def setUp(self):
self.clock = Clock()
self.tmp_dir_path = tempfile.mkdtemp()
self.target = FilePath(self.tmp_dir_path).child('foo')
self.writer = DelayedWriter(self.target, _clock=self.clock, delay=2)
self.transport = FakeTransport(hostAddress=('127.0.0.1', self.port))
self.ws = RemoteOriginWriteSession(('127.0.0.1', 65465), self.writer, _clock=self.clock)
self.ws.transport = self.transport
self.ws.startProtocol()
def setUp(self):
self.clock = Clock()
self.tmp_dir_path = tempfile.mkdtemp()
self.target = FilePath(self.tmp_dir_path).child('foo')
self.writer = DelayedWriter(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'] = '45'
self.ws = RemoteOriginWriteSession(
('127.0.0.1', 65465), self.writer, options=self.options,
_clock=self.clock)
self.ws.transport = self.transport
class BootstrapRemoteOriginWrite(unittest.TestCase):
port = 65466
def setUp(self):
self.clock = Clock()
self.temp_dir = FilePath(tempfile.mkdtemp()).asBytesMode()
self.target = self.temp_dir.child(b'foo')
self.writer = DelayedWriter(self.target, _clock=self.clock, delay=2)
self.transport = FakeTransport(hostAddress=('127.0.0.1', self.port))
self.ws = RemoteOriginWriteSession(('127.0.0.1', 65465),
self.writer,
_clock=self.clock)
self.ws.transport = self.transport
self.ws.startProtocol()
@inlineCallbacks
def test_invalid_tid(self):
bad_tid_dgram = ACKDatagram(123)
yield self.ws.datagramReceived(bad_tid_dgram.to_wire(),
('127.0.0.1', 1111))
err_dgram = TFTPDatagramFactory(*split_opcode(self.transport.value()))
self.assertEqual(err_dgram.errorcode, ERR_TID_UNKNOWN)
self.addCleanup(self.ws.cancel)
def test_remote_origin_write_bootstrap(self):
# Initial ACK
ack_datagram_0 = ACKDatagram(0)
self.clock.advance(0.1)
self.assertEqual(self.transport.value(), ack_datagram_0.to_wire())
self.assertFalse(self.transport.disconnecting)
# Normal exchange
self.transport.clear()
d = self.ws.datagramReceived(
DATADatagram(1, b'foobar').to_wire(), ('127.0.0.1', 65465))
def cb(res):
self.clock.advance(0.1)
ack_datagram_1 = ACKDatagram(1)
self.assertEqual(self.transport.value(), ack_datagram_1.to_wire())
self.assertEqual(self.target.open('r').read(), b'foobar')
self.assertFalse(self.transport.disconnecting)
self.addCleanup(self.ws.cancel)
d.addCallback(cb)
self.clock.advance(3)
return d
def tearDown(self):
self.temp_dir.remove()
class RemoteOriginWriteOptionNegotiation(unittest.TestCase):
port = 65466
def setUp(self):
self.clock = Clock()
self.tmp_dir_path = tempfile.mkdtemp()
self.target = FilePath(self.tmp_dir_path).child('foo')
self.writer = DelayedWriter(self.target, _clock=self.clock, delay=2)
self.transport = FakeTransport(hostAddress=('127.0.0.1', self.port))
self.ws = RemoteOriginWriteSession(('127.0.0.1', 65465), self.writer,
options={'blksize':'9'}, _clock=self.clock)
self.ws.transport = self.transport
def test_option_normal(self):
self.ws.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.ws.datagramReceived(DATADatagram(1, 'foobarbaz').to_wire(), ('127.0.0.1', 65465))
self.clock.pump((1,)*3)
self.assertEqual(self.transport.value(), ACKDatagram(1).to_wire())
self.assertEqual(self.ws.session.block_size, 9)
self.transport.clear()
self.ws.datagramReceived(DATADatagram(2, 'smthng').to_wire(), ('127.0.0.1', 65465))
self.clock.pump((1,)*3)
self.assertEqual(self.transport.value(), ACKDatagram(2).to_wire())
self.clock.pump((1,)*10)
self.writer.finish()
self.assertEqual(self.writer.file_path.open('r').read(), 'foobarbazsmthng')
self.failUnless(self.transport.disconnecting)
def test_option_timeout(self):
self.ws.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 BootstrapRemoteOriginWrite(unittest.TestCase):
port = 65466
def setUp(self):
self.clock = Clock()
self.tmp_dir_path = tempfile.mkdtemp()
self.target = FilePath(self.tmp_dir_path).child("foo")
self.writer = DelayedWriter(self.target, _clock=self.clock, delay=2)
self.transport = FakeTransport(hostAddress=("127.0.0.1", self.port))
self.ws = RemoteOriginWriteSession(("127.0.0.1", 65465), self.writer, _clock=self.clock)
self.ws.transport = self.transport
self.ws.startProtocol()
@inlineCallbacks
def test_invalid_tid(self):
bad_tid_dgram = ACKDatagram(123)
yield self.ws.datagramReceived(bad_tid_dgram.to_wire(), ("127.0.0.1", 1111))
err_dgram = TFTPDatagramFactory(*split_opcode(self.transport.value()))
self.assertEqual(err_dgram.errorcode, ERR_TID_UNKNOWN)
self.addCleanup(self.ws.cancel)
def test_remote_origin_write_bootstrap(self):
# Initial ACK
ack_datagram_0 = ACKDatagram(0)
self.clock.advance(0.1)
self.assertEqual(self.transport.value(), ack_datagram_0.to_wire())
self.failIf(self.transport.disconnecting)
# Normal exchange
self.transport.clear()
d = self.ws.datagramReceived(DATADatagram(1, "foobar").to_wire(), ("127.0.0.1", 65465))
def cb(res):
self.clock.advance(0.1)
ack_datagram_1 = ACKDatagram(1)
self.assertEqual(self.transport.value(), ack_datagram_1.to_wire())
