// $Id$
//
// Copyright (C) 2007
// Fraunhofer Institute for Open Communication Systems (FOKUS)
// Competence Center NETwork research (NET), St. Augustin, GERMANY
//     Stefan Bund <g0dil@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.

/** \file
    \brief ModuleManager inline non-template implementation */

// Custom includes
#include <algorithm>

#define prefix_ inline
///////////////////////////////cci.p///////////////////////////////////////

///////////////////////////////////////////////////////////////////////////
// senf::ppi::ModuleManager

prefix_ senf::ppi::ModuleManager & senf::ppi::ModuleManager::instance()
{
    static ModuleManager manager;
    return manager;
}

prefix_ void senf::ppi::ModuleManager::registerModule(module::Module & module)
{
    moduleRegistry_.push_back(&module);
}

prefix_ void senf::ppi::ModuleManager::unregisterModule(module::Module & module)
{
    moduleRegistry_.erase(
        std::remove(moduleRegistry_.begin(), moduleRegistry_.end(), & module),
        moduleRegistry_.end());
}

prefix_ void senf::ppi::ModuleManager::registerInitializable(Initializable & i)
{
    initQueue_.push_back(&i);
    initRunner_.enable();
    // This call ensures, that the senf::ppi::init() handler is called as next handler
    // after this handler returns (this works since the senf::ppi::init() handler is registered as
    // PRE hook and thus has very high priority)
    senf::scheduler::yield();
}

prefix_ void senf::ppi::ModuleManager::unregisterInitializable(Initializable & i)
{
    initQueue_.erase(
        std::remove(initQueue_.begin(), initQueue_.end(), & i),
        initQueue_.end());
    if (initQueue_.empty())
        initRunner_.disable();
}

prefix_ bool senf::ppi::ModuleManager::initializableRegistered(Initializable const & i)
    const
{
    return std::find(initQueue_.begin(), initQueue_.end(), &i) != initQueue_.end();
}

prefix_ bool senf::ppi::ModuleManager::running()
    const
{
    return running_;
}

prefix_ senf::console::DirectoryNode & senf::ppi::ModuleManager::consoleDir()
    const
{
    return consoleDir_.node();
}

///////////////////////////////////////////////////////////////////////////
// senf::ppi::ModuleManager::Initializable

prefix_ senf::ppi::ModuleManager::Initializable::Initializable()
{
    enqueueInitializable();
}

prefix_ senf::ppi::ModuleManager::Initializable::~Initializable()
{
    dequeueInitializable();
}

prefix_ void senf::ppi::ModuleManager::Initializable::enqueueInitializable()
{
    moduleManager().registerInitializable(*this);
}

prefix_ void senf::ppi::ModuleManager::Initializable::dequeueInitializable()
{
    moduleManager().unregisterInitializable(*this);
}

prefix_ bool senf::ppi::ModuleManager::Initializable::initializationScheduled()
    const
{
    return moduleManager().initializableRegistered(*this);
}

prefix_ senf::ppi::ModuleManager::ModuleManager &
senf::ppi::ModuleManager::Initializable::moduleManager()
    const
{
    return ModuleManager::instance();
}

///////////////////////////////cci.e///////////////////////////////////////
#undef prefix_


// Local Variables:
// mode: c++
// fill-column: 100
// comment-column: 40
// c-file-style: "senf"
// indent-tabs-mode: nil
// ispell-local-dictionary: "american"
// compile-command: "scons -u test"
// End: