X-Git-Url: http://www.git.stargrave.org/?a=blobdiff_plain;f=lib%2FPublicInbox%2FWwwStream.pm;h=c964dbd41a4607136c3df0f089957ec9aa72a159;hb=cde937e3bf4c0ad343479f9711a201494e4f36ee;hp=985e02622048b4a2ada72510aa84d4ab6273d7be;hpb=e6b159cf3dd1267ea76029fdbf3048488242ef14;p=public-inbox.git

diff --git a/lib/PublicInbox/WwwStream.pm b/lib/PublicInbox/WwwStream.pm
index 985e0262..c964dbd4 100644
--- a/lib/PublicInbox/WwwStream.pm
+++ b/lib/PublicInbox/WwwStream.pm
@@ -9,8 +9,12 @@
 package PublicInbox::WwwStream;
 use strict;
 use warnings;
+use base qw(Exporter);
+our @EXPORT_OK = qw(html_oneshot);
 use bytes (); # length
 use PublicInbox::Hval qw(ascii_html prurl);
+use Compress::Raw::Zlib qw(Z_FINISH Z_OK);
+use PublicInbox::GzipFilter qw(gzip_maybe gzf_maybe);
 our $TOR_URL = 'https://www.torproject.org/';
 our $CODE_URL = 'https://public-inbox.org/public-inbox.git';
 
@@ -37,8 +41,10 @@ sub new {
 
 sub response {
 	my ($class, $ctx, $code, $cb) = @_;
-	[ $code, [ 'Content-Type', 'text/html; charset=UTF-8' ],
-	  $class->new($ctx, $cb) ]
+	my $h = [ 'Content-Type', 'text/html; charset=UTF-8' ];
+	my $self = $class->new($ctx, $cb);
+	$self->{gzf} = gzf_maybe($h, $ctx->{env});
+	[ $code, $h, $self ]
 }
 
 sub _html_top ($) {
@@ -161,28 +167,49 @@ sub getline {
 	my ($self) = @_;
 	my $nr = $self->{nr}++;
 
-	return _html_top($self) if $nr == 0;
+	my $buf = do {
+		if ($nr == 0) {
+			_html_top($self);
+		} elsif (my $middle = $self->{cb}) {
+			$middle->($nr, $self->{ctx});
+		}
+	} // (delete($self->{cb}) ? _html_end($self) : undef);
 
-	if (my $middle = $self->{cb}) {
-		$middle = $middle->($nr, $self->{ctx}) and return $middle;
-	}
+	# gzf may be GzipFilter, `undef' or `0'
+	my $gzf = $self->{gzf} or return $buf;
 
-	delete $self->{cb} ? _html_end($self) : undef;
+	return $gzf->translate($buf) if defined $buf;
+	$self->{gzf} = 0; # next call to ->getline returns $buf (== undef)
+	$gzf->translate(undef);
 }
 
-sub oneshot {
+sub html_oneshot ($$;$) {
 	my ($ctx, $code, $sref) = @_;
 	my $self = bless {
 		ctx => $ctx,
 		base_url => base_url($ctx),
 	}, __PACKAGE__;
-	my @x = (_html_top($self), $sref ? $$sref : (), _html_end($self));
+	my @x;
+	my $h = [ 'Content-Type' => 'text/html; charset=UTF-8' ];
+	if (my $gz = gzip_maybe($h, $ctx->{env})) {
+		my $err = $gz->deflate(_html_top($self), $x[0]);
+		die "gzip->deflate: $err" if $err != Z_OK;
+		if ($sref) {
+			$err = $gz->deflate($sref, $x[0]);
+			die "gzip->deflate: $err" if $err != Z_OK;
+		}
+		$err = $gz->deflate(_html_end($self), $x[0]);
+		die "gzip->deflate: $err" if $err != Z_OK;
+		$err = $gz->flush($x[0], Z_FINISH);
+		die "gzip->flush: $err" if $err != Z_OK;
+	} else {
+		@x = (_html_top($self), $sref ? $$sref : (), _html_end($self));
+	}
+
 	my $len = 0;
 	$len += bytes::length($_) for @x;
-	[ $code, [
-		'Content-Type' => 'text/html; charset=UTF-8',
-		'Content-Length' => $len
-	], \@x ];
+	push @$h, 'Content-Length', $len;
+	[ $code, $h, \@x ]
 }
 
 1;