2000-09-04 15:15:55 +00:00
|
|
|
/* vi: set sw=4 ts=4: */
|
|
|
|
/*
|
|
|
|
* wget - retrieve a file using HTTP
|
|
|
|
*
|
2000-11-14 23:29:24 +00:00
|
|
|
* Chip Rosenthal Covad Communications <chip@laserlink.net>
|
2000-10-03 00:21:45 +00:00
|
|
|
*
|
2000-11-14 23:29:24 +00:00
|
|
|
* Note: According to RFC2616 section 3.6.1, "All HTTP/1.1 applications MUST be
|
|
|
|
* able to receive and decode the "chunked" transfer-coding, and MUST ignore
|
|
|
|
* chunk-extension extensions they do not understand."
|
2000-10-03 00:21:45 +00:00
|
|
|
*
|
2000-11-14 23:29:24 +00:00
|
|
|
* This prevents this particular wget app from completely RFC compliant, and as
|
|
|
|
* such, prevents it from being used as a general purpose web browser... This
|
|
|
|
* is a design decision, since it makes the code smaller.
|
2000-10-03 00:21:45 +00:00
|
|
|
*
|
2000-09-04 15:15:55 +00:00
|
|
|
*/
|
|
|
|
|
|
|
|
#include <stdio.h>
|
2001-01-26 02:04:49 +00:00
|
|
|
#include <errno.h>
|
2000-09-04 15:15:55 +00:00
|
|
|
#include <stdlib.h>
|
|
|
|
#include <unistd.h>
|
|
|
|
#include <ctype.h>
|
|
|
|
#include <string.h>
|
2000-10-03 00:21:45 +00:00
|
|
|
#include <unistd.h>
|
|
|
|
#include <signal.h>
|
|
|
|
#include <sys/ioctl.h>
|
2000-09-04 15:15:55 +00:00
|
|
|
|
2000-10-03 00:21:45 +00:00
|
|
|
#include <sys/time.h>
|
2000-09-04 15:15:55 +00:00
|
|
|
#include <sys/types.h>
|
|
|
|
#include <sys/stat.h>
|
|
|
|
#include <sys/socket.h>
|
|
|
|
#include <netinet/in.h>
|
|
|
|
#include <arpa/inet.h>
|
|
|
|
#include <netdb.h>
|
|
|
|
|
2001-02-20 06:14:08 +00:00
|
|
|
#include "busybox.h"
|
|
|
|
|
2001-01-27 08:24:39 +00:00
|
|
|
/* Stupid libc5 doesn't define this... */
|
|
|
|
#ifndef timersub
|
|
|
|
#define timersub(a, b, result) \
|
|
|
|
do { \
|
|
|
|
(result)->tv_sec = (a)->tv_sec - (b)->tv_sec; \
|
|
|
|
(result)->tv_usec = (a)->tv_usec - (b)->tv_usec; \
|
|
|
|
if ((result)->tv_usec < 0) { \
|
|
|
|
--(result)->tv_sec; \
|
|
|
|
(result)->tv_usec += 1000000; \
|
|
|
|
} \
|
|
|
|
} while (0)
|
|
|
|
#endif
|
2000-09-04 15:15:55 +00:00
|
|
|
|
2001-03-09 21:24:12 +00:00
|
|
|
static void parse_url(char *url, char **uri_host, int *uri_port, char **uri_path);
|
|
|
|
static FILE *open_socket(char *host, int port);
|
|
|
|
static char *gethdr(char *buf, size_t bufsiz, FILE *fp, int *istrunc);
|
|
|
|
static void progressmeter(int flag);
|
2000-10-03 00:21:45 +00:00
|
|
|
|
|
|
|
/* Globals (can be accessed from signal handlers */
|
|
|
|
static off_t filesize = 0; /* content-length of the file */
|
2001-01-20 20:07:00 +00:00
|
|
|
#ifdef BB_FEATURE_WGET_STATUSBAR
|
2000-10-03 00:21:45 +00:00
|
|
|
static char *curfile; /* Name of current file being transferred. */
|
|
