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83b26975bd
* break up code and use lazy reading and pool bufio.Writer * close underlying connection when operation failed * allocate bufWriter and streamWriter only once * refactor record writing * rebase from master * handle err * Fix type assertion Also reduce some duplication * Refactor client and clientCloser for logging Should reduce allocations * Minor cosmetic adjustments; apply Apache license * Appease the linter Co-authored-by: Matthew Holt <mholt@users.noreply.github.com>
59 lines
1.3 KiB
Go
59 lines
1.3 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 fastcgi
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import (
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"encoding/binary"
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"errors"
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"io"
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)
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type record struct {
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h header
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lr io.LimitedReader
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padding int64
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}
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func (rec *record) fill(r io.Reader) (err error) {
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rec.lr.N = rec.padding
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rec.lr.R = r
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if _, err = io.Copy(io.Discard, rec); err != nil {
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return
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}
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if err = binary.Read(r, binary.BigEndian, &rec.h); err != nil {
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return
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}
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if rec.h.Version != 1 {
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err = errors.New("fcgi: invalid header version")
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return
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}
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if rec.h.Type == EndRequest {
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err = io.EOF
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return
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}
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rec.lr.N = int64(rec.h.ContentLength)
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rec.padding = int64(rec.h.PaddingLength)
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return
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}
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func (rec *record) Read(p []byte) (n int, err error) {
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return rec.lr.Read(p)
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}
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func (rec *record) hasMore() bool {
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return rec.lr.N > 0
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}
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