From: Brian Warner Date: Sun, 27 Feb 2011 02:11:38 +0000 (-0700) Subject: immutable/upload.py: reduce use of get_serverid() X-Git-Url: https://git.rkrishnan.org/components/%22news.html/index.html?a=commitdiff_plain;h=2f63d9b522f6d95c8006cd8f9731754365b5ad81;p=tahoe-lafs%2Ftahoe-lafs.git immutable/upload.py: reduce use of get_serverid() --- diff --git a/src/allmydata/immutable/upload.py b/src/allmydata/immutable/upload.py index a41fc3b8..aee3e240 100644 --- a/src/allmydata/immutable/upload.py +++ b/src/allmydata/immutable/upload.py @@ -69,21 +69,18 @@ def pretty_print_shnum_to_servers(s): return ', '.join([ "sh%s: %s" % (k, '+'.join([idlib.shortnodeid_b2a(x) for x in v])) for k, v in s.iteritems() ]) class ServerTracker: - def __init__(self, serverid, storage_server, + def __init__(self, server, sharesize, blocksize, num_segments, num_share_hashes, storage_index, bucket_renewal_secret, bucket_cancel_secret): - precondition(isinstance(serverid, str), serverid) - precondition(len(serverid) == 20, serverid) - self.serverid = serverid - self._storageserver = storage_server # to an RIStorageServer + self._server = server self.buckets = {} # k: shareid, v: IRemoteBucketWriter self.sharesize = sharesize wbp = layout.make_write_bucket_proxy(None, sharesize, blocksize, num_segments, num_share_hashes, - EXTENSION_SIZE, serverid) + EXTENSION_SIZE, server.get_serverid()) self.wbp_class = wbp.__class__ # to create more of them self.allocated_size = wbp.get_allocated_size() self.blocksize = blocksize @@ -96,23 +93,28 @@ class ServerTracker: def __repr__(self): return ("" - % (idlib.shortnodeid_b2a(self.serverid), - si_b2a(self.storage_index)[:5])) + % (self._server.name(), si_b2a(self.storage_index)[:5])) + + def get_serverid(self): + return self._server.get_serverid() + def name(self): + return self._server.name() def query(self, sharenums): - d = self._storageserver.callRemote("allocate_buckets", - self.storage_index, - self.renew_secret, - self.cancel_secret, - sharenums, - self.allocated_size, - canary=Referenceable()) + rref = self._server.get_rref() + d = rref.callRemote("allocate_buckets", + self.storage_index, + self.renew_secret, + self.cancel_secret, + sharenums, + self.allocated_size, + canary=Referenceable()) d.addCallback(self._got_reply) return d def ask_about_existing_shares(self): - return self._storageserver.callRemote("get_buckets", - self.storage_index) + rref = self._server.get_rref() + return rref.callRemote("get_buckets", self.storage_index) def _got_reply(self, (alreadygot, buckets)): #log.msg("%s._got_reply(%s)" % (self, (alreadygot, buckets))) @@ -123,7 +125,7 @@ class ServerTracker: self.num_segments, self.num_share_hashes, EXTENSION_SIZE, - self.serverid) + self._server.get_serverid()) b[sharenum] = bp self.buckets.update(b) return (alreadygot, set(b.keys())) @@ -209,8 +211,7 @@ class Tahoe2ServerSelector(log.PrefixingLogMixin): num_share_hashes, EXTENSION_SIZE, None) allocated_size = wbp.get_allocated_size() - all_servers = [(s.get_serverid(), s.get_rref()) - for s in storage_broker.get_servers_for_psi(storage_index)] + all_servers = storage_broker.get_servers_for_psi(storage_index) if not all_servers: raise NoServersError("client gave us zero servers") @@ -219,8 +220,8 @@ class Tahoe2ServerSelector(log.PrefixingLogMixin): # field) from getting large shares (for files larger than about # 12GiB). See #439 for details. def _get_maxsize(server): - (serverid, conn) = server - v1 = conn.version["http://allmydata.org/tahoe/protocols/storage/v1"] + v0 = server.get_rref().version + v1 = v0["http://allmydata.org/tahoe/protocols/storage/v1"] return v1["maximum-immutable-share-size"] writable_servers = [server for server in all_servers if _get_maxsize(server) >= allocated_size] @@ -237,11 +238,11 @@ class Tahoe2ServerSelector(log.PrefixingLogMixin): storage_index) def _make_trackers(servers): trackers = [] - for (serverid, conn) in servers: - seed = serverid + for s in servers: + seed = s.get_lease_seed() renew = bucket_renewal_secret_hash(file_renewal_secret, seed) cancel = bucket_cancel_secret_hash(file_cancel_secret, seed) - st = ServerTracker(serverid, conn, + st = ServerTracker(s, share_size, block_size, num_segments, num_share_hashes, storage_index, @@ -268,27 +269,26 @@ class Tahoe2ServerSelector(log.PrefixingLogMixin): for tracker in readonly_trackers: assert isinstance(tracker, ServerTracker) d = tracker.ask_about_existing_shares() - d.addBoth(self._handle_existing_response, tracker.serverid) + d.addBoth(self._handle_existing_response, tracker) ds.append(d) self.num_servers_contacted += 1 self.query_count += 1 self.log("asking server %s for any existing shares" % - (idlib.shortnodeid_b2a(tracker.serverid),), - level=log.NOISY) + (tracker.name(),), level=log.NOISY) dl = defer.DeferredList(ds) dl.addCallback(lambda ign: self._loop()) return dl - def _handle_existing_response(self, res, serverid): + def _handle_existing_response(self, res, tracker): """ I handle responses to the queries sent by Tahoe2ServerSelector._existing_shares. """ + serverid = tracker.get_serverid() if isinstance(res, failure.Failure): self.log("%s got error during existing shares check: %s" - % (idlib.shortnodeid_b2a(serverid), res), - level=log.UNUSUAL) + % (tracker.name(), res), level=log.UNUSUAL) self.error_count += 1 self.bad_query_count += 1 else: @@ -296,7 +296,7 @@ class Tahoe2ServerSelector(log.PrefixingLogMixin): if buckets: self.serverids_with_shares.add(serverid) self.log("response to get_buckets() from server %s: alreadygot=%s" - % (idlib.shortnodeid_b2a(serverid), tuple(sorted(buckets))), + % (tracker.name(), tuple(sorted(buckets))), level=log.NOISY) for bucket in buckets: self.preexisting_shares.setdefault(bucket, set()).add(serverid) @@ -404,7 +404,7 @@ class Tahoe2ServerSelector(log.PrefixingLogMixin): if self._status: self._status.set_status("Contacting Servers [%s] (first query)," " %d shares left.." - % (idlib.shortnodeid_b2a(tracker.serverid), + % (tracker.name(), len(self.homeless_shares))) d = tracker.query(shares_to_ask) d.addBoth(self._got_response, tracker, shares_to_ask, @@ -425,7 +425,7 @@ class Tahoe2ServerSelector(log.PrefixingLogMixin): if self._status: self._status.set_status("Contacting Servers [%s] (second query)," " %d shares left.." - % (idlib.shortnodeid_b2a(tracker.serverid), + % (tracker.name(), len(self.homeless_shares))) d = tracker.query(shares_to_ask) d.addBoth(self._got_response, tracker, shares_to_ask, @@ -486,12 +486,12 @@ class Tahoe2ServerSelector(log.PrefixingLogMixin): else: (alreadygot, allocated) = res self.log("response to allocate_buckets() from server %s: alreadygot=%s, allocated=%s" - % (idlib.shortnodeid_b2a(tracker.serverid), + % (tracker.name(), tuple(sorted(alreadygot)), tuple(sorted(allocated))), level=log.NOISY) progress = False for s in alreadygot: - self.preexisting_shares.setdefault(s, set()).add(tracker.serverid) + self.preexisting_shares.setdefault(s, set()).add(tracker.get_serverid()) if s in self.homeless_shares: self.homeless_shares.remove(s) progress = True @@ -505,7 +505,7 @@ class Tahoe2ServerSelector(log.PrefixingLogMixin): progress = True if allocated or alreadygot: - self.serverids_with_shares.add(tracker.serverid) + self.serverids_with_shares.add(tracker.get_serverid()) not_yet_present = set(shares_to_ask) - set(alreadygot) still_homeless = not_yet_present - set(allocated) @@ -948,14 +948,14 @@ class CHKUploader: buckets.update(tracker.buckets) for shnum in tracker.buckets: self._server_trackers[shnum] = tracker - servermap.setdefault(shnum, set()).add(tracker.serverid) + servermap.setdefault(shnum, set()).add(tracker.get_serverid()) assert len(buckets) == sum([len(tracker.buckets) for tracker in upload_trackers]), \ "%s (%s) != %s (%s)" % ( len(buckets), buckets, sum([len(tracker.buckets) for tracker in upload_trackers]), - [(t.buckets, t.serverid) for t in upload_trackers] + [(t.buckets, t.get_serverid()) for t in upload_trackers] ) encoder.set_shareholders(buckets, servermap) @@ -964,7 +964,7 @@ class CHKUploader: r = self._results for shnum in self._encoder.get_shares_placed(): server_tracker = self._server_trackers[shnum] - serverid = server_tracker.serverid + serverid = server_tracker.get_serverid() r.sharemap.add(shnum, serverid) r.servermap.add(serverid, shnum) r.pushed_shares = len(self._encoder.get_shares_placed()) diff --git a/src/allmydata/test/test_upload.py b/src/allmydata/test/test_upload.py index 17c110c8..f1fefd4e 100644 --- a/src/allmydata/test/test_upload.py +++ b/src/allmydata/test/test_upload.py @@ -727,8 +727,10 @@ def is_happy_enough(servertoshnums, h, k): class FakeServerTracker: def __init__(self, serverid, buckets): - self.serverid = serverid + self._serverid = serverid self.buckets = buckets + def get_serverid(self): + return self._serverid class EncodingParameters(GridTestMixin, unittest.TestCase, SetDEPMixin, ShouldFailMixin): @@ -789,7 +791,7 @@ class EncodingParameters(GridTestMixin, unittest.TestCase, SetDEPMixin, for tracker in upload_trackers: buckets.update(tracker.buckets) for bucket in tracker.buckets: - servermap.setdefault(bucket, set()).add(tracker.serverid) + servermap.setdefault(bucket, set()).add(tracker.get_serverid()) encoder.set_shareholders(buckets, servermap) d = encoder.start() return d diff --git a/src/allmydata/util/happinessutil.py b/src/allmydata/util/happinessutil.py index 8c7d391c..33ba5673 100644 --- a/src/allmydata/util/happinessutil.py +++ b/src/allmydata/util/happinessutil.py @@ -74,7 +74,7 @@ def merge_servers(servermap, upload_trackers=None): for tracker in upload_trackers: for shnum in tracker.buckets: - servermap.setdefault(shnum, set()).add(tracker.serverid) + servermap.setdefault(shnum, set()).add(tracker.get_serverid()) return servermap def servers_of_happiness(sharemap):