|
|
static struct timeval start; /* Time a transfer started. */
|
2001-03-09 21:24:12 +00:00
|
|
|
static volatile unsigned long statbytes; /* Number of bytes transferred so far. */
|
2000-10-03 00:21:45 +00:00
|
|
|
/* For progressmeter() -- number of seconds before xfer considered "stalled" */
|
2001-01-23 22:30:04 +00:00
|
|
|
static const int STALLTIME = 5;
|
2000-10-03 00:21:45 +00:00
|
|
|
#endif
|
2001-01-24 20:28:35 +00:00
|
|
|
|
2001-03-09 21:24:12 +00:00
|
|
|
static void close_and_delete_outfile(FILE* output, char *fname_out, int do_continue)
|
2001-01-24 20:28:35 +00:00
|
|
|
{
|
|
|
|
if (output != stdout && do_continue==0) {
|
|
|
|
fclose(output);
|
|
|
|
unlink(fname_out);
|
|
|
|
}
|
|
|
|
}
|
2000-09-04 15:15:55 +00:00
|
|
|
|
|
|
|
int wget_main(int argc, char **argv)
|
|
|
|
{
|
|
|
|
int n;
|
2000-12-09 16:55:35 +00:00
|
|
|
char *proxy, *proxy_host;
|
|
|
|
int uri_port, proxy_port;
|
|
|
|
char *s, buf[512];
|
|
|
|
struct stat sbuf;
|
2000-09-04 15:15:55 +00:00
|
|
|
|
2000-12-09 16:55:35 +00:00
|
|
|
FILE *sfp; /* socket to web server */
|
|
|
|
char *uri_host, *uri_path; /* parsed from command line url */
|
2000-09-04 15:15:55 +00:00
|
|
|
char *fname_out = NULL; /* where to direct output (-O) */
|
|
|
|
int do_continue = 0; /* continue a prev transfer (-c) */
|
|
|
|
long beg_range = 0L; /* range at which continue begins */
|
|
|
|
int got_clen = 0; /* got content-length: from server */
|
2000-12-09 16:55:35 +00:00
|
|
|
FILE *output; /* socket to web server */
|
|
|
|
int quiet_flag = FALSE; /* Be verry, verry quiet... */
|
|
|
|
|
2000-09-04 15:15:55 +00:00
|
|
|
/*
|
|
|
|
* Crack command line.
|
|
|
|
*/
|
2000-12-09 08:12:06 +00:00
|
|
|
while ((n = getopt(argc, argv, "cqO:")) != EOF) {
|
2000-09-04 15:15:55 +00:00
|
|
|
switch (n) {
|
|
|
|
case 'c':
|
|
|
|
++do_continue;
|
|
|
|
break;
|
2000-12-09 08:12:06 +00:00
|
|
|
case 'q':
|
|
|
|
quiet_flag = TRUE;
|
|
|
|
break;
|
2000-09-04 15:15:55 +00:00
|
|
|
case 'O':
|
2000-12-07 03:53:47 +00:00
|
|
|
/* can't set fname_out to NULL if outputting to stdout, because
|
|
|
|
* this gets interpreted as the auto-gen output filename
|
|
|
|
* case below - tausq@debian.org
|
|
|
|
*/
|
|
|
|
fname_out = (strcmp(optarg, "-") == 0 ? (char *)1 : optarg);
|
2000-09-04 15:15:55 +00:00
|
|
|
break;
|
|
|
|
default:
|
2001-02-14 21:23:06 +00:00
|
|
|
show_usage();
|
2000-09-04 15:15:55 +00:00
|
|
|
}
|
|
|
|
}
|
2000-10-02 23:19:38 +00:00
|
|
|
|
2000-09-04 15:15:55 +00:00
|
|
|
if (argc - optind != 1)
|
2001-02-14 21:23:06 +00:00
|
|
|
show_usage();
|
2000-10-02 23:19:38 +00:00
|
|
|
|
2000-09-04 15:15:55 +00:00
|
|
|
/*
|
2000-12-07 22:42:11 +00:00
|
|
|
* Use the proxy if necessary.
