class RemoteOriginReadOptionNegotiation(unittest.TestCase):
test_data = """line1
line2
anotherline"""
port = 65466
def setUp(self):
self.clock = Clock()
self.tmp_dir_path = tempfile.mkdtemp()
self.target = FilePath(self.tmp_dir_path).child('foo')
with self.target.open('wb') as temp_fd:
temp_fd.write(self.test_data)
self.reader = DelayedReader(self.target, _clock=self.clock, delay=2)
self.transport = FakeTransport(hostAddress=('127.0.0.1', self.port))
self.rs = RemoteOriginReadSession(('127.0.0.1', 65465), self.reader,
options={'blksize':'9'}, _clock=self.clock)
self.rs.transport = self.transport
def test_option_normal(self):
self.rs.startProtocol()
self.clock.advance(0.1)
oack_datagram = OACKDatagram({'blksize':'9'}).to_wire()
self.assertEqual(self.transport.value(), oack_datagram)
self.clock.advance(3)
self.assertEqual(self.transport.value(), oack_datagram * 2)
self.transport.clear()
self.rs.datagramReceived(ACKDatagram(0).to_wire(), ('127.0.0.1', 65465))
self.clock.pump((1,)*3)
self.assertEqual(self.transport.value(), DATADatagram(1, self.test_data[:9]).to_wire())
self.addCleanup(self.rs.cancel)
def test_option_timeout(self):
self.rs.startProtocol()
self.clock.advance(0.1)
oack_datagram = OACKDatagram({'blksize':'9'}).to_wire()
self.assertEqual(self.transport.value(), oack_datagram)
self.failIf(self.transport.disconnecting)
self.clock.advance(3)
self.assertEqual(self.transport.value(), oack_datagram * 2)
self.failIf(self.transport.disconnecting)
self.clock.advance(2)
self.assertEqual(self.transport.value(), oack_datagram * 3)
self.failIf(self.transport.disconnecting)
self.clock.advance(2)
self.assertEqual(self.transport.value(), oack_datagram * 3)
self.failUnless(self.transport.disconnecting)
def tearDown(self):
shutil.rmtree(self.tmp_dir_path)
class BootstrapRemoteOriginRead(unittest.TestCase):
test_data = """line1
line2
anotherline"""
port = 65466
def setUp(self):
self.clock = Clock()
self.tmp_dir_path = tempfile.mkdtemp()
self.target = FilePath(self.tmp_dir_path).child('foo')
with self.target.open('wb') as temp_fd:
temp_fd.write(self.test_data)
self.reader = DelayedReader(self.target, _clock=self.clock, delay=2)
self.transport = FakeTransport(hostAddress=('127.0.0.1', self.port))
self.rs = RemoteOriginReadSession(('127.0.0.1', 65465), self.reader, _clock=self.clock)
self.rs.transport = self.transport
@inlineCallbacks
def test_invalid_tid(self):
self.rs.startProtocol()
data_datagram = DATADatagram(1, 'foobar')
yield self.rs.datagramReceived(data_datagram, ('127.0.0.1', 11111))
err_dgram = TFTPDatagramFactory(*split_opcode(self.transport.value()))
self.assertEqual(err_dgram.errorcode, ERR_TID_UNKNOWN)
self.addCleanup(self.rs.cancel)
def test_remote_origin_read_bootstrap(self):
# First datagram
self.rs.session.block_size = 5
self.rs.startProtocol()
self.clock.pump((1,)*3)
data_datagram_1 = DATADatagram(1, self.test_data[:5])
self.assertEqual(self.transport.value(), data_datagram_1.to_wire())
self.failIf(self.transport.disconnecting)
# Normal exchange continues
self.transport.clear()
self.rs.datagramReceived(ACKDatagram(1).to_wire(), ('127.0.0.1', 65465))
self.clock.pump((1,)*3)
data_datagram_2 = DATADatagram(2, self.test_data[5:10])
self.assertEqual(self.transport.value(), data_datagram_2.to_wire())
self.failIf(self.transport.disconnecting)
self.addCleanup(self.rs.cancel)
def tearDown(self):
shutil.rmtree(self.tmp_dir_path)
class BootstrapRemoteOriginRead(unittest.TestCase):
test_data = """line1
line2
anotherline"""
port = 65466
def setUp(self):
self.clock = Clock()
