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8#include <stdio.h>
9#include <stdlib.h>
10#include <unistd.h>
11#include <sys/socket.h>
12#include <string.h>
13#include <errno.h>
14
15#include "version.h"
16#include "utils.h"
17#include "br_common.h"
18#include "namespace.h"
19#include "color.h"
20
21struct rtnl_handle rth = { .fd = -1 };
22int preferred_family = AF_UNSPEC;
23int oneline;
24int show_stats;
25int show_details;
26int compress_vlans;
27int json;
28int timestamp;
29static const char *batch_file;
30int force;
31
32static void usage(void) __attribute__((noreturn));
33
34static void usage(void)
35{
36 fprintf(stderr,
37"Usage: bridge [ OPTIONS ] OBJECT { COMMAND | help }\n"
38" bridge [ -force ] -batch filename\n"
39"where OBJECT := { link | fdb | mdb | mst | vlan | vni | monitor }\n"
40" OPTIONS := { -V[ersion] | -s[tatistics] | -d[etails] |\n"
41" -o[neline] | -t[imestamp] | -n[etns] name |\n"
42" -com[pressvlans] -c[olor] -p[retty] -j[son] }\n");
43 exit(-1);
44}
45
46static int do_help(int argc, char **argv)
47{
48 usage();
49}
50
51
52static const struct cmd {
53 const char *cmd;
54 int (*func)(int argc, char **argv);
55} cmds[] = {
56 { "link", do_link },
57 { "fdb", do_fdb },
58 { "mdb", do_mdb },
59 { "mst", do_mst },
60 { "vlan", do_vlan },
61 { "vni", do_vni },
62 { "monitor", do_monitor },
63 { "help", do_help },
64 { 0 }
65};
66
67static int do_cmd(const char *argv0, int argc, char **argv)
68{
69 const struct cmd *c;
70
71 for (c = cmds; c->cmd; ++c) {
72 if (matches(argv0, c->cmd) == 0)
73 return c->func(argc-1, argv+1);
74 }
75
76 fprintf(stderr,
77 "Object \"%s\" is unknown, try \"bridge help\".\n", argv0);
78 return -1;
79}
80
81static int br_batch_cmd(int argc, char *argv[], void *data)
82{
83 return do_cmd(argv[0], argc, argv);
84}
85
86static int batch(const char *name)
87{
88 int ret;
89
90 if (rtnl_open(&rth, 0) < 0) {
91 fprintf(stderr, "Cannot open rtnetlink\n");
92 return EXIT_FAILURE;
93 }
94
95 rtnl_set_strict_dump(&rth);
96
97 ret = do_batch(name, force, br_batch_cmd, NULL);
98
99 rtnl_close(&rth);
100 return ret;
101}
102
103int
104main(int argc, char **argv)
105{
106 int color = default_color_opt();
107
108 while (argc > 1) {
109 const char *opt = argv[1];
110
111 if (strcmp(opt, "--") == 0) {
112 argc--; argv++;
113 break;
114 }
115 if (opt[0] != '-')
116 break;
117 if (opt[1] == '-')
118 opt++;
119
120 if (matches(opt, "-help") == 0) {
121 usage();
122 } else if (matches(opt, "-Version") == 0) {
123 printf("bridge utility, %s\n", version);
124 exit(0);
125 } else if (matches(opt, "-stats") == 0 ||
126 matches(opt, "-statistics") == 0) {
127 ++show_stats;
128 } else if (matches(opt, "-details") == 0) {
129 ++show_details;
130 } else if (matches(opt, "-oneline") == 0) {
131 ++oneline;
132 } else if (matches(opt, "-timestamp") == 0) {
133 ++timestamp;
134 } else if (matches(opt, "-family") == 0) {
135 argc--;
136 argv++;
137 if (argc <= 1)
138 usage();
139 if (strcmp(argv[1], "inet") == 0)
140 preferred_family = AF_INET;
141 else if (strcmp(argv[1], "inet6") == 0)
142 preferred_family = AF_INET6;
143 else if (strcmp(argv[1], "help") == 0)
144 usage();
145 else
146 invarg("invalid protocol family", argv[1]);
147 } else if (strcmp(opt, "-4") == 0) {
148 preferred_family = AF_INET;
149 } else if (strcmp(opt, "-6") == 0) {
150 preferred_family = AF_INET6;
151 } else if (matches(opt, "-netns") == 0) {
152 NEXT_ARG();
153 if (netns_switch(argv[1]))
154 exit(-1);
155 } else if (matches_color(opt, &color)) {
156 } else if (matches(opt, "-compressvlans") == 0) {
157 ++compress_vlans;
158 } else if (matches(opt, "-force") == 0) {
159 ++force;
160 } else if (matches(opt, "-json") == 0) {
161 ++json;
162 } else if (matches(opt, "-pretty") == 0) {
163 ++pretty;
164 } else if (matches(opt, "-batch") == 0) {
165 argc--;
166 argv++;
167 if (argc <= 1)
168 usage();
169 batch_file = argv[1];
170 } else {
171 fprintf(stderr,
172 "Option \"%s\" is unknown, try \"bridge help\".\n",
173 opt);
174 exit(-1);
175 }
176 argc--; argv++;
177 }
178
179 _SL_ = oneline ? "\\" : "\n";
180
181 check_enable_color(color, json);
182
183 if (batch_file)
184 return batch(batch_file);
185
186 if (rtnl_open(&rth, 0) < 0)
187 exit(1);
188
189 rtnl_set_strict_dump(&rth);
190
191 if (argc > 1)
192 return do_cmd(argv[1], argc-1, argv+1);
193
194 rtnl_close(&rth);
195 usage();
196}
197