|
2000-09-04 15:15:55 +00:00
|
|
|
*/
|
2000-12-07 22:42:11 +00:00
|
|
|
if ((proxy = getenv("http_proxy")) != NULL) {
|
|
|
|
proxy = xstrdup(proxy);
|
2000-12-09 16:55:35 +00:00
|
|
|
parse_url(proxy, &proxy_host, &proxy_port, &uri_path);
|
|
|
|
parse_url(argv[optind], &uri_host, &uri_port, &uri_path);
|
2000-12-07 22:42:11 +00:00
|
|
|
} else {
|
|
|
|
/*
|
|
|
|
* Parse url into components.
|
|
|
|
*/
|
|
|
|
parse_url(argv[optind], &uri_host, &uri_port, &uri_path);
|
2000-12-09 16:55:35 +00:00
|
|
|
proxy_host=uri_host;
|
|
|
|
proxy_port=uri_port;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Guess an output filename */
|
|
|
|
if (!fname_out) {
|
|
|
|
fname_out =
|
2001-01-20 20:07:00 +00:00
|
|
|
#ifdef BB_FEATURE_WGET_STATUSBAR
|
2000-12-09 16:55:35 +00:00
|
|
|
curfile =
|
|
|
|
#endif
|
|
|
|
get_last_path_component(uri_path);
|
|
|
|
if (fname_out==NULL || strlen(fname_out)<1) {
|
|
|
|
fname_out =
|
2001-01-20 20:07:00 +00:00
|
|
|
#ifdef BB_FEATURE_WGET_STATUSBAR
|
2000-12-09 16:55:35 +00:00
|
|
|
curfile =
|
|
|
|
#endif
|
|
|
|
"index.html";
|
|
|
|
}
|
2001-01-20 20:07:00 +00:00
|
|
|
#ifdef BB_FEATURE_WGET_STATUSBAR
|
2000-12-09 16:55:35 +00:00
|
|
|
} else {
|
|
|
|
curfile=argv[optind];
|
|
|
|
#endif
|
2000-12-07 22:42:11 +00:00
|
|
|
}
|
2001-01-24 20:28:35 +00:00
|
|
|
if (do_continue && !fname_out)
|
2001-01-31 19:00:21 +00:00
|
|
|
error_msg_and_die("cannot specify continue (-c) without a filename (-O)");
|
2000-09-04 15:15:55 +00:00
|
|
|
|
2000-12-09 16:55:35 +00:00
|
|
|
|
2000-09-04 15:15:55 +00:00
|
|
|
/*
|
|
|
|
* Open socket to server.
|
|
|
|
*/
|
2000-12-09 16:55:35 +00:00
|
|
|
sfp = open_socket(proxy_host, proxy_port);
|
|
|
|
|
|
|
|
/* Make the assumption that if the file already exists
|
|
|
|
* on disk that the intention is to continue downloading
|
|
|
|
* a previously aborted download -Erik */
|
|
|
|
if (stat(fname_out, &sbuf) == 0) {
|
|
|
|
++do_continue;
|
|
|
|
}
|
2000-09-04 15:15:55 +00:00
|
|
|
|
|
|
|
/*
|
2000-12-09 16:55:35 +00:00
|
|
|
* Open the output file stream.
|
2000-09-04 15:15:55 +00:00
|
|
|
*/
|
2000-12-07 03:53:47 +00:00
|
|
|
if (fname_out != (char *)1) {
|
2001-01-31 17:49:47 +00:00
|
|
|
output = xfopen( fname_out, (do_continue ? "a" : "w") );
|
2000-12-07 03:53:47 +00:00
|
|
|
} else {
|
|
|
|
output = stdout;
|
2000-09-04 15:15:55 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Determine where to start transfer.
