def create_torrent(file, port, try_vod = True):
'''
Creates a torrent for the given file. Returns a string representing the
path to the torrent file.
If try_vod is True try to add the playtime to the torrent making it "streamable".
'''
# generate torrent
tdef = TorrentDef()
url = "http://localhost:%s/announce/" % port
tdef.set_tracker(url)
#tdef.set_create_merkle_torrent(True)
#tdef.set_piece_length(self._pieceSize)
if try_vod:
torrent_name = FileUtils.get_relative_filename(file) + constants.TORRENT_VOD_EXT
# set playtime
playtime = videostats_via_ffmpeg(file)['playtime']
print "playtime", playtime
else:
torrent_name = FileUtils.get_relative_filename(file) + constants.TORRENT_DOWNLOAD_EXT
playtime = None
print "Create a non-streamable torrent"
tdef.add_content(file, playtime=playtime)
tdef.finalize()
torrent_dir = os.getcwd()
torrent = os.path.join(torrent_dir, torrent_name)
tdef.save(torrent)
print "created torrent file: %s" % torrent
print "Tracker uses the announce URL: %s" % tdef.get_tracker()
return tdef
def testECreateRichTorrents(self):
_log.info("Create rich metadata torrents ------------")
if not TestMetaGenerator.run_test:
_log.debug("Test avoided.")
return
data = None
self.assertTrue(TestMetaGenerator.data != None, "Test E depends on data gathered in test D, set testD attribute to True")
if TestMetaGenerator.data != None:
data = TestMetaGenerator.data
else:
return
rmg = RichMetadataGenerator.getInstance()
torrents = []
for k, v in data.items():
if v.content_base != None:
# Choose only a small subset of content to download
if v.content_base == "http://www.rtvslo.si/podcasts/gori_doli_naokoli.xml":
mm_file = tempfile.NamedTemporaryFile()
try:
urllib.urlretrieve(v.id, mm_file.name)
torrent_def = TorrentDef()
torrent_def.add_content(mm_file.name)
torrent_def.set_tracker("http://wanabe.a.tracker.com:8080")
torrent_def.set_metadata(k)
torrent_def.finalize()
torrent_def.save(mm_file.name + ".torrent")
torrents.append(mm_file.name + ".torrent")
except Exception, e:
_log.error("Failed to generate torrent file, reason: " + str(e))
def create_torrent(file, port, try_vod=True):
'''
Creates a torrent for the given file. Returns a string representing the
path to the torrent file.
If try_vod is True try to add the playtime to the torrent making it "streamable".
'''
# generate torrent
tdef = TorrentDef()
url = "http://localhost:%s/announce/" % port
tdef.set_tracker(url)
#tdef.set_create_merkle_torrent(True)
#tdef.set_piece_length(self._pieceSize)
if try_vod:
torrent_name = FileUtils.get_relative_filename(
file) + constants.TORRENT_VOD_EXT
# set playtime
playtime = videostats_via_ffmpeg(file)['playtime']
print "playtime", playtime
else:
torrent_name = FileUtils.get_relative_filename(
file) + constants.TORRENT_DOWNLOAD_EXT
playtime = None
print "Create a non-streamable torrent"
tdef.add_content(file, playtime=playtime)
tdef.finalize()
torrent_dir = os.getcwd()
torrent = os.path.join(torrent_dir, torrent_name)
tdef.save(torrent)
print "created torrent file: %s" % torrent
print "Tracker uses the announce URL: %s" % tdef.get_tracker()
return tdef
class TestMetadata(TestAsServer, MagnetHelpers):
"""
Once we are downloading a torrent, our client should respond to
the ut_metadata extention message. This allows other clients to
obtain the info part of the metadata from us.
"""
def setUp(self):
""" override TestAsServer """
TestAsServer.setUp(self)
print >>sys.stderr,time.asctime(),'-', "test: Giving MyLaunchMany time to startup"
time.sleep(5)
print >>sys.stderr,time.asctime(),'-', "test: MyLaunchMany should have started up"
# the metadata that we want to transfer
self.tdef = TorrentDef()
self.tdef.add_content(os.path.join(os.getcwd(), "API", "file.wmv"))
self.tdef.set_tracker(self.session.get_internal_tracker_url())
# we use a small piece length to obtain multiple pieces
self.tdef.set_piece_length(1)
self.tdef.finalize()
# self.tdef.save(os.path.join(self.session.get_state_dir(), "gen.torrent"))
MagnetHelpers.__init__(self, self.tdef)
def setup_seeder(self):
self.seeder_setup_complete = False
self.seeder_teardown_complete = False
self.seeder_teardown = False
self.dscfg = DownloadStartupConfig()
self.dscfg.set_dest_dir(os.getcwd())
self.download = self.session.start_download(self.tdef, self.dscfg)
self.download.set_state_callback(self.seeder_state_callback)
counter = 0
while not self.seeder_setup_complete:
counter += 1
time.sleep(1)
assert counter < 30, "timeout"
print >> sys.stderr, time.asctime(),'-', "test: setup_seeder() complete"
def teardown_seeder(self):
self.seeder_teardown_complete = False
self.session.remove_download(self.download)
counter = 0
while not self.seeder_setup_complete:
counter += 1
time.sleep(1)
assert counter < 30, "timeout"
print >> sys.stderr, time.asctime(),'-', "test: teardown_seeder() complete"
def seeder_state_callback(self,ds):
assert not self.seeder_teardown_complete
self.seeder_setup_complete = (ds.get_status() == DLSTATUS_DOWNLOADING)
d = ds.get_download()
print >> sys.stderr, time.asctime(),'-', "test: seeder:", `d.get_def().get_name()`, dlstatus_strings[ds.get_status()], ds.get_progress()
if self.seeder_teardown:
self.seeder_teardown_complete = True
else:
return (1.0, False)
def test_all(self):
self.setup_seeder()
try:
self.subtest_good_flood()
finally:
self.teardown_seeder()
self.setup_seeder()
try:
self.subtest_good_request()
self.subtest_bad_request()
finally:
self.teardown_seeder()
def subtest_good_request(self):
conn = BTConnection("localhost", self.hisport, user_infohash=self.tdef.get_infohash())
conn.send(self.create_good_extend_handshake())
conn.read_handshake_medium_rare()
metadata_id = self.read_extend_handshake(conn)
# request metadata block 0, 2, 3, and the last
conn.send(self.create_good_extend_metadata_request(metadata_id, 0))
conn.send(self.create_good_extend_metadata_request(metadata_id, 2))
conn.send(self.create_good_extend_metadata_request(metadata_id, 3))
conn.send(self.create_good_extend_metadata_request(metadata_id, len(self.metadata_list) - 1))
self.read_extend_metadata_reply(conn, 0)
self.read_extend_metadata_reply(conn, 2)
self.read_extend_metadata_reply(conn, 3)
self.read_extend_metadata_reply(conn, len(self.metadata_list) - 1)
def subtest_good_flood(self):
conn = BTConnection("localhost", self.hisport, user_infohash=self.tdef.get_infohash())
conn.send(self.create_good_extend_handshake())
conn.read_handshake_medium_rare()
metadata_id = self.read_extend_handshake(conn)
for counter in xrange(len(self.metadata_list) * 2):
piece = counter % len(self.metadata_list)
conn.send(self.create_good_extend_metadata_request(metadata_id, piece))
if counter > len(self.metadata_list):
self.read_extend_metadata_reject(conn, piece)
else:
self.read_extend_metadata_reply(conn, piece)
def subtest_bad_request(self):
self.bad_request_and_disconnect({"msg_type":0, "piece":len(self.metadata_list)})
self.bad_request_and_disconnect({"msg_type":0, "piece":-1})
self.bad_request_and_disconnect({"msg_type":0, "piece":"1"})
self.bad_request_and_disconnect({"msg_type":0, "piece":[1,2]})
self.bad_request_and_disconnect({"msg_type":0, "PIECE":1})
def bad_request_and_disconnect(self, payload):
conn = BTConnection("localhost", self.hisport, user_infohash=self.tdef.get_infohash())
conn.send(self.create_good_extend_handshake())
conn.read_handshake_medium_rare()
metadata_id = self.read_extend_handshake(conn)
conn.send(EXTEND + chr(metadata_id) + bencode(payload))
self.read_extend_metadata_close(conn)
class TestMagnetMiniBitTorrent(TestAsServer, MagnetHelpers):
"""
A MiniBitTorrent instance is used to connect to BitTorrent clients
and download the info part from the metadata.
