Fix some bugs when testing opensds ansible
[stor4nfv.git] / src / ceph / src / tools / rbd_mirror / MirrorStatusWatcher.cc
1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
2 // vim: ts=8 sw=2 smarttab
3
4 #include "MirrorStatusWatcher.h"
5 #include "common/debug.h"
6 #include "common/errno.h"
7 #include "cls/rbd/cls_rbd_client.h"
8 #include "librbd/Utils.h"
9
10 #define dout_context g_ceph_context
11 #define dout_subsys ceph_subsys_rbd_mirror
12 #undef dout_prefix
13 #define dout_prefix *_dout << "rbd::mirror::MirrorStatusWatcher: " \
14                            << this << " " << __func__ << ": "
15
16 namespace rbd {
17 namespace mirror {
18
19 using librbd::util::create_rados_callback;
20
21 template <typename I>
22 MirrorStatusWatcher<I>::MirrorStatusWatcher(librados::IoCtx &io_ctx,
23                                             ContextWQ *work_queue)
24   : Watcher(io_ctx, work_queue, RBD_MIRRORING) {
25 }
26
27 template <typename I>
28 MirrorStatusWatcher<I>::~MirrorStatusWatcher() {
29 }
30
31 template <typename I>
32 void MirrorStatusWatcher<I>::init(Context *on_finish) {
33   dout(20) << dendl;
34
35   on_finish = new FunctionContext(
36     [this, on_finish] (int r) {
37       if (r < 0) {
38         derr << "error removing down statuses: " << cpp_strerror(r) << dendl;
39         on_finish->complete(r);
40         return;
41       }
42       register_watch(on_finish);
43     });
44
45   librados::ObjectWriteOperation op;
46   librbd::cls_client::mirror_image_status_remove_down(&op);
47   librados::AioCompletion *aio_comp = create_rados_callback(on_finish);
48
49   int r = m_ioctx.aio_operate(RBD_MIRRORING, aio_comp, &op);
50   assert(r == 0);
51   aio_comp->release();
52 }
53
54 template <typename I>
55 void MirrorStatusWatcher<I>::shut_down(Context *on_finish) {
56   dout(20) << dendl;
57
58   unregister_watch(on_finish);
59 }
60
61 template <typename I>
62 void MirrorStatusWatcher<I>::handle_notify(uint64_t notify_id, uint64_t handle,
63                                            uint64_t notifier_id,
64                                            bufferlist &bl) {
65   dout(20) << dendl;
66
67   bufferlist out;
68   acknowledge_notify(notify_id, handle, out);
69 }
70
71 } // namespace mirror
72 } // namespace rbd
73
74 template class rbd::mirror::MirrorStatusWatcher<librbd::ImageCtx>;