|
|
|
|
*/
|
|
|
|
if (do_continue) {
|
2000-10-03 00:21:45 +00:00
|
|
|
if (fstat(fileno(output), &sbuf) < 0)
|
2000-12-18 03:08:29 +00:00
|
|
|
perror_msg_and_die("fstat()");
|
2000-09-04 15:15:55 +00:00
|
|
|
if (sbuf.st_size > 0)
|
|
|
|
beg_range = sbuf.st_size;
|
|
|
|
else
|
|
|
|
do_continue = 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Send HTTP request.
|
|
|
|
*/
|
2000-12-09 16:55:35 +00:00
|
|
|
fprintf(sfp, "GET http://%s:%d/%s HTTP/1.1\r\n",
|
|
|
|
uri_host, uri_port, uri_path);
|
|
|
|
fprintf(sfp, "Host: %s\r\nUser-Agent: Wget\r\n", uri_host);
|
2001-01-24 20:28:35 +00:00
|
|
|
|
2000-09-04 15:15:55 +00:00
|
|
|
if (do_continue)
|
|
|
|
fprintf(sfp, "Range: bytes=%ld-\r\n", beg_range);
|
2000-12-09 16:55:35 +00:00
|
|
|
fprintf(sfp,"Connection: close\r\n\r\n");
|
2000-09-04 15:15:55 +00:00
|
|
|
|
|
|
|
/*
|
|
|
|
* Retrieve HTTP response line and check for "200" status code.
|
|
|
|
*/
|
2000-12-09 16:55:35 +00:00
|
|
|
if (fgets(buf, sizeof(buf), sfp) == NULL) {
|
2001-01-24 20:28:35 +00:00
|
|
|
close_and_delete_outfile(output, fname_out, do_continue);
|
2001-01-31 19:00:21 +00:00
|
|
|
error_msg_and_die("no response from server");
|
2000-12-09 16:55:35 +00:00
|
|
|
}
|
2000-09-04 15:15:55 +00:00
|
|
|
for (s = buf ; *s != '\0' && !isspace(*s) ; ++s)
|
|
|
|
;
|
|
|
|
for ( ; isspace(*s) ; ++s)
|
|
|
|
;
|
|
|
|
switch (atoi(s)) {
|
2001-01-24 20:28:35 +00:00
|
|
|
case 0:
|
2000-10-03 00:21:45 +00:00
|
|
|
case 200:
|
2001-01-24 20:28:35 +00:00
|
|
|
break;
|
2000-10-03 00:21:45 +00:00
|
|
|
case 206:
|
|
|
|
if (do_continue)
|
|
|
|
break;
|
|
|
|
/*FALLTHRU*/
|
|
|
|
default:
|
2001-01-24 20:28:35 +00:00
|
|
|
close_and_delete_outfile(output, fname_out, do_continue);
|
2001-02-01 16:49:30 +00:00
|
|
|
chomp(buf);
|
2001-01-24 20:28:35 +00:00
|
|
|
error_msg_and_die("server returned error %d: %s", atoi(s), buf);
|
2000-09-04 15:15:55 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Retrieve HTTP headers.
|
|
|
|
*/
|
|
|
|
while ((s = gethdr(buf, sizeof(buf), sfp, &n)) != NULL) {
|
2001-01-24 20:28:35 +00:00
|
|
|
if (strcasecmp(buf, "content-length") == 0) {
|
2000-10-03 00:21:45 +00:00
|
|
|
filesize = atol(s);
|
2000-09-04 15:15:55 +00:00
|
|
|
got_clen = 1;
|
|
|
|
continue;
|
|
|
|
}
|
2001-01-24 20:28:35 +00:00
|
|
|
if (strcasecmp(buf, "transfer-encoding") == 0) {
|
|
|
|
close_and_delete_outfile(output, fname_out, do_continue);
|
2001-01-31 19:00:21 +00:00
|
|
|
error_msg_and_die("server wants to do %s transfer encoding", s);
|
2000-09-04 15:15:55 +00:00
|
|
|
continue;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Retrieve HTTP body.
|
|
|
|
*/
|
2001-01-20 20:07:00 +00:00
|
|
|
#ifdef BB_FEATURE_WGET_STATUSBAR
|
2000-10-03 00:21:45 +00:00
|
|
|
statbytes=0;
|
2000-12-09 08:12:06 +00:00
|
|
|
if (quiet_flag==FALSE)
|
|
|
|
progressmeter(-1);
|
2000-10-03 00:21:45 +00:00
|
|
|
#endif
|
|
|
|
while (filesize > 0 && (n = fread(buf, 1, sizeof(buf), sfp)) > 0) {
|
|
|
|
fwrite(buf, 1, n, output);
|
2001-01-20 20:07:00 +00:00
|
|
|
#ifdef BB_FEATURE_WGET_STATUSBAR
|
2000-10-03 00:21:45 +00:00
|
|
|
statbytes+=n;
|
2000-12-09 08:12:06 +00:00
|
|
|
if (quiet_flag==FALSE)
|
|
|
|
progressmeter(1);
|
2000-10-03 00:21:45 +00:00
|
|
|
#endif
|
2000-09-04 15:15:55 +00:00
|
|
|
if (got_clen)
|
2000-10-03 00:21:45 +00:00
|
|
|
filesize -= n;
|
2000-09-04 15:15:55 +00:00
|
|
|
}
|
|
|
|
if (n == 0 && ferror(sfp))
|
2000-12-07 19:56:48 +00:00
|
|
|
perror_msg_and_die("network read error");
|
2000-09-04 15:15:55 +00:00
|
|
|
|
|
|
|
exit(0);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void parse_url(char *url, char **uri_host, int *uri_port, char **uri_path)
|
|
|
|
{
|
2001-01-03 16:15:15 +00:00
|
|
|
char *cp, *sp;
|
2000-09-04 15:15:55 +00:00
|
|
|
|
|
|
|
*uri_port = 80;
|
|
|
|
|
|
|
|
if (strncmp(url, "http://", 7) != 0)
|
2001-01-31 19:00:21 +00:00
|
|
|
error_msg_and_die("not an http url: %s", url);
|
2000-09-04 15:15:55 +00:00
|
|
|
|
2001-01-03 16:15:15 +00:00
|
|
|
*uri_host = url + 7;
|
2000-12-07 03:53:47 +00:00
|
|
|
|
2001-01-03 16:15:15 +00:00
|
|
|
cp = strchr(*uri_host, ':');
|
|
|
|
sp = strchr(*uri_host, '/');
|
2000-12-07 03:53:47 +00:00
|
|
|
|
2001-01-03 16:15:15 +00:00
|
|
|
if (cp != NULL && (sp == NULL || cp < sp)) {
|
|
|
|
*cp++ = '\0';
|
|
|
|
*uri_port = atoi(cp);
|
|
|
|
}
|
2000-12-09 16:55:35 +00:00
|
|
|
|
2001-01-03 16:15:15 +00:00
|
|
|
if (sp != NULL) {
|
|
|
|
*sp++ = '\0';
|
|
|
|
*uri_path = sp;
|
|
|
|
} else
|
|
|
|
*uri_path = "";
|
2000-09-04 15:15:55 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
FILE *open_socket(char *host, int port)
|
|
|
|
{
|
|
|
|
struct sockaddr_in sin;
|
|
|
|
struct hostent *hp;
|
|
|
|
int fd;
|
|
|
|
FILE *fp;
|
|
|
|
|
2001-01-27 08:24:39 +00:00
|
|
|
memset(&sin, 0, sizeof(sin));
|
2000-09-04 15:15:55 +00:00
|
|
|
sin.sin_family = AF_INET;
|
|
|
|
if ((hp = (struct hostent *) gethostbyname(host)) == NULL)
|
2001-01-31 19:00:21 +00:00
|
|
|
error_msg_and_die("cannot resolve %s", host);
|
2000-09-04 15:15:55 +00:00
|
|
|
memcpy(&sin.sin_addr, hp->h_addr_list[0], hp->h_length);
|
|
|
|
sin.sin_port = htons(port);
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Get the server onto a stdio stream.
