]>
Commit | Line | Data |
---|---|---|
f043759d RA |
1 | /* |
2 | * nametable.c TIPC nametable 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 <errno.h> | |
14 | ||
15 | #include <linux/tipc_netlink.h> | |
16 | #include <linux/tipc.h> | |
17 | #include <linux/genetlink.h> | |
18 | #include <libmnl/libmnl.h> | |
19 | ||
20 | #include "cmdl.h" | |
21 | #include "msg.h" | |
22 | #include "nametable.h" | |
23 | ||
24 | #define PORTID_STR_LEN 45 /* Four u32 and five delimiter chars */ | |
25 | ||
26 | static int nametable_show_cb(const struct nlmsghdr *nlh, void *data) | |
27 | { | |
28 | int *iteration = data; | |
29 | char port_id[PORTID_STR_LEN]; | |
30 | struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); | |
31 | struct nlattr *info[TIPC_NLA_MAX + 1] = {}; | |
32 | struct nlattr *attrs[TIPC_NLA_NAME_TABLE_MAX + 1] = {}; | |
33 | struct nlattr *publ[TIPC_NLA_PUBL_MAX + 1] = {}; | |
34 | const char *scope[] = { "", "zone", "cluster", "node" }; | |
35 | ||
36 | mnl_attr_parse(nlh, sizeof(*genl), parse_attrs, info); | |
37 | if (!info[TIPC_NLA_NAME_TABLE]) | |
38 | return MNL_CB_ERROR; | |
39 | ||
40 | mnl_attr_parse_nested(info[TIPC_NLA_NAME_TABLE], parse_attrs, attrs); | |
41 | if (!attrs[TIPC_NLA_NAME_TABLE_PUBL]) | |
42 | return MNL_CB_ERROR; | |
43 | ||
44 | mnl_attr_parse_nested(attrs[TIPC_NLA_NAME_TABLE_PUBL], parse_attrs, publ); | |
45 | if (!publ[TIPC_NLA_NAME_TABLE_PUBL]) | |
46 | return MNL_CB_ERROR; | |
47 | ||
48 | if (!*iteration) | |
49 | printf("%-10s %-10s %-10s %-26s %-10s\n", | |
50 | "Type", "Lower", "Upper", "Port Identity", | |
51 | "Publication Scope"); | |
52 | (*iteration)++; | |
53 | ||
54 | snprintf(port_id, sizeof(port_id), "<%u.%u.%u:%u>", | |
55 | tipc_zone(mnl_attr_get_u32(publ[TIPC_NLA_PUBL_NODE])), | |
56 | tipc_cluster(mnl_attr_get_u32(publ[TIPC_NLA_PUBL_NODE])), | |
57 | tipc_node(mnl_attr_get_u32(publ[TIPC_NLA_PUBL_NODE])), | |
58 | mnl_attr_get_u32(publ[TIPC_NLA_PUBL_REF])); | |
59 | ||
60 | printf("%-10u %-10u %-10u %-26s %-12u", | |
61 | mnl_attr_get_u32(publ[TIPC_NLA_PUBL_TYPE]), | |
62 | mnl_attr_get_u32(publ[TIPC_NLA_PUBL_LOWER]), | |
63 | mnl_attr_get_u32(publ[TIPC_NLA_PUBL_UPPER]), | |
64 | port_id, | |
65 | mnl_attr_get_u32(publ[TIPC_NLA_PUBL_KEY])); | |
66 | ||
67 | printf("%s\n", scope[mnl_attr_get_u32(publ[TIPC_NLA_PUBL_SCOPE])]); | |
68 | ||
69 | return MNL_CB_OK; | |
70 | } | |
71 | ||
72 | static int cmd_nametable_show(struct nlmsghdr *nlh, const struct cmd *cmd, | |
73 | struct cmdl *cmdl, void *data) | |
74 | { | |
75 | int iteration = 0; | |
76 | char buf[MNL_SOCKET_BUFFER_SIZE]; | |
77 | ||
78 | if (help_flag) { | |
79 | fprintf(stderr, "Usage: %s nametable show\n", cmdl->argv[0]); | |
80 | return -EINVAL; | |
81 | } | |
82 | ||
83 | if (!(nlh = msg_init(buf, TIPC_NL_NAME_TABLE_GET))) { | |
84 | fprintf(stderr, "error, message initialisation failed\n"); | |
85 | return -1; | |
86 | } | |
87 | ||
88 | return msg_dumpit(nlh, nametable_show_cb, &iteration); | |
89 | } | |
90 | ||
91 | void cmd_nametable_help(struct cmdl *cmdl) | |
92 | { | |
93 | fprintf(stderr, | |
94 | "Usage: %s nametable COMMAND\n\n" | |
95 | "COMMANDS\n" | |
96 | " show - Show nametable\n", | |
97 | cmdl->argv[0]); | |
98 | } | |
99 | ||
100 | int cmd_nametable(struct nlmsghdr *nlh, const struct cmd *cmd, struct cmdl *cmdl, | |
101 | void *data) | |
102 | { | |
103 | const struct cmd cmds[] = { | |
104 | { "show", cmd_nametable_show, NULL }, | |
105 | { NULL } | |
106 | }; | |
107 | ||
108 | return run_cmd(nlh, cmd, cmds, cmdl, NULL); | |
109 | } |