Thanks and especially for the three methods.
Regards. 2014-04-17 4:50 GMT+08:00 Murphy McCauley <murphy.mccau...@gmail.com>: > On Apr 16, 2014, at 3:27 AM, Shiyao Ma <i...@introo.me> wrote: > > Hi. > > I am following > https://github.com/noxrepo/pox/blob/carp/pox/forwarding/l2_learning.py#L121 > I wonder where is the corresponding source for that event obj (The > relevant class definition), so I can know what the event.attr stands for > and how many attrs the event has. > > > This is a PacketIn event handler, so the event object is a PacketIn. You > can either grep the codebase for "class PacketIn", or you can look up the > PacketIn event in the POX manual. It's in a subsection called "PacketIn" > under "OpenFlow Events: Responding to Switches". > > Also, I'd like to know the relevant class for the connection object. > https://github.com/noxrepo/pox/blob/carp/pox/forwarding/l2_learning.py#L86 > > > The connection object is from a class called Connection. You can search > the codebase for "class Connection", or you can look it up in the manual. > It's in a subsection called "Connection Objects". > > > For either or both of these, you could also use Python to find the answers > for you. For example, to find the class of the connection, object, insert > the following near line 86 of l2_learning: > import inspect > print inspect.getsourcefile(type(connection)), > inspect.getsourcelines(type(connection))[1] > > Et voila, it'll print out the file and line number of the class. Or > simply insert "help(connection)" to get the whole pydoc for it. Or save it > to a global variable, run the POX "py" module, and then do "help(<global > variable name>)" from the commandline. > > > Hope that helps. > > -- Murphy > > Thanks and regards. > -- > > 吾輩は猫である。ホームーページはhttp://introo.me。 > > > -- 吾輩は猫である。ホームーページはhttp://introo.me。