From: Thomas Lamprecht <t.lamprecht@proxmox.com>
To: Proxmox VE development discussion <pve-devel@lists.proxmox.com>,
Maximiliano Sandoval <m.sandoval@proxmox.com>
Subject: Re: [pve-devel] [PATCH http-server] http: support Content-Encoding=deflate
Date: Tue, 16 Apr 2024 13:49:36 +0200 [thread overview]
Message-ID: <0186d4d1-f8eb-4302-a71e-4456235492a7@proxmox.com> (raw)
In-Reply-To: <20240416114404.76400-1-m.sandoval@proxmox.com>
Am 16/04/2024 um 13:44 schrieb Maximiliano Sandoval:
> Add support for compressing the body of responses with
> `Content-Encoding=deflate` as per [RFC9110]. Note that in this context
> `deflate` is actually a "zlib" data format as defined in [RFC1950].
>
> [RFC9110] https://www.rfc-editor.org/rfc/rfc9110#name-deflate-coding
> [RFC1950] https://www.rfc-editor.org/rfc/rfc1950
>
> Signed-off-by: Maximiliano Sandoval <m.sandoval@proxmox.com>
> ---
> src/PVE/APIServer/AnyEvent.pm | 23 +++++++++++++++++------
> 1 file changed, 17 insertions(+), 6 deletions(-)
>
> diff --git a/src/PVE/APIServer/AnyEvent.pm b/src/PVE/APIServer/AnyEvent.pm
> index b60b825..a43d6bb 100644
> --- a/src/PVE/APIServer/AnyEvent.pm
> +++ b/src/PVE/APIServer/AnyEvent.pm
> @@ -123,6 +123,7 @@ sub cleanup_reqstate {
> delete $reqstate->{request};
> delete $reqstate->{proto};
> delete $reqstate->{accept_gzip};
> + delete $reqstate->{accept_deflate};
> delete $reqstate->{starttime};
>
> if ($reqstate->{tmpfilename}) {
> @@ -288,7 +289,7 @@ sub response {
> $reqstate->{hdl}->timeout($self->{timeout});
>
> $nocomp = 1 if !$self->{compression};
> - $nocomp = 1 if !$reqstate->{accept_gzip};
> + $nocomp = 1 if !$reqstate->{accept_gzip} && !$reqstate->{accept_deflate};
>
> my $code = $resp->code;
> my $msg = $resp->message || HTTP::Status::status_message($code);
> @@ -333,11 +334,17 @@ sub response {
> $content_length = length($content);
>
> if (!$nocomp && ($content_length > 1024)) {
> - my $comp = Compress::Zlib::memGzip($content);
> - $resp->header('Content-Encoding', 'gzip');
> - $content = $comp;
> - $content_length = length($content);
> + if ($reqstate->{accept_gzip}) {
> + my $comp = Compress::Zlib::memGzip($content);
> + $resp->header('Content-Encoding', 'gzip');
> + $content = $comp;
> + } elsif ($reqstate->{accept_deflate}) {
> + my $comp = Compress::Zlib::compress($content);
> + $resp->header('Content-Encoding', 'deflate');
> + $content = $comp;
> + }
> }
> + $content_length = length($content);
> $resp->header("Content-Length" => $content_length);
> $reqstate->{log}->{content_length} = $content_length;
>
> @@ -735,7 +742,10 @@ sub proxy_request {
> if $auth->{api_token};
> $headers->{'CSRFPreventionToken'} = $auth->{token}
> if $auth->{token};
> - $headers->{'Accept-Encoding'} = 'gzip' if ($reqstate->{accept_gzip} && $self->{compression});
> + if ($self->{compression}) {
> + $headers->{'Accept-Encoding'} = 'deflate' if $reqstate->{accept_deflate};
> + $headers->{'Accept-Encoding'} = 'gzip' if $reqstate->{accept_gzip};
it might warrant a comment (and a hint in the commit message) that gzip is
favored, otherwise it might seem like a bug that if both, accept_deflate and
accept_gzip are set, only the gzip one is set (even though passing a list
would be supported), or was this overlooked?
prev parent reply other threads:[~2024-04-16 11:50 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-16 11:44 Maximiliano Sandoval
2024-04-16 11:49 ` Thomas Lamprecht [this message]
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