If you want to work with a complete socket address type including port, we have a helper in SocketAddress. However, the moment you want to talk only about an IP address we force you to hold an in_addr or in_addr6 structure: hardly the friendliest versions of these data types.

We should provide a helpful wrapper IPAddress type that can be converted into those types as needed. This would

Is your feature request related to a problem? Please describe.
Would like to be able to use callback function for run_command to call when a command has finished executing.

Describe the solution you'd like

def my_cb(host_out, my_arg):
    for line in host_out.stdout:
        print(line)

client.run_command('echo me', callback=my_cb, callback_extra_args=('my_arg',))

`m

The Decoder is used by the FramedTcp transport to transform a stream-based protocol (TCP) into a packet-based protocol that fits really well with the concept of message.

The Decoder collects data from the stream until it can be considered a message. In that process, each chunk of data received from the