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// Copyright 2023 The Pigweed Authors
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may not
// use this file except in compliance with the License. You may obtain a copy of
// the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
#pragma once
#include "pw_persistent_ram/flat_file_system_entry.h"
#include "pw_system/config.h"
#include "pw_system/transfer_handlers.h"
namespace pw::system {
class FileManager {
public:
// Each transfer handler ID corresponds 1:1 with a transfer handler and
// filesystem element pair. The ID must be unique and increment from 0 to
// ensure no gaps in the FileManager handler & filesystem arrays.
// NOTE: the enumerators should never have values defined, to ensure they
// increment from zero and kNumFileSystemEntries is correct
enum TransferHandlerId : uint32_t {
#if PW_SYSTEM_ENABLE_TRACE_SERVICE
kTraceTransferHandlerId,
#endif
kNumFileSystemEntries
};
FileManager();
std::array<transfer::Handler*, kNumFileSystemEntries>& GetTransferHandlers() {
return transfer_handlers_;
}
std::array<file::FlatFileSystemService::Entry*, kNumFileSystemEntries>&
GetFileSystemEntries() {
return file_system_entries_;
}
private:
#if PW_SYSTEM_ENABLE_TRACE_SERVICE
TracePersistentBufferTransfer trace_data_handler_;
persistent_ram::FlatFileSystemPersistentBufferEntry<
PW_TRACE_BUFFER_SIZE_BYTES>
trace_data_filesystem_entry_;
#endif
std::array<transfer::Handler*, kNumFileSystemEntries> transfer_handlers_;
std::array<file::FlatFileSystemService::Entry*, kNumFileSystemEntries>
file_system_entries_;
};
FileManager& GetFileManager();
} // namespace pw::system
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