commit 942c16722916b556ec2bf9b1e44c315502a47134
author Remi Tricot-Le Breton <rlebreton@haproxy.com> Wed Sep 01 15:52:15 2021 +0200
committer William Lallemand <wlallemand@haproxy.org> Wed Sep 01 22:55:54 2021 +0200
tree cfbda35173806b12ba7b348f8f5ece8eea94b569
parent 163cdeba3726f132a264e996be554243ff80ec9d

MINOR: connection: Add a connection error code sample fetch for backend side

The bc_conn_err and bc_conn_err_str sample fetches give the status of
the connection on the backend side. The error codes and error messages
are the same than the ones that can be raised by the fc_conn_err fetch.

src/connection.c

diff --git a/src/connection.c b/src/connection.c
index 09c91a5..f85cae9 100644
--- a/src/connection.c
+++ b/src/connection.c
@@ -1503,7 +1503,12 @@
 {
 	struct connection *conn;
 
-	conn = objt_conn(smp->sess->origin);
+	if (obj_type(smp->sess->origin) == OBJ_TYPE_CHECK)
+                conn = (kw[0] == 'b') ? cs_conn(__objt_check(smp->sess->origin)->cs) : NULL;
+        else
+                conn = (kw[0] != 'b') ? objt_conn(smp->sess->origin) :
+			smp->strm ? cs_conn(objt_cs(smp->strm->si[1].end)) : NULL;
+
 	if (!conn)
 		return 0;
 
@@ -1525,7 +1530,12 @@
 	struct connection *conn;
 	const char *err_code_str;
 
-	conn = objt_conn(smp->sess->origin);
+	if (obj_type(smp->sess->origin) == OBJ_TYPE_CHECK)
+                conn = (kw[0] == 'b') ? cs_conn(__objt_check(smp->sess->origin)->cs) : NULL;
+        else
+                conn = (kw[0] != 'b') ? objt_conn(smp->sess->origin) :
+			smp->strm ? cs_conn(objt_cs(smp->strm->si[1].end)) : NULL;
+
 	if (!conn)
 		return 0;
 
@@ -1560,6 +1570,8 @@
 	{ "fc_pp_unique_id", smp_fetch_fc_pp_unique_id, 0, NULL, SMP_T_STR, SMP_USE_L4CLI },
 	{ "fc_conn_err", smp_fetch_fc_conn_err, 0, NULL, SMP_T_SINT, SMP_USE_L4CLI },
 	{ "fc_conn_err_str", smp_fetch_fc_conn_err_str, 0, NULL, SMP_T_STR, SMP_USE_L4CLI },
+	{ "bc_conn_err", smp_fetch_fc_conn_err, 0, NULL, SMP_T_SINT, SMP_USE_L4SRV },
+	{ "bc_conn_err_str", smp_fetch_fc_conn_err_str, 0, NULL, SMP_T_STR, SMP_USE_L4SRV },
 	{ /* END */ },
 }};