From: Kevan Carstensen Date: Sun, 7 Aug 2011 00:44:14 +0000 (-0700) Subject: test/test_mutable: tests for MDMF X-Git-Tag: trac-5200~14 X-Git-Url: https://git.rkrishnan.org/pf/content/en/seg/%3C?a=commitdiff_plain;h=52e9512b492b3ee6ce41744d7af90e026c5b54ae;p=tahoe-lafs%2Ftahoe-lafs.git test/test_mutable: tests for MDMF These are their own patch because they cut across a lot of the changes I've made in implementing MDMF in such a way as to make it difficult to split them up into the other patches. --- diff --git a/src/allmydata/test/test_mutable.py b/src/allmydata/test/test_mutable.py index 907d497a..5113a5db 100644 --- a/src/allmydata/test/test_mutable.py +++ b/src/allmydata/test/test_mutable.py @@ -1,21 +1,25 @@ -import struct +import os, re, base64 from cStringIO import StringIO from twisted.trial import unittest from twisted.internet import defer, reactor +from twisted.internet.interfaces import IConsumer +from zope.interface import implements from allmydata import uri, client from allmydata.nodemaker import NodeMaker -from allmydata.util import base32 +from allmydata.util import base32, consumer, fileutil from allmydata.util.hashutil import tagged_hash, ssk_writekey_hash, \ ssk_pubkey_fingerprint_hash +from allmydata.util.deferredutil import gatherResults from allmydata.interfaces import IRepairResults, ICheckAndRepairResults, \ - NotEnoughSharesError + NotEnoughSharesError, SDMF_VERSION, MDMF_VERSION from allmydata.monitor import Monitor from allmydata.test.common import ShouldFailMixin from allmydata.test.no_network import GridTestMixin from foolscap.api import eventually, fireEventually from foolscap.logging import log from allmydata.storage_client import StorageFarmBroker +from allmydata.storage.common import storage_index_to_dir from allmydata.mutable.filenode import MutableFileNode, BackoffAgent from allmydata.mutable.common import ResponseCache, \ @@ -23,9 +27,11 @@ from allmydata.mutable.common import ResponseCache, \ NeedMoreDataError, UnrecoverableFileError, UncoordinatedWriteError, \ NotEnoughServersError, CorruptShareError from allmydata.mutable.retrieve import Retrieve -from allmydata.mutable.publish import Publish +from allmydata.mutable.publish import Publish, MutableFileHandle, \ + MutableData, \ + DEFAULT_MAX_SEGMENT_SIZE from allmydata.mutable.servermap import ServerMap, ServermapUpdater -from allmydata.mutable.layout import unpack_header, unpack_share +from allmydata.mutable.layout import unpack_header, MDMFSlotReadProxy from allmydata.mutable.repairer import MustForceRepairError import allmydata.test.common_util as testutil @@ -94,13 +100,16 @@ class FakeStorageServer: self.storage = storage self.queries = 0 def callRemote(self, methname, *args, **kwargs): + self.queries += 1 def _call(): meth = getattr(self, methname) return meth(*args, **kwargs) d = fireEventually() d.addCallback(lambda res: _call()) return d + def callRemoteOnly(self, methname, *args, **kwargs): + self.queries += 1 d = self.callRemote(methname, *args, **kwargs) d.addBoth(lambda ignore: None) pass @@ -148,9 +157,17 @@ def flip_bit(original, byte_offset): chr(ord(original[byte_offset]) ^ 0x01) + original[byte_offset+1:]) +def add_two(original, byte_offset): + # It isn't enough to simply flip the bit for the version number, + # because 1 is a valid version number. So we add two instead. + return (original[:byte_offset] + + chr(ord(original[byte_offset]) ^ 0x02) + + original[byte_offset+1:]) + def corrupt(res, s, offset, shnums_to_corrupt=None, offset_offset=0): # if shnums_to_corrupt is None, corrupt all shares. Otherwise it is a # list of shnums to corrupt. + ds = [] for peerid in s._peers: shares = s._peers[peerid] for shnum in shares: @@ -158,27 +175,43 @@ def corrupt(res, s, offset, shnums_to_corrupt=None, offset_offset=0): and shnum not in shnums_to_corrupt): continue data = shares[shnum] - (version, - seqnum, - root_hash, - IV, - k, N, segsize, datalen, - o) = unpack_header(data) - if isinstance(offset, tuple): - offset1, offset2 = offset - else: - offset1 = offset - offset2 = 0 - if offset1 == "pubkey": - real_offset = 107 - elif offset1 in o: - real_offset = o[offset1] - else: - real_offset = offset1 - real_offset = int(real_offset) + offset2 + offset_offset - assert isinstance(real_offset, int), offset - shares[shnum] = flip_bit(data, real_offset) - return res + # We're feeding the reader all of the share data, so it + # won't need to use the rref that we didn't provide, nor the + # storage index that we didn't provide. We do this because + # the reader will work for both MDMF and SDMF. + reader = MDMFSlotReadProxy(None, None, shnum, data) + # We need to get the offsets for the next part. + d = reader.get_verinfo() + def _do_corruption(verinfo, data, shnum): + (seqnum, + root_hash, + IV, + segsize, + datalen, + k, n, prefix, o) = verinfo + if isinstance(offset, tuple): + offset1, offset2 = offset + else: + offset1 = offset + offset2 = 0 + if offset1 == "pubkey" and IV: + real_offset = 107 + elif offset1 in o: + real_offset = o[offset1] + else: + real_offset = offset1 + real_offset = int(real_offset) + offset2 + offset_offset + assert isinstance(real_offset, int), offset + if offset1 == 0: # verbyte + f = add_two + else: + f = flip_bit + shares[shnum] = f(data, real_offset) + d.addCallback(_do_corruption, data, shnum) + ds.append(d) + dl = defer.DeferredList(ds) + dl.addCallback(lambda ignored: res) + return dl def make_storagebroker(s=None, num_peers=10): if not s: @@ -221,6 +254,191 @@ class Filenode(unittest.TestCase, testutil.ShouldFailMixin): self.failUnlessEqual(len(shnums), 1) d.addCallback(_created) return d + test_create.timeout = 15 + + + def test_create_mdmf(self): + d = self.nodemaker.create_mutable_file(version=MDMF_VERSION) + def _created(n): + self.failUnless(isinstance(n, MutableFileNode)) + self.failUnlessEqual(n.get_storage_index(), n._storage_index) + sb = self.nodemaker.storage_broker + peer0 = sorted(sb.get_all_serverids())[0] + shnums = self._storage._peers[peer0].keys() + self.failUnlessEqual(len(shnums), 1) + d.addCallback(_created) + return d + + def test_single_share(self): + # Make sure that we tolerate publishing a single share. + self.nodemaker.default_encoding_parameters['k'] = 1 + self.nodemaker.default_encoding_parameters['happy'] = 1 + self.nodemaker.default_encoding_parameters['n'] = 1 + d = defer.succeed(None) + for v in (SDMF_VERSION, MDMF_VERSION): + d.addCallback(lambda ignored: + self.nodemaker.create_mutable_file(version=v)) + def _created(n): + self.failUnless(isinstance(n, MutableFileNode)) + self._node = n + return n + d.addCallback(_created) + d.addCallback(lambda n: + n.overwrite(MutableData("Contents" * 50000))) + d.addCallback(lambda ignored: + self._node.download_best_version()) + d.addCallback(lambda contents: + self.failUnlessEqual(contents, "Contents" * 50000)) + return d + + def test_max_shares(self): + self.nodemaker.default_encoding_parameters['n'] = 255 + d = self.nodemaker.create_mutable_file(version=SDMF_VERSION) + def _created(n): + self.failUnless(isinstance(n, MutableFileNode)) + self.failUnlessEqual(n.get_storage_index(), n._storage_index) + sb = self.nodemaker.storage_broker + num_shares = sum([len(self._storage._peers[x].keys()) for x \ + in sb.get_all_serverids()]) + self.failUnlessEqual(num_shares, 255) + self._node = n + return n + d.addCallback(_created) + # Now we upload some contents + d.addCallback(lambda n: + n.overwrite(MutableData("contents" * 50000))) + # ...then download contents + d.addCallback(lambda ignored: + self._node.download_best_version()) + # ...and check to make sure everything went okay. + d.addCallback(lambda contents: + self.failUnlessEqual("contents" * 50000, contents)) + return d + + def test_max_shares_mdmf(self): + # Test how files behave when there are 255 shares. + self.nodemaker.default_encoding_parameters['n'] = 255 + d = self.nodemaker.create_mutable_file(version=MDMF_VERSION) + def _created(n): + self.failUnless(isinstance(n, MutableFileNode)) + self.failUnlessEqual(n.get_storage_index(), n._storage_index) + sb = self.nodemaker.storage_broker + num_shares = sum([len(self._storage._peers[x].keys()) for x \ + in sb.get_all_serverids()]) + self.failUnlessEqual(num_shares, 255) + self._node = n + return n + d.addCallback(_created) + d.addCallback(lambda n: + n.overwrite(MutableData("contents" * 50000))) + d.addCallback(lambda ignored: + self._node.download_best_version()) + d.addCallback(lambda contents: + self.failUnlessEqual(contents, "contents" * 50000)) + return d + + def test_mdmf_filenode_cap(self): + # Test that an MDMF filenode, once created, returns an MDMF URI. + d = self.nodemaker.create_mutable_file(version=MDMF_VERSION) + def _created(n): + self.failUnless(isinstance(n, MutableFileNode)) + cap = n.get_cap() + self.failUnless(isinstance(cap, uri.WritableMDMFFileURI)) + rcap = n.get_readcap() + self.failUnless(isinstance(rcap, uri.ReadonlyMDMFFileURI)) + vcap = n.get_verify_cap() + self.failUnless(isinstance(vcap, uri.MDMFVerifierURI)) + d.addCallback(_created) + return d + + + def test_create_from_mdmf_writecap(self): + # Test that the nodemaker is capable of creating an MDMF + # filenode given an MDMF cap. + d = self.nodemaker.create_mutable_file(version=MDMF_VERSION) + def _created(n): + self.failUnless(isinstance(n, MutableFileNode)) + s = n.get_uri() + self.failUnless(s.startswith("URI:MDMF")) + n2 = self.nodemaker.create_from_cap(s) + self.failUnless(isinstance(n2, MutableFileNode)) + self.failUnlessEqual(n.get_storage_index(), n2.get_storage_index()) + self.failUnlessEqual(n.get_uri(), n2.get_uri()) + d.addCallback(_created) + return d + + + def test_create_from_mdmf_writecap_with_extensions(self): + # Test that the nodemaker is capable of creating an MDMF + # filenode when given a writecap with extension parameters in + # them. + d = self.nodemaker.create_mutable_file(version=MDMF_VERSION) + def _created(n): + self.failUnless(isinstance(n, MutableFileNode)) + s = n.get_uri() + # We need to cheat a little and delete the nodemaker's + # cache, otherwise we'll get the same node instance back. + self.failUnlessIn(":3:131073", s) + n2 = self.nodemaker.create_from_cap(s) + + self.failUnlessEqual(n2.get_storage_index(), n.get_storage_index()) + self.failUnlessEqual(n.get_writekey(), n2.get_writekey()) + hints = n2._downloader_hints + self.failUnlessEqual(hints['k'], 3) + self.failUnlessEqual(hints['segsize'], 131073) + d.addCallback(_created) + return d + + + def test_create_from_mdmf_readcap(self): + d = self.nodemaker.create_mutable_file(version=MDMF_VERSION) + def _created(n): + self.failUnless(isinstance(n, MutableFileNode)) + s = n.get_readonly_uri() + n2 = self.nodemaker.create_from_cap(s) + self.failUnless(isinstance(n2, MutableFileNode)) + + # Check that it's a readonly node + self.failUnless(n2.is_readonly()) + d.addCallback(_created) + return d + + + def test_create_from_mdmf_readcap_with_extensions(self): + # We should be able to create an MDMF filenode with the + # extension parameters without it breaking. + d = self.nodemaker.create_mutable_file(version=MDMF_VERSION) + def _created(n): + self.failUnless(isinstance(n, MutableFileNode)) + s = n.get_readonly_uri() + self.failUnlessIn(":3:131073", s) + + n2 = self.nodemaker.create_from_cap(s) + self.failUnless(isinstance(n2, MutableFileNode)) + self.failUnless(n2.is_readonly()) + self.failUnlessEqual(n.get_storage_index(), n2.get_storage_index()) + hints = n2._downloader_hints + self.failUnlessEqual(hints["k"], 3) + self.failUnlessEqual(hints["segsize"], 131073) + d.addCallback(_created) + return d + + + def test_internal_version_from_cap(self): + # MutableFileNodes and MutableFileVersions have an internal + # switch that tells them whether they're dealing with an SDMF or + # MDMF mutable file when they start doing stuff. We want to make + # sure that this is set appropriately given an MDMF cap. + d = self.nodemaker.create_mutable_file(version=MDMF_VERSION) + def _created(n): + self.uri = n.get_uri() + self.failUnlessEqual(n._protocol_version, MDMF_VERSION) + + n2 = self.nodemaker.create_from_cap(self.uri) + self.failUnlessEqual(n2._protocol_version, MDMF_VERSION) + d.addCallback(_created) + return d + def test_serialize(self): n = MutableFileNode(None, None, {"k": 3, "n": 10}, None) @@ -251,18 +469,18 @@ class Filenode(unittest.TestCase, testutil.ShouldFailMixin): d.addCallback(lambda smap: smap.dump(StringIO())) d.addCallback(lambda sio: self.failUnless("3-of-10" in sio.getvalue())) - d.addCallback(lambda res: n.overwrite("contents 1")) + d.addCallback(lambda res: n.overwrite(MutableData("contents 1"))) d.addCallback(lambda res: self.failUnlessIdentical(res, None)) d.addCallback(lambda res: n.download_best_version()) d.addCallback(lambda res: self.failUnlessEqual(res, "contents 1")) d.addCallback(lambda res: n.get_size_of_best_version()) d.addCallback(lambda size: self.failUnlessEqual(size, len("contents 1"))) - d.addCallback(lambda res: n.overwrite("contents 2")) + d.addCallback(lambda res: n.overwrite(MutableData("contents 2"))) d.addCallback(lambda res: n.download_best_version()) d.addCallback(lambda res: self.failUnlessEqual(res, "contents 2")) d.addCallback(lambda res: n.get_servermap(MODE_WRITE)) - d.addCallback(lambda smap: n.upload("contents 3", smap)) + d.addCallback(lambda smap: n.upload(MutableData("contents 3"), smap)) d.addCallback(lambda res: n.download_best_version()) d.addCallback(lambda res: self.failUnlessEqual(res, "contents 3")) d.addCallback(lambda res: n.get_servermap(MODE_ANYTHING)) @@ -274,7 +492,7 @@ class Filenode(unittest.TestCase, testutil.ShouldFailMixin): # mapupdate-to-retrieve data caching (i.e. make the shares larger # than the default readsize, which is 2000 bytes). A 15kB file # will have 5kB shares. - d.addCallback(lambda res: n.overwrite("large size file" * 1000)) + d.addCallback(lambda res: n.overwrite(MutableData("large size file" * 1000))) d.addCallback(lambda res: n.download_best_version()) d.addCallback(lambda res: self.failUnlessEqual(res, "large size file" * 1000)) @@ -282,17 +500,169 @@ class Filenode(unittest.TestCase, testutil.ShouldFailMixin): d.addCallback(_created) return d + + def test_upload_and_download_mdmf(self): + d = self.nodemaker.create_mutable_file(version=MDMF_VERSION) + def _created(n): + d = defer.succeed(None) + d.addCallback(lambda ignored: + n.get_servermap(MODE_READ)) + def _then(servermap): + dumped = servermap.dump(StringIO()) + self.failUnlessIn("3-of-10", dumped.getvalue()) + d.addCallback(_then) + # Now overwrite the contents with some new contents. We want + # to make them big enough to force the file to be uploaded + # in more than one segment. + big_contents = "contents1" * 100000 # about 900 KiB + big_contents_uploadable = MutableData(big_contents) + d.addCallback(lambda ignored: + n.overwrite(big_contents_uploadable)) + d.addCallback(lambda ignored: + n.download_best_version()) + d.addCallback(lambda data: + self.failUnlessEqual(data, big_contents)) + # Overwrite the contents again with some new contents. As + # before, they need to be big enough to force multiple + # segments, so that we make the downloader deal with + # multiple segments. + bigger_contents = "contents2" * 1000000 # about 9MiB + bigger_contents_uploadable = MutableData(bigger_contents) + d.addCallback(lambda ignored: + n.overwrite(bigger_contents_uploadable)) + d.addCallback(lambda ignored: + n.download_best_version()) + d.addCallback(lambda data: + self.failUnlessEqual(data, bigger_contents)) + return d + d.addCallback(_created) + return d + + + def test_retrieve_pause(self): + # We should make sure that the retriever is able to pause + # correctly. + d = self.nodemaker.create_mutable_file(version=MDMF_VERSION) + def _created(node): + self.node = node + + return node.overwrite(MutableData("contents1" * 100000)) + d.addCallback(_created) + # Now we'll retrieve it into a pausing consumer. + d.addCallback(lambda ignored: + self.node.get_best_mutable_version()) + def _got_version(version): + self.c = PausingConsumer() + return version.read(self.c) + d.addCallback(_got_version) + d.addCallback(lambda ignored: + self.failUnlessEqual(self.c.data, "contents1" * 100000)) + return d + test_retrieve_pause.timeout = 25 + + + def test_download_from_mdmf_cap(self): + # We should be able to download an MDMF file given its cap + d = self.nodemaker.create_mutable_file(version=MDMF_VERSION) + def _created(node): + self.uri = node.get_uri() + + return node.overwrite(MutableData("contents1" * 100000)) + def _then(ignored): + node = self.nodemaker.create_from_cap(self.uri) + return node.download_best_version() + def _downloaded(data): + self.failUnlessEqual(data, "contents1" * 100000) + d.addCallback(_created) + d.addCallback(_then) + d.addCallback(_downloaded) + return d + + + def test_create_and_download_from_bare_mdmf_cap(self): + # MDMF caps have extension parameters on them by default. We + # need to make sure that they work without extension parameters. + contents = MutableData("contents" * 100000) + d = self.nodemaker.create_mutable_file(version=MDMF_VERSION, + contents=contents) + def _created(node): + uri = node.get_uri() + self._created = node + self.failUnlessIn(":3:131073", uri) + # Now strip that off the end of the uri, then try creating + # and downloading the node again. + bare_uri = uri.replace(":3:131073", "") + assert ":3:131073" not in bare_uri + + return self.nodemaker.create_from_cap(bare_uri) + d.addCallback(_created) + def _created_bare(node): + self.failUnlessEqual(node.get_writekey(), + self._created.get_writekey()) + self.failUnlessEqual(node.get_readkey(), + self._created.get_readkey()) + self.failUnlessEqual(node.get_storage_index(), + self._created.get_storage_index()) + return node.download_best_version() + d.addCallback(_created_bare) + d.addCallback(lambda data: + self.failUnlessEqual(data, "contents" * 100000)) + return d + + + def test_mdmf_write_count(self): + # Publishing an MDMF file should only cause one write for each + # share that is to be published. Otherwise, we introduce + # undesirable semantics that are a regression from SDMF + upload = MutableData("MDMF" * 100000) # about 400 KiB + d = self.nodemaker.create_mutable_file(upload, + version=MDMF_VERSION) + def _check_server_write_counts(ignored): + sb = self.nodemaker.storage_broker + for server in sb.servers.itervalues(): + self.failUnlessEqual(server.get_rref().queries, 1) + d.addCallback(_check_server_write_counts) + return d + + def test_create_with_initial_contents(self): - d = self.nodemaker.create_mutable_file("contents 1") + upload1 = MutableData("contents 1") + d = self.nodemaker.create_mutable_file(upload1) def _created(n): d = n.download_best_version() d.addCallback(lambda res: self.failUnlessEqual(res, "contents 1")) - d.addCallback(lambda res: n.overwrite("contents 2")) + upload2 = MutableData("contents 2") + d.addCallback(lambda res: n.overwrite(upload2)) d.addCallback(lambda res: n.download_best_version()) d.addCallback(lambda res: self.failUnlessEqual(res, "contents 2")) return d d.addCallback(_created) return d + test_create_with_initial_contents.timeout = 15 + + + def test_create_mdmf_with_initial_contents(self): + initial_contents = "foobarbaz" * 131072 # 900KiB + initial_contents_uploadable = MutableData(initial_contents) + d = self.nodemaker.create_mutable_file(initial_contents_uploadable, + version=MDMF_VERSION) + def _created(n): + d = n.download_best_version() + d.addCallback(lambda data: + self.failUnlessEqual(data, initial_contents)) + uploadable2 = MutableData(initial_contents + "foobarbaz") + d.addCallback(lambda ignored: + n.overwrite(uploadable2)) + d.addCallback(lambda ignored: + n.download_best_version()) + d.addCallback(lambda data: + self.failUnlessEqual(data, initial_contents + + "foobarbaz")) + return d + d.addCallback(_created) + return d + test_create_mdmf_with_initial_contents.timeout = 20 + def test_response_cache_memory_leak(self): d = self.nodemaker.create_mutable_file("contents") @@ -319,7 +689,7 @@ class Filenode(unittest.TestCase, testutil.ShouldFailMixin): key = n.get_writekey() self.failUnless(isinstance(key, str), key) self.failUnlessEqual(len(key), 16) # AES key size - return data + return MutableData(data) d = self.nodemaker.create_mutable_file(_make_contents) def _created(n): return n.download_best_version() @@ -327,11 +697,31 @@ class Filenode(unittest.TestCase, testutil.ShouldFailMixin): d.addCallback(lambda data2: self.failUnlessEqual(data2, data)) return d + + def test_create_mdmf_with_initial_contents_function(self): + data = "initial contents" * 100000 + def _make_contents(n): + self.failUnless(isinstance(n, MutableFileNode)) + key = n.get_writekey() + self.failUnless(isinstance(key, str), key) + self.failUnlessEqual(len(key), 16) + return MutableData(data) + d = self.nodemaker.create_mutable_file(_make_contents, + version=MDMF_VERSION) + d.addCallback(lambda n: + n.download_best_version()) + d.addCallback(lambda data2: + self.failUnlessEqual(data2, data)) + return d + + def test_create_with_too_large_contents(self): BIG = "a" * (self.OLD_MAX_SEGMENT_SIZE + 1) - d = self.nodemaker.create_mutable_file(BIG) + BIG_uploadable = MutableData(BIG) + d = self.nodemaker.create_mutable_file(BIG_uploadable) def _created(n): - d = n.overwrite(BIG) + other_BIG_uploadable = MutableData(BIG) + d = n.overwrite(other_BIG_uploadable) return d d.addCallback(_created) return d @@ -345,7 +735,8 @@ class Filenode(unittest.TestCase, testutil.ShouldFailMixin): def test_modify(self): def _modifier(old_contents, servermap, first_time): - return old_contents + "line2" + new_contents = old_contents + "line2" + return new_contents def _non_modifier(old_contents, servermap, first_time): return old_contents def _none_modifier(old_contents, servermap, first_time): @@ -353,14 +744,16 @@ class Filenode(unittest.TestCase, testutil.ShouldFailMixin): def _error_modifier(old_contents, servermap, first_time): raise ValueError("oops") def _toobig_modifier(old_contents, servermap, first_time): - return "b" * (self.OLD_MAX_SEGMENT_SIZE+1) + new_content = "b" * (self.OLD_MAX_SEGMENT_SIZE + 1) + return new_content calls = [] def _ucw_error_modifier(old_contents, servermap, first_time): # simulate an UncoordinatedWriteError once calls.append(1) if len(calls) <= 1: raise UncoordinatedWriteError("simulated") - return old_contents + "line3" + new_contents = old_contents + "line3" + return new_contents def _ucw_error_non_modifier(old_contents, servermap, first_time): # simulate an UncoordinatedWriteError once, and don't actually # modify the contents on subsequent invocations @@ -369,7 +762,8 @@ class Filenode(unittest.TestCase, testutil.ShouldFailMixin): raise UncoordinatedWriteError("simulated") return old_contents - d = self.nodemaker.create_mutable_file("line1") + initial_contents = "line1" + d = self.nodemaker.create_mutable_file(MutableData(initial_contents)) def _created(n): d = n.modify(_modifier) d.addCallback(lambda res: n.download_best_version()) @@ -426,6 +820,8 @@ class Filenode(unittest.TestCase, testutil.ShouldFailMixin): return d d.addCallback(_created) return d + test_modify.timeout = 15 + def test_modify_backoffer(self): def _modifier(old_contents, servermap, first_time): @@ -451,7 +847,7 @@ class Filenode(unittest.TestCase, testutil.ShouldFailMixin): giveuper._delay = 0.1 giveuper.factor = 1 - d = self.nodemaker.create_mutable_file("line1") + d = self.nodemaker.create_mutable_file(MutableData("line1")) def _created(n): d = n.modify(_modifier) d.addCallback(lambda res: n.download_best_version()) @@ -501,15 +897,15 @@ class Filenode(unittest.TestCase, testutil.ShouldFailMixin): d.addCallback(lambda smap: smap.dump(StringIO())) d.addCallback(lambda sio: self.failUnless("3-of-10" in sio.getvalue())) - d.addCallback(lambda res: