raising connecting_timeout if cannot connect

Author: leofiore

audio/icecast.py

@@ -143,8 +143,10 @@ def reboot_libshout(self):
             self.close()
         try:
             self.connect()
+            self.connecting_timeout = 5.0
         except (IcecastError) as err:
             logger.exception("Connection failure.")
+            self.conncting_timeout = self.connecting_timeout * 2
 
 
 class IcecastConfig(dict):