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upload.go
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upload.go
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package cmd
import (
"context"
"fmt"
"log"
"os"
"path/filepath"
"strings"
"sync"
thrown "github.com/0chain/errors"
"github.com/0chain/gosdk/core/common"
"github.com/0chain/gosdk/zboxcore/fileref"
"github.com/0chain/gosdk/zboxcore/sdk"
"github.com/0chain/gosdk/zboxcore/zboxutil"
"github.com/0chain/zboxcli/util"
"github.com/spf13/cobra"
)
var createDirCmd = &cobra.Command{
Use: "createdir",
Short: "Create directory",
Long: `Create directory`,
Args: cobra.MinimumNArgs(0),
Run: func(cmd *cobra.Command, args []string) {
fflags := cmd.Flags() // fflags is a *flag.FlagSet
if !fflags.Changed("allocation") { // check if the flag "path" is set
PrintError("Error: allocation flag is missing") // If not, we'll let the user know
os.Exit(1) // and return
}
if !fflags.Changed("dirname") {
PrintError("Error: dirname flag is missing")
os.Exit(1)
}
allocationID := cmd.Flag("allocation").Value.String()
allocationObj, err := sdk.GetAllocation(allocationID)
if err != nil {
PrintError("Error fetching the allocation", err)
os.Exit(1)
}
dirname := cmd.Flag("dirname").Value.String()
if err != nil {
PrintError("CreateDir failed: ", err)
os.Exit(1)
}
err = allocationObj.CreateDir(dirname)
if err != nil {
PrintError("CreateDir failed: ", err)
os.Exit(1)
}
fmt.Println(dirname + " directory created")
},
}
// uploadCmd represents upload command
var uploadCmd = &cobra.Command{
Use: "upload",
Short: "upload file to blobbers",
Long: `upload file to blobbers`,
Args: cobra.MinimumNArgs(0),
Run: func(cmd *cobra.Command, args []string) {
fflags := cmd.Flags() // fflags is a *flag.FlagSet
if !fflags.Changed("allocation") { // check if the flag "path" is set
PrintError("Error: allocation flag is missing") // If not, we'll let the user know
os.Exit(1) // and return
}
if !fflags.Changed("remotepath") {
PrintError("Error: remotepath flag is missing")
os.Exit(1)
}
if !fflags.Changed("localpath") {
PrintError("Error: localpath flag is missing")
os.Exit(1)
}
allocationID := cmd.Flag("allocation").Value.String()
allocationObj, err := sdk.GetAllocation(allocationID)
if err != nil {
PrintError("Error fetching the allocation.", err)
os.Exit(1)
}
remotepath := cmd.Flag("remotepath").Value.String()
localpath := cmd.Flag("localpath").Value.String()
thumbnailpath := cmd.Flag("thumbnailpath").Value.String()
encrypt, _ := cmd.Flags().GetBool("encrypt")
commit, _ := cmd.Flags().GetBool("commit")
wg := &sync.WaitGroup{}
statusBar := &StatusBar{wg: wg}
wg.Add(1)
if strings.HasPrefix(remotepath, "/Encrypted") {
encrypt = true
}
var attrs fileref.Attributes
if fflags.Changed("attr-who-pays-for-reads") {
var (
wp common.WhoPays
wps string
)
if wps, err = fflags.GetString("attr-who-pays-for-reads"); err != nil {
log.Fatalf("getting 'attr-who-pays-for-reads' flag: %v", err)
}
if err = wp.Parse(wps); err != nil {
log.Fatal(err)
}
attrs.WhoPaysForReads = wp // set given value
}
live, _ := cmd.Flags().GetBool("live")
sync, _ := cmd.Flags().GetBool("sync")
chunkSize, _ := cmd.Flags().GetInt("chunksize")
if live {
// capture video and audio from local default camera and micrlphone, and upload it to zcn
