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remove original downloader

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add locking to IP selection to avoid concurrent access
This commit is contained in:
Niko Storni 2019-07-11 17:32:46 +02:00
parent b8caf3f82b
commit 8ad2acc936
1 changed files with 5 additions and 91 deletions
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96
sources/youtubeVideo.go
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@ -25,7 +25,6 @@ import (
"github.com/ChannelMeter/iso8601duration"
"github.com/aws/aws-sdk-go/aws"
"github.com/nikooo777/ytdl"
"github.com/shopspring/decimal"
log "github.com/sirupsen/logrus"
"google.golang.org/api/youtube/v3"
@ -176,8 +175,11 @@ func (v *YoutubeVideo) getAbbrevDescription() string {
var ipPool []string
var IPIndex int
var ipMutex sync.Mutex
func getNextIP() (string, error) {
ipMutex.Lock()
defer ipMutex.Unlock()
if len(ipPool) < 1 {
IPIndex = 0
addrs, err := net.InterfaceAddrs()
@ -202,7 +204,7 @@ func getNextIP() (string, error) {
return nextIP, nil
}
func (v *YoutubeVideo) fallbackDownload() error {
func (v *YoutubeVideo) download() error {
sourceAddress, err := getNextIP()
if err != nil {
return errors.Err(err)
@ -235,89 +237,6 @@ func (v *YoutubeVideo) fallbackDownload() error {
return nil
}
func (v *YoutubeVideo) download() error {
videoPath := v.getFullPath()
err := os.Mkdir(v.videoDir(), 0750)
if err != nil && !strings.Contains(err.Error(), "file exists") {
return errors.Wrap(err, 0)
}
_, err = os.Stat(videoPath)
if err != nil && !os.IsNotExist(err) {
return errors.Err(err)
} else if err == nil {
log.Debugln(v.id + " already exists at " + videoPath)
return nil
}
videoUrl := "https://www.youtube.com/watch?v=" + v.id
videoInfo, err := ytdl.GetVideoInfo(videoUrl)
if err != nil {
return errors.Err(err)
}
codec := []string{"H.264"}
ext := []string{"mp4"}
//Filter requires a [] interface{}
codecFilter := make([]interface{}, len(codec))
for i, v := range codec {
codecFilter[i] = v
}
//Filter requires a [] interface{}
extFilter := make([]interface{}, len(ext))
for i, v := range ext {
extFilter[i] = v
}
formats := videoInfo.Formats.Filter(ytdl.FormatVideoEncodingKey, codecFilter).Filter(ytdl.FormatExtensionKey, extFilter)
if len(formats) == 0 {
return errors.Err("no compatible format available for this video")
}
maxRetryAttempts := 5
isLengthLimitSet := v.maxVideoLength > 0.01
if isLengthLimitSet && videoInfo.Duration.Hours() > v.maxVideoLength {
return errors.Err("video is too long to process")
}
for i := 0; i < len(formats) && i < maxRetryAttempts; i++ {
formatIndex := i
if i == maxRetryAttempts-1 {
formatIndex = len(formats) - 1
}
var downloadedFile *os.File
downloadedFile, err = os.Create(videoPath)
if err != nil {
return errors.Err(err)
}
err = videoInfo.Download(formats[formatIndex], downloadedFile)
_ = downloadedFile.Close()
if err != nil {
//delete the video and ignore the error
_ = v.delete()
return errors.Err(err.Error())
}
fi, err := os.Stat(v.getFullPath())
if err != nil {
return errors.Err(err)
}
videoSize := fi.Size()
v.size = &videoSize
isVideoSizeLimitSet := v.maxVideoSize > 0
if isVideoSizeLimitSet && videoSize > v.maxVideoSize {
//delete the video and ignore the error
_ = v.delete()
err = errors.Err("file is too big and there is no other format available")
} else {
break
}
}
return errors.Err(err)
}
func (v *YoutubeVideo) videoDir() string {
return v.dir + "/" + v.id
}
@ -432,12 +351,7 @@ func (v *YoutubeVideo) Sync(daemon *jsonrpc.Client, params SyncParams, existingV
func (v *YoutubeVideo) downloadAndPublish(daemon *jsonrpc.Client, params SyncParams) (*SyncSummary, error) {
err := v.download()
if err != nil {
log.Errorf("standard downloader failed: %s. Trying fallback downloader\n", err.Error())
fallBackErr := v.fallbackDownload()
if fallBackErr != nil {
log.Errorf("fallback downloader failed: %s\n", fallBackErr.Error())
return nil, errors.Prefix("download error", err) //return original error
}
return nil, errors.Prefix("download error", err)
}
log.Debugln("Downloaded " + v.id)