more functions for libjack.py

python/libjack.py

@@ -1,5 +1,6 @@
 
 from ctypes import *
+import string
 
 class jack_client_t(Structure):
     pass
@@ -62,6 +63,13 @@ get_cookie_by_uuid = libjack.jack_get_cookie_by_uuid
 get_cookie_by_uuid.argtypes = [ client_p, c_char_p, c_char_p ]
 get_cookie_by_uuid.restype = c_char_p 
 
+connect = libjack.jack_connect
+connect.argtypes = [ client_p, c_char_p, c_char_p ]
+connect.restype = c_int
+
+disconnect = libjack.jack_disconnect
+disconnect.argtypes = [ client_p, c_char_p, c_char_p ]
+disconnect.restype = c_int
 
 PortRegistrationCallback = CFUNCTYPE( None, c_uint, c_int, c_void_p )
 
@@ -104,6 +112,9 @@ class Port( object ):
 
     def get_connections( self ):
 	conns = port_get_all_connections( self.client, self.port_p )
+	if not conns:
+	    return []
+
 	i=0
 	retval = []
 	while conns[i]:
@@ -114,6 +125,23 @@ class Port( object ):
 
 	return retval
 
+    def connect( self, other ):
+	connect( self.client, self.name, other )
+
+    def disconnect( self, other ):
+	disconnect( self.client, self.name, other )
+
+    def is_input( self ):
+	return (port_flags( self.port_p ) & JackPortIsInput) != 0
+
+    def is_output( self ):
+	return (port_flags( self.port_p ) & JackPortIsOutput) != 0
+
+    def is_audio( self ):
+	return (port_type( self.port_p ) == JACK_DEFAULT_AUDIO_TYPE)
+
+    def is_midi( self ):
+	return (port_type( self.port_p ) == JACK_DEFAULT_MIDI_TYPE)
 
 
 class Client( object ):
@@ -121,9 +149,30 @@ class Client( object ):
 	self.client = client
 	self.name = name
 	self.ports = []
+	self.commandline = None
+
+    def get_commandline( self ):
+	if self.commandline:
+	    return self.commandline
+	else:
+	    return ""
+
     def add_port( self, portname ):
 	self.ports.append( Port( self.client, portname ) )
 
+    def rename( self, newname ):
+	rename_client( self.client, self.name, self.newname )
+	self.ports = []
+	ports = get_ports( self.client, self.newname+":.*", None, 0 )
+
+	i=0
+	while(ports[i]):
+	    self.add_port( ports[i] )
+	    i+=1
+
+	jack_free( ports )
+
+
 
 class JackGraph( object ):
     def __init__( self, client, ports, uuids=[] ):
@@ -153,6 +202,24 @@ class JackGraph( object ):
     def get_client_by_uuid( self, uuid ):
 	return self.clients[self.uuid_to_name[uuid]]
 
+    def check_client_name( self, client ):
+	if not client.name in self.clients.keys():
+	    return
+
+	cname_split = client.name.split('-')
+	if len(cname_split) == 0:
+	    cname_prefix = cname_split[0]
+	else:
+	    cname_prefix = string.join( name_split[:-1], '-' )
+
+	num = 1
+	while ("%s-%d"%(cname_prefix,num)) in self.clients.keys():
+		num+=1
+
+	# XXX: this might still fail due to race. 
+	#      also needs to lock 
+	client.rename( "%s-%d"%(cname_prefix,num ) )
+
 
 
 class JackClient(object):
@@ -160,6 +227,7 @@ class JackClient(object):
 	self.client = client_new( name )
 	self.reg_cb = PortRegistrationCallback( self.port_registration_cb )
 	set_port_registration_callback( self.client, self.reg_cb, None )
+	self.port_queue = Queue()
 
 	activate( self.client )
 
@@ -177,10 +245,8 @@ class JackClient(object):
 	    raise Exception
 
     def port_registration_cb( self, port_id, reg, arg ):
-	port_t = port_by_id( self.client, port_id )
-	print port_name( port_t )
-	print port_type( port_t )
-	print reg
+	port_p = port_by_id( self.client, port_id )
+	self.port_queue.put( (port_p,reg) )