self.assertEqual(self.target.open("r").read(), "foobar")
self.failIf(self.transport.disconnecting)
self.addCleanup(self.ws.cancel)
d.addCallback(cb)
self.clock.advance(3)
return d
def tearDown(self):
shutil.rmtree(self.tmp_dir_path)
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')
self.writer = DelayedWriter(self.target, _clock=self.clock, delay=2)
self.transport = FakeTransport(hostAddress=('127.0.0.1', self.port))
self.ws = RemoteOriginWriteSession(('127.0.0.1', 65465), self.writer, _clock=self.clock)
self.ws.transport = self.transport
self.ws.startProtocol()
def setUp(self):
self.clock = Clock()
self.tmp_dir_path = tempfile.mkdtemp()
self.target = FilePath(self.tmp_dir_path).child("foo")
self.writer = DelayedWriter(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"] = "45"
self.ws = RemoteOriginWriteSession(("127.0.0.1", 65465), self.writer, options=self.options, _clock=self.clock)
self.ws.transport = self.transport
def setUp(self):
self.clock = Clock()
self.tmp_dir_path = tempfile.mkdtemp()
self.target = FilePath(self.tmp_dir_path).child('foo')
self.writer = DelayedWriter(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'] = '45'
self.ws = RemoteOriginWriteSession(
('127.0.0.1', 65465), self.writer, options=self.options,
_clock=self.clock)
self.ws.transport = self.transport
class RemoteOriginWriteOptionNegotiation(unittest.TestCase):
port = 65466
def setUp(self):
self.clock = Clock()
self.tmp_dir_path = tempfile.mkdtemp()
self.target = FilePath(self.tmp_dir_path).child('foo')
self.writer = DelayedWriter(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'] = '45'
self.ws = RemoteOriginWriteSession(
('127.0.0.1', 65465), self.writer, options=self.options,
_clock=self.clock)
self.ws.transport = self.transport
def test_option_normal(self):
self.ws.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.ws.datagramReceived(DATADatagram(1, 'foobarbaz').to_wire(), ('127.0.0.1', 65465))
self.clock.pump((1,)*3)
self.assertEqual(self.transport.value(), ACKDatagram(1).to_wire())
self.assertEqual(self.ws.session.block_size, 9)
self.transport.clear()
self.ws.datagramReceived(DATADatagram(2, 'smthng').to_wire(), ('127.0.0.1', 65465))
self.clock.pump((1,)*3)
self.assertEqual(self.transport.value(), ACKDatagram(2).to_wire())
self.clock.pump((1,)*10)
self.writer.finish()
self.assertEqual(self.writer.file_path.open('r').read(), 'foobarbazsmthng')
self.failUnless(self.transport.disconnecting)
def test_option_timeout(self):
self.ws.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 sent as part of a write session is recorded.
self.ws.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.assertIsInstance(self.ws.session, WriteSession)
# Options are not applied to the WriteSession until the first DATA
# datagram is received,
self.assertIsNone(self.ws.session.tsize)
self.ws.datagramReceived(
DATADatagram(1, 'foobarbaz').to_wire(), ('127.0.0.1', 65465))
# The tsize option has been applied to the WriteSession.
self.assertEqual(45, self.ws.session.tsize)
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 RemoteOriginWriteOptionNegotiation(unittest.TestCase):
port = 65466
def setUp(self):
self.clock = Clock()
self.tmp_dir_path = tempfile.mkdtemp()
self.target = FilePath(self.tmp_dir_path).child('foo')
self.writer = DelayedWriter(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'] = '45'
self.ws = RemoteOriginWriteSession(
('127.0.0.1', 65465), self.writer, options=self.options,
_clock=self.clock)
self.ws.transport = self.transport
def test_option_normal(self):
self.ws.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.ws.datagramReceived(DATADatagram(1, 'foobarbaz').to_wire(), ('127.0.0.1', 65465))
self.clock.pump((1,)*3)
self.assertEqual(self.transport.value(), ACKDatagram(1).to_wire())
self.assertEqual(self.ws.session.block_size, 9)
self.transport.clear()
self.ws.datagramReceived(DATADatagram(2, 'smthng').to_wire(), ('127.0.0.1', 65465))
self.clock.pump((1,)*3)
self.assertEqual(self.transport.value(), ACKDatagram(2).to_wire())
self.clock.pump((1,)*10)
self.writer.finish()
self.assertEqual(self.writer.file_path.open('r').read(), 'foobarbazsmthng')
self.failUnless(self.transport.disconnecting)
def test_option_timeout(self):
self.ws.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 sent as part of a write session is recorded.
self.ws.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.assertIsInstance(self.ws.session, WriteSession)
# Options are not applied to the WriteSession until the first DATA
# datagram is received,
self.assertTrue(self.ws.session.tsize is None)
self.ws.datagramReceived(
DATADatagram(1, 'foobarbaz').to_wire(), ('127.0.0.1', 65465))
# The tsize option has been applied to the WriteSession.
self.assertEqual(45, self.ws.session.tsize)
def tearDown(self):
shutil.rmtree(self.tmp_dir_path)