another fix for #25

Or, to be more precise, a fix for the fix preceding the current fix for
issue #25 that just didn't fix things right. If your head spins, see the
previous commit, or call an ambulance (that is, if you are privileged
enough to access a phone and know your local helpline number)

naxalnet/__init__.py

@@ -42,4 +42,4 @@ given below.
 #
 # In case you forgot to change the version, skip the number
 # and put the next number in the next commit.
-__version__ = "0.5.1a0.dev6"
+__version__ = "0.5.1a0.dev7"

naxalnet/network.py

@@ -28,10 +28,9 @@ examples.
 """
 
 import subprocess
-from multiprocessing import Process
 from pathlib import Path
 from dasbus.connection import SystemMessageBus
-from dasbus.loop import EventLoop
+from dasbus.loop import EventLoop, GLib
 
 
 NETWORKD_BUS = "org.freedesktop.network1"
@@ -143,7 +142,6 @@ class NetworkLoop(NetworkD):
         self.waitfor = None
         self.wait_function = None
         self.loop = EventLoop()
-        self.timeout = 0
 
     def start_loop(self):
         """start the dasbus loop"""
@@ -151,28 +149,16 @@ class NetworkLoop(NetworkD):
         print("waitfor", self.waitfor)
         print("waitfor func", self.wait_function)
         self.proxy.PropertiesChanged.connect(self.on_properties_changed)
-        process = Process(target=self.loop.run)
+        self.loop.run()
-        process.start()
-
-        # wait until timeout
-        if self.timeout != 0:
-            process.join(self.timeout)
-        else:
-            process.join()
-
-        # When the process is timed out, it is not killed. We have to kill
-        # it manually
-        if process.is_alive():
-            self.on_timeout()
 
     def wait_until_routable(self, timeout=0):
         """
-        Wait until timeout in seconds and returns True when any
+        Wait until timeout in milliseconds and returns True when any
         network interface is shown routable by networkd. Does not wait
         for timeout if timeout==0
         """
         print("wait until routable")
-        self.timeout = timeout
+        self.setup_timeout(timeout)
         self.wait_for_change("AddressState", self.on_addressstate_change)
 
         return self.is_routable()
@@ -196,7 +182,13 @@ class NetworkLoop(NetworkD):
         if self.waitfor in data:
             return self.wait_function()
 
+    def setup_timeout(self, timeout):
+        """setup a timeout"""
+        print("setup timeout")
+        if timeout != 0:
+            GLib.timeout_add(timeout, self.on_timeout)
+
     def on_timeout(self):
-        """called when a timeout occurs"""
+        """called by dasbus when a timeout occurs"""
         print("on timeout")
         self.loop.quit()

naxalnet/scripts.py

@@ -63,7 +63,8 @@ def any_interface_is_routable():
         logger.debug("Adding temporary config %s", i)
         networkd.add_config(i)
 
-    routable = networkd.wait_until_routable(timeout=10)
+    # timeout = 10 seconds
+    routable = networkd.wait_until_routable(10 * 1000)
     networkd.remove_all_configs()
 
     return routable
@@ -243,8 +244,10 @@ def main():
         notify("STATUS=Checking for internet")
         # If any interface is routable, set gateway mode to server
         if any_interface_is_routable():
+            logger.info("Network is routable. Setting gw_mode to server")
             gateway_mode = "server"
         else:
+            logger.info("Network is not routable. Setting gw_mode to client")
             gateway_mode = "client"
         logger.info("gateway_mode set to %s", gateway_mode)
     elif args.gateway_mode in ["server", "client", "off"]: