// [License]
// The Ariba-Underlay Copyright
//
// Copyright (c) 2008-2009, Institute of Telematics, Universität Karlsruhe (TH)
//
// Institute of Telematics
// Universität Karlsruhe (TH)
// Zirkel 2, 76128 Karlsruhe
// Germany
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE INSTITUTE OF TELEMATICS ``AS IS'' AND
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OF TELEMATICS OR
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// The views and conclusions contained in the software and documentation
// are those of the authors and should not be interpreted as representing
// official policies, either expressed or implied, of the Institute of
// Telematics.
// [License]

#include "SideportListener.h"

#include "ariba/overlay/BaseOverlay.h"
#include "ariba/overlay/LinkDescriptor.h"
#include "ariba/utility/addressing/endpoint_set.hpp"

using ariba::overlay::LinkDescriptor;

namespace ariba {

SideportListener SideportListener::DEFAULT;

SideportListener::SideportListener() : overlay(NULL) {
}

SideportListener::~SideportListener(){
}

string SideportListener::getEndpointDescription( const LinkID& link ) const {
	if( overlay == NULL ) return "";
	return overlay->getEndpointDescriptor(link).toString();
}

string SideportListener::getEndpointDescription( const NodeID& node ) const {
	if( overlay == NULL ) return "";
	return overlay->getEndpointDescriptor(node).toString();
}

const NodeID& SideportListener::getNodeID( const LinkID& link ) const {
	if( overlay == NULL ) return NodeID::UNSPECIFIED;
	return overlay->getNodeID(link);
}

vector<LinkID> SideportListener::getLinkIDs( const NodeID& node ) const {
	if( overlay == NULL ) return vector<LinkID>();
	return overlay->getLinkIDs( node );
}

vector<NodeID> SideportListener::getOverlayNeighbors(bool deep){
	vector<NodeID> nodes;
	if( overlay == NULL ) return nodes;

	nodes = overlay->getOverlayNeighbors(deep);
	return nodes;
}

bool SideportListener::isRelayedNode(const NodeID& node){
	if( overlay == NULL ) return false;

	BOOST_FOREACH( LinkDescriptor* link, overlay->links ){
		if( (!link->localRelay.isUnspecified()) && link->remoteRelay == node && link->up)
			return true;
	}

	return false;
}

bool SideportListener::isRelayingNode(const NodeID& node){
	if( overlay == NULL ) return false;

	BOOST_FOREACH( LinkDescriptor* link, overlay->links ){
		if( (!link->localRelay.isUnspecified()) && link->localRelay == node && link->up)
			return true;
	}

	return false;
}

SideportListener::Protocol SideportListener::getReachabilityProtocol(const NodeID& node){
	int ret = SideportListener::undefined;
	if( overlay == NULL ) return (Protocol)ret;

	using namespace ariba::addressing;

	BOOST_FOREACH( LinkDescriptor* link, overlay->links ){
		if(link->remoteNode == node){
			if(overlay->bc == NULL) continue;

			BaseCommunication::LinkDescriptor& bclink =
				overlay->bc->queryLocalLink(link->communicationId);

			if(bclink.isUnspecified()) continue;
			if(bclink.localLocator == NULL) continue;

			const address_v* locator = bclink.remoteLocator;

			if( locator->instanceof<tcpip_endpoint>() ){

				tcpip_endpoint tcpip = *locator;
				ret |= SideportListener::tcp;

				if( tcpip.address().is_v4() )
					ret |= SideportListener::ipv4;

				if( tcpip.address().is_v6() )
					ret |= SideportListener::ipv6;

			}else if( locator->instanceof<rfcomm_endpoint>() ){
				ret |= SideportListener::rfcomm;
			}
		}
	}

	return (Protocol)ret;
}

void SideportListener::configure( overlay::BaseOverlay* _overlay ) {
	overlay = _overlay;
}

void SideportListener::onLinkUp(const LinkID& lnk, const NodeID& local, const NodeID& remote, const SpoVNetID& spovnet){
}

void SideportListener::onLinkDown(const LinkID& lnk, const NodeID& local, const NodeID& remote, const SpoVNetID& spovnet){
}

void SideportListener::onLinkChanged(const LinkID& lnk, const NodeID& local, const NodeID& remote, const SpoVNetID& spovnet){
}

void SideportListener::onLinkFail(const LinkID& lnk, const NodeID& local, const NodeID& remote, const SpoVNetID& spovnet){
}

} // namespace ariba