From 19fcec84d8d7d21e796c7624e521b60d28ee21ed Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 20:45:59 +0200
Subject: Adding upstream version 16.2.11+ds.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../image_replayer/journal/SyncPointHandler.cc     | 109 +++++++++++++++++++++
 1 file changed, 109 insertions(+)
 create mode 100644 src/tools/rbd_mirror/image_replayer/journal/SyncPointHandler.cc

(limited to 'src/tools/rbd_mirror/image_replayer/journal/SyncPointHandler.cc')

diff --git a/src/tools/rbd_mirror/image_replayer/journal/SyncPointHandler.cc b/src/tools/rbd_mirror/image_replayer/journal/SyncPointHandler.cc
new file mode 100644
index 000000000..66d13e555
--- /dev/null
+++ b/src/tools/rbd_mirror/image_replayer/journal/SyncPointHandler.cc
@@ -0,0 +1,109 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#include "SyncPointHandler.h"
+#include "StateBuilder.h"
+#include "include/ceph_assert.h"
+#include "include/Context.h"
+#include "common/debug.h"
+#include "common/errno.h"
+#include "journal/Journaler.h"
+#include "librbd/ImageCtx.h"
+
+#define dout_context g_ceph_context
+#define dout_subsys ceph_subsys_rbd_mirror
+#undef dout_prefix
+#define dout_prefix *_dout << "rbd::mirror::image_replayer::journal::" \
+                           << "SyncPointHandler: " << this << " " \
+                           << __func__ << ": "
+
+namespace rbd {
+namespace mirror {
+namespace image_replayer {
+namespace journal {
+
+template <typename I>
+SyncPointHandler<I>::SyncPointHandler(StateBuilder<I>* state_builder)
+  : m_state_builder(state_builder),
+    m_client_meta_copy(state_builder->remote_client_meta) {
+}
+
+template <typename I>
+typename SyncPointHandler<I>::SyncPoints
+SyncPointHandler<I>::get_sync_points() const {
+  SyncPoints sync_points;
+  for (auto& sync_point : m_client_meta_copy.sync_points) {
+    sync_points.emplace_back(
+      sync_point.snap_namespace,
+      sync_point.snap_name,
+      sync_point.from_snap_name,
+      sync_point.object_number);
+  }
+  return sync_points;
+}
+
+template <typename I>
+librbd::SnapSeqs SyncPointHandler<I>::get_snap_seqs() const {
+  return m_client_meta_copy.snap_seqs;
+}
+
+template <typename I>
+void SyncPointHandler<I>::update_sync_points(
+    const librbd::SnapSeqs& snap_seqs, const SyncPoints& sync_points,
+    bool sync_complete, Context* on_finish) {
+  dout(10) << dendl;
+
+  if (sync_complete && sync_points.empty()) {
+    m_client_meta_copy.state = librbd::journal::MIRROR_PEER_STATE_REPLAYING;
+  }
+
+  m_client_meta_copy.snap_seqs = snap_seqs;
+  m_client_meta_copy.sync_points.clear();
+  for (auto& sync_point : sync_points) {
+    m_client_meta_copy.sync_points.emplace_back(
+      sync_point.snap_namespace,
+      sync_point.snap_name,
+      sync_point.from_snap_name,
+      sync_point.object_number);
+
+    if (sync_point.object_number) {
+      m_client_meta_copy.sync_object_count = std::max(
+        m_client_meta_copy.sync_object_count, *sync_point.object_number + 1);
+    }
+  }
+
+  dout(20) << "client_meta=" << m_client_meta_copy << dendl;
+  bufferlist client_data_bl;
+  librbd::journal::ClientData client_data{m_client_meta_copy};
+  encode(client_data, client_data_bl);
+
+  auto ctx = new LambdaContext([this, on_finish](int r) {
+      handle_update_sync_points(r, on_finish);
+    });
+  m_state_builder->remote_journaler->update_client(client_data_bl, ctx);
+}
+
+template <typename I>
+void SyncPointHandler<I>::handle_update_sync_points(int r, Context* on_finish) {
+  dout(10) << "r=" << r << dendl;
+
+  if (r >= 0) {
+    m_state_builder->remote_client_meta.snap_seqs =
+      m_client_meta_copy.snap_seqs;
+    m_state_builder->remote_client_meta.sync_points =
+      m_client_meta_copy.sync_points;
+  } else {
+    derr << "failed to update remote journal client meta for image "
+         << m_state_builder->global_image_id << ": " << cpp_strerror(r)
+         << dendl;
+  }
+
+  on_finish->complete(r);
+}
+
+} // namespace journal
+} // namespace image_sync
+} // namespace mirror
+} // namespace rbd
+
+template class rbd::mirror::image_replayer::journal::SyncPointHandler<librbd::ImageCtx>;
-- 
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