2 # system-level upload+download roundtrip test, but using shares created from
3 # a previous run. This asserts that the current code is capable of decoding
4 # shares from a previous version.
7 from twisted.trial import unittest
8 from twisted.internet import defer, reactor
9 from allmydata import uri
10 from allmydata.storage.server import storage_index_to_dir
11 from allmydata.util import base32, fileutil, spans, log
12 from allmydata.util.consumer import download_to_data, MemoryConsumer
13 from allmydata.immutable import upload, layout
14 from allmydata.test.no_network import GridTestMixin
15 from allmydata.test.common import ShouldFailMixin
16 from allmydata.interfaces import NotEnoughSharesError, NoSharesError
17 from allmydata.immutable.downloader.common import BadSegmentNumberError, \
18 BadCiphertextHashError, DownloadStopped
19 from allmydata.immutable.downloader.status import DownloadStatus
20 from allmydata.codec import CRSDecoder
21 from foolscap.eventual import fireEventually, flushEventualQueue
23 plaintext = "This is a moderate-sized file.\n" * 10
24 mutable_plaintext = "This is a moderate-sized mutable file.\n" * 10
26 # this chunk was generated by create_share(), written to disk, then pasted
27 # into this file. These shares were created by 1.2.0-r3247, a version that's
28 # probably fairly close to 1.3.0 .
29 #--------- BEGIN stored_shares.py --------------
30 immutable_uri = "URI:CHK:g4i6qkk7mlj4vkl5ncg6dwo73i:qcas2ebousfk3q5rkl2ncayeku52kpyse76v5yeel2t2eaa4f6ha:3:10:310"
33 0: base32.a2b("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"),
34 5: base32.a2b("aaaaaaiaaacyeaaaaaaqaaaaaeaaaadiaaaaa2aaaaaciaaaacgaaaaavqaaaagmaaaab3aaaaazmsdsvwbnfx2rnh7dusqniqomsdeetuafps6cawyb4pzxpkzal7w5ufaknxfnqw2qywv4c3a2zlumb2x2rx5osbxd3kqmebjndqf7zihbtagqczgwrka5rnywtsaeyijyh26okua2u7loep2nzo5etirjrxmp3yxpb4pheusaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaactwxn7tsxj2nh6skwbghycguqfj7xrpegeporex5ebctynbgbl7zs3zcg7igd2xoa4eu3lffqginpmoxrshqe6n3hzpocihgeu4vvymaadjz54nelgyi47767pkbsjwdjgsv7uyd5ntrztw6juavj7sd7wx7aaacx7wxlycyjniwxvby4ar546ncb4d3jnbhssnq4n4l4xeajurmn5diabgxwi6i5d2ysny3vavrm3a5lsuvng5mhbzk7axesyeddzw6uzmnluaakglpei35aypk5ydqstnmuwazbv5r26gi6atzxm7f5yja4ystswxbqaakbsqnrh4voyrc2wq53ehkcvkpzxdm6fgz4e4qmx5yeo35t7nz3ceaaaae4gg33emvrv63tbnvstumz2mnzhglddn5sgky27obqxeylnom5dqortgezc2mzngeycyy3spfyhi5dfpb2f62dbonudumzshkl7fjw5sp7x3yw4sdhze6qf7zgsjocpqtwl2gj5o6vufvixto3u2lddoj4xa5dumv4hix3sn5xxix3imfzwqortgi5fhno37hfotu2p5evmcmpqenjakt7pc6imi65cjp2icfhq2cmcx7rmnzswkzdfmrpxg2dbojsxgorrhizsy3tvnvpxgzlhnvsw45dthiytumjmonswo3lfnz2f643jpjstumz2gmyteldtnbqxezk7ojxw65c7nbqxg2b2gmzdubzmius26hljzu4j7gq5hdshwueqcfjc2bmveiyqbdxgyejetzovfrzws6tfhiztumzrgawhiyljnrpwg33emvrv64dbojqw24z2ha5dgmjsfuzs2mjqfr2g65dbnrpxg2dbojsxgorshiytalaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaabj5uiln36za2n4oyier7k5e4sx6newmmflfqhj7xffy32p5iohlyf33bdx5dafkfwr7rxwxjcsg3ljflkaae537llwnnykgf36h52dojfplbwi"),
37 2: base32.a2b("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"),
38 7: base32.a2b("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"),
41 1: base32.a2b("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"),
42 6: base32.a2b("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"),
45 4: base32.a2b("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"),
46 9: base32.a2b("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"),
49 3: base32.a2b("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"),
50 8: base32.a2b("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"),
54 mutable_uri = "URI:SSK:vfvcbdfbszyrsaxchgevhmmlii:euw4iw7bbnkrrwpzuburbhppuxhc3gwxv26f6imekhz7zyw2ojnq"
57 2: base32.a2b("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"),
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61 3: base32.a2b("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"),
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77 #--------- END stored_shares.py ----------------
79 class _Base(GridTestMixin, ShouldFailMixin):
81 def create_shares(self, ignored=None):
82 u = upload.Data(plaintext, None)
84 f = open("stored_shares.py", "w")
85 def _created_immutable(ur):
86 # write the generated shares and URI to a file, which can then be
87 # incorporated into this one next time.
