def test_term_to_binary_atom(self):
self.assertEqual(b'\x83s\0',
erlang.term_to_binary(erlang.OtpErlangAtom(b'')))
self.assertEqual(
b'\x83s\4test',
erlang.term_to_binary(erlang.OtpErlangAtom(b'test'))
)
def test_term_to_binary_integer(self):
self.assertEqual(b'\x83b\xff\xff\xff\xff', erlang.term_to_binary(-1))
self.assertEqual(b'\x83b\x80\0\0\0',
erlang.term_to_binary(-2147483648))
self.assertEqual(b'\x83b\0\0\1\0', erlang.term_to_binary(256))
self.assertEqual(b'\x83b\x7f\xff\xff\xff',
erlang.term_to_binary(2147483647))
def test_term_to_binary_integer(self):
self.assertEqual(b'\x83b\xff\xff\xff\xff', erlang.term_to_binary(-1))
self.assertEqual(b'\x83b\x80\0\0\0',
erlang.term_to_binary(-2147483648))
self.assertEqual(b'\x83b\0\0\1\0', erlang.term_to_binary(256))
self.assertEqual(b'\x83b\x7f\xff\xff\xff',
erlang.term_to_binary(2147483647))
def test_term_to_binary_tuple(self):
self.assertEqual(b'\x83h\0', erlang.term_to_binary(()))
self.assertEqual(b'\x83h\2h\0h\0', erlang.term_to_binary(((), ())))
self.assertEqual(b'\x83h\xff' + b'h\0' * 255,
erlang.term_to_binary(tuple([()] * 255)))
self.assertEqual(b'\x83i\0\0\1\0' + b'h\0' * 256,
erlang.term_to_binary(tuple([()] * 256)))
def test_term_to_binary_tuple(self):
self.assertEqual(b'\x83h\0', erlang.term_to_binary(()))
self.assertEqual(b'\x83h\2h\0h\0', erlang.term_to_binary(((), ())))
self.assertEqual(b'\x83h\xff' + b'h\0' * 255,
erlang.term_to_binary(tuple([()] * 255)))
self.assertEqual(b'\x83i\0\0\1\0' + b'h\0' * 256,
erlang.term_to_binary(tuple([()] * 256)))
def test_term_to_binary_improper_list(self):
self.assertEqual(
b'\x83l\0\0\0\1h\0h\0',
erlang.term_to_binary(erlang.OtpErlangList([(), ()],
improper=True)))
self.assertEqual(
b'\x83l\0\0\0\1a\0a\1',
erlang.term_to_binary(erlang.OtpErlangList([0, 1], improper=True)))
def test_term_to_binary_long_integer(self):
self.assertEqual(b'\x83n\4\0\0\0\0\x80',
erlang.term_to_binary(2147483648))
self.assertEqual(b'\x83n\4\1\1\0\0\x80',
erlang.term_to_binary(-2147483649))
self.assertEqual(b'\x83o\0\0\1\0\0' + b'\0' * 255 + b'\1',
erlang.term_to_binary(2 ** 2040))
self.assertEqual(b'\x83o\0\0\1\0\1' + b'\0' * 255 + b'\1',
erlang.term_to_binary(-2 ** 2040))
def test_term_to_binary_long_integer(self):
self.assertEqual(b'\x83n\4\0\0\0\0\x80',
erlang.term_to_binary(2147483648))
self.assertEqual(b'\x83n\4\1\1\0\0\x80',
erlang.term_to_binary(-2147483649))
self.assertEqual(b'\x83o\0\0\1\0\0' + b'\0' * 255 + b'\1',
erlang.term_to_binary(2**2040))
self.assertEqual(b'\x83o\0\0\1\0\1' + b'\0' * 255 + b'\1',
erlang.term_to_binary(-2**2040))
def test_term_to_binary_float(self):
self.assertEqual(b'\x83F\0\0\0\0\0\0\0\0', erlang.term_to_binary(0.0))
self.assertEqual(b'\x83F?\xe0\0\0\0\0\0\0', erlang.term_to_binary(0.5))
self.assertEqual(b'\x83F\xbf\xe0\0\0\0\0\0\0',
erlang.term_to_binary(-0.5))
self.assertEqual(b'\x83F@\t!\xfbM\x12\xd8J',
erlang.term_to_binary(3.1415926))
self.assertEqual(b'\x83F\xc0\t!\xfbM\x12\xd8J',
erlang.term_to_binary(-3.1415926))
def test_term_to_binary_float(self):
self.assertEqual(b'\x83F\0\0\0\0\0\0\0\0', erlang.term_to_binary(0.0))
self.assertEqual(b'\x83F?\xe0\0\0\0\0\0\0', erlang.term_to_binary(0.5))
self.assertEqual(b'\x83F\xbf\xe0\0\0\0\0\0\0',
