1 // Copyright 2021 The Pigweed Authors 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); you may not 4 // use this file except in compliance with the License. You may obtain a copy of 5 // the License at 6 // 7 // https://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 11 // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 12 // License for the specific language governing permissions and limitations under 13 // the License. 14 #pragma once 15 16 namespace pw::rpc { 17 18 enum class MethodType : unsigned char { 19 kUnary = 0b00, 20 kServerStreaming = 0b01, 21 kClientStreaming = 0b10, 22 kBidirectionalStreaming = 0b11, 23 }; 24 25 // True for unary and server streaming RPCs. HasServerStream(MethodType type)26constexpr bool HasServerStream(MethodType type) { 27 return (static_cast<unsigned>(type) & 28 static_cast<unsigned>(MethodType::kServerStreaming)) != 0; 29 } 30 31 // True for client and bidirectional streaming RPCs. HasClientStream(MethodType type)32constexpr bool HasClientStream(MethodType type) { 33 return (static_cast<unsigned>(type) & 34 static_cast<unsigned>(MethodType::kClientStreaming)) != 0; 35 } 36 37 } // namespace pw::rpc 38