

	char buf[2048], p[64];

	fd = fopen(PROC_NETLINK, "re");

	if (fd == NULL) {

		perror("fopen");

		return -1;

	}

	printf("Address            Family           PID    Groups   rmem   "

	       "wmem   CB         refcnt\n");

	while (fgets(buf, sizeof(buf), fd)) {

		unsigned long sk, cb;

		int ret, proto, pid, rmem, wmem, refcnt;

		unsigned int groups;

		ret = sscanf(buf, "%lx %d %d %08x %d %d %lx %d\n",

			     &sk, &proto, &pid, &groups, &rmem, &wmem,

			     &cb, &refcnt);

		if (ret != 8)

			continue;

		printf("0x%016lx %-16s %-6d %08x %-6d %-6d 0x%08lx %d\n",

			sk, nl_nlfamily2str(proto, p, sizeof(p)), pid,

			groups, rmem, wmem, cb, refcnt);

	}

	fclose(fd);

	return 0;

}