41 lines
691 B
Go
41 lines
691 B
Go
package db0203
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import (
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"io"
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"os"
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)
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type Log struct {
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FileName string
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fp *os.File
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}
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func (log *Log) Open() (err error) {
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log.fp, err = createFileSync(log.FileName)
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return err
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}
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func (log *Log) Close() error {
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return log.fp.Close()
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}
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func (log *Log) Write(ent *Entry) error {
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if _, err := log.fp.Write(ent.Encode()); err != nil {
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return err
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}
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return log.fp.Sync() // fsync
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}
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func (log *Log) Read(ent *Entry) (eof bool, err error) {
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err = ent.Decode(log.fp)
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if err == io.EOF || err == io.ErrUnexpectedEOF || err == ErrBadSum {
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return true, nil
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} else if err != nil {
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return false, err
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} else {
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return false, nil
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}
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}
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// QzBQWVJJOUhU https://trialofcode.org/
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