// [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
//
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// 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
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//
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// [License]

#ifndef ENDPOINTDESCRIPTOR_H_
#define ENDPOINTDESCRIPTOR_H_

#include <string>
#include <set>
#include "ariba/utility/serialization.h"
#include "ariba/utility/addressing/endpoint_set.hpp"

namespace ariba {
namespace communication {

using_serialization;
using namespace std;
using namespace ariba::addressing;

class EndpointDescriptor: public VSerializeable { VSERIALIZEABLE
	friend class BaseCommunication;

public:
	/// creates an empty endpoint descriptor with zero endpoints
	EndpointDescriptor();

	/// destructor.
	virtual ~EndpointDescriptor();

	/// copy constructor
	EndpointDescriptor(const EndpointDescriptor& rh);

	/// construct end-points from an endpoint set
	EndpointDescriptor(const endpoint_set& endpoints );

	/// construct end-points from a string
	EndpointDescriptor(const string& str);

	/// convert end-points to string
	string toString() const {
		return endpoints.to_string();
	}

	static EndpointDescriptor& UNSPECIFIED() {
		static EndpointDescriptor* unspec = NULL;
		if(unspec == NULL) unspec = new EndpointDescriptor();

		return *unspec;
	}

	/// returns true, if this object is the unspecified object
	bool isUnspecified() const {
		return (this == &UNSPECIFIED());
	}

	/// create endpoint
	static EndpointDescriptor* fromString(string str) {
		return new EndpointDescriptor(str);
	}

	bool operator==(const EndpointDescriptor& rh) const {
		if (rh.isUnspecified() && isUnspecified()) return true;
		if (rh.isUnspecified() ^  isUnspecified()) return false;

		assert( (!rh.isUnspecified()) && (!isUnspecified()) );
		return endpoints == rh.endpoints;
	}

	bool operator!=(const EndpointDescriptor& rh) const {
		return ( !operator==(rh) );
	}

	EndpointDescriptor& operator=( const EndpointDescriptor& rhs) {
		endpoints = rhs.endpoints;
		return *this;
	}

	/// returns the end-points of this descriptor
	endpoint_set& getEndpoints() {
		return endpoints;
	}

	/// returns the end-points of this descriptor
	const endpoint_set& getEndpoints() const {
		return endpoints;
	}

private:
	endpoint_set endpoints;
};

}} // namespace ariba, communication

sznBeginDefault( ariba::communication::EndpointDescriptor, X ){
	// serialize endpoints
	uint16_t len = endpoints.to_bytes_size();
	X && len;
	uint8_t* buffer = X.bytes( len );
	if (buffer!=NULL) {
		if (X.isDeserializer()) endpoints.assign(buffer,len);
		else endpoints.to_bytes(buffer);
	}
}sznEnd();

#endif /*ENDPOINTDESCRIPTOR_H_*/