erlang.term_to_binary(-0.5))
self.assertEqual(b'\x83F@\t!\xfbM\x12\xd8J',
erlang.term_to_binary(3.1415926))
self.assertEqual(b'\x83F\xc0\t!\xfbM\x12\xd8J',
erlang.term_to_binary(-3.1415926))
def test_term_to_binary_improper_list(self):
self.assertEqual(b'\x83l\0\0\0\1h\0h\0',
erlang.term_to_binary(
erlang.OtpErlangList([(), ()], improper=True)
)
)
self.assertEqual(b'\x83l\0\0\0\1a\0a\1',
erlang.term_to_binary(
erlang.OtpErlangList([0, 1], improper=True)
)
)
def test_term_to_binary_list(self):
self.assertEqual(b'\x83l\0\0\0\1jj', erlang.term_to_binary([[]]))
self.assertEqual(b'\x83l\0\0\0\5jjjjjj',
erlang.term_to_binary([[], [], [], [], []]))
self.assertEqual(b'\x83l\0\0\0\5jjjjjj',
erlang.term_to_binary(erlang.OtpErlangList([
erlang.OtpErlangList([]),
erlang.OtpErlangList([]),
erlang.OtpErlangList([]),
erlang.OtpErlangList([]),
erlang.OtpErlangList([])]
))
)
def test_term_to_binary_list(self):
self.assertEqual(b'\x83l\0\0\0\1jj', erlang.term_to_binary([[]]))
self.assertEqual(b'\x83l\0\0\0\5jjjjjj',
erlang.term_to_binary([[], [], [], [], []]))
self.assertEqual(
b'\x83l\0\0\0\5jjjjjj',
erlang.term_to_binary(
erlang.OtpErlangList([
erlang.OtpErlangList([]),
erlang.OtpErlangList([]),
erlang.OtpErlangList([]),
erlang.OtpErlangList([]),
erlang.OtpErlangList([])
])))
def send_cmd(name, cmd):
# REG_SEND control message
ctrl_msg = (6,
erl.OtpErlangPid(erl.OtpErlangAtom(name), '\x00\x00\x00\x03',
'\x00\x00\x00\x00', '\x00'),
erl.OtpErlangAtom(''), erl.OtpErlangAtom('rex'))
msg = (erl.OtpErlangPid(erl.OtpErlangAtom(name), '\x00\x00\x00\x03',
'\x00\x00\x00\x00', '\x00'),
(erl.OtpErlangAtom('call'), erl.OtpErlangAtom('os'),
erl.OtpErlangAtom('cmd'), [cmd], erl.OtpErlangAtom('user')))
new_data = '\x70' + erl.term_to_binary(ctrl_msg) + erl.term_to_binary(msg)
return pack('!I', len(new_data)) + new_data
def subscribe_count(self, pattern):
"""
returns the number of subscriptions for a single service name pattern
"""
self.__send(term_to_binary((OtpErlangAtom(b'subscribe_count'),
pattern)))
return self.__poll_request(None, False)
def __handle_events(self, external, data, data_size, j, command=None):
if command is None:
if j > data_size:
raise message_decoding_exception()
i, j = j, j + 4
command = struct.unpack(b'=I', data[i:j])[0]
while True:
if command == _MESSAGE_TERM:
self.__terminate = True
if external:
return False
else:
raise terminate_exception(self.__timeout_terminate)
elif command == _MESSAGE_REINIT:
i, j = j, j + 4
self.__process_count = struct.unpack(b'=I', data[i:j])[0]
elif command == _MESSAGE_KEEPALIVE:
self.__send(term_to_binary(OtpErlangAtom(b'keepalive')))
else:
raise message_decoding_exception()
if j > data_size:
raise message_decoding_exception()
elif j == data_size:
return True
i, j = j, j + 4
command = struct.unpack(b'=I', data[i:j])[0]
def __forward_sync_nothrow(self, name, request_info, request,
timeout, priority, trans_id, pid):
self.__send(term_to_binary((OtpErlangAtom('forward_sync'), name,
OtpErlangBinary(request_info),
OtpErlangBinary(request),
timeout, priority,
OtpErlangBinary(trans_id), pid)))
def RequestMediaToken(self, channel_id):
if channel_id is None:
raise Exception("channel_id is None!")
