remove ceph code

[stor4nfv.git] / src / ceph / src / librbd / managed_lock / GetLockerRequest.cc

diff --git a/src/ceph/src/librbd/managed_lock/GetLockerRequest.cc b/src/ceph/src/librbd/managed_lock/GetLockerRequest.cc
deleted file mode 100644 (file)
index 7a50230..0000000
--- a/src/ceph/src/librbd/managed_lock/GetLockerRequest.cc
+++ /dev/null
@@ -1,131 +0,0 @@
-// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
-// vim: ts=8 sw=2 smarttab
-
-#include "librbd/managed_lock/GetLockerRequest.h"
-#include "cls/lock/cls_lock_client.h"
-#include "cls/lock/cls_lock_types.h"
-#include "common/dout.h"
-#include "common/errno.h"
-#include "include/stringify.h"
-#include "librbd/ImageCtx.h"
-#include "librbd/Utils.h"
-#include "librbd/managed_lock/Types.h"
-#include "librbd/managed_lock/Utils.h"
-
-#define dout_subsys ceph_subsys_rbd
-#undef dout_prefix
-#define dout_prefix *_dout << "librbd::managed_lock::GetLockerRequest: " \
-                           << this << " " << __func__ << ": "
-
-namespace librbd {
-namespace managed_lock {
-
-using librbd::util::create_rados_callback;
-
-template <typename I>
-GetLockerRequest<I>::GetLockerRequest(librados::IoCtx& ioctx,
-                                     const std::string& oid, bool exclusive,
-                                      Locker *locker, Context *on_finish)
-  : m_ioctx(ioctx), m_cct(reinterpret_cast<CephContext *>(m_ioctx.cct())),
-    m_oid(oid), m_exclusive(exclusive), m_locker(locker),
-    m_on_finish(on_finish) {
-}
-
-template <typename I>
-void GetLockerRequest<I>::send() {
-  send_get_lockers();
-}
-
-template <typename I>
-void GetLockerRequest<I>::send_get_lockers() {
-  ldout(m_cct, 10) << dendl;
-
-  librados::ObjectReadOperation op;
-  rados::cls::lock::get_lock_info_start(&op, RBD_LOCK_NAME);
-
-  using klass = GetLockerRequest<I>;
-  librados::AioCompletion *rados_completion =
-    create_rados_callback<klass, &klass::handle_get_lockers>(this);
-  m_out_bl.clear();
-  int r = m_ioctx.aio_operate(m_oid, rados_completion, &op, &m_out_bl);
-  assert(r == 0);
-  rados_completion->release();
-}
-
-template <typename I>
-void GetLockerRequest<I>::handle_get_lockers(int r) {
-  ldout(m_cct, 10) << "r=" << r << dendl;
-
-  std::map<rados::cls::lock::locker_id_t,
-           rados::cls::lock::locker_info_t> lockers;
-  ClsLockType lock_type = LOCK_NONE;
-  std::string lock_tag;
-  if (r == 0) {
-    bufferlist::iterator it = m_out_bl.begin();
-    r = rados::cls::lock::get_lock_info_finish(&it, &lockers, &lock_type,
-                                               &lock_tag);
-  }
-
-  if (r < 0) {
-    lderr(m_cct) << "failed to retrieve lockers: " << cpp_strerror(r) << dendl;
-    finish(r);
-    return;
-  }
-
-  if (lockers.empty()) {
-    ldout(m_cct, 20) << "no lockers detected" << dendl;
-    finish(-ENOENT);
-    return;
-  }
-
-  if (lock_tag != util::get_watcher_lock_tag()) {
-    ldout(m_cct, 5) <<"locked by external mechanism: tag=" << lock_tag << dendl;
-    finish(-EBUSY);
-    return;
-  }
-
-  if (m_exclusive && lock_type == LOCK_SHARED) {
-    ldout(m_cct, 5) << "incompatible shared lock type detected" << dendl;
-    finish(-EBUSY);
-    return;
-  } else if (!m_exclusive && lock_type == LOCK_EXCLUSIVE) {
-    ldout(m_cct, 5) << "incompatible exclusive lock type detected" << dendl;
-    finish(-EBUSY);
-    return;
-  }
-
-  std::map<rados::cls::lock::locker_id_t,
-           rados::cls::lock::locker_info_t>::iterator iter = lockers.begin();
-  if (!util::decode_lock_cookie(iter->first.cookie, &m_locker->handle)) {
-    ldout(m_cct, 5) << "locked by external mechanism: "
-                   << "cookie=" << iter->first.cookie << dendl;
-    finish(-EBUSY);
-    return;
-  }
-
-  m_locker->entity = iter->first.locker;
-  m_locker->cookie = iter->first.cookie;
-  m_locker->address = stringify(iter->second.addr);
-  if (m_locker->cookie.empty() || m_locker->address.empty()) {
-    ldout(m_cct, 20) << "no valid lockers detected" << dendl;
-    finish(-ENOENT);
-    return;
-  }
-
-  ldout(m_cct, 10) << "retrieved exclusive locker: "
-                 << m_locker->entity << "@" << m_locker->address << dendl;
-  finish(0);
-}
-
-template <typename I>
-void GetLockerRequest<I>::finish(int r) {
-  ldout(m_cct, 10) << "r=" << r << dendl;
-
-  m_on_finish->complete(r);
-  delete this;
-}
-
-} // namespace managed_lock
-} // namespace librbd
-
-template class librbd::managed_lock::GetLockerRequest<librbd::ImageCtx>;