?? progress.h
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/* * progress.h * $Id: progress.h,v 1.7 2004/12/04 10:20:52 b081 Exp $ * * Copyright 2004 Bobi B., w1zard0f07@yahoo.com * * This file is part of hdl_dump. * * hdl_dump is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * hdl_dump 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with hdl_dump; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */#if !defined (_PROGRESS_H)#define _PROGRESS_H#include "config.h"#include <time.h>/* * the shorter that is, the faster it will respond to the changes, * however it will be more inacurate */#define PG_HIST_SIZE 128/* high-resolution timers support */#if defined (_BUILD_WIN32)typedef clock_t highres_time_t;# define HIGHRES_TO_SEC CLOCKS_PER_SEC#endif#if defined (_BUILD_UNIX)# include "sys/time.h"typedef struct timeval highres_time_t;# define HIGHRES_TO_SEC 1000000 /* microseconds */#endiftypedef struct progress_type progress_t;/* returns 0 to continue, other to interrupt */typedef int (*progress_cb_t) (progress_t *);
struct hist_t
{
u_int32_t how_much;
u_int64_t when; /* highres_time_val */
};/* TODO: check overflow with big files */struct progress_type{ /* "private" */ u_int64_t start_, elapsed_; /* highres_time_val */ u_int64_t offset_; /* of the current block, absolute */ progress_cb_t progress_cb_; int last_elapsed_; /* last time when the estimated has been calculated */ /* history/histogram to track current speed */ hist_t history_ [PG_HIST_SIZE]; u_int32_t hist_pos_; u_int64_t hist_sum_; /* = select sum (how_much) from history_ */ /* last major values when callback has been called */ int call_pc_completed_, call_elapsed_, call_estimated_, call_remaining_; /* "public" */ u_int64_t total, curr; /* in bytes */ long avg_bps, curr_bps; /* avg and curr bps (since the begining) */ int pc_completed; /* in % */ int elapsed, estimated, remaining; /* in seconds or -1 */ char elapsed_text [20], estimated_text [20], remaining_text [20];};progress_t* pgs_alloc (progress_cb_t progress_cb);void pgs_free (progress_t *pgs);void pgs_prepare (progress_t *pgs, u_int64_t total);void pgs_chunk_complete (progress_t *pgs);int pgs_update (progress_t *pgs, u_int64_t curr);#endif /* _PROGRESS_H defined? */
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