in log_store.go [145:210]
func (s *LogStore) PutRawLog(rawLogData []byte) (err error) {
if len(rawLogData) == 0 {
// empty log group
return nil
}
var out []byte
var h map[string]string
var outLen int
switch s.putLogCompressType {
case Compress_LZ4:
// Compresse body with lz4
out = make([]byte, lz4.CompressBlockBound(len(rawLogData)))
var hashTable [1 << 16]int
n, err := lz4.CompressBlock(rawLogData, out, hashTable[:])
if err != nil {
return NewClientError(err)
}
// copy incompressible data as lz4 format
if n == 0 {
n, _ = copyIncompressible(rawLogData, out)
}
h = map[string]string{
"x-log-compresstype": "lz4",
"x-log-bodyrawsize": strconv.Itoa(len(rawLogData)),
"Content-Type": "application/x-protobuf",
}
outLen = n
case Compress_ZSTD:
out, _ = slsZstdCompressor.Compress(rawLogData, nil)
h = map[string]string{
"x-log-compresstype": "zstd",
"x-log-bodyrawsize": strconv.Itoa(len(rawLogData)),
"Content-Type": "application/x-protobuf",
}
outLen = len(out)
case Compress_None:
// no compress
out = rawLogData
h = map[string]string{
"x-log-bodyrawsize": strconv.Itoa(len(rawLogData)),
"Content-Type": "application/x-protobuf",
}
outLen = len(out)
}
uri := fmt.Sprintf("/logstores/%v", s.Name)
r, err := request(s.project, "POST", uri, h, out[:outLen])
if err != nil {
return NewClientError(err)
}
defer r.Body.Close()
buf, err := ioutil.ReadAll(r.Body)
if err != nil {
return readResponseError(err)
}
if r.StatusCode != http.StatusOK {
err := new(Error)
if jErr := json.Unmarshal(buf, err); jErr != nil {
return NewBadResponseError(string(buf), r.Header, r.StatusCode)
}
return err
}
return nil
}