From: Christopher Faulet <cfaulet@haproxy.com>
Date: Tue, 16 Jul 2024 13:55:57 +0000 (+0200)
Subject: MINOR: stream: Add a pointer to set the parent stream
X-Git-Tag: v3.1-dev4~27
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=b020bb73a07837dde9caeb876f5c39a91e485ae1;p=thirdparty%2Fhaproxy.git

MINOR: stream: Add a pointer to set the parent stream

A pointer to a parent stream was added in the stream structure. For now,
this pointer is never set, but the idea is to have an access to a stream
environment from another one from the moment there is a parent/child
relationship betwee these streams.

Concretely, for now, there is nothing to formalize this relationship.
---

diff --git a/include/haproxy/stream-t.h b/include/haproxy/stream-t.h
index 9b8111c1e2..66ac498ce6 100644
--- a/include/haproxy/stream-t.h
+++ b/include/haproxy/stream-t.h
@@ -234,6 +234,9 @@ struct stream {
 	int conn_retries;               /* number of connect retries performed */
 	unsigned int conn_exp;          /* wake up time for connect, queue, turn-around, ... */
 	unsigned int conn_err_type;     /* first error detected, one of STRM_ET_* */
+
+	struct stream *parent;          /* Pointer to the parent stream, if any. NULL most of time */
+
 	struct list list;               /* position in the thread's streams list */
 	struct mt_list by_srv;          /* position in server stream list */
 	struct list back_refs;          /* list of users tracking this stream */
diff --git a/src/stream.c b/src/stream.c
index 7c2160b222..c78c6a10a6 100644
--- a/src/stream.c
+++ b/src/stream.c
@@ -424,7 +424,7 @@ struct stream *stream_new(struct session *sess, struct stconn *sc, struct buffer
 	s->pcli_next_pid = 0;
 	s->pcli_flags = 0;
 	s->unique_id = IST_NULL;
-
+	s->parent = NULL;
 	if ((t = task_new_here()) == NULL)
 		goto out_fail_alloc;