2 * Copyright (c) 2015 Samsung Electronics Co., Ltd All Rights Reserved
4 * Contact: Lukasz Kostyra <l.kostyra@samsung.com>
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
10 * http://www.apache.org/licenses/LICENSE-2.0
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License
21 * @author Lukasz Kostyra (l.kostyra@samsung.com)
22 * @brief Unique ID type definition
25 #include "unique-id.hpp"
36 void UniqueID::generate()
38 ::clock_gettime(CLOCK_REALTIME, &mTime);
39 ::uuid_generate_random(mUUID);
42 bool UniqueID::operator==(const UniqueID& other) const
44 return (mTime.tv_sec == other.mTime.tv_sec)
45 && (mTime.tv_nsec == other.mTime.tv_nsec)
46 && (::uuid_compare(mUUID, other.mUUID) == 0); // uuid_compare works just like strcmp
49 UniqueID::operator std::string() const
51 char uuid[37]; // uuid_unparse assures that it will print 36 chars + terminating zero
52 ::uuid_unparse(mUUID, uuid);
53 return std::to_string(mTime.tv_sec) + '.' + std::to_string(mTime.tv_nsec) + ':' + uuid;
56 std::ostream& operator<<(std::ostream& str, const UniqueID& id)
58 str << static_cast<std::string>(id);