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 <grpc/support/port_platform.h>
16 
17 #include "src/core/lib/backoff/random_early_detection.h"
18 
19 namespace grpc_core {
20 
Reject(uint64_t size)21 bool RandomEarlyDetection::Reject(uint64_t size) {
22   if (size <= soft_limit_) return false;
23   if (size < hard_limit_) {
24     return absl::Bernoulli(bitgen_,
25                            static_cast<double>(size - soft_limit_) /
26                                static_cast<double>(hard_limit_ - soft_limit_));
27   }
28   return true;
29 }
30 
31 }  // namespace grpc_core
32