mirror of
https://github.com/owncast/owncast.git
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128 lines
3.2 KiB
Go
128 lines
3.2 KiB
Go
package storageproviders
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import (
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"os"
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"path/filepath"
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"sort"
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"github.com/pkg/errors"
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log "github.com/sirupsen/logrus"
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"github.com/owncast/owncast/config"
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"github.com/owncast/owncast/core/data"
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)
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// LocalStorage represents an instance of the local storage provider for HLS video.
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type LocalStorage struct {
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host string
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}
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// NewLocalStorage returns a new LocalStorage instance.
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func NewLocalStorage() *LocalStorage {
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return &LocalStorage{}
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}
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// Setup configures this storage provider.
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func (s *LocalStorage) Setup() error {
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s.host = data.GetVideoServingEndpoint()
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return nil
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}
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// SegmentWritten is called when a single segment of video is written.
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func (s *LocalStorage) SegmentWritten(localFilePath string) {
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if _, err := s.Save(localFilePath, 0); err != nil {
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log.Warnln(err)
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}
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}
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// VariantPlaylistWritten is called when a variant hls playlist is written.
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func (s *LocalStorage) VariantPlaylistWritten(localFilePath string) {
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if _, err := s.Save(localFilePath, 0); err != nil {
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log.Errorln(err)
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return
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}
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}
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// MasterPlaylistWritten is called when the master hls playlist is written.
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func (s *LocalStorage) MasterPlaylistWritten(localFilePath string) {
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// If we're using a remote serving endpoint, we need to rewrite the master playlist
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if s.host != "" {
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if err := rewritePlaylistLocations(localFilePath, s.host, ""); err != nil {
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log.Warnln(err)
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}
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} else {
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if _, err := s.Save(localFilePath, 0); err != nil {
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log.Warnln(err)
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}
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}
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}
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// Save will save a local filepath using the storage provider.
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func (s *LocalStorage) Save(filePath string, retryCount int) (string, error) {
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return filePath, nil
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}
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func (s *LocalStorage) Cleanup() error {
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// Determine how many files we should keep on disk
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maxNumber := data.GetStreamLatencyLevel().SegmentCount
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buffer := 10
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baseDirectory := config.HLSStoragePath
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files, err := getAllFilesRecursive(baseDirectory)
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if err != nil {
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return errors.Wrap(err, "unable find old video files for cleanup")
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}
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// Delete old private HLS files on disk
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for directory := range files {
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files := files[directory]
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if len(files) < maxNumber+buffer {
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continue
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}
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filesToDelete := files[maxNumber+buffer:]
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log.Traceln("Deleting", len(filesToDelete), "old files from", baseDirectory, "for video variant", directory)
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for _, file := range filesToDelete {
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fileToDelete := filepath.Join(baseDirectory, directory, file.Name())
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err := os.Remove(fileToDelete)
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if err != nil {
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return errors.Wrap(err, "unable to delete old video files")
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}
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}
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}
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return nil
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}
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func getAllFilesRecursive(baseDirectory string) (map[string][]os.FileInfo, error) {
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files := make(map[string][]os.FileInfo)
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var directory string
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err := filepath.Walk(baseDirectory, func(path string, info os.FileInfo, err error) error {
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if err != nil {
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return err
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}
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if info.IsDir() {
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directory = info.Name()
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}
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if filepath.Ext(info.Name()) == ".ts" {
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files[directory] = append(files[directory], info)
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}
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return nil
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})
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if err != nil {
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return nil, err
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}
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// Sort by date so we can delete old files
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for directory := range files {
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sort.Slice(files[directory], func(i, j int) bool {
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return files[directory][i].ModTime().UnixNano() > files[directory][j].ModTime().UnixNano()
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})
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}
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return files, nil
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}
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