diff options
Diffstat (limited to 'bridge/bridge.c')
| -rw-r--r-- | bridge/bridge.c | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/bridge/bridge.c b/bridge/bridge.c new file mode 100644 index 0000000..704be50 --- /dev/null +++ b/bridge/bridge.c @@ -0,0 +1,194 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Get/set/delete bridge with netlink + * + * Authors: Stephen Hemminger <shemminger@vyatta.com> + */ + +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <sys/socket.h> +#include <string.h> +#include <errno.h> + +#include "version.h" +#include "utils.h" +#include "br_common.h" +#include "namespace.h" +#include "color.h" + +struct rtnl_handle rth = { .fd = -1 }; +int preferred_family = AF_UNSPEC; +int oneline; +int show_stats; +int show_details; +static int color; +int compress_vlans; +int json; +int timestamp; +static const char *batch_file; +int force; + +static void usage(void) __attribute__((noreturn)); + +static void usage(void) +{ + fprintf(stderr, +"Usage: bridge [ OPTIONS ] OBJECT { COMMAND | help }\n" +" bridge [ -force ] -batch filename\n" +"where OBJECT := { link | fdb | mdb | vlan | monitor }\n" +" OPTIONS := { -V[ersion] | -s[tatistics] | -d[etails] |\n" +" -o[neline] | -t[imestamp] | -n[etns] name |\n" +" -c[ompressvlans] -color -p[retty] -j[son] }\n"); + exit(-1); +} + +static int do_help(int argc, char **argv) +{ + usage(); +} + + +static const struct cmd { + const char *cmd; + int (*func)(int argc, char **argv); +} cmds[] = { + { "link", do_link }, + { "fdb", do_fdb }, + { "mdb", do_mdb }, + { "vlan", do_vlan }, + { "vni", do_vni }, + { "monitor", do_monitor }, + { "help", do_help }, + { 0 } +}; + +static int do_cmd(const char *argv0, int argc, char **argv) +{ + const struct cmd *c; + + for (c = cmds; c->cmd; ++c) { + if (matches(argv0, c->cmd) == 0) + return c->func(argc-1, argv+1); + } + + fprintf(stderr, + "Object \"%s\" is unknown, try \"bridge help\".\n", argv0); + return -1; +} + +static int br_batch_cmd(int argc, char *argv[], void *data) +{ + return do_cmd(argv[0], argc, argv); +} + +static int batch(const char *name) +{ + int ret; + + if (rtnl_open(&rth, 0) < 0) { + fprintf(stderr, "Cannot open rtnetlink\n"); + return EXIT_FAILURE; + } + + rtnl_set_strict_dump(&rth); + + ret = do_batch(name, force, br_batch_cmd, NULL); + + rtnl_close(&rth); + return ret; +} + +int +main(int argc, char **argv) +{ + while (argc > 1) { + const char *opt = argv[1]; + + if (strcmp(opt, "--") == 0) { + argc--; argv++; + break; + } + if (opt[0] != '-') + break; + if (opt[1] == '-') + opt++; + + if (matches(opt, "-help") == 0) { + usage(); + } else if (matches(opt, "-Version") == 0) { + printf("bridge utility, %s\n", version); + exit(0); + } else if (matches(opt, "-stats") == 0 || + matches(opt, "-statistics") == 0) { + ++show_stats; + } else if (matches(opt, "-details") == 0) { + ++show_details; + } else if (matches(opt, "-oneline") == 0) { + ++oneline; + } else if (matches(opt, "-timestamp") == 0) { + ++timestamp; + } else if (matches(opt, "-family") == 0) { + argc--; + argv++; + if (argc <= 1) + usage(); + if (strcmp(argv[1], "inet") == 0) + preferred_family = AF_INET; + else if (strcmp(argv[1], "inet6") == 0) + preferred_family = AF_INET6; + else if (strcmp(argv[1], "help") == 0) + usage(); + else + invarg("invalid protocol family", argv[1]); + } else if (strcmp(opt, "-4") == 0) { + preferred_family = AF_INET; + } else if (strcmp(opt, "-6") == 0) { + preferred_family = AF_INET6; + } else if (matches(opt, "-netns") == 0) { + NEXT_ARG(); + if (netns_switch(argv[1])) + exit(-1); + } else if (matches_color(opt, &color)) { + } else if (matches(opt, "-compressvlans") == 0) { + ++compress_vlans; + } else if (matches(opt, "-force") == 0) { + ++force; + } else if (matches(opt, "-json") == 0) { + ++json; + } else if (matches(opt, "-pretty") == 0) { + ++pretty; + } else if (matches(opt, "-batch") == 0) { + argc--; + argv++; + if (argc <= 1) + usage(); + batch_file = argv[1]; + } else { + fprintf(stderr, + "Option \"%s\" is unknown, try \"bridge help\".\n", + opt); + exit(-1); + } + argc--; argv++; + } + + _SL_ = oneline ? "\\" : "\n"; + + check_enable_color(color, json); + + if (batch_file) + return batch(batch_file); + + if (rtnl_open(&rth, 0) < 0) + exit(1); + + rtnl_set_strict_dump(&rth); + + if (argc > 1) + return do_cmd(argv[1], argc-1, argv+1); + + rtnl_close(&rth); + usage(); +} |