self.tmp_dir_path = tempfile.mkdtemp()
self.target = FilePath(self.tmp_dir_path).child('foo')
with self.target.open('wb') as temp_fd:
temp_fd.write(self.test_data)
self.reader = DelayedReader(self.target, _clock=self.clock, delay=2)
self.transport = FakeTransport(hostAddress=('127.0.0.1', self.port))
self.rs = RemoteOriginReadSession(('127.0.0.1', 65465), self.reader, _clock=self.clock)
self.rs.transport = self.transport
@inlineCallbacks
def test_invalid_tid(self):
self.rs.startProtocol()
data_datagram = DATADatagram(1, 'foobar')
yield self.rs.datagramReceived(data_datagram, ('127.0.0.1', 11111))
err_dgram = TFTPDatagramFactory(*split_opcode(self.transport.value()))
self.assertEqual(err_dgram.errorcode, ERR_TID_UNKNOWN)
self.addCleanup(self.rs.cancel)
def test_remote_origin_read_bootstrap(self):
# First datagram
self.rs.session.block_size = 5
self.rs.startProtocol()
self.clock.pump((1,)*3)
data_datagram_1 = DATADatagram(1, self.test_data[:5])
self.assertEqual(self.transport.value(), data_datagram_1.to_wire())
self.failIf(self.transport.disconnecting)
# Normal exchange continues
self.transport.clear()
self.rs.datagramReceived(ACKDatagram(1).to_wire(), ('127.0.0.1', 65465))
self.clock.pump((1,)*3)
data_datagram_2 = DATADatagram(2, self.test_data[5:10])
self.assertEqual(self.transport.value(), data_datagram_2.to_wire())
self.failIf(self.transport.disconnecting)
self.addCleanup(self.rs.cancel)
def tearDown(self):
shutil.rmtree(self.tmp_dir_path)
class RemoteOriginReadOptionNegotiation(unittest.TestCase):
test_data = """line1
line2
anotherline"""
port = 65466
def setUp(self):
self.clock = Clock()
self.tmp_dir_path = tempfile.mkdtemp()
self.target = FilePath(self.tmp_dir_path).child('foo')
with self.target.open('wb') as temp_fd:
temp_fd.write(self.test_data)
self.reader = DelayedReader(self.target, _clock=self.clock, delay=2)
self.transport = FakeTransport(hostAddress=('127.0.0.1', self.port))
self.options = OrderedDict()
self.options['blksize'] = '9'
self.options['tsize'] = '34'
self.rs = RemoteOriginReadSession(('127.0.0.1', 65465), self.reader,
options=self.options, _clock=self.clock)
self.rs.transport = self.transport
def test_option_normal(self):
self.rs.startProtocol()
self.clock.advance(0.1)
oack_datagram = OACKDatagram(self.options).to_wire()
self.assertEqual(self.transport.value(), oack_datagram)
self.clock.advance(3)
self.assertEqual(self.transport.value(), oack_datagram * 2)
self.transport.clear()
self.rs.datagramReceived(ACKDatagram(0).to_wire(), ('127.0.0.1', 65465))
self.clock.pump((1,)*3)
self.assertEqual(self.transport.value(), DATADatagram(1, self.test_data[:9]).to_wire())
self.addCleanup(self.rs.cancel)
def test_option_timeout(self):
self.rs.startProtocol()
self.clock.advance(0.1)
oack_datagram = OACKDatagram(self.options).to_wire()
self.assertEqual(self.transport.value(), oack_datagram)
self.failIf(self.transport.disconnecting)
self.clock.advance(3)
self.assertEqual(self.transport.value(), oack_datagram * 2)
self.failIf(self.transport.disconnecting)
self.clock.advance(2)
self.assertEqual(self.transport.value(), oack_datagram * 3)
self.failIf(self.transport.disconnecting)
self.clock.advance(2)
self.assertEqual(self.transport.value(), oack_datagram * 3)
self.failUnless(self.transport.disconnecting)
def test_option_tsize(self):
# A tsize option of 0 sent as part of a read session prompts a tsize
# response with the actual size of the file.
self.options['tsize'] = '0'
self.rs.startProtocol()
self.clock.advance(0.1)
self.transport.clear()
self.clock.advance(3)
