61 lines
1.8 KiB
C++
61 lines
1.8 KiB
C++
/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <keymaster/android_keymaster_utils.h>
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#include <keymaster/operation.h>
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#include <keymaster/operation_table.h>
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namespace keymaster {
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keymaster_error_t OperationTable::Add(OperationPtr&& operation) {
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if (!table_) {
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table_.reset(new (std::nothrow) OperationPtr[table_size_]);
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if (!table_) return KM_ERROR_MEMORY_ALLOCATION_FAILED;
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}
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for (size_t i = 0; i < table_size_; ++i) {
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if (!table_[i]) {
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table_[i] = move(operation);
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return KM_ERROR_OK;
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}
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}
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return KM_ERROR_TOO_MANY_OPERATIONS;
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}
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Operation* OperationTable::Find(keymaster_operation_handle_t op_handle) {
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if (op_handle == 0) return nullptr;
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if (!table_.get()) return nullptr;
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for (size_t i = 0; i < table_size_; ++i) {
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if (table_[i] && table_[i]->operation_handle() == op_handle) return table_[i].get();
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}
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return nullptr;
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}
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bool OperationTable::Delete(keymaster_operation_handle_t op_handle) {
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if (!table_.get()) return false;
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for (size_t i = 0; i < table_size_; ++i) {
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if (table_[i] && table_[i]->operation_handle() == op_handle) {
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table_[i].reset();
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return true;
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}
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}
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return false;
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}
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} // namespace keymaster
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