ring_data = {
OtpErlangBinary('op', bits=8): 4,
OtpErlangBinary('d', bits=8): {
OtpErlangBinary('self_mute', bits=8):
False,
OtpErlangBinary('channel_id', bits=8):
OtpErlangBinary(channel_id, bits=8),
OtpErlangBinary('guild_id', bits=8):
OtpErlangAtom('nil'),
OtpErlangBinary('self_deaf', bits=8):
False,
OtpErlangBinary('self_video', bits=8):
False
}
}
ring_data = erlang.term_to_binary(ring_data)
self.__ws.send_binary(ring_data)
Logger.LogMessage("Sending -> {} bytes to media server".format(
len(ring_data)))
#Logger.LogMessage("Ring packet", to_file=True, hex_data=ring_data)
self.__recvUntilKey('token')
Logger.LogMessage("Received media token: {}".format(
self.__session_settings['token']),
log_level=LogLevel.OK)
return self.__session_settings['token']
def __handle_events(self, external, data, data_size, j, command=None):
# pylint: disable=too-many-arguments
if command is None:
if j > data_size:
raise MessageDecodingException()
i, j = j, j + 4
command = struct.unpack(b'=I', data[i:j])[0]
while True:
if command == _MESSAGE_TERM:
self.__terminate = True
if external:
return False
else:
raise TerminateException(self.__timeout_terminate)
elif command == _MESSAGE_REINIT:
i, j = j, j + 4 + 4 + 4 + 1
(self.__process_count,
self.__timeout_async, self.__timeout_sync,
self.__priority_default) = struct.unpack(
b'=IIIb', data[i:j]
)
elif command == _MESSAGE_KEEPALIVE:
self.__send(term_to_binary(OtpErlangAtom(b'keepalive')))
else:
raise MessageDecodingException()
if j > data_size:
raise MessageDecodingException()
elif j == data_size:
return True
i, j = j, j + 4
command = struct.unpack(b'=I', data[i:j])[0]
def __handle_events(self, external, data, data_size, j, command=None):
if command is None:
if j > data_size:
raise message_decoding_exception()
i, j = j, j + 4
command = struct.unpack(b'=I', data[i:j])[0]
while True:
if command == _MESSAGE_TERM:
self.__terminate = True
if external:
return False
else:
raise terminate_exception(self.__timeout_terminate)
elif command == _MESSAGE_REINIT:
i, j = j, j + 4
self.__process_count = struct.unpack(b'=I', data[i:j])[0]
elif command == _MESSAGE_KEEPALIVE:
self.__send(term_to_binary(OtpErlangAtom(b'keepalive')))
else:
raise message_decoding_exception()
if j > data_size:
raise message_decoding_exception()
elif j == data_size:
return True
i, j = j, j + 4
command = struct.unpack(b'=I', data[i:j])[0]
def send(term, stream):
"""Write an Erlang term to an output stream."""
