slice_refcount.cc

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// Copyright 2021 gRPC authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
 
#include <grpc/support/port_platform.h>
 
#include "src/core/lib/slice/slice_refcount.h"
 
#include <chrono>
 
namespace grpc_core {
 
uint32_t g_hash_seed = []() {
  auto now = std::chrono::system_clock::now();
  auto now_since_epoch = now.time_since_epoch();
  auto now_ns =
      std::chrono::duration_cast<std::chrono::nanoseconds>(now_since_epoch);
  return static_cast<uint32_t>(now_ns.count());
}();
 
}  // namespace grpc_core
 
void grpc_test_only_set_slice_hash_seed(uint32_t seed) {
  grpc_core::g_hash_seed = seed;
}