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<a href="#func-members">Functions</a> </div>
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<h1>IP Multicast</h1> </div>
<div class="ingroups"><a class="el" href="group__apr__network__io.html">Network Routines</a></div></div>
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<table class="memberdecls">
<tr><td colspan="2"><h2><a name="func-members"></a>
Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__apr__errno.html#gaf76ee4543247e9fb3f3546203e590a6c">apr_status_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__apr__mcast.html#ga731894962f9b20b2ee3ccd057053ef71">apr_mcast_join</a> (<a class="el" href="group__apr__network__io.html#ga49262b223e7434746e1f1737659aa2c3">apr_socket_t</a> *sock, <a class="el" href="structapr__sockaddr__t.html">apr_sockaddr_t</a> *join, <a class="el" href="structapr__sockaddr__t.html">apr_sockaddr_t</a> *iface, <a class="el" href="structapr__sockaddr__t.html">apr_sockaddr_t</a> *source)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__apr__errno.html#gaf76ee4543247e9fb3f3546203e590a6c">apr_status_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__apr__mcast.html#gadd3d59b5f628786093277b962c863d13">apr_mcast_leave</a> (<a class="el" href="group__apr__network__io.html#ga49262b223e7434746e1f1737659aa2c3">apr_socket_t</a> *sock, <a class="el" href="structapr__sockaddr__t.html">apr_sockaddr_t</a> *addr, <a class="el" href="structapr__sockaddr__t.html">apr_sockaddr_t</a> *iface, <a class="el" href="structapr__sockaddr__t.html">apr_sockaddr_t</a> *source)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__apr__errno.html#gaf76ee4543247e9fb3f3546203e590a6c">apr_status_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__apr__mcast.html#ga373041d43cb0fd05b2974b9fef0ae30f">apr_mcast_hops</a> (<a class="el" href="group__apr__network__io.html#ga49262b223e7434746e1f1737659aa2c3">apr_socket_t</a> *sock, apr_byte_t ttl)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__apr__errno.html#gaf76ee4543247e9fb3f3546203e590a6c">apr_status_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__apr__mcast.html#ga84bc14970499f79de8b71d77898f68ee">apr_mcast_loopback</a> (<a class="el" href="group__apr__network__io.html#ga49262b223e7434746e1f1737659aa2c3">apr_socket_t</a> *sock, apr_byte_t opt)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__apr__errno.html#gaf76ee4543247e9fb3f3546203e590a6c">apr_status_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__apr__mcast.html#ga9949eb40d8bfb670f9bce997cebcdcae">apr_mcast_interface</a> (<a class="el" href="group__apr__network__io.html#ga49262b223e7434746e1f1737659aa2c3">apr_socket_t</a> *sock, <a class="el" href="structapr__sockaddr__t.html">apr_sockaddr_t</a> *iface)</td></tr>
</table>
<hr/><h2>Function Documentation</h2>
<a class="anchor" id="ga373041d43cb0fd05b2974b9fef0ae30f"></a><!-- doxytag: member="apr_network_io.h::apr_mcast_hops" ref="ga373041d43cb0fd05b2974b9fef0ae30f" args="(apr_socket_t *sock, apr_byte_t ttl)" -->
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<td class="memname"><a class="el" href="group__apr__errno.html#gaf76ee4543247e9fb3f3546203e590a6c">apr_status_t</a> apr_mcast_hops </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group__apr__network__io.html#ga49262b223e7434746e1f1737659aa2c3">apr_socket_t</a> * </td>
<td class="paramname"><em>sock</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">apr_byte_t </td>
<td class="paramname"><em>ttl</em> </td>
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<td></td>
<td>)</td>
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<div class="memdoc">
<p>Set the Multicast Time to Live (ttl) for a multicast transmission. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">sock</td><td>The socket to set the multicast ttl </td></tr>
<tr><td class="paramname">ttl</td><td>Time to live to Assign. 0-255, default=1 </td></tr>
</table>
</dd>
</dl>
<dl class="remark"><dt><b>Remarks:</b></dt><dd>If the TTL is 0, packets will only be seen by sockets on the local machine, and only when multicast loopback is enabled. </dd></dl>
</div>
</div>
<a class="anchor" id="ga9949eb40d8bfb670f9bce997cebcdcae"></a><!-- doxytag: member="apr_network_io.h::apr_mcast_interface" ref="ga9949eb40d8bfb670f9bce997cebcdcae" args="(apr_socket_t *sock, apr_sockaddr_t *iface)" -->
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<td class="memname"><a class="el" href="group__apr__errno.html#gaf76ee4543247e9fb3f3546203e590a6c">apr_status_t</a> apr_mcast_interface </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group__apr__network__io.html#ga49262b223e7434746e1f1737659aa2c3">apr_socket_t</a> * </td>
<td class="paramname"><em>sock</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structapr__sockaddr__t.html">apr_sockaddr_t</a> * </td>
<td class="paramname"><em>iface</em> </td>
