Re: [Boost-users] Suggestion about using Signals2

Subject: Re: [Boost-users] Suggestion about using Signals2
From: Daniele Barzotti (daniele.barzotti_at_[hidden])
Date: 2009-03-23 04:36:04

Igor R ha scritto:
> 
> // encapsulates yours or asio i/o object, like socket, serial_port etc.
> class connection : public boost::enable_shared_from_this<connection>
> {
> public:
>   connection(boost::asio::io_service &io) : io_(io)
>   {}

Hi Igor,

is there a reason to create the io_service outside the class?
Can I create an instance of it directly into the connection object?

> public:
>   void send(data_type data)
>   {
>     // since send() might be called from a client thread, do not
> process the data here,
>     // just post it to the io_ thread(s), where the data will be
> delivered to the socket/port
>     io_.post(&connection::do_send, shared_from_this(), data);
>   }
> private:
>   // this method is always called within io_ thread(s)
>   void data_received()
>   {
>     //issue the signal
>   }
>   void do_send(data_type data)
>   {
>     // send the data
>   }
> };

In your example you use io_.post() into the send method, why you don't
use it also in the data_received?

Thanks!
Daniele.