88 f.write('immutable_uri = "%s"\n' % ur.uri)
89 f.write('immutable_shares = {\n')
90 si = uri.from_string(ur.uri).get_storage_index()
91 si_dir = storage_index_to_dir(si)
92 for (i,ss,ssdir) in self.iterate_servers():
93 sharedir = os.path.join(ssdir, "shares", si_dir)
95 for fn in os.listdir(sharedir):
97 sharedata = open(os.path.join(sharedir, fn), "rb").read()
98 shares[shnum] = sharedata
99 fileutil.rm_dir(sharedir)
101 f.write(' %d: { # client[%d]\n' % (i, i))
102 for shnum in sorted(shares.keys()):
103 f.write(' %d: base32.a2b("%s"),\n' %
104 (shnum, base32.b2a(shares[shnum])))
109 d.addCallback(_created_immutable)
111 d.addCallback(lambda ignored:
112 self.c0.create_mutable_file(mutable_plaintext))
113 def _created_mutable(n):
114 f.write('mutable_uri = "%s"\n' % n.get_uri())
115 f.write('mutable_shares = {\n')
116 si = uri.from_string(n.get_uri()).get_storage_index()
117 si_dir = storage_index_to_dir(si)
118 for (i,ss,ssdir) in self.iterate_servers():
119 sharedir = os.path.join(ssdir, "shares", si_dir)
121 for fn in os.listdir(sharedir):
123 sharedata = open(os.path.join(sharedir, fn), "rb").read()
124 shares[shnum] = sharedata
125 fileutil.rm_dir(sharedir)
127 f.write(' %d: { # client[%d]\n' % (i, i))
128 for shnum in sorted(shares.keys()):
129 f.write(' %d: base32.a2b("%s"),\n' %
130 (shnum, base32.b2a(shares[shnum])))
135 d.addCallback(_created_mutable)
143 def load_shares(self, ignored=None):
144 # this uses the data generated by create_shares() to populate the
145 # storage servers with pre-generated shares
146 si = uri.from_string(immutable_uri).get_storage_index()
147 si_dir = storage_index_to_dir(si)
148 for i in immutable_shares:
149 shares = immutable_shares[i]
151 dn = os.path.join(self.get_serverdir(i), "shares", si_dir)
152 fileutil.make_dirs(dn)
153 fn = os.path.join(dn, str(shnum))
155 f.write(shares[shnum])
158 si = uri.from_string(mutable_uri).get_storage_index()
159 si_dir = storage_index_to_dir(si)
160 for i in mutable_shares:
161 shares = mutable_shares[i]
163 dn = os.path.join(self.get_serverdir(i), "shares", si_dir)
164 fileutil.make_dirs(dn)
165 fn = os.path.join(dn, str(shnum))
167 f.write(shares[shnum])
170 def download_immutable(self, ignored=None):
171 n = self.c0.create_node_from_uri(immutable_uri)
172 d = download_to_data(n)
174 self.failUnlessEqual(data, plaintext)
175 d.addCallback(_got_data)
176 # make sure we can use the same node twice
177 d.addCallback(lambda ign: download_to_data(n))
178 d.addCallback(_got_data)
181 def download_mutable(self, ignored=None):
182 n = self.c0.create_node_from_uri(mutable_uri)
183 d = n.download_best_version()
185 self.failUnlessEqual(data, mutable_plaintext)
186 d.addCallback(_got_data)
189 class DownloadTest(_Base, unittest.TestCase):
190 timeout = 2400 # It takes longer than 240 seconds on Zandr's ARM box.
191 def test_download(self):
192 self.basedir = self.mktemp()
194 self.c0 = self.g.clients[0]
196 # do this to create the shares
197 #return self.create_shares()
200 d = self.download_immutable()
201 d.addCallback(self.download_mutable)
204 def test_download_failover(self):
205 self.basedir = self.mktemp()
207 self.c0 = self.g.clients[0]
210 si = uri.from_string(immutable_uri).get_storage_index()
211 si_dir = storage_index_to_dir(si)
213 n = self.c0.create_node_from_uri(immutable_uri)
214 d = download_to_data(n)
216 self.failUnlessEqual(data, plaintext)
217 d.addCallback(_got_data)
219 def _clobber_some_shares(ign):
220 # find the three shares that were used, and delete them. Then
221 # download again, forcing the downloader to fail over to other
223 for s in n._cnode._node._shares:
224 for clientnum in immutable_shares:
225 for shnum in immutable_shares[clientnum]:
226 if s._shnum == shnum:
227 fn = os.path.join(self.get_serverdir(clientnum),
228 "shares", si_dir, str(shnum))
230 d.addCallback(_clobber_some_shares)
231 d.addCallback(lambda ign: download_to_data(n))
232 d.addCallback(_got_data)
234 def _clobber_most_shares(ign):
235 # delete all but one of the shares that are still alive
236 live_shares = [s for s in n._cnode._node._shares if s.is_alive()]
237 save_me = live_shares[0]._shnum
238 for clientnum in immutable_shares:
239 for shnum in immutable_shares[clientnum]:
242 fn = os.path.join(self.get_serverdir(clientnum),
243 "shares", si_dir, str(shnum))
244 if os.path.exists(fn):
246 # now the download should fail with NotEnoughSharesError
247 return self.shouldFail(NotEnoughSharesError, "1shares", None,
249 d.addCallback(_clobber_most_shares)
251 def _clobber_all_shares(ign):
252 # delete the last remaining share
253 for clientnum in immutable_shares:
254 for shnum in immutable_shares[clientnum]:
255 fn = os.path.join(self.get_serverdir(clientnum),
256 "shares", si_dir, str(shnum))
257 if os.path.exists(fn):
259 # now a new download should fail with NoSharesError. We want a
260 # new ImmutableFileNode so it will forget about the old shares.
261 # If we merely called create_node_from_uri() without first
262 # dereferencing the original node, the NodeMaker's _node_cache
263 # would give us back the old one.
265 n = self.c0.create_node_from_uri(immutable_uri)
266 return self.shouldFail(NoSharesError, "0shares", None,
268 d.addCallback(_clobber_all_shares)
271 def test_lost_servers(self):
272 # while downloading a file (after seg[0], before seg[1]), lose the
273 # three servers that we were using. The download should switch over
275 self.basedir = self.mktemp()
277 self.c0 = self.g.clients[0]
279 # upload a file with multiple segments, so we can catch the download
281 u = upload.Data(plaintext, None)
282 u.max_segment_size = 70 # 5 segs
283 d = self.c0.upload(u)
286 self.n = self.c0.create_node_from_uri(self.uri)
287 return download_to_data(self.n)
288 d.addCallback(_uploaded)
290 self.failUnlessEqual(data, plaintext)
291 d.addCallback(_got_data)
292 def _kill_some_servers():
293 # find the three shares that were used, and delete them. Then
294 # download again, forcing the downloader to fail over to other
297 shares = sorted([s._shnum for s in self.n._cnode._node._shares])
298 self.failUnlessEqual(shares, [0,1,2])
299 # break the RIBucketReader references
300 for s in self.n._cnode._node._shares:
301 s._rref.broken = True
302 for servernum in immutable_shares:
303 for shnum in immutable_shares[servernum]:
304 if s._shnum == shnum:
305 ss = self.g.servers_by_number[servernum]
307 # and, for good measure, break the RIStorageServer references
308 # too, just in case the downloader gets more aggressive in the
309 # future and tries to re-fetch the same share.
311 wrapper = self.g.servers_by_id[ss.my_nodeid]
312 wrapper.broken = True
313 def _download_again(ign):
314 c = StallingConsumer(_kill_some_servers)
315 return self.n.read(c)
316 d.addCallback(_download_again)
317 def _check_failover(c):
318 self.failUnlessEqual("".join(c.chunks), plaintext)
319 shares = sorted([s._shnum for s in self.n._cnode._node._shares])
320 # we should now be using more shares than we were before
321 self.failIfEqual(shares, [0,1,2])
322 d.addCallback(_check_failover)
325 def test_long_offset(self):
326 # bug #1154: mplayer doing a seek-to-end results in an offset of type
327 # 'long', rather than 'int', and apparently __len__ is required to
328 # return an int. Rewrote Spans/DataSpans to provide s.len() instead
330 self.basedir = self.mktemp()
332 self.c0 = self.g.clients[0]
334 n = self.c0.create_node_from_uri(immutable_uri)
337 d = n.read(c, 0L, 10L)
338 d.addCallback(lambda c: len("".join(c.chunks)))
339 d.addCallback(lambda size: self.failUnlessEqual(size, 10))
342 def test_badguess(self):
343 self.basedir = self.mktemp()
345 self.c0 = self.g.clients[0]
347 n = self.c0.create_node_from_uri(immutable_uri)
349 # Cause the downloader to guess a segsize that's too low, so it will
350 # ask for a segment number that's too high (beyond the end of the
351 # real list, causing BadSegmentNumberError), to exercise
352 # Segmentation._retry_bad_segment
353 n._cnode._maybe_create_download_node()
354 n._cnode._node._build_guessed_tables(90)
356 con1 = MemoryConsumer()
357 # plaintext size of 310 bytes, wrong-segsize of 90 bytes, will make
358 # us think that file[180:200] is in the third segment (segnum=2), but
359 # really there's only one segment
360 d = n.read(con1, 180, 20)
362 self.failUnlessEqual("".join(con1.chunks), plaintext[180:200])
366 def test_simultaneous_badguess(self):
367 self.basedir = self.mktemp()
369 self.c0 = self.g.clients[0]
371 # upload a file with multiple segments, and a non-default segsize, to
372 # exercise the offset-guessing code. Because we don't tell the
373 # downloader about the unusual segsize, it will guess wrong, and have
374 # to do extra roundtrips to get the correct data.
375 u = upload.Data(plaintext, None)
376 u.max_segment_size = 70 # 5 segs, 8-wide hashtree
377 con1 = MemoryConsumer()
378 con2 = MemoryConsumer()
379 d = self.c0.upload(u)
381 n = self.c0.create_node_from_uri(ur.uri)
382 d1 = n.read(con1, 70, 20)
383 d2 = n.read(con2, 140, 20)
384 return defer.gatherResults([d1,d2])
385 d.addCallback(_uploaded)
387 self.failUnlessEqual("".join(con1.chunks), plaintext[70:90])
388 self.failUnlessEqual("".join(con2.chunks), plaintext[140:160])
392 def test_simultaneous_goodguess(self):
393 self.basedir = self.mktemp()
395 self.c0 = self.g.clients[0]
397 # upload a file with multiple segments, and a non-default segsize, to
398 # exercise the offset-guessing code. This time we *do* tell the
399 # downloader about the unusual segsize, so it can guess right.
400 u = upload.Data(plaintext, None)
401 u.max_segment_size = 70 # 5 segs, 8-wide hashtree
402 con1 = MemoryConsumer()
403 con2 = MemoryConsumer()
404 d = self.c0.upload(u)
406 n = self.c0.create_node_from_uri(ur.uri)
407 n._cnode._maybe_create_download_node()
408 n._cnode._node._build_guessed_tables(u.max_segment_size)
409 d1 = n.read(con1, 70, 20)
410 d2 = n.read(con2, 140, 20)
411 return defer.gatherResults([d1,d2])
412 d.addCallback(_uploaded)
414 self.failUnlessEqual("".join(con1.chunks), plaintext[70:90])
415 self.failUnlessEqual("".join(con2.chunks), plaintext[140:160])
419 def test_sequential_goodguess(self):
420 self.basedir = self.mktemp()
422 self.c0 = self.g.clients[0]
423 data = (plaintext*100)[:30000] # multiple of k
425 # upload a file with multiple segments, and a non-default segsize, to
426 # exercise the offset-guessing code. This time we *do* tell the
427 # downloader about the unusual segsize, so it can guess right.