err = startLiveUpload(cmd, allocationObj, localpath, remotepath, encrypt, chunkSize, attrs)
} else if sync {
// download video from remote live feed(eg youtube), and sync it to zcn
err = startSyncUpload(cmd, allocationObj, localpath, remotepath, encrypt, chunkSize, attrs)
} else {
err = startChunkedUpload(cmd, allocationObj, localpath, thumbnailpath, remotepath, encrypt, chunkSize, attrs, statusBar, false)
}
if err != nil {
PrintError("Upload failed.", err)
os.Exit(1)
}
wg.Wait()
if !statusBar.success {
os.Exit(1)
}
if commit {
remotepath = zboxutil.GetFullRemotePath(localpath, remotepath)
statusBar.wg.Add(1)
commitMetaTxn(remotepath, "Upload", "", "", allocationObj, nil, statusBar)
statusBar.wg.Wait()
}
},
}
func startChunkedUpload(cmd *cobra.Command, allocationObj *sdk.Allocation, localPath, thumbnailPath, remotePath string, encrypt bool, chunkSize int, attrs fileref.Attributes, statusBar sdk.StatusCallback, isUpdate bool) error {
fileReader, err := os.Open(localPath)
if err != nil {
return err
}
defer fileReader.Close()
fileInfo, err := fileReader.Stat()
if err != nil {
return err
}
mimeType, err := zboxutil.GetFileContentType(fileReader)
if err != nil {
return err
}
remotePath = zboxutil.RemoteClean(remotePath)
isabs := zboxutil.IsRemoteAbs(remotePath)
if !isabs {
err = thrown.New("invalid_path", "Path should be valid and absolute")
return err
}
remotePath = zboxutil.GetFullRemotePath(localPath, remotePath)
_, fileName := filepath.Split(remotePath)
fileMeta := sdk.FileMeta{
Path: localPath,
ActualSize: fileInfo.Size(),
MimeType: mimeType,
RemoteName: fileName,
RemotePath: remotePath,
Attributes: attrs,
}
ChunkedUpload, err := sdk.CreateChunkedUpload(util.GetHomeDir(), allocationObj, fileMeta, fileReader, isUpdate, false,
sdk.WithThumbnailFile(thumbnailPath),
sdk.WithChunkSize(int64(chunkSize)),
sdk.WithEncrypt(encrypt),
sdk.WithStatusCallback(statusBar))
if err != nil {
return err
}
return ChunkedUpload.Start()
}
func startLiveUpload(cmd *cobra.Command, allocationObj *sdk.Allocation, localPath string, remotePath string, encrypt bool, chunkSize int, attrs fileref.Attributes) error {
delay, _ := cmd.Flags().GetInt("delay")
reader, err := sdk.CreateFfmpegRecorder(localPath, delay)
if err != nil {
return err
}
defer reader.Close()
mimeType, err := reader.GetFileContentType()
if err != nil {
return err
}
remotePath = zboxutil.RemoteClean(remotePath)
isabs := zboxutil.IsRemoteAbs(remotePath)
if !isabs {
err = thrown.New("invalid_path", "Path should be valid and absolute")
return err
}
remotePath = zboxutil.GetFullRemotePath(localPath, remotePath)
_, fileName := filepath.Split(remotePath)
liveMeta := sdk.LiveMeta{
MimeType: mimeType,
RemoteName: fileName,
RemotePath: remotePath,
Attributes: attrs,
}
liveUpload := sdk.CreateLiveUpload(util.GetHomeDir(), allocationObj, liveMeta, reader,
sdk.WithLiveChunkSize(chunkSize),
sdk.WithLiveEncrypt(encrypt),
sdk.WithLiveStatusCallback(func() sdk.StatusCallback {
wg := &sync.WaitGroup{}
statusBar := &StatusBar{wg: wg}
wg.Add(1)
return statusBar
}),
sdk.WithLiveDelay(delay))
return liveUpload.Start()
}
func startSyncUpload(cmd *cobra.Command, allocationObj *sdk.Allocation, localPath, remotePath string, encrypt bool, chunkSize int, attrs fileref.Attributes) error {
