mirror of
https://github.com/scottlamb/moonfire-nvr.git
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95 lines
2.9 KiB
C++
95 lines
2.9 KiB
C++
// This file is part of Moonfire NVR, a security camera network video recorder.
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// Copyright (C) 2016 Lamb <slamb@slamb.org>
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// In addition, as a special exception, the copyright holders give
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// permission to link the code of portions of this program with the
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// OpenSSL library under certain conditions as described in each
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// individual source file, and distribute linked combinations including
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// the two.
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//
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// You must obey the GNU General Public License in all respects for all
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// of the code used other than OpenSSL. If you modify file(s) with this
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// exception, you may extend this exception to your version of the
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// file(s), but you are not obligated to do so. If you do not wish to do
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// so, delete this exception statement from your version. If you delete
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// this exception statement from all source files in the program, then
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// also delete it here.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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//
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// uuid.cc: implementation of uuid.h interface.
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#include "uuid.h"
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namespace moonfire_nvr {
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namespace {
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const size_t kTextFormatLength =
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sizeof("xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx") - 1;
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} // namespace
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bool Uuid::ParseText(re2::StringPiece input) {
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if (input.size() != kTextFormatLength) {
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return false;
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}
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char tmp[kTextFormatLength + 1];
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memcpy(tmp, input.data(), kTextFormatLength);
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tmp[kTextFormatLength] = 0;
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return uuid_parse(tmp, me_) == 0;
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}
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bool Uuid::ParseBinary(re2::StringPiece input) {
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if (input.size() != sizeof(uuid_t)) {
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return false;
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}
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memcpy(me_, input.data(), sizeof(uuid_t));
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return true;
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}
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std::string Uuid::UnparseText() const {
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char tmp[kTextFormatLength + 1];
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uuid_unparse_lower(me_, tmp);
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return tmp;
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}
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re2::StringPiece Uuid::binary_view() const {
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return re2::StringPiece(reinterpret_cast<const char *>(me_), sizeof(me_));
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}
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bool Uuid::operator==(const Uuid &other) const {
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return uuid_compare(me_, other.me_) == 0;
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}
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bool Uuid::operator<(const Uuid &other) const {
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return uuid_compare(me_, other.me_) < 0;
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}
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class RealUuidGenerator : public UuidGenerator {
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public:
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Uuid Generate() final {
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Uuid out;
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uuid_generate(out.me_);
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return out;
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}
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};
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UuidGenerator *GetRealUuidGenerator() {
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static RealUuidGenerator *gen = new RealUuidGenerator; // never freed.
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return gen;
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}
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} // namespace moonfire_nvr
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