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Diffstat (limited to '')
-rw-r--r-- | src/librbd/plugin/Types.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/src/librbd/plugin/Types.h b/src/librbd/plugin/Types.h new file mode 100644 index 000000000..b66d754ac --- /dev/null +++ b/src/librbd/plugin/Types.h @@ -0,0 +1,45 @@ +// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- +// vim: ts=8 sw=2 smarttab + +#ifndef CEPH_LIBRBD_PLUGIN_TYPES_H +#define CEPH_LIBRBD_PLUGIN_TYPES_H + +#include "include/common_fwd.h" +#include "include/Context.h" +#include "common/PluginRegistry.h" +#include "librbd/cache/ImageWriteback.h" + +namespace librbd { +namespace plugin { + +template <typename> struct Api; + +struct HookPoints { + virtual ~HookPoints() { + } + virtual void acquired_exclusive_lock(Context* on_finish) = 0; + virtual void prerelease_exclusive_lock(Context* on_finish) = 0; + virtual void discard(Context* on_finish) { + on_finish->complete(0); + } +}; + +typedef std::list<std::unique_ptr<HookPoints>> PluginHookPoints; + +template <typename ImageCtxT> +struct Interface : public ceph::Plugin { + Interface(CephContext* cct) : Plugin(cct) { + } + + virtual ~Interface() { + } + + virtual void init(ImageCtxT* image_ctx, Api<ImageCtxT>& api, + librbd::cache::ImageWritebackInterface& image_writeback, + PluginHookPoints& hook_points_list, Context* on_finish) = 0; +}; + +} // namespace plugin +} // namespace librbd + +#endif // CEPH_LIBRBD_PLUGIN_TYPES_H |