mirror of
https://github.com/scylladb/scylladb.git
synced 2026-04-20 16:40:35 +00:00
472013de27
Convert to accepting std::string_view name. Move the sstring allocation to make_integrity_checked_file that may already throw. Signed-off-by: Benny Halevy <bhalevy@scylladb.com>
107 lines
3.4 KiB
C++
107 lines
3.4 KiB
C++
/*
|
|
* Copyright (C) 2017 ScyllaDB
|
|
*/
|
|
|
|
/*
|
|
* This file is part of Scylla.
|
|
*
|
|
* Scylla is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Affero General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* Scylla is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with Scylla. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <algorithm>
|
|
#include <seastar/core/file.hh>
|
|
#include <seastar/core/seastar.hh>
|
|
#include "bytes.hh"
|
|
#include "log.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, const io_priority_class& pc) override;
|
|
|
|
virtual future<size_t> write_dma(uint64_t pos, std::vector<iovec> iov, const io_priority_class& pc) override;
|
|
|
|
virtual future<size_t> read_dma(uint64_t pos, void* buffer, size_t len, const io_priority_class& pc) override {
|
|
return get_file_impl(_file)->read_dma(pos, buffer, len, pc);
|
|
}
|
|
|
|
virtual future<size_t> read_dma(uint64_t pos, std::vector<iovec> iov, const io_priority_class& pc) override {
|
|
return get_file_impl(_file)->read_dma(pos, iov, pc);
|
|
}
|
|
|
|
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, const io_priority_class& pc) override {
|
|
return get_file_impl(_file)->dma_read_bulk(offset, range_size, pc);
|
|
}
|
|
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;
|
|
|
|
}
|