428 u = upload.Data(data, None)
429 u.max_segment_size = 6000 # 5 segs, 8-wide hashtree
430 con1 = MemoryConsumer()
431 con2 = MemoryConsumer()
432 d = self.c0.upload(u)
434 n = self.c0.create_node_from_uri(ur.uri)
435 n._cnode._maybe_create_download_node()
436 n._cnode._node._build_guessed_tables(u.max_segment_size)
437 d = n.read(con1, 12000, 20)
439 self.failUnlessEqual("".join(con1.chunks), data[12000:12020])
440 return n.read(con2, 24000, 20)
441 d.addCallback(_read1)
443 self.failUnlessEqual("".join(con2.chunks), data[24000:24020])
444 d.addCallback(_read2)
446 d.addCallback(_uploaded)
450 def test_simultaneous_get_blocks(self):
451 self.basedir = self.mktemp()
453 self.c0 = self.g.clients[0]
458 n = self.c0.create_node_from_uri(immutable_uri)
459 d = download_to_data(n)
460 def _use_shares(ign):
461 shares = list(n._cnode._node._shares)
463 # make sure .cancel works too
465 o0.subscribe(lambda **kwargs: stay_empty.append(kwargs))
469 o3 = s0.get_block(1) # state=BADSEGNUM
470 d1 = defer.Deferred()
471 d2 = defer.Deferred()
472 d3 = defer.Deferred()
473 o1.subscribe(lambda **kwargs: d1.callback(kwargs))
474 o2.subscribe(lambda **kwargs: d2.callback(kwargs))
475 o3.subscribe(lambda **kwargs: d3.callback(kwargs))
476 return defer.gatherResults([d1,d2,d3])
477 d.addCallback(_use_shares)
480 self.failUnlessEqual(r1["state"], "COMPLETE")
481 self.failUnlessEqual(r2["state"], "COMPLETE")
482 self.failUnlessEqual(r3["state"], "BADSEGNUM")
483 self.failUnless("block" in r1)
484 self.failUnless("block" in r2)
485 self.failIf(stay_empty)
489 def test_simultaneous_onefails_onecancelled(self):
490 # This exercises an mplayer behavior in ticket #1154. I believe that
491 # mplayer made two simultaneous webapi GET requests: first one for an
492 # index region at the end of the (mp3/video) file, then one for the
493 # first block of the file (the order doesn't really matter). All GETs
494 # failed (NoSharesError) because of the type(__len__)==long bug. Each
495 # GET submitted a DownloadNode.get_segment() request, which was
496 # queued by the DN (DN._segment_requests), so the second one was
497 # blocked waiting on the first one. When the first one failed,
498 # DN.fetch_failed() was invoked, which errbacks the first GET, but
499 # left the other one hanging (the lost-progress bug mentioned in
502 # Then mplayer sees that the index region GET failed, so it cancels
503 # the first-block GET (by closing the HTTP request), triggering
504 # stopProducer. The second GET was waiting in the Deferred (between
505 # n.get_segment() and self._request_retired), so its
506 # _cancel_segment_request was active, so was invoked. However,
507 # DN._active_segment was None since it was not working on any segment
508 # at that time, hence the error in #1154.
510 self.basedir = self.mktemp()
512 self.c0 = self.g.clients[0]
514 # upload a file with multiple segments, so we can catch the download
515 # in the middle. Tell the downloader, so it can guess correctly.
516 u = upload.Data(plaintext, None)
517 u.max_segment_size = 70 # 5 segs
518 d = self.c0.upload(u)
520 # corrupt all the shares so the download will fail
521 def _corruptor(s, debug=False):
522 which = 48 # first byte of block0
523 return s[:which] + chr(ord(s[which])^0x01) + s[which+1:]
524 self.corrupt_all_shares(ur.uri, _corruptor)
525 n = self.c0.create_node_from_uri(ur.uri)
526 n._cnode._maybe_create_download_node()
527 n._cnode._node._build_guessed_tables(u.max_segment_size)
528 con1 = MemoryConsumer()
529 con2 = MemoryConsumer()
530 d = n.read(con1, 0L, 20)
531 d2 = n.read(con2, 140L, 20)
532 # con2 will be cancelled, so d2 should fail with DownloadStopped
533 def _con2_should_not_succeed(res):
534 self.fail("the second read should not have succeeded")
536 self.failUnless(f.check(DownloadStopped))
537 d2.addCallbacks(_con2_should_not_succeed, _con2_failed)
539 def _con1_should_not_succeed(res):
540 self.fail("the first read should not have succeeded")
542 self.failUnless(f.check(NotEnoughSharesError))
543 con2.producer.stopProducing()
545 d.addCallbacks(_con1_should_not_succeed, _con1_failed)
547 d.addCallback(_uploaded)
550 def test_simultaneous_onefails(self):
551 self.basedir = self.mktemp()
553 self.c0 = self.g.clients[0]
555 # upload a file with multiple segments, so we can catch the download
556 # in the middle. Tell the downloader, so it can guess correctly.
557 u = upload.Data(plaintext, None)
558 u.max_segment_size = 70 # 5 segs
559 d = self.c0.upload(u)
561 # corrupt all the shares so the download will fail
562 def _corruptor(s, debug=False):
563 which = 48 # first byte of block0
564 return s[:which] + chr(ord(s[which])^0x01) + s[which+1:]
565 self.corrupt_all_shares(ur.uri, _corruptor)
566 n = self.c0.create_node_from_uri(ur.uri)
567 n._cnode._maybe_create_download_node()
568 n._cnode._node._build_guessed_tables(u.max_segment_size)
569 con1 = MemoryConsumer()
570 con2 = MemoryConsumer()
571 d = n.read(con1, 0L, 20)
572 d2 = n.read(con2, 140L, 20)
573 # con2 should wait for con1 to fail and then con2 should succeed.
574 # In particular, we should not lose progress. If this test fails,
575 # it will fail with a timeout error.
576 def _con2_should_succeed(res):
577 # this should succeed because we only corrupted the first
578 # segment of each share. The segment that holds [140:160] is
579 # fine, as are the hash chains and UEB.
580 self.failUnlessEqual("".join(con2.chunks), plaintext[140:160])
581 d2.addCallback(_con2_should_succeed)
583 def _con1_should_not_succeed(res):
584 self.fail("the first read should not have succeeded")
586 self.failUnless(f.check(NotEnoughSharesError))
587 # we *don't* cancel the second one here: this exercises a
588 # lost-progress bug from #1154. We just wait for it to
591 d.addCallbacks(_con1_should_not_succeed, _con1_failed)
593 d.addCallback(_uploaded)
596 def test_download_no_overrun(self):
597 self.basedir = self.mktemp()
599 self.c0 = self.g.clients[0]
603 # tweak the client's copies of server-version data, so it believes
604 # that they're old and can't handle reads that overrun the length of
605 # the share. This exercises a different code path.
