mirror of
https://github.com/caddyserver/caddy.git
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62 lines
1.9 KiB
Go
62 lines
1.9 KiB
Go
// Copyright 2015 Matthew Holt and The Caddy Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package caddyzstd
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import (
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"github.com/caddyserver/caddy/v2"
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"github.com/caddyserver/caddy/v2/caddyconfig/caddyfile"
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"github.com/caddyserver/caddy/v2/modules/caddyhttp/encode"
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"github.com/klauspost/compress/zstd"
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)
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func init() {
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caddy.RegisterModule(Zstd{})
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}
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// Zstd can create Zstandard encoders.
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type Zstd struct{}
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// CaddyModule returns the Caddy module information.
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func (Zstd) CaddyModule() caddy.ModuleInfo {
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return caddy.ModuleInfo{
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ID: "http.encoders.zstd",
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New: func() caddy.Module { return new(Zstd) },
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}
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}
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// UnmarshalCaddyfile sets up the handler from Caddyfile tokens.
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func (z *Zstd) UnmarshalCaddyfile(d *caddyfile.Dispenser) error {
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return nil
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}
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// AcceptEncoding returns the name of the encoding as
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// used in the Accept-Encoding request headers.
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func (Zstd) AcceptEncoding() string { return "zstd" }
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// NewEncoder returns a new Zstandard writer.
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func (z Zstd) NewEncoder() encode.Encoder {
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// The default of 8MB for the window is
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// too large for many clients, so we limit
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// it to 128K to lighten their load.
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writer, _ := zstd.NewWriter(nil, zstd.WithWindowSize(128<<10), zstd.WithEncoderConcurrency(1), zstd.WithZeroFrames(true))
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return writer
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}
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// Interface guards
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var (
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_ encode.Encoding = (*Zstd)(nil)
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_ caddyfile.Unmarshaler = (*Zstd)(nil)
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)
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