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-<HTML>
-<HEAD>
- <META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-1">
- <META NAME="Author" CONTENT="James CE Johnson">
- <TITLE>ACE Tutorial 015</TITLE>
-</HEAD>
-<BODY TEXT="#000000" BGCOLOR="#FFFFFF" LINK="#000FFF" VLINK="#FF0F0F">
-
-<CENTER><B><FONT SIZE=+2>ACE Tutorial 015</FONT></B></CENTER>
-
-<CENTER><B><FONT SIZE=+2>Building a protocol stream</FONT></B></CENTER>
-
-<P>
-<HR WIDTH="100%">
-The implementation of the Client object. Only the open() method
- really does any work. The other methods simply delegate their
- function to the Protocol_Stream.
-<HR>
-<PRE>
-
-<font color=red>// $Id$</font>
-
-<font color=blue>#include</font> "<font color=green>Client_i.h</font>"
-<font color=blue>#include</font> "<A HREF="../../../ace/Message_Block.h">ace/Message_Block.h</A>"
-<font color=blue>#include</font> "<A HREF="../../../ace/INET_Addr.h">ace/INET_Addr.h</A>"
-<font color=blue>#include</font> "<A HREF="../../../ace/SOCK_Connector.h">ace/SOCK_Connector.h</A>"
-
-<font color=red>// Simple constructor just remembers the endpoint information for use by open.</font>
-<font color=#008888>Client::Client</font>( u_short _port, const char * _server)
- : port_(_port), server_(_server)
-{
- ;
-}
-
-<font color=red>/* Do nothing. This should probably call close() if we can make sure
- that it's OK to close() multiple times.
-*/</font>
-<font color=#008888>Client::~Client</font>(void)
-{
- ;
-}
-
-<font color=red>/* Open the connection to the server. This is traditional ACE. We
- simply construct an endpoint and use a connector to establish the
- link.
-*/</font>
-int <font color=#008888>Client::open</font>( void )
-{
- ACE_INET_Addr addr(port_,server_);
- ACE_SOCK_Connector con;
-
- if( con.connect(peer(),addr) == -1 )
- {
- ACE_ERROR_RETURN ((LM_ERROR, "<font color=green>%p\n</font>", "<font color=green><font color=#008888>ACE_SOCK_Connector::connect</font>()</font>"), -1);
- }
-
- <font color=red>// Something new here... We have to use the protocol stream</font>
- <font color=red>// to ensure that our data is in the correct format when</font>
- <font color=red>// received by the server. Thus, we open the stream and</font>
- <font color=red>// transfer ownership of the peer.</font>
- return stream().open( peer() );
-}
-
-<font color=red>// The remainder of the functions just delegate to the stream.</font>
-
-int <font color=#008888>Client::close</font>( void )
-{
- return stream().close();
-}
-
-int <font color=#008888>Client::put</font>( ACE_Message_Block * _message )
-{
- return stream().put(_message,0);
-}
-
-int <font color=#008888>Client::get</font>( ACE_Message_Block * & _response )
-{
- return stream().get(_response);
-}
-</PRE>
-<HR>
-<P>
-Ok, that's it for the client. We've seen a very simple main()
- followed by an equally simple Client object.
-<P>
-For a quick look back:
-<UL>
-<LI><A HREF="Makefile.client">client Makefile</A>
-<LI><A HREF="client.cpp">client.cpp</A>
-<LI><A HREF="Client_i.h">Client_i.h</A>
-<LI><A HREF="Client_i.cpp">Client_i.cpp</A>
-</UL>
-<P>
-Now we'll move on and examine the server counter-part of our client.
-<P><HR WIDTH="100%">
-<CENTER>[<A HREF="../online-tutorials.html">Tutorial Index</A>] [<A HREF="page05.html">Continue This Tutorial</A>]</CENTER>