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# socket_connected() is called when the session receives a
# "sock_connected" event.  That event is generated by the session's
# SocketFactory object when it has connected to a server.  The newly
# connected socket is passed in ARG0.
# This function discards the SocketFactory object since its purpose
# has been fulfilled.  It then creates two new objects: a ReadWrite
# wheel to talk with the socket, and a ReadLine wheel to talk with the
# console.  POE::Wheel::ReadLine was named after Term::ReadLine, by
# the way.  Once socket_connected() has set us up the wheels, it calls
# ReadLine's get() method to prompt the user for input.
sub socket_connected {
  my ($heap, $socket) = @_[HEAP, ARG0];
  delete $heap->{connect_wheel};
  $heap->{io_wheel} = POE::Wheel::ReadWrite->new(
    Handle     => $socket,
    InputEvent => 'sock_input',
    ErrorEvent => 'sock_error',
  );
  $heap->{cli_wheel} = POE::Wheel::ReadLine->new(InputEvent => 'cli_input');
  $heap->{cli_wheel}->get("=> ");