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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
#include "librbd/mirror/ImageRemoveRequest.h"
#include "common/dout.h"
#include "common/errno.h"
#include "cls/rbd/cls_rbd_client.h"
#include "librbd/MirroringWatcher.h"
#include "librbd/Utils.h"
#define dout_subsys ceph_subsys_rbd
#undef dout_prefix
#define dout_prefix *_dout << "librbd::mirror::ImageRemoveRequest: " \
<< this << " " << __func__ << ": "
namespace librbd {
namespace mirror {
using util::create_rados_callback;
template <typename I>
ImageRemoveRequest<I>::ImageRemoveRequest(
librados::IoCtx& io_ctx, const std::string& global_image_id,
const std::string& image_id, Context* on_finish)
: m_io_ctx(io_ctx), m_global_image_id(global_image_id), m_image_id(image_id),
m_on_finish(on_finish), m_cct(static_cast<CephContext*>(m_io_ctx.cct())) {
}
template <typename I>
void ImageRemoveRequest<I>::send() {
remove_mirror_image();
}
template <typename I>
void ImageRemoveRequest<I>::remove_mirror_image() {
ldout(m_cct, 10) << dendl;
librados::ObjectWriteOperation op;
cls_client::mirror_image_remove(&op, m_image_id);
auto comp = create_rados_callback<
ImageRemoveRequest<I>,
&ImageRemoveRequest<I>::handle_remove_mirror_image>(this);
int r = m_io_ctx.aio_operate(RBD_MIRRORING, comp, &op);
ceph_assert(r == 0);
comp->release();
}
template <typename I>
void ImageRemoveRequest<I>::handle_remove_mirror_image(int r) {
ldout(m_cct, 10) << "r=" << r << dendl;
if (r < 0 && r != -ENOENT) {
lderr(m_cct) << "failed to remove mirroring image: " << cpp_strerror(r)
<< dendl;
finish(r);
return;
}
notify_mirroring_watcher();
}
template <typename I>
void ImageRemoveRequest<I>::notify_mirroring_watcher() {
ldout(m_cct, 10) << dendl;
auto ctx = util::create_context_callback<
ImageRemoveRequest<I>,
&ImageRemoveRequest<I>::handle_notify_mirroring_watcher>(this);
MirroringWatcher<I>::notify_image_updated(
m_io_ctx, cls::rbd::MIRROR_IMAGE_STATE_DISABLED,
m_image_id, m_global_image_id, ctx);
}
template <typename I>
void ImageRemoveRequest<I>::handle_notify_mirroring_watcher(int r) {
ldout(m_cct, 10) << "r=" << r << dendl;
if (r < 0) {
lderr(m_cct) << "failed to notify mirror image update: " << cpp_strerror(r)
<< dendl;
}
finish(0);
}
template <typename I>
void ImageRemoveRequest<I>::finish(int r) {
ldout(m_cct, 10) << "r=" << r << dendl;
m_on_finish->complete(r);
delete this;
}
} // namespace mirror
} // namespace librbd
template class librbd::mirror::ImageRemoveRequest<librbd::ImageCtx>;
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