static struct action_util *action_list;
#ifdef CONFIG_GACT
-int gact_ld; /* f*ckin backward compatibility */
+static int gact_ld; /* f*ckin backward compatibility */
#endif
-int tab_flush;
+static int tab_flush;
static void act_usage(void)
{
if (argc <= 0)
return -1;
- tail = tail2 = NLMSG_TAIL(n);
-
- addattr_l(n, MAX_MSG, tca_id, NULL, 0);
+ tail2 = addattr_nest(n, MAX_MSG, tca_id);
while (argc > 0) {
} else {
struct action_util *a = NULL;
- strncpy(k, *argv, sizeof(k) - 1);
+ if (!action_a2n(*argv, NULL, false))
+ strncpy(k, "gact", sizeof(k) - 1);
+ else
+ strncpy(k, *argv, sizeof(k) - 1);
eap = 0;
if (argc > 0) {
a = get_action_kind(k);
goto bad_val;
- tail = NLMSG_TAIL(n);
- addattr_l(n, MAX_MSG, ++prio, NULL, 0);
+ tail = addattr_nest(n, MAX_MSG, ++prio);
addattr_l(n, MAX_MSG, TCA_ACT_KIND, k, strlen(k) + 1);
ret = a->parse_aopt(a, &argc, &argv, TCA_ACT_OPTIONS,
addattr_l(n, MAX_MSG, TCA_ACT_COOKIE,
&act_ck, act_ck_len);
- tail->rta_len = (void *) NLMSG_TAIL(n) - (void *) tail;
+ addattr_nest_end(n, tail);
ok++;
}
}
goto bad_val;
}
- tail2->rta_len = (void *) NLMSG_TAIL(n) - (void *) tail2;
+ addattr_nest_end(n, tail2);
done:
*argc_p = argc;
return err;
if (show_stats && tb[TCA_ACT_STATS]) {
- print_string(PRINT_FP, NULL, "\tAction statistics:\n", NULL);
+ print_string(PRINT_FP, NULL, "\tAction statistics:", NULL);
+ print_string(PRINT_FP, NULL, "%s", _SL_);
open_json_object("stats");
print_tcstats2_attr(f, tb[TCA_ACT_STATS], "\t", NULL);
close_json_object();
- print_string(PRINT_FP, NULL, "\n", NULL);
+ print_string(PRINT_FP, NULL, "%s", _SL_);
}
if (tb[TCA_ACT_COOKIE]) {
int strsz = RTA_PAYLOAD(tb[TCA_ACT_COOKIE]);
char b1[strsz * 2 + 1];
- print_string(PRINT_ANY, "cookie", "\tcookie %s\n",
+ print_string(PRINT_ANY, "cookie", "\tcookie %s",
hexstring_n2a(RTA_DATA(tb[TCA_ACT_COOKIE]),
strsz, b1, sizeof(b1)));
+ print_string(PRINT_FP, NULL, "%s", _SL_);
}
return 0;
parse_rtattr_nested(tb, tot_acts, arg);
- if (tab_flush && NULL != tb[0] && NULL == tb[1])
+ if (tab_flush && tb[0] && !tb[1])
return tc_print_action_flush(f, tb[0]);
open_json_array(PRINT_JSON, "actions");
- for (i = 0; i < tot_acts; i++) {
+ for (i = 0; i <= tot_acts; i++) {
if (tb[i]) {
open_json_object(NULL);
+ print_string(PRINT_FP, NULL, "%s", _SL_);
print_uint(PRINT_ANY, "order",
- "\n\taction order %u: ", i);
+ "\taction order %u: ", i);
if (tc_print_one_action(f, tb[i]) < 0) {
print_string(PRINT_FP, NULL,
"Error printing action\n", NULL);
return 0;
}
-int print_action(const struct sockaddr_nl *who,
- struct nlmsghdr *n,
- void *arg)
+int print_action(struct nlmsghdr *n, void *arg)
{
FILE *fp = (FILE *)arg;
struct tcamsg *t = NLMSG_DATA(n);
if (tb[TCA_ROOT_COUNT])
tot_acts = RTA_DATA(tb[TCA_ROOT_COUNT]);
- fprintf(fp, "total acts %d\n", tot_acts ? *tot_acts:0);
+ open_json_object(NULL);
+ print_uint(PRINT_ANY, "total acts", "total acts %u",
+ tot_acts ? *tot_acts : 0);
+ print_string(PRINT_FP, NULL, "%s", _SL_);
+ close_json_object();
if (tb[TCA_ACT_TAB] == NULL) {
if (n->nlmsg_type != RTM_GETACTION)
fprintf(stderr, "print_action: NULL kind\n");
}
}
-
+ open_json_object(NULL);
tc_print_action(fp, tb[TCA_ACT_TAB], tot_acts ? *tot_acts:0);
+ close_json_object();
return 0;
}
argv += 1;
- tail = NLMSG_TAIL(&req.n);
- addattr_l(&req.n, MAX_MSG, TCA_ACT_TAB, NULL, 0);
+ tail = addattr_nest(&req.n, MAX_MSG, TCA_ACT_TAB);
while (argc > 0) {
if (strcmp(*argv, "action") == 0) {
goto bad_val;
}
- tail2 = NLMSG_TAIL(&req.n);
- addattr_l(&req.n, MAX_MSG, ++prio, NULL, 0);
+ tail2 = addattr_nest(&req.n, MAX_MSG, ++prio);
addattr_l(&req.n, MAX_MSG, TCA_ACT_KIND, k, strlen(k) + 1);
if (i > 0)
addattr32(&req.n, MAX_MSG, TCA_ACT_INDEX, i);
