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/* -*- C++ -*- */
/* $Id$ */
/* Copyright (c) 1995 Oregon Graduate Institute of Science and Technology
* P.O.Box 91000-1000, Portland, OR 97291, USA;
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of O.G.I. not be used in advertising or
* publicity pertaining to distribution of the software without specific,
* written prior permission. O.G.I. makes no representations about the
* suitability of this software for any purpose. It is provided "as is"
* without express or implied warranty.
*
* O.G.I. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
* ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
* O.G.I. BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY
* DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* Author: Shanwei Cen
* Department of Computer Science and Engineering
* email: scen@cse.ogi.edu
*/
#if !defined (AV_COMMAND_HANDLER_H)
#define AV_COMMAND_HANDLER_H
#include "ace/Reactor.h"
#include "ace/Event_Handler.h"
class Command_Handler
: public virtual ACE_Event_Handler
{
// = TITLE
// Defines the event handler class for the client commands
//
// = DESCRIPTION
// This class makes use of a UNIX socket, over which
// it will receive commands from the GUI
public:
Command_Handler (ACE_HANDLE command_handle);
// Construct this handler with a control (UNIX) handle
virtual int handle_input (ACE_HANDLE fd = ACE_INVALID_HANDLE);
// Called when input events occur (e.g., connection or data).
virtual ACE_HANDLE get_handle (void) const;
// Returns the handle used by the event_handler.
private:
ACE_HANDLE command_handle_;
// The fd for the UNIX command socket
};
class Client_Sig_Handler
: public virtual ACE_Event_Handler
// = TITLE
// Defines the signal handler class for the client timer processing
//
// = DESCRIPTION
// %%
{
public:
Client_Sig_Handler (void);
virtual ACE_HANDLE get_handle (void) const;
int register_handler (void);
// this will register this sig_handler
// with the reactor for SIGCHLD,SIGTERM,SIGINT
virtual int shutdown (ACE_HANDLE,
ACE_Reactor_Mask);
// handles the reactor shutdown
virtual int handle_input (ACE_HANDLE);
// handle input on the dummy handle.
virtual int handle_signal (ACE_HANDLE signum,
siginfo_t * = 0,
ucontext_t* = 0);
// handles SIGALRM
private:
ACE_HANDLE handle_;
// dummy handle for the sig handler.
};
#endif /* AV_COMMAND_HANDLER_H */
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