| /* |
| * Copyright (C) 2015 The Android Open Source Project |
| * |
| * 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 |
| * |
| * http://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. |
| */ |
| |
| #include <keymaster/operation_table.h> |
| #include <keymaster/operation.h> |
| #include <keymaster/android_keymaster_utils.h> |
| |
| #include <keymaster/new.h> |
| |
| namespace keymaster { |
| |
| keymaster_error_t OperationTable::Add(OperationPtr&& operation) { |
| if (!table_) { |
| table_.reset(new (std::nothrow) OperationPtr[table_size_]); |
| if (!table_) |
| return KM_ERROR_MEMORY_ALLOCATION_FAILED; |
| } |
| for (size_t i = 0; i < table_size_; ++i) { |
| if (!table_[i]) { |
| table_[i] = move(operation); |
| return KM_ERROR_OK; |
| } |
| } |
| return KM_ERROR_TOO_MANY_OPERATIONS; |
| } |
| |
| Operation* OperationTable::Find(keymaster_operation_handle_t op_handle) { |
| if (op_handle == 0) |
| return nullptr; |
| |
| if (!table_.get()) |
| return nullptr; |
| |
| for (size_t i = 0; i < table_size_; ++i) { |
| if (table_[i] && table_[i]->operation_handle() == op_handle) |
| return table_[i].get(); |
| } |
| return nullptr; |
| } |
| |
| bool OperationTable::Delete(keymaster_operation_handle_t op_handle) { |
| if (!table_.get()) |
| return false; |
| |
| for (size_t i = 0; i < table_size_; ++i) { |
| if (table_[i] && table_[i]->operation_handle() == op_handle) { |
| table_[i].reset(); |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| } // namespace keymaster |