1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 4<title>ip::network_v4</title> 5<link rel="stylesheet" href="../../../../doc/src/boostbook.css" type="text/css"> 6<meta name="generator" content="DocBook XSL Stylesheets V1.79.1"> 7<link rel="home" href="../../boost_asio.html" title="Boost.Asio"> 8<link rel="up" href="../reference.html" title="Reference"> 9<link rel="prev" href="ip__multicast__outbound_interface.html" title="ip::multicast::outbound_interface"> 10<link rel="next" href="ip__network_v4/address.html" title="ip::network_v4::address"> 11</head> 12<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> 13<table cellpadding="2" width="100%"><tr> 14<td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../boost.png"></td> 15<td align="center"><a href="../../../../index.html">Home</a></td> 16<td align="center"><a href="../../../../libs/libraries.htm">Libraries</a></td> 17<td 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Represents an IPv4 network. 31 </p> 32<pre class="programlisting">class network_v4 33</pre> 34<h5> 35<a name="boost_asio.reference.ip__network_v4.h0"></a> 36 <span class="phrase"><a name="boost_asio.reference.ip__network_v4.member_functions"></a></span><a class="link" href="ip__network_v4.html#boost_asio.reference.ip__network_v4.member_functions">Member Functions</a> 37 </h5> 38<div class="informaltable"><table class="table"> 39<colgroup> 40<col> 41<col> 42</colgroup> 43<thead><tr> 44<th> 45 <p> 46 Name 47 </p> 48 </th> 49<th> 50 <p> 51 Description 52 </p> 53 </th> 54</tr></thead> 55<tbody> 56<tr> 57<td> 58 <p> 59 <a class="link" href="ip__network_v4/address.html" title="ip::network_v4::address"><span class="bold"><strong>address</strong></span></a> 60 </p> 61 </td> 62<td> 63 <p> 64 Obtain the address object specified when the network object was 65 created. 66 </p> 67 </td> 68</tr> 69<tr> 70<td> 71 <p> 72 <a class="link" href="ip__network_v4/broadcast.html" title="ip::network_v4::broadcast"><span class="bold"><strong>broadcast</strong></span></a> 73 </p> 74 </td> 75<td> 76 <p> 77 Obtain an address object that represents the network's broadcast 78 address. 79 </p> 80 </td> 81</tr> 82<tr> 83<td> 84 <p> 85 <a class="link" href="ip__network_v4/canonical.html" title="ip::network_v4::canonical"><span class="bold"><strong>canonical</strong></span></a> 86 </p> 87 </td> 88<td> 89 <p> 90 Obtain the true network address, omitting any host bits. 91 </p> 92 </td> 93</tr> 94<tr> 95<td> 96 <p> 97 <a class="link" href="ip__network_v4/hosts.html" title="ip::network_v4::hosts"><span class="bold"><strong>hosts</strong></span></a> 98 </p> 99 </td> 100<td> 101 <p> 102 Obtain an address range corresponding to the hosts in the network. 103 </p> 104 </td> 105</tr> 106<tr> 107<td> 108 <p> 109 <a class="link" href="ip__network_v4/is_host.html" title="ip::network_v4::is_host"><span class="bold"><strong>is_host</strong></span></a> 110 </p> 111 </td> 112<td> 113 <p> 114 Test if network is a valid host address. 115 </p> 116 </td> 117</tr> 118<tr> 119<td> 120 <p> 121 <a class="link" href="ip__network_v4/is_subnet_of.html" title="ip::network_v4::is_subnet_of"><span class="bold"><strong>is_subnet_of</strong></span></a> 122 </p> 123 </td> 124<td> 125 <p> 126 Test if a network is a real subnet of another network. 127 </p> 128 </td> 129</tr> 130<tr> 131<td> 132 <p> 133 <a class="link" href="ip__network_v4/netmask.html" title="ip::network_v4::netmask"><span class="bold"><strong>netmask</strong></span></a> 134 </p> 135 </td> 136<td> 137 <p> 138 Obtain the netmask that was specified when the network object was 139 created. 140 </p> 141 </td> 142</tr> 143<tr> 144<td> 145 <p> 146 <a class="link" href="ip__network_v4/network.html" title="ip::network_v4::network"><span class="bold"><strong>network</strong></span></a> 147 </p> 148 </td> 149<td> 150 <p> 151 Obtain an address object that represents the network address. 152 </p> 153 </td> 154</tr> 155<tr> 156<td> 157 <p> 158 <a class="link" href="ip__network_v4/network_v4.html" title="ip::network_v4::network_v4"><span class="bold"><strong>network_v4</strong></span></a> <span class="silver">[constructor]</span> 159 </p> 160 </td> 161<td> 162 <p> 163 Default constructor. <br> <span class="silver"> —</span><br> Construct a network based on 164 the specified address and prefix length. <br> <span class="silver"> —</span><br> Construct 165 network based on the specified address and netmask. <br> <span class="silver"> —</span><br> 166 Copy constructor. 167 </p> 168 </td> 169</tr> 170<tr> 171<td> 172 <p> 173 <a class="link" href="ip__network_v4/operator_eq_.html" title="ip::network_v4::operator="><span class="bold"><strong>operator=</strong></span></a> 174 </p> 175 </td> 176<td> 177 <p> 178 Assign from another network. 