From 3fd5ba0cf280b615ed06a4503015dd969240a3a5 Mon Sep 17 00:00:00 2001
From: Sebastian Reimers <hallo@studio-link.de>
Date: Wed, 7 Feb 2024 21:33:02 +0100
Subject: [PATCH] fmt/text2pcap: add re_text2pcap_trace helper

---
 include/re_fmt.h    |  3 ++-
 src/fmt/text2pcap.c | 20 ++++++++++++++++++++
 2 files changed, 22 insertions(+), 1 deletion(-)

diff --git a/include/re_fmt.h b/include/re_fmt.h
index 33580a2b8..0645e28f1 100644
--- a/include/re_fmt.h
+++ b/include/re_fmt.h
@@ -209,7 +209,8 @@ size_t utf8_byteseq(char u[4], unsigned cp);
 struct re_text2pcap {
 	bool in;
 	const struct mbuf *mb;
-	char *id;
+	const char *id;
 };
 
 int re_text2pcap(struct re_printf *pf, struct re_text2pcap *pcap);
+void re_text2pcap_trace(const char *id, bool in, const struct mbuf *mb);
diff --git a/src/fmt/text2pcap.c b/src/fmt/text2pcap.c
index f95cd8c68..249626ce3 100644
--- a/src/fmt/text2pcap.c
+++ b/src/fmt/text2pcap.c
@@ -6,6 +6,8 @@
 #include <re_types.h>
 #include <re_fmt.h>
 #include <re_mbuf.h>
+#include <re_trace.h>
+#include <re_mem.h>
 
 
 int re_text2pcap(struct re_printf *pf, struct re_text2pcap *pcap)
@@ -29,3 +31,21 @@ int re_text2pcap(struct re_printf *pf, struct re_text2pcap *pcap)
 
 	return 0;
 }
+
+
+void re_text2pcap_trace(const char *id, bool in, const struct mbuf *mb)
+{
+	struct re_text2pcap pcap = {.in = in, .mb = mb, .id = id};
+	size_t pcap_buf_sz = (mbuf_get_left(mb) * 3) + 64;
+
+	char *pcap_buf = mem_alloc(pcap_buf_sz, NULL);
+	if (!pcap_buf)
+		return;
+
+	re_snprintf(pcap_buf, pcap_buf_sz, "%H", re_text2pcap, &pcap);
+
+	re_trace_event("pcap", id, 'I', NULL, RE_TRACE_ARG_STRING_COPY, "pcap",
+		       pcap_buf);
+
+	mem_deref(pcap_buf);
+}