[mirror_iproute2.git] / tipc / nametable.c

/*
 * nametable.c	TIPC nametable functionality.
 *
 *		This program 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; either version
 *		2 of the License, or (at your option) any later version.
 *
 * Authors:	Richard Alpe <richard.alpe@ericsson.com>
 */

#include <stdio.h>
#include <errno.h>

#include <linux/tipc_netlink.h>
#include <linux/tipc.h>
#include <linux/genetlink.h>
#include <libmnl/libmnl.h>

#include "cmdl.h"
#include "msg.h"
#include "nametable.h"
#include "misc.h"
#include "utils.h"

#define PORTID_STR_LEN 45 /* Four u32 and five delimiter chars */

static int nametable_show_cb(const struct nlmsghdr *nlh, void *data)
{
	int *iteration = data;
	struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
	struct nlattr *info[TIPC_NLA_MAX + 1] = {};
	struct nlattr *attrs[TIPC_NLA_NAME_TABLE_MAX + 1] = {};
	struct nlattr *publ[TIPC_NLA_PUBL_MAX + 1] = {};
	const char *scope[] = { "", "zone", "cluster", "node" };
	char str[33] = {0,};

	mnl_attr_parse(nlh, sizeof(*genl), parse_attrs, info);
	if (!info[TIPC_NLA_NAME_TABLE])
		return MNL_CB_ERROR;

	mnl_attr_parse_nested(info[TIPC_NLA_NAME_TABLE], parse_attrs, attrs);
	if (!attrs[TIPC_NLA_NAME_TABLE_PUBL])
		return MNL_CB_ERROR;

	mnl_attr_parse_nested(attrs[TIPC_NLA_NAME_TABLE_PUBL], parse_attrs, publ);
	if (!publ[TIPC_NLA_NAME_TABLE_PUBL])
		return MNL_CB_ERROR;

	if (!*iteration && !is_json_context())
		printf("%-10s %-10s %-10s %-8s %-10s %-33s\n",
		       "Type", "Lower", "Upper", "Scope", "Port",
		       "Node");
	(*iteration)++;

	hash2nodestr(mnl_attr_get_u32(publ[TIPC_NLA_PUBL_NODE]), str);

	open_json_object(NULL);
	print_uint(PRINT_ANY, "type", "%-10u",
			   mnl_attr_get_u32(publ[TIPC_NLA_PUBL_TYPE]));
	print_uint(PRINT_ANY, "lower", "%-10u",
			   mnl_attr_get_u32(publ[TIPC_NLA_PUBL_LOWER]));
	print_uint(PRINT_ANY, "upper", "%-10u",
			   mnl_attr_get_u32(publ[TIPC_NLA_PUBL_UPPER]));
	print_string(PRINT_ANY, "scope", "%-8s",
			     scope[mnl_attr_get_u32(publ[TIPC_NLA_PUBL_SCOPE])]);
	print_uint(PRINT_ANY, "port", "%-10u",
			   mnl_attr_get_u32(publ[TIPC_NLA_PUBL_REF]));
	print_string(PRINT_ANY, "node", "%s", str);
	print_string(PRINT_FP, NULL, "\n", "");
	close_json_object();

	return MNL_CB_OK;
}

static int cmd_nametable_show(struct nlmsghdr *nlh, const struct cmd *cmd,
			      struct cmdl *cmdl, void *data)
{
	int iteration = 0;
	char buf[MNL_SOCKET_BUFFER_SIZE];
	int rc = 0;

	if (help_flag) {
		fprintf(stderr, "Usage: %s nametable show\n", cmdl->argv[0]);
		return -EINVAL;
	}

	if (!(nlh = msg_init(buf, TIPC_NL_NAME_TABLE_GET))) {
		fprintf(stderr, "error, message initialisation failed\n");
		return -1;
	}

	new_json_obj(json);
	rc = msg_dumpit(nlh, nametable_show_cb, &iteration);
	delete_json_obj();

	return rc;
}

void cmd_nametable_help(struct cmdl *cmdl)
{
	fprintf(stderr,
		"Usage: %s nametable COMMAND\n\n"
		"COMMANDS\n"
		" show                  - Show nametable\n",
		cmdl->argv[0]);
}

int cmd_nametable(struct nlmsghdr *nlh, const struct cmd *cmd, struct cmdl *cmdl,
		  void *data)
{
	const struct cmd cmds[] = {
		{ "show",	cmd_nametable_show,	NULL },
		{ NULL }
	};

