Add MPD_SERVER_MAX_CONNECTIONS setting (fixes: #134)

docs/changes.rst

@@ -58,6 +58,9 @@ v0.6.0 (in development)
 - Send Spotify search queries to pyspotify as unicode objects, as required by
   pyspotify 1.4. (Fixes: :issue:`129`)
 
+- Add setting :attr:`mopidy.settings.MPD_SERVER_MAX_CONNECTIONS`. (Fixes:
+  :issue:`134`)
+
 **multi-backend changes**
 
 - Remove `destroy()` methods from backend controller and provider APIs, as it

mopidy/frontends/mpd/__init__.py

@@ -29,7 +29,8 @@ class MpdFrontend(actor.ThreadingActor, listeners.BackendListener):
         port = settings.MPD_SERVER_PORT
 
         try:
-            network.Server(hostname, port, protocol=MpdSession)
+            network.Server(hostname, port, protocol=MpdSession,
+                max_connections=settings.MPD_SERVER_MAX_CONNECTIONS)
         except IOError, e:
             logger.error(u'MPD server startup failed: %s', e)
             sys.exit(1)

mopidy/settings.py

@@ -180,6 +180,11 @@ MPD_SERVER_PORT = 6600
 #: Default: :class:`None`, which means no password required.
 MPD_SERVER_PASSWORD = None
 
+#: The maximum number of concurrent connections the MPD server will accept.
+#:
+#: Default: 20
+MPD_SERVER_MAX_CONNECTIONS = 20
+
 #: List of outputs to use. See :mod:`mopidy.outputs` for all available
 #: backends
 #: