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diff --git a/docs/tutorials/009/page02.html b/docs/tutorials/009/page02.html deleted file mode 100644 index 26ac34c4f2d..00000000000 --- a/docs/tutorials/009/page02.html +++ /dev/null @@ -1,112 +0,0 @@ -<!-- $Id$ --> -<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>Let's take a look at our new <A HREF="server.cpp">server.cpp</A> where -we add in just a bit of code to examine the datagram contents before responding. - -<P> -<HR WIDTH="100%"><TT></TT> -<PRE> -<font color=red>// $Id$</font> - -<font color=red>/* The actual datagram operations here are exactly the same as those - used in the previous tutorial. What we've added is some logic that - will prevent this server from responding to just any old datagram. - I'll limit my comments to those pieces of code. */</font> - -<font color=blue>#include</font> "<A HREF="../../../ace/SOCK_Dgram.h">ace/SOCK_Dgram.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; - -<font color=red>/* In order to be more selective, our server will be started with a - "<font color=green>signature</font>". If none is given, we'll use the one here instead. */</font> -static const char *default_signature = "<font color=green>Hello World!</font>"; - -int -main (int argc, char *argv[]) -{ - ACE_INET_Addr local (PORT); - ACE_SOCK_Dgram 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]; - ACE_INET_Addr remote; - - while (dgram.recv (buf, - sizeof (buf), - remote) != -1) - { - <font color=red>/* What did the client say? */</font> - ACE_DEBUG ((LM_DEBUG, - "<font color=green>(%P|%t) Received (%s) from (%s)\n</font>", - buf, - remote.get_host_name ())); - - <font color=red>/* Use a simple string-op to decide if the client is one of our - own. Of course, you could have sent numeric values or even a - struct of data. For this simple exercise, however, strings are - just fine. */</font> - if (<font color=#008888>ACE_OS::strcmp</font> (buf, - argc > 1 ? argv[1] : default_signature)) - { - <font color=red>/* If the client didn't say something we like then log it - * and move on. - */</font> - ACE_DEBUG ((LM_DEBUG, - "<font color=green>(%P|%t) Client query does not match our signature (%s). Response not sent.\n</font>", - argc > 1 ? argv[1] : default_signature)); - } - else - { - <font color=red>/* As before, we respond to the client's query. */</font> - - ACE_INET_Addr local ((u_short) 0); - ACE_SOCK_Dgram peer; - if (peer.open (local) == -1) - ACE_ERROR_RETURN ((LM_ERROR, - "<font color=green>%p\n</font>", - "<font color=green>response open</font>"), - -1); - sprintf (buf, - "<font color=green>I am here</font>"); - if (peer.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>response send</font>"), - -1); - } - } - - return 0; -} -</PRE> -<HR WIDTH="100%"> - -<P>Let's move on and see what changes the clients require... - -<P><HR WIDTH="100%"> -<CENTER>[<A HREF="../online-tutorials.html">Tutorial Index</A>] [<A HREF="page03.html">Continue This Tutorial</A>]</CENTER> - |