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/*

 *

 *  Copyright (C) 2010  Mattias Runge

 *

 *  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.,

 *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 */

#include "Node.h"

#include <boost/lexical_cast.hpp>

#include "control/Manager.h"

#include "control/Node.h"

#include "vm/Manager.h"

namespace atom {

namespace vm {

namespace plugin {

logging::Logger Node::LOG("vm::plugin::node");

Node::Node(boost::asio::io_service& io_service) : Plugin(io_service)

{

    this->name_ = "node";

    this->ExportFunction("NodeExport_ResetNode",         Node::Export_ResetNode);

    this->ExportFunction("NodeExport_GetAvailableNodes", Node::Export_GetAvailableNodes);

    this->ExportFunction("NodeExport_ProgramNode",       Node::Export_ProgramNode);

    this->ExportFunction("NodeExport_GetNodeInformation",Node::Export_GetNodeInformation);

}

Node::~Node()

{

    this->tracker_.reset();

}

void Node::InitializeDone()

{

    Plugin::InitializeDone();

    this->ImportFunction("Node_OnChange");

    control::Manager::Instance()->ConnectSlotNode(control::Manager::SignalOnNodeChange::slot_type(&Node::SlotOnNodeChange, this, _1, _2).track(this->tracker_));

}

void Node::CallOutput(unsigned int request_id, std::string output)

{

    LOG.Info(output);

}

void Node::SlotOnNodeChange(control::Node::Id node_id, bool available)

{

    this->io_service_.post(boost::bind(&Node::SlotOnNodeChangeHandler, this, node_id, available));

}

void Node::SlotOnNodeChangeHandler(control::Node::Id node_id, bool available)

{

    v8::Locker lock;

    v8::Context::Scope context_scope(vm::Manager::Instance()->GetContext());

    v8::HandleScope handle_scope;

    //LOG.Debug(std::string(__FUNCTION__) + " called!");

    ArgumentListPointer arguments = ArgumentListPointer(new ArgumentList);

    arguments->push_back(v8::String::New(node_id.data()));

    arguments->push_back(v8::Boolean::New(available));

    this->Call(0, "Node_OnChange", arguments);

}

Value Node::Export_ResetNode(const v8::Arguments& args)

{

    v8::Locker lock;

    v8::Context::Scope context_scope(vm::Manager::Instance()->GetContext());

    v8::HandleScope handle_scope;

    //LOG.Debug(std::string(__FUNCTION__) + " called!");

    if (args.Length() < 1)

    {

        LOG.Error(std::string(__FUNCTION__) + ": To few arguments.");

        return handle_scope.Close(v8::Boolean::New(false));

    }

    v8::String::AsciiValue node_id(args[0]);

    return handle_scope.Close(v8::Boolean::New(control::Manager::Instance()->ResetNode(*node_id)));

}

Value Node::Export_GetAvailableNodes(const v8::Arguments& args)

{

    v8::Locker lock;

    v8::Context::Scope context_scope(vm::Manager::Instance()->GetContext());

    v8::HandleScope handle_scope;

    //LOG.Debug(std::string(__FUNCTION__) + " called!");

    common::StringList available_nodes = control::Manager::Instance()->GetAvailableNodes();

    v8::Local<v8::Array> result = v8::Array::New(available_nodes.size());

    for (unsigned int n = 0; n < available_nodes.size(); n++)

    {

        result->Set(n, v8::String::New(available_nodes[n].data()));

    }

    return handle_scope.Close(result);

}

Value Node::Export_ProgramNode(const v8::Arguments& args)

{

    v8::Locker lock;

    v8::Context::Scope context_scope(vm::Manager::Instance()->GetContext());

    v8::HandleScope handle_scope;

    //LOG.Debug(std::string(__FUNCTION__) + " called!");

    if (args.Length() < 3)

    {

        LOG.Error(std::string(__FUNCTION__) + ": To few arguments.");

        return handle_scope.Close(v8::Boolean::New(false));

    }

    v8::String::AsciiValue node_id(args[0]);

    v8::String::AsciiValue filename(args[2]);

    return handle_scope.Close(v8::Boolean::New(control::Manager::Instance()->ProgramNode(*node_id, args[1]->BooleanValue(), std::string(*filename))));

}

Value Node::Export_GetNodeInformation(const v8::Arguments& args)

{

    v8::Locker lock;

    v8::Context::Scope context_scope(vm::Manager::Instance()->GetContext());

    v8::HandleScope handle_scope;

    //LOG.Debug(std::string(__FUNCTION__) + " called!");

    if (args.Length() < 1)

    {

        LOG.Error(std::string(__FUNCTION__) + ": To few arguments.");

        return handle_scope.Close(v8::Boolean::New(false));

    }

    v8::String::AsciiValue node_id(args[0]);

    control::Node::Information information;

    try

    {

        information = control::Manager::Instance()->GetNodeInformation(*node_id);

    }

    catch (std::runtime_error& e)

    {

        LOG.Error(e.what());

        return handle_scope.Close(v8::Undefined());

    }

    v8::Local<v8::Array> result = v8::Array::New(6);

    result->Set(v8::String::New("Id"),            args[0]);

    result->Set(v8::String::New("Valid"),         v8::Boolean::New(information.valid_));

    result->Set(v8::String::New("BiosVersion"),   v8::Uint32::New(information.bios_version_));

    result->Set(v8::String::New("DeviceType"),    v8::String::New(information.device_type_.data()));

    result->Set(v8::String::New("HasApplication"),v8::Boolean::New(information.has_application_));

    result->Set(v8::String::New("LastActive"),    v8::Uint32::New(information.last_active_));

    return handle_scope.Close(result);

}

}; // namespace plugin

}; // namespace vm

}; // namespace atom