"""
def setUp(self):
""" override TestAsServer """
# listener for incoming connections from MiniBitTorrent
self.server = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
self.server.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
self.server.bind(("localhost", LISTEN_PORT))
self.server.listen(1)
# the metadata that we want to transfer
self.tdef = TorrentDef()
self.tdef.add_content(os.path.join(os.getcwd(), "API", "file.wmv"))
self.tdef.set_tracker("http://fake.net/announce")
# we use a small piece length to obtain multiple pieces
self.tdef.set_piece_length(1)
self.tdef.finalize()
MagnetHelpers.__init__(self, self.tdef)
# startup the client
TestAsServer.setUp(self)
print >>sys.stderr,time.asctime(),'-', "test: Giving MyLaunchMany time to startup"
time.sleep(5)
print >>sys.stderr,time.asctime(),'-', "test: MyLaunchMany should have started up"
def create_good_url(self, infohash=None, title=None, tracker=None):
url = "magnet:?xt=urn:btih:"
if infohash:
assert isinstance(infohash, str)
url += hexlify(infohash)
else:
url += hexlify(self.tdef.get_infohash())
if title:
assert isinstance(title, str)
url += "&dn=" + title
if tracker:
assert isinstance(tracker, str)
url += "&tr=" + tracker
return url
def test_good_transfer(self):
def torrentdef_retrieved(tdef):
tags["retrieved"] = True
tags["metainfo"] = tdef.get_metainfo()
tags = {"retrieved":False}
assert TorrentDef.retrieve_from_magnet(self.create_good_url(), torrentdef_retrieved)
# supply fake addresses (regular dht obviously wont work here)
for magnetlink in MagnetHandler.get_instance().get_magnets():
magnetlink._swarm.add_potential_peers([("localhost", LISTEN_PORT)])
# accept incoming connection
self.server.settimeout(10.0)
sock, address = self.server.accept()
assert sock, "No incoming connection"
# handshakes
conn = BTConnection(address[0], address[1], opensock=sock, user_infohash=self.tdef.get_infohash())
conn.send(self.create_good_extend_handshake())
conn.read_handshake_medium_rare()
metadata_id = self.read_extend_handshake(conn)
# serve pieces
for counter in xrange(len(self.metadata_list)):
piece = self.read_extend_metadata_request(conn)
assert 0 <= piece < len(self.metadata_list)
conn.send(self.create_good_extend_metadata_reply(metadata_id, piece))
# no more metadata request may be send and the connection must
# be closed
self.read_extend_metadata_close(conn)
time.sleep(5)
assert tags["retrieved"]
assert tags["metainfo"]["info"] == self.tdef.get_metainfo()["info"]
class TestVideoOnDemand(TestAsServer):
"""
Testing Merkle hashpiece messages for both:
* Merkle BEP style
* old Tribler <= 4.5.2 that did not use the Extention protocol (BEP 10).
See BitTornado/BT1/Connecter.py
"""
def setUp(self):
""" override TestAsServer """
TestAsServer.setUp(self)
self.vodstarted = False
def setUpPreSession(self):
""" override TestAsServer """
TestAsServer.setUpPreSession(self)
self.config.set_overlay(False)
self.config.set_megacache(False)
def setUpPostSession(self):
""" override TestAsServer """
TestAsServer.setUpPostSession(self)
def tearDown(self):
print >> sys.stderr, time.asctime(), "-", "Test: Sleep before tear down"
time.sleep(10)
TestAsServer.tearDown(self)
def create_torrent(self):
[srchandle, self.sourcefn] = mkstemp()
self.content = Rand.rand_bytes(self.contentlen)
os.write(srchandle, self.content)
os.close(srchandle)
self.tdef = TorrentDef()
self.tdef.add_content(self.sourcefn)
self.tdef.set_piece_length(self.piecelen)
self.tdef.set_tracker("http://127.0.0.1:12/announce")
self.tdef.finalize()
self.torrentfn = os.path.join(self.session.get_state_dir(), "gen.torrent")
self.tdef.save(self.torrentfn)
dscfg = DownloadStartupConfig()
destdir = os.path.dirname(self.sourcefn)
dscfg.set_dest_dir(destdir)
dscfg.set_video_event_callback(self.sesscb_vod_event_callback)
self.session.set_download_states_callback(self.states_callback)
self.session.start_download(self.tdef, dscfg)
def states_callback(self, dslist):
ds = dslist[0]
d = ds.get_download()
# print >>sys.stderr,time.asctime(),'-', `d.get_def().get_name()`,dlstatus_strings[ds.get_status()],ds.get_progress(),"%",ds.get_error(),"up",ds.get_current_speed(UPLOAD),"down",ds.get_current_speed(DOWNLOAD)
print >> sys.stderr, time.asctime(), "-", "%s %s %5.2f%% %s up %8.2fKB/s down %8.2fKB/s" % (
d.get_def().get_name(),
dlstatus_strings[ds.get_status()],
ds.get_progress() * 100,
ds.get_error(),
ds.get_current_speed(UPLOAD),
ds.get_current_speed(DOWNLOAD),
)
return (1.0, False)
def sesscb_vod_event_callback(self, d, event, params):
if self.vodstarted:
return
self.vodstarted = True
print >> sys.stderr, time.asctime(), "-", "Test: vod_event_callback", event, params
if event == VODEVENT_START:
stream = params["stream"]
# Read last piece
lastpieceoff = ((self.contentlen - 1) / self.piecelen) * self.piecelen
lastpiecesize = self.contentlen - lastpieceoff
print >> sys.stderr, time.asctime(), "-", "Test: stream: lastpieceoff", lastpieceoff, lastpiecesize
self.stream_read(stream, lastpieceoff, lastpiecesize, self.piecelen)
# Read second,3rd,4th byte, only
secoff = 1
secsize = 3
blocksize = 3
self.stream_read(stream, secoff, secsize, blocksize)
# Read last byte
lastoff = self.contentlen - 1
lastsize = 1
self.stream_read(stream, lastoff, lastsize, self.piecelen)
print >> sys.stderr, time.asctime(), "-", "Test: stream: Passed?"
