X-Git-Url: http://www.git.stargrave.org/?a=blobdiff_plain;f=lib%2FPublicInbox%2FWwwStream.pm;h=7d257a191b0dda96558f969cc1b45d693f726942;hb=1cf5a6129b5ae4991275862aab539ddea812890a;hp=4d82cbb48e03202edf9c3234812444c24f6ebf5b;hpb=55263c56cf41c87f8977cd6a6be65ac07b5cea87;p=public-inbox.git

diff --git a/lib/PublicInbox/WwwStream.pm b/lib/PublicInbox/WwwStream.pm
index 4d82cbb4..7d257a19 100644
--- a/lib/PublicInbox/WwwStream.pm
+++ b/lib/PublicInbox/WwwStream.pm
@@ -8,18 +8,13 @@
 # more common "push" model)
 package PublicInbox::WwwStream;
 use strict;
-use warnings;
-use base qw(Exporter);
+use parent qw(Exporter PublicInbox::GzipFilter);
 our @EXPORT_OK = qw(html_oneshot);
 use bytes (); # length
 use PublicInbox::Hval qw(ascii_html prurl);
-use PublicInbox::GzipFilter qw(gzf_maybe);
 our $TOR_URL = 'https://www.torproject.org/';
 our $CODE_URL = 'https://public-inbox.org/public-inbox.git';
 
-# noop for HTTP.pm (and any other PSGI servers)
-sub close {}
-
 sub base_url ($) {
 	my $ctx = shift;
 	my $base_url = $ctx->{-inbox}->base_url($ctx->{env});
@@ -34,12 +29,9 @@ sub init {
 	bless $ctx, __PACKAGE__;
 }
 
-sub response {
-	my ($ctx, $code, $cb) = @_;
-	my $h = [ 'Content-Type', 'text/html; charset=UTF-8' ];
-	init($ctx, $cb);
-	$ctx->{gzf} = gzf_maybe($h, $ctx->{env});
-	[ $code, $h, $ctx ]
+sub async_eml { # ->{async_eml} for async_blob_cb
+	my ($ctx, $eml) = @_;
+	$ctx->{http_out}->write($ctx->translate($ctx->{cb}->($ctx, $eml)));
 }
 
 sub html_top ($) {
@@ -158,35 +150,56 @@ EOF
 # callback for HTTP.pm (and any other PSGI servers)
 sub getline {
 	my ($ctx) = @_;
-	my $cb = $ctx->{cb};
-	my $buf = $cb->($ctx) if $cb;
-	$buf //= delete($ctx->{cb}) ? _html_end($ctx) : undef;
-
-	# gzf may be GzipFilter, `undef' or `0'
-	my $gzf = $ctx->{gzf} or return $buf;
-
-	return $gzf->translate($buf) if defined $buf;
-	$ctx->{gzf} = 0; # next call to ->getline returns $buf (== undef)
-	$gzf->translate(undef);
+	my $cb = $ctx->{cb} or return;
+	while (defined(my $x = $cb->($ctx))) { # x = smsg or scalar non-ref
+		if (ref($x)) { # smsg
+			my $eml = $ctx->{-inbox}->smsg_eml($x) or next;
+			$ctx->{smsg} = $x;
+			return $ctx->translate($cb->($ctx, $eml));
+		} else { # scalar
+			return $ctx->translate($x);
+		}
+	}
+	delete $ctx->{cb};
+	$ctx->zflush(_html_end($ctx));
 }
 
 sub html_oneshot ($$;$) {
 	my ($ctx, $code, $sref) = @_;
-	$ctx->{base_url} = base_url($ctx);
-	bless $ctx, __PACKAGE__;
-	my @x;
-	my $h = [ 'Content-Type' => 'text/html; charset=UTF-8',
+	my $res_hdr = [ 'Content-Type' => 'text/html; charset=UTF-8',
 		'Content-Length' => undef ];
-	if (my $gzf = gzf_maybe($h, $ctx->{env})) {
-		$gzf->zmore(html_top($ctx));
-		$gzf->zmore($$sref) if $sref;
-		$x[0] = $gzf->zflush(_html_end($ctx));
-		$h->[3] = length($x[0]);
-	} else {
-		@x = (html_top($ctx), $sref ? $$sref : (), _html_end($ctx));
-		$h->[3] += bytes::length($_) for @x;
-	}
-	[ $code, $h, \@x ]
+	bless $ctx, __PACKAGE__;
+	$ctx->{gz} = PublicInbox::GzipFilter::gz_or_noop($res_hdr, $ctx->{env});
+	$ctx->{base_url} //= do {
+		$ctx->zmore(html_top($ctx));
+		base_url($ctx);
+	};
+	$ctx->zmore($$sref) if $sref;
+	my $bdy = $ctx->zflush(_html_end($ctx));
+	$res_hdr->[3] = bytes::length($bdy);
+	[ $code, $res_hdr, [ $bdy ] ]
+}
+
+sub async_next ($) {
+	my ($http) = @_; # PublicInbox::HTTP
+	my $ctx = $http->{forward} or return;
+	eval {
+		if (my $smsg = $ctx->{smsg} = $ctx->{cb}->($ctx)) {
+			$ctx->smsg_blob($smsg);
+		} else {
+			$ctx->{http_out}->write(
+					$ctx->translate(_html_end($ctx)));
+			$ctx->close; # GzipFilter->close
+		}
+	};
+	warn "E: $@" if $@;
+}
+
+sub aresponse {
+	my ($ctx, $code, $cb) = @_;
+	my $res_hdr = [ 'Content-Type' => 'text/html; charset=UTF-8' ];
+	init($ctx, $cb);
+	$ctx->psgi_response($code, $res_hdr, \&async_next, \&async_eml);
 }
 
 1;