179 </p> 180 </td> 181</tr> 182<tr> 183<td> 184 <p> 185 <a class="link" href="ip__network_v4/prefix_length.html" title="ip::network_v4::prefix_length"><span class="bold"><strong>prefix_length</strong></span></a> 186 </p> 187 </td> 188<td> 189 <p> 190 Obtain the prefix length that was specified when the network object 191 was created. 192 </p> 193 </td> 194</tr> 195<tr> 196<td> 197 <p> 198 <a class="link" href="ip__network_v4/to_string.html" title="ip::network_v4::to_string"><span class="bold"><strong>to_string</strong></span></a> 199 </p> 200 </td> 201<td> 202 <p> 203 Get the network as an address in dotted decimal format. 204 </p> 205 </td> 206</tr> 207</tbody> 208</table></div> 209<h5> 210<a name="boost_asio.reference.ip__network_v4.h1"></a> 211 <span class="phrase"><a name="boost_asio.reference.ip__network_v4.friends"></a></span><a class="link" href="ip__network_v4.html#boost_asio.reference.ip__network_v4.friends">Friends</a> 212 </h5> 213<div class="informaltable"><table class="table"> 214<colgroup> 215<col> 216<col> 217</colgroup> 218<thead><tr> 219<th> 220 <p> 221 Name 222 </p> 223 </th> 224<th> 225 <p> 226 Description 227 </p> 228 </th> 229</tr></thead> 230<tbody> 231<tr> 232<td> 233 <p> 234 <a class="link" href="ip__network_v4/operator_not__eq_.html" title="ip::network_v4::operator!="><span class="bold"><strong>operator!=</strong></span></a> 235 </p> 236 </td> 237<td> 238 <p> 239 Compare two networks for inequality. 240 </p> 241 </td> 242</tr> 243<tr> 244<td> 245 <p> 246 <a class="link" href="ip__network_v4/operator_eq__eq_.html" title="ip::network_v4::operator=="><span class="bold"><strong>operator==</strong></span></a> 247 </p> 248 </td> 249<td> 250 <p> 251 Compare two networks for equality. 252 </p> 253 </td> 254</tr> 255</tbody> 256</table></div> 257<h5> 258<a name="boost_asio.reference.ip__network_v4.h2"></a> 259 <span class="phrase"><a name="boost_asio.reference.ip__network_v4.related_functions"></a></span><a class="link" href="ip__network_v4.html#boost_asio.reference.ip__network_v4.related_functions">Related Functions</a> 260 </h5> 261<div class="informaltable"><table class="table"> 262<colgroup> 263<col> 264<col> 265</colgroup> 266<thead><tr> 267<th> 268 <p> 269 Name 270 </p> 271 </th> 272<th> 273 <p> 274 Description 275 </p> 276 </th> 277</tr></thead> 278<tbody><tr> 279<td> 280 <p> 281 <a class="link" href="ip__network_v4/make_network_v4.html" title="ip::network_v4::make_network_v4"><span class="bold"><strong>make_network_v4</strong></span></a> 282 </p> 283 </td> 284<td> 285 <p> 286 Create an IPv4 network from a string containing IP address and 287 prefix length. 288 </p> 289 </td> 290</tr></tbody> 291</table></div> 292<p> 293 The <a class="link" href="ip__network_v4.html" title="ip::network_v4"><code class="computeroutput">ip::network_v4</code></a> 294 class provides the ability to use and manipulate IP version 4 networks. 295 </p> 296<h5> 297<a name="boost_asio.reference.ip__network_v4.h3"></a> 298 <span class="phrase"><a name="boost_asio.reference.ip__network_v4.thread_safety"></a></span><a class="link" href="ip__network_v4.html#boost_asio.reference.ip__network_v4.thread_safety">Thread 299 Safety</a> 300 </h5> 301<p> 302 <span class="emphasis"><em>Distinct</em></span> <span class="emphasis"><em>objects:</em></span> Safe. 303 </p> 304<p> 305 <span class="emphasis"><em>Shared</em></span> <span class="emphasis"><em>objects:</em></span> Unsafe. 306 </p> 307<h5> 308<a name="boost_asio.reference.ip__network_v4.h4"></a> 309 <span class="phrase"><a name="boost_asio.reference.ip__network_v4.requirements"></a></span><a class="link" href="ip__network_v4.html#boost_asio.reference.ip__network_v4.requirements">Requirements</a> 310 </h5> 311<p> 312 <span class="emphasis"><em>Header: </em></span><code class="literal">boost/asio/ip/network_v4.hpp</code> 313 </p> 314<p> 315 <span class="emphasis"><em>Convenience header: </em></span><code class="literal">boost/asio.hpp</code> 316 </p> 317</div> 318<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 319<td align="left"></td> 320<td align="right"><div class="copyright-footer">Copyright © 2003-2020 Christopher M. 321 Kohlhoff<p> 322 Distributed under the Boost Software License, Version 1.0. (See accompanying 323 file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>) 324 </p> 325</div></td> 326</tr></table> 327<hr> 328<div class="spirit-nav"> 329<a accesskey="p" href="ip__multicast__outbound_interface.html"><img src="../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../reference.html"><img src="../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../boost_asio.html"><img src="../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="ip__network_v4/address.html"><img src="../../../../doc/src/images/next.png" alt="Next"></a> 330</div> 331</body> 332</html> 333