# The response contains the size of the test data.
self.options['tsize'] = str(len(self.test_data))
oack_datagram = OACKDatagram(self.options).to_wire()
self.assertEqual(self.transport.value(), oack_datagram)
def tearDown(self):
shutil.rmtree(self.tmp_dir_path)
class BootstrapRemoteOriginRead(unittest.TestCase):
test_data = b"""line1
line2
anotherline"""
port = 65466
def setUp(self):
self.clock = Clock()
self.temp_dir = FilePath(tempfile.mkdtemp()).asBytesMode()
self.target = self.temp_dir.child(b'foo')
with self.target.open('wb') as temp_fd:
temp_fd.write(self.test_data)
self.reader = DelayedReader(self.target, _clock=self.clock, delay=2)
self.transport = FakeTransport(hostAddress=('127.0.0.1', self.port))
self.rs = RemoteOriginReadSession(('127.0.0.1', 65465), self.reader, _clock=self.clock)
self.rs.transport = self.transport
@inlineCallbacks
def test_invalid_tid(self):
self.rs.startProtocol()
data_datagram = DATADatagram(1, b'foobar')
yield self.rs.datagramReceived(data_datagram, ('127.0.0.1', 11111))
err_dgram = TFTPDatagramFactory(*split_opcode(self.transport.value()))
self.assertEqual(err_dgram.errorcode, ERR_TID_UNKNOWN)
self.addCleanup(self.rs.cancel)
def test_remote_origin_read_bootstrap(self):
# First datagram
self.rs.session.block_size = 5
self.rs.startProtocol()
self.clock.pump((1,)*3)
data_datagram_1 = DATADatagram(1, self.test_data[:5])
self.assertEqual(self.transport.value(), data_datagram_1.to_wire())
self.assertFalse(self.transport.disconnecting)
# Normal exchange continues
self.transport.clear()
self.rs.datagramReceived(ACKDatagram(1).to_wire(), ('127.0.0.1', 65465))
self.clock.pump((1,)*3)
data_datagram_2 = DATADatagram(2, self.test_data[5:10])
self.assertEqual(self.transport.value(), data_datagram_2.to_wire())
self.assertFalse(self.transport.disconnecting)
self.addCleanup(self.rs.cancel)
def test_remote_origin_read_session_not_started_rollover(self):
# if a rollover is done, we reach blocknum 0 again. But this time
# session is already started.
# Here we test the case where rollover has not happened yet
data_datagram = DATADatagram(1, self.test_data[:5])
data_datagram.opcode = OP_ACK
data_datagram.blocknum = 0
self.rs.session.block_size = 5
self.clock.pump((1,)*3)
self.rs.session.transport = b"Fake"
self.rs.session.started = False
self.rs._datagramReceived(data_datagram)
self.assertEqual(self.rs.session.started, True)
self.assertEqual(self.rs.session.transport, self.rs.transport)
self.addCleanup(self.rs.cancel)
def test_remote_origin_read_session_started_rollover(self):
# if a rollover is done, we reach blocknum 0 again. But this time
# session is already started.
# Here we test the case where rollover has already happened
data_datagram = DATADatagram(1, self.test_data[:5])
data_datagram.opcode = OP_ACK
data_datagram.blocknum = 0
self.rs.session.block_size = 5
self.rs.startProtocol()
self.clock.pump((1,)*3)
self.assertEqual(
self.rs._datagramReceived(data_datagram),
self.rs.session.datagramReceived(data_datagram))
self.addCleanup(self.rs.cancel)
def tearDown(self):
self.temp_dir.remove()
class RemoteOriginReadOptionNegotiation(unittest.TestCase):
test_data = """line1
line2
anotherline"""
port = 65466
def setUp(self):
self.clock = Clock()
self.tmp_dir_path = tempfile.mkdtemp()
self.target = FilePath(self.tmp_dir_path).child('foo')
with self.target.open('wb') as temp_fd:
temp_fd.write(self.test_data)
self.reader = DelayedReader(self.target, _clock=self.clock, delay=2)
self.transport = FakeTransport(hostAddress=('127.0.0.1', self.port))
self.options = OrderedDict()
self.options['blksize'] = '9'
self.options['tsize'] = '34'
self.rs = RemoteOriginReadSession(('127.0.0.1', 65465), self.reader,
options=self.options, _clock=self.clock)
self.rs.transport = self.transport
def test_option_normal(self):
self.rs.startProtocol()
self.clock.advance(0.1)
oack_datagram = OACKDatagram(self.options).to_wire()
self.assertEqual(self.transport.value(), oack_datagram)
self.clock.advance(3)
self.assertEqual(self.transport.value(), oack_datagram * 2)
self.transport.clear()
self.rs.datagramReceived(ACKDatagram(0).to_wire(), ('127.0.0.1', 65465))
self.clock.pump((1,)*3)
self.assertEqual(self.transport.value(), DATADatagram(1, self.test_data[:9]).to_wire())
self.addCleanup(self.rs.cancel)
def test_option_timeout(self):
self.rs.startProtocol()
self.clock.advance(0.1)
oack_datagram = OACKDatagram(self.options).to_wire()
self.assertEqual(self.transport.value(), oack_datagram)
self.failIf(self.transport.disconnecting)
self.clock.advance(3)
self.assertEqual(self.transport.value(), oack_datagram * 2)
self.failIf(self.transport.disconnecting)
self.clock.advance(2)
self.assertEqual(self.transport.value(), oack_datagram * 3)
self.failIf(self.transport.disconnecting)
self.clock.advance(2)
self.assertEqual(self.transport.value(), oack_datagram * 3)
self.failUnless(self.transport.disconnecting)
def test_option_tsize(self):
