static int netns_exec(int argc, char **argv)
{
/* Setup the proper environment for apps that are not netns
* aware, and execute a program in that environment.
*/
const char *cmd;
if (argc < 1 && !do_all) {
fprintf(stderr, "No netns name specified\n");
return -1;
}
if ((argc < 2 && !do_all) || (argc < 1 && do_all)) {
fprintf(stderr, "No command specified\n");
return -1;
}
if (do_all)
return do_each_netns(on_netns_exec, --argv, 1);
if (netns_switch(argv[0]))
return -1;
/* ip must return the status of the child,
* but do_cmd() will add a minus to this,
* so let's add another one here to cancel it.
*/
cmd = argv[1];
return -cmd_exec(cmd, argv + 1, !!batch_mode);
}
static int on_netns(char *nsname, void *arg)
{
struct netns_func *f = arg;
if (netns_switch(nsname))
return -1;
return f->func(nsname, f->arg);
}
static int check_vport(struct netns_entry *ns, struct if_entry *entry)
{
struct nl_handle hnd;
struct ovs_header oh;
void *payload;
struct nlmsg_entry *dest;
int len;
int err = ENOMEM;
/* Be paranoid. If anything goes wrong, assume the interace is not
* a vport. It's better to present an interface as unconnected to
* the bridge when it's in fact connected, than vice versa.
*/
if (!vport_genl_id)
return 0;
if (netns_switch(ns))
return 0;
if (genl_open(&hnd))
return 0;
oh.dp_ifindex = 0;
len = nla_add_str(&oh, sizeof(oh), OVS_VPORT_ATTR_NAME, entry->if_name,
&payload);
if (!len)
goto out_hnd;
err = genl_request(&hnd, vport_genl_id, OVS_VPORT_CMD_GET,
payload, len, &dest);
if (err)
goto out_payload;
/* Keep err = 0. We're only interested whether the call succeeds or
* not, we don't care about the returned data.
*/
nlmsg_free(dest);
out_payload:
free(payload);
out_hnd:
nl_close(&hnd);
return !err;
}
int main(int argc, char **argv)
{
char *basename;
char *batch_file = NULL;
basename = strrchr(argv[0], '/');
if (basename == NULL)
basename = argv[0];
else
basename++;
while (argc > 1) {
char *opt = argv[1];
if (strcmp(opt,"--") == 0) {
argc--; argv++;
break;
}
if (opt[0] != '-')
break;
if (opt[1] == '-')
opt++;
if (matches(opt, "-loops") == 0) {
argc--;
argv++;
if (argc <= 1)
usage();
max_flush_loops = atoi(argv[1]);
} else if (matches(opt, "-family") == 0) {
argc--;
argv++;
if (argc <= 1)
usage();
if (strcmp(argv[1], "help") == 0)
usage();
else
preferred_family = read_family(argv[1]);
if (preferred_family == AF_UNSPEC)
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 (strcmp(opt, "-0") == 0) {
preferred_family = AF_PACKET;
} else if (strcmp(opt, "-I") == 0) {
preferred_family = AF_IPX;
} else if (strcmp(opt, "-D") == 0) {
preferred_family = AF_DECnet;
} else if (strcmp(opt, "-M") == 0) {
preferred_family = AF_MPLS;
} else if (strcmp(opt, "-B") == 0) {
preferred_family = AF_BRIDGE;
} else if (matches(opt, "-human") == 0 ||
matches(opt, "-human-readable") == 0) {
++human_readable;
} else if (matches(opt, "-iec") == 0) {
++use_iec;
} else if (matches(opt, "-stats") == 0 ||
matches(opt, "-statistics") == 0) {
++show_stats;
} else if (matches(opt, "-details") == 0) {
++show_details;
} else if (matches(opt, "-resolve") == 0) {
++resolve_hosts;
} else if (matches(opt, "-oneline") == 0) {
++oneline;
} else if (matches(opt, "-timestamp") == 0) {
++timestamp;
} else if (matches(opt, "-tshort") == 0) {
++timestamp;
++timestamp_short;
#if 0
} else if (matches(opt, "-numeric") == 0) {
rtnl_names_numeric++;
