// GetState returns current state of harvester
func (h *Harvester) GetState() *input.FileState {
state := input.FileState{
Source: h.Path,
Offset: h.GetOffset(),
FileStateOS: input.GetOSFileState(&h.Stat.Fileinfo),
}
return &state
}
// getPreviousFile checks in the registrar if there is the newFile already exist with a different name
// In case an old file is found, the path to the file is returned, if not, an error is returned
func (r *Registrar) getPreviousFile(newFilePath string, newFileInfo os.FileInfo) (string, error) {
newState := input.GetOSFileState(newFileInfo)
for oldFilePath, oldState := range r.getState() {
// Compare states
if newState.IsSame(oldState.FileStateOS) {
logp.Info("Old file with new name found: %s -> %s", oldFilePath, newFilePath)
return oldFilePath, nil
}
}
return "", fmt.Errorf("No previous file found")
}
// getPreviousFile checks in the registrar if there is the newFile already exist with a different name
// In case an old file is found, the path to the file is returned, if not, an error is returned
func (r *Registrar) getPreviousFile(newFilePath string, newFileInfo os.FileInfo) (string, error) {
newState := input.GetOSFileState(&newFileInfo)
for oldFilePath, oldState := range r.State {
// Skipping when path the same
if oldFilePath == newFilePath {
continue
}
// Compare states
if newState.IsSame(oldState.FileStateOS) {
logp.Info("Old file with new name found: %s is no %s", oldFilePath, newFilePath)
return oldFilePath, nil
}
}
return "", fmt.Errorf("No previous file found")
}
// createEvent creates and empty event.
// By default the offset is set to 0, means no bytes read. This can be used to report the status
// of a harvester
func (h *Harvester) createEvent() *input.FileEvent {
event := &input.FileEvent{
EventMetadata: h.Config.EventMetadata,
Source: h.Path,
InputType: h.Config.InputType,
DocumentType: h.Config.DocumentType,
Offset: h.getOffset(),
Bytes: 0,
Fileinfo: h.Stat.Fileinfo,
JSONConfig: h.Config.JSON,
}
if h.Config.InputType != config.StdinInputType {
event.FileState = input.FileState{
Source: h.Path,
Offset: h.getOffset(),
FileStateOS: input.GetOSFileState(h.Stat.Fileinfo),
}
}
return event
}
// refreshState refreshes the values in State with the values from the harvester itself
func (h *Harvester) refreshState() {
h.State.Source = h.Path
h.State.Offset = h.getOffset()
h.State.FileStateOS = input.GetOSFileState(h.State.Fileinfo)
}