# A tsize option of 0 sent as part of a read session prompts a tsize
# response with the actual size of the file.
self.options['tsize'] = '0'
self.rs.startProtocol()
self.clock.advance(0.1)
self.transport.clear()
self.clock.advance(3)
# The response contains the size of the test data.
self.options['tsize'] = str(len(self.test_data))
oack_datagram = OACKDatagram(self.options).to_wire()
self.assertEqual(self.transport.value(), oack_datagram)
def tearDown(self):
shutil.rmtree(self.tmp_dir_path)
class BootstrapRemoteOriginRead(unittest.TestCase):
test_data = b"""line1
line2
anotherline"""
port = 65466
def setUp(self):
self.clock = Clock()
self.temp_dir = FilePath(tempfile.mkdtemp()).asBytesMode()
self.target = self.temp_dir.child(b'foo')
with self.target.open('wb') as temp_fd:
temp_fd.write(self.test_data)
self.reader = DelayedReader(self.target, _clock=self.clock, delay=2)
self.transport = FakeTransport(hostAddress=('127.0.0.1', self.port))
self.rs = RemoteOriginReadSession(('127.0.0.1', 65465),
self.reader,
_clock=self.clock)
self.rs.transport = self.transport
@inlineCallbacks
def test_invalid_tid(self):
self.rs.startProtocol()
data_datagram = DATADatagram(1, b'foobar')
yield self.rs.datagramReceived(data_datagram, ('127.0.0.1', 11111))
err_dgram = TFTPDatagramFactory(*split_opcode(self.transport.value()))
self.assertEqual(err_dgram.errorcode, ERR_TID_UNKNOWN)
self.addCleanup(self.rs.cancel)
def test_remote_origin_read_bootstrap(self):
# First datagram
self.rs.session.block_size = 5
self.rs.startProtocol()
self.clock.pump((1, ) * 3)
data_datagram_1 = DATADatagram(1, self.test_data[:5])
self.assertEqual(self.transport.value(), data_datagram_1.to_wire())
self.assertFalse(self.transport.disconnecting)
# Normal exchange continues
self.transport.clear()
self.rs.datagramReceived(
ACKDatagram(1).to_wire(), ('127.0.0.1', 65465))
self.clock.pump((1, ) * 3)
data_datagram_2 = DATADatagram(2, self.test_data[5:10])
self.assertEqual(self.transport.value(), data_datagram_2.to_wire())
self.assertFalse(self.transport.disconnecting)
self.addCleanup(self.rs.cancel)
def test_remote_origin_read_session_not_started_rollover(self):
# if a rollover is done, we reach blocknum 0 again. But this time
# session is already started.
# Here we test the case where rollover has not happened yet
data_datagram = DATADatagram(1, self.test_data[:5])
data_datagram.opcode = OP_ACK
data_datagram.blocknum = 0
self.rs.session.block_size = 5
self.clock.pump((1, ) * 3)
self.rs.session.transport = b"Fake"
self.rs.session.started = False
self.rs._datagramReceived(data_datagram)
self.assertEqual(self.rs.session.started, True)
self.assertEqual(self.rs.session.transport, self.rs.transport)
self.addCleanup(self.rs.cancel)
def test_remote_origin_read_session_started_rollover(self):
# if a rollover is done, we reach blocknum 0 again. But this time
# session is already started.
# Here we test the case where rollover has already happened
data_datagram = DATADatagram(1, self.test_data[:5])
data_datagram.opcode = OP_ACK
data_datagram.blocknum = 0
self.rs.session.block_size = 5
self.rs.startProtocol()
self.clock.pump((1, ) * 3)
self.assertEqual(self.rs._datagramReceived(data_datagram),
self.rs.session.datagramReceived(data_datagram))
self.addCleanup(self.rs.cancel)
def tearDown(self):
self.temp_dir.remove()
