// Append appends len(data) bytes to the object with key oid.
// The object is appended with the provided data. If the object exists,
// it is atomically appended to. It returns an error, if any.
func (ioctx *IOContext) Append(oid string, data []byte) error {
c_oid := C.CString(oid)
defer C.free(unsafe.Pointer(c_oid))
ret := C.rados_append(ioctx.ioctx, c_oid,
(*C.char)(unsafe.Pointer(&data[0])),
(C.size_t)(len(data)))
return GetRadosError(ret)
}
func (r *RadosIoCtx) Append(oid string, bin []byte) error {
coid := C.CString(oid)
defer func() {
C.free(unsafe.Pointer(coid))
}()
cerr := C.rados_append(*r.ctx, coid, (*C.char)(unsafe.Pointer(&bin[0])), C.size_t(len(bin)))
if cerr < 0 {
return errors.New("append data failed")
}
return nil
}
// Append appends new data to the object
func (o *Object) Append(data io.Reader) error {
oid := C.CString(o.name)
defer freeString(oid)
bufAddr, length := readerToBuf(data)
ret := C.rados_append(o.ioContext, oid, bufAddr, length)
if err := toRadosError(ret); err != nil {
err.Message = fmt.Sprintf("Unable to append data to object %s", o.name)
return err
}
return nil
}
// Append writes the given data to the end of the named object
// in the pool referenced by the given context.
func (c *Context) Append(name string, data []byte) error {
cname := C.CString(name)
defer C.free(unsafe.Pointer(cname))
cdata, cdatalen := byteSliceToBuffer(data)
if cerr := C.rados_append(c.ctx, cname, cdata, cdatalen); cerr < 0 {
return fmt.Errorf("RADOS put %s: %s", name, strerror(cerr))
}
return nil
}
// Append writes the given data to the end of the named object
// in the pool referenced by the given context.
func (c *Context) Append(name string, data []byte) error {
cname := C.CString(name)
defer C.free(unsafe.Pointer(cname))
cdata, cdatalen := byteSliceToBuffer(data)
if cerr := C.rados_append(c.ctx, cname, cdata, cdatalen); cerr < 0 {
return radosReturnCodeError(cerr)
}
return nil
}