def stream_read(self, stream, off, size, blocksize):
stream.seek(off)
data = stream.read(blocksize)
print >> sys.stderr, time.asctime(), "-", "Test: stream: Got data", len(data)
self.assertEquals(len(data), size)
self.assertEquals(data, self.content[off : off + size])
def singtest_99(self):
self.contentlen = 99
self.piecelen = 10
self.create_torrent()
print >> sys.stderr, time.asctime(), "-", "Test: Letting network thread create Download, sleeping"
time.sleep(5)
dlist = self.session.get_downloads()
d = dlist[0]
vs = d.sd.videostatus
goodrange = ((0, 0), (9, 8))
self.assertEqual(vs.movie_range, goodrange)
self.assertEqual(vs.first_piecelen, 10)
self.assertEqual(vs.last_piecelen, 9)
self.assertEqual(vs.first_piece, 0)
self.assertEqual(vs.last_piece, 9)
self.assertEqual(vs.movie_numpieces, 10)
print >> sys.stderr, time.asctime(), "-", "Test: status: Passed? ****************************************************************"
def singtest_100(self):
self.contentlen = 100
self.piecelen = 10
self.create_torrent()
print >> sys.stderr, time.asctime(), "-", "Test: Letting network thread create Download, sleeping"
time.sleep(5)
dlist = self.session.get_downloads()
d = dlist[0]
vs = d.sd.videostatus
goodrange = ((0, 0), (9, 9))
self.assertEqual(vs.movie_range, goodrange)
self.assertEqual(vs.first_piecelen, 10)
self.assertEqual(vs.last_piecelen, 10)
self.assertEqual(vs.first_piece, 0)
self.assertEqual(vs.last_piece, 9)
self.assertEqual(vs.movie_numpieces, 10)
print >> sys.stderr, time.asctime(), "-", "Test: status: Passed? ****************************************************************"
def singtest_101(self):
self.contentlen = 101
self.piecelen = 10
self.create_torrent()
print >> sys.stderr, time.asctime(), "-", "Test: Letting network thread create Download, sleeping"
time.sleep(5)
dlist = self.session.get_downloads()
d = dlist[0]
vs = d.sd.videostatus
goodrange = ((0, 0), (10, 0))
self.assertEqual(vs.movie_range, goodrange)
self.assertEqual(vs.first_piecelen, 10)
self.assertEqual(vs.last_piecelen, 1)
self.assertEqual(vs.first_piece, 0)
self.assertEqual(vs.last_piece, 10)
self.assertEqual(vs.movie_numpieces, 11)
print >> sys.stderr, time.asctime(), "-", "Test: status: Passed? ****************************************************************"
class TestQueryReplyActive(TestAsServer):
"""
Testing QUERY_REPLY message of Query extension V1
This test checks how the Tribler code responds to good and bad
QUERY_REPLY messages. I.e. the Tribler client initiates
the dialback by connecting to us and sending a QUERY and we
reply with good and bad messages.
This test allows authoritative answers from superpeers.
WARNING: Each of the test_ methods should be tested by running the TestCase
in a separate Python interpreter to prevent problems with our singleton
classes, e.g. SuperPeerDB, etc.
"""
def setUpPreSession(self):
""" override TestAsServer """
print >> sys.stderr,"test: Pre Tribler Init"
TestAsServer.setUpPreSession(self)
print >> sys.stderr,"test: Pre Tribler Init: config_path",self.config_path
# Enable remote querying
self.config.set_remote_query(True)
def setUpPostSession(self):
""" override TestAsServer """
TestAsServer.setUpPostSession(self)
self.hispermid = str(self.his_keypair.pub().get_der())
self.my_permid = str(self.my_keypair.pub().get_der())
self.content_name = 'Hallo S22E44'
self.tdef = TorrentDef()
self.tdef.set_tracker('http://localhost:0/announce')
self.tdef.set_piece_length(2 ** 15)
self.tdef.create_live(self.content_name,2 ** 16)
self.tdef.finalize()
def pretest_simple(self):
self.pretest_q('SIMPLE hallo')
def pretest_simpleplustorrents(self):
self.pretest_q('SIMPLE+METADATA hallo')
def pretest_q(self,query):
# 1. First connect to Tribler
self.openconn = OLConnection(self.my_keypair,'localhost',self.hisport)
sleep(3)
# 2. Make Tribler send query
self.query = query
self.session.query_connected_peers(query,self.query_usercallback,max_peers_to_query=10)
def query_usercallback(self,permid,query,hits):
print >>sys.stderr,"test: query_usercallback:",`permid`,`query`,`hits`
self.assert_(query == self.query)
self.assert_(permid == self.my_permid)
self.check_good_qreply(hits)
