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package util
// DCSO FEVER
// Copyright (c) 2018, DCSO GmbH
import (
"unicode"
log "github.com/sirupsen/logrus"
)
// DummySubmitter is a StatsSubmitter that just logs submissions without
// sending them over the network.
type DummySubmitter struct {
Logger *log.Entry
SensorID string
}
func isASCIIPrintable(s string) bool {
for _, r := range s {
if r > unicode.MaxASCII || !unicode.IsPrint(r) {
return false
}
}
return true
}
// MakeDummySubmitter creates a new submitter just logging to the default log
// target.
func MakeDummySubmitter() (*DummySubmitter, error) {
mySubmitter := &DummySubmitter{
Logger: log.WithFields(log.Fields{
"domain": "submitter",
"submitter": "dummy",
}),
}
sensorID, err := GetSensorID()
if err != nil {
return nil, err
}
mySubmitter.SensorID = sensorID
return mySubmitter, nil
}
// UseCompression enables gzip compression of submitted payloads (not
// applicable in this implementation).
func (s *DummySubmitter) UseCompression() {
// pass
}
// Submit logs the rawData payload.
func (s *DummySubmitter) Submit(rawData []byte, key string, contentType string) {
s.SubmitWithHeaders(rawData, key, contentType, nil)
}
// SubmitWithHeaders logs rawData payload, adding some extra key-value pairs to
// the header.
func (s *DummySubmitter) SubmitWithHeaders(rawData []byte, key string, contentType string, myHeaders map[string]string) {
bytestring := string(rawData)
if isASCIIPrintable(bytestring) {
s.Logger.Info(bytestring)
} else {
s.Logger.Infof("%s (%s) - submitting non-printable byte array of length %d", key, contentType, len(rawData))
}
}
// Finish is a no-op in this implementation.
func (s *DummySubmitter) Finish() {
// pass
}
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