[PATCH 7/9] MINOR: check: Add `unique_id` field to `struct check`

[Tim Duesterhus]

The purpose of this field is the same as the one in `struct stream`.

Reviewed-by: Volker Dusch <git...@wallbash.com>
---
 include/haproxy/check-t.h | 1 +
 src/check.c               | 7 +++++++
 2 files changed, 8 insertions(+)

diff --git a/include/haproxy/check-t.h b/include/haproxy/check-t.h
index 720d2ff02..cb19a571f 100644
--- a/include/haproxy/check-t.h
+++ b/include/haproxy/check-t.h
@@ -197,6 +197,7 @@ struct check {
        const struct mux_proto_list *mux_proto; /* the mux to use for all 
outgoing connections (specified by the "proto" keyword) */
        struct list check_queue;                /* entry in the check queue. 
Not empty = in queue. */
        int via_socks4;                         /* check the connection via 
socks4 proxy */
+       struct ist unique_id;                   /* custom unique ID, same as in 
struct stream */
 };
 
 #endif /* _HAPROXY_CHECKS_T_H */
diff --git a/src/check.c b/src/check.c
index 6a29ebe57..b75a9dd57 100644
--- a/src/check.c
+++ b/src/check.c
@@ -458,6 +458,11 @@ void set_server_check_status(struct check *check, short 
status, const char *desc
                check->result = CHK_RES_UNKNOWN;        /* no result yet */
                check->desc[0] = '\0';
                check->start = now_ns;
+
+               /* Reset unique_id. */
+               pool_free(pool_head_uniqueid, istptr(check->unique_id));
+               check->unique_id = IST_NULL;
+
                return;
        }
 
@@ -1558,6 +1563,8 @@ void free_check(struct check *check)
                ha_free(&check->tcpcheck);
        }
 
+       pool_free(pool_head_uniqueid, istptr(check->unique_id));
+       check->unique_id = IST_NULL;
        ha_free(&check->pool_conn_name);
        ha_free(&check->sni);
        ha_free(&check->alpn_str);
-- 
2.53.0