# TODO: if SIMPLE+METADATA: check torrent now in db.
#
# Good SIMPLE QUERY, builds on TestQueryReply code
#
def singtest_good_simple_reply(self):
self.pretest_simple()
self._test_qreply(self.create_good_simple_reply,True)
#
# Good SIMPLE+METADATA QUERY, builds on TestQueryReply code
#
def singtest_good_simpleplustorrents_reply(self):
self.pretest_simpleplustorrents()
self._test_qreply(self.create_good_simpleplustorrents_reply,True)
#
# Bad QUERY, builds on TestQueryReply code
#
def singtest_bad_not_bdecodable(self):
self.pretest_simple()
self._test_qreply(self.create_not_bdecodable,False)
#
# Bad SIMPLE+METADATA QUERY, builds on TestQueryReply code
#
def singtest_bad_not_bdecodable_torrentfile(self):
self.pretest_simpleplustorrents()
self._test_qreply(self.create_not_bdecodable_torrentfile,False)
### TODO: send different valid answers so consensus not reached
#
# Main test code
#
def _test_qreply(self,gen_qreply,good):
print >> sys.stderr,"test: waiting for reply"
s = self.openconn
msg = s.recv()
self.assert_(len(msg) > 0)
print >> sys.stderr,"test: Received overlay message",getMessageName(msg[0])
self.assert_(msg[0] == QUERY)
id = self.check_rquery(msg[1:])
resp = gen_qreply(id)
print >> sys.stderr,"test: sending QUERY_REPLY"
s.send(resp)
if good:
time.sleep(10)
# the other side should not have closed the connection, as
# this is all valid, so this should not throw an exception:
s.send('bla')
s.close()
else:
# the other side should not like this and close the connection
self.assert_(len(s.recv())==0)
s.close()
def create_good_simple_reply_dict(self,id):
r = {}
r['content_name'] = self.content_name
r['length'] = LENGTH
r['leecher'] = LEECHERS
r['seeder'] = SEEDERS
r['category'] = CATEGORY
# OLPROTO_PROTO_ELEVENTH
# set later r['torrent_size'] = 42
r['channel_permid'] = '$' * 83
r['channel_name'] = 'Nitin Channel'
d2 = {}
d2[self.tdef.get_infohash()] = r
d = {}
d['id'] = id
d['a'] = d2
return d
def create_good_simple_reply(self,id):
d = self.create_good_simple_reply_dict(id)
bmetainfo = bencode(self.tdef.get_metainfo())
d['a'][self.tdef.get_infohash()]['torrent_size'] = len(bmetainfo)
b = bencode(d)
return QUERY_REPLY+b
def create_good_simpleplustorrents_reply(self,id):
d = self.create_good_simple_reply_dict(id)
bmetainfo = bencode(self.tdef.get_metainfo())
d['a'][self.tdef.get_infohash()]['torrent_size'] = len(bmetainfo)
d['a'][self.tdef.get_infohash()]['metatype'] = 'application/x-tribler-stream'
d['a'][self.tdef.get_infohash()]['metadata'] = bmetainfo
b = bencode(d)
return QUERY_REPLY+b
def check_good_qreply(self,hits):
self.assert_(len(hits) == 1)
self.assert_(hits.keys()[0] == self.tdef.get_infohash())
hit = hits[self.tdef.get_infohash()]
self.assert_(hit['content_name'] == self.content_name)
self.assert_(hit['length'] == LENGTH)
self.assert_(hit['leecher'] == LEECHERS)
self.assert_(hit['seeder'] == SEEDERS)
self.assert_(hit['category'] == CATEGORY)
# OLPROTO_VERSION_ELEVENTH
bmetainfo = bencode(self.tdef.get_metainfo())
self.assert_(hit['torrent_size'] == len(bmetainfo))
if self.query.startswith('SIMPLE+METADATA'):
self.assert_(hit['metadata'] == bmetainfo)
def create_not_bdecodable(self,id):
return QUERY_REPLY+"bla"
def create_not_bdecodable_torrentfile(self,id):
d = self.create_good_simple_reply_dict(id)
d['a'][self.tdef.get_infohash()]['torrent_size'] = 3 # consistent with metadata. Should be named "metasize"
d['a'][self.tdef.get_infohash()]['metadata'] = 'bla'
b = bencode(d)
return QUERY_REPLY+b
def check_rquery(self,data):
d = bdecode(data)
self.assert_(type(d) == DictType)
self.assert_(d.has_key('q'))
q = d['q']
self.assert_(type(q) == StringType)
self.assert_(d.has_key('id'))
id = d['id']
self.assert_(type(id) == StringType)
self.assert_(q == self.query)
return d['id']
class TestQueryReplyActive(TestAsServer):
"""
Testing QUERY_REPLY message of Query extension V1
This test checks how the Tribler code responds to good and bad
QUERY_REPLY messages. I.e. the Tribler client initiates
the dialback by connecting to us and sending a QUERY and we
reply with good and bad messages.
This test allows authoritative answers from superpeers.
WARNING: Each of the test_ methods should be tested by running the TestCase
in a separate Python interpreter to prevent problems with our singleton
classes, e.g. SuperPeerDB, etc.
"""
def setUpPreSession(self):
""" override TestAsServer """
print >> sys.stderr, "test: Pre Tribler Init"
TestAsServer.setUpPreSession(self)
print >> sys.stderr, "test: Pre Tribler Init: config_path", self.config_path
# Enable remote querying
self.config.set_remote_query(True)
def setUpPostSession(self):
""" override TestAsServer """
TestAsServer.setUpPostSession(self)
self.hispermid = str(self.his_keypair.pub().get_der())
self.my_permid = str(self.my_keypair.pub().get_der())
self.content_name = 'Hallo S22E44'
self.tdef = TorrentDef()
self.tdef.set_tracker('http://localhost:0/announce')
self.tdef.set_piece_length(2**15)
self.tdef.create_live(self.content_name, 2**16)
self.tdef.finalize()
def pretest_simple(self):
self.pretest_q('SIMPLE hallo')
def pretest_simpleplustorrents(self):
self.pretest_q('SIMPLE+METADATA hallo')
def pretest_q(self, query):
# 1. First connect to Tribler
self.openconn = OLConnection(self.my_keypair, 'localhost',
self.hisport)
sleep(3)
# 2. Make Tribler send query
self.query = query
self.session.query_connected_peers(query,
self.query_usercallback,
max_peers_to_query=10)
def query_usercallback(self, permid, query, hits):
print >> sys.stderr, "test: query_usercallback:", ` permid `, ` query `, ` hits `
self.assert_(query == self.query)
self.assert_(permid == self.my_permid)
self.check_good_qreply(hits)
