allow clean shutdown

app.py

@@ -4,10 +4,12 @@
 from honeycast.certificate import Key, Certificate
 from honeycast.config import config
 from honeycast.discovery import Discovery
+from honeycast.log import logger
 from honeycast.web import httpd
 from multiprocessing import Process
 from optparse import OptionParser
 from uuid import uuid4
+import time
 
 if __name__ == "__main__":
     parser = OptionParser()
@@ -68,5 +70,16 @@
         processes.append(server_process)
 
     for process in processes:
+        process.daemon = True
         process.start()
 
+    while True:
+        try:
+            time.sleep(24 * 60 * 60)
+        except KeyboardInterrupt:
+            logger.info("shutting down")
+
+            for process in processes:
+                process.terminate()
+
+            exit(0)

honeycast/cast.py

@@ -39,13 +39,16 @@ def get_client(self):
 
     def run(self):
         while True:
-            client = self.get_client()
-            while True:
-                try:
-                    client.receive_and_reply_once()
-                except CastException as ex:
-                    logger.warning("exception in cast client: %s", ex.message)
-                    break
+            try:
+                client = self.get_client()
+                while True:
+                    try:
+                        client.receive_and_reply_once()
+                    except CastException as ex:
+                        logger.warning("exception in cast client: %s", ex.message)
+                        break
+            except KeyboardInterrupt:
+                break
 
 class CastClient:
     def __init__(self, socket):

honeycast/discovery.py

@@ -22,8 +22,11 @@ def run(self):
 
         logger.info("starting discovery")
 
-        self._zeroconf = Zeroconf()
-        self._zeroconf.register_service(self._service)
+        try:
+            self._zeroconf = Zeroconf()
+            self._zeroconf.register_service(self._service)
+        except KeyboardInterrupt:
+            pass
 
     def stop(self):
         if self._zeroconf is None: