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[svn] Fixed a timestamping related bug in HTTP downloads.

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mtortonesi 2006-08-21 06:38:15 -07:00
parent a9c3209a9b
commit 8c45a34a55
2 changed files with 60 additions and 52 deletions
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4
src/ChangeLog
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@ -1,3 +1,7 @@
2006-08-21 Mauro Tortonesi <mauro@ferrara.linux.it>
* http.c: Fixed timestamping-related bug.
2006-08-16 Mauro Tortonesi <mauro@ferrara.linux.it>
* http.c: Fixed bug which broke --continue feature. Now if -c is

108
src/http.c
View File

@ -1740,9 +1740,6 @@ gethttp (struct url *u, struct http_stat *hs, int *dt, struct url *proxy)
}
}
DEBUGP (("hs->local_file is: %s %s\n", hs->local_file,
file_exists_p (hs->local_file) ? "(existing)" : "(not existing)"));
/* TODO: perform this check only once. */
if (file_exists_p (hs->local_file))
{
@ -1806,7 +1803,7 @@ File `%s' already there; not retrieving.\n\n"), hs->local_file);
/* Try to stat() the .orig file. */
if (stat (filename_plus_orig_suffix, &st) == 0)
{
local_dot_orig_file_exists = 1;
local_dot_orig_file_exists = true;
local_filename = filename_plus_orig_suffix;
}
}
@ -2019,8 +2016,6 @@ File `%s' already there; not retrieving.\n\n"), hs->local_file);
else
*dt &= ~TEXTHTML;
DEBUGP (("TEXTHTML is %s.\n", *dt | TEXTHTML ? "on": "off"));
if (opt.html_extension && (*dt & TEXTHTML))
/* -E / --html-extension / html_extension = on was specified, and this is a
text/html file. If some case-insensitive variation on ".htm[l]" isn't
@ -2230,7 +2225,7 @@ http_loop (struct url *u, char **newloc, char **local_file, const char *referer,
int *dt, struct url *proxy)
{
int count;
bool got_head = false; /* used for time-stamping */
bool got_head = false; /* used for time-stamping and filename detection */
bool got_name = false;
char *tms;
const char *tmrate;
@ -2314,7 +2309,7 @@ http_loop (struct url *u, char **newloc, char **local_file, const char *referer,
on or time-stamping is employed, HEAD_ONLY commands is
encoded within *dt. */
if ((opt.spider && !opt.recursive)
|| (opt.timestamping && !got_head)
|| (opt.timestamping && !got_head)
|| (opt.always_rest && !got_name))
*dt |= HEAD_ONLY;
else
@ -2433,6 +2428,8 @@ http_loop (struct url *u, char **newloc, char **local_file, const char *referer,
/* Did we get the time-stamp? */
if (!got_head)
{
bool restart_loop = false;
if (opt.timestamping && !hstat.remote_time)
{
logputs (LOG_NOTQUIET, _("\
@ -2446,55 +2443,62 @@ Last-modified header missing -- time-stamps turned off.\n"));
logputs (LOG_VERBOSE, _("\
Last-modified header invalid -- time-stamp ignored.\n"));
}
}
/* The time-stamping section. */
if (opt.timestamping)
{
if (hstat.orig_file_name) /* Perform this check only if the file we're
supposed to download already exists. */
{
if (hstat.remote_time && tmr != (time_t) (-1))
{
/* Now time-stamping can be used validly. Time-stamping
means that if the sizes of the local and remote file
match, and local file is newer than the remote file,
it will not be retrieved. Otherwise, the normal
download procedure is resumed. */
if (hstat.orig_file_tstamp >= tmr)
{
if (hstat.contlen == -1 || hstat.orig_file_size == hstat.contlen)
{
logprintf (LOG_VERBOSE, _("\
Server file no newer than local file `%s' -- not retrieving.\n\n"),
hstat.orig_file_name);
ret = RETROK;
goto exit;
}
else
{
logprintf (LOG_VERBOSE, _("\
The sizes do not match (local %s) -- retrieving.\n"),
number_to_static_string (local_size));
}
}
else
logputs (LOG_VERBOSE,
_("Remote file is newer, retrieving.\n"));
logputs (LOG_VERBOSE, "\n");
}
}
/* free_hstat (&hstat); */
hstat.timestamp_checked = true;
restart_loop = true;
}
if (opt.always_rest)
{
got_name = true;
restart_loop = true;
}
/* The time-stamping section. */
if (opt.timestamping && !got_head)
{
got_head = true; /* no more time-stamping */
*dt &= ~HEAD_ONLY;
count = 0; /* the retrieve count for HEAD is reset */
if (hstat.remote_time && tmr != (time_t) (-1))
{
/* Now time-stamping can be used validly. Time-stamping
means that if the sizes of the local and remote file
match, and local file is newer than the remote file,
it will not be retrieved. Otherwise, the normal
download procedure is resumed. */
if (hstat.orig_file_tstamp >= tmr)
{
if (hstat.contlen == -1 || hstat.orig_file_size == hstat.contlen)
{
logprintf (LOG_VERBOSE, _("\
Server file no newer than local file `%s' -- not retrieving.\n\n"),
hstat.orig_file_name);
ret = RETROK;
goto exit;
}
else
{
logprintf (LOG_VERBOSE, _("\
The sizes do not match (local %s) -- retrieving.\n"),
number_to_static_string (local_size));
}
}
else
logputs (LOG_VERBOSE,
_("Remote file is newer, retrieving.\n"));
logputs (LOG_VERBOSE, "\n");
}
/* free_hstat (&hstat); */
hstat.timestamp_checked = true;
continue;
}
if (opt.always_rest && !got_name)
{
got_name = true;
continue;
if (restart_loop)
continue;
}
if ((tmr != (time_t) (-1))