From: Amaury Denoyelle <adenoyelle@haproxy.com>
Date: Tue, 30 Jun 2026 08:38:52 +0000 (+0200)
Subject: MINOR: hq-interop: trace HTX headers
X-Git-Url: http://git.kaiwu.me/postgresql/log/contrib/postgres_fdw/static/favicon.ico?a=commitdiff_plain;h=HEAD;p=haproxy.git

MINOR: hq-interop: trace HTX headers

Similar to the previous patch, complete HTTP/0.9 user traces by logging
received HTX headers on request (BE side) or response (FE). This is only
for debugging purpose : the final HTTP/0.9 content does not contain any
of these.
---

diff --git a/src/hq_interop.c b/src/hq_interop.c
index fc9a90ec4..50c6791d8 100644
--- a/src/hq_interop.c
+++ b/src/hq_interop.c
@@ -21,6 +21,10 @@ static void hq_trace_resp(struct ist status, uint64_t mask,
                           const struct ist trc_loc, const char *func,
                           struct qcs *qcs, struct qcc *qcc);
 
+static void hq_trace_hdr(struct ist name, struct ist value, uint64_t mask,
+                         const struct ist trc_loc, const char *func,
+                         struct qcs *qcs, struct qcc *qcc);
+
 /* HTTP/0.9 request -> HTX. */
 static ssize_t hq_interop_rcv_buf_req(struct qcs *qcs, struct buffer *b, int fin)
 {
@@ -335,6 +339,11 @@ static size_t hq_interop_snd_buf(struct qcs *qcs, struct buffer *buf,
 			count -= bsize;
 			break;
 
+		case HTX_BLK_HDR:
+			hq_trace_hdr(htx_get_blk_name(htx, blk),
+			             htx_get_blk_value(htx, blk),
+			             QMUX_EV_STRM_SEND, ist(TRC_LOC), __FUNCTION__, qcs, qcs->qcc);
+			__fallthrough;
 		case HTX_BLK_TLR:
 		case HTX_BLK_EOT:
 		default:
@@ -472,6 +481,23 @@ static void hq_trace_resp(struct ist status, uint64_t mask,
 	}
 }
 
+static void hq_trace_hdr(struct ist name, struct ist value, uint64_t mask,
+                         const struct ist trc_loc, const char *func,
+                         struct qcs *qcs, struct qcc *qcc)
+{
+	const char *line __maybe_unused;
+
+	if (TRACE_ENABLED(TRACE_LEVEL_USER, mask, qcs->qcc->conn, qcs, 0, 0)) {
+		chunk_reset(&trash);
+		line = chunk_newstr(&trash);
+		chunk_appendf(&trash, "HTTP/0.9 (%.*s: %.*s)",
+		              (uint)istlen(name), istptr(name),
+		              (uint)istlen(value), istptr(value));
+
+		_hq_trace_http(line, mask, trc_loc, func, qcs, qcc);
+	}
+}
+
 const struct qcc_app_ops hq_interop_ops = {
 	.alpn       = "hq-interop",