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			91 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			91 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
package transcoder
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import (
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	"io"
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	"net"
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	"net/http"
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	"os"
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	"path/filepath"
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	"strings"
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	"github.com/owncast/owncast/config"
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	"github.com/owncast/owncast/utils"
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	log "github.com/sirupsen/logrus"
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)
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// FileWriterReceiverServiceCallback are to be fired when transcoder responses are written to disk.
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type FileWriterReceiverServiceCallback interface {
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	SegmentWritten(localFilePath string)
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	VariantPlaylistWritten(localFilePath string)
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	MasterPlaylistWritten(localFilePath string)
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}
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// FileWriterReceiverService accepts transcoder responses via HTTP and fires the callbacks.
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type FileWriterReceiverService struct {
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	callbacks FileWriterReceiverServiceCallback
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}
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// SetupFileWriterReceiverService will start listening for transcoder responses.
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func (s *FileWriterReceiverService) SetupFileWriterReceiverService(callbacks FileWriterReceiverServiceCallback) {
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	s.callbacks = callbacks
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	httpServer := http.NewServeMux()
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	httpServer.HandleFunc("/", s.uploadHandler)
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	localListenerAddress := "127.0.0.1:0"
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	listener, err := net.Listen("tcp", localListenerAddress)
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	if err != nil {
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		log.Fatalln("Unable to start internal video writing service", err)
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	}
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	listenerPort := strings.Split(listener.Addr().String(), ":")[1]
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	config.InternalHLSListenerPort = listenerPort
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	log.Traceln("Transcoder response service listening on: " + listenerPort)
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	go func() {
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		if err := http.Serve(listener, httpServer); err != nil {
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			log.Fatalln("Unable to start internal video writing service", err)
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		}
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	}()
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}
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func (s *FileWriterReceiverService) uploadHandler(w http.ResponseWriter, r *http.Request) {
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	if r.Method != "PUT" {
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		http.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest)
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		return
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	}
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	path := r.URL.Path
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	writePath := filepath.Join(config.HLSStoragePath, path)
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	f, err := os.Create(writePath) //nolint: gosec
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	if err != nil {
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		returnError(err, w)
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		return
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	}
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	defer f.Close()
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	if _, err := io.Copy(f, r.Body); err != nil {
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		returnError(err, w)
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		return
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	}
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	s.fileWritten(writePath)
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	w.WriteHeader(http.StatusOK)
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}
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func (s *FileWriterReceiverService) fileWritten(path string) {
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	if utils.GetRelativePathFromAbsolutePath(path) == "hls/stream.m3u8" {
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		s.callbacks.MasterPlaylistWritten(path)
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	} else if strings.HasSuffix(path, ".ts") {
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		s.callbacks.SegmentWritten(path)
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	} else if strings.HasSuffix(path, ".m3u8") {
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		s.callbacks.VariantPlaylistWritten(path)
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	}
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}
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func returnError(err error, w http.ResponseWriter) {
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	log.Debugln(err)
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	http.Error(w, http.StatusText(http.StatusInternalServerError)+": "+err.Error(), http.StatusInternalServerError)
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}
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