91 lines
2.5 KiB
C++
91 lines
2.5 KiB
C++
// Copyright 2019 The MediaPipe Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "mediapipe/framework/counter_factory.h"
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#include <vector>
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#include "absl/strings/string_view.h"
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#include "absl/synchronization/mutex.h"
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namespace mediapipe {
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namespace {
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// Counter implementation when we're not using Flume.
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// TODO: Consider using Dax atomic counters instead of this.
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// This class is thread safe.
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class BasicCounter : public Counter {
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public:
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explicit BasicCounter(const std::string& name) : value_(0) {}
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void Increment() ABSL_LOCKS_EXCLUDED(mu_) override {
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absl::WriterMutexLock lock(&mu_);
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++value_;
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}
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void IncrementBy(int amount) ABSL_LOCKS_EXCLUDED(mu_) override {
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absl::WriterMutexLock lock(&mu_);
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value_ += amount;
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}
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int64_t Get() ABSL_LOCKS_EXCLUDED(mu_) override {
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absl::ReaderMutexLock lock(&mu_);
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return value_;
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}
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private:
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absl::Mutex mu_;
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int64_t value_ ABSL_GUARDED_BY(mu_);
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};
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} // namespace
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CounterSet::CounterSet() {}
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CounterSet::~CounterSet() ABSL_LOCKS_EXCLUDED(mu_) { PublishCounters(); }
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void CounterSet::PublishCounters() ABSL_LOCKS_EXCLUDED(mu_) {}
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void CounterSet::PrintCounters() ABSL_LOCKS_EXCLUDED(mu_) {
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absl::ReaderMutexLock lock(&mu_);
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LOG_IF(INFO, !counters_.empty()) << "MediaPipe Counters:";
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for (const auto& counter : counters_) {
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LOG(INFO) << counter.first << ": " << counter.second->Get();
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}
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}
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Counter* CounterSet::Get(const std::string& name) ABSL_LOCKS_EXCLUDED(mu_) {
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absl::ReaderMutexLock lock(&mu_);
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if (!mediapipe::ContainsKey(counters_, name)) {
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return nullptr;
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}
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return counters_[name].get();
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}
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std::map<std::string, int64_t> CounterSet::GetCountersValues()
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ABSL_LOCKS_EXCLUDED(mu_) {
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absl::ReaderMutexLock lock(&mu_);
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std::map<std::string, int64_t> result;
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for (const auto& it : counters_) {
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result[it.first] = it.second->Get();
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}
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return result;
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}
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Counter* BasicCounterFactory::GetCounter(const std::string& name) {
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return counter_set_.Emplace<BasicCounter>(name, name);
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}
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} // namespace mediapipe
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