1/*
2 * Copyright (C) 2015 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef SYSTEM_KEYMASTER_OPERATION_TABLE_H
18#define SYSTEM_KEYMASTER_OPERATION_TABLE_H
19
20#include <UniquePtr.h>
21
22#include <hardware/keymaster_defs.h>
23
24namespace keymaster {
25
26class Operation;
27
28class OperationTable {
29  public:
30    OperationTable(size_t table_size) : table_size_(table_size) {}
31
32    struct Entry {
33        Entry() {
34            handle = 0;
35            operation = NULL;
36        };
37        ~Entry();
38        keymaster_operation_handle_t handle;
39        Operation* operation;
40    };
41
42    keymaster_error_t Add(Operation* operation, keymaster_operation_handle_t* op_handle);
43    Operation* Find(keymaster_operation_handle_t op_handle);
44    bool Delete(keymaster_operation_handle_t);
45
46  private:
47    UniquePtr<Entry[]> table_;
48    size_t table_size_;
49};
50
51}  // namespace keymaster
52
53#endif  // SYSTEM_KEYMASTER_OPERATION_TABLE_H
54