mediapipe/mediapipe/framework/counter_factory.cc
MediaPipe Team 2b58cceec9 Project import generated by Copybara.
GitOrigin-RevId: d8caa66de45839696f5bd0786ad3bfbcb9cff632
2020-12-09 22:43:33 -05:00

91 lines
2.5 KiB
C++

// Copyright 2019 The MediaPipe 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 "mediapipe/framework/counter_factory.h"
#include <vector>
#include "absl/strings/string_view.h"
#include "absl/synchronization/mutex.h"
namespace mediapipe {
namespace {
// Counter implementation when we're not using Flume.
// TODO: Consider using Dax atomic counters instead of this.
// This class is thread safe.
class BasicCounter : public Counter {
public:
explicit BasicCounter(const std::string& name) : value_(0) {}
void Increment() ABSL_LOCKS_EXCLUDED(mu_) override {
absl::WriterMutexLock lock(&mu_);
++value_;
}
void IncrementBy(int amount) ABSL_LOCKS_EXCLUDED(mu_) override {
absl::WriterMutexLock lock(&mu_);
value_ += amount;
}
int64 Get() ABSL_LOCKS_EXCLUDED(mu_) override {
absl::ReaderMutexLock lock(&mu_);
return value_;
}
private:
absl::Mutex mu_;
int64 value_ ABSL_GUARDED_BY(mu_);
};
} // namespace
CounterSet::CounterSet() {}
CounterSet::~CounterSet() ABSL_LOCKS_EXCLUDED(mu_) { PublishCounters(); }
void CounterSet::PublishCounters() ABSL_LOCKS_EXCLUDED(mu_) {}
void CounterSet::PrintCounters() ABSL_LOCKS_EXCLUDED(mu_) {
absl::ReaderMutexLock lock(&mu_);
LOG_IF(INFO, !counters_.empty()) << "MediaPipe Counters:";
for (const auto& counter : counters_) {
LOG(INFO) << counter.first << ": " << counter.second->Get();
}
}
Counter* CounterSet::Get(const std::string& name) ABSL_LOCKS_EXCLUDED(mu_) {
absl::ReaderMutexLock lock(&mu_);
if (!mediapipe::ContainsKey(counters_, name)) {
return nullptr;
}
return counters_[name].get();
}
std::map<std::string, int64> CounterSet::GetCountersValues()
ABSL_LOCKS_EXCLUDED(mu_) {
absl::ReaderMutexLock lock(&mu_);
std::map<std::string, int64> result;
for (const auto& it : counters_) {
result[it.first] = it.second->Get();
}
return result;
}
Counter* BasicCounterFactory::GetCounter(const std::string& name) {
return counter_set_.Emplace<BasicCounter>(name, name);
}
} // namespace mediapipe