/usr/include/mama/MamaQueueMonitorCallback.h is in libmama-dev 2.2.2.1-11.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 | /* $Id$
*
* OpenMAMA: The open middleware agnostic messaging API
* Copyright (C) 2011 NYSE Technologies, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
#ifndef MAMA_QUEUE_MONITOR_CB_H__
#define MAMA_QUEUE_MONITOR_CB_H__
namespace Wombat
{
/**
* Receive callbacks when certain conditions for the MamaQueue are met.
*
* Currently only one callback is defined which is invoked when the specified
* size limit on the MamaQueue is exceeded.
*/
class MAMACPPExpDLL MamaQueueMonitorCallback
{
public:
virtual ~MamaQueueMonitorCallback ()
{
}
/**
* Callback invoked if an upper size limit has been specified for a
* queue and that limit has been exceeded.
*
* @param queue Pointer to the queue for which this callback was
* invoked.
* @param size The number of events on the queue if supported;
* otherwise 0.
* @param closure User supplied data when the callback object was
* registered.
*/
virtual void onHighWatermarkExceeded (
MamaQueue* queue,
size_t size,
void* closure) = 0;
/**
* Callback when low water mark is reached. Only supported by Wombat
* TCP middleware.
*
* @param queue Pointer to the queue for which this callback was
* invoked.
* @param size The number of events on the queue.
* @param closure User supplied data when the callback object was
* registered.
*/
virtual void onLowWatermark (
MamaQueue* queue,
size_t size,
void* closure) = 0;
};
} // namespace Wombat
#endif
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