46 lines
943 B
Go
46 lines
943 B
Go
package format
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import (
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"bufio"
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"bytes"
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"strconv"
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"gopkg.in/mcuadros/go-syslog.v2/internal/syslogparser/rfc5424"
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)
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type RFC6587 struct{}
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func (f *RFC6587) GetParser(line []byte) LogParser {
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return &parserWrapper{rfc5424.NewParser(line)}
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}
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func (f *RFC6587) GetSplitFunc() bufio.SplitFunc {
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return rfc6587ScannerSplit
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}
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func rfc6587ScannerSplit(data []byte, atEOF bool) (advance int, token []byte, err error) {
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if atEOF && len(data) == 0 {
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return 0, nil, nil
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}
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if i := bytes.IndexByte(data, ' '); i > 0 {
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pLength := data[0:i]
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length, err := strconv.Atoi(string(pLength))
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if err != nil {
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if string(data[0:1]) == "<" {
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// Assume this frame uses non-transparent-framing
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return len(data), data, nil
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}
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return 0, nil, err
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}
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end := length + i + 1
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if len(data) >= end {
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// Return the frame with the length removed
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return end, data[i+1 : end], nil
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}
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}
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// Request more data
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return 0, nil, nil
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}
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