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[PULL,19/21] Teach analyze-migration.py about section footers

Message ID 1434085430-29219-20-git-send-email-quintela@redhat.com
State New
Headers show

Commit Message

Juan Quintela June 12, 2015, 5:03 a.m. UTC 
From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>

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

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()