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* Support jsonline protocol * support jsonline protocol * add UTs * support field rename and protocol rename * reuse bytebuf * use jsoniter instead of encoding/json * add docs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,57 @@ | ||
| package protocol | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "fmt" | ||
|
|
||
| jsoniter "github.com/json-iterator/go" | ||
|
|
||
| "github.com/alibaba/ilogtail/pkg/protocol" | ||
| ) | ||
|
|
||
| var ( | ||
| sep = []byte("\n") | ||
| ) | ||
|
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| func (c *Converter) ConvertToJsonlineProtocolStreamFlatten(logGroup *protocol.LogGroup) ([]byte, []map[string]string, error) { | ||
| convertedLogs, _, err := c.ConvertToSingleProtocolLogsFlatten(logGroup, nil) | ||
| if err != nil { | ||
| return nil, nil, err | ||
| } | ||
| joinedStream := *GetPooledByteBuf() | ||
| for i, log := range convertedLogs { | ||
| switch c.Encoding { | ||
| case EncodingJSON: | ||
| var err error | ||
| joinedStream, err = marshalWithoutHTMLEscapedWithoutAlloc(log, bytes.NewBuffer(joinedStream)) | ||
| if err != nil { | ||
| // release byte buffer | ||
| PutPooledByteBuf(&joinedStream) | ||
| return nil, nil, fmt.Errorf("unable to marshal log: %v", log) | ||
| } | ||
| // trim and append a \n | ||
| joinedStream = trimRightByte(joinedStream, sep[0]) | ||
| if i < len(convertedLogs)-1 { | ||
| joinedStream = append(joinedStream, sep[0]) | ||
| } | ||
| default: | ||
| return nil, nil, fmt.Errorf("unsupported encoding format: %s", c.Encoding) | ||
| } | ||
| } | ||
| return joinedStream, nil, nil | ||
| } | ||
|
|
||
| func marshalWithoutHTMLEscapedWithoutAlloc(data interface{}, bf *bytes.Buffer) ([]byte, error) { | ||
| enc := jsoniter.ConfigFastest.NewEncoder(bf) | ||
| if err := enc.Encode(data); err != nil { | ||
| return nil, err | ||
| } | ||
| return bf.Bytes(), nil | ||
| } | ||
|
|
||
| func trimRightByte(s []byte, c byte) []byte { | ||
| for len(s) > 0 && s[len(s)-1] == c { | ||
| s = s[:len(s)-1] | ||
| } | ||
| return s | ||
| } |
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