MINOR: quic: Export QUIC traces code from quic_conn.c

To accelerate the compilation of quic_conn.c file, export the code in relation
with the traces from quic_conn.c to quic_trace.c.
Also add some headers (quic_trace-t.h and quic_trace.h).

Makefile

@@ -607,7 +607,8 @@ OPTIONS_OBJS += src/quic_conn.o src/mux_quic.o src/h3.o src/xprt_quic.o    \
                 src/quic_cc_newreno.o src/quic_cc_cubic.o src/qpack-tbl.o  \
                 src/qpack-dec.o src/hq_interop.o src/quic_stream.o         \
                 src/h3_stats.o src/qmux_http.o src/cfgparse-quic.o         \
-                src/cbuf.o src/quic_cc.o src/quic_cc_nocc.o
+                src/cbuf.o src/quic_cc.o src/quic_cc_nocc.o                \
+                src/quic_trace.o
 endif
 
 ifneq ($(USE_QUIC_OPENSSL_COMPAT),)

include/haproxy/quic_trace-t.h

@@ -0,0 +1,41 @@
+/*
+ * include/haproxy/quic_trace-t.h
+ * Definitions for QUIC traces internal types, constants and flags.
+ *
+ * Copyright (C) 2023
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ *
+ */
+
+#ifndef _HAPROXY_QUIC_TRACE_T_H
+#define _HAPROXY_QUIC_TRACE_T_H
+
+#include <inttypes.h>
+#include <stdlib.h>
+
+#include <haproxy/quic_tls-t.h>
+
+/* Used only for QUIC TLS key phase traces */
+struct quic_kp_trace {
+	const unsigned char *rx_sec;
+	size_t rx_seclen;
+	const struct quic_tls_kp *rx;
+	const unsigned char *tx_sec;
+	size_t tx_seclen;
+	const struct quic_tls_kp *tx;
+};
+
+/* Only for debug purpose */
+struct enc_debug_info {
+	unsigned char *payload;
+	size_t payload_len;
+	unsigned char *aad;
+	size_t aad_len;
+	uint64_t pn;
+};
+
+#endif /* _HAPROXY_QUIC_TRACE_T_H */

include/haproxy/quic_trace.h

@@ -0,0 +1,38 @@
+/*
+ * include/haproxy/quic_trace.h
+ * This file contains QUIC traces definitions.
+ *
+ * Copyright (C) 2023
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation, version 2.1
+ * exclusively.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+#ifndef _HAPROXY_QUIC_TRACE_H
+#define _HAPROXY_QUIC_TRACE_H
+
+#include <haproxy/quic_trace-t.h>
+
+/* Initializes a enc_debug_info struct (only for debug purpose) */
+static inline void enc_debug_info_init(struct enc_debug_info *edi,
+                                       unsigned char *payload, size_t payload_len,
+                                       unsigned char *aad, size_t aad_len, uint64_t pn)
+{
+	edi->payload = payload;
+	edi->payload_len = payload_len;
+	edi->aad = aad;
+	edi->aad_len = aad_len;
+	edi->pn = pn;
+}
+
+#endif /* _HAPROXY_QUIC_TRACE_H */