func createLineReader(
in FileSource,
codec encoding.Encoding,
bufferSize int,
maxBytes int,
readerConfig logFileReaderConfig,
mlrConfig *config.MultilineConfig,
) (processor.LineProcessor, error) {
var p processor.LineProcessor
var err error
fileReader, err := newLogFileReader(in, readerConfig)
if err != nil {
return nil, err
}
p, err = processor.NewLineSource(fileReader, codec, bufferSize)
if err != nil {
return nil, err
}
if mlrConfig != nil {
p, err = processor.NewMultiline(p, maxBytes, mlrConfig)
if err != nil {
return nil, err
}
return processor.NewStripNewline(p), nil
}
p = processor.NewStripNewline(p)
return processor.NewLimitProcessor(p, maxBytes), nil
}
func (h *Harvester) newLineProcessor() (processor.LineProcessor, error) {
readerConfig := h.newLogFileReaderConfig()
var p processor.LineProcessor
var err error
fileReader, err := reader.NewLogFileReader(h.file, readerConfig, h.done)
if err != nil {
return nil, err
}
p, err = processor.NewLineEncoder(fileReader, h.encoding, h.config.BufferSize)
if err != nil {
return nil, err
}
if h.config.JSON != nil {
p = processor.NewJSONProcessor(p, h.config.JSON)
}
p = processor.NewStripNewline(p)
if h.config.Multiline != nil {
p, err = processor.NewMultiline(p, "\n", h.config.MaxBytes, h.config.Multiline)
if err != nil {
return nil, err
}
}
return processor.NewLimitProcessor(p, h.config.MaxBytes), nil
}
func createLineProcessor(
in source.FileSource,
codec encoding.Encoding,
bufferSize int,
maxBytes int,
readerConfig reader.LogFileReaderConfig,
jsonConfig *processor.JSONConfig,
mlrConfig *processor.MultilineConfig,
done chan struct{},
) (processor.LineProcessor, error) {
var p processor.LineProcessor
var err error
fileReader, err := reader.NewLogFileReader(in, readerConfig, done)
if err != nil {
return nil, err
}
p, err = processor.NewLineEncoder(fileReader, codec, bufferSize)
if err != nil {
return nil, err
}
if jsonConfig != nil {
p = processor.NewJSONProcessor(p, jsonConfig)
}
p = processor.NewStripNewline(p)
if mlrConfig != nil {
p, err = processor.NewMultiline(p, "\n", maxBytes, mlrConfig)
if err != nil {
return nil, err
}
}
return processor.NewLimitProcessor(p, maxBytes), nil
}