# for GetlineBody (via Qspawn) when NOT using $env->{'pi-httpd.async'}
# Also used for ->getline callbacks
-sub translate ($$) {
- my $self = $_[0]; # $_[1] => input
+sub translate {
+ my $self = shift; # $_[1] => input
# allocate the zlib context lazily here, instead of in ->new.
# Deflate contexts are memory-intensive and this object may
# be sitting in the Qspawn limiter queue for a while.
- my $gz = $self->{gz} //= gzip_or_die();
- my $zbuf = delete($self->{zbuf});
- if (defined $_[1]) { # my $buf = $_[1];
- my $err = $gz->deflate($_[1], $zbuf);
- die "gzip->deflate: $err" if $err != Z_OK;
- return $zbuf if length($zbuf) >= 8192;
-
- $self->{zbuf} = $zbuf;
- '';
+ $self->{gz} //= gzip_or_die();
+ if (defined $_[0]) { # my $buf = $_[1];
+ zmore($self, @_);
+ length($self->{zbuf}) >= 8192 ? delete($self->{zbuf}) : '';
} else { # undef == EOF
- my $err = $gz->flush($zbuf);
- die "gzip->flush: $err" if $err != Z_OK;
- $zbuf;
+ zflush($self);
}
}
}
sub write {
+ my $self = shift;
# my $ret = bytes::length($_[1]); # XXX does anybody care?
- http_out($_[0])->write(translate($_[0], $_[1]));
+ http_out($self)->write($self->translate(@_));
+}
+
+sub zfh {
+ $_[0]->{zfh} // do {
+ open($_[0]->{zfh}, '>>', \($_[0]->{pbuf} //= '')) or
+ die "open: $!";
+ $_[0]->{zfh}
+ };
}
# similar to ->translate; use this when we're sure we know we have
# more data to buffer after this
sub zmore {
- my $self = $_[0]; # $_[1] => input
+ my $self = shift;
+ my $zfh = delete $self->{zfh};
+ if (@_ > 1 || $zfh) {
+ print { $zfh // zfh($self) } @_;
+ @_ = (delete $self->{pbuf});
+ delete $self->{zfh};
+ };
http_out($self);
- my $err = $self->{gz}->deflate($_[1], $self->{zbuf});
- die "gzip->deflate: $err" if $err != Z_OK;
- undef;
+ my $err;
+ ($err = $self->{gz}->deflate($_[0], $self->{zbuf})) == Z_OK or
+ die "gzip->deflate: $err";
}
# flushes and returns the final bit of gzipped data
-sub zflush ($;$) {
- my $self = $_[0]; # $_[1] => final input (optional)
- my $zbuf = delete $self->{zbuf};
- my $gz = delete $self->{gz};
+sub zflush ($;@) {
+ my $self = shift; # $_[1..Inf] => final input (optional)
+ zmore($self, @_) if scalar(@_) || $self->{zfh};
+ # not a bug, recursing on DS->write failure
+ my $gz = delete $self->{gz} // return '';
my $err;
- if (defined $_[1]) { # it's a bug iff $gz is undef w/ $_[1]
- $err = $gz->deflate($_[1], $zbuf);
- die "gzip->deflate: $err" if $err != Z_OK;
- }
- $gz // return; # not a bug, recursing on DS->write failure
- $err = $gz->flush($zbuf);
- die "gzip->flush: $err" if $err != Z_OK;
+ my $zbuf = delete $self->{zbuf};
+ ($err = $gz->flush($zbuf)) == Z_OK or die "gzip->flush: $err";
$zbuf;
}
sub close {
my ($self) = @_;
my $http_out = http_out($self) // return;
- $http_out->write(zflush($self));
- delete($self->{http_out})->close;
+ $http_out->write($self->zflush);
+ (delete($self->{http_out}) // return)->close;
}
sub bail {