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535194a1 RA |
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 | ||
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); | |
5947046d JM |
42 | |
43 | /* First try legacy Z.C.N format, then integer format */ | |
535194a1 | 44 | addr = str2addr(str); |
5947046d JM |
45 | if (!addr) |
46 | addr = atoi(str); | |
535194a1 RA |
47 | if (!addr) |
48 | return -1; | |
49 | ||
50 | if (!(nlh = msg_init(buf, TIPC_NL_PEER_REMOVE))) { | |
51 | fprintf(stderr, "error, message initialisation failed\n"); | |
52 | return -1; | |
53 | } | |
54 | ||
55 | nest = mnl_attr_nest_start(nlh, TIPC_NLA_NET); | |
56 | mnl_attr_put_u32(nlh, TIPC_NLA_NET_ADDR, addr); | |
57 | mnl_attr_nest_end(nlh, nest); | |
58 | ||
59 | return msg_doit(nlh, NULL, NULL); | |
60 | } | |
61 | ||
62 | static void cmd_peer_rm_help(struct cmdl *cmdl) | |
63 | { | |
64 | fprintf(stderr, "Usage: %s peer remove address ADDRESS\n", | |
65 | cmdl->argv[0]); | |
66 | } | |
67 | ||
68 | static int cmd_peer_rm(struct nlmsghdr *nlh, const struct cmd *cmd, | |
69 | struct cmdl *cmdl, void *data) | |
70 | { | |
71 | const struct cmd cmds[] = { | |
72 | { "address", cmd_peer_rm_addr, cmd_peer_rm_help }, | |
73 | { NULL } | |
74 | }; | |
75 | ||
76 | return run_cmd(nlh, cmd, cmds, cmdl, NULL); | |
77 | } | |
78 | ||
79 | void cmd_peer_help(struct cmdl *cmdl) | |
80 | { | |
81 | fprintf(stderr, | |
82 | "Usage: %s peer COMMAND [ARGS] ...\n\n" | |
83 | "COMMANDS\n" | |
84 | " remove - Remove an offline peer node\n", | |
85 | cmdl->argv[0]); | |
86 | } | |
87 | ||
88 | int cmd_peer(struct nlmsghdr *nlh, const struct cmd *cmd, struct cmdl *cmdl, | |
89 | void *data) | |
90 | { | |
91 | const struct cmd cmds[] = { | |
92 | { "remove", cmd_peer_rm, cmd_peer_rm_help }, | |
93 | { NULL } | |
94 | }; | |
95 | ||
96 | return run_cmd(nlh, cmd, cmds, cmdl, NULL); | |
97 | } |