n.overwrite("contents 1")) + d.addCallback(lambda res: n.overwrite(MutableData("contents 1"))) d.addCallback(lambda res: self.failUnlessIdentical(res, None)) d.addCallback(lambda res: n.download_best_version()) d.addCallback(lambda res: self.failUnlessEqual(res, "contents 1")) - d.addCallback(lambda res: n.overwrite("contents 2")) + d.addCallback(lambda res: n.overwrite(MutableData("contents 2"))) d.addCallback(lambda res: n.download_best_version()) d.addCallback(lambda res: self.failUnlessEqual(res, "contents 2")) d.addCallback(lambda res: n.get_servermap(MODE_WRITE)) - d.addCallback(lambda smap: n.upload("contents 3", smap)) + d.addCallback(lambda smap: n.upload(MutableData("contents 3"), smap)) d.addCallback(lambda res: n.download_best_version()) d.addCallback(lambda res: self.failUnlessEqual(res, "contents 3")) d.addCallback(lambda res: n.get_servermap(MODE_ANYTHING)) @@ -522,145 +918,113 @@ class Filenode(unittest.TestCase, testutil.ShouldFailMixin): return d -class MakeShares(unittest.TestCase): - def test_encrypt(self): - nm = make_nodemaker() - CONTENTS = "some initial contents" - d = nm.create_mutable_file(CONTENTS) - def _created(fn): - p = Publish(fn, nm.storage_broker, None) - p.salt = "SALT" * 4 - p.readkey = "\x00" * 16 - p.newdata = CONTENTS - p.required_shares = 3 - p.total_shares = 10 - p.setup_encoding_parameters() - return p._encrypt_and_encode() + def test_size_after_servermap_update(self): + # a mutable file node should have something to say about how big + # it is after a servermap update is performed, since this tells + # us how large the best version of that mutable file is. + d = self.nodemaker.create_mutable_file() + def _created(n): + self.n = n + return n.get_servermap(MODE_READ) d.addCallback(_created) - def _done(shares_and_shareids): - (shares, share_ids) = shares_and_shareids - self.failUnlessEqual(len(shares), 10) - for sh in shares: - self.failUnless(isinstance(sh, str)) - self.failUnlessEqual(len(sh), 7) - self.failUnlessEqual(len(share_ids), 10) - d.addCallback(_done) - return d - - def test_generate(self): - nm = make_nodemaker() - CONTENTS = "some initial contents" - d = nm.create_mutable_file(CONTENTS) - def _created(fn): - self._fn = fn - p = Publish(fn, nm.storage_broker, None) - self._p = p - p.newdata = CONTENTS - p.required_shares = 3 - p.total_shares = 10 - p.setup_encoding_parameters() - p._new_seqnum = 3 - p.salt = "SALT" * 4 - # make some fake shares - shares_and_ids = ( ["%07d" % i for i in range(10)], range(10) ) - p._privkey = fn.get_privkey() - p._encprivkey = fn.get_encprivkey() - p._pubkey = fn.get_pubkey() - return p._generate_shares(shares_and_ids) + d.addCallback(lambda ignored: + self.failUnlessEqual(self.n.get_size(), 0)) + d.addCallback(lambda ignored: + self.n.overwrite(MutableData("foobarbaz"))) + d.addCallback(lambda ignored: + self.failUnlessEqual(self.n.get_size(), 9)) + d.addCallback(lambda ignored: + self.nodemaker.create_mutable_file(MutableData("foobarbaz"))) d.addCallback(_created) - def _generated(res): - p = self._p - final_shares = p.shares - root_hash = p.root_hash - self.failUnlessEqual(len(root_hash), 32) - self.failUnless(isinstance(final_shares, dict)) - self.failUnlessEqual(len(final_shares), 10) - self.failUnlessEqual(sorted(final_shares.keys()), range(10)) - for i,sh in final_shares.items(): - self.failUnless(isinstance(sh, str)) - # feed the share through the unpacker as a sanity-check - pieces = unpack_share(sh) - (u_seqnum, u_root_hash, IV, k, N, segsize, datalen, - pubkey, signature, share_hash_chain, block_hash_tree, - share_data, enc_privkey) = pieces - self.failUnlessEqual(u_seqnum, 3) - self.failUnlessEqual(u_root_hash, root_hash) - self.failUnlessEqual(k, 3) - self.failUnlessEqual(N, 10) - self.failUnlessEqual(segsize, 21) - self.failUnlessEqual(datalen, len(CONTENTS)) - self.failUnlessEqual(pubkey, p._pubkey.serialize()) - sig_material = struct.pack(">BQ32s16s BBQQ", - 0, p._new_seqnum, root_hash, IV, - k, N, segsize, datalen) - self.failUnless(p._pubkey.verify(sig_material, signature)) - #self.failUnlessEqual(signature, p._privkey.sign(sig_material)) - self.failUnless(isinstance(share_hash_chain, dict)) - self.failUnlessEqual(len(share_hash_chain), 4) # ln2(10)++ - for shnum,share_hash in share_hash_chain.items(): - self.failUnless(isinstance(shnum, int)) - self.failUnless(isinstance(share_hash, str)) - self.failUnlessEqual(len(share_hash), 32) - self.failUnless(isinstance(block_hash_tree, list)) - self.failUnlessEqual(len(block_hash_tree), 1) # very small tree - self.failUnlessEqual(IV, "SALT"*4) - self.failUnlessEqual(len(share_data), len("%07d" % 1)) - self.failUnlessEqual(enc_privkey, self._fn.get_encprivkey()) - d.addCallback(_generated) - return d - - # TODO: when we publish to 20 peers, we should get one share per peer on 10 - # when we publish to 3 peers, we should get either 3 or 4 shares per peer - # when we publish to zero peers, we should get a NotEnoughSharesError + d.addCallback(lambda ignored: + self.failUnlessEqual(self.n.get_size(), 9)) + return d + class PublishMixin: def publish_one(self): # publish a file and create shares, which can then be manipulated # later. self.CONTENTS = "New contents go here" * 1000 + self.uploadable = MutableData(self.CONTENTS) self._storage = FakeStorage() self._nodemaker = make_nodemaker(self._storage) self._storage_broker = self._nodemaker.storage_broker - d = self._nodemaker.create_mutable_file(self.CONTENTS) + d = self._nodemaker.create_mutable_file(self.uploadable) def _created(node): self._fn = node self._fn2 = self._nodemaker.create_from_cap(node.get_uri()) d.addCallback(_created) return d - def publish_multiple(self): + def publish_mdmf(self): + # like publish_one, except that the result is guaranteed to be + # an MDMF file. + # self.CONTENTS should have more than one segment. + self.CONTENTS = "This is an MDMF file" * 100000 + self.uploadable = MutableData(self.CONTENTS) + self._storage = FakeStorage() + self._nodemaker = make_nodemaker(self._storage) + self._storage_broker = self._nodemaker.storage_broker + d = self._nodemaker.create_mutable_file(self.uploadable, version=MDMF_VERSION) + def _created(node): + self._fn = node + self._fn2 = self._nodemaker.create_from_cap(node.get_uri()) + d.addCallback(_created) + return d + + + def publish_sdmf(self): + # like publish_one, except that the result is guaranteed to be + # an SDMF file + self.CONTENTS = "This is an SDMF file" * 1000 + self.uploadable = MutableData(self.CONTENTS) + self._storage = FakeStorage() + self._nodemaker = make_nodemaker(self._storage) + self._storage_broker = self._nodemaker.storage_broker + d = self._nodemaker.create_mutable_file(self.uploadable, version=SDMF_VERSION) + def _created(node): + self._fn = node + self._fn2 = self._nodemaker.create_from_cap(node.get_uri()) + d.addCallback(_created) + return d + + + def publish_multiple(self, version=0): self.CONTENTS = ["Contents 0", "Contents 1", "Contents 2", "Contents 3a", "Contents 3b"] + self.uploadables = [MutableData(d) for d in self.CONTENTS] self._copied_shares = {} self._storage = FakeStorage() self._nodemaker = make_nodemaker(self._storage) - d = self._nodemaker.create_mutable_file(self.CONTENTS[0]) # seqnum=1 + d = self._nodemaker.create_mutable_file(self.uploadables[0], version=version) # seqnum=1 def _created(node): self._fn = node # now create multiple versions of the same file, and accumulate # their shares, so we can mix and match them later. d = defer.succeed(None) d.addCallback(self._copy_shares, 0) - d.addCallback(lambda res: node.overwrite(self.CONTENTS[1])) #s2 + d.addCallback(lambda res: node.overwrite(self.uploadables[1])) #s2 d.addCallback(self._copy_shares, 1) - d.addCallback(lambda res: node.overwrite(self.CONTENTS[2])) #s3 + d.addCallback(lambda res: node.overwrite(self.uploadables[2])) #s3 d.addCallback(self._copy_shares, 2) - d.addCallback(lambda res: node.overwrite(self.CONTENTS[3])) #s4a + d.addCallback(lambda res: node.overwrite(self.uploadables[3])) #s4a d.addCallback(self._copy_shares, 3) # now we replace all the shares with version s3, and upload a new # version to get s4b. rollback = dict([(i,2) for i in range(10)]) d.addCallback(lambda res: self._set_versions(rollback)) - d.addCallback(lambda res: node.overwrite(self.CONTENTS[4])) #s4b + d.addCallback(lambda res: node.overwrite(self.uploadables[4])) #s4b d.addCallback(self._copy_shares, 4) # we leave the storage in state 4 return d d.addCallback(_created) return d + def _copy_shares(self, ignored, index): shares = self._storage._peers # we need a deep copy @@ -683,18 +1047,42 @@ class PublishMixin: index = versionmap[shnum] shares[peerid][shnum] = oldshares[index][peerid][shnum] +class PausingConsumer: + implements(IConsumer) + def __init__(self): + self.data = "" + self.already_paused = False + + def registerProducer(self, producer, streaming): + self.producer = producer + self.producer.resumeProducing() + + def unregisterProducer(self): + self.producer = None + + def _unpause(self, ignored): + self.producer.resumeProducing() + + def write(self, data): + self.data += data + if not self.already_paused: + self.producer.pauseProducing() + self.already_paused = True + reactor.callLater(15, self._unpause, None) + class Servermap(unittest.TestCase, PublishMixin): def setUp(self): return self.publish_one() - def make_servermap(self, mode=MODE_CHECK, fn=None, sb=None): + def make_servermap(self, mode=MODE_CHECK, fn=None, sb=None, + update_range=None): if fn is None: fn = self._fn if sb is None: sb = self._storage_broker smu = ServermapUpdater(fn, sb, Monitor(), - ServerMap(), mode) + ServerMap(), mode, update_range=update_range) d = smu.update() return d @@ -760,7 +1148,8 @@ class Servermap(unittest.TestCase, PublishMixin): # create a new file, which is large enough to knock the privkey out # of the early part of the file LARGE = "These are Larger contents" * 200 # about 5KB - d.addCallback(lambda res: self._nodemaker.create_mutable_file(LARGE)) + LARGE_uploadable = MutableData(LARGE) + d.addCallback(lambda res: self._nodemaker.create_mutable_file(LARGE_uploadable)) def _created(large_fn): large_fn2 = self._nodemaker.create_from_cap(large_fn.get_uri()) return self.make_servermap(MODE_WRITE, large_fn2) @@ -768,6 +1157,7 @@ class Servermap(unittest.TestCase, PublishMixin): d.addCallback(lambda sm: self.failUnlessOneRecoverable(sm, 10)) return d + def test_mark_bad(self): d = defer.succeed(None) ms = self.make_servermap @@ -813,7 +1203,7 @@ class Servermap(unittest.TestCase, PublishMixin): self._storage._peers = {} # delete all shares ms = self.make_servermap d = defer.succeed(None) - +# d.addCallback(lambda res: ms(mode=MODE_CHECK)) d.addCallback(lambda sm: self.failUnlessNoneRecoverable(sm)) @@ -865,6 +1255,49 @@ class Servermap(unittest.TestCase, PublishMixin): return d + def test_servermapupdater_finds_mdmf_files(self): + # setUp already published an MDMF file for us. We just need to + # make sure that when we run the ServermapUpdater, the file is + # reported to have one recoverable version. + d = defer.succeed(None) + d.addCallback(lambda ignored: + self.publish_mdmf()) + d.addCallback(lambda ignored: + self.make_servermap(mode=MODE_CHECK)) + # Calling make_servermap also updates the servermap in the mode + # that we specify, so we just need to see what it says. + def _check_servermap(sm): + self.failUnlessEqual(len(sm.recoverable_versions()), 1) + d.addCallback(_check_servermap) + return d + + + def test_fetch_update(self): + d = defer.succeed(None) + d.addCallback(lambda ignored: + self.publish_mdmf()) + d.addCallback(lambda ignored: + self.make_servermap(mode=MODE_WRITE, update_range=(1, 2))) + def _check_servermap(sm): + # 10 shares + self.failUnlessEqual(len(sm.update_data), 10) + # one version + for data in sm.update_data.itervalues(): + self.failUnlessEqual(len(data), 1) + d.addCallback(_check_servermap) + return d + + + def test_servermapupdater_finds_sdmf_files(self): + d = defer.succeed(None) + d.addCallback(lambda ignored: + self.publish_sdmf()) + d.addCallback(lambda ignored: + self.make_servermap(mode=MODE_CHECK)) + d.addCallback(lambda servermap: + self.failUnlessEqual(len(servermap.recoverable_versions()), 1)) + return d + class Roundtrip(unittest.TestCase, testutil.ShouldFailMixin, PublishMixin): def setUp(self): @@ -905,7 +1338,11 @@ class Roundtrip(unittest.TestCase, testutil.ShouldFailMixin, PublishMixin): if version is None: version = servermap.best_recoverable_version() r = Retrieve(self._fn, servermap, version) - return r.download() + c = consumer.MemoryConsumer() + d = r.download(consumer=c) + d.addCallback(lambda mc: "".join(mc.chunks)) + return d + def test_basic(self): d = self.make_servermap() @@ -982,9 +1419,12 @@ class Roundtrip(unittest.TestCase, testutil.ShouldFailMixin, PublishMixin): return d test_no_servers_download.timeout = 15 + def _test_corrupt_all(self, offset, substring, - should_succeed=False, corrupt_early=True, - failure_checker=None): + should_succeed=False, + corrupt_early=True, + failure_checker=None, + fetch_privkey=False): d = defer.succeed(None) if corrupt_early: d.addCallback(corrupt, self._storage, offset) @@ -1001,14 +1441,17 @@ class Roundtrip(unittest.TestCase, testutil.ShouldFailMixin, PublishMixin): self.failUnlessIn(substring, "".join(allproblems)) return servermap if should_succeed: - d1 = self._fn.download_version(servermap, ver) + d1 = self._fn.download_version(servermap, ver, + fetch_privkey) d1.addCallback(lambda new_contents: self.failUnlessEqual(new_contents, self.CONTENTS)) else: d1 = self.shouldFail(NotEnoughSharesError, "_corrupt_all(offset=%s)" % (offset,), substring, - self._fn.download_version, servermap, ver) + self._fn.download_version, servermap, + ver, + fetch_privkey) if failure_checker: d1.addCallback(failure_checker) d1.addCallback(lambda res: servermap) @@ -1017,14 +1460,14 @@ class Roundtrip(unittest.TestCase, testutil.ShouldFailMixin, PublishMixin): return d def test_corrupt_all_verbyte(self): - # when the version byte is not 0, we hit an UnknownVersionError error - # in unpack_share(). + # when the version byte is not 0 or 1, we hit an UnknownVersionError + # error in unpack_share(). d = self._test_corrupt_all(0, "UnknownVersionError") def _check_servermap(servermap): # and the dump should mention the problems s = StringIO() dump = servermap.dump(s).getvalue() - self.failUnless("10 PROBLEMS" in dump, dump) + self.failUnless("30 PROBLEMS" in dump, dump) d.addCallback(_check_servermap) return d @@ -1094,13 +1537,27 @@ class Roundtrip(unittest.TestCase, testutil.ShouldFailMixin, PublishMixin): return self._test_corrupt_all("enc_privkey", None, should_succeed=True) + def test_corrupt_all_encprivkey_late(self): + # this should work for the same reason as above, but we corrupt + # after the servermap update to exercise the error handling + # code. + # We need to remove the privkey from the node, or the retrieve + # process won't know to update it. + self._fn._privkey = None + return self._test_corrupt_all("enc_privkey", + None, # this shouldn't fail + should_succeed=True, + corrupt_early=False, + fetch_privkey=True) + + def test_corrupt_all_seqnum_late(self): # corrupting the seqnum between mapupdate and retrieve should result # in NotEnoughSharesError, since each share will look invalid def _check(res): f = res[0] self.failUnless(f.check(NotEnoughSharesError)) - self.failUnless("someone wrote to the data since we read the servermap" in str(f)) + self.failUnless("uncoordinated write" in str(f)) return self._test_corrupt_all(1, "ran out of peers", corrupt_early=False, failure_checker=_check) @@ -1144,36 +1601,89 @@ class Roundtrip(unittest.TestCase, testutil.ShouldFailMixin, PublishMixin): in str(servermap.problems[0])) ver = servermap.best_recoverable_version() r = Retrieve(self._fn, servermap, ver) - return r.download() + c = consumer.MemoryConsumer() + return r.download(c) d.addCallback(_do_retrieve) + d.addCallback(lambda mc: "".join(mc.chunks)) d.addCallback(lambda new_contents: self.failUnlessEqual(new_contents, self.CONTENTS)) return d - def test_corrupt_some(self): - # corrupt the data of first five shares (so the servermap thinks - # they're good but retrieve marks them as bad), so that the - # MODE_READ set of 6 will be insufficient, forcing node.download to - # retry with more servers. - corrupt(None, self._storage, "share_data", range(5)) - d = self.make_servermap() + + def _test_corrupt_some(self, offset, mdmf=False): + if mdmf: + d = self.publish_mdmf() + else: + d = defer.succeed(None) + d.addCallback(lambda ignored: + corrupt(None, self._storage, offset, range(5))) + d.addCallback(lambda ignored: + self.make_servermap()) def _do_retrieve(servermap): ver = servermap.best_recoverable_version() self.failUnless(ver) return self._fn.download_best_version() d.addCallback(_do_retrieve) d.addCallback(lambda new_contents: - self.failUnlessEqual(new_contents, self.CONTENTS)) + self.failUnlessEqual(new_contents, self.CONTENTS)) return d + + def test_corrupt_some(self): + # corrupt the data of first five shares (so the servermap thinks + # they're good but retrieve marks them as bad), so that the + # MODE_READ set of 6 will be insufficient, forcing node.download to + # retry with more servers. + return self._test_corrupt_some("share_data") + + def test_download_fails(self): - corrupt(None, self._storage, "signature") - d = self.shouldFail(UnrecoverableFileError, "test_download_anyway", + d = corrupt(None, self._storage, "signature") + d.addCallback(lambda ignored: + self.shouldFail(UnrecoverableFileError, "test_download_anyway", "no recoverable versions", - self._fn.download_best_version) + self._fn.download_best_version)) + return d + + + + def test_corrupt_mdmf_block_hash_tree(self): + d = self.publish_mdmf() + d.addCallback(lambda ignored: + self._test_corrupt_all(("block_hash_tree", 12 * 32), + "block hash tree failure", + corrupt_early=False, + should_succeed=False)) + return d + + + def test_corrupt_mdmf_block_hash_tree_late(self): + d = self.publish_mdmf() + d.addCallback(lambda ignored: + self._test_corrupt_all(("block_hash_tree", 12 * 32), + "block hash tree failure", + corrupt_early=True, + should_succeed=False)) + return d + + + def test_corrupt_mdmf_share_data(self): + d = self.publish_mdmf() + d.addCallback(lambda ignored: + # TODO: Find out what the block size is and corrupt a + # specific block, rather than just guessing. + self._test_corrupt_all(("share_data", 12 * 40), + "block hash tree failure", + corrupt_early=True, + should_succeed=False)) return d + def test_corrupt_some_mdmf(self): + return self._test_corrupt_some(("share_data", 12 * 40), + mdmf=True) + + class CheckerMixin: def check_good(self, r, where): self.failUnless(r.is_healthy(), where) @@ -1204,6 +1714,13 @@ class Checker(unittest.TestCase, CheckerMixin, PublishMixin): d.addCallback(self.check_good, "test_check_good") return d + def test_check_mdmf_good(self): + d = self.publish_mdmf() + d.addCallback(lambda ignored: + self._fn.check(Monitor())) + d.addCallback(self.check_good, "test_check_mdmf_good") + return d + def test_check_no_shares(self): for shares in self._storage._peers.values(): shares.clear() @@ -1211,6 +1728,17 @@ class Checker(unittest.TestCase, CheckerMixin, PublishMixin): d.addCallback(self.check_bad, "test_check_no_shares") return d + def test_check_mdmf_no_shares(self): + d = self.publish_mdmf() + def _then(ignored): + for share in self._storage._peers.values(): + share.clear() + d.addCallback(_then) + d.addCallback(lambda ignored: + self._fn.check(Monitor())) + d.addCallback(self.check_bad, "test_check_mdmf_no_shares") + return d + def test_check_not_enough_shares(self): for shares in self._storage._peers.values(): for shnum in shares.keys(): @@ -1220,40 +1748,79 @@ class Checker(unittest.TestCase, CheckerMixin, PublishMixin): d.addCallback(self.check_bad, "test_check_not_enough_shares") return d + def test_check_mdmf_not_enough_shares(self): + d = self.publish_mdmf() + def _then(ignored): + for shares in self._storage._peers.values(): + for shnum in shares.keys(): + if shnum > 0: + del shares[shnum] + d.addCallback(_then) + d.addCallback(lambda ignored: + self._fn.check(Monitor())) + d.addCallback(self.check_bad, "test_check_mdmf_not_enougH_shares") + return d + + def test_check_all_bad_sig(self): - corrupt(None, self._storage, 1) # bad sig - d = self._fn.check(Monitor()) + d = corrupt(None, self._storage, 1) # bad sig + d.addCallback(lambda ignored: + self._fn.check(Monitor())) d.addCallback(self.check_bad, "test_check_all_bad_sig") return d + def test_check_mdmf_all_bad_sig(self): + d = self.publish_mdmf() + d.addCallback(lambda ignored: + corrupt(None, self._storage, 1)) + d.addCallback(lambda ignored: + self._fn.check(Monitor())) + d.addCallback(self.check_bad, "test_check_mdmf_all_bad_sig") + return d + def test_check_all_bad_blocks(self): - corrupt(None, self._storage, "share_data", [9]) # bad blocks + d = corrupt(None, self._storage, "share_data", [9]) # bad blocks # the Checker won't notice this.. it doesn't look at actual data - d = self._fn.check(Monitor()) + d.addCallback(lambda ignored: + self._fn.check(Monitor())) d.addCallback(self.check_good, "test_check_all_bad_blocks") return d + + def test_check_mdmf_all_bad_blocks(self): + d = self.publish_mdmf() + d.addCallback(lambda ignored: + corrupt(None, self._storage, "share_data")) + d.addCallback(lambda ignored: + self._fn.check(Monitor())) + d.addCallback(self.check_good, "test_check_mdmf_all_bad_blocks") + return d + def test_verify_good(self): d = self._fn.check(Monitor(), verify=True) d.addCallback(self.check_good, "test_verify_good") return d + test_verify_good.timeout = 15 def test_verify_all_bad_sig(self): - corrupt(None, self._storage, 1) # bad sig - d = self._fn.check(Monitor(), verify=True) + d = corrupt(None, self._storage, 1) # bad sig + d.addCallback(lambda ignored: + self._fn.check(Monitor(), verify=True)) d.addCallback(self.check_bad, "test_verify_all_bad_sig") return d def test_verify_one_bad_sig(self): - corrupt(None, self._storage, 1, [9]) # bad sig - d = self._fn.check(Monitor(), verify=True) + d = corrupt(None, self._storage, 1, [9]) # bad sig + d.addCallback(lambda ignored: + self._fn.check(Monitor(), verify=True)) d.addCallback(self.check_bad, "test_verify_one_bad_sig") return d def test_verify_one_bad_block(self): - corrupt(None, self._storage, "share_data", [9]) # bad blocks + d = corrupt(None, self._storage, "share_data", [9]) # bad blocks # the Verifier *will* notice this, since it examines every byte - d = self._fn.check(Monitor(), verify=True) + d.addCallback(lambda ignored: + self._fn.check(Monitor(), verify=True)) d.addCallback(self.check_bad, "test_verify_one_bad_block") d.addCallback(self.check_expected_failure, CorruptShareError, "block hash tree failure", @@ -1261,8 +1828,9 @@ class Checker(unittest.TestCase, CheckerMixin, PublishMixin): return d def test_verify_one_bad_sharehash(self): - corrupt(None, self._storage, "share_hash_chain", [9], 5) - d = self._fn.check(Monitor(), verify=True) + d = corrupt(None, self._storage, "share_hash_chain", [9], 5) + d.addCallback(lambda ignored: + self._fn.check(Monitor(), verify=True)) d.addCallback(self.check_bad, "test_verify_one_bad_sharehash") d.addCallback(self.check_expected_failure, CorruptShareError, "corrupt hashes", @@ -1270,8 +1838,9 @@ class Checker(unittest.TestCase, CheckerMixin, PublishMixin): return d def test_verify_one_bad_encprivkey(self): - corrupt(None, self._storage, "enc_privkey", [9]) # bad privkey - d = self._fn.check(Monitor(), verify=True) + d = corrupt(None, self._storage, "enc_privkey", [9]) # bad privkey + d.addCallback(lambda ignored: + self._fn.check(Monitor(), verify=True)) d.addCallback(self.check_bad, "test_verify_one_bad_encprivkey") d.addCallback(self.check_expected_failure, CorruptShareError, "invalid privkey", @@ -1279,14 +1848,74 @@ class Checker(unittest.TestCase, CheckerMixin, PublishMixin): return d def test_verify_one_bad_encprivkey_uncheckable(self): - corrupt(None, self._storage, "enc_privkey", [9]) # bad privkey + d = corrupt(None, self._storage, "enc_privkey", [9]) # bad privkey readonly_fn = self._fn.get_readonly() # a read-only node has no way to validate the privkey - d = readonly_fn.check(Monitor(), verify=True) + d.addCallback(lambda ignored: + readonly_fn.check(Monitor(), verify=True)) d.addCallback(self.check_good, "test_verify_one_bad_encprivkey_uncheckable") return d + + def test_verify_mdmf_good(self): + d = self.publish_mdmf() + d.addCallback(lambda ignored: + self._fn.check(Monitor(), verify=True)) + d.addCallback(self.check_good, "test_verify_mdmf_good") + return d + + + def test_verify_mdmf_one_bad_block(self): + d = self.publish_mdmf() + d.addCallback(lambda ignored: + corrupt(None, self._storage, "share_data", [1])) + d.addCallback(lambda ignored: + self._fn.check(Monitor(), verify=True)) + # We should find one bad block here + d.addCallback(self.check_bad, "test_verify_mdmf_one_bad_block") + d.addCallback(self.check_expected_failure, + CorruptShareError, "block hash tree failure", + "test_verify_mdmf_one_bad_block") + return d + + + def test_verify_mdmf_bad_encprivkey(self): + d = self.publish_mdmf() + d.addCallback(lambda ignored: + corrupt(None, self._storage, "enc_privkey", [0])) + d.addCallback(lambda ignored: + self._fn.check(Monitor(), verify=True)) + d.addCallback(self.check_bad, "test_verify_mdmf_bad_encprivkey") + d.addCallback(self.check_expected_failure, + CorruptShareError, "privkey", + "test_verify_mdmf_bad_encprivkey") + return d + + + def test_verify_mdmf_bad_sig(self): + d = self.publish_mdmf() + d.addCallback(lambda ignored: + corrupt(None, self._storage, 1, [1])) + d.addCallback(lambda ignored: + self._fn.check(Monitor(), verify=True)) + d.addCallback(self.check_bad, "test_verify_mdmf_bad_sig") + return d + + + def test_verify_mdmf_bad_encprivkey_uncheckable(self): + d = self.publish_mdmf() + d.addCallback(lambda ignored: + corrupt(None, self._storage, "enc_privkey", [1])) + d.addCallback(lambda ignored: + self._fn.get_readonly()) + d.addCallback(lambda fn: + fn.check(Monitor(), verify=True)) + d.addCallback(self.check_good, + "test_verify_mdmf_bad_encprivkey_uncheckable") + return d + + class Repair(unittest.TestCase, PublishMixin, ShouldFailMixin): def get_shares(self, s): @@ -1352,6 +1981,7 @@ class Repair(unittest.TestCase, PublishMixin, ShouldFailMixin): current_shares = self.old_shares[-1] self.failUnlessEqual(old_shares, current_shares) + def test_unrepairable_0shares(self): d = self.publish_one() def _delete_all_shares(ign): @@ -1366,6 +1996,19 @@ class Repair(unittest.TestCase, PublishMixin, ShouldFailMixin): d.addCallback(_check) return d + def test_mdmf_unrepairable_0shares(self): + d = self.publish_mdmf() + def _delete_all_shares(ign): + shares = self._storage._peers + for peerid in shares: + shares[peerid] = {} + d.addCallback(_delete_all_shares) + d.addCallback(lambda ign: self._fn.check(Monitor())) + d.addCallback(lambda check_results: self._fn.repair(check_results)) + d.addCallback(lambda crr: self.failIf(crr.get_successful())) + return d + + def test_unrepairable_1share(self): d = self.publish_one() def _delete_all_shares(ign): @@ -1382,6 +2025,60 @@ class Repair(unittest.TestCase, PublishMixin, ShouldFailMixin): d.addCallback(_check) return d + def test_mdmf_unrepairable_1share(self): + d = self.publish_mdmf() + def _delete_all_shares(ign): + shares = self._storage._peers + for peerid in shares: + for shnum in list(shares[peerid]): + if shnum > 0: + del shares[peerid][shnum] + d.addCallback(_delete_all_shares) + d.addCallback(lambda ign: self._fn.check(Monitor())) + d.addCallback(lambda check_results: self._fn.repair(check_results)) + def _check(crr): + self.failUnlessEqual(crr.get_successful(), False) + d.addCallback(_check) + return d + + def test_repairable_5shares(self): + d = self.publish_mdmf() + def _delete_all_shares(ign): + shares = self._storage._peers + for peerid in shares: + for shnum in list(shares[peerid]): + if shnum > 4: + del shares[peerid][shnum] + d.addCallback(_delete_all_shares) + d.addCallback(lambda ign: self._fn.check(Monitor())) + d.addCallback(lambda check_results: self._fn.repair(check_results)) + def _check(crr): + self.failUnlessEqual(crr.get_successful(), True) + d.addCallback(_check) + return d + + def test_mdmf_repairable_5shares(self): + d = self.publish_mdmf() + def _delete_some_shares(ign): + shares = self._storage._peers + for peerid in shares: + for shnum in list(shares[peerid]): + if shnum > 5: + del shares[peerid][shnum] + d.addCallback(_delete_some_shares) + d.addCallback(lambda ign: self._fn.check(Monitor())) + def _check(cr): + self.failIf(cr.is_healthy()) + self.failUnless(cr.is_recoverable()) + return cr + d.addCallback(_check) + d.addCallback(lambda check_results: self._fn.repair(check_results)) + def _check1(crr): + self.failUnlessEqual(crr.get_successful(), True) + d.addCallback(_check1) + return d + + def test_merge(self): self.old_shares = [] d = self.publish_multiple() @@ -1496,16 +2193,17 @@ class DevNullDictionary(dict): class MultipleEncodings(unittest.TestCase): def setUp(self): self.CONTENTS = "New contents go here" + self.uploadable = MutableData(self.CONTENTS) self._storage = FakeStorage() self._nodemaker = make_nodemaker(self._storage, num_peers=20) self._storage_broker = self._nodemaker.storage_broker - d = self._nodemaker.create_mutable_file(self.CONTENTS) + d = self._nodemaker.create_mutable_file(self.uploadable) def _created(node): self._fn = node d.addCallback(_created) return d - def _encode(self, k, n, data): + def _encode(self, k, n, data, version=SDMF_VERSION): # encode 'data' into a peerid->shares dict. fn = self._fn @@ -1525,7 +2223,8 @@ class MultipleEncodings(unittest.TestCase): s = self._storage s._peers = {} # clear existing storage p2 = Publish(fn2, self._storage_broker, None) - d = p2.publish(data) + uploadable = MutableData(data) + d = p2.publish(uploadable) def _published(res): shares = s._peers s._peers = {} @@ -1792,7 +2491,7 @@ class Problems(GridTestMixin, unittest.TestCase, testutil.ShouldFailMixin): self.basedir = "mutable/Problems/test_publish_surprise" self.set_up_grid() nm = self.g.clients[0].nodemaker - d = nm.create_mutable_file("contents 1") + d = nm.create_mutable_file(MutableData("contents 1")) def _created(n): d = defer.succeed(None) d.addCallback(lambda res: n.get_servermap(MODE_WRITE)) @@ -1802,7 +2501,7 @@ class Problems(GridTestMixin, unittest.TestCase, testutil.ShouldFailMixin): d.addCallback(_got_smap1) # then modify the file, leaving the old map untouched d.addCallback(lambda res: log.msg("starting winning write")) - d.addCallback(lambda res: n.overwrite("contents 2")) + d.addCallback(lambda res: n.overwrite(MutableData("contents 2"))) # now attempt to modify the file with the old servermap. This # will look just like an uncoordinated write, in which every # single share got updated between our mapupdate and our publish @@ -1811,7 +2510,7 @@ class Problems(GridTestMixin, unittest.TestCase, testutil.ShouldFailMixin): self.shouldFail(UncoordinatedWriteError, "test_publish_surprise", None, n.upload, - "contents 2a", self.old_map)) + MutableData("contents 2a"), self.old_map)) return d d.addCallback(_created) return d @@ -1820,7 +2519,7 @@ class Problems(GridTestMixin, unittest.TestCase, testutil.ShouldFailMixin): self.basedir = "mutable/Problems/test_retrieve_surprise" self.set_up_grid() nm = self.g.clients[0].nodemaker - d = nm.create_mutable_file("contents 1") + d = nm.create_mutable_file(MutableData("contents 1")) def _created(n): d = defer.succeed(None) d.addCallback(lambda res: n.get_servermap(MODE_READ)) @@ -1830,7 +2529,7 @@ class Problems(GridTestMixin, unittest.TestCase, testutil.ShouldFailMixin): d.addCallback(_got_smap1) # then modify the file, leaving the old map untouched d.addCallback(lambda res: log.msg("starting winning write")) - d.addCallback(lambda res: n.overwrite("contents 2")) + d.addCallback(lambda res: n.overwrite(MutableData("contents 2"))) # now attempt to retrieve the old version with the old servermap. # This will look like someone has changed the file since we # updated the servermap. @@ -1839,7 +2538,7 @@ class Problems(GridTestMixin, unittest.TestCase, testutil.ShouldFailMixin): d.addCallback(lambda res: self.shouldFail(NotEnoughSharesError, "test_retrieve_surprise", - "ran out of peers: have 0 shares (k=3)", + "ran out of peers: have 0 of 1", n.download_version, self.old_map, self.old_map.best_recoverable_version(), @@ -1848,6 +2547,7 @@ class Problems(GridTestMixin, unittest.TestCase, testutil.ShouldFailMixin): d.addCallback(_created) return d + def test_unexpected_shares(self): # upload the file, take a servermap, shut down one of the servers, # upload it again (causing shares to appear on a new server), then @@ -1857,7 +2557,7 @@ class Problems(GridTestMixin, unittest.TestCase, testutil.ShouldFailMixin): self.basedir = "mutable/Problems/test_unexpected_shares" self.set_up_grid() nm = self.g.clients[0].nodemaker - d = nm.create_mutable_file("contents 1") + d = nm.create_mutable_file(MutableData("contents 1")) def _created(n): d = defer.succeed(None) d.addCallback(lambda res: n.get_servermap(MODE_WRITE)) @@ -1869,7 +2569,7 @@ class Problems(GridTestMixin, unittest.TestCase, testutil.ShouldFailMixin): self.g.remove_server(peer0) # then modify the file, leaving the old map untouched log.msg("starting winning write") - return n.overwrite("contents 2") + return n.overwrite(MutableData("contents 2")) d.addCallback(_got_smap1) # now attempt to modify the file with the old servermap. This # will look just like an uncoordinated write, in which every @@ -1879,10 +2579,11 @@ class Problems(GridTestMixin, unittest.TestCase, testutil.ShouldFailMixin): self.shouldFail(UncoordinatedWriteError, "test_surprise", None, n.upload, - "contents 2a", self.old_map)) + MutableData("contents 2a"), self.old_map)) return d d.addCallback(_created) return d + test_unexpected_shares.timeout = 15 def test_bad_server(self): # Break one server, then create the file: the initial publish should @@ -1916,7 +2617,7 @@ class Problems(GridTestMixin, unittest.TestCase, testutil.ShouldFailMixin): d.addCallback(_break_peer0) # now "create" the file, using the pre-established key, and let the # initial publish finally happen - d.addCallback(lambda res: nm.create_mutable_file("contents 1")) + d.addCallback(lambda res: nm.create_mutable_file(MutableData("contents 1"))) # that ought to work def _got_node(n): d = n.download_best_version() @@ -1925,7 +2626,7 @@ class Problems(GridTestMixin, unittest.TestCase, testutil.ShouldFailMixin): def _break_peer1(res): self.g.break_server(self.server1.get_serverid()) d.addCallback(_break_peer1) - d.addCallback(lambda res: n.overwrite("contents 2")) + d.addCallback(lambda res: n.overwrite(MutableData("contents 2"))) # that ought to work too d.addCallback(lambda res: n.download_best_version()) d.addCallback(lambda res: self.failUnlessEqual(res, "contents 2")) @@ -1957,7 +2658,7 @@ class Problems(GridTestMixin, unittest.TestCase, testutil.ShouldFailMixin): peerids = [s.get_serverid() for s in sb.get_connected_servers()] self.g.break_server(peerids[0]) - d = nm.create_mutable_file("contents 1") + d = nm.create_mutable_file(MutableData("contents 1")) def _created(n): d = n.download_best_version() d.addCallback(lambda res: self.failUnlessEqual(res, "contents 1")) @@ -1965,7 +2666,7 @@ class Problems(GridTestMixin, unittest.TestCase, testutil.ShouldFailMixin): def _break_second_server(res): self.g.break_server(peerids[1]) d.addCallback(_break_second_server) - d.addCallback(lambda res: n.overwrite("contents 2")) + d.addCallback(lambda res: n.overwrite(MutableData("contents 2"))) # that ought to work too d.addCallback(lambda res: n.download_best_version()) d.addCallback(lambda res: self.failUnlessEqual(res, "contents 2")) @@ -1983,8 +2684,8 @@ class Problems(GridTestMixin, unittest.TestCase, testutil.ShouldFailMixin): d = self.shouldFail(NotEnoughServersError, "test_publish_all_servers_bad", - "Ran out of non-bad servers", - nm.create_mutable_file, "contents") + "ran out of good servers", + nm.create_mutable_file, MutableData("contents")) return d def test_publish_no_servers(self): @@ -1996,7 +2697,7 @@ class Problems(GridTestMixin, unittest.TestCase, testutil.ShouldFailMixin): d = self.shouldFail(NotEnoughServersError, "test_publish_no_servers", "Ran out of non-bad servers", - nm.create_mutable_file, "contents") + nm.create_mutable_file, MutableData("contents")) return d test_publish_no_servers.timeout = 30 @@ -2014,7 +2715,8 @@ class Problems(GridTestMixin, unittest.TestCase, testutil.ShouldFailMixin): # we need some contents that are large enough to push the privkey out # of the early part of the file LARGE = "These are Larger contents" * 2000 # about 50KB - d = nm.create_mutable_file(LARGE) + LARGE_uploadable = MutableData(LARGE) + d = nm.create_mutable_file(LARGE_uploadable) def _created(n): self.uri = n.get_uri() self.n2 = nm.create_from_cap(self.uri) @@ -2049,10 +2751,11 @@ class Problems(GridTestMixin, unittest.TestCase, testutil.ShouldFailMixin): self.basedir = "mutable/Problems/test_privkey_query_missing" self.set_up_grid(num_servers=20) nm = self.g.clients[0].nodemaker - LARGE = "These are Larger contents" * 2000 # about 50KB + LARGE = "These are Larger contents" * 2000 # about 50KiB + LARGE_uploadable = MutableData(LARGE) nm._node_cache = DevNullDictionary() # disable the nodecache - d = nm.create_mutable_file(LARGE) + d = nm.create_mutable_file(LARGE_uploadable) def _created(n): self.uri = n.get_uri() self.n2 = nm.create_from_cap(self.uri) @@ -2062,3 +2765,800 @@ class Problems(GridTestMixin, unittest.TestCase, testutil.ShouldFailMixin): d.addCallback(_created) d.addCallback(lambda res: self.n2.get_servermap(MODE_WRITE)) return d + + + def test_block_and_hash_query_error(self): + # This tests for what happens when a query to a remote server + # fails in either the hash validation step or the block getting + # step (because of batching, this is the same actual query). + # We need to have the storage server persist up until the point + # that its prefix is validated, then suddenly die. This + # exercises some exception handling code in Retrieve. + self.basedir = "mutable/Problems/test_block_and_hash_query_error" + self.set_up_grid(num_servers=20) + nm = self.g.clients[0].nodemaker + CONTENTS = "contents" * 2000 + CONTENTS_uploadable = MutableData(CONTENTS) + d = nm.create_mutable_file(CONTENTS_uploadable) + def _created(node): + self._node = node + d.addCallback(_created) + d.addCallback(lambda ignored: + self._node.get_servermap(MODE_READ)) + def _then(servermap): + # we have our servermap. Now we set up the servers like the + # tests above -- the first one that gets a read call should + # start throwing errors, but only after returning its prefix + # for validation. Since we'll download without fetching the + # private key, the next query to the remote server will be + # for either a block and salt or for hashes, either of which + # will exercise the error handling code. + killer = FirstServerGetsKilled() + for s in nm.storage_broker.get_connected_servers(): + s.get_rref().post_call_notifier = killer.notify + ver = servermap.best_recoverable_version() + assert ver + return self._node.download_version(servermap, ver) + d.addCallback(_then) + d.addCallback(lambda data: + self.failUnlessEqual(data, CONTENTS)) + return d + + +class FileHandle(unittest.TestCase): + def setUp(self): + self.test_data = "Test Data" * 50000 + self.sio = StringIO(self.test_data) + self.uploadable = MutableFileHandle(self.sio) + + + def test_filehandle_read(self): + self.basedir = "mutable/FileHandle/test_filehandle_read" + chunk_size = 10 + for i in xrange(0, len(self.test_data), chunk_size): + data = self.uploadable.read(chunk_size) + data = "".join(data) + start = i + end = i + chunk_size + self.failUnlessEqual(data, self.test_data[start:end]) + + + def test_filehandle_get_size(self): + self.basedir = "mutable/FileHandle/test_filehandle_get_size" + actual_size = len(self.test_data) + size = self.uploadable.get_size() + self.failUnlessEqual(size, actual_size) + + + def test_filehandle_get_size_out_of_order(self): + # We should be able to call get_size whenever we want without + # disturbing the location of the seek pointer. + chunk_size = 100 + data = self.uploadable.read(chunk_size) + self.failUnlessEqual("".join(data), self.test_data[:chunk_size]) + + # Now get the size. + size = self.uploadable.get_size() + self.failUnlessEqual(size, len(self.test_data)) + + # Now get more data. We should be right where we left off. + more_data = self.uploadable.read(chunk_size) + start = chunk_size + end = chunk_size * 2 + self.failUnlessEqual("".join(more_data), self.test_data[start:end]) + + + def test_filehandle_file(self): + # Make sure that the MutableFileHandle works on a file as well + # as a StringIO object, since in some cases it will be asked to + # deal with files. + self.basedir = self.mktemp() + # necessary? What am I doing wrong here? + os.mkdir(self.basedir) + f_path = os.path.join(self.basedir, "test_file") + f = open(f_path, "w") + f.write(self.test_data) + f.close() + f = open(f_path, "r") + + uploadable = MutableFileHandle(f) + + data = uploadable.read(len(self.test_data)) + self.failUnlessEqual("".join(data), self.test_data) + size = uploadable.get_size() + self.failUnlessEqual(size, len(self.test_data)) + + + def test_close(self): + # Make sure that the MutableFileHandle closes its handle when + # told to do so. + self.uploadable.close() + self.failUnless(self.sio.closed) + + +class DataHandle(unittest.TestCase): + def setUp(self): + self.test_data = "Test Data" * 50000 + self.uploadable = MutableData(self.test_data) + + + def test_datahandle_read(self): + chunk_size = 10 + for i in xrange(0, len(self.test_data), chunk_size): + data = self.uploadable.read(chunk_size) + data = "".join(data) + start = i + end = i + chunk_size + self.failUnlessEqual(data, self.test_data[start:end]) + + + def test_datahandle_get_size(self): + actual_size = len(self.test_data) + size = self.uploadable.get_size() + self.failUnlessEqual(size, actual_size) + + + def test_datahandle_get_size_out_of_order(self): + # We should be able to call get_size whenever we want without + # disturbing the location of the seek pointer. + chunk_size = 100 + data = self.uploadable.read(chunk_size) + self.failUnlessEqual("".join(data), self.test_data[:chunk_size]) + + # Now get the size. + size = self.uploadable.get_size() + self.failUnlessEqual(size, len(self.test_data)) + + # Now get more data. We should be right where we left off. + more_data = self.uploadable.read(chunk_size) + start = chunk_size + end = chunk_size * 2 + self.failUnlessEqual("".join(more_data), self.test_data[start:end]) + + +class Version(GridTestMixin, unittest.TestCase, testutil.ShouldFailMixin, \ + PublishMixin): + def setUp(self): + GridTestMixin.setUp(self) + self.basedir = self.mktemp() + self.set_up_grid() + self.c = self.g.clients[0] + self.nm = self.c.nodemaker + self.data = "test data" * 100000 # about 900 KiB; MDMF + self.small_data = "test data" * 10 # about 90 B; SDMF + return self.do_upload() + + + def do_upload(self): + d1 = self.nm.create_mutable_file(MutableData(self.data), + version=MDMF_VERSION) + d2 = self.nm.create_mutable_file(MutableData(self.small_data)) + dl = gatherResults([d1, d2]) + def _then((n1, n2)): + assert isinstance(n1, MutableFileNode) + assert isinstance(n2, MutableFileNode) + + self.mdmf_node = n1 + self.sdmf_node = n2 + dl.addCallback(_then) + return dl + + + def test_get_readonly_mutable_version(self): + # Attempting to get a mutable version of a mutable file from a + # filenode initialized with a readcap should return a readonly + # version of that same node. + ro = self.mdmf_node.get_readonly() + d = ro.get_best_mutable_version() + d.addCallback(lambda version: + self.failUnless(version.is_readonly())) + d.addCallback(lambda ignored: + self.sdmf_node.get_readonly()) + d.addCallback(lambda version: + self.failUnless(version.is_readonly())) + return d + + + def test_get_sequence_number(self): + d = self.mdmf_node.get_best_readable_version() + d.addCallback(lambda bv: + self.failUnlessEqual(bv.get_sequence_number(), 1)) + d.addCallback(lambda ignored: + self.sdmf_node.get_best_readable_version()) + d.addCallback(lambda bv: + self.failUnlessEqual(bv.get_sequence_number(), 1)) + # Now update. The sequence number in both cases should be 1 in + # both cases. + def _do_update(ignored): + new_data = MutableData("foo bar baz" * 100000) + new_small_data = MutableData("foo bar baz" * 10) + d1 = self.mdmf_node.overwrite(new_data) + d2 = self.sdmf_node.overwrite(new_small_data) + dl = gatherResults([d1, d2]) + return dl + d.addCallback(_do_update) + d.addCallback(lambda ignored: + self.mdmf_node.get_best_readable_version()) + d.addCallback(lambda bv: + self.failUnlessEqual(bv.get_sequence_number(), 2)) + d.addCallback(lambda ignored: + self.sdmf_node.get_best_readable_version()) + d.addCallback(lambda bv: + self.failUnlessEqual(bv.get_sequence_number(), 2)) + return d + + + def test_version_extension_api(self): + # We need to define an API by which an uploader can set the + # extension parameters, and by which a downloader can retrieve + # extensions. + d = self.mdmf_node.get_best_mutable_version() + def _got_version(version): + hints = version.get_downloader_hints() + # Should be empty at this point. + self.failUnlessIn("k", hints) + self.failUnlessEqual(hints['k'], 3) + self.failUnlessIn('segsize', hints) + self.failUnlessEqual(hints['segsize'], 131073) + d.addCallback(_got_version) + return d + + + def test_extensions_from_cap(self): + # If we initialize a mutable file with a cap that has extension + # parameters in it and then grab the extension parameters using + # our API, we should see that they're set correctly. + mdmf_uri = self.mdmf_node.get_uri() + new_node = self.nm.create_from_cap(mdmf_uri) + d = new_node.get_best_mutable_version() + def _got_version(version): + hints = version.get_downloader_hints() + self.failUnlessIn("k", hints) + self.failUnlessEqual(hints["k"], 3) + self.failUnlessIn("segsize", hints) + self.failUnlessEqual(hints["segsize"], 131073) + d.addCallback(_got_version) + return d + + + def test_extensions_from_upload(self): + # If we create a new mutable file with some contents, we should + # get back an MDMF cap with the right hints in place. + contents = "foo bar baz" * 100000 + d = self.nm.create_mutable_file(contents, version=MDMF_VERSION) + def _got_mutable_file(n): + rw_uri = n.get_uri() + expected_k = str(self.c.DEFAULT_ENCODING_PARAMETERS['k']) + self.failUnlessIn(expected_k, rw_uri) + # XXX: Get this more intelligently. + self.failUnlessIn("131073", rw_uri) + + ro_uri = n.get_readonly_uri() + self.failUnlessIn(expected_k, ro_uri) + self.failUnlessIn("131073", ro_uri) + d.addCallback(_got_mutable_file) + return d + + + def test_cap_after_upload(self): + # If we create a new mutable file and upload things to it, and + # it's an MDMF file, we should get an MDMF cap back from that + # file and should be able to use that. + # That's essentially what MDMF node is, so just check that. + mdmf_uri = self.mdmf_node.get_uri() + cap = uri.from_string(mdmf_uri) + self.failUnless(isinstance(cap, uri.WritableMDMFFileURI)) + readonly_mdmf_uri = self.mdmf_node.get_readonly_uri() + cap = uri.from_string(readonly_mdmf_uri) + self.failUnless(isinstance(cap, uri.ReadonlyMDMFFileURI)) + + + def test_get_writekey(self): + d = self.mdmf_node.get_best_mutable_version() + d.addCallback(lambda bv: + self.failUnlessEqual(bv.get_writekey(), + self.mdmf_node.get_writekey())) + d.addCallback(lambda ignored: + self.sdmf_node.get_best_mutable_version()) + d.addCallback(lambda bv: + self.failUnlessEqual(bv.get_writekey(), + self.sdmf_node.get_writekey())) + return d + + + def test_get_storage_index(self): + d = self.mdmf_node.get_best_mutable_version() + d.addCallback(lambda bv: + self.failUnlessEqual(bv.get_storage_index(), + self.mdmf_node.get_storage_index())) + d.addCallback(lambda ignored: + self.sdmf_node.get_best_mutable_version()) + d.addCallback(lambda bv: + self.failUnlessEqual(bv.get_storage_index(), + self.sdmf_node.get_storage_index())) + return d + + + def test_get_readonly_version(self): + d = self.mdmf_node.get_best_readable_version() + d.addCallback(lambda bv: + self.failUnless(bv.is_readonly())) + d.addCallback(lambda ignored: + self.sdmf_node.get_best_readable_version()) + d.addCallback(lambda bv: + self.failUnless(bv.is_readonly())) + return d + + + def test_get_mutable_version(self): + d = self.mdmf_node.get_best_mutable_version() + d.addCallback(lambda bv: + self.failIf(bv.is_readonly())) + d.addCallback(lambda ignored: + self.sdmf_node.get_best_mutable_version()) + d.addCallback(lambda bv: + self.failIf(bv.is_readonly())) + return d + + + def test_toplevel_overwrite(self): + new_data = MutableData("foo bar baz" * 100000) + new_small_data = MutableData("foo bar baz" * 10) + d = self.mdmf_node.overwrite(new_data) + d.addCallback(lambda ignored: + self.mdmf_node.download_best_version()) + d.addCallback(lambda data: + self.failUnlessEqual(data, "foo bar baz" * 100000)) + d.addCallback(lambda ignored: + self.sdmf_node.overwrite(new_small_data)) + d.addCallback(lambda ignored: + self.sdmf_node.download_best_version()) + d.addCallback(lambda data: + self.failUnlessEqual(data, "foo bar baz" * 10)) + return d + + + def test_toplevel_modify(self): + def modifier(old_contents, servermap, first_time): + return old_contents + "modified" + d = self.mdmf_node.modify(modifier) + d.addCallback(lambda ignored: + self.mdmf_node.download_best_version()) + d.addCallback(lambda data: + self.failUnlessIn("modified", data)) + d.addCallback(lambda ignored: + self.sdmf_node.modify(modifier)) + d.addCallback(lambda ignored: + self.sdmf_node.download_best_version()) + d.addCallback(lambda data: + self.failUnlessIn("modified", data)) + return d + + + def test_version_modify(self): + # TODO: When we can publish multiple versions, alter this test + # to modify a version other than the best usable version, then + # test to see that the best recoverable version is that. + def modifier(old_contents, servermap, first_time): + return old_contents + "modified" + d = self.mdmf_node.modify(modifier) + d.addCallback(lambda ignored: + self.mdmf_node.download_best_version()) + d.addCallback(lambda data: + self.failUnlessIn("modified", data)) + d.addCallback(lambda ignored: + self.sdmf_node.modify(modifier)) + d.addCallback(lambda ignored: + self.sdmf_node.download_best_version()) + d.addCallback(lambda data: + self.failUnlessIn("modified", data)) + return d + + + def test_download_version(self): + d = self.publish_multiple() + # We want to have two recoverable versions on the grid. + d.addCallback(lambda res: + self._set_versions({0:0,2:0,4:0,6:0,8:0, + 1:1,3:1,5:1,7:1,9:1})) + # Now try to download each version. We should get the plaintext + # associated with that version. + d.addCallback(lambda ignored: + self._fn.get_servermap(mode=MODE_READ)) + def _got_servermap(smap): + versions = smap.recoverable_versions() + assert len(versions) == 2 + + self.servermap = smap + self.version1, self.version2 = versions + assert self.version1 != self.version2 + + self.version1_seqnum = self.version1[0] + self.version2_seqnum = self.version2[0] + self.version1_index = self.version1_seqnum - 1 + self.version2_index = self.version2_seqnum - 1 + + d.addCallback(_got_servermap) + d.addCallback(lambda ignored: + self._fn.download_version(self.servermap, self.version1)) + d.addCallback(lambda results: + self.failUnlessEqual(self.CONTENTS[self.version1_index], + results)) + d.addCallback(lambda ignored: + self._fn.download_version(self.servermap, self.version2)) + d.addCallback(lambda results: + self.failUnlessEqual(self.CONTENTS[self.version2_index], + results)) + return d + + + def test_download_nonexistent_version(self): + d = self.mdmf_node.get_servermap(mode=MODE_WRITE) + def _set_servermap(servermap): + self.servermap = servermap + d.addCallback(_set_servermap) + d.addCallback(lambda ignored: + self.shouldFail(UnrecoverableFileError, "nonexistent version", + None, + self.mdmf_node.download_version, self.servermap, + "not a version")) + return d + + + def test_partial_read(self): + # read only a few bytes at a time, and see that the results are + # what we expect. + d = self.mdmf_node.get_best_readable_version() + def _read_data(version): + c = consumer.MemoryConsumer() + d2 = defer.succeed(None) + for i in xrange(0, len(self.data), 10000): + d2.addCallback(lambda ignored, i=i: version.read(c, i, 10000)) + d2.addCallback(lambda ignored: + self.failUnlessEqual(self.data, "".join(c.chunks))) + return d2 + d.addCallback(_read_data) + return d + + + def test_read(self): + d = self.mdmf_node.get_best_readable_version() + def _read_data(version): + c = consumer.MemoryConsumer() + d2 = defer.succeed(None) + d2.addCallback(lambda ignored: version.read(c)) + d2.addCallback(lambda ignored: + self.failUnlessEqual("".join(c.chunks), self.data)) + return d2 + d.addCallback(_read_data) + return d + + + def test_download_best_version(self): + d = self.mdmf_node.download_best_version() + d.addCallback(lambda data: + self.failUnlessEqual(data, self.data)) + d.addCallback(lambda ignored: + self.sdmf_node.download_best_version()) + d.addCallback(lambda data: + self.failUnlessEqual(data, self.small_data)) + return d + + +class Update(GridTestMixin, unittest.TestCase, testutil.ShouldFailMixin): + def setUp(self): + GridTestMixin.setUp(self) + self.basedir = self.mktemp() + self.set_up_grid() + self.c = self.g.clients[0] + self.nm = self.c.nodemaker + self.data = "testdata " * 100000 # about 900 KiB; MDMF + self.small_data = "test data" * 10 # about 90 B; SDMF + return self.do_upload() + + + def do_upload(self): + d1 = self.nm.create_mutable_file(MutableData(self.data), + version=MDMF_VERSION) + d2 = self.nm.create_mutable_file(MutableData(self.small_data)) + dl = gatherResults([d1, d2]) + def _then((n1, n2)): + assert isinstance(n1, MutableFileNode) + assert isinstance(n2, MutableFileNode) + + self.mdmf_node = n1 + self.sdmf_node = n2 + dl.addCallback(_then) + # Make SDMF and MDMF mutable file nodes that have 255 shares. + def _make_max_shares(ign): + self.nm.default_encoding_parameters['n'] = 255 + self.nm.default_encoding_parameters['k'] = 127 + d1 = self.nm.create_mutable_file(MutableData(self.data), + version=MDMF_VERSION) + d2 = \ + self.nm.create_mutable_file(MutableData(self.small_data)) + return gatherResults([d1, d2]) + dl.addCallback(_make_max_shares) + def _stash((n1, n2)): + assert isinstance(n1, MutableFileNode) + assert isinstance(n2, MutableFileNode) + + self.mdmf_max_shares_node = n1 + self.sdmf_max_shares_node = n2 + dl.addCallback(_stash) + return dl + + def test_append(self): + # We should be able to append data to the middle of a mutable + # file and get what we expect. + new_data = self.data + "appended" + for node in (self.mdmf_node, self.mdmf_max_shares_node): + d = node.get_best_mutable_version() + d.addCallback(lambda mv: + mv.update(MutableData("appended"), len(self.data))) + d.addCallback(lambda ignored, node=node: + node.download_best_version()) + d.addCallback(lambda results: + self.failUnlessEqual(results, new_data)) + return d + + def test_replace(self): + # We should be able to replace data in the middle of a mutable + # file and get what we expect back. + new_data = self.data[:100] + new_data += "appended" + new_data += self.data[108:] + for node in (self.mdmf_node, self.mdmf_max_shares_node): + d = node.get_best_mutable_version() + d.addCallback(lambda mv: + mv.update(MutableData("appended"), 100)) + d.addCallback(lambda ignored, node=node: + node.download_best_version()) + d.addCallback(lambda results: + self.failUnlessEqual(results, new_data)) + return d + + def test_replace_beginning(self): + # We should be able to replace data at the beginning of the file + # without truncating the file + B = "beginning" + new_data = B + self.data[len(B):] + for node in (self.mdmf_node, self.mdmf_max_shares_node): + d = node.get_best_mutable_version() + d.addCallback(lambda mv: mv.update(MutableData(B), 0)) + d.addCallback(lambda ignored, node=node: + node.download_best_version()) + d.addCallback(lambda results: self.failUnlessEqual(results, new_data)) + return d + + def test_replace_segstart1(self): + offset = 128*1024+1 + new_data = "NNNN" + expected = self.data[:offset]+new_data+self.data[offset+4:] + for node in (self.mdmf_node, self.mdmf_max_shares_node): + d = node.get_best_mutable_version() + d.addCallback(lambda mv: + mv.update(MutableData(new_data), offset)) + # close around node. + d.addCallback(lambda ignored, node=node: + node.download_best_version()) + def _check(results): + if results != expected: + print + print "got: %s ... %s" % (results[:20], results[-20:]) + print "exp: %s ... %s" % (expected[:20], expected[-20:]) + self.fail("results != expected") + d.addCallback(_check) + return d + + def _check_differences(self, got, expected): + # displaying arbitrary file corruption is tricky for a + # 1MB file of repeating data,, so look for likely places + # with problems and display them separately + gotmods = [mo.span() for mo in re.finditer('([A-Z]+)', got)] + expmods = [mo.span() for mo in re.finditer('([A-Z]+)', expected)] + gotspans = ["%d:%d=%s" % (start,end,got[start:end]) + for (start,end) in gotmods] + expspans = ["%d:%d=%s" % (start,end,expected[start:end]) + for (start,end) in expmods] + #print "expecting: %s" % expspans + + SEGSIZE = 128*1024 + if got != expected: + print "differences:" + for segnum in range(len(expected)//SEGSIZE): + start = segnum * SEGSIZE + end = (segnum+1) * SEGSIZE + got_ends = "%s .. %s" % (got[start:start+20], got[end-20:end]) + exp_ends = "%s .. %s" % (expected[start:start+20], expected[end-20:end]) + if got_ends != exp_ends: + print "expected[%d]: %s" % (start, exp_ends) + print "got [%d]: %s" % (start, got_ends) + if expspans != gotspans: + print "expected: %s" % expspans + print "got : %s" % gotspans + open("EXPECTED","wb").write(expected) + open("GOT","wb").write(got) + print "wrote data to EXPECTED and GOT" + self.fail("didn't get expected data") + + + def test_replace_locations(self): + # exercise fencepost conditions + expected = self.data + SEGSIZE = 128*1024 + suspects = range(SEGSIZE-3, SEGSIZE+1)+range(2*SEGSIZE-3, 2*SEGSIZE+1) + letters = iter("ABCDEFGHIJKLMNOPQRSTUVWXYZ") + d = defer.succeed(None) + for offset in suspects: + new_data = letters.next()*2 # "AA", then "BB", etc + expected = expected[:offset]+new_data+expected[offset+2:] + d.addCallback(lambda ign: + self.mdmf_node.get_best_mutable_version()) + def _modify(mv, offset=offset, new_data=new_data): + # close over 'offset','new_data' + md = MutableData(new_data) + return mv.update(md, offset) + d.addCallback(_modify) + d.addCallback(lambda ignored: + self.mdmf_node.download_best_version()) + d.addCallback(self._check_differences, expected) + return d + + def test_replace_locations_max_shares(self): + # exercise fencepost conditions + expected = self.data + SEGSIZE = 128*1024 + suspects = range(SEGSIZE-3, SEGSIZE+1)+range(2*SEGSIZE-3, 2*SEGSIZE+1) + letters = iter("ABCDEFGHIJKLMNOPQRSTUVWXYZ") + d = defer.succeed(None) + for offset in suspects: + new_data = letters.next()*2 # "AA", then "BB", etc + expected = expected[:offset]+new_data+expected[offset+2:] + d.addCallback(lambda ign: + self.mdmf_max_shares_node.get_best_mutable_version()) + def _modify(mv, offset=offset, new_data=new_data): + # close over 'offset','new_data' + md = MutableData(new_data) + return mv.update(md, offset) + d.addCallback(_modify) + d.addCallback(lambda ignored: + self.mdmf_max_shares_node.download_best_version()) + d.addCallback(self._check_differences, expected) + return d + + def test_replace_and_extend(self): + # We should be able to replace data in the middle of a mutable + # file and extend that mutable file and get what we expect. + new_data = self.data[:100] + new_data += "modified " * 100000 + for node in (self.mdmf_node, self.mdmf_max_shares_node): + d = node.get_best_mutable_version() + d.addCallback(lambda mv: + mv.update(MutableData("modified " * 100000), 100)) + d.addCallback(lambda ignored, node=node: + node.download_best_version()) + d.addCallback(lambda results: + self.failUnlessEqual(results, new_data)) + return d + + + def test_append_power_of_two(self): + # If we attempt to extend a mutable file so that its segment + # count crosses a power-of-two boundary, the update operation + # should know how to reencode the file. + + # Note that the data populating self.mdmf_node is about 900 KiB + # long -- this is 7 segments in the default segment size. So we + # need to add 2 segments worth of data to push it over a + # power-of-two boundary. + segment = "a" * DEFAULT_MAX_SEGMENT_SIZE + new_data = self.data + (segment * 2) + for node in (self.mdmf_node, self.mdmf_max_shares_node): + d = node.get_best_mutable_version() + d.addCallback(lambda mv: + mv.update(MutableData(segment * 2), len(self.data))) + d.addCallback(lambda ignored, node=node: + node.download_best_version()) + d.addCallback(lambda results: + self.failUnlessEqual(results, new_data)) + return d + test_append_power_of_two.timeout = 15 + + + def test_update_sdmf(self): + # Running update on a single-segment file should still work. + new_data = self.small_data + "appended" + for node in (self.sdmf_node, self.sdmf_max_shares_node): + d = node.get_best_mutable_version() + d.addCallback(lambda mv: + mv.update(MutableData("appended"), len(self.small_data))) + d.addCallback(lambda ignored, node=node: + node.download_best_version()) + d.addCallback(lambda results: + self.failUnlessEqual(results, new_data)) + return d + + def test_replace_in_last_segment(self): + # The wrapper should know how to handle the tail segment + # appropriately. + replace_offset = len(self.data) - 100 + new_data = self.data[:replace_offset] + "replaced" + rest_offset = replace_offset + len("replaced") + new_data += self.data[rest_offset:] + for node in (self.mdmf_node, self.mdmf_max_shares_node): + d = node.get_best_mutable_version() + d.addCallback(lambda mv: + mv.update(MutableData("replaced"), replace_offset)) + d.addCallback(lambda ignored, node=node: + node.download_best_version()) + d.addCallback(lambda results: + self.failUnlessEqual(results, new_data)) + return d + + + def test_multiple_segment_replace(self): + replace_offset = 2 * DEFAULT_MAX_SEGMENT_SIZE + new_data = self.data[:replace_offset] + new_segment = "a" * DEFAULT_MAX_SEGMENT_SIZE + new_data += 2 * new_segment + new_data += "replaced" + rest_offset = len(new_data) + new_data += self.data[rest_offset:] + for node in (self.mdmf_node, self.mdmf_max_shares_node): + d = node.get_best_mutable_version() + d.addCallback(lambda mv: + mv.update(MutableData((2 * new_segment) + "replaced"), + replace_offset)) + d.addCallback(lambda ignored, node=node: + node.download_best_version()) + d.addCallback(lambda results: + self.failUnlessEqual(results, new_data)) + return d + +class Interoperability(GridTestMixin, unittest.TestCase, testutil.ShouldFailMixin): + sdmf_old_shares = {} + sdmf_old_shares[0] = "VGFob2UgbXV0YWJsZSBjb250YWluZXIgdjEKdQlEA47ESLbTdKdpLJXCpBxd5OH239tl5hvAiz1dvGdE5rIOpf8cbfxbPcwNF+Y5dM92uBVbmV6KAAAAAAAAB/wAAAAAAAAJ0AAAAAFOWSw7jSx7WXzaMpdleJYXwYsRCV82jNA5oex9m2YhXSnb2POh+vvC1LE1NAfRc9GOb2zQG84Xdsx1Jub2brEeKkyt0sRIttN0p2kslcKkHF3k4fbf22XmAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABamJprL6ecrsOoFKdrXUmWveLq8nzEGDOjFnyK9detI3noX3uyK2MwSnFdAfyN0tuAwoAAAAAAAAAFQAAAAAAAAAVAAABjwAAAo8AAAMXAAADNwAAAAAAAAM+AAAAAAAAB/wwggEgMA0GCSqGSIb3DQEBAQUAA4IBDQAwggEIAoIBAQC1IkainlJF12IBXBQdpRK1zXB7a26vuEYqRmQM09YjC6sQjCs0F2ICk8n9m/2Kw4l16eIEboB2Au9pODCE+u/dEAakEFh4qidTMn61rbGUbsLK8xzuWNW22ezzz9/nPia0HDrulXt51/FYtfnnAuD1RJGXJv/8tDllE9FL/18TzlH4WuB6Fp8FTgv7QdbZAfWJHDGFIpVCJr1XxOCsSZNFJIqGwZnD2lsChiWw5OJDbKd8otqN1hIbfHyMyfMOJ/BzRzvZXaUt4Dv5nf93EmQDWClxShRwpuX/NkZ5B2K9OFonFTbOCexm/MjMAdCBqebKKaiHFkiknUCn9eJQpZ5bAgERgV50VKj+AVTDfgTpqfO2vfo4wrufi6ZBb8QV7hllhUFBjYogQ9C96dnS7skv0s+cqFuUjwMILr5/rsbEmEMGvl0T0ytyAbtlXuowEFVj/YORNknM4yjY72YUtEPTlMpk0Cis7aIgTvu5qWMPER26PMApZuRqiwRsGIkaJIvOVOTHHjFYe3/YzdMkc7OZtqRMfQLtwVl2/zKQQV8b/a9vaT6q3mRLRd4P3esaAFe/+7sR/t+9tmB+a8kxtKM6kmaVQJMbXJZ4aoHGfeLX0m35Rcvu2Bmph7QfSDjk/eaE3q55zYSoGWShmlhlw4Kwg84sMuhmcVhLvo0LovR8bKmbdgACtTh7+7gs/l5w1lOkgbF6w7rkXLNslK7L2KYF4SPFLUcABOOLy8EETxh7h7/z9d62EiPu9CNpRrCOLxUhn+JUS+DuAAhgcAb/adrQFrhlrRNoRpvjDuxmFebA4F0qCyqWssm61AAQ/EX4eC/1+hGOQ/h4EiKUkqxdsfzdcPlDvd11SGWZ0VHsUclZChTzuBAU2zLTXm+cG8IFhO50ly6Ey/DB44NtMKVaVzO0nU8DE0Wua7Lx6Bnad5n91qmHAnwSEJE5YIhQM634omd6cq9Wk4seJCUIn+ucoknrpxp0IR9QMxpKSMRHRUg2K8ZegnY3YqFunRZKCfsq9ufQEKgjZN12AFqi551KPBdn4/3V5HK6xTv0P4robSsE/BvuIfByvRf/W7ZrDx+CFC4EEcsBOACOZCrkhhqd5TkYKbe9RA+vs56+9N5qZGurkxcoKviiyEncxvTuShD65DK/6x6kMDMgQv/EdZDI3x9GtHTnRBYXwDGnPJ19w+q2zC3e2XarbxTGYQIPEC5mYx0gAA0sbjf018NGfwBhl6SB54iGsa8uLvR3jHv6OSRJgwxL6j7P0Ts4Hv2EtO12P0Lv21pwi3JC1O/WviSrKCvrQD5lMHL9Uym3hwFi2zu0mqwZvxOAbGy7kfOPXkLYKOHTZLthzKj3PsdjeceWBfYIvPGKYcd6wDr36d1aXSYS4IWeApTS2AQ2lu0DUcgSefAvsA8NkgOklvJY1cjTMSg6j6cxQo48Bvl8RAWGLbr4h2S/8KwDGxwLsSv0Gop/gnFc3GzCsmL0EkEyHHWkCA8YRXCghfW80KLDV495ff7yF5oiwK56GniqowZ3RG9Jxp5MXoJQgsLV1VMQFMAmsY69yz8eoxRH3wl9L0dMyndLulhWWzNwPMQ2I0yAWdzA/pksVmwTJTFenB3MHCiWc5rEwJ3yofe6NZZnZQrYyL9r1TNnVwfTwRUiykPiLSk4x9Mi6DX7RamDAxc8u3gDVfjPsTOTagBOEGUWlGAL54KE/E6sgCQ5DEAt12chk8AxbjBFLPgV+/idrzS0lZHOL+IVBI9D0i3Bq1yZcSIqcjZB0M3IbxbPm4gLAYOWEiTUN2ecsEHHg9nt6rhgffVoqSbCCFPbpC0xf7WOC3+BQORIZECOCC7cUAciXq3xn+GuxpFE40RWRJeKAK7bBQ21X89ABIXlQFkFddZ9kRvlZ2Pnl0oeF+2pjnZu0Yc2czNfZEQF2P7BKIdLrgMgxG89snxAY8qAYTCKyQw6xTG87wkjDcpy1wzsZLP3WsOuO7cAm7b27xU0jRKq8Cw4d1hDoyRG+RdS53F8RFJzVMaNNYgxU2tfRwUvXpTRXiOheeRVvh25+YGVnjakUXjx/dSDnOw4ETHGHD+7styDkeSfc3BdSZxswzc6OehgMI+xsCxeeRym15QUm9hxvg8X7Bfz/0WulgFwgzrm11TVynZYOmvyHpiZKoqQyQyKahIrfhwuchCr7lMsZ4a+umIkNkKxCLZnI+T7jd+eGFMgKItjz3kTTxRl3IhaJG3LbPmwRUJynMxQKdMi4Uf0qy0U7+i8hIJ9m50QXc+3tw2bwDSbx22XYJ9Wf14gxx5G5SPTb1JVCbhe4fxNt91xIxCow2zk62tzbYfRe6dfmDmgYHkv2PIEtMJZK8iKLDjFfu2ZUxsKT2A5g1q17og6o9MeXeuFS3mzJXJYFQZd+3UzlFR9qwkFkby9mg5y4XSeMvRLOHPt/H/r5SpEqBE6a9MadZYt61FBV152CUEzd43ihXtrAa0XH9HdsiySBcWI1SpM3mv9rRP0DiLjMUzHw/K1D8TE2f07zW4t/9kvE11tFj/NpICixQAAAAA=" + sdmf_old_shares[1] = "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" + sdmf_old_shares[2] = "VGFob2UgbXV0YWJsZSBjb250YWluZXIgdjEKdQlEA47ESLbTdKdpLJXCpBxd5OH239tl5hvAiz1dvGdE5rIOpf8cbfxbPcwNF+Y5dM92uBVbmV6KAAAAAAAAB/wAAAAAAAAJ0AAAAAFOWSw7jSx7WXzaMpdleJYXwYsRCV82jNA5oex9m2YhXSnb2POh+vvC1LE1NAfRc9GOb2zQG84Xdsx1Jub2brEeKkyt0sRIttN0p2kslcKkHF3k4fbf22XmAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABamJprL6ecrsOoFKdrXUmWveLq8nzEGDOjFnyK9detI3noX3uyK2MwSnFdAfyN0tuAwoAAAAAAAAAFQAAAAAAAAAVAAABjwAAAo8AAAMXAAADNwAAAAAAAAM+AAAAAAAAB/wwggEgMA0GCSqGSIb3DQEBAQUAA4IBDQAwggEIAoIBAQC1IkainlJF12IBXBQdpRK1zXB7a26vuEYqRmQM09YjC6sQjCs0F2ICk8n9m/2Kw4l16eIEboB2Au9pODCE+u/dEAakEFh4qidTMn61rbGUbsLK8xzuWNW22ezzz9/nPia0HDrulXt51/FYtfnnAuD1RJGXJv/8tDllE9FL/18TzlH4WuB6Fp8FTgv7QdbZAfWJHDGFIpVCJr1XxOCsSZNFJIqGwZnD2lsChiWw5OJDbKd8otqN1hIbfHyMyfMOJ/BzRzvZXaUt4Dv5nf93EmQDWClxShRwpuX/NkZ5B2K9OFonFTbOCexm/MjMAdCBqebKKaiHFkiknUCn9eJQpZ5bAgERgV50VKj+AVTDfgTpqfO2vfo4wrufi6ZBb8QV7hllhUFBjYogQ9C96dnS7skv0s+cqFuUjwMILr5/rsbEmEMGvl0T0ytyAbtlXuowEFVj/YORNknM4yjY72YUtEPTlMpk0Cis7aIgTvu5qWMPER26PMApZuRqiwRsGIkaJIvOVOTHHjFYe3/YzdMkc7OZtqRMfQLtwVl2/zKQQV8b/a9vaT6q3mRLRd4P3esaAFe/+7sR/t+9tmB+a8kxtKM6kmaVQJMbXJZ4aoHGfeLX0m35Rcvu2Bmph7QfSDjk/eaE3q55zYSoGWShmlhlw4Kwg84sMuhmcVhLvo0LovR8bKmbdgACtTh7+7gs/l5w1lOkgbF6w7rkXLNslK7L2KYF4SPFLUcABOOLy8EETxh7h7/z9d62EiPu9CNpRrCOLxUhn+JUS+DuAAd8jdiCodW233N1acXhZGnulDKR3hiNsMdEIsijRPemewASoSCFpVj4utEE+eVFM146xfgC6DX39GaQ2zT3YKsWX3GiLwKtGffwqV7IlZIcBEVqMfTXSTZsY+dZm1MxxCZH0Zd33VY0yggDE0Wua7Lx6Bnad5n91qmHAnwSEJE5YIhQM634omd6cq9Wk4seJCUIn+ucoknrpxp0IR9QMxpKSMRHRUg2K8ZegnY3YqFunRZKCfsq9ufQEKgjZN12AFqi551KPBdn4/3V5HK6xTv0P4robSsE/BvuIfByvRf/W7ZrDx+CFC4EEcsBOACOZCrkhhqd5TkYKbe9RA+vs56+9N5qZGurkxcoKviiyEncxvTuShD65DK/6x6kMDMgQv/EdZDI3x9GtHTnRBYXwDGnPJ19w+q2zC3e2XarbxTGYQIPEC5mYx0gAA0sbjf018NGfwBhl6SB54iGsa8uLvR3jHv6OSRJgwxL6j7P0Ts4Hv2EtO12P0Lv21pwi3JC1O/WviSrKCvrQD5lMHL9Uym3hwFi2zu0mqwZvxOAbGy7kfOPXkLYKOHTZLthzKj3PsdjeceWBfYIvPGKYcd6wDr36d1aXSYS4IWeApTS2AQ2lu0DUcgSefAvsA8NkgOklvJY1cjTMSg6j6cxQo48Bvl8RAWGLbr4h2S/8KwDGxwLsSv0Gop/gnFc3GzCsmL0EkEyHHWkCA8YRXCghfW80KLDV495ff7yF5oiwK56GniqowZ3RG9Jxp5MXoJQgsLV1VMQFMAmsY69yz8eoxRH3wl9L0dMyndLulhWWzNwPMQ2I0yAWdzA/pksVmwTJTFenB3MHCiWc5rEwJ3yofe6NZZnZQrYyL9r1TNnVwfTwRUiykPiLSk4x9Mi6DX7RamDAxc8u3gDVfjPsTOTagBOEGUWlGAL54KE/E6sgCQ5DEAt12chk8AxbjBFLPgV+/idrzS0lZHOL+IVBI9D0i3Bq1yZcSIqcjZB0M3IbxbPm4gLAYOWEiTUN2ecsEHHg9nt6rhgffVoqSbCCFPbpC0xf7WOC3+BQORIZECOCC7cUAciXq3xn+GuxpFE40RWRJeKAK7bBQ21X89ABIXlQFkFddZ9kRvlZ2Pnl0oeF+2pjnZu0Yc2czNfZEQF2P7BKIdLrgMgxG89snxAY8qAYTCKyQw6xTG87wkjDcpy1wzsZLP3WsOuO7cAm7b27xU0jRKq8Cw4d1hDoyRG+RdS53F8RFJzVMaNNYgxU2tfRwUvXpTRXiOheeRVvh25+YGVnjakUXjx/dSDnOw4ETHGHD+7styDkeSfc3BdSZxswzc6OehgMI+xsCxeeRym15QUm9hxvg8X7Bfz/0WulgFwgzrm11TVynZYOmvyHpiZKoqQyQyKahIrfhwuchCr7lMsZ4a+umIkNkKxCLZnI+T7jd+eGFMgKItjz3kTTxRl3IhaJG3LbPmwRUJynMxQKdMi4Uf0qy0U7+i8hIJ9m50QXc+3tw2bwDSbx22XYJ9Wf14gxx5G5SPTb1JVCbhe4fxNt91xIxCow2zk62tzbYfRe6dfmDmgYHkv2PIEtMJZK8iKLDjFfu2ZUxsKT2A5g1q17og6o9MeXeuFS3mzJXJYFQZd+3UzlFR9qwkFkby9mg5y4XSeMvRLOHPt/H/r5SpEqBE6a9MadZYt61FBV152CUEzd43ihXtrAa0XH9HdsiySBcWI1SpM3mv9rRP0DiLjMUzHw/K1D8TE2f07zW4t/9kvE11tFj/NpICixQAAAAA=" + sdmf_old_shares[3] = 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+ sdmf_old_shares[4] = 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+ sdmf_old_shares[5] = 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+ sdmf_old_shares[6] = 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+ sdmf_old_shares[7] = 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+ sdmf_old_shares[8] = "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" + sdmf_old_shares[9] = "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" + sdmf_old_cap = "URI:SSK:gmjgofw6gan57gwpsow6gtrz3e:5adm6fayxmu3e4lkmfvt6lkkfix34ai2wop2ioqr4bgvvhiol3kq" + sdmf_old_contents = "This is a test file.\n" + def copy_sdmf_shares(self): + # We'll basically be short-circuiting the upload process. + servernums = self.g.servers_by_number.keys() + assert len(servernums) == 10 + + assignments = zip(self.sdmf_old_shares.keys(), servernums) + # Get the storage index. + cap = uri.from_string(self.sdmf_old_cap) + si = cap.get_storage_index() + + # Now execute each assignment by writing the storage. + for (share, servernum) in assignments: + sharedata = base64.b64decode(self.sdmf_old_shares[share]) + storedir = self.get_serverdir(servernum) + storage_path = os.path.join(storedir, "shares", + storage_index_to_dir(si)) + fileutil.make_dirs(storage_path) + fileutil.write(os.path.join(storage_path, "%d" % share), + sharedata) + # ...and verify that the shares are there. + shares = self.find_uri_shares(self.sdmf_old_cap) + assert len(shares) == 10 + + def test_new_downloader_can_read_old_shares(self): + self.basedir = "mutable/Interoperability/new_downloader_can_read_old_shares" + self.set_up_grid() + self.copy_sdmf_shares() + nm = self.g.clients[0].nodemaker + n = nm.create_from_cap(self.sdmf_old_cap) + d = n.download_best_version() + d.addCallback(self.failUnlessEqual, self.sdmf_old_contents) + return d