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/*
* Copyright (C) 2015 The Android Open Source Project
*
* 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 "uploader/bn_metricsd_impl.h"
#include <base/metrics/histogram.h>
#include <base/metrics/sparse_histogram.h>
#include <base/metrics/statistics_recorder.h>
#include <utils/Errors.h>
#include <utils/String16.h>
#include <utils/String8.h>
using android::binder::Status;
using android::String16;
static const char16_t kCrashTypeKernel[] = u"kernel";
static const char16_t kCrashTypeUncleanShutdown[] = u"uncleanshutdown";
static const char16_t kCrashTypeUser[] = u"user";
BnMetricsdImpl::BnMetricsdImpl(const std::shared_ptr<CrashCounters>& counters)
: counters_(counters) {
CHECK(counters_) << "Invalid counters argument to constructor";
}
Status BnMetricsdImpl::recordHistogram(
const String16& name, int sample, int min, int max, int nbuckets) {
base::HistogramBase* histogram = base::Histogram::FactoryGet(
android::String8(name).string(), min, max, nbuckets,
base::Histogram::kUmaTargetedHistogramFlag);
// |histogram| may be null if a client reports two contradicting histograms
// with the same name but different limits.
// FactoryGet will print a useful message if that is the case.
if (histogram) {
histogram->Add(sample);
}
return Status::ok();
}
Status BnMetricsdImpl::recordLinearHistogram(const String16& name,
int sample,
int max) {
base::HistogramBase* histogram = base::LinearHistogram::FactoryGet(
android::String8(name).string(), 1, max, max + 1,
base::Histogram::kUmaTargetedHistogramFlag);
// |histogram| may be null if a client reports two contradicting histograms
// with the same name but different limits.
// FactoryGet will print a useful message if that is the case.
if (histogram) {
histogram->Add(sample);
}
return Status::ok();
}
Status BnMetricsdImpl::recordSparseHistogram(const String16& name, int sample) {
base::HistogramBase* histogram = base::SparseHistogram::FactoryGet(
android::String8(name).string(),
base::Histogram::kUmaTargetedHistogramFlag);
// |histogram| may be null if a client reports two contradicting histograms
// with the same name but different limits.
// FactoryGet will print a useful message if that is the case.
if (histogram) {
histogram->Add(sample);
}
return Status::ok();
}
Status BnMetricsdImpl::recordCrash(const String16& type) {
if (type == kCrashTypeUser) {
counters_->IncrementUserCrashCount();
} else if (type == kCrashTypeKernel) {
counters_->IncrementKernelCrashCount();
} else if (type == kCrashTypeUncleanShutdown) {
counters_->IncrementUncleanShutdownCount();
} else {
LOG(ERROR) << "Unknown crash type received: " << type;
}
return Status::ok();
}
Status BnMetricsdImpl::getHistogramsDump(String16* dump) {
std::string str_dump;
base::StatisticsRecorder::WriteGraph(std::string(), &str_dump);
*dump = String16(str_dump.c_str());
return Status::ok();
}
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