Richard Alpe | f9dec65 | 2016-01-05 10:57:40 +0100 | [diff] [blame] | 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); |
| 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 | |
| 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 | |
| 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 | |
| 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 | |
| 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 | } |