def is_connected(self):
"""
Return `True` if the filesystem client is connected to the data source, and
`False` otherwise.
"""
self.__assert_server_reachable()
if self.remote and not is_port_bound(self.host, self.port):
self.disconnect()
return False
return self._is_connected()
def __assert_server_reachable(self):
if not is_port_bound(self.host, self.port):
if self.remote and not self.remote.is_port_bound(self._host, self._port):
self.disconnect()
raise DuctServerUnreachable(
"Remote '{}' cannot connect to '{}:{}'. Please check your settings before trying again.".format(
self.remote.name, self._host, self._port))
elif not self.remote:
self.disconnect()
raise DuctServerUnreachable(
"Cannot connect to '{}:{}' on your current connection. Please check your connection before trying again.".format(
self.host, self.port))
def is_connected(self):
"""
Return `True` if the filesystem client is connected to the data source, and
`False` otherwise.
"""
if not self.__prepared:
return False
if self.remote:
if not self.remote.has_port_forward(self._host, self._port):
return False
elif not is_port_bound(self.host, self.port):
self.disconnect()
return False
return self._is_connected()
def __assert_server_reachable(self):
if self.host is not None or self.port is not None:
if self.host is None:
raise ValueError("Port specified but no host provided.")
if self.port is None:
raise ValueError("Host specified but no port specified.")
else:
return
if not is_port_bound(self.host, self.port):
if self.remote and not self.remote.is_port_bound(self._host, self._port):
self.disconnect()
raise DuctServerUnreachable(
"Remote '{}' cannot connect to '{}:{}'. Please check your settings before trying again.".format(
self.remote.name, self._host, self._port))
elif not self.remote:
self.disconnect()
raise DuctServerUnreachable(
"Cannot connect to '{}:{}' on your current connection. Please check your connection before trying again.".format(
self.host, self.port))
def __assert_server_reachable(self):
if self.host is not None or self.port is not None:
if self.host is None:
raise ValueError("Port specified but no host provided.")
if self.port is None:
raise ValueError("Host specified but no port specified.")
else:
return
if not is_port_bound(self.host, self.port):
if self.remote and not self.remote.is_port_bound(self._host, self._port):
self.disconnect()
raise DuctServerUnreachable(
"Remote '{}' cannot connect to '{}:{}'. Please check your settings before trying again.".format(
self.remote.name, self._host, self._port))
elif not self.remote:
self.disconnect()
raise DuctServerUnreachable(
"Cannot connect to '{}:{}' on your current connection. Please check your connection before trying again.".format(
self.host, self.port))
def is_connected(self):
"""
This method checks to see whether a `Duct` instance is currently
connected. This is performed by verifying that the remote host and port
are still accessible, and then by calling `Duct._is_connected`, which
should be implemented by subclasses.
Returns:
bool: Whether this `Duct` instance is currently connected.
"""
if not self.__prepared:
return False
if self.remote:
if not self.remote.has_port_forward(self._host, self._port):
return False
elif not is_port_bound(self.host, self.port):
self.disconnect()
return False
return self._is_connected()
def is_connected(self):
"""
This method checks to see whether a `Duct` instance is currently
connected. This is performed by verifying that the remote host and port
are still accessible, and then by calling `Duct._is_connected`, which
should be implemented by subclasses.
Returns:
bool: Whether this `Duct` instance is currently connected.
"""
if not self.__prepared:
return False
if self.remote:
if not self.remote.has_port_forward(self._host, self._port):
return False
elif not is_port_bound(self.host, self.port):
self.disconnect()
return False
return self._is_connected()