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<p>Set the Interface to be used for outgoing Multicast Transmissions. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">sock</td><td>The socket to set the multicast interface on </td></tr>
<tr><td class="paramname">iface</td><td>Address of the interface to use for Multicast </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="ga731894962f9b20b2ee3ccd057053ef71"></a><!-- doxytag: member="apr_network_io.h::apr_mcast_join" ref="ga731894962f9b20b2ee3ccd057053ef71" args="(apr_socket_t *sock, apr_sockaddr_t *join, apr_sockaddr_t *iface, apr_sockaddr_t *source)" -->
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<td class="memname"><a class="el" href="group__apr__errno.html#gaf76ee4543247e9fb3f3546203e590a6c">apr_status_t</a> apr_mcast_join </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group__apr__network__io.html#ga49262b223e7434746e1f1737659aa2c3">apr_socket_t</a> * </td>
<td class="paramname"><em>sock</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structapr__sockaddr__t.html">apr_sockaddr_t</a> * </td>
<td class="paramname"><em>join</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structapr__sockaddr__t.html">apr_sockaddr_t</a> * </td>
<td class="paramname"><em>iface</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structapr__sockaddr__t.html">apr_sockaddr_t</a> * </td>
<td class="paramname"><em>source</em> </td>
</tr>
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<td></td>
<td>)</td>
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<div class="memdoc">
<p>Join a Multicast Group </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">sock</td><td>The socket to join a multicast group </td></tr>
<tr><td class="paramname">join</td><td>The address of the multicast group to join </td></tr>
<tr><td class="paramname">iface</td><td>Address of the interface to use. If NULL is passed, the default multicast interface will be used. (OS Dependent) </td></tr>
<tr><td class="paramname">source</td><td>Source Address to accept transmissions from (non-NULL implies Source-Specific Multicast) </td></tr>
</table>
</dd>
</dl>
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<a class="anchor" id="gadd3d59b5f628786093277b962c863d13"></a><!-- doxytag: member="apr_network_io.h::apr_mcast_leave" ref="gadd3d59b5f628786093277b962c863d13" args="(apr_socket_t *sock, apr_sockaddr_t *addr, apr_sockaddr_t *iface, apr_sockaddr_t *source)" -->
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<td class="memname"><a class="el" href="group__apr__errno.html#gaf76ee4543247e9fb3f3546203e590a6c">apr_status_t</a> apr_mcast_leave </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group__apr__network__io.html#ga49262b223e7434746e1f1737659aa2c3">apr_socket_t</a> * </td>
<td class="paramname"><em>sock</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structapr__sockaddr__t.html">apr_sockaddr_t</a> * </td>
<td class="paramname"><em>addr</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structapr__sockaddr__t.html">apr_sockaddr_t</a> * </td>
<td class="paramname"><em>iface</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structapr__sockaddr__t.html">apr_sockaddr_t</a> * </td>
<td class="paramname"><em>source</em> </td>
</tr>
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<p>Leave a Multicast Group. All arguments must be the same as apr_mcast_join. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">sock</td><td>The socket to leave a multicast group </td></tr>
<tr><td class="paramname">addr</td><td>The address of the multicast group to leave </td></tr>
<tr><td class="paramname">iface</td><td>Address of the interface to use. If NULL is passed, the default multicast interface will be used. (OS Dependent) </td></tr>
<tr><td class="paramname">source</td><td>Source Address to accept transmissions from (non-NULL implies Source-Specific Multicast) </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="ga84bc14970499f79de8b71d77898f68ee"></a><!-- doxytag: member="apr_network_io.h::apr_mcast_loopback" ref="ga84bc14970499f79de8b71d77898f68ee" args="(apr_socket_t *sock, apr_byte_t opt)" -->
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<td class="memname"><a class="el" href="group__apr__errno.html#gaf76ee4543247e9fb3f3546203e590a6c">apr_status_t</a> apr_mcast_loopback </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group__apr__network__io.html#ga49262b223e7434746e1f1737659aa2c3">apr_socket_t</a> * </td>
<td class="paramname"><em>sock</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">apr_byte_t </td>
<td class="paramname"><em>opt</em> </td>
</tr>
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<td></td>
<td>)</td>
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<div class="memdoc">
<p>Toggle IP Multicast Loopback </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">sock</td><td>The socket to set multicast loopback </td></tr>
<tr><td class="paramname">opt</td><td>0=disable, 1=enable </td></tr>
</table>
</dd>
</dl>
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