Thanks a lot for the fast answer.<br><br>I have another question about the boost::mutable_buffer since they are used to send and receive payload through the upd socket with the methods send_to and receive_from.<br>I'd like to know how can I assign the content of a mutable_buffer to a char * ?<br> I found the method buffer_cast (<a href="http://www.boost.org/doc/libs/1_37_0/doc/html/boost_asio/reference/mutable_buffer/buffer_cast.html">http://www.boost.org/doc/libs/1_37_0/doc/html/boost_asio/reference/mutable_buffer/buffer_cast.html</a>) but I don't really understand how to use it.<br> <br>Thanks in advance for the help.<br>Johan<br><br><div class="gmail_quote">2009/1/22 Igor R <span dir="ltr"><<a href="mailto:boost.lists@gmail.com">boost.lists@gmail.com</a>></span><br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"> <div dir="ltr"><div class="gmail_quote"><div class="Ih2E3d"> <blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0px 0px 0px 0.8ex; padding-left: 1ex;"><pre><br><span>udp</span><span>::</span><span>resolver</span> <span>resolver</span><span>(</span><span>io_service</span><span>);</span><br> <span>udp</span><span>::</span><span>resolver</span><span>::</span><span>query</span> <span>query</span><span>(</span><span>udp</span><span>::</span><span>v4</span><span>(),</span> <span>argv</span><span>[</span><span>1</span><span>],</span> <span>"daytime"</span><span>);</span><br> <span>udp</span><span>::</span><span>endpoint</span> <span>receiver_endpoint</span> <span>=</span> <span>*</span><span>resolver</span><span>.</span><span>resolve</span><span>(</span><span>query</span><span>);</span><br> <br><span>udp</span><span>::</span><span>socket</span> <span>socket</span><span>(</span><span>io_service</span><span>);</span><br> <span>socket</span><span>.</span><span>open</span><span>(</span><span>udp</span><span>::</span><span>v4</span><span>());</span></pre><br>But, to send something else than a Daytime request, I need to know what are the avalaible option to put instead of "daytime" in this line :<br> <pre><br><span>udp</span><span>::</span><span>resolver</span><span>::</span><span>query</span> <span>query</span><span>(</span><span>udp</span><span>::</span><span>v4</span><span>(),</span> <span>argv</span><span>[</span><span>1</span><span>],</span> <span>"daytime"</span><span>);</span></pre> </blockquote> <div> </div> </div><div> udp::resolver::query query(udp::v4(), "192.168.1.10", "8080");</div> <div> </div> <div> </div></div></div> <br>_______________________________________________<br> Boost-users mailing list<br> <a href="mailto:Boost-users@lists.boost.org">Boost-users@lists.boost.org</a><br> <a href="http://lists.boost.org/mailman/listinfo.cgi/boost-users" target="_blank">http://lists.boost.org/mailman/listinfo.cgi/boost-users</a><br></blockquote></div><br>