commit 1fcb3c022ba05ba4830464af83e1e066ba55c41d Author: Isis Lovecruft isis@torproject.org Date: Fri Dec 5 18:55:59 2014 -0800

Include bridge stability properties from #5482.

These have not been changed. --- lib/bridgedb/bridges.py | 42 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+)

diff --git a/lib/bridgedb/bridges.py b/lib/bridgedb/bridges.py index fede979..dec5e16 100644 --- a/lib/bridgedb/bridges.py +++ b/lib/bridgedb/bridges.py @@ -22,6 +22,8 @@ from Crypto.Util import asn1 from Crypto.Util.number import bytes_to_long from Crypto.Util.number import long_to_bytes

+import bridgedb.Storage + from bridgedb import safelog from bridgedb import bridgerequest from bridgedb.crypto import removePKCS1Padding @@ -1326,3 +1328,43 @@ class Bridge(object): % (self, ' '.join(dead))) for died in dead: self.transports.remove(died) + + # Bridge Stability (`#5482 https://bugs.torproject.org`_) properties. + @property + def familiar(self): + """A bridge is "familiar" if 1/8 of all active bridges have appeared + more recently than it, or if it has been around for a Weighted Time of + eight days. + """ + with bridgedb.Storage.getDB() as db: + return db.getBridgeHistory(self.fingerprint).familiar + + @property + def wfu(self): + """Weighted Fractional Uptime""" + with bridgedb.Storage.getDB() as db: + return db.getBridgeHistory(self.fingerprint).weightedFractionalUptime + + @property + def weightedTime(self): + """Weighted Time""" + with bridgedb.Storage.getDB() as db: + return db.getBridgeHistory(self.fingerprint).weightedTime + + @property + def wmtbac(self): + """Weighted Mean Time Between Address Change""" + with bridgedb.Storage.getDB() as db: + return db.getBridgeHistory(self.fingerprint).wmtbac + + @property + def tosa(self): + """The Time On Same Address (TOSA)""" + with bridgedb.Storage.getDB() as db: + return db.getBridgeHistory(self.fingerprint).tosa + + @property + def weightedUptime(self): + """Weighted Uptime""" + with bridgedb.Storage.getDB() as db: + return db.getBridgeHistory(self.fingerprint).weightedUptime