1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
2 // vim: ts=8 sw=2 smarttab
4 #include "tools/rbd_mirror/image_replayer/GetMirrorImageIdRequest.h"
5 #include "include/rados/librados.hpp"
6 #include "cls/rbd/cls_rbd_client.h"
7 #include "common/errno.h"
8 #include "librbd/ImageCtx.h"
9 #include "librbd/Utils.h"
11 #define dout_context g_ceph_context
12 #define dout_subsys ceph_subsys_rbd_mirror
14 #define dout_prefix *_dout << "rbd::mirror::image_replayer::" \
15 << "GetMirrorImageIdRequest: " << this << " " \
20 namespace image_replayer {
22 using librbd::util::create_rados_callback;
25 void GetMirrorImageIdRequest<I>::send() {
31 void GetMirrorImageIdRequest<I>::get_image_id() {
34 // attempt to cross-reference a image id by the global image id
35 librados::ObjectReadOperation op;
36 librbd::cls_client::mirror_image_get_image_id_start(&op, m_global_image_id);
38 librados::AioCompletion *aio_comp = create_rados_callback<
39 GetMirrorImageIdRequest<I>,
40 &GetMirrorImageIdRequest<I>::handle_get_image_id>(
42 int r = m_io_ctx.aio_operate(RBD_MIRRORING, aio_comp, &op, &m_out_bl);
48 void GetMirrorImageIdRequest<I>::handle_get_image_id(int r) {
50 bufferlist::iterator iter = m_out_bl.begin();
51 r = librbd::cls_client::mirror_image_get_image_id_finish(
55 dout(20) << "r=" << r << ", "
56 << "image_id=" << *m_image_id << dendl;
60 dout(10) << "global image " << m_global_image_id << " not registered"
63 derr << "failed to retrieve image id: " << cpp_strerror(r) << dendl;
73 void GetMirrorImageIdRequest<I>::finish(int r) {
74 dout(20) << "r=" << r << dendl;
76 m_on_finish->complete(r);
80 } // namespace image_replayer
84 template class rbd::mirror::image_replayer::GetMirrorImageIdRequest<librbd::ImageCtx>;