Linux bluetooth development
 help / color / mirror / Atom feed
From: "Jérôme Poulin" <jeromepoulin@gmail.com>
To: linux-bluetooth@vger.kernel.org
Cc: "Jérôme Poulin" <jeromepoulin@gmail.com>
Subject: [PATCH] Dump advertisement data for LE
Date: Mon, 24 Feb 2014 02:23:21 -0500	[thread overview]
Message-ID: <1393226601-18336-1-git-send-email-jeromepoulin@gmail.com> (raw)

This patch allows hcidump to dump data inside currently unknown fields, LE
devices like the RFduino will include this kind of data in every broadcast.
---
 tools/parser/hci.c | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/tools/parser/hci.c b/tools/parser/hci.c
index 17b776d..bf117ce 100644
--- a/tools/parser/hci.c
+++ b/tools/parser/hci.c
@@ -766,6 +766,7 @@ static inline void ext_inquiry_data_dump(int level, struct frame *frm,
 {
 	uint8_t len = data[0];
 	uint8_t type;
+	char *hexdump;
 	char *str;
 	int i;
 
@@ -821,6 +822,22 @@ static inline void ext_inquiry_data_dump(int level, struct frame *frm,
 		p_indent(level, frm);
 		printf("Unknown type 0x%02x with %d bytes data\n",
 							type, len);
+		str = malloc(len + 1);
+		hexdump = malloc(len*3 + 1);
+		if (str && hexdump) {
+			memcpy(str, data, len);
+			str[len + 1] = 0;
+			for (i = 0; i < len; i++) {
+				sprintf(hexdump+i*3, "%02x ",
+					(unsigned char) str[i]);
+				if (!isprint(str[i]))
+					str[i] = '.';
+			}
+			p_indent(level + 1, frm);
+			printf("data: %s| %s\n", hexdump, str);
+			free(hexdump);
+			free(str);
+		}
 		break;
 	}
 }
-- 
1.8.5.3


                 reply	other threads:[~2014-02-24  7:23 UTC|newest]

Thread overview: [no followups] expand[flat|nested]  mbox.gz  Atom feed

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1393226601-18336-1-git-send-email-jeromepoulin@gmail.com \
    --to=jeromepoulin@gmail.com \
    --cc=linux-bluetooth@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox