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progress meter: fix bugs found in stall detection and unknown size logic

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2011-02-11 19:09:30 +01:00
parent d55e139649
commit ab8d00d64f
3 changed files with 35 additions and 25 deletions
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5
include/libbb.h
View File

@ -1584,8 +1584,9 @@ int print_flags_separated(const int *masks, const char *labels,
int print_flags(const masks_labels_t *ml, int flags) FAST_FUNC;
typedef struct bb_progress_t {
off_t lastsize;
unsigned lastupdate_sec;
unsigned last_size;
unsigned last_update_sec;
unsigned last_change_sec;
unsigned start_sec;
const char *curfile;
} bb_progress_t;

53
libbb/progress.c
View File

@ -61,8 +61,9 @@ void FAST_FUNC bb_progress_init(bb_progress_t *p, const char *curfile)
p->curfile = curfile;
#endif
p->start_sec = monotonic_sec();
p->lastupdate_sec = p->start_sec;
p->lastsize = 0;
p->last_update_sec = p->start_sec;
p->last_change_sec = p->start_sec;
p->last_size = 0;
}
/* File already had beg_size bytes.
@ -79,12 +80,15 @@ void FAST_FUNC bb_progress_update(bb_progress_t *p,
{
uoff_t beg_and_transferred;
unsigned since_last_update, elapsed;
unsigned ratio;
int barlength;
int kiloscale;
//transferred = 1234; /* use for stall detection testing */
//totalsize = 0; /* use for unknown size download testing */
elapsed = monotonic_sec();
since_last_update = elapsed - p->lastupdate_sec;
since_last_update = elapsed - p->last_update_sec;
p->last_update_sec = elapsed;
if (totalsize != 0 && transferred >= totalsize - beg_size) {
/* Last call. Do not skip this update */
@ -131,23 +135,27 @@ void FAST_FUNC bb_progress_update(bb_progress_t *p,
}
}
if (ENABLE_UNICODE_SUPPORT)
fprintf(stderr, "\r%s", p->curfile);
else
fprintf(stderr, "\r%-20.20s", p->curfile);
beg_and_transferred = beg_size + transferred;
ratio = 100 * beg_and_transferred / totalsize;
if (ENABLE_UNICODE_SUPPORT)
fprintf(stderr, "\r%s%4u%% ", p->curfile, ratio);
else
fprintf(stderr, "\r%-20.20s%4u%% ", p->curfile, ratio);
if (totalsize != 0) {
unsigned ratio = 100 * beg_and_transferred / totalsize;
fprintf(stderr, "%4u%%", ratio);
barlength = get_tty2_width() - 49;
if (barlength > 0) {
/* god bless gcc for variable arrays :) */
char buf[barlength + 1];
unsigned stars = (unsigned)barlength * beg_and_transferred / totalsize;
memset(buf, ' ', barlength);
buf[barlength] = '\0';
memset(buf, '*', stars);
fprintf(stderr, "|%s|", buf);
barlength = get_tty2_width() - 49;
if (barlength > 0) {
/* god bless gcc for variable arrays :) */
char buf[barlength + 1];
unsigned stars = (unsigned)barlength * beg_and_transferred / totalsize;
memset(buf, ' ', barlength);
buf[barlength] = '\0';
memset(buf, '*', stars);
fprintf(stderr, " |%s|", buf);
}
}
while (beg_and_transferred >= 100000) {
@ -158,9 +166,10 @@ void FAST_FUNC bb_progress_update(bb_progress_t *p,
fprintf(stderr, "%6u%c", (unsigned)beg_and_transferred, " kMGTPEZY"[kiloscale]);
#define beg_and_transferred dont_use_beg_and_transferred_below()
if (transferred != p->lastsize) {
p->lastupdate_sec = elapsed;
p->lastsize = transferred;
since_last_update = elapsed - p->last_change_sec;
if ((unsigned)transferred != p->last_size) {
p->last_change_sec = elapsed;
p->last_size = (unsigned)transferred;
if (since_last_update >= STALLTIME) {
/* We "cut out" these seconds from elapsed time
* by adjusting start time */
@ -173,7 +182,7 @@ void FAST_FUNC bb_progress_update(bb_progress_t *p,
if (since_last_update >= STALLTIME) {
fprintf(stderr, " - stalled -");
} else if (!totalsize || !transferred || (int)elapsed <= 0) {
} else if (!totalsize || !transferred || (int)elapsed < 0) {
fprintf(stderr, " --:--:-- ETA");
} else {
unsigned eta, secs, hours;

2
networking/tftp.c
View File

@ -119,7 +119,7 @@ static void tftp_progress_done(void)
if (is_bb_progress_inited(&G.pmt)) {
tftp_progress_update();
bb_putchar_stderr('\n');
bb_progress_free(p);
bb_progress_free(&G.pmt);
}
}
#else