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 <keymaster/UniquePtr.h>
21 
22 #include <hardware/keymaster_defs.h>
23 #include <keymaster/random_source.h>
24 
25 namespace keymaster {
26 
27 class Operation;
28 using OperationPtr = UniquePtr<Operation>;
29 
30 
31 class OperationTable {
32   public:
OperationTable(size_t table_size)33     explicit OperationTable(size_t table_size) :
34             table_size_(table_size) {}
35 
36     keymaster_error_t Add(OperationPtr&& operation);
37     Operation* Find(keymaster_operation_handle_t op_handle);
38     bool Delete(keymaster_operation_handle_t);
39 
40   private:
41     UniquePtr<OperationPtr[]> table_;
42     size_t table_size_;
43 };
44 
45 }  // namespace keymaster
46 
47 #endif  // SYSTEM_KEYMASTER_OPERATION_TABLE_H
48