# TODO: if SIMPLE+METADATA: check torrent now in db.
#
# Good SIMPLE QUERY, builds on TestQueryReply code
#
def singtest_good_simple_reply(self):
self.pretest_simple()
self._test_qreply(self.create_good_simple_reply, True)
#
# Good SIMPLE+METADATA QUERY, builds on TestQueryReply code
#
def singtest_good_simpleplustorrents_reply(self):
self.pretest_simpleplustorrents()
self._test_qreply(self.create_good_simpleplustorrents_reply, True)
#
# Bad QUERY, builds on TestQueryReply code
#
def singtest_bad_not_bdecodable(self):
self.pretest_simple()
self._test_qreply(self.create_not_bdecodable, False)
#
# Bad SIMPLE+METADATA QUERY, builds on TestQueryReply code
#
def singtest_bad_not_bdecodable_torrentfile(self):
self.pretest_simpleplustorrents()
self._test_qreply(self.create_not_bdecodable_torrentfile, False)
### TODO: send different valid answers so consensus not reached
#
# Main test code
#
def _test_qreply(self, gen_qreply, good):
print >> sys.stderr, "test: waiting for reply"
s = self.openconn
msg = s.recv()
self.assert_(len(msg) > 0)
print >> sys.stderr, "test: Received overlay message", getMessageName(
msg[0])
self.assert_(msg[0] == QUERY)
id = self.check_rquery(msg[1:])
resp = gen_qreply(id)
print >> sys.stderr, "test: sending QUERY_REPLY"
s.send(resp)
if good:
time.sleep(10)
# the other side should not have closed the connection, as
# this is all valid, so this should not throw an exception:
s.send('bla')
s.close()
else:
# the other side should not like this and close the connection
self.assert_(len(s.recv()) == 0)
s.close()
def create_good_simple_reply_dict(self, id):
r = {}
r['content_name'] = self.content_name
r['length'] = LENGTH
r['leecher'] = LEECHERS
r['seeder'] = SEEDERS
r['category'] = CATEGORY
# OLPROTO_PROTO_ELEVENTH
# set later r['torrent_size'] = 42
r['channel_permid'] = '$' * 83
r['channel_name'] = 'Nitin Channel'
d2 = {}
d2[self.tdef.get_infohash()] = r
d = {}
d['id'] = id
d['a'] = d2
return d
def create_good_simple_reply(self, id):
d = self.create_good_simple_reply_dict(id)
bmetainfo = bencode(self.tdef.get_metainfo())
d['a'][self.tdef.get_infohash()]['torrent_size'] = len(bmetainfo)
b = bencode(d)
return QUERY_REPLY + b
def create_good_simpleplustorrents_reply(self, id):
d = self.create_good_simple_reply_dict(id)
bmetainfo = bencode(self.tdef.get_metainfo())
d['a'][self.tdef.get_infohash()]['torrent_size'] = len(bmetainfo)
d['a'][self.tdef.get_infohash(
)]['metatype'] = 'application/x-tribler-stream'
d['a'][self.tdef.get_infohash()]['metadata'] = bmetainfo
b = bencode(d)
return QUERY_REPLY + b
def check_good_qreply(self, hits):
self.assert_(len(hits) == 1)
self.assert_(hits.keys()[0] == self.tdef.get_infohash())
hit = hits[self.tdef.get_infohash()]
self.assert_(hit['content_name'] == self.content_name)
self.assert_(hit['length'] == LENGTH)
self.assert_(hit['leecher'] == LEECHERS)
self.assert_(hit['seeder'] == SEEDERS)
self.assert_(hit['category'] == CATEGORY)
# OLPROTO_VERSION_ELEVENTH
bmetainfo = bencode(self.tdef.get_metainfo())
self.assert_(hit['torrent_size'] == len(bmetainfo))
if self.query.startswith('SIMPLE+METADATA'):
self.assert_(hit['metadata'] == bmetainfo)
def create_not_bdecodable(self, id):
return QUERY_REPLY + "bla"
def create_not_bdecodable_torrentfile(self, id):
d = self.create_good_simple_reply_dict(id)
d['a'][self.tdef.get_infohash(
)]['torrent_size'] = 3 # consistent with metadata. Should be named "metasize"
d['a'][self.tdef.get_infohash()]['metadata'] = 'bla'
b = bencode(d)
return QUERY_REPLY + b
def check_rquery(self, data):
d = bdecode(data)
self.assert_(type(d) == DictType)
self.assert_(d.has_key('q'))
q = d['q']
self.assert_(type(q) == StringType)
self.assert_(d.has_key('id'))
id = d['id']
self.assert_(type(id) == StringType)
self.assert_(q == self.query)
return d['id']
def setUpPostSession(self):
""" override TestAsServer """
TestAsServer.setUpPostSession(self)
# Let Tribler start downloading an non-functioning torrent, so
# we can talk to a normal download engine.
self.tdef = TorrentDef()
self.sourcefn = os.path.join(os.getcwd(),"API","file2.wmv")
self.tdef.add_content(self.sourcefn)
self.tdef.set_create_merkle_torrent(True)
self.tdef.set_tracker("http://127.0.0.1:12/announce")
self.tdef.finalize()
self.torrentfn = os.path.join(self.session.get_state_dir(),"gen.torrent")
self.tdef.save(self.torrentfn)
dscfg = self.setUpDownloadConfig()
self.session.start_download(self.tdef,dscfg)
self.infohash = self.tdef.get_infohash()
self.mylistenport = 4810
self.numpieces = (self.tdef.get_length()+self.tdef.get_piece_length()-1) / self.tdef.get_piece_length()
b = Bitfield(self.numpieces)
for i in range(self.numpieces):
b[i] = True
self.assert_(b.complete())
self.seederbitfieldstr = b.tostring()
#piece_hashes = ['\x01\x02\x03\x04\x05\x06\x07\x08\x07\x06\x05\x04\x03\x02\x01\x00\x01\x02\x03\x04' ] * npieces
# Construct Merkle tree
tdef2 = TorrentDef()
tdef2.add_content(self.sourcefn)
tdef2.set_create_merkle_torrent(False)
tdef2.set_tracker("http://127.0.0.1:12/announce")
tdef2.set_piece_length(self.tdef.get_piece_length())
tdef2.finalize()
metainfo = tdef2.get_metainfo()
piecesstr = metainfo['info']['pieces']
print >>sys.stderr,"test: pieces has len",len(piecesstr)
piece_hashes = []
for i in range(0,len(piecesstr),20):
hash = piecesstr[i:i+20]
print >>sys.stderr,"test: piece",i/20,"hash",`hash`
piece_hashes.append(hash)
print >>sys.stderr,"test: Putting",len(piece_hashes),"into MerkleTree, size",self.tdef.get_piece_length(),tdef2.get_piece_length()
self.tree = MerkleTree(self.tdef.get_piece_length(),self.tdef.get_length(),None,piece_hashes)
f = open(self.sourcefn,"rb")
piece1 = f.read(2 ** 18)
piece2 = f.read(2 ** 18)
print >>sys.stderr,"read piece1",len(piece1)
print >>sys.stderr,"read piece2",len(piece2)
f.close()
hash1 = sha(piece1).digest()
hash2 = sha(piece2).digest()
print >>sys.stderr,"hash piece1",`hash1`
print >>sys.stderr,"hash piece2",`hash2`
f2 = open("piece1.bin","wb")
f2.write(piece2)
f2.close()
class TestMerkleMessage(TestAsServer):
"""
Testing Merkle hashpiece messages for both:
* Merkle BEP style
* old Tribler <= 4.5.2 that did not use the Extention protocol (BEP 10).