payload = erlang.term_to_binary(term)
header = struct.pack('!I', len(payload))
stream.write(header)
stream.write(payload)
stream.flush()
def shutdown(self, reason=None):
"""
shutdown the service successfully
"""
if reason is None:
reason = b''
self.__send(term_to_binary((OtpErlangAtom(b'shutdown'), reason)))
def recv_async(self, timeout=None, trans_id=None, consume=True):
if timeout is None:
timeout = self.__timeout_sync
if trans_id is None:
trans_id = chr(0) * 16
self.__send(term_to_binary((OtpErlangAtom("recv_async"), timeout, OtpErlangBinary(trans_id), consume)))
return self.__poll_request(False)
def __return_sync_nothrow(self, name, pattern, response_info, response,
timeout, transId, pid):
self.__send(term_to_binary((OtpErlangAtom("return_sync"),
name, pattern,
OtpErlangBinary(response_info),
OtpErlangBinary(response), timeout,
OtpErlangBinary(transId), pid)))
def __forward_sync_nothrow(self, name, request_info, request, timeout,
priority, trans_id, pid):
self.__send(
term_to_binary(
(OtpErlangAtom('forward_sync'), name,
OtpErlangBinary(request_info), OtpErlangBinary(request),
timeout, priority, OtpErlangBinary(trans_id), pid)))
def __init__(self, thread_index):
protocol_str = os.getenv('CLOUDI_API_INIT_PROTOCOL')
if protocol_str is None:
raise invalid_input_exception()
buffer_size_str = os.getenv('CLOUDI_API_INIT_BUFFER_SIZE')
if buffer_size_str is None:
raise invalid_input_exception()
if protocol_str == 'tcp':
self.__s = socket.fromfd(
thread_index + 3, socket.AF_INET, socket.SOCK_STREAM
)
self.__use_header = True
elif protocol_str == 'udp':
self.__s = socket.fromfd(
thread_index + 3, socket.AF_INET, socket.SOCK_DGRAM
)
self.__use_header = False
elif protocol_str == 'local':
self.__s = socket.fromfd(
thread_index + 3, socket.AF_UNIX, socket.SOCK_STREAM
)
self.__use_header = True
else:
raise invalid_input_exception()
self.__initializtion_complete = False
self.__size = int(buffer_size_str)
self.__callbacks = {}
self.__send(term_to_binary(OtpErlangAtom('init')))
(self.__prefix,
self.__timeout_async, self.__timeout_sync,
self.__priority_default,
self.__request_timeout_adjustment) = self.__poll_request(False)
def __init__(self, thread_index):
protocol_str = os.getenv('CLOUDI_API_INIT_PROTOCOL')
if protocol_str is None:
raise InvalidInputException()
buffer_size_str = os.getenv('CLOUDI_API_INIT_BUFFER_SIZE')
if buffer_size_str is None:
raise InvalidInputException()
if protocol_str == 'tcp':
self.__s = socket.fromfd(thread_index + 3, socket.AF_INET,
socket.SOCK_STREAM)
self.__use_header = True
elif protocol_str == 'udp':
self.__s = socket.fromfd(thread_index + 3, socket.AF_INET,
socket.SOCK_DGRAM)
self.__use_header = False
elif protocol_str == 'local':
self.__s = socket.fromfd(thread_index + 3, socket.AF_UNIX,
socket.SOCK_STREAM)
self.__use_header = True
else:
raise InvalidInputException()
self.__initialization_complete = False
self.__terminate = False
self.__size = int(buffer_size_str)
self.__callbacks = {}
self.__timeout_terminate = 1000 # TIMEOUT_TERMINATE_MIN
self.__send(term_to_binary(OtpErlangAtom(b'init')))
(self.__process_index, self.__process_count, self.__process_count_max,
self.__process_count_min, self.__prefix, self.__timeout_initialize,
self.__timeout_async, self.__timeout_sync, self.__timeout_terminate,
self.__priority_default) = self.__poll_request(None, False)
def __handle_events(self, external, data, data_size, j, command=None):
