1 /*
2 * peer.c TIPC peer 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 <stdlib.h>
14 #include <string.h>
15 #include <errno.h>
16
17 #include <linux/tipc_netlink.h>
18 #include <linux/tipc.h>
19 #include <linux/genetlink.h>
20 #include <libmnl/libmnl.h>
21
22 #include "cmdl.h"
23 #include "msg.h"
24 #include "misc.h"
25 #include "peer.h"
26
cmd_peer_rm_addr(struct nlmsghdr * nlh,const struct cmd * cmd,struct cmdl * cmdl,void * data)27 static int cmd_peer_rm_addr(struct nlmsghdr *nlh, const struct cmd *cmd,
28 struct cmdl *cmdl, void *data)
29 {
30 char *str;
31 uint32_t addr;
32 struct nlattr *nest;
33 char buf[MNL_SOCKET_BUFFER_SIZE];
34
35 if ((cmdl->argc != cmdl->optind + 1) || help_flag) {
36 fprintf(stderr, "Usage: %s peer remove address ADDRESS\n",
37 cmdl->argv[0]);
38 return -EINVAL;
39 }
40
41 str = shift_cmdl(cmdl);
42 addr = str2addr(str);
43 if (!addr)
44 return -1;
45
46 if (!(nlh = msg_init(buf, TIPC_NL_PEER_REMOVE))) {
47 fprintf(stderr, "error, message initialisation failed\n");
48 return -1;
49 }
50
51 nest = mnl_attr_nest_start(nlh, TIPC_NLA_NET);
52 mnl_attr_put_u32(nlh, TIPC_NLA_NET_ADDR, addr);
53 mnl_attr_nest_end(nlh, nest);
54
55 return msg_doit(nlh, NULL, NULL);
56 }
57
cmd_peer_rm_help(struct cmdl * cmdl)58 static void cmd_peer_rm_help(struct cmdl *cmdl)
59 {
60 fprintf(stderr, "Usage: %s peer remove address ADDRESS\n",
61 cmdl->argv[0]);
62 }
63
cmd_peer_rm(struct nlmsghdr * nlh,const struct cmd * cmd,struct cmdl * cmdl,void * data)64 static int cmd_peer_rm(struct nlmsghdr *nlh, const struct cmd *cmd,
65 struct cmdl *cmdl, void *data)
66 {
67 const struct cmd cmds[] = {
68 { "address", cmd_peer_rm_addr, cmd_peer_rm_help },
69 { NULL }
70 };
71
72 return run_cmd(nlh, cmd, cmds, cmdl, NULL);
73 }
74
cmd_peer_help(struct cmdl * cmdl)75 void cmd_peer_help(struct cmdl *cmdl)
76 {
77 fprintf(stderr,
78 "Usage: %s peer COMMAND [ARGS] ...\n\n"
79 "COMMANDS\n"
80 " remove - Remove an offline peer node\n",
81 cmdl->argv[0]);
82 }
83
cmd_peer(struct nlmsghdr * nlh,const struct cmd * cmd,struct cmdl * cmdl,void * data)84 int cmd_peer(struct nlmsghdr *nlh, const struct cmd *cmd, struct cmdl *cmdl,
85 void *data)
86 {
87 const struct cmd cmds[] = {
88 { "remove", cmd_peer_rm, cmd_peer_rm_help },
89 { NULL }
90 };
91
92 return run_cmd(nlh, cmd, cmds, cmdl, NULL);
93 }
94