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Viewing changes to roms/skiboot/external/pflash/progress.c

  • Committer: Phil Dennis-Jordan
  • Date: 2017-07-21 08:03:43 UTC
  • mfrom: (1.1.1)
  • Revision ID: phil@philjordan.eu-20170721080343-2yr2vdj7713czahv
New upstream release 2.9.0.

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roms/skiboot/external/pflash/progress.c
 
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#include <stdio.h>
 
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#include <stdlib.h>
 
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#include <string.h>
 
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#include <limits.h>
 
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#include <time.h>
 
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static unsigned long progress_max;
 
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static unsigned int progress_pcent;
 
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static unsigned long progress_n_upd;
 
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static unsigned int progress_prevsec;
 
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static struct timespec progress_start;
 
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#define PROGRESS_CHARS  50
 
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void progress_init(unsigned long count)
 
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{
 
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        unsigned int i;
 
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        progress_max = count;
 
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        progress_pcent = 0;
 
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        progress_n_upd = ULONG_MAX;
 
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        progress_prevsec = UINT_MAX;
 
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        printf("\r[");
 
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        for (i = 0; i < PROGRESS_CHARS; i++)
 
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                printf(" ");
 
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        printf("] 0%%");
 
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        fflush(stdout);
 
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        clock_gettime(CLOCK_MONOTONIC, &progress_start);}
 
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void progress_tick(unsigned long cur)
 
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{
 
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        unsigned int pcent, i, pos, sec;
 
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        struct timespec now;
 
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        pcent = (cur * 100) / progress_max;
 
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        if (progress_pcent == pcent && cur < progress_n_upd &&
 
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            cur < progress_max)
 
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                return;
 
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        progress_pcent = pcent;
 
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        pos = (pcent * PROGRESS_CHARS) / 101;
 
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        clock_gettime(CLOCK_MONOTONIC, &now);
 
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        printf("\r[");
 
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        for (i = 0; i <= pos; i++)
 
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                printf("=");
 
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        for (; i < PROGRESS_CHARS; i++)
 
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                printf(" ");
 
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        printf("] %d%%", pcent);
 
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        sec = now.tv_sec - progress_start.tv_sec;
 
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        if (sec >= 5 && pcent > 0) {
 
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                unsigned int persec = cur / sec;
 
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                unsigned int rem_sec;
 
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                if (!persec)
 
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                        persec = 1;
 
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                progress_n_upd = cur + persec;
 
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                rem_sec = ((sec * 100) + (pcent / 2)) / pcent - sec;
 
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                if (rem_sec > progress_prevsec)
 
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                        rem_sec = progress_prevsec;
 
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                progress_prevsec = rem_sec;
 
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                if (rem_sec < 60)
 
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                        printf(" ETA:%ds     ", rem_sec);
 
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                else {
 
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                        printf(" ETA:%d:%02d:%02d ",
 
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                                rem_sec / 3600,
 
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                                (rem_sec / 60) % 60,
 
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                                rem_sec % 60);
 
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                }
 
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        }
 
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        fflush(stdout);
 
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}
 
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void progress_end(void)
 
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{
 
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        printf("\n");
 
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}