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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 18:24:20 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 18:24:20 +0000 |
commit | 483eb2f56657e8e7f419ab1a4fab8dce9ade8609 (patch) | |
tree | e5d88d25d870d5dedacb6bbdbe2a966086a0a5cf /src/librbd/managed_lock/BreakRequest.h | |
parent | Initial commit. (diff) | |
download | ceph-483eb2f56657e8e7f419ab1a4fab8dce9ade8609.tar.xz ceph-483eb2f56657e8e7f419ab1a4fab8dce9ade8609.zip |
Adding upstream version 14.2.21.upstream/14.2.21upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/librbd/managed_lock/BreakRequest.h')
-rw-r--r-- | src/librbd/managed_lock/BreakRequest.h | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/src/librbd/managed_lock/BreakRequest.h b/src/librbd/managed_lock/BreakRequest.h new file mode 100644 index 00000000..4531a3c5 --- /dev/null +++ b/src/librbd/managed_lock/BreakRequest.h @@ -0,0 +1,111 @@ +// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- +// vim: ts=8 sw=2 smarttab + +#ifndef CEPH_LIBRBD_MANAGED_LOCK_BREAK_REQUEST_H +#define CEPH_LIBRBD_MANAGED_LOCK_BREAK_REQUEST_H + +#include "include/int_types.h" +#include "include/buffer_fwd.h" +#include "include/rados/librados_fwd.hpp" +#include "msg/msg_types.h" +#include <list> +#include <string> +#include <boost/optional.hpp> +#include "librbd/managed_lock/Types.h" + +class Context; +class ContextWQ; +class obj_watch_t; + +namespace librbd { + +class ImageCtx; +template <typename> class Journal; + +namespace managed_lock { + +template <typename ImageCtxT = ImageCtx> +class BreakRequest { +public: + static BreakRequest* create(librados::IoCtx& ioctx, ContextWQ *work_queue, + const std::string& oid, const Locker &locker, + bool exclusive, bool blacklist_locker, + uint32_t blacklist_expire_seconds, + bool force_break_lock, Context *on_finish) { + return new BreakRequest(ioctx, work_queue, oid, locker, exclusive, + blacklist_locker, blacklist_expire_seconds, + force_break_lock, on_finish); + } + + void send(); + +private: + /** + * @verbatim + * + * <start> + * | + * v + * GET_WATCHERS + * | + * v + * GET_LOCKER + * | + * v + * BLACKLIST (skip if disabled) + * | + * v + * BREAK_LOCK + * | + * v + * <finish> + * + * @endvertbatim + */ + + librados::IoCtx &m_ioctx; + CephContext *m_cct; + ContextWQ *m_work_queue; + std::string m_oid; + Locker m_locker; + bool m_exclusive; + bool m_blacklist_locker; + uint32_t m_blacklist_expire_seconds; + bool m_force_break_lock; + Context *m_on_finish; + + bufferlist m_out_bl; + + std::list<obj_watch_t> m_watchers; + int m_watchers_ret_val; + + Locker m_refreshed_locker; + + BreakRequest(librados::IoCtx& ioctx, ContextWQ *work_queue, + const std::string& oid, const Locker &locker, + bool exclusive, bool blacklist_locker, + uint32_t blacklist_expire_seconds, bool force_break_lock, + Context *on_finish); + + void send_get_watchers(); + void handle_get_watchers(int r); + + void send_get_locker(); + void handle_get_locker(int r); + + void send_blacklist(); + void handle_blacklist(int r); + + void send_break_lock(); + void handle_break_lock(int r); + + void finish(int r); + +}; + +} // namespace managed_lock +} // namespace librbd + +extern template class librbd::managed_lock::BreakRequest<librbd::ImageCtx>; + +#endif // CEPH_LIBRBD_MANAGED_LOCK_BREAK_REQUEST_H |