606 for (peerid, rref) in self.c0.storage_broker.get_all_servers():
607 v1 = rref.version["http://allmydata.org/tahoe/protocols/storage/v1"]
608 v1["tolerates-immutable-read-overrun"] = False
610 n = self.c0.create_node_from_uri(immutable_uri)
611 d = download_to_data(n)
613 self.failUnlessEqual(data, plaintext)
614 d.addCallback(_got_data)
617 def test_download_segment(self):
618 self.basedir = self.mktemp()
620 self.c0 = self.g.clients[0]
622 n = self.c0.create_node_from_uri(immutable_uri)
624 (d,c) = cn.get_segment(0)
625 def _got_segment((offset,data,decodetime)):
626 self.failUnlessEqual(offset, 0)
627 self.failUnlessEqual(len(data), len(plaintext))
628 d.addCallback(_got_segment)
631 def test_download_segment_cancel(self):
632 self.basedir = self.mktemp()
634 self.c0 = self.g.clients[0]
636 n = self.c0.create_node_from_uri(immutable_uri)
638 (d,c) = cn.get_segment(0)
640 d.addCallback(fired.append)
643 d.addCallback(flushEventualQueue)
645 self.failUnlessEqual(fired, [])
646 d.addCallback(_check)
649 def test_download_bad_segment(self):
650 self.basedir = self.mktemp()
652 self.c0 = self.g.clients[0]
654 n = self.c0.create_node_from_uri(immutable_uri)
657 (d,c) = cn.get_segment(1)
659 d = self.shouldFail(BadSegmentNumberError, "badseg",
660 "segnum=1, numsegs=1",
664 def test_download_segment_terminate(self):
665 self.basedir = self.mktemp()
667 self.c0 = self.g.clients[0]
669 n = self.c0.create_node_from_uri(immutable_uri)
671 (d,c) = cn.get_segment(0)
673 d.addCallback(fired.append)
674 self.c0.terminator.disownServiceParent()
676 d.addCallback(flushEventualQueue)
678 self.failUnlessEqual(fired, [])
679 d.addCallback(_check)
682 def test_pause(self):
683 self.basedir = self.mktemp()
685 self.c0 = self.g.clients[0]
687 n = self.c0.create_node_from_uri(immutable_uri)
688 c = PausingConsumer()
691 newdata = "".join(mc.chunks)
692 self.failUnlessEqual(newdata, plaintext)
693 d.addCallback(_downloaded)
696 def test_pause_then_stop(self):
697 self.basedir = self.mktemp()
699 self.c0 = self.g.clients[0]
701 n = self.c0.create_node_from_uri(immutable_uri)
702 c = PausingAndStoppingConsumer()
703 d = self.shouldFail(DownloadStopped, "test_pause_then_stop",
704 "our Consumer called stopProducing()",
709 # use a download target that stops after the first segment (#473)
710 self.basedir = self.mktemp()
712 self.c0 = self.g.clients[0]
714 n = self.c0.create_node_from_uri(immutable_uri)
715 c = StoppingConsumer()
716 d = self.shouldFail(DownloadStopped, "test_stop",
717 "our Consumer called stopProducing()",
721 def test_stop_immediately(self):
722 # and a target that stops right after registerProducer (maybe #1154)
723 self.basedir = self.mktemp()
725 self.c0 = self.g.clients[0]
727 n = self.c0.create_node_from_uri(immutable_uri)
729 c = ImmediatelyStoppingConsumer() # stops after registerProducer
730 d = self.shouldFail(DownloadStopped, "test_stop_immediately",
731 "our Consumer called stopProducing()",
735 def test_stop_immediately2(self):
736 # and a target that stops right after registerProducer (maybe #1154)
737 self.basedir = self.mktemp()
739 self.c0 = self.g.clients[0]
741 n = self.c0.create_node_from_uri(immutable_uri)
745 c.producer.stopProducing()
746 d = self.shouldFail(DownloadStopped, "test_stop_immediately",
747 "our Consumer called stopProducing()",
751 def test_download_segment_bad_ciphertext_hash(self):
752 # The crypttext_hash_tree asserts the integrity of the decoded
753 # ciphertext, and exists to detect two sorts of problems. The first
754 # is a bug in zfec decode. The second is the "two-sided t-shirt"
755 # attack (found by Christian Grothoff), in which a malicious uploader
756 # creates two sets of shares (one for file A, second for file B),
757 # uploads a combination of them (shares 0-4 of A, 5-9 of B), and then
758 # builds an otherwise normal UEB around those shares: their goal is
759 # to give their victim a filecap which sometimes downloads the good A
760 # contents, and sometimes the bad B contents, depending upon which
761 # servers/shares they can get to. Having a hash of the ciphertext
762 # forces them to commit to exactly one version. (Christian's prize
763 # for finding this problem was a t-shirt with two sides: the shares
764 # of file A on the front, B on the back).
766 # creating a set of shares with this property is too hard, although
767 # it'd be nice to do so and confirm our fix. (it requires a lot of
768 # tampering with the uploader). So instead, we just damage the
769 # decoder. The tail decoder is rebuilt each time, so we need to use a
770 # file with multiple segments.
771 self.basedir = self.mktemp()
773 self.c0 = self.g.clients[0]
775 u = upload.Data(plaintext, None)
776 u.max_segment_size = 60 # 6 segs
777 d = self.c0.upload(u)
779 n = self.c0.create_node_from_uri(ur.uri)
780 n._cnode._maybe_create_download_node()
781 n._cnode._node._build_guessed_tables(u.max_segment_size)
783 d = download_to_data(n)
784 def _break_codec(data):
785 # the codec isn't created until the UEB is retrieved
786 node = n._cnode._node
787 vcap = node._verifycap
788 k, N = vcap.needed_shares, vcap.total_shares
789 bad_codec = BrokenDecoder()
790 bad_codec.set_params(node.segment_size, k, N)
791 node._codec = bad_codec
792 d.addCallback(_break_codec)
793 # now try to download it again. The broken codec will provide
794 # ciphertext that fails the hash test.
795 d.addCallback(lambda ign:
796 self.shouldFail(BadCiphertextHashError, "badhash",
798 "ciphertext_hash_tree: segnum=0",
799 download_to_data, n))
801 d.addCallback(_uploaded)
804 def OFFtest_download_segment_XXX(self):
805 self.basedir = self.mktemp()
807 self.c0 = self.g.clients[0]
809 # upload a file with multiple segments, and a non-default segsize, to
810 # exercise the offset-guessing code. This time we *do* tell the
811 # downloader about the unusual segsize, so it can guess right.
