// Upload instructs the renter to start tracking a file. The renter will
// automatically upload and repair tracked files using a background loop.
func (r *Renter) Upload(up modules.FileUploadParams) error {
// Check for a nickname conflict.
lockID := r.mu.RLock()
_, exists := r.files[up.Nickname]
r.mu.RUnlock(lockID)
if exists {
return errors.New("file with that nickname already exists")
}
// Fill in any missing upload params with sensible defaults.
fileInfo, err := os.Stat(up.Filename)
if err != nil {
return err
}
// TODO: remove this; default duration should be 0 (indefinite)
if up.Duration == 0 {
up.Duration = defaultDuration
}
if up.ErasureCode == nil {
up.ErasureCode, _ = NewRSCode(defaultDataPieces, defaultParityPieces)
}
if up.PieceSize == 0 {
if fileInfo.Size() > defaultPieceSize {
up.PieceSize = defaultPieceSize
} else {
up.PieceSize = smallPieceSize
}
}
// Check that we have enough money to finance the upload.
err = r.checkWalletBalance(up)
if err != nil {
return err
}
// Create file object.
f := newFile(up.Nickname, up.ErasureCode, up.PieceSize, uint64(fileInfo.Size()))
f.mode = uint32(fileInfo.Mode())
// Add file to renter.
lockID = r.mu.Lock()
r.files[up.Nickname] = f
r.tracking[up.Nickname] = trackedFile{
RepairPath: up.Filename,
EndHeight: r.blockHeight + up.Duration,
}
r.save()
r.mu.Unlock(lockID)
// Save the .sia file to the renter directory.
err = r.saveFile(f)
if err != nil {
return err
}
return nil
}
// Upload takes an upload parameters, which contain a file to upload, and then
// creates a redundant copy of the file on the Sia network.
func (r *Renter) Upload(up modules.FileUploadParams) error {
// Open the file.
handle, err := os.Open(up.Filename)
if err != nil {
return err
}
defer handle.Close()
// Check for a nickname conflict.
lockID := r.mu.RLock()
_, exists := r.files[up.Nickname]
r.mu.RUnlock(lockID)
if exists {
return errors.New("file with that nickname already exists")
}
// Check that the file is less than 5 GiB.
fileInfo, err := handle.Stat()
if err != nil {
return err
}
// NOTE: The upload max of 5 GiB is temporary and therefore does not have
// a constant. This should be removed once micropayments + upload resuming
// are in place. 5 GiB is chosen to prevent confusion - on anybody's
// machine any file appearing to be under 5 GB will be below the hard
// limit.
if fileInfo.Size() > 5*1024*1024*1024 {
return errors.New("cannot upload a file larger than 5 GB")
}
// Fill in any missing upload params with sensible defaults.
if up.Duration == 0 {
up.Duration = defaultDuration
}
if up.ErasureCode == nil {
up.ErasureCode, _ = NewRSCode(defaultDataPieces, defaultParityPieces)
}
if up.PieceSize == 0 {
if fileInfo.Size() > defaultPieceSize {
up.PieceSize = defaultPieceSize
} else {
up.PieceSize = smallPieceSize
}
}
// Check that we have enough money to finance the upload.
err = r.checkWalletBalance(up)
if err != nil {
return err
}
// Create file object.
f := newFile(up.Nickname, up.ErasureCode, up.PieceSize, uint64(fileInfo.Size()))
f.mode = uint32(fileInfo.Mode())
// Select and connect to hosts.
totalsize := up.PieceSize * uint64(up.ErasureCode.NumPieces()) * f.numChunks()
var hosts []uploader
randHosts := r.hostDB.RandomHosts(up.ErasureCode.NumPieces())
for i := range randHosts {
hostUploader, err := r.newHostUploader(randHosts[i], totalsize, up.Duration, f.masterKey)
if err != nil {
r.log.Printf("Upload: could not form contract with %v: %v", randHosts[i].IPAddress, err)
continue
}
defer hostUploader.Close()
hosts = append(hosts, hostUploader)
}
if len(hosts) < up.ErasureCode.MinPieces() {
return errors.New("not enough hosts to support upload")
}
// Add file to renter.
lockID = r.mu.Lock()
r.files[up.Nickname] = f
r.save()
r.mu.Unlock(lockID)
// Upload in parallel.
