Re: [boost] [fsm] Accessing a state instance in a state machine?

From: Andrey Semashev (andrey.semashev_at_[hidden])
Date: 2008-08-23 14:42:20

Boris wrote:
> I had a quick look at the documentation of the Boost FSM library as I
> need to implement a simple protocol handler for a network application.
> The protocol handler sends and receives text messages and switches
> between various states. What I wonder is how I can pass for example a
> reference to a socket to a state so that the state can send a text
> message? There doesn't seem to be a way to acccess a state instance in a
> state machine?

You can pass any data to the state machine in events. You can also
access any state or its base class with a "get" method of the FSM.
However, in your case I would consider keeping the socket inside the FSM
in order to encapsulate all reaction specifics in the machine.