268 lines
6.2 KiB
C
Executable File
268 lines
6.2 KiB
C
Executable File
/*
|
|
* node.c TIPC node 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 <stdlib.h>
|
|
#include <string.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 "misc.h"
|
|
#include "node.h"
|
|
|
|
static int node_list_cb(const struct nlmsghdr *nlh, void *data)
|
|
{
|
|
uint32_t addr;
|
|
struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
|
|
struct nlattr *info[TIPC_NLA_MAX + 1] = {};
|
|
struct nlattr *attrs[TIPC_NLA_NODE_MAX + 1] = {};
|
|
|
|
mnl_attr_parse(nlh, sizeof(*genl), parse_attrs, info);
|
|
if (!info[TIPC_NLA_NODE])
|
|
return MNL_CB_ERROR;
|
|
|
|
mnl_attr_parse_nested(info[TIPC_NLA_NODE], parse_attrs, attrs);
|
|
if (!attrs[TIPC_NLA_NODE_ADDR])
|
|
return MNL_CB_ERROR;
|
|
|
|
addr = mnl_attr_get_u32(attrs[TIPC_NLA_NODE_ADDR]);
|
|
printf("<%u.%u.%u>: ",
|
|
tipc_zone(addr),
|
|
tipc_cluster(addr),
|
|
tipc_node(addr));
|
|
|
|
if (attrs[TIPC_NLA_NODE_UP])
|
|
printf("up\n");
|
|
else
|
|
printf("down\n");
|
|
|
|
return MNL_CB_OK;
|
|
}
|
|
|
|
static int cmd_node_list(struct nlmsghdr *nlh, const struct cmd *cmd,
|
|
struct cmdl *cmdl, void *data)
|
|
{
|
|
char buf[MNL_SOCKET_BUFFER_SIZE];
|
|
|
|
if (help_flag) {
|
|
fprintf(stderr, "Usage: %s node list\n", cmdl->argv[0]);
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (!(nlh = msg_init(buf, TIPC_NL_NODE_GET))) {
|
|
fprintf(stderr, "error, message initialisation failed\n");
|
|
return -1;
|
|
}
|
|
|
|
return msg_dumpit(nlh, node_list_cb, NULL);
|
|
}
|
|
|
|
static int cmd_node_set_addr(struct nlmsghdr *nlh, const struct cmd *cmd,
|
|
struct cmdl *cmdl, void *data)
|
|
{
|
|
char *str;
|
|
uint32_t addr;
|
|
struct nlattr *nest;
|
|
char buf[MNL_SOCKET_BUFFER_SIZE];
|
|
|
|
if (cmdl->argc != cmdl->optind + 1) {
|
|
fprintf(stderr, "Usage: %s node set address ADDRESS\n",
|
|
cmdl->argv[0]);
|
|
return -EINVAL;
|
|
}
|
|
|
|
str = shift_cmdl(cmdl);
|
|
addr = str2addr(str);
|
|
if (!addr)
|
|
return -1;
|
|
|
|
if (!(nlh = msg_init(buf, TIPC_NL_NET_SET))) {
|
|
fprintf(stderr, "error, message initialisation failed\n");
|
|
return -1;
|
|
}
|
|
|
|
nest = mnl_attr_nest_start(nlh, TIPC_NLA_NET);
|
|
mnl_attr_put_u32(nlh, TIPC_NLA_NET_ADDR, addr);
|
|
mnl_attr_nest_end(nlh, nest);
|
|
|
|
return msg_doit(nlh, NULL, NULL);
|
|
}
|
|
|
|
static int cmd_node_get_addr(struct nlmsghdr *nlh, const struct cmd *cmd,
|
|
struct cmdl *cmdl, void *data)
|
|
{
|
|
int sk;
|
|
socklen_t sz = sizeof(struct sockaddr_tipc);
|
|
struct sockaddr_tipc addr;
|
|
|
|
if (!(sk = socket(AF_TIPC, SOCK_RDM, 0))) {
|
|
fprintf(stderr, "opening TIPC socket: %s\n", strerror(errno));
|
|
return -1;
|
|
}
|
|
|
|
if (getsockname(sk, (struct sockaddr *)&addr, &sz) < 0) {
|
|
fprintf(stderr, "getting TIPC socket address: %s\n",
|
|
strerror(errno));
|
|
close(sk);
|
|
return -1;
|
|
}
|
|
close(sk);
|
|
|
|
printf("<%u.%u.%u>\n",
|
|
tipc_zone(addr.addr.id.node),
|
|
tipc_cluster(addr.addr.id.node),
|
|
tipc_node(addr.addr.id.node));
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int netid_get_cb(const struct nlmsghdr *nlh, void *data)
|
|
{
|
|
struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
|
|
struct nlattr *info[TIPC_NLA_MAX + 1] = {};
|
|
struct nlattr *attrs[TIPC_NLA_NET_MAX + 1] = {};
|
|
|
|
mnl_attr_parse(nlh, sizeof(*genl), parse_attrs, info);
|
|
if (!info[TIPC_NLA_NET])
|
|
return MNL_CB_ERROR;
|
|
|
|
mnl_attr_parse_nested(info[TIPC_NLA_NET], parse_attrs, attrs);
|
|
if (!attrs[TIPC_NLA_NET_ID])
|
|
return MNL_CB_ERROR;
|
|
|
|
printf("%u\n", mnl_attr_get_u32(attrs[TIPC_NLA_NET_ID]));
|
|
|
|
return MNL_CB_OK;
|
|
}
|
|
|
|
static int cmd_node_get_netid(struct nlmsghdr *nlh, const struct cmd *cmd,
|
|
struct cmdl *cmdl, void *data)
|
|
{
|
|
char buf[MNL_SOCKET_BUFFER_SIZE];
|
|
|
|
if (help_flag) {
|
|
(cmd->help)(cmdl);
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (!(nlh = msg_init(buf, TIPC_NL_NET_GET))) {
|
|
fprintf(stderr, "error, message initialisation failed\n");
|
|
return -1;
|
|
}
|
|
|
|
return msg_dumpit(nlh, netid_get_cb, NULL);
|
|
}
|
|
|
|
static int cmd_node_set_netid(struct nlmsghdr *nlh, const struct cmd *cmd,
|
|
struct cmdl *cmdl, void *data)
|
|
{
|
|
int netid;
|
|
char buf[MNL_SOCKET_BUFFER_SIZE];
|
|
struct nlattr *nest;
|
|
|
|
if (help_flag) {
|
|
(cmd->help)(cmdl);
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (!(nlh = msg_init(buf, TIPC_NL_NET_SET))) {
|
|
fprintf(stderr, "error, message initialisation failed\n");
|
|
return -1;
|
|
}
|
|
|
|
if (cmdl->argc != cmdl->optind + 1) {
|
|
fprintf(stderr, "Usage: %s node set netid NETID\n",
|
|
cmdl->argv[0]);
|
|
return -EINVAL;
|
|
}
|
|
netid = atoi(shift_cmdl(cmdl));
|
|
|
|
nest = mnl_attr_nest_start(nlh, TIPC_NLA_NET);
|
|
mnl_attr_put_u32(nlh, TIPC_NLA_NET_ID, netid);
|
|
mnl_attr_nest_end(nlh, nest);
|
|
|
|
return msg_doit(nlh, NULL, NULL);
|
|
}
|
|
|
|
static void cmd_node_set_help(struct cmdl *cmdl)
|
|
{
|
|
fprintf(stderr,
|
|
"Usage: %s node set PROPERTY\n\n"
|
|
"PROPERTIES\n"
|
|
" address ADDRESS - Set local address\n"
|
|
" netid NETID - Set local netid\n",
|
|
cmdl->argv[0]);
|
|
}
|
|
|
|
static int cmd_node_set(struct nlmsghdr *nlh, const struct cmd *cmd,
|
|
struct cmdl *cmdl, void *data)
|
|
{
|
|
const struct cmd cmds[] = {
|
|
{ "address", cmd_node_set_addr, NULL },
|
|
{ "netid", cmd_node_set_netid, NULL },
|
|
{ NULL }
|
|
};
|
|
|
|
return run_cmd(nlh, cmd, cmds, cmdl, NULL);
|
|
}
|
|
|
|
static void cmd_node_get_help(struct cmdl *cmdl)
|
|
{
|
|
fprintf(stderr,
|
|
"Usage: %s node get PROPERTY\n\n"
|
|
"PROPERTIES\n"
|
|
" address - Get local address\n"
|
|
" netid - Get local netid\n",
|
|
cmdl->argv[0]);
|
|
}
|
|
|
|
static int cmd_node_get(struct nlmsghdr *nlh, const struct cmd *cmd,
|
|
struct cmdl *cmdl, void *data)
|
|
{
|
|
const struct cmd cmds[] = {
|
|
{ "address", cmd_node_get_addr, NULL },
|
|
{ "netid", cmd_node_get_netid, NULL },
|
|
{ NULL }
|
|
};
|
|
|
|
return run_cmd(nlh, cmd, cmds, cmdl, NULL);
|
|
}
|
|
|
|
void cmd_node_help(struct cmdl *cmdl)
|
|
{
|
|
fprintf(stderr,
|
|
"Usage: %s node COMMAND [ARGS] ...\n\n"
|
|
"COMMANDS\n"
|
|
" list - List remote nodes\n"
|
|
" get - Get local node parameters\n"
|
|
" set - Set local node parameters\n",
|
|
cmdl->argv[0]);
|
|
}
|
|
|
|
int cmd_node(struct nlmsghdr *nlh, const struct cmd *cmd, struct cmdl *cmdl,
|
|
void *data)
|
|
{
|
|
const struct cmd cmds[] = {
|
|
{ "list", cmd_node_list, NULL },
|
|
{ "get", cmd_node_get, cmd_node_get_help },
|
|
{ "set", cmd_node_set, cmd_node_set_help },
|
|
{ NULL }
|
|
};
|
|
|
|
return run_cmd(nlh, cmd, cmds, cmdl, NULL);
|
|
}
|