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<!-- $Id$ -->
<HTML>
<HEAD>
<META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-1">
<META NAME="GENERATOR" CONTENT="Mozilla/4.04 [en] (X11; I; Linux 2.0.32 i486) [Netscape]">
<META NAME="Author" CONTENT="James CE Johnson">
<TITLE>ACE Tutorial 009</TITLE>
</HEAD>
<BODY TEXT="#000000" BGCOLOR="#FFFFFF" LINK="#000FFF" VLINK="#FF0F0F">
<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>
<PRE>
<font color=red>// $Id$</font>
<font color=blue>#include</font> "<A HREF="../../../ace/SOCK_Dgram_Bcast.h">ace/SOCK_Dgram_Bcast.h</A>"
<font color=blue>#include</font> "<A HREF="../../../ace/INET_Addr.h">ace/INET_Addr.h</A>"
static const u_short PORT = ACE_DEFAULT_SERVER_PORT;
int
main (int argc, char *argv[])
{
ACE_INET_Addr local ((u_short) 0);
ACE_INET_Addr remote (PORT, INADDR_BROADCAST);
ACE_SOCK_Dgram_Bcast dgram;
if (dgram.open (local) == -1)
ACE_ERROR_RETURN ((LM_ERROR,
"<font color=green>%p\n</font>",
"<font color=green>open</font>"),
-1);
char buf[BUFSIZ];
sprintf (buf,
argc > 1 ? argv[1] : "<font color=green>Hello World!</font>");
if (dgram.send (buf,
<font color=#008888>ACE_OS::strlen</font> (buf) + 1,
remote) == -1)
ACE_ERROR_RETURN ((LM_ERROR,
"<font color=green>%p\n</font>",
"<font color=green>send</font>"),
-1);
ACE_Time_Value timeout (2, 0);
if (dgram.recv (buf,
sizeof (buf),
remote,
0,
&timeout) == -1)
ACE_ERROR_RETURN ((LM_ERROR,
"<font color=green>%p\n</font>",
"<font color=green>recv</font>"),
-1);
ACE_DEBUG ((LM_DEBUG,
"<font color=green>(%P|%t) The server at (%s) said (%s)\n</font>",
remote.get_host_name (),
buf));
return 0;
}
</PRE>
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