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71 lines
2.0 KiB
C
71 lines
2.0 KiB
C
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/* lutil_meter.h - progress meters */
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/* $OpenLDAP$ */
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/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
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*
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* Copyright (c) 2009 by Matthew Backes, Symas Corp.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted only as authorized by the OpenLDAP
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* Public License.
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*
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* A copy of this license is available in the file LICENSE in the
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* top-level directory of the distribution or, alternatively, at
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* <http://www.OpenLDAP.org/license.html>.
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*/
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/* ACKNOWLEDGEMENTS:
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* This work was initially developed by Matthew Backes for inclusion
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* in OpenLDAP software.
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*/
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#ifndef _LUTIL_METER_H
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#define _LUTIL_METER_H
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#include "portable.h"
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#include <limits.h>
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#include <stdio.h>
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#include <sys/types.h>
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#include <ac/stdlib.h>
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#include <ac/time.h>
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typedef struct {
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int (*display_open) (void **datap);
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int (*display_update) (void **datap, double frac, time_t remaining_time, time_t elapsed, double byte_rate);
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int (*display_close) (void **datap);
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} lutil_meter_display_t;
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typedef struct {
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int (*estimator_open) (void **datap);
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int (*estimator_update) (void **datap, double start, double frac, time_t *remaining_time);
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int (*estimator_close) (void **datap);
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} lutil_meter_estimator_t;
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typedef struct {
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const lutil_meter_display_t *display;
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void * display_data;
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const lutil_meter_estimator_t *estimator;
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void * estimator_data;
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double start_time;
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double last_update;
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unsigned long goal_value;
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unsigned long last_position;
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} lutil_meter_t;
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extern const lutil_meter_display_t lutil_meter_text_display;
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extern const lutil_meter_estimator_t lutil_meter_linear_estimator;
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extern int lutil_meter_open (
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lutil_meter_t *lutil_meter,
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const lutil_meter_display_t *display,
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const lutil_meter_estimator_t *estimator,
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unsigned long goal_value);
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extern int lutil_meter_update (
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lutil_meter_t *lutil_meter,
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unsigned long position,
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int force);
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extern int lutil_meter_close (lutil_meter_t *lutil_meter);
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#endif /* _LUTIL_METER_H */
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