mirror of
https://github.com/go-gitea/gitea
synced 2024-12-26 18:44:27 +00:00
d17efaa114
* Fix bug on migration 111 * Upgrade bleve to 1.0.10 Co-authored-by: zeripath <art27@cantab.net> Co-authored-by: techknowlogick <techknowlogick@gitea.io>
62 lines
1.7 KiB
Go
Vendored
62 lines
1.7 KiB
Go
Vendored
// Copyright (c) 2017 Couchbase, Inc.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package zap
|
|
|
|
import (
|
|
"hash/crc32"
|
|
"io"
|
|
|
|
"github.com/blevesearch/bleve/index/scorch/segment"
|
|
)
|
|
|
|
// CountHashWriter is a wrapper around a Writer which counts the number of
|
|
// bytes which have been written and computes a crc32 hash
|
|
type CountHashWriter struct {
|
|
w io.Writer
|
|
crc uint32
|
|
n int
|
|
s segment.StatsReporter
|
|
}
|
|
|
|
// NewCountHashWriter returns a CountHashWriter which wraps the provided Writer
|
|
func NewCountHashWriter(w io.Writer) *CountHashWriter {
|
|
return &CountHashWriter{w: w}
|
|
}
|
|
|
|
func NewCountHashWriterWithStatsReporter(w io.Writer, s segment.StatsReporter) *CountHashWriter {
|
|
return &CountHashWriter{w: w, s: s}
|
|
}
|
|
|
|
// Write writes the provided bytes to the wrapped writer and counts the bytes
|
|
func (c *CountHashWriter) Write(b []byte) (int, error) {
|
|
n, err := c.w.Write(b)
|
|
c.crc = crc32.Update(c.crc, crc32.IEEETable, b[:n])
|
|
c.n += n
|
|
if c.s != nil {
|
|
c.s.ReportBytesWritten(uint64(n))
|
|
}
|
|
return n, err
|
|
}
|
|
|
|
// Count returns the number of bytes written
|
|
func (c *CountHashWriter) Count() int {
|
|
return c.n
|
|
}
|
|
|
|
// Sum32 returns the CRC-32 hash of the content written to this writer
|
|
func (c *CountHashWriter) Sum32() uint32 {
|
|
return c.crc
|
|
}
|