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-rw-r--r--src/leap/base/network.py55
1 files changed, 55 insertions, 0 deletions
diff --git a/src/leap/base/network.py b/src/leap/base/network.py
new file mode 100644
index 00000000..58f903e1
--- /dev/null
+++ b/src/leap/base/network.py
@@ -0,0 +1,55 @@
+# -*- coding: utf-8 -*-
+from __future__ import (print_function)
+
+from leap.base.checks import LeapNetworkChecker
+from leap.base.constants import ROUTE_CHECK_INTERVAL
+from leap.util.coroutines import (launch_thread, process_events)
+
+from time import sleep
+
+class NetworkChecker(object):
+ """
+ Manages network checking thread that makes sure we have a working network
+ connection.
+ """
+ def __init__(self, *args, **kwargs):
+ self.status_signals = kwargs.pop('status_signals', None)
+ self.watcher_cb = kwargs.pop('status_signals', None)
+
+ def start(self):
+ self._launch_recurrent_network_checks((self.watcher_cb,))
+
+ def stop(self):
+ raise NotImplementedError
+
+ def run_checks(self):
+ pass
+
+ #private methods
+
+ #here all the observers in fail_callbacks expect one positional argument,
+ #which is exception so we can try by passing a lambda with logger to
+ #check it works.
+ def _network_checks_thread(self, fail_callbacks):
+ print('fail_callbacks: %s' % fail_callbacks)
+ print(len(fail_callbacks))
+ observer_dict = dict(((
+ observer, process_events(observer)) for observer in fail_callbacks))
+ netchecker = LeapNetworkChecker()
+ while True:
+ try:
+ netchecker.check_internet_connection()
+ sleep(ROUTE_CHECK_INTERVAL)
+ except Exception as exc:
+ for obs in observer_dict:
+ observer_dict[obs].send(exc)
+
+
+ def _launch_recurrent_network_checks(fail_callbacks):
+ print(type(fail_callbacks))
+ watcher = launch_thread(
+ network_checks_thread,
+ (fail_callbacks,))
+ return watcher
+
+