err = f.upload(handle, hosts)
if err != nil {
// Upload failed; remove the file object.
lockID = r.mu.Lock()
delete(r.files, up.Nickname)
r.save()
r.mu.Unlock(lockID)
return errors.New("failed to upload any file pieces")
}
// Add file to repair set.
lockID = r.mu.Lock()
r.repairSet[up.Nickname] = up.Filename
r.save()
r.mu.Unlock(lockID)
// Save the .sia file to the renter directory.
err = r.saveFile(f)
if err != nil {
return err
}
return nil
}
// Upload instructs the renter to start tracking a file. The renter will
// automatically upload and repair tracked files using a background loop.
func (r *Renter) Upload(up modules.FileUploadParams) error {
// Enforce nickname rules.
if strings.HasPrefix(up.SiaPath, "/") {
return errors.New("nicknames cannot begin with /")
}
// Check for a nickname conflict.
lockID := r.mu.RLock()
_, exists := r.files[up.SiaPath]
r.mu.RUnlock(lockID)
if exists {
return ErrPathOverload
}
// Fill in any missing upload params with sensible defaults.
fileInfo, err := os.Stat(up.Source)
if err != nil {
return err
}
if up.Duration == 0 {
up.Duration = defaultDuration
}
endHeight := r.cs.Height() + up.Duration
if up.ErasureCode == nil {
up.ErasureCode, _ = NewRSCode(defaultDataPieces, defaultParityPieces)
}
if up.PieceSize == 0 {
if fileInfo.Size() > defaultPieceSize {
up.PieceSize = defaultPieceSize
} else {
up.PieceSize = smallPieceSize
}
}
// Check that we have enough money to finance the upload.
err = r.checkWalletBalance(up)
if err != nil {
return err
}
// Create file object.
f := newFile(up.SiaPath, up.ErasureCode, up.PieceSize, uint64(fileInfo.Size()))
f.mode = uint32(fileInfo.Mode())
// Add file to renter.
lockID = r.mu.Lock()
r.files[up.SiaPath] = f
r.tracking[up.SiaPath] = trackedFile{
RepairPath: up.Source,
EndHeight: endHeight,
Renew: up.Renew,
}
r.save()
r.mu.Unlock(lockID)
// Save the .sia file to the renter directory.
err = r.saveFile(f)
if err != nil {
return err
}
return nil
}
// Upload instructs the renter to start tracking a file. The renter will
// automatically upload and repair tracked files using a background loop.
func (r *Renter) Upload(up modules.FileUploadParams) error {
// Check for a nickname conflict.
lockID := r.mu.RLock()
_, exists := r.files[up.Nickname]
r.mu.RUnlock(lockID)
if exists {
return errors.New("file with that nickname already exists")
}
// Check that the file is less than 5 GiB.
fileInfo, err := os.Stat(up.Filename)
if err != nil {
return err
}
// NOTE: The upload max of 20 GiB is temporary and therefore does not have
// a constant. This should be removed once micropayments + upload resuming
// are in place. 20 GiB is chosen to prevent confusion - on anybody's
// machine any file appearing to be under 20 GB will be below the hard
// limit.
if fileInfo.Size() > 20*1024*1024*1024 {
return errors.New("cannot upload a file larger than 20 GB")
}
// Fill in any missing upload params with sensible defaults.
if up.Duration == 0 {
up.Duration = defaultDuration
}
if up.ErasureCode == nil {
up.ErasureCode, _ = NewRSCode(defaultDataPieces, defaultParityPieces)
}
if up.PieceSize == 0 {
if fileInfo.Size() > defaultPieceSize {
up.PieceSize = defaultPieceSize
} else {
up.PieceSize = smallPieceSize
}
}
// Check that we have enough money to finance the upload.
err = r.checkWalletBalance(up)
if err != nil {
return err
}
// Create file object.
f := newFile(up.Nickname, up.ErasureCode, up.PieceSize, uint64(fileInfo.Size()))
f.mode = uint32(fileInfo.Mode())
// Add file to renter.
lockID = r.mu.Lock()
r.files[up.Nickname] = f
r.repairSet[up.Nickname] = up.Filename
r.save()
r.mu.Unlock(lockID)
// Save the .sia file to the renter directory.
err = r.saveFile(f)
if err != nil {
return err
}
return nil
}
