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scylladb/tracing/traced_file.hh
Avi Kivity f3eade2f62 treewide: relicense to ScyllaDB-Source-Available-1.0
Drop the AGPL license in favor of a source-available license.
See the blog post [1] for details.

[1] https://www.scylladb.com/2024/12/18/why-were-moving-to-a-source-available-license/
2024-12-18 17:45:13 +02:00

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/*
* Copyright (C) 2019-present ScyllaDB
*/
/*
* SPDX-License-Identifier: LicenseRef-ScyllaDB-Source-Available-1.0
*/
#pragma once
#include <seastar/core/file.hh>
#include "tracing/trace_state.hh"
namespace tracing {
// Creates a wrapper over `f` that writes CQL trace messages using `trace_state`
// before and after each operation performed on `f` that returns a future
// (all operations except `dup` and `list_directory`).
// To identify messages for this particular file, `trace_prefix` is prepended to every such message.
// Note: calling dup() on the wrapper returns a handle to the underlying file.
seastar::file make_traced_file(seastar::file f, trace_state_ptr trace_state, seastar::sstring trace_prefix);
} // namespace tracing