|
|
|
|
*/
|
|
|
|
if ((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0)
|
2000-12-07 19:56:48 +00:00
|
|
|
perror_msg_and_die("socket()");
|
2000-09-04 15:15:55 +00:00
|
|
|
if (connect(fd, (struct sockaddr *) &sin, sizeof(sin)) < 0)
|
2000-12-07 19:56:48 +00:00
|
|
|
perror_msg_and_die("connect(%s)", host);
|
2000-09-04 15:15:55 +00:00
|
|
|
if ((fp = fdopen(fd, "r+")) == NULL)
|
2000-12-07 19:56:48 +00:00
|
|
|
perror_msg_and_die("fdopen()");
|
2000-09-04 15:15:55 +00:00
|
|
|
|
|
|
|
return fp;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
char *gethdr(char *buf, size_t bufsiz, FILE *fp, int *istrunc)
|
|
|
|
{
|
|
|
|
char *s, *hdrval;
|
|
|
|
int c;
|
|
|
|
|
|
|
|
*istrunc = 0;
|
|
|
|
|
|
|
|
/* retrieve header line */
|
|
|
|
if (fgets(buf, bufsiz, fp) == NULL)
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
/* see if we are at the end of the headers */
|
|
|
|
for (s = buf ; *s == '\r' ; ++s)
|
|
|
|
;
|
|
|
|
if (s[0] == '\n')
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
/* convert the header name to lower case */
|
|
|
|
for (s = buf ; isalnum(*s) || *s == '-' ; ++s)
|
|
|
|
*s = tolower(*s);
|
|
|
|
|
|
|
|
/* verify we are at the end of the header name */
|
|
|
|
if (*s != ':')
|
2001-01-31 19:00:21 +00:00
|
|
|
error_msg_and_die("bad header line: %s", buf);
|
2000-09-04 15:15:55 +00:00
|
|
|
|
|
|
|
/* locate the start of the header value */
|
|
|
|
for (*s++ = '\0' ; *s == ' ' || *s == '\t' ; ++s)
|
|
|
|
;
|
|
|
|
hdrval = s;
|
|
|
|
|
|
|
|
/* locate the end of header */
|
|
|
|
while (*s != '\0' && *s != '\r' && *s != '\n')
|
|
|
|
++s;
|
|
|
|
|
|
|
|
/* end of header found */
|
|
|
|
if (*s != '\0') {
|
|
|
|
*s = '\0';
|
|
|
|
return hdrval;
|
|
|
|
}
|
|
|
|
|
2000-09-14 21:46:30 +00:00
|
|
|
/* Rats! The buffer isn't big enough to hold the entire header value. */
|
2000-09-04 15:15:55 +00:00
|
|
|
while (c = getc(fp), c != EOF && c != '\n')
|
|
|
|
;
|
|
|
|
*istrunc = 1;
|
|
|
|
return hdrval;
|
|
|
|
}
|
|
|
|
|
2001-01-20 20:07:00 +00:00
|
|
|
#ifdef BB_FEATURE_WGET_STATUSBAR
|
2000-11-14 23:29:24 +00:00
|
|
|
/* Stuff below is from BSD rcp util.c, as added to openshh.
|
|
|
|
* Original copyright notice is retained at the end of this file.
