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Diffstat (limited to '')
-rw-r--r-- | src/librbd/mirror/ImageRemoveRequest.cc | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/src/librbd/mirror/ImageRemoveRequest.cc b/src/librbd/mirror/ImageRemoveRequest.cc new file mode 100644 index 000000000..1aa265dae --- /dev/null +++ b/src/librbd/mirror/ImageRemoveRequest.cc @@ -0,0 +1,98 @@ +// -*- 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>; |