Examples of org.apache.directory.server.dhcp.options.DhcpOption

Package org.apache.directory.server.dhcp.options

Examples of org.apache.directory.server.dhcp.options.DhcpOption

org.apache.directory.server.dhcp.options.DhcpOption
The Dynamic Host Configuration Protocol (DHCP) provides a framework for passing configuration information to hosts on a TCP/IP network. Configuration parameters and other control information are carried in tagged data items that are stored in the 'options' field of the DHCP message. The data items themselves are also called "options." @author Apache Directory Project

        {
            byte[] list = prl.getData();


            for ( Iterator i = options.iterator(); i.hasNext(); )
            {
                DhcpOption o = ( DhcpOption ) i.next();


                boolean found = false;


                for ( int j = 0; j < list.length; j++ )
                {
                    if ( list[j] == o.getTag() )
                    {
                        found = true;
                        break;
                    }
                }

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    {
        message.put( VENDOR_MAGIC_COOKIE );


        for ( Iterator i = options.iterator(); i.hasNext(); )
        {
            DhcpOption option = ( DhcpOption ) i.next();
            option.writeTo( message );
        }


        // add end option
        message.put( ( byte ) 0xff );
    }

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    {
        try
        {
            Class c = DhcpOption.getClassByTag( tag );


            DhcpOption o = null != c ? ( DhcpOption ) c.newInstance() : new UnrecognizedOption( ( byte ) tag );
            o.setData( value );


            return o;
        }
        catch ( Exception e )
        {

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        final ParameterRequestList prl = (ParameterRequestList) request
                .getOptions().get(ParameterRequestList.class);
        if (null != prl) {
            final byte[] list = prl.getData();
            for (final Iterator i = options.iterator(); i.hasNext();) {
                final DhcpOption o = (DhcpOption) i.next();
                for (int j = 0; j < list.length; j++)
                    if (list[j] == o.getTag())
                        continue;
                i.remove();
            }
        }
    }

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    {
        message.put( VENDOR_MAGIC_COOKIE );


        for ( Iterator i = options.iterator(); i.hasNext(); )
        {
            DhcpOption option = ( DhcpOption ) i.next();
            option.writeTo( message );
        }


        // add end option
        message.put( ( byte ) 0xff );
    }

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    {
        try
        {
            Class c = DhcpOption.getClassByTag( tag );


            DhcpOption o = null != c ? ( DhcpOption ) c.newInstance() : new UnrecognizedOption( ( byte ) tag );
            o.setData( value );


            return o;
        }
        catch ( Exception e )
        {

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    {
        message.put( VENDOR_MAGIC_COOKIE );


        for ( Iterator i = options.iterator(); i.hasNext(); )
        {
            DhcpOption option = ( DhcpOption ) i.next();
            option.writeTo( message );
        }


        // add end option
        message.put( ( byte ) 0xff );
    }

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        if ( null != prl )
        {
            final byte[] list = prl.getData();
            for ( final Iterator i = options.iterator(); i.hasNext(); )
            {
                final DhcpOption o = ( DhcpOption ) i.next();
                for ( int j = 0; j < list.length; j++ )
                    if ( list[j] == o.getTag() )
                        continue;
                i.remove();
            }
        }
    }

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        final ParameterRequestList prl = (ParameterRequestList) request
                .getOptions().get(ParameterRequestList.class);
        if (null != prl) {
            final byte[] list = prl.getData();
            for (final Iterator i = options.iterator(); i.hasNext();) {
                final DhcpOption o = (DhcpOption) i.next();
                for (int j = 0; j < list.length; j++)
                    if (list[j] == o.getTag())
                        continue;
                i.remove();
            }
        }
    }

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    {
        message.put( VENDOR_MAGIC_COOKIE );


        for ( Iterator i = options.iterator(); i.hasNext(); )
        {
            DhcpOption option = ( DhcpOption ) i.next();
            option.writeTo( message );
        }


        // add end option
        message.put( ( byte ) 0xff );
    }

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Related Classes of org.apache.directory.server.dhcp.options.DhcpOption

org.apache.directory.server.dhcp.io.DhcpMessageDecoder

org.apache.directory.server.dhcp.io.DhcpMessageEncoder

org.apache.directory.server.dhcp.service.AbstractDhcpService

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