downloadArgs, _ := cmd.Flags().GetString("downloader-args")
ffmpegArgs, _ := cmd.Flags().GetString("ffmpeg-args")
delay, _ := cmd.Flags().GetInt("delay")
feed, _ := cmd.Flags().GetString("feed")
if len(feed) == 0 {
return thrown.New("invalid_path", "feed should be valid")
}
reader, err := sdk.CreateYoutubeDL(sdk.NewSignalContext(context.TODO()), localPath, feed, util.SplitArgs(downloadArgs), util.SplitArgs(ffmpegArgs), delay)
if err != nil {
return err
}
defer reader.Close()
mimeType, err := reader.GetFileContentType()
if err != nil {
return err
}
remotePath = zboxutil.RemoteClean(remotePath)
isabs := zboxutil.IsRemoteAbs(remotePath)
if !isabs {
err = thrown.New("invalid_path", "Path should be valid and absolute")
return err
}
remotePath = zboxutil.GetFullRemotePath(localPath, remotePath)
_, fileName := filepath.Split(remotePath)
liveMeta := sdk.LiveMeta{
MimeType: mimeType,
RemoteName: fileName,
RemotePath: remotePath,
Attributes: attrs,
}
syncUpload := sdk.CreateLiveUpload(util.GetHomeDir(), allocationObj, liveMeta, reader,
sdk.WithLiveChunkSize(chunkSize),
sdk.WithLiveEncrypt(encrypt),
sdk.WithLiveStatusCallback(func() sdk.StatusCallback {
wg := &sync.WaitGroup{}
statusBar := &StatusBar{wg: wg}
wg.Add(1)
return statusBar
}),
sdk.WithLiveDelay(delay))
return syncUpload.Start()
}
func init() {
rootCmd.AddCommand(uploadCmd)
rootCmd.AddCommand(createDirCmd)
uploadCmd.PersistentFlags().String("allocation", "", "Allocation ID")
uploadCmd.PersistentFlags().String("remotepath", "", "Remote path to upload")
uploadCmd.PersistentFlags().String("localpath", "", "Local path of file to upload")
uploadCmd.PersistentFlags().String("thumbnailpath", "", "Local thumbnail path of file to upload")
uploadCmd.PersistentFlags().String("attr-who-pays-for-reads", "owner", "Who pays for reads: owner or 3rd_party")
uploadCmd.Flags().Bool("encrypt", false, "pass this option to encrypt and upload the file")
uploadCmd.Flags().Bool("commit", false, "pass this option to commit the metadata transaction")
uploadCmd.Flags().Int("chunksize", sdk.CHUNK_SIZE, "chunk size")
uploadCmd.Flags().Int("delay", 5, "set segment duration to seconds. only works with --live and --sync. default duration is 5s.")
// SyncUpload
uploadCmd.Flags().Bool("sync", false, "enable SyncUpload from remote live feed. disabled by default.")
uploadCmd.Flags().String("feed", "", "set remote live feed to url. only works with --sync.")
uploadCmd.Flags().String("downloader-args", "-q -f best", "pass args to youtube-dl to download video. default is \"-q\". only works with --sync.")
uploadCmd.Flags().String("ffmpeg-args", "-loglevel warning", "pass args to ffmpeg to build segments. default is \"-loglevel warning\". only works with --sync.")
// LiveUpload
uploadCmd.Flags().Bool("live", false, "enable LiveUpload from local devices. disabled by default.")
uploadCmd.MarkFlagRequired("allocation")
uploadCmd.MarkFlagRequired("remotepath")
uploadCmd.MarkFlagRequired("localpath")
createDirCmd.PersistentFlags().String("allocation", "", "Allocation ID")
createDirCmd.PersistentFlags().String("dirname", "", "New directory name")
createDirCmd.MarkFlagRequired("allocation")
createDirCmd.MarkFlagRequired("dirname")
}