All of lore.kernel.org
 help / color / mirror / Atom feed
From: "Dr. David Alan Gilbert (git)" <dgilbert@redhat.com>
To: qemu-devel@nongnu.org
Cc: amit.shah@redhat.com, agraf@suse.de, quintela@redhat.com
Subject: [Qemu-devel] [PATCH 4/4] Teach analyze-migration.py about section footers
Date: Tue, 19 May 2015 12:29:53 +0100	[thread overview]
Message-ID: <1432034993-24431-5-git-send-email-dgilbert@redhat.com> (raw)
In-Reply-To: <1432034993-24431-1-git-send-email-dgilbert@redhat.com>

From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
---
 scripts/analyze-migration.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/scripts/analyze-migration.py b/scripts/analyze-migration.py
index 0c8b22f..f6894be 100755
--- a/scripts/analyze-migration.py
+++ b/scripts/analyze-migration.py
@@ -474,6 +474,7 @@ class MigrationDump(object):
     QEMU_VM_SECTION_FULL  = 0x04
     QEMU_VM_SUBSECTION    = 0x05
     QEMU_VM_VMDESCRIPTION = 0x06
+    QEMU_VM_SECTION_FOOTER= 0x7e
 
     def __init__(self, filename):
         self.section_classes = { ( 'ram', 0 ) : [ RamSection, None ],
@@ -526,6 +527,10 @@ class MigrationDump(object):
             elif section_type == self.QEMU_VM_SECTION_PART or section_type == self.QEMU_VM_SECTION_END:
                 section_id = file.read32()
                 self.sections[section_id].read()
+            elif section_type == self.QEMU_VM_SECTION_FOOTER:
+                read_section_id = file.read32()
+                if read_section_id != section_id:
+                    raise Exception("Mismatched section footer: %x vs %x" % (read_section_id, section_id))
             else:
                 raise Exception("Unknown section type: %d" % section_type)
         file.close()
-- 
2.4.1

  parent reply	other threads:[~2015-05-19 11:30 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-05-19 11:29 [Qemu-devel] [PATCH 0/4] Add section footers to detect corrupted migration streams Dr. David Alan Gilbert (git)
2015-05-19 11:29 ` [Qemu-devel] [PATCH 1/4] Merge section header writing Dr. David Alan Gilbert (git)
2015-05-20  8:50   ` Juan Quintela
2015-05-19 11:29 ` [Qemu-devel] [PATCH 2/4] Disable section footers on older machine types Dr. David Alan Gilbert (git)
2015-05-20  8:52   ` Juan Quintela
2015-05-20 17:02     ` Dr. David Alan Gilbert
2015-05-19 11:29 ` [Qemu-devel] [PATCH 3/4] Add a protective section footer Dr. David Alan Gilbert (git)
2015-05-20  8:53   ` Juan Quintela
2015-05-19 11:29 ` Dr. David Alan Gilbert (git) [this message]
2015-05-19 13:51 ` [Qemu-devel] [PATCH 0/4] Add section footers to detect corrupted migration streams Eric Blake
2015-05-19 14:06   ` Dr. David Alan Gilbert
2015-05-19 14:13     ` Eric Blake
2015-05-19 14:28       ` Dr. David Alan Gilbert
2015-05-19 14:40         ` Eric Blake
2015-05-20  8:58         ` Juan Quintela
2015-05-20  7:13       ` Amit Shah
2015-05-20  7:18 ` Amit Shah

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=1432034993-24431-5-git-send-email-dgilbert@redhat.com \
    --to=dgilbert@redhat.com \
    --cc=agraf@suse.de \
    --cc=amit.shah@redhat.com \
    --cc=qemu-devel@nongnu.org \
    --cc=quintela@redhat.com \
    /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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.