1 // Copyright 2023 gRPC authors. 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://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, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #include "src/core/util/random_early_detection.h" 16 17 #include <grpc/support/port_platform.h> 18 19 #include "absl/random/distributions.h" 20 21 namespace grpc_core { 22 Reject(uint64_t size,absl::BitGenRef bitsrc) const23bool RandomEarlyDetection::Reject(uint64_t size, absl::BitGenRef bitsrc) const { 24 if (size <= soft_limit_) return false; 25 if (size < hard_limit_) { 26 return absl::Bernoulli(bitsrc, 27 static_cast<double>(size - soft_limit_) / 28 static_cast<double>(hard_limit_ - soft_limit_)); 29 } 30 return true; 31 } 32 33 } // namespace grpc_core 34