from foolscap.logging import log
from allmydata.storage_client import StorageFarmBroker
from allmydata.storage.common import storage_index_to_dir
+from allmydata.scripts import debug
from allmydata.mutable.filenode import MutableFileNode, BackoffAgent
from allmydata.mutable.common import ResponseCache, \
version=MDMF_VERSION)
def _then(n):
assert isinstance(n, MutableFileNode)
+ assert n._protocol_version == MDMF_VERSION
self.mdmf_node = n
return n
d.addCallback(_then)
d = self.nm.create_mutable_file(MutableData(self.small_data))
def _then(n):
assert isinstance(n, MutableFileNode)
+ assert n._protocol_version == SDMF_VERSION
self.sdmf_node = n
return n
d.addCallback(_then)
return d
+ def do_upload_empty_sdmf(self):
+ d = self.nm.create_mutable_file(MutableData(""))
+ def _then(n):
+ assert isinstance(n, MutableFileNode)
+ self.sdmf_zero_length_node = n
+ assert n._protocol_version == SDMF_VERSION
+ return n
+ d.addCallback(_then)
+ return d
+
def do_upload(self):
d = self.do_upload_mdmf()
d.addCallback(lambda ign: self.do_upload_sdmf())
return d
+ def test_debug(self):
+ d = self.do_upload_mdmf()
+ def _debug(n):
+ fso = debug.FindSharesOptions()
+ storage_index = base32.b2a(n.get_storage_index())
+ fso.si_s = storage_index
+ fso.nodedirs = [unicode(os.path.dirname(os.path.abspath(storedir)))
+ for (i,ss,storedir)
+ in self.iterate_servers()]
+ fso.stdout = StringIO()
+ fso.stderr = StringIO()
+ debug.find_shares(fso)
+ sharefiles = fso.stdout.getvalue().splitlines()
+ expected = self.nm.default_encoding_parameters["n"]
+ self.failUnlessEqual(len(sharefiles), expected)
+
+ do = debug.DumpOptions()
+ do["filename"] = sharefiles[0]
+ do.stdout = StringIO()
+ debug.dump_share(do)
+ output = do.stdout.getvalue()
+ lines = set(output.splitlines())
+ self.failUnless("Mutable slot found:" in lines, output)
+ self.failUnless(" share_type: MDMF" in lines, output)
+ self.failUnless(" num_extra_leases: 0" in lines, output)
+ self.failUnless(" MDMF contents:" in lines, output)
+ self.failUnless(" seqnum: 1" in lines, output)
+ self.failUnless(" required_shares: 3" in lines, output)
+ self.failUnless(" total_shares: 10" in lines, output)
+ self.failUnless(" segsize: 131073" in lines, output)
+ self.failUnless(" datalen: %d" % len(self.data) in lines, output)
+ vcap = n.get_verify_cap().to_string()
+ self.failUnless(" verify-cap: %s" % vcap in lines, output)
+
+ cso = debug.CatalogSharesOptions()
+ cso.nodedirs = fso.nodedirs
+ cso.stdout = StringIO()
+ cso.stderr = StringIO()
+ debug.catalog_shares(cso)
+ shares = cso.stdout.getvalue().splitlines()
+ oneshare = shares[0] # all shares should be MDMF
+ self.failIf(oneshare.startswith("UNKNOWN"), oneshare)
+ self.failUnless(oneshare.startswith("MDMF"), oneshare)
+ fields = oneshare.split()
+ self.failUnlessEqual(fields[0], "MDMF")
+ self.failUnlessEqual(fields[1], storage_index)
+ self.failUnlessEqual(fields[2], "3/10")
+ self.failUnlessEqual(fields[3], "%d" % len(self.data))
+ self.failUnless(fields[4].startswith("#1:"), fields[3])
+ # the rest of fields[4] is the roothash, which depends upon
+ # encryption salts and is not constant. fields[5] is the
+ # remaining time on the longest lease, which is timing dependent.
+ # The rest of the line is the quoted pathname to the share.
