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-rw-r--r--examples/nft-table-del.c36
1 files changed, 30 insertions, 6 deletions
diff --git a/examples/nft-table-del.c b/examples/nft-table-del.c
index ae7db27..334d20b 100644
--- a/examples/nft-table-del.c
+++ b/examples/nft-table-del.c
@@ -55,9 +55,10 @@ int main(int argc, char *argv[])
struct mnl_socket *nl;
char buf[MNL_SOCKET_BUFFER_SIZE];
struct nlmsghdr *nlh;
- uint32_t portid, seq, family;
+ uint32_t portid, seq, table_seq, family;
struct nft_table *t;
- int ret;
+ struct mnl_nlmsg_batch *batch;
+ int ret, batching;
if (argc != 3) {
fprintf(stderr, "%s <family> <name>\n", argv[0]);
@@ -68,14 +69,34 @@ int main(int argc, char *argv[])
if (t == NULL)
exit(EXIT_FAILURE);
+ batching = nft_batch_is_supported();
+ if (batching < 0) {
+ perror("cannot talk to nfnetlink");
+ exit(EXIT_FAILURE);
+ }
seq = time(NULL);
+ batch = mnl_nlmsg_batch_start(buf, sizeof(buf));
+
+ if (batching) {
+ nft_batch_begin(mnl_nlmsg_batch_current(batch), seq++);
+ mnl_nlmsg_batch_next(batch);
+ }
+
+ table_seq = seq;
family = nft_table_attr_get_u32(t, NFT_TABLE_ATTR_FAMILY);
- nlh = nft_table_nlmsg_build_hdr(buf, NFT_MSG_DELTABLE, family,
- NLM_F_ACK, seq);
+ nlh = nft_table_nlmsg_build_hdr(mnl_nlmsg_batch_current(batch),
+ NFT_MSG_DELTABLE, family,
+ NLM_F_ACK, seq++);
nft_table_nlmsg_build_payload(nlh, t);
+ mnl_nlmsg_batch_next(batch);
nft_table_free(t);
+ if (batching) {
+ nft_batch_end(mnl_nlmsg_batch_current(batch), seq++);
+ mnl_nlmsg_batch_next(batch);
+ }
+
nl = mnl_socket_open(NETLINK_NETFILTER);
if (nl == NULL) {
perror("mnl_socket_open");
@@ -88,14 +109,17 @@ int main(int argc, char *argv[])
}
portid = mnl_socket_get_portid(nl);
- if (mnl_socket_sendto(nl, nlh, nlh->nlmsg_len) < 0) {
+ if (mnl_socket_sendto(nl, mnl_nlmsg_batch_head(batch),
+ mnl_nlmsg_batch_size(batch)) < 0) {
perror("mnl_socket_send");
exit(EXIT_FAILURE);
}
+ mnl_nlmsg_batch_stop(batch);
+
ret = mnl_socket_recvfrom(nl, buf, sizeof(buf));
while (ret > 0) {
- ret = mnl_cb_run(buf, ret, seq, portid, NULL, NULL);
+ ret = mnl_cb_run(buf, ret, table_seq, portid, NULL, NULL);
if (ret <= 0)
break;
ret = mnl_socket_recvfrom(nl, buf, sizeof(buf));