# pylint: disable=too-many-arguments
if command is None:
if j > data_size:
raise MessageDecodingException()
i, j = j, j + 4
command = struct.unpack(b'=I', data[i:j])[0]
while True:
if command == _MESSAGE_TERM:
self.__terminate = True
if external:
return False
else:
raise TerminateException(self.__timeout_terminate)
elif command == _MESSAGE_REINIT:
i, j = j, j + 4 + 4 + 4 + 1
(self.__process_count, self.__timeout_async,
self.__timeout_sync,
self.__priority_default) = struct.unpack(b'=IIIb', data[i:j])
elif command == _MESSAGE_KEEPALIVE:
self.__send(term_to_binary(OtpErlangAtom(b'keepalive')))
else:
raise MessageDecodingException()
if j > data_size:
raise MessageDecodingException()
elif j == data_size:
return True
i, j = j, j + 4
command = struct.unpack(b'=I', data[i:j])[0]
def subscribe_count(self, pattern):
"""
returns the number of subscriptions for a single service name pattern
"""
self.__send(
term_to_binary((OtpErlangAtom(b'subscribe_count'), pattern)))
return self.__poll_request(None, False)
def _publish(self, image):
data = json.dumps({'data': image})
bin = erlang.term_to_binary(data)
header = pack('!I', len(bin))
self.output_stream.write(header)
self.output_stream.write(bin)
self.output_stream.flush()
def __init__(self, thread_index):
protocol_str = os.getenv('CLOUDI_API_INIT_PROTOCOL')
if protocol_str is None:
raise invalid_input_exception()
buffer_size_str = os.getenv('CLOUDI_API_INIT_BUFFER_SIZE')
if buffer_size_str is None:
raise invalid_input_exception()
if protocol_str == 'tcp':
self.__s = socket.fromfd(
thread_index + 3, socket.AF_INET, socket.SOCK_STREAM
)
self.__use_header = True
elif protocol_str == 'udp':
self.__s = socket.fromfd(
thread_index + 3, socket.AF_INET, socket.SOCK_DGRAM
)
self.__use_header = False
elif protocol_str == 'local':
self.__s = socket.fromfd(
thread_index + 3, socket.AF_UNIX, socket.SOCK_STREAM
)
self.__use_header = True
else:
raise invalid_input_exception()
self.__initializtion_complete = False
self.__size = int(buffer_size_str)
self.__callbacks = {}
self.__send(term_to_binary(OtpErlangAtom('init')))
(self.__prefix,
self.__timeout_async, self.__timeout_sync,
self.__priority_default,
self.__request_timeout_adjustment) = self.__poll_request(False)
def shutdown(self, reason=None):
"""
shutdown the service successfully
"""
if reason is None:
reason = b''
self.__send(term_to_binary((OtpErlangAtom(b'shutdown'),
reason)))
def send(self, term):
"""Write an Erlang term to an output stream."""
stream = self.output
payload = erlang.term_to_binary(term)
header = struct.pack('!I', len(payload))
stream.write(header)
stream.write(payload)
stream.flush()
def return_sync(self, name, pattern, response_info, response,
timeout, trans_id, pid):
self.__send(term_to_binary((OtpErlangAtom(b'return_sync'),
name, pattern,
OtpErlangBinary(response_info),
OtpErlangBinary(response), timeout,
OtpErlangBinary(trans_id), pid)))
raise return_sync_exception()
def recv_async(self, timeout=None, trans_id=None, consume=True):
if timeout is None:
timeout = self.__timeout_sync
if trans_id is None:
trans_id = chr(0) * 16
self.__send(term_to_binary((OtpErlangAtom('recv_async'), timeout,
OtpErlangBinary(trans_id), consume)))
return self.__poll_request(False)
def forward_async(self, name, request_info, request,
timeout, priority, trans_id, pid):
self.__send(term_to_binary((OtpErlangAtom(b'forward_async'), name,
OtpErlangBinary(request_info),
OtpErlangBinary(request),
timeout, priority,
