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
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.options = OrderedDict()
self.options[b'blksize'] = b'9'
self.options[b'tsize'] = b'34'
self.rs = RemoteOriginReadSession(('127.0.0.1', 65465), self.reader,
options=self.options, _clock=self.clock)
self.rs.transport = self.transport
def _startSession(self, datagram, addr, mode):
# Set up a call context so that we can pass extra arbitrary
# information to interested backends without adding extra call
# arguments, or switching to using a request object, for example.
context = {}
if self.transport is not None:
# Add the local and remote addresses to the call context.
local = self.transport.getHost()
context["local"] = local.host, local.port
context["remote"] = addr
try:
if datagram.opcode == OP_WRQ:
fs_interface = yield call(context, self.backend.get_writer,
datagram.filename)
elif datagram.opcode == OP_RRQ:
fs_interface = yield call(context, self.backend.get_reader,
datagram.filename)
except Unsupported as e:
self.transport.write(
ERRORDatagram.from_code(
ERR_ILLEGAL_OP,
u"{}".format(e).encode("ascii", "replace")).to_wire(),
addr)
except AccessViolation:
self.transport.write(
ERRORDatagram.from_code(ERR_ACCESS_VIOLATION).to_wire(), addr)
except FileExists:
self.transport.write(
ERRORDatagram.from_code(ERR_FILE_EXISTS).to_wire(), addr)
except FileNotFound:
self.transport.write(
ERRORDatagram.from_code(ERR_FILE_NOT_FOUND).to_wire(), addr)
except BackendError as e:
self.transport.write(
ERRORDatagram.from_code(
ERR_NOT_DEFINED,
u"{}".format(e).encode("ascii", "replace")).to_wire(),
addr)
else:
if datagram.opcode == OP_WRQ:
if mode == b'netascii':
fs_interface = NetasciiReceiverProxy(fs_interface)
session = RemoteOriginWriteSession(addr,
fs_interface,
datagram.options,
_clock=self._clock)
reactor.listenUDP(0, session)
returnValue(session)
elif datagram.opcode == OP_RRQ:
if mode == b'netascii':
fs_interface = NetasciiSenderProxy(fs_interface)
session = RemoteOriginReadSession(addr,
fs_interface,
datagram.options,
_clock=self._clock)
reactor.listenUDP(0, session)
returnValue(session)
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
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 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.options = OrderedDict()
self.options[b'blksize'] = b'9'
self.options[b'tsize'] = b'34'
self.rs = RemoteOriginReadSession(('127.0.0.1', 65465), self.reader,
options=self.options, _clock=self.clock)
self.rs.transport = self.transport
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)
ERRORDatagram.from_code(ERR_ACCESS_VIOLATION).to_wire(), addr)
except FileExists:
self.transport.write(
ERRORDatagram.from_code(ERR_FILE_EXISTS).to_wire(), addr)
except FileNotFound:
self.transport.write(
ERRORDatagram.from_code(ERR_FILE_NOT_FOUND).to_wire(), addr)
except BackendError, e:
self.transport.write(
ERRORDatagram.from_code(ERR_NOT_DEFINED, str(e)).to_wire(),
addr)
else:
if datagram.opcode == OP_WRQ:
if mode == 'netascii':
fs_interface = NetasciiReceiverProxy(fs_interface)
session = RemoteOriginWriteSession(addr,
fs_interface,
datagram.options,
_clock=self._clock)
reactor.listenUDP(0, session)
returnValue(session)
elif datagram.opcode == OP_RRQ:
if mode == 'netascii':
fs_interface = NetasciiSenderProxy(fs_interface)
session = RemoteOriginReadSession(addr,
fs_interface,
datagram.options,
_clock=self._clock)
reactor.listenUDP(0, session)
returnValue(session)
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()
