Mailing List Archive

Fix migrate.
# HG changeset patch
# User smh22@firebug.cl.cam.ac.uk
# Node ID dab434c9349c96f8eaaef146716bd04231fa1967
# Parent c55ac1858bbce73be3be7ee436765cf25d33bdbf
Fix migrate.

Signed-off-by: Steven Hand <steven@xensource.com>

diff -r c55ac1858bbc -r dab434c9349c tools/python/xen/xend/XendCheckpoint.py
--- a/tools/python/xen/xend/XendCheckpoint.py Thu Dec 1 10:27:27 2005
+++ b/tools/python/xen/xend/XendCheckpoint.py Thu Dec 1 11:27:29 2005
@@ -40,10 +40,18 @@
raise XendError(errmsg)

def read_exact(fd, size, errmsg):
- buf = os.read(fd, size)
- if len(buf) != size:
- raise XendError(errmsg)
+ buf = ''
+ while size != 0:
+ str = os.read(fd, size)
+ if not len(str):
+ log.error("read_exact: EOF trying to read %d (buf='%s')" % \
+ (size, buf))
+ raise XendError(errmsg)
+ size = size - len(str)
+ buf = buf + str
return buf
+
+

def save(fd, dominfo, live):
write_exact(fd, SIGNATURE, "could not write guest state file: signature")
diff -r c55ac1858bbc -r dab434c9349c tools/python/xen/xend/XendDomain.py
--- a/tools/python/xen/xend/XendDomain.py Thu Dec 1 10:27:27 2005
+++ b/tools/python/xen/xend/XendDomain.py Thu Dec 1 11:27:29 2005
@@ -397,6 +397,7 @@
raise XendError("can't connect: %s" % err[1])

sock.send("receive\n")
+ sock.recv(80)
XendCheckpoint.save(sock.fileno(), dominfo, live)



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