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<TITLE>ACE Tutorial 009</TITLE>
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<CENTER><B><FONT SIZE=+2>ACE Tutorial 009</FONT></B></CENTER>
<CENTER><B><FONT SIZE=+2>Sending and receiving datagrams again</FONT></B></CENTER>
<P>
<HR WIDTH="100%">
<P>As you can see in <A HREF="broadcast_client.cpp">broadcast_client.cpp</A>,
there isn't enough difference to even comment on! Look back to the
Tutorial 8 version of this file. The only difference is the addition
of the timeout variable passed to recv().
<P>
<HR WIDTH="100%"><TT></TT>
<P><TT>#include "ace/SOCK_Dgram_Bcast.h"</TT>
<BR><TT>#include "ace/INET_Addr.h"</TT><TT></TT>
<P><TT>static const u_short PORT = ACE_DEFAULT_SERVER_PORT;</TT><TT></TT>
<P><TT>int main (int argc, char *argv[])</TT>
<BR><TT>{</TT>
<BR><TT> ACE_INET_Addr local ((u_short) 0);</TT>
<BR><TT> ACE_INET_Addr remote (PORT, INADDR_BROADCAST);</TT>
<BR><TT> ACE_SOCK_Dgram_Bcast dgram;</TT><TT></TT>
<P><TT> if (dgram.open (local) == -1)</TT>
<BR><TT> {</TT>
<BR><TT> ACE_ERROR_RETURN ((LM_ERROR, "%p\n", "open"),
-1);</TT>
<BR><TT> }</TT><TT></TT>
<P><TT> char buf[512];</TT><TT></TT>
<P><TT> sprintf (buf, argc > 1 ? argv[1] : "Hello World!");</TT><TT></TT>
<P><TT> if (dgram.send (buf, strlen (buf) + 1, remote) == -1)</TT>
<BR><TT> {</TT>
<BR><TT> ACE_ERROR_RETURN ((LM_ERROR, "%p\n", "send"),
-1);</TT>
<BR><TT> }</TT><TT></TT>
<P><TT> ACE_Time_Value timeout (2, 0);</TT>
<BR><TT> if (dgram.recv (buf, sizeof (buf), remote, 0, &timeout)
== -1)</TT>
<BR><TT> {</TT>
<BR><TT> ACE_ERROR_RETURN ((LM_ERROR, "%p\n", "recv"),
-1);</TT>
<BR><TT> }</TT><TT></TT>
<P><TT> ACE_DEBUG ((LM_DEBUG, "(%P|%t) The server at (%s) said (%s)\n",</TT>
<BR><TT>
remote.get_host_name (), buf));</TT><TT></TT>
<P><TT> return (0);</TT>
<BR><TT>}</TT>
<P>
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