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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* nametable.c TIPC nametable functionality.
*
* 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 "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_string(PRINT_FP, NULL, " ", "");
print_uint(PRINT_ANY, "lower", "%-10u",
mnl_attr_get_u32(publ[TIPC_NLA_PUBL_LOWER]));
print_string(PRINT_FP, NULL, " ", "");
print_uint(PRINT_ANY, "upper", "%-10u",
mnl_attr_get_u32(publ[TIPC_NLA_PUBL_UPPER]));
print_string(PRINT_FP, NULL, " ", "");
print_string(PRINT_ANY, "scope", "%-8s",
scope[mnl_attr_get_u32(publ[TIPC_NLA_PUBL_SCOPE])]);
print_string(PRINT_FP, NULL, " ", "");
print_uint(PRINT_ANY, "port", "%-10u",
mnl_attr_get_u32(publ[TIPC_NLA_PUBL_REF]));
print_string(PRINT_FP, NULL, " ", "");
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;
int rc = 0;
if (help_flag) {
fprintf(stderr, "Usage: %s nametable show\n", cmdl->argv[0]);
return -EINVAL;
}
nlh = msg_init(TIPC_NL_NAME_TABLE_GET);
if (!nlh) {
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);
}
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