X-Git-Url: http://www.git.stargrave.org/?a=blobdiff_plain;f=lib%2FPublicInbox%2FMboxGz.pm;h=fdd16f68e35f91c44131b65de786f8f1037a2a92;hb=20607bd628f4f8ea985661a8ce123ea482058144;hp=716bf7b19d181af1791f8c81994e147fabbb9335;hpb=55263c56cf41c87f8977cd6a6be65ac07b5cea87;p=public-inbox.git diff --git a/lib/PublicInbox/MboxGz.pm b/lib/PublicInbox/MboxGz.pm index 716bf7b1..fdd16f68 100644 --- a/lib/PublicInbox/MboxGz.pm +++ b/lib/PublicInbox/MboxGz.pm @@ -6,77 +6,32 @@ use parent 'PublicInbox::GzipFilter'; use PublicInbox::Eml; use PublicInbox::Hval qw/to_filename/; use PublicInbox::Mbox; -use PublicInbox::GitAsyncCat; *msg_hdr = \&PublicInbox::Mbox::msg_hdr; *msg_body = \&PublicInbox::Mbox::msg_body; -# this is public-inbox-httpd-specific -sub mboxgz_blob_cb { # git->cat_async callback - my ($bref, $oid, $type, $size, $self) = @_; - my $http = $self->{env}->{'psgix.io'} or return; # client abort - my $smsg = delete $self->{smsg} or die 'BUG: no smsg'; - if (!defined($oid)) { - # it's possible to have TOCTOU if an admin runs - # public-inbox-(edit|purge), just move onto the next message - return $http->next_step(\&mboxgz_async_next); - } else { - $smsg->{blob} eq $oid or die "BUG: $smsg->{blob} != $oid"; - } - my $eml = PublicInbox::Eml->new($bref); - $self->zmore(msg_hdr($self, $eml, $smsg->{mid})); - - # PublicInbox::HTTP::{Chunked,Identity}::write - $self->{http_out}->write($self->translate(msg_body($eml))); - - $http->next_step(\&mboxgz_async_next); -} - -# this is public-inbox-httpd-specific -sub mboxgz_async_step ($) { - my ($self) = @_; - if (my $smsg = $self->{smsg} = $self->{cb}->($self)) { - git_async_cat($self->{-inbox}->git, $smsg->{blob}, - \&mboxgz_blob_cb, $self); - } elsif (my $out = delete $self->{http_out}) { - $out->write($self->zflush); - $out->close; - } -} - -# called by PublicInbox::DS::write -sub mboxgz_async_next { +sub async_next ($) { my ($http) = @_; # PublicInbox::HTTP - mboxgz_async_step($http->{forward}); -} - -# called by PublicInbox::HTTP::close, or any other PSGI server -sub close { !!delete($_[0]->{http_out}) } - -sub response { - my ($self, $cb, $res_hdr) = @_; - $self->{cb} = $cb; - bless $self, __PACKAGE__; - if ($self->{env}->{'pi-httpd.async'}) { - sub { - my ($wcb) = @_; # -httpd provided write callback - $self->{http_out} = $wcb->([200, $res_hdr]); - $self->{env}->{'psgix.io'}->{forward} = $self; - mboxgz_async_step($self); # start stepping - }; - } else { # generic PSGI - [ 200, $res_hdr, $self ]; - } + my $ctx = $http->{forward} or return; + eval { + $ctx->{smsg} = $ctx->{cb}->($ctx) or return $ctx->close; + $ctx->smsg_blob($ctx->{smsg}); + }; + warn "E: $@" if $@; } sub mbox_gz { my ($self, $cb, $fn) = @_; + $self->{cb} = $cb; $self->{base_url} = $self->{-inbox}->base_url($self->{env}); $self->{gz} = PublicInbox::GzipFilter::gzip_or_die(); $fn = to_filename($fn // 'no-subject'); $fn = 'no-subject' if $fn eq ''; # http://www.iana.org/assignments/media-types/application/gzip - response($self, $cb, [ qw(Content-Type application/gzip), - 'Content-Disposition', "inline; filename=$fn.mbox.gz" ]); + bless $self, __PACKAGE__; + my $res_hdr = [ 'Content-Type' => 'application/gzip', + 'Content-Disposition' => "inline; filename=$fn.mbox.gz" ]; + $self->psgi_response(200, $res_hdr, \&async_next, + \&PublicInbox::Mbox::async_eml); } # called by Plack::Util::foreach or similar (generic PSGI)