OtpErlangBinary(trans_id), pid)))
raise forward_async_exception()
def forward_sync(self, name, request_info, request,
timeout, priority, transId, pid):
self.__send(term_to_binary((OtpErlangAtom("forward_sync"), name,
OtpErlangBinary(request_info),
OtpErlangBinary(request),
timeout, priority,
OtpErlangBinary(transId), pid)))
raise return_sync_exception()
def unsubscribe(self, pattern):
key = self.__prefix + pattern
value = self.__callbacks.get(key, None)
assert value is not None
value.popleft()
if len(value) == 0:
del self.__callbacks[key]
self.__send(term_to_binary((OtpErlangAtom("unsubscribe"), pattern)))
def recv_async(self, timeout=None, transId=None):
if timeout is None:
timeout = self.__timeout_sync
if transId is None:
transId = chr(0) * 16
self.__send(term_to_binary((OtpErlangAtom("recv_async"), timeout,
OtpErlangBinary(transId))))
return self.poll()
def test_term_to_binary_compressed_term(self):
self.assertEqual(
b'\x83P\x00\x00\x00\x15'
b'x\x9c\xcba``\xe0\xcfB\x03\x00B@\x07\x1c',
erlang.term_to_binary([[]] * 15, compressed=True))
self.assertEqual(
b'\x83P\x00\x00\x00\x15'
b'x\x9c\xcba``\xe0\xcfB\x03\x00B@\x07\x1c',
erlang.term_to_binary([[]] * 15, compressed=6))
self.assertEqual(
b'\x83P\x00\x00\x00\x15'
b'x\xda\xcba``\xe0\xcfB\x03\x00B@\x07\x1c',
erlang.term_to_binary([[]] * 15, compressed=9))
self.assertEqual(
b'\x83P\x00\x00\x00\x15'
b'x\x01\x01\x15\x00\xea\xffl\x00\x00\x00'
b'\x0fjjjjjjjjjjjjjjjjB@\x07\x1c',
erlang.term_to_binary([[]] * 15, compressed=0))
self.assertEqual(
b'\x83P\x00\x00\x00\x15'
b'x\x01\xcba``\xe0\xcfB\x03\x00B@\x07\x1c',
erlang.term_to_binary([[]] * 15, 1))
self.assertEqual(
b'\x83P\0\0\0\x17\x78\xda\xcb\x66'
b'\x10\x49\xc1\2\0\x5d\x60\x08\x50',
erlang.term_to_binary(b'd' * 20, compressed=9))
self.assertEqual(
b'\x83P\x00\x00\x00\x19x\xda\xcbe``'
b'\x10I\xc1\x02\x00^j\x08R',
erlang.term_to_binary(u'd' * 20, compressed=9))
def test_term_to_binary_string_list(self):
self.assertEqual(b'\x83j', erlang.term_to_binary(''))
self.assertEqual(b'\x83k\0\1\0', erlang.term_to_binary('\0'))
s = (b'\x00\x01\x02\x03\x04\x05\x06\x07\x08\t\n\x0b\x0c\r'
b'\x0e\x0f\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a'
b'\x1b\x1c\x1d\x1e\x1f !"#$%&\'()*+,-./0123456789:;<=>'
b'?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopq'
b'rstuvwxyz{|}~\x7f\x80\x81\x82\x83\x84\x85\x86\x87\x88'
b'\x89\x8a\x8b\x8c\x8d\x8e\x8f\x90\x91\x92\x93\x94\x95'
b'\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f\xa0\xa1\xa2'
b'\xa3\xa4\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xad\xae\xaf'
b'\xb0\xb1\xb2\xb3\xb4\xb5\xb6\xb7\xb8\xb9\xba\xbb\xbc'
b'\xbd\xbe\xbf\xc0\xc1\xc2\xc3\xc4\xc5\xc6\xc7\xc8\xc9'
b'\xca\xcb\xcc\xcd\xce\xcf\xd0\xd1\xd2\xd3\xd4\xd5\xd6'
b'\xd7\xd8\xd9\xda\xdb\xdc\xdd\xde\xdf\xe0\xe1\xe2\xe3'
b'\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee\xef\xf0'
b'\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff')
self.assertEqual(b'\x83k\1\0' + s, erlang.term_to_binary(s))
def test_binary_to_term_port(self):
port_old_binary = (
b'\x83\x66\x64\x00\x0D\x6E\x6F\x6E\x6F\x64\x65\x40\x6E\x6F\x68'
b'\x6F\x73\x74\x00\x00\x00\x06\x00'
)
port_old = erlang.binary_to_term(port_old_binary)
self.assertTrue(isinstance(port_old, erlang.OtpErlangPort))
self.assertEqual(erlang.term_to_binary(port_old),
b'\x83fs\rnonode@nohost\x00\x00\x00\x06\x00')
port_new_binary = (
b'\x83\x59\x64\x00\x0D\x6E\x6F\x6E\x6F\x64\x65\x40\x6E\x6F\x68'
b'\x6F\x73\x74\x00\x00\x00\x06\x00\x00\x00\x00'