|
|
|
|
*
|
|
|
|
*/
|
2000-10-03 00:21:45 +00:00
|
|
|
|
|
|
|
|
2001-03-09 21:24:12 +00:00
|
|
|
static int
|
2000-10-03 00:21:45 +00:00
|
|
|
getttywidth(void)
|
|
|
|
{
|
|
|
|
struct winsize winsize;
|
|
|
|
|
|
|
|
if (ioctl(fileno(stdout), TIOCGWINSZ, &winsize) != -1)
|
|
|
|
return (winsize.ws_col ? winsize.ws_col : 80);
|
|
|
|
else
|
|
|
|
return (80);
|
|
|
|
}
|
|
|
|
|
2001-03-09 21:24:12 +00:00
|
|
|
static void
|
2000-10-03 00:21:45 +00:00
|
|
|
updateprogressmeter(int ignore)
|
|
|
|
{
|
|
|
|
int save_errno = errno;
|
|
|
|
|
|
|
|
progressmeter(0);
|
|
|
|
errno = save_errno;
|
|
|
|
}
|
|
|
|
|
2001-03-09 21:24:12 +00:00
|
|
|
static void
|
2000-10-03 00:21:45 +00:00
|
|
|
alarmtimer(int wait)
|
|
|
|
{
|
|
|
|
struct itimerval itv;
|
|
|
|
|
|
|
|
itv.it_value.tv_sec = wait;
|
|
|
|
itv.it_value.tv_usec = 0;
|
|
|
|
itv.it_interval = itv.it_value;
|
|
|
|
setitimer(ITIMER_REAL, &itv, NULL);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2001-03-09 21:24:12 +00:00
|
|
|
static void
|
2000-10-03 00:21:45 +00:00
|
|
|
progressmeter(int flag)
|
|
|
|
{
|
|
|
|
static const char prefixes[] = " KMGTP";
|
|
|
|
static struct timeval lastupdate;
|
|
|
|
static off_t lastsize;
|
|
|
|
struct timeval now, td, wait;
|
|
|
|
off_t cursize, abbrevsize;
|
|
|
|
double elapsed;
|
|
|
|
int ratio, barlength, i, remaining;
|
|
|
|
char buf[256];
|
|
|
|
|
|
|
|
if (flag == -1) {
|
|
|
|
(void) gettimeofday(&start, (struct timezone *) 0);
|
|
|
|
lastupdate = start;
|
|
|
|
lastsize = 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
(void) gettimeofday(&now, (struct timezone *) 0);
|
|
|
|
cursize = statbytes;
|
|
|
|
if (filesize != 0) {
|
|
|
|
ratio = 100.0 * cursize / filesize;
|
|
|
|
ratio = MAX(ratio, 0);
|
|
|
|
ratio = MIN(ratio, 100);
|
|
|
|
} else
|
|
|
|
ratio = 100;
|
|
|
|
|
|
|
|
snprintf(buf, sizeof(buf), "\r%-20.20s %3d%% ", curfile, ratio);
|
|
|
|
|
|
|
|
barlength = getttywidth() - 51;
|
|
|
|
if (barlength > 0) {
|
|
|
|
i = barlength * ratio / 100;
|
|
|
|
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
|
|
|
|
"|%.*s%*s|", i,
|
|
|
|
"*****************************************************************************"
|
|
|
|
"*****************************************************************************",
|
|
|
|
barlength - i, "");
|
|
|
|
}
|
|
|
|
i = 0;
|
|
|
|
abbrevsize = cursize;
|
|
|
|
while (abbrevsize >= 100000 && i < sizeof(prefixes)) {
|
|
|
|
i++;
|
|
|
|
abbrevsize >>= 10;
|
|
|
|
}
|
|
|
|
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " %5d %c%c ",
|
|
|
|
(int) abbrevsize, prefixes[i], prefixes[i] == ' ' ? ' ' :
|
|
|
|
'B');
|
|
|
|
|
|
|
|
timersub(&now, &lastupdate, &wait);
|
|
|
|
if (cursize > lastsize) {
|
|
|
|
lastupdate = now;
|
|
|
|
lastsize = cursize;
|
|
|
|
if (wait.tv_sec >= STALLTIME) {
|
|
|
|
