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https://github.com/tahoe-lafs/tahoe-lafs.git
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94e051c1f0
darcs was dying trying to deal with the conflict resolution patches.
this adds a (very rough) bucketstore and storageserver.
probably needs lots of work both in api and implementation.
114 lines
4.1 KiB
Python
114 lines
4.1 KiB
Python
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import os.path
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from foolscap import Tub, Referenceable
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from twisted.application import service
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from twisted.python import log
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from allmydata.util.iputil import get_local_ip_for
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from twisted.internet import reactor
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from twisted.internet.base import BlockingResolver
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reactor.installResolver(BlockingResolver())
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from allmydata.storageserver import StorageServer
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class Client(service.MultiService, Referenceable):
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CERTFILE = "client.pem"
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AUTHKEYSFILE = "authorized_keys"
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STOREDIR = 'storage'
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def __init__(self, queen_pburl):
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service.MultiService.__init__(self)
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self.queen_pburl = queen_pburl
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if os.path.exists(self.CERTFILE):
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self.tub = Tub(certData=open(self.CERTFILE, "rb").read())
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else:
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self.tub = Tub()
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f = open(self.CERTFILE, "wb")
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f.write(self.tub.getCertData())
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f.close()
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self.nodeid = self.tub.tubID
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self.tub.setServiceParent(self)
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self.queen = None # self.queen is either None or a RemoteReference
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self.all_peers = set()
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self.connections = {}
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s = StorageServer(self.STOREDIR)
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s.setServiceParent(self)
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AUTHKEYSFILEBASE = "authorized_keys."
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for f in os.listdir("."):
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if f.startswith(AUTHKEYSFILEBASE):
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portnum = int(f[len(AUTHKEYSFILEBASE):])
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from allmydata import manhole
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m = manhole.AuthorizedKeysManhole(portnum, f)
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m.setServiceParent(self)
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log.msg("AuthorizedKeysManhole listening on %d" % portnum)
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def _setup_tub(self, local_ip):
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portnum = 0
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l = self.tub.listenOn("tcp:%d" % portnum)
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self.tub.setLocation("%s:%d" % (local_ip, l.getPortnum()))
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self.my_pburl = self.tub.registerReference(self)
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def startService(self):
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# note: this class can only be started and stopped once.
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service.MultiService.startService(self)
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d = get_local_ip_for()
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d.addCallback(self._setup_tub)
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if self.queen_pburl:
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# TODO: maybe this should wait for tub.setLocation ?
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self.connector = self.tub.connectTo(self.queen_pburl,
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self._got_queen)
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else:
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log.msg("no queen_pburl, cannot connect")
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def stopService(self):
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if self.queen_pburl:
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self.connector.stopConnecting()
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service.MultiService.stopService(self)
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def _got_queen(self, queen):
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log.msg("connected to queen")
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self.queen = queen
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queen.notifyOnDisconnect(self._lost_queen)
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queen.callRemote("hello",
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nodeid=self.nodeid, node=self, pburl=self.my_pburl)
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def _lost_queen(self):
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log.msg("lost connection to queen")
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self.queen = None
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def remote_get_service(self, name):
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return self.getServiceNamed(name)
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def remote_add_peers(self, new_peers):
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for nodeid, pburl in new_peers:
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if nodeid == self.nodeid:
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continue
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log.msg("adding peer %s" % nodeid)
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if nodeid in self.all_peers:
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log.msg("weird, I already had an entry for them")
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self.all_peers.add(nodeid)
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if nodeid not in self.connections:
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d = self.tub.getReference(pburl)
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def _got_reference(ref):
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log.msg("connected to %s" % nodeid)
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if nodeid in self.all_peers:
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self.connections[nodeid] = ref
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d.addCallback(_got_reference)
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def remote_lost_peers(self, lost_peers):
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for nodeid in lost_peers:
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log.msg("lost peer %s" % nodeid)
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if nodeid in self.all_peers:
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self.all_peers.remove(nodeid)
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else:
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log.msg("weird, I didn't have an entry for them")
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if nodeid in self.connections:
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del self.connections[nodeid]
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def get_remote_service(self, nodeid, servicename):
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if nodeid not in self.connections:
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raise IndexError("no connection to that peer")
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d = self.connections[nodeid].callRemote("get_service", name=servicename)
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return d
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