def __init__(self, conn, names, timeout):
self.sock = None
self.connection = conn
self.event_names = {}
for name in names:
self.event_names[name] = 0
self.timeout = timeout
self.connection._op_connect_request()
(h, oid, buf) = self.connection._op_response()
family = buf[:2]
port = bytes_to_bint(buf[2:4], u=True)
if family == b'\x02\x00': # IPv4
ip_address = '.'.join([str(byte_to_int(c)) for c in buf[4:8]])
elif family == b'\x0a\x00': # IPv6
address = bytes_to_hex(buf[8:24])
if not isinstance(address, str): # Py3
address = address.decode('ascii')
ip_address = ':'.join(
[address[i:i + 4] for i in range(0, len(address), 4)])
self.sock = SocketStream(ip_address, port, timeout)
self.connection.last_event_id += 1
self.event_id = self.connection.last_event_id
self.connection._op_que_events(self.event_names, self.event_id)
(h, oid, buf) = self.connection._op_response()
(event_id, event_names) = self._wait_for_event(timeout=timeout)
assert event_id == self.event_id # treat only one event_id
self.event_names.update(event_names)
def __init__(
self, dsn=None, user=None, password=None, role=None, host=None,
database=None, charset=DEFAULT_CHARSET, port=None,
page_size=4096, is_services=False, cloexec=False,
timeout=None, isolation_level=None, use_unicode=None,
auth_plugin_name=None, wire_crypt=True, create_new=False,
timezone=None
):
DEBUG_OUTPUT("Connection::__init__()")
if auth_plugin_name is None:
auth_plugin_name = 'Srp256'
WireProtocol.__init__(self)
self.sock = None
self.db_handle = None
(self.hostname, self.port, self.filename, self.user, self.password) = parse_dsn(dsn, host, port, database, user, password)
self.role = role
self.charset = charset
self.timeout = float(timeout) if timeout is not None else None
self.auth_plugin_name = auth_plugin_name
self.wire_crypt = wire_crypt
self.page_size = page_size
self.is_services = is_services
if isolation_level is None:
self.isolation_level = ISOLATION_LEVEL_READ_COMMITED
else:
self.isolation_level = int(isolation_level)
self.use_unicode = use_unicode
self.timezone = timezone
self.last_event_id = 0
self._autocommit = False
self._transaction = None
self.sock = SocketStream(self.hostname, self.port, self.timeout, cloexec)
self._op_connect(auth_plugin_name, wire_crypt)
try:
self._parse_connect_response()
except OperationalError as e:
self.sock.close()
self.sock = None
raise e
if create_new: # create database
self._op_create(self.page_size)
elif self.is_services: # service api
self._op_service_attach()
else: # connect
self._op_attach()
(h, oid, buf) = self._op_response()
self.db_handle = h
def __init__(self, conn, names, timeout):
self.sock = None
self.connection = conn
self.event_names = {}
for name in names:
self.event_names[name] = 0
self.timeout = timeout
(h, port, family, ip_address) = self.connection._op_connect_request()
self.sock = SocketStream(ip_address, port, timeout)
self.connection.last_event_id += 1
self.event_id = self.connection.last_event_id
self.connection._op_que_events(self.event_names, 0, 0, self.event_id)
(h, oid, buf) = self.connection._op_response()
(event_id, event_names) = self._wait_for_event(timeout=timeout)
assert event_id == self.event_id # treat only one event_id
self.event_names.update(event_names)
def __init__(self, conn, names, timeout):
self.sock = None
self.connection = conn
self.event_names = {}
for name in names:
self.event_names[name] = 0
self.timeout = timeout
self.connection._op_connect_request()
(h, oid, buf) = self.connection._op_response()
family = bytes_to_bint(buf[:2])
port = bytes_to_bint(buf[2:4], u=True)
ip_address = '.'.join([str(byte_to_int(c)) for c in buf[4:8]])
self.sock = SocketStream(ip_address, port, timeout)
self.connection.last_event_id += 1
self.event_id = self.connection.last_event_id
self.connection._op_que_events(self.event_names, self.event_id)
(h, oid, buf) = self.connection._op_response()
(event_id, event_names) = self._wait_for_event(timeout=timeout)
assert event_id == self.event_id # treat only one event_id
self.event_names.update(event_names)