- tail2->rta_len = (void *) NLMSG_TAIL(&req.n) - (void *) tail2;
+ addattr_nest_end(&req.n, tail2);
}
- tail->rta_len = (void *) NLMSG_TAIL(&req.n) - (void *) tail;
+ addattr_nest_end(&req.n, tail);
req.n.nlmsg_seq = rth.dump = ++rth.seq;
return 1;
}
- if (cmd == RTM_GETACTION && print_action(NULL, ans, stdout) < 0) {
- fprintf(stderr, "Dump terminated\n");
- free(ans);
- return 1;
+ if (cmd == RTM_GETACTION) {
+ new_json_obj(json);
+ ret = print_action(ans, stdout);
+ if (ret < 0) {
+ fprintf(stderr, "Dump terminated\n");
+ free(ans);
+ delete_json_obj();
+ return 1;
+ }
+ delete_json_obj();
}
free(ans);
return ret;
}
+struct tc_action_req {
+ struct nlmsghdr n;
+ struct tcamsg t;
+ char buf[MAX_MSG];
+};
+
static int tc_action_modify(int cmd, unsigned int flags,
- int *argc_p, char ***argv_p)
+ int *argc_p, char ***argv_p,
+ void *buf, size_t buflen)
{
- int argc = *argc_p;
+ struct tc_action_req *req, action_req;
char **argv = *argv_p;
+ struct rtattr *tail;
+ int argc = *argc_p;
+ struct iovec iov;
int ret = 0;
- struct {
- struct nlmsghdr n;
- struct tcamsg t;
- char buf[MAX_MSG];
- } req = {
- .n.nlmsg_len = NLMSG_LENGTH(sizeof(struct tcamsg)),
- .n.nlmsg_flags = NLM_F_REQUEST | flags,
- .n.nlmsg_type = cmd,
- .t.tca_family = AF_UNSPEC,
- };
- struct rtattr *tail = NLMSG_TAIL(&req.n);
+
+ if (buf) {
+ req = buf;
+ if (buflen < sizeof (struct tc_action_req)) {
+ fprintf(stderr, "buffer is too small: %zu\n", buflen);
+ return -1;
+ }
+ } else {
+ memset(&action_req, 0, sizeof (struct tc_action_req));
+ req = &action_req;
+ }
+
+ req->n.nlmsg_len = NLMSG_LENGTH(sizeof(struct tcamsg));
+ req->n.nlmsg_flags = NLM_F_REQUEST | flags;
+ req->n.nlmsg_type = cmd;
+ req->t.tca_family = AF_UNSPEC;
+ tail = NLMSG_TAIL(&req->n);
argc -= 1;
argv += 1;
- if (parse_action(&argc, &argv, TCA_ACT_TAB, &req.n)) {
+ if (parse_action(&argc, &argv, TCA_ACT_TAB, &req->n)) {
fprintf(stderr, "Illegal \"action\"\n");
return -1;
}
- tail->rta_len = (void *) NLMSG_TAIL(&req.n) - (void *) tail;
+ tail->rta_len = (void *) NLMSG_TAIL(&req->n) - (void *) tail;
- if (rtnl_talk(&rth, &req.n, NULL) < 0) {
+ *argc_p = argc;
+ *argv_p = argv;
+
+ if (buf)
+ return 0;
+
+ iov.iov_base = &req->n;
+ iov.iov_len = req->n.nlmsg_len;
+ if (rtnl_talk_iov(&rth, &iov, 1, NULL) < 0) {
fprintf(stderr, "We have an error talking to the kernel\n");
ret = -1;
}
- *argc_p = argc;
- *argv_p = argv;
-
return ret;
}
.t.tca_family = AF_UNSPEC,
};
- tail = NLMSG_TAIL(&req.n);
- addattr_l(&req.n, MAX_MSG, TCA_ACT_TAB, NULL, 0);
+ tail = addattr_nest(&req.n, MAX_MSG, TCA_ACT_TAB);
tail2 = NLMSG_TAIL(&req.n);
strncpy(k, *argv, sizeof(k) - 1);
addattr_l(&req.n, MAX_MSG, ++prio, NULL, 0);
addattr_l(&req.n, MAX_MSG, TCA_ACT_KIND, k, strlen(k) + 1);
tail2->rta_len = (void *) NLMSG_TAIL(&req.n) - (void *) tail2;
- tail->rta_len = (void *) NLMSG_TAIL(&req.n) - (void *) tail;
+ addattr_nest_end(&req.n, tail);
tail3 = NLMSG_TAIL(&req.n);
flag_select.value |= TCA_FLAG_LARGE_DUMP_ON;
perror("Cannot send dump request");
return 1;
}
+ new_json_obj(json);
ret = rtnl_dump_filter(&rth, print_action, stdout);
+ delete_json_obj();
}
if (event == RTM_DELACTION) {
return ret;
}
-int do_action(int argc, char **argv)
+int do_action(int argc, char **argv, void *buf, size_t buflen)
{
int ret = 0;
if (matches(*argv, "add") == 0) {
ret = tc_action_modify(RTM_NEWACTION,
NLM_F_EXCL | NLM_F_CREATE,
- &argc, &argv);
+ &argc, &argv, buf, buflen);
} else if (matches(*argv, "change") == 0 ||
matches(*argv, "replace") == 0) {
ret = tc_action_modify(RTM_NEWACTION,
NLM_F_CREATE | NLM_F_REPLACE,
- &argc, &argv);
+ &argc, &argv, buf, buflen);
} else if (matches(*argv, "delete") == 0) {
argc -= 1;
argv += 1;