InetAddress.h

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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef _DECAF_NET_INETADDRESS_H_
#define _DECAF_NET_INETADDRESS_H_

#include <decaf/util/Config.h>

#include <decaf/lang/ArrayPointer.h>

namespace decaf {
namespace net {

    class DECAF_API InetAddress {
    protected:

        static const unsigned char loopbackBytes[4];
        static const unsigned char anyBytes[4];

    protected:

        mutable std::string hostname;
        mutable bool reached;
        mutable decaf::lang::ArrayPointer<unsigned char> addressBytes;

    protected:

        InetAddress();
        InetAddress(const unsigned char* ipAddress, int numBytes);
        InetAddress(const std::string& hostname, const unsigned char* ipAddress, int numBytes);

    public:

        virtual ~InetAddress();

        virtual decaf::lang::ArrayPointer<unsigned char> getAddress() const;

        virtual std::string getHostAddress() const;

        virtual std::string getHostName() const;

        virtual std::string toString() const;

        virtual InetAddress* clone() const;

    public:
        // Address Property Tests, override in the subclasses for correct results

        virtual bool isAnyLocalAddress() const {
            return false;
        }

        virtual bool isLoopbackAddress() const {
            return false;
        }

        virtual bool isMulticastAddress() const {
            return false;
        }

        virtual bool isLinkLocalAddress() const {
            return false;
        }

        virtual bool isSiteLocalAddress() const {
            return false;
        }

        virtual bool isMCGlobal() const {
            return false;
        }

        virtual bool isMCNodeLocal() const {
            return false;
        }

        virtual bool isMCLinkLocal() const {
            return false;
        }

        virtual bool isMCSiteLocal() const {
            return false;
        }

        virtual bool isMCOrgLocal() const {
            return false;
        }

    public:
        // Static Create methods.

        static InetAddress getByAddress(const unsigned char* bytes, int numBytes);

        static InetAddress getByAddress(const std::string& hostname, const unsigned char* bytes, int numBytes);

        static InetAddress getLocalHost();

    protected:

        static unsigned int bytesToInt(const unsigned char* bytes, int start);

        static InetAddress getAnyAddress();

        static InetAddress getLoopbackAddress();

    };

}}

#endif /* _DECAF_NET_INETADDRESS_H_ */