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<HTML>
<HEAD>
<META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-1">
<META NAME="Author" CONTENT="Ambreen Ilyas">
<META NAME="GENERATOR" CONTENT="Mozilla/4.05 [en] (X11; I; SunOS 5.5.1 sun4u) [Netscape]">
<TITLE>Example 8</TITLE>
</HEAD>
<BODY>
<FONT COLOR="#CC0000">/////////////////////////////////////////////////////////////////////////////////////////////////////////////////</FONT>
<BR><FONT COLOR="#CC0000">//// This example is from the ACE Programmers
Guide.</FONT>
<BR><FONT COLOR="#CC0000">//// Chapter: "The Acceptor/Connector"
(Connection Initialization)</FONT>
<BR><FONT COLOR="#CC0000">//// For details please see the guide at</FONT>
<BR><FONT COLOR="#CC0000">//// http://www.cs.wustl.edu/~schmidt/ACE.html</FONT>
<BR><FONT COLOR="#CC0000">//// AUTHOR: Umar Syyid (usyyid@hns.com)</FONT>
<BR><FONT COLOR="#CC0000">//// and Ambreen Ilyas (ambreen@bitsmart.com)</FONT>
<BR><FONT COLOR="#CC0000">/////////////////////////////////////////////////////////////////////////////////////////////////////////////</FONT>
<P><FONT COLOR="#CC0000">//Example 8</FONT>
<BR><FONT COLOR="#000099">#include</FONT> <FONT COLOR="#006600">"ace/Reactor.h"</FONT>
<BR><FONT COLOR="#000099">#include</FONT> <FONT COLOR="#006600">"ace/Svc_Handler.h"</FONT>
<BR><FONT COLOR="#000099">#include</FONT> <FONT COLOR="#006600">"ace/Acceptor.h"</FONT>
<BR><FONT COLOR="#000099">#include</FONT> <FONT COLOR="#006600">"ace/Synch.h"</FONT>
<BR><FONT COLOR="#000099">#include</FONT> <FONT COLOR="#006600">"ace/SOCK_Acceptor.h"</FONT>
<BR><FONT COLOR="#000099">#define</FONT><FONT COLOR="#663366"> PORT_NUM
10101</FONT>
<BR><FONT COLOR="#000099">#define</FONT><FONT COLOR="#663366"> DATA_SIZE
12</FONT><FONT COLOR="#FF0000"></FONT>
<P><FONT COLOR="#FF0000">//forward declaration</FONT>
<BR>class My_Svc_Handler;<FONT COLOR="#FF0000"></FONT>
<P><FONT COLOR="#FF0000">//instantiate a strategy acceptor</FONT>
<BR>typedef ACE_Strategy_Acceptor<My_Svc_Handler,ACE_SOCK_ACCEPTOR>
MyAcceptor;<FONT COLOR="#FF0000"></FONT>
<P><FONT COLOR="#FF0000">//instantiate a concurrency strategy</FONT>
<BR>typedef ACE_Process_Strategy<My_Svc_Handler> Concurrency_Strategy;
<P><FONT COLOR="#FF0000">// Define the Service Handler</FONT>
<BR>class My_Svc_Handler:
<BR> public ACE_Svc_Handler <ACE_SOCK_STREAM,ACE_NULL_SYNCH>{
<BR>private:
<BR> char* data;
<BR>public:
<BR> My_Svc_Handler(){
<BR> data= new char[DATA_SIZE];
<BR> }
<BR> My_Svc_Handler(ACE_Thread_Manager* tm){
<BR> data= new char[DATA_SIZE];
<BR> }
<BR> int open(void*){
<BR> ACE_DEBUG((LM_DEBUG,"Connection
established\n"));
<BR><FONT COLOR="#FF0000">
//Register with the reactor</FONT>
<BR> ACE_Reactor::instance()->register_handler(this,
<BR> ACE_Event_Handler::READ_MASK);
<BR> return 0;
<BR> }
<P> int handle_input(ACE_HANDLE){
<BR> peer().recv_n(data,DATA_SIZE);
<BR> ACE_OS::printf(?<< %s\n?,data);
<BR>
<BR><FONT COLOR="#FF0000"> // keep yourself registered
with the reactor</FONT>
<BR> return 0;
<BR> }
<BR>};
<P>int main(int argc, char* argv[]){
<BR> ACE_INET_Addr addr(PORT_NUM);
<P> <FONT COLOR="#FF0000">//Concurrency Strategy</FONT>
<BR> Concurrency_Strategy my_con_strat;
<P><FONT COLOR="#FF0000">//Instantiate the acceptor</FONT>
<BR> MyAcceptor acceptor(addr, <FONT COLOR="#FF0000">//address to
accept on</FONT>
<BR> ACE_Reactor::instance(), <FONT COLOR="#FF0000">//the reactor
to use</FONT>
<BR> 0, <FONT COLOR="#FF0000">// dont care about creation strategy</FONT>
<BR> 0, <FONT COLOR="#FF0000">// dont care about connection estb.
strategy</FONT>
<BR> &my_con_strat);<FONT COLOR="#FF0000"> // use our new process
concurrency strategy</FONT>
<P>while(1)<FONT COLOR="#FF0000"> // Start the reactors event loop</FONT>
<BR> ACE_Reactor::instance()->handle_events();
<BR>}
<P> <A HREF="ex09.html">Next Example</A>
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