812 u = upload.Data(plaintext, None)
813 u.max_segment_size = 70 # 5 segs, 8-wide hashtree
814 con1 = MemoryConsumer()
815 con2 = MemoryConsumer()
816 d = self.c0.upload(u)
818 n = self.c0.create_node_from_uri(ur.uri)
819 n._cnode._maybe_create_download_node()
820 n._cnode._node._build_guessed_tables(u.max_segment_size)
821 d1 = n.read(con1, 70, 20)
822 #d2 = n.read(con2, 140, 20)
823 d2 = defer.succeed(None)
824 return defer.gatherResults([d1,d2])
825 d.addCallback(_uploaded)
827 self.failUnlessEqual("".join(con1.chunks), plaintext[70:90])
828 self.failUnlessEqual("".join(con2.chunks), plaintext[140:160])
829 #d.addCallback(_done)
832 def test_duplicate_shares(self):
833 self.basedir = self.mktemp()
835 self.c0 = self.g.clients[0]
838 # make sure everybody has a copy of sh0. The second server contacted
839 # will report two shares, and the ShareFinder will handle the
840 # duplicate by attaching both to the same CommonShare instance.
841 si = uri.from_string(immutable_uri).get_storage_index()
842 si_dir = storage_index_to_dir(si)
843 sh0_file = [sharefile
844 for (shnum, serverid, sharefile)
845 in self.find_uri_shares(immutable_uri)
847 sh0_data = open(sh0_file, "rb").read()
848 for clientnum in immutable_shares:
849 if 0 in immutable_shares[clientnum]:
851 cdir = self.get_serverdir(clientnum)
852 target = os.path.join(cdir, "shares", si_dir, "0")
853 outf = open(target, "wb")
857 d = self.download_immutable()
860 def test_verifycap(self):
861 self.basedir = self.mktemp()
863 self.c0 = self.g.clients[0]
866 n = self.c0.create_node_from_uri(immutable_uri)
867 vcap = n.get_verify_cap().to_string()
868 vn = self.c0.create_node_from_uri(vcap)
869 d = download_to_data(vn)
870 def _got_ciphertext(ciphertext):
871 self.failUnlessEqual(len(ciphertext), len(plaintext))
872 self.failIfEqual(ciphertext, plaintext)
873 d.addCallback(_got_ciphertext)
876 class BrokenDecoder(CRSDecoder):
877 def decode(self, shares, shareids):
878 d = CRSDecoder.decode(self, shares, shareids)
879 def _decoded(buffers):
880 def _corruptor(s, which):
881 return s[:which] + chr(ord(s[which])^0x01) + s[which+1:]
882 buffers[0] = _corruptor(buffers[0], 0) # flip lsb of first byte
884 d.addCallback(_decoded)
888 class PausingConsumer(MemoryConsumer):
890 MemoryConsumer.__init__(self)
893 def write(self, data):
894 self.size += len(data)
897 # we happen to use 4 segments, and want to avoid pausing on the
898 # last one (since then the _unpause timer will still be running)
899 self.producer.pauseProducing()
900 reactor.callLater(0.1, self._unpause)
901 return MemoryConsumer.write(self, data)
903 self.producer.resumeProducing()
905 class PausingAndStoppingConsumer(PausingConsumer):
906 def write(self, data):
907 self.producer.pauseProducing()
908 reactor.callLater(0.5, self._stop)
910 self.producer.stopProducing()
912 class StoppingConsumer(PausingConsumer):
913 def write(self, data):
914 self.producer.stopProducing()
916 class ImmediatelyStoppingConsumer(MemoryConsumer):
917 def registerProducer(self, p, streaming):
918 MemoryConsumer.registerProducer(self, p, streaming)
919 self.producer.stopProducing()
921 class StallingConsumer(MemoryConsumer):
922 def __init__(self, halfway_cb):
923 MemoryConsumer.__init__(self)
924 self.halfway_cb = halfway_cb
926 def write(self, data):
930 return MemoryConsumer.write(self, data)
932 class Corruption(_Base, unittest.TestCase):
934 def _corrupt_flip(self, ign, imm_uri, which):
935 log.msg("corrupt %d" % which)
936 def _corruptor(s, debug=False):
937 return s[:which] + chr(ord(s[which])^0x01) + s[which+1:]
938 self.corrupt_shares_numbered(imm_uri, [0], _corruptor)
940 def _corrupt_set(self, ign, imm_uri, which, newvalue):
941 log.msg("corrupt %d" % which)
942 def _corruptor(s, debug=False):
943 return s[:which] + chr(newvalue) + s[which+1:]
944 self.corrupt_shares_numbered(imm_uri, [0], _corruptor)
946 def test_each_byte(self):
947 # Setting catalog_detection=True performs an exhaustive test of the
948 # Downloader's response to corruption in the lsb of each byte of the
949 # 2070-byte share, with two goals: make sure we tolerate all forms of
950 # corruption (i.e. don't hang or return bad data), and make a list of
951 # which bytes can be corrupted without influencing the download
952 # (since we don't need every byte of the share). That takes 50s to
953 # run on my laptop and doesn't have any actual asserts, so we don't
955 self.catalog_detection = False
957 self.basedir = "download/Corruption/each_byte"
959 self.c0 = self.g.clients[0]
961 # to exercise the block-hash-tree code properly, we need to have
962 # multiple segments. We don't tell the downloader about the different
963 # segsize, so it guesses wrong and must do extra roundtrips.
964 u = upload.Data(plaintext, None)
965 u.max_segment_size = 120 # 3 segs, 4-wide hashtree
967 if self.catalog_detection:
968 undetected = spans.Spans()
970 def _download(ign, imm_uri, which, expected):
971 n = self.c0.create_node_from_uri(imm_uri)
972 n._cnode._maybe_create_download_node()
973 # for this test to work, we need to have a new Node each time.
