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<p class="MsoNormal">Hi all,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I am working with multicast socket and I saw in the source of the kernel different define for identical operation, what should I use in a setsockopt() ?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">The file is /incude/linux/in.h<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<pre style="background:white"><span style="color:black">#define <a href="http://lxr.linux.no/linux+v3.2.9/+code=IP_MULTICAST_IF">IP_MULTICAST_IF</a> 32<o:p></o:p></span></pre>
<pre style="background:white"><span style="color:black">#define <a href="http://lxr.linux.no/linux+v3.2.9/+code=IP_MULTICAST_TTL">IP_MULTICAST_TTL</a> 33<o:p></o:p></span></pre>
<pre style="background:white"><span style="color:black">#define <a href="http://lxr.linux.no/linux+v3.2.9/+code=IP_MULTICAST_LOOP">IP_MULTICAST_LOOP</a> 34<o:p></o:p></span></pre>
<pre style="background:white"><span style="color:black">#define <a href="http://lxr.linux.no/linux+v3.2.9/+code=IP_ADD_MEMBERSHIP">IP_ADD_MEMBERSHIP</a> 35<o:p></o:p></span></pre>
<pre style="background:white"><span style="color:black">#define <a href="http://lxr.linux.no/linux+v3.2.9/+code=IP_DROP_MEMBERSHIP">IP_DROP_MEMBERSHIP</a> 36<o:p></o:p></span></pre>
<pre style="background:white"><span style="color:black">#define <a href="http://lxr.linux.no/linux+v3.2.9/+code=IP_UNBLOCK_SOURCE">IP_UNBLOCK_SOURCE</a> 37<o:p></o:p></span></pre>
<pre style="background:white"><span style="color:black">#define <a href="http://lxr.linux.no/linux+v3.2.9/+code=IP_BLOCK_SOURCE">IP_BLOCK_SOURCE</a> 38<o:p></o:p></span></pre>
<pre style="background:white"><span style="color:black">#define <a href="http://lxr.linux.no/linux+v3.2.9/+code=IP_ADD_SOURCE_MEMBERSHIP">IP_ADD_SOURCE_MEMBERSHIP</a> 39<o:p></o:p></span></pre>
<pre style="background:white"><span style="color:black">#define <a href="http://lxr.linux.no/linux+v3.2.9/+code=IP_DROP_SOURCE_MEMBERSHIP">IP_DROP_SOURCE_MEMBERSHIP</a> 40<o:p></o:p></span></pre>
<pre style="background:white"><span style="color:black">#define <a href="http://lxr.linux.no/linux+v3.2.9/+code=IP_MSFILTER">IP_MSFILTER</a> 41<o:p></o:p></span></pre>
<pre style="background:white"><span style="color:black">#define <a href="http://lxr.linux.no/linux+v3.2.9/+code=MCAST_JOIN_GROUP">MCAST_JOIN_GROUP</a> 42<o:p></o:p></span></pre>
<pre style="background:white"><span style="color:black">#define <a href="http://lxr.linux.no/linux+v3.2.9/+code=MCAST_BLOCK_SOURCE">MCAST_BLOCK_SOURCE</a> 43<o:p></o:p></span></pre>
<pre style="background:white"><span style="color:black">#define <a href="http://lxr.linux.no/linux+v3.2.9/+code=MCAST_UNBLOCK_SOURCE">MCAST_UNBLOCK_SOURCE</a> 44<o:p></o:p></span></pre>
<pre style="background:white"><span style="color:black">#define <a href="http://lxr.linux.no/linux+v3.2.9/+code=MCAST_LEAVE_GROUP">MCAST_LEAVE_GROUP</a> 45<o:p></o:p></span></pre>
<pre style="background:white"><span style="color:black">#define <a href="http://lxr.linux.no/linux+v3.2.9/+code=MCAST_JOIN_SOURCE_GROUP">MCAST_JOIN_SOURCE_GROUP</a> 46<o:p></o:p></span></pre>
<pre style="background:white"><span style="color:black">#define <a href="http://lxr.linux.no/linux+v3.2.9/+code=MCAST_LEAVE_SOURCE_GROUP">MCAST_LEAVE_SOURCE_GROUP</a> 47<o:p></o:p></span></pre>
<pre style="background:white"><span style="color:black">#define <a href="http://lxr.linux.no/linux+v3.2.9/+code=MCAST_MSFILTER">MCAST_MSFILTER</a> 48<o:p></o:p></span></pre>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I am working with IGMP V3 and I need to handle sources .<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thanks in advance,<o:p></o:p></p>
<p class="MsoNormal">Pietro Paolini<o:p></o:p></p>
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