76 lines
1.8 KiB
C
76 lines
1.8 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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enum class FrameFlags : uint16_t {
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// Note that win32 defines EMPTY and IGNORE so we use a trailing
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// underscore to avoid a collision
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EMPTY_ = 0x000,
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IGNORE_ = 0x200,
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METADATA = 0x100,
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// SETUP.
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RESUME_ENABLE = 0x80,
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LEASE = 0x40,
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// KEEPALIVE
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KEEPALIVE_RESPOND = 0x80,
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// REQUEST_RESPONSE, REQUEST_FNF, REQUEST_STREAM, REQUEST_CHANNEL, PAYLOAD.
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FOLLOWS = 0x80,
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// REQUEST_CHANNEL, PAYLOAD.
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COMPLETE = 0x40,
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// PAYLOAD.
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NEXT = 0x20,
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};
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constexpr uint16_t raw(FrameFlags flags) {
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return static_cast<uint16_t>(flags);
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}
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constexpr FrameFlags operator|(FrameFlags a, FrameFlags b) {
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return static_cast<FrameFlags>(raw(a) | raw(b));
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}
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constexpr FrameFlags operator&(FrameFlags a, FrameFlags b) {
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return static_cast<FrameFlags>(raw(a) & raw(b));
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}
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inline FrameFlags& operator|=(FrameFlags& a, FrameFlags b) {
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return a = (a | b);
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}
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inline FrameFlags& operator&=(FrameFlags& a, FrameFlags b) {
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return a = (a & b);
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}
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constexpr bool operator!(FrameFlags a) {
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return !raw(a);
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}
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constexpr FrameFlags operator~(FrameFlags a) {
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return static_cast<FrameFlags>(~raw(a));
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}
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std::ostream& operator<<(std::ostream& ostr, FrameFlags a);
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} // namespace rsocket
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