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<title>GNU CommonC++: ost::IPV6Mask Class Reference</title>
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<div class="navpath"><a class="el" href="namespaceost.html">ost</a>::<a class="el" href="classost_1_1_i_p_v6_mask.html">IPV6Mask</a>
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<h1>ost::IPV6Mask Class Reference</h1><!-- doxytag: class="ost::IPV6Mask" --><!-- doxytag: inherits="ost::IPV6Address" -->
<p>Internet addresses used specifically as masking addresses (such as "
255.255.255.0") are held in the <a class="el" href="classost_1_1_i_p_v6_mask.html" title="Internet addresses used specifically as masking addresses (such as " 255.255...">IPV6Mask</a> derived object.
<a href="#_details">More...</a></p>
<p><code>#include <<a class="el" href="address_8h_source.html">address.h</a>></code></p>
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Inheritance diagram for ost::IPV6Mask:</div>
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<img src="classost_1_1_i_p_v6_mask.png" usemap="#ost::IPV6Mask_map" alt=""/>
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<p><a href="classost_1_1_i_p_v6_mask-members.html">List of all members.</a></p>
<table border="0" cellpadding="0" cellspacing="0">
<tr><td colspan="2"><h2>Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classost_1_1_i_p_v6_mask.html#a4c98eded1ed6405a01c5f4caf4afb28a">IPV6Mask</a> (const char *mask)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Create the mask from a null terminated ASCII string such as "255.255.255.128". <a href="#a4c98eded1ed6405a01c5f4caf4afb28a"></a><br/></td></tr>
<tr><td colspan="2"><h2>Friends</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">__EXPORT <a class="el" href="classost_1_1_i_p_v6_host.html">IPV6Host</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classost_1_1_i_p_v6_mask.html#a6c60e57c1de6ec492d8e415db11eab57">operator&</a> (const <a class="el" href="classost_1_1_i_p_v6_host.html">IPV6Host</a> &addr, const <a class="el" href="classost_1_1_i_p_v6_mask.html">IPV6Mask</a> &mask)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Masks are usually used to coerce host addresses into a specific router or class domain. <a href="#a6c60e57c1de6ec492d8e415db11eab57"></a><br/></td></tr>
</table>
<hr/><a name="_details"></a><h2>Detailed Description</h2>
<p>Internet addresses used specifically as masking addresses (such as "
255.255.255.0") are held in the <a class="el" href="classost_1_1_i_p_v6_mask.html" title="Internet addresses used specifically as masking addresses (such as " 255.255...">IPV6Mask</a> derived object. </p>
<p>The seperate class is used so that C++ type casting can automatically determine when an <a class="el" href="classost_1_1_i_p_v6_address.html" title="The network name and address objects are all derived from a common IPV6Address base...">IPV6Address</a> object is really a mask address object rather than simply using the base class. This also allows manipulative operators for address masking to operate only when presented with a Masked address as well as providing cleaner and safer source.</p>
<dl class="author"><dt><b>Author:</b></dt><dd>David Sugar <<a href="mailto:dyfet@ostel.com">dyfet@ostel.com</a>> Internet Address Mask such as subnet masks. </dd></dl>
<hr/><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" id="a4c98eded1ed6405a01c5f4caf4afb28a"></a><!-- doxytag: member="ost::IPV6Mask::IPV6Mask" ref="a4c98eded1ed6405a01c5f4caf4afb28a" args="(const char *mask)" -->
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<td class="memname">ost::IPV6Mask::IPV6Mask </td>
<td>(</td>
<td class="paramtype">const char * </td>
<td class="paramname"> <em>mask</em></td>
<td> ) </td>
<td></td>
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<p>Create the mask from a null terminated ASCII string such as "255.255.255.128". </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>mask</em> </td><td>null terminated ASCII mask string. </td></tr>
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</dd>
</dl>
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<hr/><h2>Friends And Related Function Documentation</h2>
<a class="anchor" id="a6c60e57c1de6ec492d8e415db11eab57"></a><!-- doxytag: member="ost::IPV6Mask::operator&" ref="a6c60e57c1de6ec492d8e415db11eab57" args="(const IPV6Host &addr, const IPV6Mask &mask)" -->
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<td class="memname">__EXPORT <a class="el" href="classost_1_1_i_p_v6_host.html">IPV6Host</a> operator& </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classost_1_1_i_p_v6_host.html">IPV6Host</a> & </td>
<td class="paramname"> <em>addr</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="classost_1_1_i_p_v6_mask.html">IPV6Mask</a> & </td>
<td class="paramname"> <em>mask</em></td><td> </td>
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<td></td>
<td>)</td>
<td></td><td></td><td><code> [friend]</code></td>
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<p>Masks are usually used to coerce host addresses into a specific router or class domain. </p>
<p>This can be done by taking the Inet Host Address object and "and"ing it with an address mask. This operation can be directly expressed in C++ through the & operator.</p>
<dl class="return"><dt><b>Returns:</b></dt><dd>a internet host address that has been masked. </dd></dl>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>addr</em> </td><td>host address to be masked by subnet. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>mask</em> </td><td>inetnet mask address object to mask by. </td></tr>
</table>
</dd>
</dl>
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<hr/>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="address_8h_source.html">address.h</a></li>
</ul>
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<hr class="footer"/><address style="text-align: right;"><small>Generated on Fri Nov 12 09:55:46 2010 for GNU CommonC++ by
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