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Rework the stats code to avoid code duplication.

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Fix a bug where the stats code would print the expected size instead of the
number of bytes received.
Fix the reading code so it'll support partial reads.
This commit is contained in:
Dag-Erling Smørgrav 2000-07-12 08:29:52 +00:00
parent 7932349eff
commit aa4b3574a8
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=63005
1 changed files with 16 additions and 13 deletions
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29
usr.bin/fetch/fetch.c
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@ -98,19 +98,20 @@ struct xferstat {
off_t rcvd;
};
void stat_start(struct xferstat *, char *, off_t, off_t);
void stat_update(struct xferstat *, off_t);
void stat_end(struct xferstat *);
void
stat_start(struct xferstat *xs, char *name, off_t size, off_t offset)
{
snprintf(xs->name, sizeof xs->name, "%s", name);
gettimeofday(&xs->start, NULL);
xs->last.tv_sec = xs->last.tv_usec = 0;
xs->end = xs->last;
xs->size = size;
xs->offset = offset;
if (v_level) {
fprintf(stderr, "Receiving %s", xs->name);
if (xs->size != -1)
fprintf(stderr, " (%lld bytes)", xs->size - xs->offset);
}
gettimeofday(&xs->start, NULL);
xs->last = xs->start;
stat_update(xs, 0);
}
void
@ -130,10 +131,10 @@ stat_update(struct xferstat *xs, off_t rcvd)
fprintf(stderr, "\rReceiving %s", xs->name);
if (xs->size == -1)
fprintf(stderr, ": %lld bytes", xs->rcvd - xs->offset);
fprintf(stderr, ": %lld bytes", xs->size);
else
fprintf(stderr, " (%lld bytes): %d%%", xs->size - xs->offset,
(int)((100.0 * xs->rcvd) / (xs->size - xs->offset)));
fprintf(stderr, " (%lld bytes): %d%%", xs->size,
(int)((100.0 * (xs->rcvd + xs->offset)) / xs->size));
}
void
@ -151,8 +152,8 @@ stat_end(struct xferstat *xs)
delta = (xs->end.tv_sec + (xs->end.tv_usec / 1.e6))
- (xs->start.tv_sec + (xs->start.tv_usec / 1.e6));
fprintf(stderr, "%lld bytes transferred in %.1f seconds ",
xs->size - xs->offset, delta);
bps = (xs->size - xs->offset) / delta;
xs->rcvd - xs->offset, delta);
bps = (xs->rcvd - xs->offset) / delta;
if (bps > 1024*1024)
fprintf(stderr, "(%.2f MBps)\n", bps / (1024*1024));
else if (bps > 1024)
@ -343,9 +344,11 @@ fetch(char *URL, char *path)
size = us.size - count;
if (timeout)
alarm(timeout);
if (fread(buf, size, 1, f) != 1 || fwrite(buf, size, 1, of) != 1)
if ((size = fread(buf, 1, size, f)) <= 0)
break;
stat_update(&xs, count += size);
if (fwrite(buf, size, 1, of) != 1)
break;
}
}