See BitTornado/BT1/Connecter.py
"""
def setUp(self):
""" override TestAsServer """
TestAsServer.setUp(self)
print >>sys.stderr,"test: Giving Session time to startup"
time.sleep(5)
print >>sys.stderr,"test: Session should have started up"
def setUpPreSession(self):
""" override TestAsServer """
TestAsServer.setUpPreSession(self)
self.config.set_overlay(False)
self.config.set_megacache(False)
def setUpPostSession(self):
""" override TestAsServer """
TestAsServer.setUpPostSession(self)
# Let Tribler start downloading an non-functioning torrent, so
# we can talk to a normal download engine.
self.tdef = TorrentDef()
self.sourcefn = os.path.join(os.getcwd(),"API","file2.wmv")
self.tdef.add_content(self.sourcefn)
self.tdef.set_create_merkle_torrent(True)
self.tdef.set_tracker("http://127.0.0.1:12/announce")
self.tdef.finalize()
self.torrentfn = os.path.join(self.session.get_state_dir(),"gen.torrent")
self.tdef.save(self.torrentfn)
dscfg = self.setUpDownloadConfig()
self.session.start_download(self.tdef,dscfg)
self.infohash = self.tdef.get_infohash()
self.mylistenport = 4810
self.numpieces = (self.tdef.get_length()+self.tdef.get_piece_length()-1) / self.tdef.get_piece_length()
b = Bitfield(self.numpieces)
for i in range(self.numpieces):
b[i] = True
self.assert_(b.complete())
self.seederbitfieldstr = b.tostring()
#piece_hashes = ['\x01\x02\x03\x04\x05\x06\x07\x08\x07\x06\x05\x04\x03\x02\x01\x00\x01\x02\x03\x04' ] * npieces
# Construct Merkle tree
tdef2 = TorrentDef()
tdef2.add_content(self.sourcefn)
tdef2.set_create_merkle_torrent(False)
tdef2.set_tracker("http://127.0.0.1:12/announce")
tdef2.set_piece_length(self.tdef.get_piece_length())
tdef2.finalize()
metainfo = tdef2.get_metainfo()
piecesstr = metainfo['info']['pieces']
print >>sys.stderr,"test: pieces has len",len(piecesstr)
piece_hashes = []
for i in range(0,len(piecesstr),20):
hash = piecesstr[i:i+20]
print >>sys.stderr,"test: piece",i/20,"hash",`hash`
piece_hashes.append(hash)
print >>sys.stderr,"test: Putting",len(piece_hashes),"into MerkleTree, size",self.tdef.get_piece_length(),tdef2.get_piece_length()
self.tree = MerkleTree(self.tdef.get_piece_length(),self.tdef.get_length(),None,piece_hashes)
f = open(self.sourcefn,"rb")
piece1 = f.read(2 ** 18)
piece2 = f.read(2 ** 18)
print >>sys.stderr,"read piece1",len(piece1)
print >>sys.stderr,"read piece2",len(piece2)
f.close()
hash1 = sha(piece1).digest()
hash2 = sha(piece2).digest()
print >>sys.stderr,"hash piece1",`hash1`
print >>sys.stderr,"hash piece2",`hash2`
f2 = open("piece1.bin","wb")
f2.write(piece2)
f2.close()
def setUpDownloadConfig(self):
dscfg = DownloadStartupConfig()
print >>sys.stderr,"test: Downloading to",self.config_path
dscfg.set_dest_dir(self.config_path)
dscfg.set_breakup_seed_bitfield(False)
return dscfg
def tearDown(self):
TestAsServer.tearDown(self)
try:
os.remove('piece1.bin')
except:
pass
def singtest_good_hashpiece_bepstyle(self):
self.subtest_good_hashpiece(False)
def singtest_good_hashpiece_oldstyle(self):
self.subtest_good_hashpiece(True)
def singtest_good_request_bepstyle(self):
# Let Session download file first
self.subtest_good_hashpiece(False)
# Now connect as different peer and download
print >>sys.stderr,"\n\ntest: test_good_request: STARTING"
self._test_good_request()
def singtest_bad_hashpiece_bepstyle(self):
self.subtest_bad_hashpiece(False)
def singtest_bad_hashpiece_oldstyle(self):
self.subtest_bad_hashpiece(True)
#
# Good hashpiece message
#
def subtest_good_hashpiece(self,oldstyle):
print >>sys.stderr,"test: Testing good hashpiece, oldstyle",oldstyle
if oldstyle:
self._test_good(self.create_good_hashpiece,oldstyle,self.create_good_tribler_extend_hs,infohash=self.infohash)
else:
options = '\x00\x00\x00\x00\x00\x10\x00\x00'
self._test_good(self.create_good_hashpiece,oldstyle,self.create_good_nontribler_extend_hs,options=options,infohash=self.infohash)
def _test_good(self,msg_gen_func,oldstyle,extend_hs_gen_func,options=None,infohash=None):
if options is None and infohash is None:
s = BTConnection('localhost',self.hisport)
elif options is None:
s = BTConnection('localhost',self.hisport,user_infohash=infohash)
elif infohash is None:
s = BTConnection('localhost',self.hisport,user_option_pattern=options)
else:
s = BTConnection('localhost',self.hisport,user_option_pattern=options,user_infohash=infohash)
print >>sys.stderr,"test: test_good: Create EXTEND HS"
msg = extend_hs_gen_func()
print >>sys.stderr,"test: test_good: Sending EXTEND HS",`msg`
s.send(msg)
print >>sys.stderr,"test: test_good: Waiting for BT HS"
s.read_handshake_medium_rare()
# Tribler should send an EXTEND message back
try:
print >>sys.stderr,"test: Waiting for reply"
s.s.settimeout(10.0)
resp = s.recv()
self.assert_(len(resp) > 0)
print >>sys.stderr,"test: Got reply",getMessageName(resp[0])
self.assert_(resp[0] == EXTEND)
self.check_tribler_extend_hs(resp[1:])
# 1. Pretend we're seeder: send BITFIELD and UNCHOKE
msg = BITFIELD+self.seederbitfieldstr
s.send(msg)
msg = UNCHOKE
s.send(msg)
print >>sys.stderr,"test: Pretend we are seeder"
while True:
resp = s.recv()
self.assert_(len(resp) > 0)
print >>sys.stderr,"test: Got reply2",getMessageName(resp[0])
self.assert_(resp[0] == REQUEST or resp[0] == INTERESTED or resp[0] == UNCHOKE or resp[0] == HAVE or resp[0] == NOT_INTERESTED)
if resp[0] == REQUEST:
chunkid = self.check_request(resp)
# 2. Reply to REQUEST with HASHPIECE (oldstyle) or Tr_hashpiece
msg = msg_gen_func(oldstyle,chunkid)
s.send(msg)
