/usr/include/DrawServ/ackback-handler.h is in ivtools-dev 1.2.11a1-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (c) 2004 Scott E. Johnston
*
* 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 names of the copyright holders not be used in
* advertising or publicity pertaining to distribution of the software
* without specific, written prior permission. The copyright holders make
* no representations about the suitability of this software for any purpose.
* It is provided "as is" without express or implied warranty.
*
* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.
* IN NO EVENT SHALL THE COPYRIGHT HOLDERS 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.
*
*/
#ifdef HAVE_ACE
#ifndef _ackback_handler_
#define _ackback_handler_
#include <iosfwd>
#include <ace/Event_Handler.h>
class DrawLink;
//: specialized ACE_EventHandler for monitoring responses from outgoing connection
class AckBackHandler : public ACE_Event_Handler
{
public:
// = Initialization and termination methods.
AckBackHandler ();
virtual ~AckBackHandler ();
DrawLink* drawlink() { return _drawlink; }
// get DrawLink associated with this handler
void drawlink(DrawLink* link) { _drawlink = link; }
// set DrawLink associated with this handler
virtual int handle_input (ACE_HANDLE fd = ACE_INVALID_HANDLE);
// Called when input events occur (e.g., connection or data).
virtual int handle_timeout (const ACE_Time_Value &tv,
const void *arg);
// called when timer goes off.
virtual int handle_close (ACE_HANDLE handle,
ACE_Reactor_Mask close_mask);
// Called when a <handle_*()> method returns -1 or when the
// <remove_handler> method is called on an <ACE_Reactor>. The
// <close_mask> indicates which event has triggered the
// <handle_close> method callback on a particular <handle>.
virtual ACE_HANDLE get_handle (void) const;
// Get the I/O handle.
virtual void set_handle (ACE_HANDLE);
// Set the I/O handle.
void start_timer();
// Start timer waiting for ackback
protected:
DrawLink* _drawlink;
int _timer_started;
int _ackback_arrived;
long _timerid;
ACE_HANDLE _handle;
int _eof_expected;
};
#endif /* _ackback_handler_ */
#endif /* HAVE_ACE */
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