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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>


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<P>As you can see in <A HREF="broadcast_client.cpp">broadcast_client.cpp</A>,
there isn't enough difference to even comment on!&nbsp; Look back to the
Tutorial 8 version of this file.&nbsp; The only difference is the addition
of the timeout variable passed to recv().

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<font color=red>// page04.html,v 1.11 2000/11/27 17:56:43 othman Exp</font>

<font color=blue>#include</font> "<A HREF="../../../ace/Log_Msg.h">ace/Log_Msg.h</A>"
<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;
}
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