974 # Make sure the NodeMaker's weakcache hasn't interfered.
975 assert not n._cnode._node._shares
976 d = download_to_data(n)
978 self.failUnlessEqual(data, plaintext)
979 shnums = sorted([s._shnum for s in n._cnode._node._shares])
980 no_sh0 = bool(0 not in shnums)
981 sh0 = [s for s in n._cnode._node._shares if s._shnum == 0]
982 sh0_had_corruption = False
983 if sh0 and sh0[0].had_corruption:
984 sh0_had_corruption = True
985 num_needed = len(n._cnode._node._shares)
986 if self.catalog_detection:
987 detected = no_sh0 or sh0_had_corruption or (num_needed!=3)
989 undetected.add(which, 1)
990 if expected == "no-sh0":
991 self.failIfIn(0, shnums)
992 elif expected == "0bad-need-3":
994 self.failUnless(sh0[0].had_corruption)
995 self.failUnlessEqual(num_needed, 3)
996 elif expected == "need-4th":
998 self.failUnless(sh0[0].had_corruption)
999 self.failIfEqual(num_needed, 3)
1000 d.addCallback(_got_data)
1004 d = self.c0.upload(u)
1007 self.shares = self.copy_shares(imm_uri)
1008 d = defer.succeed(None)
1009 # 'victims' is a list of corruption tests to run. Each one flips
1010 # the low-order bit of the specified offset in the share file (so
1011 # offset=0 is the MSB of the container version, offset=15 is the
1012 # LSB of the share version, offset=24 is the MSB of the
1013 # data-block-offset, and offset=48 is the first byte of the first
1014 # data-block). Each one also specifies what sort of corruption
1015 # we're expecting to see.
1016 no_sh0_victims = [0,1,2,3] # container version
1017 need3_victims = [ ] # none currently in this category
1018 # when the offsets are corrupted, the Share will be unable to
1019 # retrieve the data it wants (because it thinks that data lives
1020 # off in the weeds somewhere), and Share treats DataUnavailable
1021 # as abandon-this-share, so in general we'll be forced to look
1023 need_4th_victims = [12,13,14,15, # share version
1024 24,25,26,27, # offset[data]
1025 32,33,34,35, # offset[crypttext_hash_tree]
1026 36,37,38,39, # offset[block_hashes]
1027 44,45,46,47, # offset[UEB]
1029 need_4th_victims.append(48) # block data
1030 # when corrupting hash trees, we must corrupt a value that isn't
1031 # directly set from somewhere else. Since we download data from
1032 # seg0, corrupt something on its hash chain, like [2] (the
1033 # right-hand child of the root)
1034 need_4th_victims.append(600+2*32) # block_hashes[2]
1035 # Share.loop is pretty conservative: it abandons the share at the
1036 # first sign of corruption. It doesn't strictly need to be this
1037 # way: if the UEB were corrupt, we could still get good block
1038 # data from that share, as long as there was a good copy of the
1039 # UEB elsewhere. If this behavior is relaxed, then corruption in
1040 # the following fields (which are present in multiple shares)
1041 # should fall into the "need3_victims" case instead of the
1042 # "need_4th_victims" case.
1043 need_4th_victims.append(376+2*32) # crypttext_hash_tree[2]
1044 need_4th_victims.append(824) # share_hashes
1045 need_4th_victims.append(994) # UEB length
1046 need_4th_victims.append(998) # UEB
1047 corrupt_me = ([(i,"no-sh0") for i in no_sh0_victims] +
1048 [(i, "0bad-need-3") for i in need3_victims] +
1049 [(i, "need-4th") for i in need_4th_victims])
1050 if self.catalog_detection:
1051 corrupt_me = [(i, "") for i in range(len(self.sh0_orig))]
1052 for i,expected in corrupt_me:
1053 # All these tests result in a successful download. What we're
1054 # measuring is how many shares the downloader had to use.
1055 d.addCallback(self._corrupt_flip, imm_uri, i)
1056 d.addCallback(_download, imm_uri, i, expected)
1057 d.addCallback(lambda ign: self.restore_all_shares(self.shares))
1058 d.addCallback(fireEventually)
1059 corrupt_values = [(3, 2, "no-sh0"),
1060 (15, 2, "need-4th"), # share looks v2
1062 for i,newvalue,expected in corrupt_values:
1063 d.addCallback(self._corrupt_set, imm_uri, i, newvalue)
1064 d.addCallback(_download, imm_uri, i, expected)
1065 d.addCallback(lambda ign: self.restore_all_shares(self.shares))
1066 d.addCallback(fireEventually)
1068 d.addCallback(_uploaded)
1069 def _show_results(ign):
1071 print ("of [0:%d], corruption ignored in %s" %
1072 (len(self.sh0_orig), undetected.dump()))
1073 if self.catalog_detection:
1074 d.addCallback(_show_results)
1075 # of [0:2070], corruption ignored in len=1133:
1076 # [4-11],[16-23],[28-31],[152-439],[600-663],[1309-2069]
1077 # [4-11]: container sizes
1078 # [16-23]: share block/data sizes
1079 # [152-375]: plaintext hash tree
1080 # [376-408]: crypttext_hash_tree[0] (root)
1081 # [408-439]: crypttext_hash_tree[1] (computed)
1082 # [600-631]: block hash tree[0] (root)
1083 # [632-663]: block hash tree[1] (computed)
1084 # [1309-]: reserved+unused UEB space
1087 def test_failure(self):
1088 # this test corrupts all shares in the same way, and asserts that the
1091 self.basedir = "download/Corruption/failure"
1093 self.c0 = self.g.clients[0]
1095 # to exercise the block-hash-tree code properly, we need to have
1096 # multiple segments. We don't tell the downloader about the different
1097 # segsize, so it guesses wrong and must do extra roundtrips.
1098 u = upload.Data(plaintext, None)
1099 u.max_segment_size = 120 # 3 segs, 4-wide hashtree
1101 d = self.c0.upload(u)
1104 self.shares = self.copy_shares(imm_uri)
1106 corrupt_me = [(48, "block data", "Last failure: None"),
1107 (600+2*32, "block_hashes[2]", "BadHashError"),
1108 (376+2*32, "crypttext_hash_tree[2]", "BadHashError"),
1109 (824, "share_hashes", "BadHashError"),
1111 def _download(imm_uri):
1112 n = self.c0.create_node_from_uri(imm_uri)
1113 n._cnode._maybe_create_download_node()
1114 # for this test to work, we need to have a new Node each time.
1115 # Make sure the NodeMaker's weakcache hasn't interfered.
1116 assert not n._cnode._node._shares
1117 return download_to_data(n)
1119 d = defer.succeed(None)
1120 for i,which,substring in corrupt_me:
1121 # All these tests result in a failed download.
1122 d.addCallback(self._corrupt_flip_all, imm_uri, i)
1123 d.addCallback(lambda ign:
1124 self.shouldFail(NotEnoughSharesError, which,
1126 _download, imm_uri))
1127 d.addCallback(lambda ign: self.restore_all_shares(self.shares))
1128 d.addCallback(fireEventually)
1130 d.addCallback(_uploaded)
1134 def _corrupt_flip_all(self, ign, imm_uri, which):
1135 def _corruptor(s, debug=False):
1136 return s[:which] + chr(ord(s[which])^0x01) + s[which+1:]
1137 self.corrupt_all_shares(imm_uri, _corruptor)
1139 class DownloadV2(_Base, unittest.TestCase):
1140 # tests which exercise v2-share code. They first upload a file with
1144 d = defer.maybeDeferred(_Base.setUp, self)
1145 def _set_force_v2(ign):
1146 self.old_force_v2 = layout.FORCE_V2
1147 layout.FORCE_V2 = True
1148 d.addCallback(_set_force_v2)
1151 layout.FORCE_V2 = self.old_force_v2
1152 return _Base.tearDown(self)
1154 def test_download(self):
1155 self.basedir = self.mktemp()
1157 self.c0 = self.g.clients[0]
1160 u = upload.Data(plaintext, None)
1161 d = self.c0.upload(u)
1164 n = self.c0.create_node_from_uri(imm_uri)
1165 return download_to_data(n)
1166 d.addCallback(_uploaded)
1169 def test_download_no_overrun(self):
1170 self.basedir = self.mktemp()
1172 self.c0 = self.g.clients[0]
1174 # tweak the client's copies of server-version data, so it believes
1175 # that they're old and can't handle reads that overrun the length of
1176 # the share. This exercises a different code path.
1177 for (peerid, rref) in self.c0.storage_broker.get_all_servers():
1178 v1 = rref.version["http://allmydata.org/tahoe/protocols/storage/v1"]
1179 v1["tolerates-immutable-read-overrun"] = False
1182 u = upload.Data(plaintext, None)
1183 d = self.c0.upload(u)
1186 n = self.c0.create_node_from_uri(imm_uri)
1187 return download_to_data(n)
1188 d.addCallback(_uploaded)
1191 def OFF_test_no_overrun_corrupt_shver(self): # unnecessary
1192 self.basedir = self.mktemp()
1194 self.c0 = self.g.clients[0]
1196 for (peerid, rref) in self.c0.storage_broker.get_all_servers():
1197 v1 = rref.version["http://allmydata.org/tahoe/protocols/storage/v1"]
1198 v1["tolerates-immutable-read-overrun"] = False
1201 u = upload.Data(plaintext, None)
1202 d = self.c0.upload(u)
1205 def _do_corrupt(which, newvalue):
1206 def _corruptor(s, debug=False):
1207 return s[:which] + chr(newvalue) + s[which+1:]
1208 self.corrupt_shares_numbered(imm_uri, [0], _corruptor)
1209 _do_corrupt(12+3, 0x00)
1210 n = self.c0.create_node_from_uri(imm_uri)
1211 d = download_to_data(n)
1212 def _got_data(data):
1213 self.failUnlessEqual(data, plaintext)
1214 d.addCallback(_got_data)
1216 d.addCallback(_uploaded)
1219 class Status(unittest.TestCase):
1220 def test_status(self):
1222 ds = DownloadStatus("si-1", 123)
1223 self.failUnlessEqual(ds.get_status(), "idle")
1224 ds.add_segment_request(0, now)
1225 self.failUnlessEqual(ds.get_status(), "fetching segment 0")
1226 ds.add_segment_delivery(0, now+1, 0, 1000, 2.0)
1227 self.failUnlessEqual(ds.get_status(), "idle")
1228 ds.add_segment_request(2, now+2)
1229 ds.add_segment_request(1, now+2)
1230 self.failUnlessEqual(ds.get_status(), "fetching segments 1,2")
1231 ds.add_segment_error(1, now+3)
1232 self.failUnlessEqual(ds.get_status(),
1233 "fetching segment 2; errors on segment 1")
1235 def test_progress(self):
1237 ds = DownloadStatus("si-1", 123)
1238 self.failUnlessEqual(ds.get_progress(), 0.0)
1239 e = ds.add_read_event(0, 1000, now)
1240 self.failUnlessEqual(ds.get_progress(), 0.0)
1241 e.update(500, 2.0, 2.0)
1242 self.failUnlessEqual(ds.get_progress(), 0.5)
1244 self.failUnlessEqual(ds.get_progress(), 1.0)
1246 e1 = ds.add_read_event(1000, 2000, now+3)
1247 e2 = ds.add_read_event(4000, 2000, now+3)
1248 self.failUnlessEqual(ds.get_progress(), 0.0)
1249 e1.update(1000, 2.0, 2.0)
1250 self.failUnlessEqual(ds.get_progress(), 0.25)
1251 e2.update(1000, 2.0, 2.0)
1252 self.failUnlessEqual(ds.get_progress(), 0.5)
1253 e1.update(1000, 2.0, 2.0)
1255 # now there is only one outstanding read, and it is 50% done
1256 self.failUnlessEqual(ds.get_progress(), 0.5)
1257 e2.update(1000, 2.0, 2.0)
1259 self.failUnlessEqual(ds.get_progress(), 1.0)