stream/event: New reassembly depth event

Issue: 3512

This commit adds a stream event triggered when the stream assembly depth
is reached.

src/decode-events.c

@@ -1,4 +1,4 @@
-/* Copyright (C) 2007-2013 Open Information Security Foundation
+/* Copyright (C) 2007-2022 Open Information Security Foundation
  *
  * You can copy, redistribute or modify this Program under the terms of
  * the GNU General Public License version 2 as published by the Free
@@ -836,6 +836,10 @@ const struct DecodeEvents_ DEvents[] = {
             "stream.reassembly_overlap_different_data",
             STREAM_REASSEMBLY_OVERLAP_DIFFERENT_DATA,
     },
+    {
+            "stream.reassembly_depth_reached",
+            STREAM_REASSEMBLY_DEPTH_REACHED,
+    },
 
     { NULL, 0 },
 };

src/decode-events.h

@@ -1,4 +1,4 @@
-/* Copyright (C) 2007-2013 Open Information Security Foundation
+/* Copyright (C) 2007-2022 Open Information Security Foundation
  *
  * You can copy, redistribute or modify this Program under the terms of
  * the GNU General Public License version 2 as published by the Free
@@ -287,6 +287,7 @@ enum {
     STREAM_REASSEMBLY_NO_SEGMENT,
     STREAM_REASSEMBLY_SEQ_GAP,
     STREAM_REASSEMBLY_OVERLAP_DIFFERENT_DATA,
+    STREAM_REASSEMBLY_DEPTH_REACHED,
 
     /* should always be last! */
     DECODE_EVENT_MAX,