func (objSrv *ObjectServer) addObject(reader io.Reader, length uint64,
expectedHash *hash.Hash) (hash.Hash, bool, error) {
hashVal, data, err := objectcache.ReadObject(reader, length, expectedHash)
if err != nil {
return hashVal, false, err
}
length = uint64(len(data))
filename := path.Join(objSrv.baseDir, objectcache.HashToFilename(hashVal))
// Check for existing object and collision.
fi, err := os.Lstat(filename)
if err == nil {
if !fi.Mode().IsRegular() {
return hashVal, false, errors.New("Existing non-file: " + filename)
}
if err := collisionCheck(data, filename, fi.Size()); err != nil {
return hashVal, false, errors.New(
"Collision detected: " + err.Error())
}
// No collision and no error: it's the same object. Go home early.
return hashVal, false, nil
}
if err = os.MkdirAll(path.Dir(filename), syscall.S_IRWXU); err != nil {
return hashVal, false, err
}
if err := fsutil.CopyToFile(filename, filePerms, bytes.NewReader(data),
length); err != nil {
return hashVal, false, err
}
objSrv.rwLock.Lock()
objSrv.sizesMap[hashVal] = uint64(len(data))
objSrv.rwLock.Unlock()
return hashVal, true, nil
}
func (objSrv *objectServer) AddObject(reader io.Reader, length uint64,
expectedHash *hash.Hash) (hash.Hash, bool, error) {
hashVal, data, err := objectcache.ReadObject(reader, length, expectedHash)
if err != nil {
return hashVal, false, err
}
filename := path.Join(objSrv.baseDir, objectcache.HashToFilename(hashVal))
if err = os.MkdirAll(path.Dir(filename), dirPerms); err != nil {
return hashVal, false, err
}
if err := fsutil.CopyToFile(filename, filePerms, bytes.NewReader(data),
length); err != nil {
return hashVal, false, err
}
return hashVal, true, nil
}
func (objSrv *ObjectServer) addObject(reader io.Reader, length uint64,
expectedHash *hash.Hash) (hash.Hash, bool, error) {
hashVal, data, err := objectcache.ReadObject(reader, length, expectedHash)
if err != nil {
return hashVal, false, err
}
// Check for existing object and collision.
objSrv.rwLock.RLock()
oldData, ok := objSrv.objectMap[hashVal]
objSrv.rwLock.RUnlock()
if ok {
if err := collisionCheck(data, oldData); err != nil {
return hashVal, false, errors.New(
"collision detected: " + err.Error())
}
// No collision and no error: it's the same object. Go home early.
return hashVal, false, nil
}
objSrv.rwLock.Lock()
objSrv.objectMap[hashVal] = data
objSrv.rwLock.Unlock()
return hashVal, true, nil
}