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// $Id$
// Test program for the event transceiver. This program can play the
// role of either Consumer or Supplier. You can terminate this
// program by typing ^C....
#include "ace/OS_main.h"
#include "ace/OS_NS_string.h"
#include "ace/Service_Config.h"
#include "ace/SOCK_Connector.h"
#include "ace/Connector.h"
#include "ace/Get_Opt.h"
#include "ace/Signal.h"
#include "ace/OS_NS_unistd.h"
#include "transceiver.h"
ACE_RCSID (Transceiver,
transceiver,
"$Id$")
// Handle the command-line arguments.
int
Event_Transceiver::parse_args (int argc, ACE_TCHAR *argv[])
{
ACE_Get_Opt get_opt (argc, argv, ACE_TEXT ("Ch:p:S"));
this->port_number_ = ACE_DEFAULT_SERVER_PORT;
this->host_name_ = ACE_DEFAULT_SERVER_HOST;
this->role_ = ACE_TEXT ("Supplier");
for (int c; (c = get_opt ()) != -1; )
switch (c)
{
case 'C':
this->role_ = ACE_TEXT ("Consumer");
break;
case 'h':
this->host_name_ = get_opt.opt_arg ();
break;
case 'p':
this->port_number_ = ACE_OS::atoi (get_opt.opt_arg ());
break;
case 'S':
this->role_ = ACE_TEXT ("Supplier");
break;
default:
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT ("usage: %n [-CS] [-h host_name] [-p portnum] \n")),
-1);
/* NOTREACHED */
break;
}
// Increment by 1 if we're the supplier to mirror the default
// behavior of the Event_Server (which sets the Consumer port to
// ACE_DEFAULT_SERVER_PORT and the Supplier port to
// ACE_DEFAULT_SERVER_PORT + 1). Note that this is kind of a
// hack...
if (ACE_OS::strcmp (this->role_, ACE_TEXT ("Supplier")) == 0
&& this->port_number_ == ACE_DEFAULT_SERVER_PORT)
this->port_number_++;
return 0;
}
int
Event_Transceiver::handle_close (ACE_HANDLE,
ACE_Reactor_Mask)
{
ACE_Reactor::instance ()->end_reactor_event_loop ();
return 0;
}
// Close down via SIGINT or SIGQUIT.
int
Event_Transceiver::handle_signal (int,
siginfo_t *,
ucontext_t *)
{
ACE_Reactor::instance ()->end_reactor_event_loop ();
return 0;
}
Event_Transceiver::Event_Transceiver (void)
{
}
Event_Transceiver::Event_Transceiver (int argc, ACE_TCHAR *argv[])
{
if (this->parse_args (argc, argv) == -1)
ACE_ERROR ((LM_ERROR,
ACE_TEXT ("%p\n"),
ACE_TEXT ("parse_args")));
else
{
ACE_Sig_Set sig_set;
sig_set.sig_add (SIGINT);
sig_set.sig_add (SIGQUIT);
// Register to handle the SIGINT and SIGQUIT signals.
if (ACE_Reactor::instance ()->register_handler
(sig_set,
this) == -1)
ACE_ERROR ((LM_ERROR,
ACE_TEXT ("%p\n"),
ACE_TEXT ("register_handler")));
// We need to register <this> here before we're connected since
// otherwise <get_handle> will return the connection socket
// handle for the peer.
else if (ACE_Event_Handler::register_stdin_handler (this,
ACE_Reactor::instance (),
ACE_Thread_Manager::instance ()) == -1)
ACE_ERROR ((LM_ERROR,
ACE_TEXT ("%p\n"),
ACE_TEXT ("register_stdin_handler")));
// Address of the server.
ACE_INET_Addr server_addr (this->port_number_,
this->host_name_);
ACE_Connector<Event_Transceiver, ACE_SOCK_CONNECTOR> connector;
// We need a pointer here because connect takes a reference to a
// pointer!
Event_Transceiver *etp = this;
// Establish the connection to the Event Server.
if (connector.connect (etp,
server_addr) == -1)
{
ACE_ERROR ((LM_ERROR,
ACE_TEXT ("%p\n"),
this->host_name_));
ACE_Reactor::instance()->remove_handler (sig_set);
ACE_Event_Handler::remove_stdin_handler (ACE_Reactor::instance(),
ACE_Thread_Manager::instance());
}
}
}
int
Event_Transceiver::open (void *)
{
// Register ourselves to be notified when there's data to read on
// the socket.
if (ACE_Reactor::instance ()->register_handler
(this,
ACE_Event_Handler::READ_MASK) == -1)
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT ("%p\n"),
ACE_TEXT ("register_handler")),
-1);
return 0;
}
int
Event_Transceiver::handle_input (ACE_HANDLE handle)
{
// Determine whether we play the role of a consumer or a supplier.
if (handle == ACE_STDIN)
return this->transmitter ();
else
return this->receiver ();
}
int
Event_Transceiver::transmitter (void)
{
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("(%P|%t) entering %s transmitter\n"),
this->role_));
char buf[BUFSIZ];
ssize_t n = ACE_OS::read (ACE_STDIN, buf, sizeof buf);
int result = 0;
if (n <= 0 || this->peer ().send_n (buf, n) != n)
result = -1;
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("(%P|%t) leaving %s transmitter\n"),
this->role_));
return result;
}
int
Event_Transceiver::receiver (void)
{
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("(%P|%t) entering %s receiver\n"),
this->role_));
char buf[BUFSIZ];
ssize_t n = this->peer ().recv (buf, sizeof buf);
int result = 0;
if (n <= 0
|| ACE_OS::write (ACE_STDOUT, buf, n) != n)
result = -1;
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("(%P|%t) leaving %s receiver\n"),
this->role_));
return result;
}
int
ACE_TMAIN (int argc, ACE_TCHAR *argv[])
{
if (ACE_Service_Config::open (argv[0]) == -1
&& errno != ENOENT)
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT ("%p\n"),
ACE_TEXT ("open")),
-1);
// Create and initialize the transceiver.
Event_Transceiver transceiver (argc, argv);
// Demonstrate how we can check if a constructor failed...
if (ACE_LOG_MSG->op_status () == -1)
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT ("%p\n"),
ACE_TEXT ("Event_Transceiver constructor failed")),
-1);
// Run event loop until either the event server shuts down or we get
// a SIGINT.
ACE_Reactor::instance ()->run_reactor_event_loop ();
return 0;
}
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