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 (at) 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 } 94
