use Fcntl ':flock'; # import LOCK_* constants
-my $version = q{ $Revision: 1.36 $ }; $version =~ s/^[^0-9]+([0-9.]+).*$/$1/;
+my $version = q{ $Revision: 1.42 $ }; $version =~ s/^[^0-9]+([0-9.]+).*$/$1/;
my $copyright = "WebCollage $version, Copyright (c) 1999" .
" Jamie Zawinski <jwz\@jwz.org>\n" .
" http://www.jwz.org/xscreensaver/\n";
my $progname = $argv0; $progname =~ s@.*/@@g;
my $random_redirector = "http://random.yahoo.com/bin/ryl";
-my $image_randomizer_1 = "http://image.altavista.com/cgi-bin/avncgi" .
- "?do=3" .
- "&verb=n" .
- "&oshape=n" .
- "&oorder=" .
- "&ophoto=1&oart=1&ocolor=1&obw=1" .
+my $image_randomizer_1 = "http://www.altavista.com/query" .
+ "?mmdo=3" .
+ "&nbq=12" .
"&stype=simage" .
- "&oprem=0" .
- "&query=";
+ "&oart=1" .
+ "&obw=1" .
+ "&oshape=0" .
+ "&what=web" .
+ "&q=";
my $image_randomizer_2 = "http://www.hotbot.com/?clickSrc=search" .
"&submit=SEARCH&SM=SC&LG=any" .
"&AM0=MC&AT0=words&AW0=" .
"&MT=";
my $image_randomizer_3 = "http://www.altavista.com/cgi-bin/query?pg=q" .
"&text=yes&kl=XX&stype=stext&q=";
-my $photo_randomizer = "http://albums.photopoint.com/j/View?u=1&a=1&p=";
-my $photo_randomizer_lo = 10000001;
-my $photo_randomizer_hi = 12400000;
+
+# I guess Photopoint got wise to me, because now they are doing error
+# checking on the user ("u=") and album ("a=") parameters. Oh well.
+#
+#my $photo_randomizer = "http://albums.photopoint.com/j/View?u=1&a=1&p=";
+#my $photo_randomizer_lo = 10000001;
+#my $photo_randomizer_hi = 12400000;
my $image_ppm = ($ENV{TMPDIR} ? $ENV{TMPDIR} : "/tmp") . "/webcollage." . $$;
my $image_tmp1 = $image_ppm . "-1";
my $http_timeout = 30;
my $cvt_timeout = 10;
-# if we have xli, use it to write to the root window. else use xv.
-my $ppm_to_root_window_cmd_1 = "xli -quiet -onroot -center" .
+# programs we can use to write to the root window (tried in ascending order.)
+my $ppm_to_root_window_cmd_1 = "xloadimage -onroot -quiet %%PPM%%";
+my $ppm_to_root_window_cmd_2 = "xli -quiet -onroot -center" .
" -border black %%PPM%%";
-my $ppm_to_root_window_cmd_2 = "xv -root -rmode 5 -viewonly" .
+my $ppm_to_root_window_cmd_3 = "xv -root -rmode 5 -viewonly" .
" +noresetroot %%PPM%% -quit";
my $ppm_to_root_window_cmd = undef; # initialized by x_output()
$paddr = sockaddr_in($port2, $iaddr);
+ my $head = "";
+ my $body = "";
+
@_ =
eval {
local $SIG{ALRM} = sub {
"\n");
my $http = <S>;
- my $head = "";
- my $body = "";
while (<S>) {
$head .= $_;
last if m@^[\r\n]@;
die if ($@ && $@ ne "alarm\n"); # propagate errors
if ($@) {
# timed out
+ $head = undef;
+ $body = undef;
return ();
} else {
# didn't
print STDERR "$progname: too many redirects " .
"($max_loop_count) from $orig_url\n";
}
+ $body = undef;
return ();
}
} elsif ( $http =~ m@HTTP/[0-9.]+ [4-9][0-9][0-9]@ ) {
# http errors -- return nothing.
+ $body = undef;
return ();
} else {
" \"$url\": rejecting.\n";
}
$rejected_urls{$url} = -1;
+ $body = undef;
+ $_ = undef;
return ();
}
" length $L in $url: rejecting.\n";
}
$rejected_urls{$url} = $L;
+ $body = undef;
+ $_ = undef;
return ();
} elsif ( $verbose > 2 ) {
print STDERR "$progname: keywords of length $L" .
}
}
+ $_ = undef;
+ $body = undef;
+
if ( $#urls == 0 ) {
if ( $verbose > 2 ) {
print STDERR "$progname: no images on $base\n";
my ( $base, $body ) = get_document ($random_redirector, undef, $timeout);
- return if (!$base || !$body);
+ if (!$base || !$body) {
+ $body = undef;
+ return;
+ }
my $img = pick_image_from_body ($base, $body);
+ $body = undef;
if ($img) {
return ($base, $img, "yahoo");
my ( $base, $body ) = get_document ($search_url, undef, $timeout);
if (defined ($timeout)) {
$timeout -= (time - $start);
- return () if ($timeout <= 0);
+ if ($timeout <= 0) {
+ $body = undef;
+ return ();
+ }
}
return () if (! $body);
my $href_count = 0;
$_ = $body;
- s/[\r\n\t ]+/ /g;
- s/Result Pages:.*$//; # trim off page footer
+ s/Result [Pp]ages:.*$//s; # trim off page footer
+ s/^.*?IMAGE RESULTS//s; # trim off page header
+
+ s/[\r\n\t ]+/ /g;
s/(<A )/\n$1/gi;
foreach (split(/\n/)) {
next unless ($u =~ m@^http://@i); # skip non-http and relative urls.
next if ($u =~ m@[/.]altavista\.com@i); # skip altavista builtins
+ next if ($u =~ m@[/.]av\.com@i);
+ next if ($u =~ m@[/.]virage\.com@i);
+ next if ($u =~ m@[/.]photoloft\.com@i);
+ next if ($u =~ m@[/.]shopping\.com@i);
+ next if ($u =~ m@[/.]thetrip\.com@i);
+ next if ($u =~ m@[/.]cmgi\.com@i);
+ next if ($u =~ m@[/.]intelihealth\.com@i);
+ next if ($u =~ m@[/.]wildweb\.com@i);
next if ($u =~ m@[/.]digital\.com@i);
next if ($u =~ m@[/.]doubleclick\.net@i);
print STDERR "$progname: found nothing on $base " .
"($length bytes, $href_count links).\n";
}
+ $body = undef;
+ $_ = undef;
return ();
}
}
+ $body = undef;
+ $_ = undef;
my ( $base2, $body2 ) = get_document ($subpage, $base, $timeout);
- return () if (!$base2 || !$body2);
+ if (!$base2 || !$body2) {
+ $body2 = undef;
+ return ();
+ }
my $img = pick_image_from_body ($base2, $body2);
+ $body2 = undef;
if ($img) {
return ($base2, $img,
# to an image. Returns two URLs, both of which are the URL of the image.
# Returns () if nothing found this time.
#
-sub pick_from_photo_randomizer {
- my ( $timeout ) = @_;
- my $n = ($photo_randomizer_lo +
- int(rand() * ($photo_randomizer_hi - $photo_randomizer_lo)));
- my $url = $photo_randomizer . $n;
- return ( $url, $url, "photopoint" );
-}
+#sub pick_from_photo_randomizer {
+# my ( $timeout ) = @_;
+# my $n = ($photo_randomizer_lo +
+# int(rand() * ($photo_randomizer_hi - $photo_randomizer_lo)));
+# my $url = $photo_randomizer . $n;
+# return ( $url, $url, "photopoint" );
+#}
# Picks a random image on a random page, and returns two URLs:
$total = ++$total_1;
$count = ++$count_1 if $img;
- } elsif ($r < 70) {
- ($base, $img, $source) = pick_from_photo_randomizer ($timeout);
- $total = ++$total_4;
- $count = ++$count_4 if $img;
+# } elsif ($r < 70) {
+# ($base, $img, $source) = pick_from_photo_randomizer ($timeout);
+# $total = ++$total_4;
+# $count = ++$count_4 if $img;
# } elsif ($r < 80) {
# # HotBot sucks: 98% of the time, it says "no pages match your
}
kill ('TERM', $pid) if ($pid);
$timed_out = 1;
+ $body = undef;
};
if (($pid = open(PIPE, "| $cmd2 > $output"))) {
$timed_out = 0;
alarm $cvt_timeout;
print PIPE $body;
+ $body = undef;
close PIPE;
if ($verbose > 3) { print STDERR "$progname: awaiting $pid\n"; }
die if ($@ && $@ ne "alarm\n"); # propagate errors
if ($@) {
# timed out
+ $body = undef;
return ();
} else {
# didn't
alarm 0;
+ $body = undef;
return @_;
}
}
my $win_cmd_1 = $ppm_to_root_window_cmd_1;
my $win_cmd_2 = $ppm_to_root_window_cmd_2;
+ my $win_cmd_3 = $ppm_to_root_window_cmd_3;
$win_cmd_1 =~ s/^([^ \t\r\n]+).*$/$1/;
$win_cmd_2 =~ s/^([^ \t\r\n]+).*$/$1/;
+ $win_cmd_3 =~ s/^([^ \t\r\n]+).*$/$1/;
# make sure the various programs we execute exist, right up front.
foreach ("ppmmake", "giftopnm", "djpeg", "pnmpaste", "pnmscale",
$ppm_to_root_window_cmd = $ppm_to_root_window_cmd_1;
} elsif (which($win_cmd_2)) {
$ppm_to_root_window_cmd = $ppm_to_root_window_cmd_2;
- } else {
- die "$progname: neither $win_cmd_1 nor $win_cmd_2 found on \$PATH.\n";
+ } elsif (which($win_cmd_3)) {
+ $ppm_to_root_window_cmd = $ppm_to_root_window_cmd_3;
+ } else {
+ die "$progname: didn't find $win_cmd_1, $win_cmd_2, or $win_cmd_3 on \$PATH.\n";
}
$SIG{HUP} = \&x_cleanup;
which ($_) || die "$progname: $_ not found on \$PATH.\n";
$_ = `$_`;
($img_width, $img_height) = m/dimensions: *(\d+)x(\d+) /;
+ if (!defined($img_height)) {
+ die "$progname: xdpyinfo failed.\n";
+ }
}
my $bgcolor = "#000000";
$cmd .= "pnmpaste - $x $y $image_ppm > $image_tmp1";
open (IMG, "| $cmd") || die ("running $cmd: $!\n");
print IMG $body;
+ $body = undef;
close (IMG);
if ($verbose > 1) {
print STDERR "$progname: subproc exited normally.\n";
my ($headers, $body) = get_document ($img, $base);
if ($body) {
handle_image ($base, $img, $body, $source);
+ $body = undef;
}
}
unlink $image_tmp1, $image_tmp2;
}
my ($iw, $ih) = image_to_pnm ($img, $body, $image_tmp1);
+ $body = undef;
return 0 unless ($iw && $ih);
my $ow = $iw; # used only for error messages
if (!$root_p && !$no_output_p) {
die "$copyright" .
- "$progname: the -root argument is manditory (for now.)\n";
+ "$progname: the -root argument is mandatory (for now.)\n";
}
if (!$no_output_p && !$ENV{DISPLAY}) {