)
port_new = erlang.binary_to_term(port_new_binary)
self.assertTrue(isinstance(port_new, erlang.OtpErlangPort))
self.assertEqual(erlang.term_to_binary(port_new),
b'\x83Ys\rnonode@nohost\x00\x00\x00\x06'
b'\x00\x00\x00\x00')
def test_term_to_binary_string_list(self):
self.assertEqual(b'\x83j', erlang.term_to_binary(''))
self.assertEqual(b'\x83k\0\1\0', erlang.term_to_binary('\0'))
s = (b'\x00\x01\x02\x03\x04\x05\x06\x07\x08\t\n\x0b\x0c\r'
b'\x0e\x0f\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a'
b'\x1b\x1c\x1d\x1e\x1f !"#$%&\'()*+,-./0123456789:;<=>'
b'?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopq'
b'rstuvwxyz{|}~\x7f\x80\x81\x82\x83\x84\x85\x86\x87\x88'
b'\x89\x8a\x8b\x8c\x8d\x8e\x8f\x90\x91\x92\x93\x94\x95'
b'\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f\xa0\xa1\xa2'
b'\xa3\xa4\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xad\xae\xaf'
b'\xb0\xb1\xb2\xb3\xb4\xb5\xb6\xb7\xb8\xb9\xba\xbb\xbc'
b'\xbd\xbe\xbf\xc0\xc1\xc2\xc3\xc4\xc5\xc6\xc7\xc8\xc9'
b'\xca\xcb\xcc\xcd\xce\xcf\xd0\xd1\xd2\xd3\xd4\xd5\xd6'
b'\xd7\xd8\xd9\xda\xdb\xdc\xdd\xde\xdf\xe0\xe1\xe2\xe3'
b'\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee\xef\xf0'
b'\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff')
self.assertEqual(b'\x83k\1\0' + s, erlang.term_to_binary(s))
def test_binary_to_term_pid(self):
pid_old_binary = (
b'\x83\x67\x64\x00\x0D\x6E\x6F\x6E\x6F\x64\x65\x40\x6E\x6F'
b'\x68\x6F\x73\x74\x00\x00\x00\x4E\x00\x00\x00\x00\x00'
)
pid_old = erlang.binary_to_term(pid_old_binary)
self.assertTrue(isinstance(pid_old, erlang.OtpErlangPid))
self.assertEqual(erlang.term_to_binary(pid_old),
b'\x83gs\rnonode@nohost\x00\x00\x00N'
b'\x00\x00\x00\x00\x00')
pid_new_binary = (
b'\x83\x58\x64\x00\x0D\x6E\x6F\x6E\x6F\x64\x65\x40\x6E\x6F\x68'
b'\x6F\x73\x74\x00\x00\x00\x4E\x00\x00\x00\x00\x00\x00\x00\x00'
)
pid_new = erlang.binary_to_term(pid_new_binary)
self.assertTrue(isinstance(pid_new, erlang.OtpErlangPid))
self.assertEqual(erlang.term_to_binary(pid_new),
b'\x83Xs\rnonode@nohost\x00\x00\x00N'
b'\x00\x00\x00\x00\x00\x00\x00\x00')
def recv_async(self, timeout=None, trans_id=None, consume=True):
"""
blocks to receive an asynchronous service request response
"""
if timeout is None:
timeout = self.__timeout_sync
if trans_id is None:
trans_id = b'\0' * 16
self.__send(term_to_binary((OtpErlangAtom(b'recv_async'), timeout,
OtpErlangBinary(trans_id), consume)))
return self.__poll_request(None, False)
def subscribe(self, pattern, Function):
args, varargs, varkw, defaults = inspect.getargspec(Function)
if len(args) != 10: # self + arguments, so a non-static method
raise invalid_input_exception()
key = self.__prefix + pattern
value = self.__callbacks.get(key, None)
if value is None:
self.__callbacks[key] = collections.deque([Function])
else:
value.append(Function)
self.__send(term_to_binary((OtpErlangAtom("subscribe"), pattern)))
def forward_sync(self, name, request_info, request,
timeout, priority, trans_id, pid):
"""
forwards a synchronous service request to a different service name
"""
# pylint: disable=too-many-arguments
self.__send(term_to_binary((OtpErlangAtom(b'forward_sync'), name,
OtpErlangBinary(request_info),
OtpErlangBinary(request),
timeout, priority,
OtpErlangBinary(trans_id), pid)))
raise ForwardSyncException()
def return_sync(self, name, pattern, response_info, response,
timeout, trans_id, pid):
"""
provides a response to a synchronous service request
"""
# pylint: disable=too-many-arguments
self.__send(term_to_binary((OtpErlangAtom(b'return_sync'),
name, pattern,
OtpErlangBinary(response_info),
OtpErlangBinary(response), timeout,
OtpErlangBinary(trans_id), pid)))
raise ReturnSyncException()
def unsubscribe(self, pattern):
"""
unsubscribes from a service name pattern once
"""
key = self.__prefix + pattern
value = self.__callbacks.get(key, None)
assert value is not None
value.popleft()
if len(value) == 0:
del self.__callbacks[key]
self.__send(term_to_binary((OtpErlangAtom(b'unsubscribe'),
pattern)))
def send_sync(self, name, request,
timeout=None, request_info=None, priority=None):
if timeout is None:
timeout = self.__timeout_sync
if request_info is None:
request_info = b''
if priority is None:
priority = self.__priority_default
self.__send(term_to_binary((OtpErlangAtom(b'send_sync'), name,
OtpErlangBinary(request_info),
OtpErlangBinary(request),
timeout, priority)))
return self.__poll_request(None, False)
def mcast_async(self, name, request,
timeout=None, request_info=None, priority=None):
if timeout is None:
timeout = self.__timeout_async
if request_info is None:
request_info = ''
if priority is None:
priority = self.__priority_default
self.__send(term_to_binary((OtpErlangAtom("mcast_async"), name,
OtpErlangBinary(request_info),
OtpErlangBinary(request),
timeout, priority)))
return self.poll()
def forward_sync(self, name, request_info, request,
timeout, priority, trans_id, pid):
if self.__request_timeout_adjustment:
if timeout == self.__request_timeout:
elapsed = max(0, int(default_timer() - self.__request_timer))
if elapsed > timeout:
timeout = 0
else:
timeout -= elapsed
self.__send(term_to_binary((OtpErlangAtom('forward_sync'), name,
OtpErlangBinary(request_info),
OtpErlangBinary(request),
timeout, priority,
OtpErlangBinary(trans_id), pid)))
raise forward_sync_exception()
def send_sync(self, name, request,
timeout=None, request_info=None, priority=None):
"""
sends a synchronous service request
"""
# pylint: disable=too-many-arguments
if timeout is None:
timeout = self.__timeout_sync
if request_info is None:
request_info = b''
if priority is None:
priority = self.__priority_default
self.__send(term_to_binary((OtpErlangAtom(b'send_sync'), name,
OtpErlangBinary(request_info),
OtpErlangBinary(request),
timeout, priority)))
return self.__poll_request(None, False)
def return_sync(self, name, pattern, response_info, response,
timeout, trans_id, pid):
if self.__request_timeout_adjustment:
if timeout == self.__request_timeout:
elapsed = max(0, int(default_timer() - self.__request_timer))
if elapsed > timeout:
response_info = ''
response = ''
timeout = 0
else:
timeout -= elapsed
self.__send(term_to_binary((OtpErlangAtom('return_sync'),
name, pattern,
OtpErlangBinary(response_info),
OtpErlangBinary(response), timeout,
OtpErlangBinary(trans_id), pid)))
raise return_sync_exception()
def subscribe(self, pattern, function):
"""
subscribes to a service name pattern with a callback
"""
if _function_argc(function) != 10:
# self + arguments for a member function
# api + arguments for a static function
raise InvalidInputException()
if not inspect.ismethod(function):
function = partial(function, self)
key = self.__prefix + pattern
value = self.__callbacks.get(key, None)
if value is None:
self.__callbacks[key] = collections.deque([function])
else:
value.append(function)
self.__send(term_to_binary((OtpErlangAtom(b'subscribe'),
pattern)))