bitbake: Cleanup bitbake server init process to be clearer to follow

Create a standard format server class instance with method calls
for each step in the server setup. There should be enough hooks
for each of the different server types.

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

bitbake/lib/bb/server/xmlrpc.py

@@ -122,8 +122,7 @@ def _create_server(host, port):
     return s
 
 class BitBakeServerCommands():
-    def __init__(self, server, cooker):
-        self.cooker = cooker
+    def __init__(self, server):
         self.server = server
 
     def registerEventHandler(self, host, port):
@@ -160,11 +159,11 @@ class BitBakeServerCommands():
         """
         return True
 
-class BitBakeServer(SimpleXMLRPCServer):
+class BitBakeXMLRPCServer(SimpleXMLRPCServer):
     # remove this when you're done with debugging
     # allow_reuse_address = True
 
-    def __init__(self, cooker, interface = ("localhost", 0)):
+    def __init__(self, interface = ("localhost", 0)):
         """
         Constructor
         """
@@ -174,9 +173,12 @@ class BitBakeServer(SimpleXMLRPCServer):
         self._idlefuns = {}
         self.host, self.port = self.socket.getsockname()
         #self.register_introspection_functions()
-        commands = BitBakeServerCommands(self, cooker)
-        self.autoregister_all_functions(commands, "")
+        self.commands = BitBakeServerCommands(self)
+        self.autoregister_all_functions(self.commands, "")
+
+    def addcooker(self, cooker):
         self.cooker = cooker
+        self.commands.cooker = cooker
 
     def autoregister_all_functions(self, context, prefix):
         """
@@ -244,14 +246,6 @@ class BitbakeServerInfo():
         self.host = server.host
         self.port = server.port
 
-class BitBakeServerFork():
-    def __init__(self, cooker, server, serverinfo, logfile):
-        daemonize.createDaemon(server.serve_forever, logfile)
-
-class BitbakeUILauch():
-    def launch(self, serverinfo, uifunc, *args):
-        return uifunc(*args)
-
 class BitBakeServerConnection():
     def __init__(self, serverinfo):
         self.connection = _create_server(serverinfo.host, serverinfo.port)
@@ -271,3 +265,31 @@ class BitBakeServerConnection():
             self.connection.terminateServer()
         except:
             pass
+
+class BitBakeServer(object):
+    def initServer(self):
+        self.server = BitBakeXMLRPCServer()
+
+    def addcooker(self, cooker):
+        self.cooker = cooker
+        self.server.addcooker(cooker)
+
+    def getServerIdleCB(self):
+        return self.server.register_idle_function
+
+    def saveConnectionDetails(self): 
+        self.serverinfo = BitbakeServerInfo(self.server)
+
+    def detach(self, cooker_logfile):
+        daemonize.createDaemon(self.server.serve_forever, cooker_logfile)
+        del self.cooker
+        del self.server
+
+    def establishConnection(self):
+        self.connection = BitBakeServerConnection(self.serverinfo)
+        return self.connection
+
+    def launchUI(self, uifunc, *args):
+        return uifunc(*args)
+
+