elif resp[0] == NOT_INTERESTED:
break
#s.close()
except socket.timeout:
print >> sys.stderr,"test: Timeout, bad, peer didn't reply in time"
self.assert_(False)
destfn = os.path.join(self.config_path,"file2.wmv")
sf = open(self.sourcefn,"rb")
df = open(destfn,"rb")
n = self.tdef.get_piece_length()
while True:
sdata = sf.read(n)
if len(sdata) == 0:
break
ddata = df.read(n)
self.assert_(sdata == ddata)
time.sleep(3)
s.close()
def create_good_nontribler_extend_hs(self):
""" Merkle BEP style """
d = {}
d['m'] = {'Tr_hashpiece':250}
d['p'] = self.mylistenport
d['v'] = 'TestSweet 1.2.3.4'
bd = bencode(d)
return EXTEND+chr(0)+bd
def create_good_tribler_extend_hs(self):
""" old Tribler style """
d = {}
d['m'] = {'Tr_OVERLAYSWARM':253}
d['p'] = self.mylistenport
d['v'] = 'Tribler 3.5.1'
bd = bencode(d)
return EXTEND+chr(0)+bd
def check_tribler_extend_hs(self,data):
self.assert_(data[0] == chr(0))
d = bdecode(data[1:])
self.assert_(type(d) == DictType)
self.assert_('m' in d.keys())
m = d['m']
self.assert_(type(m) == DictType)
self.assert_('Tr_hashpiece' in m.keys())
val = m['Tr_hashpiece']
self.assert_(type(val) == IntType)
self.assert_(val == 250)
def check_request(self,data):
index = toint(data[1:5])
begin = toint(data[5:9])
length = toint(data[9:])
return (index,begin,length)
def create_good_hashpiece(self,oldstyle,chunkid):
index, begin, length = chunkid
if begin == 0:
ohlist = self.tree.get_hashes_for_piece(index)
else:
ohlist = []
chunk = self.read_chunk(index,begin,length)
bohlist = bencode(ohlist)
print >>sys.stderr,"test: create_good_hashpiece:",index,begin,length,"==len",len(chunk)
payload = tobinary(index)+tobinary(begin)+tobinary(len(bohlist))+bohlist+chunk
if oldstyle:
msg = HASHPIECE+payload
else:
# Offical: use the msg ID he defined in his handshake
msg = EXTEND+HASHPIECE+payload
return msg
def read_chunk(self,index,begin,length):
offset = index*self.tdef.get_piece_length() + begin
f = open(self.sourcefn,"rb")
f.seek(offset)
chunk = f.read(length)
f.close()
return chunk
#
# Test whether Tribler sends good Tr_hashpiece on our requests
#
def _test_good_request(self):
options = '\x00\x00\x00\x00\x00\x10\x00\x00'
myid = Rand.rand_bytes(20)
s = BTConnection('localhost',self.hisport,user_option_pattern=options,user_infohash=self.infohash,myid=myid)
msg = self.create_good_nontribler_extend_hs()
s.send(msg)
s.read_handshake_medium_rare()
# Tribler should send an EXTEND message back
try:
print >>sys.stderr,"test: Waiting for reply"
s.s.settimeout(10.0)
resp = s.recv()
self.assert_(len(resp) > 0)
print >>sys.stderr,"test: Got reply",getMessageName(resp[0])
self.assert_(resp[0] == EXTEND)
self.check_tribler_extend_hs(resp[1:])
# 1. Pretend we're leecher: send INTERESTED
msg = INTERESTED
s.send(msg)
print >>sys.stderr,"test: Pretend we are leecher"
while True:
resp = s.recv()
self.assert_(len(resp) > 0)
print >>sys.stderr,"test: Got reply2",getMessageName(resp[0])
if resp[0] == EXTEND:
print >>sys.stderr,"test: Got EXTEND type",getMessageName(resp[1])
self.assert_(resp[0] == UNCHOKE or resp[0] == BITFIELD or resp[0] == EXTEND or resp[0] == HAVE)
if resp[0] == UNCHOKE:
# 2. Reply with REQUESTs
for index in range(0,self.numpieces):
plen = self.get_piece_length(index)
for begin in range(0,plen,2 ** 14):
length = self.get_chunk_length(index,begin)
print >>sys.stderr,"RETRIEVE",index,begin,length
chunkid = (index,begin,length)
msg = self.create_request(chunkid)
s.send(msg)
#s.send(NOT_INTERESTED)
elif resp[0] == EXTEND and resp[1] == HASHPIECE:
done = self.check_hashpiece(resp)
if done:
break
elif resp[0] == BITFIELD:
self.check_bitfield(resp)
#s.close()
except socket.timeout:
print >> sys.stderr,"test: Timeout, bad, peer didn't reply in time"
self.assert_(False)
time.sleep(3)
s.close()
def get_piece_length(self,index):
if index == (self.numpieces-1):
plen = self.tdef.get_length() % self.tdef.get_piece_length()
else:
plen = self.tdef.get_piece_length()
return plen
def get_chunk_length(self,index,begin):
plen = self.get_piece_length(index)
length = 2 ** 14
if index == (self.numpieces-1):
if (begin+2 ** 14) > plen:
length = plen - begin
return length
def create_request(self,chunkid):
index,begin,length = chunkid
return REQUEST+tobinary(index)+tobinary(begin)+tobinary(length)
def check_hashpiece(self,resp):
""" Merkle BEP style """
print >>sys.stderr,"test: good_request: check_hashpiece"
self.assert_(resp[0] == EXTEND)
self.assert_(resp[1] == HASHPIECE)
index = toint(resp[2:2+4])
begin = toint(resp[6:6+4])
ohlen = toint(resp[10:10+4])
print >>sys.stderr,"test: good_request: check_hashpiece",index,begin,ohlen
bohlist = resp[14:14+ohlen]
hisohlist = bdecode(bohlist)
hischunk = resp[14+ohlen:]
if begin == 0:
self.assert_(type(hisohlist) == ListType)
for oh in hisohlist:
self.assert_(type(oh) == ListType)
self.assert_(len(oh) == 2)
self.assert_(type(oh[0]) == IntType)
self.assert_(type(oh[1]) == StringType)
hisohlist.sort()
print >>sys.stderr,"test: good_request: check_hashpiece",`hisohlist`
myohlist = self.tree.get_hashes_for_piece(index)
myohlist.sort()
self.assert_(len(hisohlist) == len(myohlist))
for i in range(0,len(hisohlist)):
hisoh = hisohlist[i]
myoh = myohlist[i]
self.assert_(hisoh == myoh)
else:
self.assert_(len(hisohlist) == 0)
mylength = self.get_chunk_length(index,begin)
mychunk = self.read_chunk(index,begin,mylength)
self.assert_(hischunk == mychunk)
return index == self.numpieces-1 and mylength != 2 ** 14
def check_bitfield(self,data):
self.assert_(data[0] == BITFIELD)
bitmap = data[1:]
self.assert_(len(bitmap) == 1)
# Must have set_breakup_seed_bitfield() set to False
self.assert_(bitmap == '\xc0')
#
# Bad EXTEND handshake message
#
def subtest_bad_hashpiece(self,oldstyle):
if not oldstyle:
# Test becomes equivalent to BT keep alive message (len 0, payload '')
self._test_bad(self.create_empty,oldstyle)
self._test_bad(self.create_ext_id_not_byte,oldstyle)
self._test_bad(self.create_not_hashpiece,oldstyle)
self._test_bad(self.create_not_index,oldstyle)
self._test_bad(self.create_not_begin,oldstyle)
self._test_bad(self.create_not_len_bohlist,oldstyle)
self._test_bad(self.create_ohlist_not_bdecodable,oldstyle)
self._test_bad(self.create_ohlist_wrong_no_hashes,oldstyle)
self._test_bad(self.create_ohlist_wrong_no_root_hash,oldstyle)
self._test_bad(self.create_ohlist_wrong_bad_offset,oldstyle)
self._test_bad(self.create_ohlist_wrong_bad_hash,oldstyle)
# TODO: need working peer kicking for that
##self._test_bad(self.create_bad_chunk,oldstyle)
#
# Main test code for bad EXTEND handshake messages
#
def _test_bad(self,msg_gen_func,oldstyle):
print >>sys.stderr,"test: test_BAD: Create EXTEND HS",`msg_gen_func`,oldstyle
if oldstyle:
options = None
exthsmsg = self.create_good_tribler_extend_hs()
else:
options = '\x00\x00\x00\x00\x00\x10\x00\x00'
exthsmsg = self.create_good_nontribler_extend_hs()
s = BTConnection('localhost',self.hisport,user_option_pattern=options,user_infohash=self.infohash)
s.send(exthsmsg)
s.read_handshake_medium_rare()
# Tribler should send an EXTEND message back
try:
print >>sys.stderr,"test: Waiting for reply"
s.s.settimeout(10.0)
resp = s.recv()
self.assert_(len(resp) > 0)
print >>sys.stderr,"test: Got reply",getMessageName(resp[0])
self.assert_(resp[0] == EXTEND)
self.check_tribler_extend_hs(resp[1:])
# 1. Pretend we're seeder: send BITFIELD and UNCHOKE
msg = BITFIELD+self.seederbitfieldstr
s.send(msg)
msg = UNCHOKE
s.send(msg)
print >>sys.stderr,"test: Pretend we are seeder"
while True:
resp = s.recv()
self.assert_(len(resp) > 0)
print >>sys.stderr,"test: Got reply 2",getMessageName(resp[0])
self.assert_(resp[0] == REQUEST or resp[0] == INTERESTED or resp[0] == UNCHOKE or resp[0] == HAVE or resp[0] == NOT_INTERESTED)
if resp[0] == REQUEST:
chunkid = self.check_request(resp)
# 2. Reply to REQUEST with *bad* HASHPIECE
msg = msg_gen_func(chunkid)
if oldstyle:
if len(msg) == 1:
msg = ''
else:
msg = msg[1:] # Strip EXTEND byte
s.send(msg)
break
#s.close()
except socket.timeout:
print >> sys.stderr,"test: Timeout, bad, peer didn't reply in time"
self.assert_(False)
time.sleep(3)
# Should have closed the connection
try:
s.send(UNCHOKE)
self.assert_(False)
except:
print_exc()
s.close()
#
# Bad message creators (all create Merkle BEP style, I strip first byte
# later for oldstyle
#
def create_empty(self,chunkid):
return EXTEND
def create_ext_id_not_byte(self,chunkid):
return EXTEND+'Hallo kijkbuiskinderen'
def create_not_hashpiece(self,chunkid):
index,begin,length = chunkid
ohlist = []
bohlist = bencode(ohlist)
chunk = self.read_chunk(index,begin,length)
payload = tobinary(index)+tobinary(begin)+tobinary(len(bohlist))+bohlist+chunk
return EXTEND+chr(231)+payload
def create_not_index(self,chunkid):
payload = 'bla'
return EXTEND+HASHPIECE+payload
def create_not_begin(self,chunkid):
index,begin,length = chunkid
payload = tobinary(index)+'bla'
return EXTEND+HASHPIECE+payload
def create_not_len_bohlist(self,chunkid):
index,begin,length = chunkid
payload = tobinary(index)+tobinary(begin)+'bla'
return EXTEND+HASHPIECE+payload
def create_ohlist_not_bdecodable(self,chunkid):
index,begin,length = chunkid
bohlist = 'bla'
chunk = '*' * (2 ** 14)
payload = tobinary(index)+tobinary(begin)+tobinary(len(bohlist))+bohlist+chunk
return EXTEND+HASHPIECE+payload
def create_ohlist_wrong_no_hashes(self,chunkid):
index,begin,length = chunkid
ohlist = [ (0,'#' * 20),(1,'$' * 20)] # should contain 3 for file2.wmv: own, sibling and root
bohlist = bencode(ohlist)
chunk = '*' * (2 ** 14)
payload = tobinary(index)+tobinary(begin)+tobinary(len(bohlist))+bohlist+chunk
return EXTEND+HASHPIECE+payload
def create_ohlist_wrong_no_root_hash(self,chunkid):
index,begin,length = chunkid
ohlist = self.tree.get_hashes_for_piece(index)
newohlist = []
# Remove root hash
for oh in ohlist:
if oh[0] != 0:
newohlist.append(oh)
ohlist = newohlist
bohlist = bencode(ohlist)
chunk = self.read_chunk(index,begin,length)
payload = tobinary(index)+tobinary(begin)+tobinary(len(bohlist))+bohlist+chunk
return EXTEND+HASHPIECE+payload
def create_ohlist_wrong_bad_offset(self,chunkid):
index,begin,length = chunkid
ohlist = self.tree.get_hashes_for_piece(index)
ohlist[1][0] = 481
bohlist = bencode(ohlist)
chunk = self.read_chunk(index,begin,length)
payload = tobinary(index)+tobinary(begin)+tobinary(len(bohlist))+bohlist+chunk
return EXTEND+HASHPIECE+payload
def create_ohlist_wrong_bad_hash(self,chunkid):
index,begin,length = chunkid
ohlist = self.tree.get_hashes_for_piece(index)
ohlist[1][1] = '$' * 20
bohlist = bencode(ohlist)
chunk = self.read_chunk(index,begin,length)
payload = tobinary(index)+tobinary(begin)+tobinary(len(bohlist))+bohlist+chunk
return EXTEND+HASHPIECE+payload
def create_bad_chunk(self,chunkid):
index,begin,length = chunkid
ohlist = self.tree.get_hashes_for_piece(index)
bohlist = bencode(ohlist)
chunk = '*' * length
payload = tobinary(index)+tobinary(begin)+tobinary(len(bohlist))+bohlist+chunk
return EXTEND+HASHPIECE+payload