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