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-rw-r--r--src/leap/Connection.py129
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diff --git a/src/leap/Connection.py b/src/leap/Connection.py
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+"""
+Base Connection Classs
+"""
+from __future__ import (division, unicode_literals, print_function)
+#import threading
+from functools import partial
+import logging
+
+from leap.utils.coroutines import spawn_and_watch_process
+from leap.baseapp.config import get_config, get_vpn_stdout_mockup
+from leap.eip.vpnwatcher import EIPConnectionStatus, status_watcher
+from leap.eip.vpnmanager import OpenVPNManager, ConnectionRefusedError
+
+from leap.Configuration import Configuration
+from leap.Authentication import Authentication
+
+logger = logging.getLogger(name=__name__)
+
+class Connection(Configuration, Authentication):
+ def __init__(self, *args, **kwargs):
+ self.connection_state = None
+ self.desired_connection_state = None
+ super(Connection, self).__init__(*args, **kwargs)
+
+ def connect(self):
+ """
+ entry point for connection process
+ """
+ pass
+
+ def disconnect(self):
+ """
+ disconnects client
+ """
+ pass
+
+ def shutdown(self):
+ """
+ shutdown and quit
+ """
+ self.desired_con_state = self.status.DISCONNECTED
+
+ def connection_state(self):
+ """
+ returns the current connection state
+ """
+ return self.status.current
+
+ def desired_connection_state(self):
+ """
+ returns the desired_connection state
+ """
+ return self.desired_connection_state
+
+ def poll_connection_state(self):
+ """
+ """
+ try:
+ state = self.get_connection_state()
+ except ConnectionRefusedError:
+ # connection refused. might be not ready yet.
+ return
+ if not state:
+ return
+ (ts, status_step,
+ ok, ip, remote) = state
+ self.status.set_vpn_state(status_step)
+ status_step = self.status.get_readable_status()
+ return (ts, status_step, ok, ip, remote)
+
+ def get_icon_name(self):
+ """
+ get icon name from status object
+ """
+ return self.status.get_state_icon()
+
+ #
+ # private methods
+ #
+
+ def _disconnect(self):
+ """
+ private method for disconnecting
+ """
+ if self.subp is not None:
+ self.subp.terminate()
+ self.subp = None
+ # XXX signal state changes! :)
+
+ def _is_alive(self):
+ """
+ don't know yet
+ """
+ pass
+
+ def _connect(self):
+ """
+ entry point for connection cascade methods.
+ """
+ #conn_result = ConState.DISCONNECTED
+ try:
+ conn_result = self._try_connection()
+ except UnrecoverableError as except_msg:
+ logger.error("FATAL: %s" % unicode(except_msg))
+ conn_result = self.status.UNRECOVERABLE
+ except Exception as except_msg:
+ self.error_queue.append(except_msg)
+ logger.error("Failed Connection: %s" %
+ unicode(except_msg))
+ return conn_result
+
+
+
+class ConnectionError(Exception):
+ """
+ generic connection error
+ """
+ def __str__(self):
+ if len(self.args) >= 1:
+ return repr(self.args[0])
+ else:
+ raise self()
+
+
+class UnrecoverableError(ConnectionError):
+ """
+ we cannot do anything about it, sorry
+ """
+ pass