// Copyright (C) 2007
// Fraunhofer Institute for Open Communication Systems (FOKUS)
// Competence Center NETwork research (NET), St. Augustin, GERMANY
//     David Wagner <dw6@berlios.de>
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the
// Free Software Foundation, Inc.,
// 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

#include "ForwardSwitch.hh"

#define prefix_ inline

prefix_  senf::ppi::module::ForwardSwitch::ForwardSwitch(bool state) 
    :forward_(state)
{
    route( input, output );
    input.onRequest( &ForwardSwitch::onRequest );
}

prefix_  void senf::ppi::module::ForwardSwitch::onRequest() 
{
    if(forward_){
        output.write(input.read());
    } else {
        input.read(); // and discard automatically
    }
}

prefix_ bool  senf::ppi::module::ForwardSwitch::forward(){
    return forward_;
}

prefix_ bool  senf::ppi::module::ForwardSwitch::forward(bool state){
    forward_ = state;
    return state;
}

prefix_ bool  senf::ppi::module::ForwardSwitch::stopForwarding(){
    return forward(false);
}


prefix_ bool  senf::ppi::module::ForwardSwitch::startForwarding(){
    return forward(true);
}

#undef prefix_