ping! > this is similar to handler.register_service but for client-server > style applications. register_service is not appropriate for such > applications becuase normally the client does not consume > (in the sense of set_ev_cls) asynchronous events from the server. > > note: this automatically load the server only if "api" module is > directly loaded from the module defining the client application. > > Signed-off-by: YAMAMOTO Takashi <[email protected]> > --- > ryu/base/app_manager.py | 15 ++++++++++++++- > ryu/controller/handler.py | 2 ++ > 2 files changed, 16 insertions(+), 1 deletion(-) > > diff --git a/ryu/base/app_manager.py b/ryu/base/app_manager.py > index e65a6f3..f7bbb7b 100644 > --- a/ryu/base/app_manager.py > +++ b/ryu/base/app_manager.py > @@ -1,4 +1,4 @@ > -# Copyright (C) 2011, 2012 Nippon Telegraph and Telephone Corporation. > +# Copyright (C) 2011-2014 Nippon Telegraph and Telephone Corporation. > # Copyright (C) 2011 Isaku Yamahata <yamahata at valinux co jp> > # > # Licensed under the Apache License, Version 2.0 (the "License"); > @@ -47,6 +47,19 @@ def unregister_app(app): > SERVICE_BRICKS.pop(app.name) > > > +def require_app(app_name): > + """ > + Request the application to be loaded. > + > + This is used for "api" style modules, which is imported by a client > + application, to automatically load the corresponding server application. > + """ > + frm = inspect.stack()[2] # skip a frame for "api" module > + m = inspect.getmodule(frm[0]) # client module > + m._REQUIRED_APP = getattr(m, '_REQUIRED_APP', []) > + m._REQUIRED_APP.append(app_name) > + > + > class RyuApp(object): > """ > The base class for Ryu applications. > diff --git a/ryu/controller/handler.py b/ryu/controller/handler.py > index 43f07d1..c7b40a4 100644 > --- a/ryu/controller/handler.py > +++ b/ryu/controller/handler.py > @@ -75,6 +75,8 @@ def get_dependent_services(cls): > if cls.__module__ != service: > services.append(service) > > + m = sys.modules[cls.__module__] > + services.extend(getattr(m, '_REQUIRED_APP', [])) > services = list(set(services)) > return services > > -- > 1.8.3.1 > > > ------------------------------------------------------------------------------ > Managing the Performance of Cloud-Based Applications > Take advantage of what the Cloud has to offer - Avoid Common Pitfalls. > Read the Whitepaper. > http://pubads.g.doubleclick.net/gampad/clk?id=121054471&iu=/4140/ostg.clktrk > _______________________________________________ > Ryu-devel mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/ryu-devel
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