+ d.addCallback(_debug)
+ return d
+
def test_get_sequence_number(self):
d = self.do_upload()
d.addCallback(lambda ign: self.mdmf_node.get_best_readable_version())
d.addCallback(_read_data)
return d
+
def _test_partial_read(self, offset, length):
d = self.do_upload_mdmf()
d.addCallback(lambda ign: self.mdmf_node.get_best_readable_version())
d.addCallback(_check)
return d
- def test_partial_read_ending_on_segment_boundary(self):
- d = self.mdmf_node.get_best_readable_version()
- c = consumer.MemoryConsumer()
- offset = mathutil.next_multiple(128 * 1024, 3)
- start = offset - 50
- d.addCallback(lambda version:
- version.read(c, start, 51))
- expected = self.data[offset-50:offset+1]
- d.addCallback(lambda ignored:
- self.failUnlessEqual(expected, "".join(c.chunks)))
- return d
+ def test_partial_read_starting_on_segment_boundary(self):
+ return self._test_partial_read(mathutil.next_multiple(128 * 1024, 3), 50)
- def test_read(self):
- d = self.do_upload_mdmf()
- d.addCallback(lambda ign: self.mdmf_node.get_best_readable_version())
+ def test_partial_read_ending_one_byte_after_segment_boundary(self):
+ return self._test_partial_read(mathutil.next_multiple(128 * 1024, 3)-50, 51)
+
+ def test_partial_read_zero_length_at_start(self):
+ return self._test_partial_read(0, 0)
+
+ def test_partial_read_zero_length_in_middle(self):
+ return self._test_partial_read(50, 0)
+
+ def test_partial_read_zero_length_at_segment_boundary(self):
+ return self._test_partial_read(mathutil.next_multiple(128 * 1024, 3), 0)
+
+ # XXX factor these into a single upload after they pass
+ _broken = "zero-length reads of mutable files don't work"
+ test_partial_read_zero_length_at_start.todo = _broken
+ test_partial_read_zero_length_in_middle.todo = _broken
+ test_partial_read_zero_length_at_segment_boundary.todo = _broken
+
+ def _test_read_and_download(self, node, expected):
+ d = 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))
+ self.failUnlessEqual(expected, "".join(c.chunks)))
return d2
d.addCallback(_read_data)
+ d.addCallback(lambda ignored: node.download_best_version())
+ d.addCallback(lambda data: self.failUnlessEqual(expected, data))
return d
- def test_download_best_version(self):
- d = self.do_upload()
- d.addCallback(lambda ign: 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))
+ def test_read_and_download_mdmf(self):
+ d = self.do_upload_mdmf()
+ d.addCallback(self._test_read_and_download, self.data)
+ return d
+
+ def test_read_and_download_sdmf(self):
+ d = self.do_upload_sdmf()
+ d.addCallback(self._test_read_and_download, self.small_data)
+ return d
+
+ def test_read_and_download_sdmf_zero_length(self):
+ d = self.do_upload_empty_sdmf()
+ d.addCallback(self._test_read_and_download, "")
return d
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):
+ def do_upload_sdmf(self):
+ d = self.nm.create_mutable_file(MutableData(self.small_data))
+ def _then(n):
+ assert isinstance(n, MutableFileNode)
+ self.sdmf_node = n
+ # Make SDMF node that has 255 shares.
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
+ return self.nm.create_mutable_file(MutableData(self.small_data))
+ d.addCallback(_then)
+ def _then2(n):
+ assert isinstance(n, MutableFileNode)
+ self.sdmf_max_shares_node = n
+ d.addCallback(_then2)
+ return d
+ def do_upload_mdmf(self):
+ d = self.nm.create_mutable_file(MutableData(self.data),
+ version=MDMF_VERSION)
+ def _then(n):
+ assert isinstance(n, MutableFileNode)
+ self.mdmf_node = n
+ # Make MDMF node that has 255 shares.
+ self.nm.default_encoding_parameters['n'] = 255
+ self.nm.default_encoding_parameters['k'] = 127
+ return self.nm.create_mutable_file(MutableData(self.data),
+ version=MDMF_VERSION)
+ d.addCallback(_then)
+ def _then2(n):
+ assert isinstance(n, MutableFileNode)
+ self.mdmf_max_shares_node = n
+ d.addCallback(_then2)
+ return d
def _test_replace(self, offset, new_data):
expected = self.data[:offset]+new_data+self.data[offset+len(new_data):]
- 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
+ d0 = self.do_upload_mdmf()
+ def _run(ign):
+ d = defer.succeed(None)
+ for node in (self.mdmf_node, self.mdmf_max_shares_node):
+ d.addCallback(lambda ign: 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
+ d0.addCallback(_run)
+ return d0
def test_append(self):
# We should be able to append data to a mutable file and get
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
+ d0 = self.do_upload_mdmf()
+ def _run(ign):
+ expected = self.data
+ 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
+ d0.addCallback(_run)
+ return d0
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
+ d0 = self.do_upload_mdmf()
+ def _run(ign):
+ expected = self.data
+ 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
+ d0.addCallback(_run)
+ return d0
def test_append_power_of_two(self):
# 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
-
+ d0 = self.do_upload_mdmf()
+ def _run(ign):
+ d = defer.succeed(None)
+ for node in (self.mdmf_node, self.mdmf_max_shares_node):
+ d.addCallback(lambda ign: 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
+ d0.addCallback(_run)
+ return d0
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
+ d0 = self.do_upload_sdmf()
+ def _run(ign):
+ d = defer.succeed(None)
+ for node in (self.sdmf_node, self.sdmf_max_shares_node):
+ d.addCallback(lambda ign: 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
+ d0.addCallback(_run)
+ return d0
def test_replace_in_last_segment(self):
# The wrapper should know how to handle the tail segment
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
-
+ d0 = self.do_upload_mdmf()
+ def _run(ign):
+ d = defer.succeed(None)
+ for node in (self.mdmf_node, self.mdmf_max_shares_node):
+ d.addCallback(lambda ign: 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
+ d0.addCallback(_run)
+ return d0
def test_multiple_segment_replace(self):
replace_offset = 2 * DEFAULT_MAX_SEGMENT_SIZE
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
+ d0 = self.do_upload_mdmf()
+ def _run(ign):
+ d = defer.succeed(None)
+ for node in (self.mdmf_node, self.mdmf_max_shares_node):
+ d.addCallback(lambda ign: 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
+ d0.addCallback(_run)
+ return d0
class Interoperability(GridTestMixin, unittest.TestCase, testutil.ShouldFailMixin):
sdmf_old_shares = {}
projects / tahoe-lafs / tahoe-lafs.git / blobdiff