<HTML> <!-- ex08.html,v 1.2 2000/06/04 22:02:08 brunsch Exp --> <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> </BODY> </HTML>