Files
scylladb/sstables/integrity_checked_file_impl.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

93 lines
2.8 KiB
C++

/*
* Copyright (C) 2017-present ScyllaDB
*/
/*
* SPDX-License-Identifier: LicenseRef-ScyllaDB-Source-Available-1.0
*/
#pragma once
#include <seastar/core/file.hh>
#include <seastar/core/seastar.hh>
#include "utils/log.hh"
#include "seastarx.hh"
namespace sstables {
extern logging::logger sstlog;
class integrity_checked_file_impl : public file_impl {
public:
integrity_checked_file_impl(sstring fname, file f);
virtual future<size_t> write_dma(uint64_t pos, const void* buffer, size_t len, io_intent*) override;
virtual future<size_t> write_dma(uint64_t pos, std::vector<iovec> iov, io_intent*) override;
virtual future<size_t> read_dma(uint64_t pos, void* buffer, size_t len, io_intent* intent) override {
return get_file_impl(_file)->read_dma(pos, buffer, len, intent);
}
virtual future<size_t> read_dma(uint64_t pos, std::vector<iovec> iov, io_intent* intent) override {
return get_file_impl(_file)->read_dma(pos, iov, intent);
}
virtual future<> flush(void) override {
return get_file_impl(_file)->flush();
}
virtual future<struct stat> stat(void) override {
return get_file_impl(_file)->stat();
}
virtual future<> truncate(uint64_t length) override {
return get_file_impl(_file)->truncate(length);
}
virtual future<> discard(uint64_t offset, uint64_t length) override {
return get_file_impl(_file)->discard(offset, length);
}
virtual future<> allocate(uint64_t position, uint64_t length) override {
return get_file_impl(_file)->allocate(position, length);
}
virtual future<uint64_t> size(void) override {
return get_file_impl(_file)->size();
}
virtual future<> close() override {
return get_file_impl(_file)->close();
}
// returns a handle for plain file, so make_checked_file() should be called
// on file returned by handle.
virtual std::unique_ptr<seastar::file_handle_impl> dup() override {
return get_file_impl(_file)->dup();
}
virtual subscription<directory_entry> list_directory(std::function<future<> (directory_entry de)> next) override {
return get_file_impl(_file)->list_directory(next);
}
virtual future<temporary_buffer<uint8_t>> dma_read_bulk(uint64_t offset, size_t range_size, io_intent* intent) override {
return get_file_impl(_file)->dma_read_bulk(offset, range_size, intent);
}
private:
sstring _fname;
file _file;
};
inline file make_integrity_checked_file(sstring name, file f);
inline open_flags adjust_flags_for_integrity_checked_file(open_flags flags);
future<file>
open_integrity_checked_file_dma(std::string_view name, open_flags flags, file_open_options options) noexcept;
future<file>
open_integrity_checked_file_dma(std::string_view name, open_flags flags) noexcept;
}