MINOR: sample: add bc_http_major
This adds the sample fetch bc_http_major. It returns the backend connection's HTTP
version encoding, which may be 1 for HTTP/0.9 to HTTP/1.1 or 2 for HTTP/2.0. It is
based on the on-wire encoding, and not the version present in the request header.
diff --git a/src/connection.c b/src/connection.c
index 054e199..2b0063e 100644
--- a/src/connection.c
+++ b/src/connection.c
@@ -1258,7 +1258,8 @@
static int
smp_fetch_fc_http_major(const struct arg *args, struct sample *smp, const char *kw, void *private)
{
- struct connection *conn = objt_conn(smp->sess->origin);
+ struct connection *conn = (kw[0] != 'b') ? objt_conn(smp->sess->origin) :
+ smp->strm ? cs_conn(objt_cs(smp->strm->si[1].end)) : NULL;
smp->data.type = SMP_T_SINT;
smp->data.u.sint = (conn && strcmp(conn_get_mux_name(conn), "H2") == 0) ? 2 : 1;
@@ -1293,6 +1294,7 @@
*/
static struct sample_fetch_kw_list sample_fetch_keywords = {ILH, {
{ "fc_http_major", smp_fetch_fc_http_major, 0, NULL, SMP_T_SINT, SMP_USE_L4CLI },
+ { "bc_http_major", smp_fetch_fc_http_major, 0, NULL, SMP_T_SINT, SMP_USE_L4SRV },
{ "fc_rcvd_proxy", smp_fetch_fc_rcvd_proxy, 0, NULL, SMP_T_BOOL, SMP_USE_L4CLI },
{ /* END */ },
}};