1 // Copyright 2023 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
15 #include "pw_bluetooth_sapphire/internal/host/common/retire_log.h"
16
17 #include <pw_assert/check.h>
18
19 #include <limits>
20
21 namespace bt::internal {
22
RetireLog(size_t min_depth,size_t max_depth)23 RetireLog::RetireLog(size_t min_depth, size_t max_depth)
24 : min_depth_(min_depth), max_depth_(max_depth) {
25 PW_CHECK(min_depth_ > 0);
26 PW_CHECK(min_depth_ <= max_depth_);
27 buffer_.reserve(max_depth_);
28 std::apply(
29 [this](auto&... scratchpad) { (scratchpad.reserve(max_depth_), ...); },
30 quantile_scratchpads_);
31 }
32
Retire(size_t byte_count,pw::chrono::SystemClock::duration age)33 void RetireLog::Retire(size_t byte_count,
34 pw::chrono::SystemClock::duration age) {
35 if (depth() < max_depth_) {
36 buffer_.push_back({byte_count, age});
37 return;
38 }
39 buffer_[next_insertion_index_] = {byte_count, age};
40 next_insertion_index_ = (next_insertion_index_ + 1) % depth();
41 }
42
43 } // namespace bt::internal
44