Patch from Denis Vlasenko:

* Rename a var: statbytes -> transferred
* cursize == transferred, always. Nuke cursize.
* Make progressmeter() a nop if !CONFIG_FEATURE_WGET_STATUSBAR
  (reduces #ifdef forest)
* double elapsed -> int elapsed
* Do not sprintf to buf first and then write(STDERR) it,
  just fprintf directly to stderr
* Progress bar printing code made smaller
* Style fixes
This commit is contained in:
Rob Landley 2006-06-13 17:10:26 +00:00
parent 76ef08c5e3
commit 19a3940f15

View File

@ -42,15 +42,19 @@ static char *gethdr(char *buf, size_t bufsiz, FILE *fp, int *istrunc);
static int ftpcmd(char *s1, char *s2, FILE *fp, char *buf);
/* Globals (can be accessed from signal handlers */
static off_t filesize = 0; /* content-length of the file */
static int chunked = 0; /* chunked transfer encoding */
static off_t filesize; /* content-length of the file */
static int chunked; /* chunked transfer encoding */
#ifdef CONFIG_FEATURE_WGET_STATUSBAR
static void progressmeter(int flag);
static char *curfile; /* Name of current file being transferred. */
static char *curfile; /* Name of current file being transferred. */
static struct timeval start; /* Time a transfer started. */
static volatile unsigned long statbytes = 0; /* Number of bytes transferred so far. */
static off_t transferred; /* Number of bytes transferred so far. */
/* For progressmeter() -- number of seconds before xfer considered "stalled" */
static const int STALLTIME = 5;
enum {
STALLTIME = 5
};
#else
static inline void progressmeter(int flag) {}
#endif
static void close_and_delete_outfile(FILE* output, char *fname_out, int do_continue)
@ -321,7 +325,7 @@ int wget_main(int argc, char **argv)
if (use_proxy) {
const char *format = "GET %stp://%s:%d/%s HTTP/1.1\r\n";
#ifdef CONFIG_FEATURE_WGET_IP6_LITERAL
if (strchr (target.host, ':'))
if (strchr(target.host, ':'))
format = "GET %stp://[%s]:%d/%s HTTP/1.1\r\n";
#endif
fprintf(sfp, format,
@ -504,17 +508,17 @@ read_response:
fgets(buf, sizeof(buf), dfp);
filesize = strtol(buf, (char **) NULL, 16);
}
#ifdef CONFIG_FEATURE_WGET_STATUSBAR
if (quiet_flag==FALSE)
progressmeter(-1);
#endif
do {
while ((filesize > 0 || !got_clen) && (n = safe_fread(buf, 1, ((chunked || got_clen) && (filesize < sizeof(buf)) ? filesize : sizeof(buf)), dfp)) > 0) {
if (safe_fwrite(buf, 1, n, output) != n) {
bb_perror_msg_and_die(bb_msg_write_error);
}
#ifdef CONFIG_FEATURE_WGET_STATUSBAR
statbytes+=n;
transferred += n;
#endif
if (got_clen) {
filesize -= n;
@ -534,10 +538,10 @@ read_response:
bb_perror_msg_and_die(bb_msg_read_error);
}
} while (chunked);
#ifdef CONFIG_FEATURE_WGET_STATUSBAR
if (quiet_flag==FALSE)
progressmeter(1);
#endif
if ((use_proxy == 0) && target.is_ftp) {
fclose(dfp);
if (ftpcmd(NULL, NULL, sfp, buf) != 226)
@ -724,13 +728,12 @@ alarmtimer(int wait)
static void
progressmeter(int flag)
{
static const char prefixes[] = " KMGTP";
static struct timeval lastupdate;
static off_t lastsize, totalsize;
struct timeval now, td, wait;
off_t cursize, abbrevsize;
double elapsed;
int ratio, barlength, i, remaining;
off_t abbrevsize;
int elapsed, ratio, barlength, i;
char buf[256];
if (flag == -1) {
@ -741,68 +744,52 @@ progressmeter(int flag)
}
(void) gettimeofday(&now, (struct timezone *) 0);
cursize = statbytes;
ratio = 100;
if (totalsize != 0 && !chunked) {
ratio = 100.0 * cursize / totalsize;
ratio = MAX(ratio, 0);
ratio = (int) (100 * transferred / totalsize);
ratio = MIN(ratio, 100);
} else
ratio = 100;
}
snprintf(buf, sizeof(buf), "\r%-20.20s %3d%% ", curfile, ratio);
fprintf(stderr, "\r%-20.20s%4d%% ", curfile, ratio);
barlength = getttywidth() - 51;
if (barlength > 0) {
if (barlength > 0 && barlength < sizeof(buf)) {
i = barlength * ratio / 100;
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
"|%.*s%*s|", i,
"*****************************************************************************"
"*****************************************************************************",
barlength - i, "");
memset(buf, '*', i);
memset(buf + i, ' ', barlength - i);
buf[barlength] = '\0';
fprintf(stderr, "|%s|", buf);
}
i = 0;
abbrevsize = cursize;
while (abbrevsize >= 100000 && i < sizeof(prefixes)) {
abbrevsize = transferred;
while (abbrevsize >= 100000) {
i++;
abbrevsize >>= 10;
}
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " %5d %c%c ",
(int) abbrevsize, prefixes[i], prefixes[i] == ' ' ? ' ' :
'B');
/* See http://en.wikipedia.org/wiki/Tera */
fprintf(stderr, "%6d %c%c ", (int)abbrevsize, " KMGTPEZY"[i], i?'B':' ');
timersub(&now, &lastupdate, &wait);
if (cursize > lastsize) {
if (transferred > lastsize) {
lastupdate = now;
lastsize = cursize;
if (wait.tv_sec >= STALLTIME) {
start.tv_sec += wait.tv_sec;
start.tv_usec += wait.tv_usec;
}
lastsize = transferred;
if (wait.tv_sec >= STALLTIME)
timeradd(&start, &wait, &start);
wait.tv_sec = 0;
}
timersub(&now, &start, &td);
elapsed = td.tv_sec + (td.tv_usec / 1000000.0);
elapsed = td.tv_sec;
if (wait.tv_sec >= STALLTIME) {
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
" - stalled -");
} else if (statbytes <= 0 || elapsed <= 0.0 || cursize > totalsize || chunked) {
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
" --:-- ETA");
fprintf(stderr, " - stalled -");
} else if (transferred <= 0 || elapsed <= 0 || transferred > totalsize || chunked) {
fprintf(stderr, "--:--:-- ETA");
} else {
remaining = (int) (totalsize / (statbytes / elapsed) - elapsed);
i = remaining / 3600;
if (i)
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
"%2d:", i);
else
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
" ");
i = remaining % 3600;
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
"%02d:%02d ETA", i / 60, i % 60);
/* totalsize / (transferred/elapsed) - elapsed: */
int eta = (int) (totalsize*elapsed/transferred - elapsed);
i = eta % 3600;
fprintf(stderr, "%02d:%02d:%02d ETA", eta / 3600, i / 60, i % 60);
}
write(STDERR_FILENO, buf, strlen(buf));
if (flag == -1) {
struct sigaction sa;
@ -813,7 +800,7 @@ progressmeter(int flag)
alarmtimer(1);
} else if (flag == 1) {
alarmtimer(0);
statbytes = 0;
transferred = 0;
putc('\n', stderr);
}
}