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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:45:59 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:45:59 +0000 |
commit | 19fcec84d8d7d21e796c7624e521b60d28ee21ed (patch) | |
tree | 42d26aa27d1e3f7c0b8bd3fd14e7d7082f5008dc /src/crimson/os/seastore/onode_manager/staged-fltree/node_delta_recorder.h | |
parent | Initial commit. (diff) | |
download | ceph-upstream.tar.xz ceph-upstream.zip |
Adding upstream version 16.2.11+ds.upstream/16.2.11+dsupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/crimson/os/seastore/onode_manager/staged-fltree/node_delta_recorder.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/src/crimson/os/seastore/onode_manager/staged-fltree/node_delta_recorder.h b/src/crimson/os/seastore/onode_manager/staged-fltree/node_delta_recorder.h new file mode 100644 index 000000000..d08a99015 --- /dev/null +++ b/src/crimson/os/seastore/onode_manager/staged-fltree/node_delta_recorder.h @@ -0,0 +1,42 @@ +// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:nil -*- +// vim: ts=8 sw=2 smarttab + +#pragma once + +#include "include/buffer.h" +#include "node_types.h" + +namespace crimson::os::seastore::onode { + +/** + * DeltaRecorder + * + * An abstracted class to encapsulate different implementations to apply delta + * to a specific node layout. + */ +class DeltaRecorder { + public: + virtual ~DeltaRecorder() { + assert(is_empty()); + } + + bool is_empty() const { + return encoded.length() == 0; + } + + ceph::bufferlist get_delta() { + assert(!is_empty()); + return std::move(encoded); + } + + virtual node_type_t node_type() const = 0; + virtual field_type_t field_type() const = 0; + virtual void apply_delta(ceph::bufferlist::const_iterator&, + NodeExtentMutable&) = 0; + + protected: + DeltaRecorder() = default; + ceph::bufferlist encoded; +}; + +} |