Adding upstream version 16.2.11+ds.upstream/16.2.11+dsupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 72 insertions, 0 deletions

diff --git a/src/librbd/managed_lock/ReleaseRequest.h b/src/librbd/managed_lock/ReleaseRequest.h
new file mode 100644
index 000000000..91d922282
--- /dev/null
+++ b/src/librbd/managed_lock/ReleaseRequest.h
@@ -0,0 +1,72 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#ifndef CEPH_LIBRBD_MANAGED_LOCK_RELEASE_REQUEST_H
+#define CEPH_LIBRBD_MANAGED_LOCK_RELEASE_REQUEST_H
+
+#include "include/rados/librados.hpp"
+#include "librbd/watcher/Types.h"
+#include <string>
+
+class Context;
+class ContextWQ;
+
+namespace librbd {
+
+class Watcher;
+namespace asio { struct ContextWQ; }
+
+namespace managed_lock {
+
+template <typename ImageCtxT>
+class ReleaseRequest {
+private:
+  typedef watcher::Traits<ImageCtxT> TypeTraits;
+  typedef typename TypeTraits::Watcher Watcher;
+
+public:
+  static ReleaseRequest* create(librados::IoCtx& ioctx, Watcher *watcher,
+                                asio::ContextWQ *work_queue,
+                                const std::string& oid,
+                                const std::string& cookie,
+                                Context *on_finish);
+
+  ~ReleaseRequest();
+  void send();
+
+private:
+  /**
+   * @verbatim
+   *
+   * <start>
+   *    |
+   *    v
+   * UNLOCK
+   *    |
+   *    v
+   * <finish>
+   *
+   * @endverbatim
+   */
+
+  ReleaseRequest(librados::IoCtx& ioctx, Watcher *watcher,
+                 asio::ContextWQ *work_queue, const std::string& oid,
+                 const std::string& cookie, Context *on_finish);
+
+  librados::IoCtx& m_ioctx;
+  Watcher *m_watcher;
+  std::string m_oid;
+  std::string m_cookie;
+  Context *m_on_finish;
+
+  void send_unlock();
+  void handle_unlock(int r);
+
+  void finish();
+
+};
+
+} // namespace managed_lock
+} // namespace librbd
+
+#endif // CEPH_LIBRBD_MANAGED_LOCK_RELEASE_REQUEST_H