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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
#include "MirrorStatusWatcher.h"
#include "common/debug.h"
#include "common/errno.h"
#include "cls/rbd/cls_rbd_client.h"
#include "librbd/Utils.h"
#define dout_context g_ceph_context
#define dout_subsys ceph_subsys_rbd_mirror
#undef dout_prefix
#define dout_prefix *_dout << "rbd::mirror::MirrorStatusWatcher: " \
<< this << " " << __func__ << ": "
namespace rbd {
namespace mirror {
using librbd::util::create_rados_callback;
template <typename I>
MirrorStatusWatcher<I>::MirrorStatusWatcher(librados::IoCtx &io_ctx,
librbd::asio::ContextWQ *work_queue)
: Watcher(io_ctx, work_queue, RBD_MIRRORING) {
}
template <typename I>
MirrorStatusWatcher<I>::~MirrorStatusWatcher() {
}
template <typename I>
void MirrorStatusWatcher<I>::init(Context *on_finish) {
dout(20) << dendl;
on_finish = new LambdaContext(
[this, on_finish] (int r) {
if (r < 0) {
derr << "error removing down statuses: " << cpp_strerror(r) << dendl;
on_finish->complete(r);
return;
}
register_watch(on_finish);
});
librados::ObjectWriteOperation op;
librbd::cls_client::mirror_image_status_remove_down(&op);
librados::AioCompletion *aio_comp = create_rados_callback(on_finish);
int r = m_ioctx.aio_operate(RBD_MIRRORING, aio_comp, &op);
ceph_assert(r == 0);
aio_comp->release();
}
template <typename I>
void MirrorStatusWatcher<I>::shut_down(Context *on_finish) {
dout(20) << dendl;
unregister_watch(on_finish);
}
template <typename I>
void MirrorStatusWatcher<I>::handle_notify(uint64_t notify_id, uint64_t handle,
uint64_t notifier_id,
bufferlist &bl) {
dout(20) << dendl;
bufferlist out;
acknowledge_notify(notify_id, handle, out);
}
} // namespace mirror
} // namespace rbd
template class rbd::mirror::MirrorStatusWatcher<librbd::ImageCtx>;
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