start.tv_sec += wait.tv_sec;
|
|
|
|
start.tv_usec += wait.tv_usec;
|
|
|
|
}
|
|
|
|
wait.tv_sec = 0;
|
|
|
|
}
|
|
|
|
timersub(&now, &start, &td);
|
|
|
|
elapsed = td.tv_sec + (td.tv_usec / 1000000.0);
|
|
|
|
|
|
|
|
if (statbytes <= 0 || elapsed <= 0.0 || cursize > filesize) {
|
|
|
|
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
|
|
|
|
" --:-- ETA");
|
|
|
|
} else if (wait.tv_sec >= STALLTIME) {
|
|
|
|
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
|
|
|
|
" - stalled -");
|
|
|
|
} else {
|
|
|
|
remaining = (int) (filesize / (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);
|
|
|
|
}
|
2000-12-07 03:55:35 +00:00
|
|
|
write(fileno(stderr), buf, strlen(buf));
|
2000-10-03 00:21:45 +00:00
|
|
|
|
|
|
|
if (flag == -1) {
|
|
|
|
struct sigaction sa;
|
|
|
|
sa.sa_handler = updateprogressmeter;
|
|
|
|
sigemptyset(&sa.sa_mask);
|
|
|
|
sa.sa_flags = SA_RESTART;
|
|
|
|
sigaction(SIGALRM, &sa, NULL);
|
|
|
|
alarmtimer(1);
|
|
|
|
} else if (flag == 1) {
|
|
|
|
alarmtimer(0);
|
|
|
|
statbytes = 0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
#endif
|
2000-11-14 23:29:24 +00:00
|
|
|
|
2001-01-20 20:07:00 +00:00
|
|
|
/* Original copyright notice which applies to the BB_FEATURE_WGET_STATUSBAR stuff,
|
2000-11-14 23:29:24 +00:00
|
|
|
* much of which was blatently stolen from openssh. */
|
|
|
|
|
|
|
|
/*-
|
|
|
|
* Copyright (c) 1992, 1993
|
|
|
|
* The Regents of the University of California. All rights reserved.
|
|
|
|
*
|
|
|
|
* Redistribution and use in source and binary forms, with or without
|
|
|
|
* modification, are permitted provided that the following conditions
|
|
|
|
* are met:
|
|
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
|
|
* notice, this list of conditions and the following disclaimer.
|
|
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
|
|
* documentation and/or other materials provided with the distribution.
|
|
|
|
*
|
|
|
|
* 3. <BSD Advertising Clause omitted per the July 22, 1999 licensing change
|
|
|
|
* ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change>
|
|
|
|
*
|
|
|
|
* 4. Neither the name of the University nor the names of its contributors
|
|
|
|
* may be used to endorse or promote products derived from this software
|
|
|
|
* without specific prior written permission.
|
|
|
|
*
|
|
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
|
|
* SUCH DAMAGE.
|
|
|
|
*
|
2001-03-09 21:24:12 +00:00
|
|
|
* $Id: wget.c,v 1.29 2001/03/09 21:24:12 andersen Exp $
|
2000-11-14 23:29:24 +00:00
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
|
|
|
2000-09-04 15:15:55 +00:00
|
|
|
/*
|
|
|
|
Local Variables:
|
|
|
|
c-file-style: "linux"
|
|
|
|
c-basic-offset: 4
|
|
|
|
tab-width: 4
|
|
|
|
End:
|
|
|
|
*/
|
2000-10-03 00:21:45 +00:00
|
|
|
|
2000-11-14 23:29:24 +00:00
|
|
|
|
|
|
|
|