	return run_cmd(nlh, cmd, cmds, cmdl, NULL);
}
Commit	Line	Data
f043759d RA	1	/*
	2	* nametable.c TIPC nametable functionality.
	3	*
	4	* This program is free software; you can redistribute it and/or
	5	* modify it under the terms of the GNU General Public License
	6	* as published by the Free Software Foundation; either version
	7	* 2 of the License, or (at your option) any later version.
	8	*
	9	* Authors: Richard Alpe <richard.alpe@ericsson.com>
	10	*/
	11
	12	#include <stdio.h>
	13	#include <errno.h>
	14
	15	#include <linux/tipc_netlink.h>
	16	#include <linux/tipc.h>
	17	#include <linux/genetlink.h>
	18	#include <libmnl/libmnl.h>
	19
	20	#include "cmdl.h"
	21	#include "msg.h"
	22	#include "nametable.h"
5947046d	23	#include "misc.h"
1304f50a	24	#include "utils.h"
f043759d RA	25
	26	#define PORTID_STR_LEN 45 /* Four u32 and five delimiter chars */
	27
	28	static int nametable_show_cb(const struct nlmsghdr nlh, void data)
	29	{
	30	int *iteration = data;
f043759d RA	31	struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
	32	struct nlattr *info[TIPC_NLA_MAX + 1] = {};
	33	struct nlattr *attrs[TIPC_NLA_NAME_TABLE_MAX + 1] = {};
	34	struct nlattr *publ[TIPC_NLA_PUBL_MAX + 1] = {};
	35	const char *scope[] = { "", "zone", "cluster", "node" };
5947046d	36	char str[33] = {0,};
f043759d RA	37
	38	mnl_attr_parse(nlh, sizeof(*genl), parse_attrs, info);
	39	if (!info[TIPC_NLA_NAME_TABLE])
	40	return MNL_CB_ERROR;
	41
	42	mnl_attr_parse_nested(info[TIPC_NLA_NAME_TABLE], parse_attrs, attrs);
	43	if (!attrs[TIPC_NLA_NAME_TABLE_PUBL])
	44	return MNL_CB_ERROR;
	45
	46	mnl_attr_parse_nested(attrs[TIPC_NLA_NAME_TABLE_PUBL], parse_attrs, publ);
	47	if (!publ[TIPC_NLA_NAME_TABLE_PUBL])
	48	return MNL_CB_ERROR;
	49
1304f50a	50	if (!*iteration && !is_json_context())
5947046d JM	51	printf("%-10s %-10s %-10s %-8s %-10s %-33s\n",
	52	"Type", "Lower", "Upper", "Scope", "Port",
	53	"Node");
f043759d RA	54	(*iteration)++;
f043759d RA	55
5947046d JM	56	hash2nodestr(mnl_attr_get_u32(publ[TIPC_NLA_PUBL_NODE]), str);
5947046d JM	57
1304f50a HL	58	open_json_object(NULL);
	59	print_uint(PRINT_ANY, "type", "%-10u",
	60	mnl_attr_get_u32(publ[TIPC_NLA_PUBL_TYPE]));
	61	print_uint(PRINT_ANY, "lower", "%-10u",
	62	mnl_attr_get_u32(publ[TIPC_NLA_PUBL_LOWER]));
	63	print_uint(PRINT_ANY, "upper", "%-10u",
	64	mnl_attr_get_u32(publ[TIPC_NLA_PUBL_UPPER]));
	65	print_string(PRINT_ANY, "scope", "%-8s",
	66	scope[mnl_attr_get_u32(publ[TIPC_NLA_PUBL_SCOPE])]);
	67	print_uint(PRINT_ANY, "port", "%-10u",
	68	mnl_attr_get_u32(publ[TIPC_NLA_PUBL_REF]));
	69	print_string(PRINT_ANY, "node", "%s", str);
	70	print_string(PRINT_FP, NULL, "\n", "");
	71	close_json_object();
f043759d RA	72
	73	return MNL_CB_OK;
	74	}
	75
	76	static int cmd_nametable_show(struct nlmsghdr nlh, const struct cmd cmd,
	77	struct cmdl cmdl, void data)
	78	{
	79	int iteration = 0;
	80	char buf[MNL_SOCKET_BUFFER_SIZE];
1304f50a	81	int rc = 0;
f043759d RA	82
	83	if (help_flag) {
	84	fprintf(stderr, "Usage: %s nametable show\n", cmdl->argv[0]);
	85	return -EINVAL;
	86	}
	87
	88	if (!(nlh = msg_init(buf, TIPC_NL_NAME_TABLE_GET))) {
	89	fprintf(stderr, "error, message initialisation failed\n");
	90	return -1;
	91	}
	92
1304f50a HL	93	new_json_obj(json);
	94	rc = msg_dumpit(nlh, nametable_show_cb, &iteration);
	95	delete_json_obj();
	96
	97	return rc;
f043759d RA	98	}
	99
	100	void cmd_nametable_help(struct cmdl *cmdl)
	101	{
	102	fprintf(stderr,
	103	"Usage: %s nametable COMMAND\n\n"
	104	"COMMANDS\n"
	105	" show - Show nametable\n",
	106	cmdl->argv[0]);
	107	}
	108
	109	int cmd_nametable(struct nlmsghdr nlh, const struct cmd cmd, struct cmdl *cmdl,
	110	void *data)
	111	{
	112	const struct cmd cmds[] = {
	113	{ "show", cmd_nametable_show, NULL },
	114	{ NULL }
	115	};
	116
	117	return run_cmd(nlh, cmd, cmds, cmdl, NULL);
	118	}