Files
scylla/tracing/traced_file.hh
Avi Kivity fcb8d040e8 treewide: use Software Package Data Exchange (SPDX) license identifiers
Instead of lengthy blurbs, switch to single-line, machine-readable
standardized (https://spdx.dev) license identifiers. The Linux kernel
switched long ago, so there is strong precedent.

Three cases are handled: AGPL-only, Apache-only, and dual licensed.
For the latter case, I chose (AGPL-3.0-or-later and Apache-2.0),
reasoning that our changes are extensive enough to apply our license.

The changes we applied mechanically with a script, except to
licenses/README.md.

Closes #9937
2022-01-18 12:15:18 +01:00

26 lines
728 B
C++

/*
* Copyright (C) 2019-present ScyllaDB
*/
/*
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
#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