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// $Id$
#include "Event_Comm.hh"
#include "Notifier_Handler.h"
#include "Input_Handler.h"
ACE_RCSID(Supplier, Input_Handler, "$Id$")
#if defined (ACE_HAS_ORBIX) && (ACE_HAS_ORBIX != 0)
int
Input_Handler::handle_close (ACE_HANDLE, ACE_Reactor_Mask)
{
ACE_DEBUG ((LM_DEBUG,
"closing down Supplier::Input_Handler\n"));
Event_Comm::Notifier *notifier = this->notifier_->notifier ();
ACE_ASSERT (notifier != 0);
ACE_OS::fclose (this->fp_);
TRY
{
// Disconnect all the consumers gracefully.
notifier->send_disconnect ("quit", IT_X);
}
CATCHANY
{
cerr << IT_X << endl;
}
ENDTRY;
// Don't execute a callback here otherwise we'll recurse
// indefinitely!
if (ACE_Reactor::instance ()->remove_handler
(this,
ACE_Event_Handler::READ_MASK | ACE_Event_Handler::DONT_CALL) == -1)
ACE_ERROR ((LM_ERROR,
"%p\n",
"remove_handler"));
// *Must* be allocated dyanmically!
::operator delete ((void *) this);
return 0;
}
Input_Handler::Input_Handler (Notifier_Handler *notifier,
ACE_HANDLE handle) // Use stdin by default.
: notifier_ (notifier),
handle_ (handle)
{
// Register ourselves with the ACE_Reactor so that input events
// cause our handle_input() method to be dispatched automatically.
if (ACE_Reactor::instance ()->register_handler
(this, ACE_Event_Handler::READ_MASK) == -1)
ACE_ERROR ((LM_ERROR,
"%p\n",
"register_handler"));
this->fp_ = ACE_OS::fdopen (handle, "r");
if (this->fp_ == 0)
ACE_ERROR ((LM_ERROR,
"%p\n",
"fdopen"));
}
Input_Handler::~Input_Handler (void)
{
ACE_DEBUG ((LM_DEBUG,
"closing down Input_Handler::~Input_Handler\n"));
this->handle_close ();
}
ACE_HANDLE
Input_Handler::get_handle (void) const
{
return this->handle_;
}
// Frame input events and notify <Consumers>.
int
Input_Handler::handle_input (ACE_HANDLE h)
{
char buf[BUFSIZ];
// Read up to BUFSIZ worth of data from ACE_HANDLE h.
if (ACE_OS::fgets (buf, sizeof buf - 1, this->fp_) == 0)
{
ACE_OS::strcpy (buf, "quit");
ACE_DEBUG ((LM_DEBUG,
"shutting down Input_Handler\n"));
}
else
{
size_t n = ACE_OS::strlen (buf);
// Null terminate the buffer, replacing the '\n' with '\0'.
if (buf[n - 1] == '\n' || buf[n - 1] == EOF)
buf[n - 1] = '\0';
else
buf[n] = '\0';
ACE_DEBUG ((LM_DEBUG, "notifying for event %s\n", buf));
}
Event_Comm::Notifier *notifier = this->notifier_->notifier ();
ACE_ASSERT (notifier != 0);
if (ACE_OS::strcmp (buf, "quit") == 0)
// Tell the main event loop to shutdown.
ACE_Reactor::end_event_loop();
else
{
// Use the notifier to notify Consumers.
TRY
{
Event_Comm::Notification notification;
// Pass the buf over in the tag field.
notification.tag_ = ACE_OS::strdup (buf);
// This is where the "any" value goes or the object
// reference... notification.value_ = ...
// Forward <Notification> to all <Notification_Receivers>.
notifier->send_notification (notification, IT_X);
}
CATCHANY
{
cerr << "unexpected exception " << IT_X << endl;
}
ENDTRY;
}
return 0;
}
#endif /* ACE_HAS_ORBIX */
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