76 lines
2.1 KiB
C
76 lines
2.1 KiB
C
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// Copyright (c) Facebook, Inc. and its affiliates.
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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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#pragma once
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#include <cstdint>
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#include <iosfwd>
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namespace rsocket {
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// Bug in GCC: https://bugzilla.redhat.com/show_bug.cgi?id=130601
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#pragma push_macro("major")
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#pragma push_macro("minor")
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#undef major
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#undef minor
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struct ProtocolVersion {
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uint16_t major{};
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uint16_t minor{};
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constexpr ProtocolVersion() = default;
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constexpr ProtocolVersion(uint16_t _major, uint16_t _minor)
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: major(_major), minor(_minor) {}
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static const ProtocolVersion Unknown;
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static const ProtocolVersion Latest;
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};
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#pragma pop_macro("major")
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#pragma pop_macro("minor")
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std::ostream& operator<<(std::ostream&, const ProtocolVersion&);
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constexpr bool operator==(
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const ProtocolVersion& left,
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const ProtocolVersion& right) {
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return left.major == right.major && left.minor == right.minor;
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}
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constexpr bool operator!=(
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const ProtocolVersion& left,
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const ProtocolVersion& right) {
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return !(left == right);
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}
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constexpr bool operator<(
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const ProtocolVersion& left,
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const ProtocolVersion& right) {
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return left != ProtocolVersion::Unknown &&
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right != ProtocolVersion::Unknown &&
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(left.major < right.major ||
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(left.major == right.major && left.minor < right.minor));
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}
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constexpr bool operator>(
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const ProtocolVersion& left,
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const ProtocolVersion& right) {
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return left != ProtocolVersion::Unknown &&
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right != ProtocolVersion::Unknown &&
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(left.major > right.major ||
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(left.major == right.major && left.minor > right.minor));
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}
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} // namespace rsocket
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