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debug: add mutable-slot support to 'dump-share' command

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This commit is contained in:
Brian Warner 2007-11-06 18:55:55 -07:00
parent 5739126d11
commit 0b2f62466b
1 changed files with 51 additions and 7 deletions
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58
src/allmydata/scripts/debug.py
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@ -45,6 +45,13 @@ class DumpDirnodeOptions(BasedirMixin, usage.Options):
def dump_share(config, out=sys.stdout, err=sys.stderr): def dump_share(config, out=sys.stdout, err=sys.stderr):
from allmydata import uri, storage from allmydata import uri, storage
# check the version, to see if we have a mutable or immutable share
f = open(config['filename'], "rb")
prefix = f.read(32)
f.close()
if prefix == storage.MutableShareFile.MAGIC:
return dump_mutable_share(config, out, err)
# otherwise assume it's immutable
f = storage.ShareFile(config['filename']) f = storage.ShareFile(config['filename'])
# use a ReadBucketProxy to parse the bucket and find the uri extension # use a ReadBucketProxy to parse the bucket and find the uri extension
bp = storage.ReadBucketProxy(None) bp = storage.ReadBucketProxy(None)
@ -95,17 +102,11 @@ def dump_share(config, out=sys.stdout, err=sys.stderr):
print >>out, "%19s: %s" % (k, sizes[k]) print >>out, "%19s: %s" % (k, sizes[k])
# display lease information too # display lease information too
now = time.time()
leases = list(f.iter_leases()) leases = list(f.iter_leases())
if leases: if leases:
for i,lease in enumerate(leases): for i,lease in enumerate(leases):
(owner_num, renew_secret, cancel_secret, expiration_time) = lease (owner_num, renew_secret, cancel_secret, expiration_time) = lease
remains = expiration_time - now when = format_expiration_time(expiration_time)
when = "%ds" % remains
if remains > 24*3600:
when += " (%d days)" % (remains / (24*3600))
elif remains > 3600:
when += " (%d hours)" % (remains / 3600)
print >>out, "Lease #%d: owner=%d, expire in %s" % (i, owner_num, print >>out, "Lease #%d: owner=%d, expire in %s" % (i, owner_num,
when) when)
else: else:
@ -114,6 +115,49 @@ def dump_share(config, out=sys.stdout, err=sys.stderr):
print >>out print >>out
return 0 return 0
def format_expiration_time(expiration_time):
now = time.time()
remains = expiration_time - now
when = "%ds" % remains
if remains > 24*3600:
when += " (%d days)" % (remains / (24*3600))
elif remains > 3600:
when += " (%d hours)" % (remains / 3600)
return when
def dump_mutable_share(config, out, err):
from allmydata import storage
from allmydata.util import idlib
m = storage.MutableShareFile(config['filename'])
f = open(config['filename'], "rb")
WE, nodeid = m._read_write_enabler_and_nodeid(f)
num_extra_leases = m._read_num_extra_leases(f)
data_length = m._read_data_length(f)
extra_lease_offset = m._read_extra_lease_offset(f)
leases = list(m._enumerate_leases(f))
f.close()
print >>out
print >>out, "write_enabler: %s" % idlib.b2a(WE)
print >>out, "WE for nodeid: %s" % idlib.nodeid_b2a(nodeid)
print >>out, "num_extra_leases: %d" % num_extra_leases
print >>out, "data_length: %d" % data_length
if leases:
for (leasenum, (oid,et,rs,cs,anid)) in leases:
print >>out, "Lease #%d:" % leasenum
print >>out, " ownerid: %d" % oid
when = format_expiration_time(et)
print >>out, " expires in %s" % when
print >>out, " renew_secret: %s" % idlib.b2a(rs)
print >>out, " cancel_secret: %s" % idlib.b2a(cs)
print >>out, " secrets are for nodeid: %s" % idlib.nodeid_b2a(anid)
else:
print >>out, "No leases."
print >>out
return 0
def dump_root_dirnode(config, out=sys.stdout, err=sys.stderr): def dump_root_dirnode(config, out=sys.stdout, err=sys.stderr):
from allmydata import uri from allmydata import uri