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mutable/servermap: add summarize_version

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This commit is contained in:
Brian Warner 2008-08-11 20:19:30 -07:00
parent 376df2eb5a
commit a15ae52122
1 changed files with 8 additions and 4 deletions
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12
src/allmydata/mutable/servermap.py
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@ -209,16 +209,20 @@ class ServerMap:
seqnums.append(0)
return max(seqnums)
def summarize_version(self, verinfo):
"""Take a versionid, return a string that describes it."""
(seqnum, root_hash, IV, segsize, datalength, k, N, prefix,
offsets_tuple) = verinfo
return "seq%d-%s" % (seqnum, base32.b2a(root_hash)[:4])
def summarize_versions(self):
"""Return a string describing which versions we know about."""
versionmap = self.make_versionmap()
bits = []
for (verinfo, shares) in versionmap.items():
(seqnum, root_hash, IV, segsize, datalength, k, N, prefix,
offsets_tuple) = verinfo
vstr = self.summarize_version(verinfo)
shnums = set([shnum for (shnum, peerid, timestamp) in shares])
bits.append("%d*seq%d-%s" %
(len(shnums), seqnum, base32.b2a(root_hash)[:4]))
bits.append("%d*%s" % (len(shnums), vstr))
return "/".join(bits)
def recoverable_versions(self):