#endif
} else if (matches(opt, "-Version") == 0) {
printf("ip utility, iproute2-ss%s\n", SNAPSHOT);
exit(0);
} else if (matches(opt, "-force") == 0) {
++force;
} else if (matches(opt, "-batch") == 0) {
argc--;
argv++;
if (argc <= 1)
usage();
batch_file = argv[1];
} else if (matches(opt, "-rcvbuf") == 0) {
unsigned int size;
argc--;
argv++;
if (argc <= 1)
usage();
if (get_unsigned(&size, argv[1], 0)) {
fprintf(stderr, "Invalid rcvbuf size '%s'\n",
argv[1]);
exit(-1);
}
rcvbuf = size;
} else if (matches(opt, "-color") == 0) {
enable_color();
} else if (matches(opt, "-help") == 0) {
usage();
} else if (matches(opt, "-netns") == 0) {
NEXT_ARG();
if (netns_switch(argv[1]))
exit(-1);
} else if (matches(opt, "-all") == 0) {
do_all = true;
} else {
fprintf(stderr, "Option \"%s\" is unknown, try \"ip -help\".\n", opt);
exit(-1);
}
argc--; argv++;
}
_SL_ = oneline ? "\\" : "\n" ;
if (batch_file)
return batch(batch_file);
if (rtnl_open(&rth, 0) < 0)
exit(1);
if (strlen(basename) > 2)
return do_cmd(basename+2, argc, argv);
if (argc > 1)
return do_cmd(argv[1], argc-1, argv+1);
rtnl_close(&rth);
usage();
}
int main(int argc, char **argv)
{
int ret;
char *batch_file = NULL;
while (argc > 1) {
if (argv[1][0] != '-')
break;
if (matches(argv[1], "-stats") == 0 ||
matches(argv[1], "-statistics") == 0) {
++show_stats;
} else if (matches(argv[1], "-details") == 0) {
++show_details;
} else if (matches(argv[1], "-raw") == 0) {
++show_raw;
} else if (matches(argv[1], "-pretty") == 0) {
++show_pretty;
} else if (matches(argv[1], "-graph") == 0) {
show_graph = 1;
} else if (matches(argv[1], "-Version") == 0) {
printf("tc utility, iproute2-ss%s\n", SNAPSHOT);
return 0;
} else if (matches(argv[1], "-iec") == 0) {
++use_iec;
} else if (matches(argv[1], "-help") == 0) {
usage();
return 0;
} else if (matches(argv[1], "-force") == 0) {
++force;
} else if (matches(argv[1], "-batch") == 0) {
argc--; argv++;
if (argc <= 1)
usage();
batch_file = argv[1];
} else if (matches(argv[1], "-netns") == 0) {
NEXT_ARG();
if (netns_switch(argv[1]))
return -1;
} else if (matches(argv[1], "-names") == 0 ||
matches(argv[1], "-nm") == 0) {
use_names = true;
} else if (matches(argv[1], "-cf") == 0 ||
matches(argv[1], "-conf") == 0) {
NEXT_ARG();
conf_file = argv[1];
} else if (matches(argv[1], "-timestamp") == 0) {
timestamp++;
} else if (matches(argv[1], "-tshort") == 0) {
++timestamp;
++timestamp_short;
} else if (matches(argv[1], "-json") == 0) {
++json;
} else {
fprintf(stderr, "Option \"%s\" is unknown, try \"tc -help\".\n", argv[1]);
return -1;
}
argc--; argv++;
}
if (batch_file)
return batch(batch_file);
if (argc <= 1) {
usage();
return 0;
}
tc_core_init();
if (rtnl_open(&rth, 0) < 0) {
fprintf(stderr, "Cannot open rtnetlink\n");
exit(1);
}
if (use_names && cls_names_init(conf_file)) {
ret = -1;
goto Exit;
}
ret = do_cmd(argc-1, argv+1);
Exit:
rtnl_close(&rth);
if (use_names)
cls_names_uninit();
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, 0.0\n");
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(opt, "-compressvlans") == 0) {
++compress_vlans;
} else if (matches(opt, "-force") == 0) {
++force;
} 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";
if (batch_file)
return batch(batch_file);
if (rtnl_open(&rth, 0) < 0)
exit(1);
if (argc > 1)
return do_cmd(argv[1], argc-1, argv+1);
rtnl_close(&rth);
usage();
}
