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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/nearby_sharing/contacts/nearby_share_contact_downloader_impl.h"
#include <utility>
#include <vector>
#include "base/memory/ptr_util.h"
#include "base/metrics/histogram_functions.h"
#include "chrome/browser/nearby_sharing/client/nearby_share_client.h"
#include "components/cross_device/logging/logging.h"
namespace {
void RecordListContactPeopleResultMetrics(
ash::nearby::NearbyHttpResult result) {
base::UmaHistogramEnumeration("Nearby.Share.Contacts.HttpResult", result);
}
void RecordContactDownloadResultMetrics(bool success,
size_t current_page_number,
base::TimeTicks start_timestamp_) {
base::UmaHistogramBoolean("Nearby.Share.Contacts.DownloadResult", success);
if (success) {
base::UmaHistogramCounts100(
"Nearby.Share.Contacts.DownloadPageCount.Success", current_page_number);
base::UmaHistogramTimes("Nearby.Share.Contacts.TimeToDownload.Success",
base::TimeTicks::Now() - start_timestamp_);
} else {
base::UmaHistogramCounts100(
"Nearby.Share.Contacts.DownloadPageCount.Failure", current_page_number);
base::UmaHistogramTimes("Nearby.Share.Contacts.TimeToDownload.Failure",
base::TimeTicks::Now() - start_timestamp_);
}
}
void RecordContactDistributionMetrics(
const std::vector<nearby::sharing::proto::ContactRecord>&
unfiltered_contacts) {
size_t num_reachable = 0;
size_t num_unknown_type = 0;
size_t num_google_type = 0;
size_t num_device_type = 0;
for (const auto& contact : unfiltered_contacts) {
if (contact.is_reachable())
++num_reachable;
switch (contact.type()) {
case nearby::sharing::proto::ContactRecord::UNKNOWN:
++num_unknown_type;
break;
case nearby::sharing::proto::ContactRecord::GOOGLE_CONTACT:
++num_google_type;
break;
case nearby::sharing::proto::ContactRecord::DEVICE_CONTACT:
++num_device_type;
break;
case nearby::sharing::proto::
ContactRecord_Type_ContactRecord_Type_INT_MIN_SENTINEL_DO_NOT_USE_:
case nearby::sharing::proto::
ContactRecord_Type_ContactRecord_Type_INT_MAX_SENTINEL_DO_NOT_USE_:
NOTREACHED();
}
}
base::UmaHistogramCounts10000("Nearby.Share.Contacts.NumContacts.Unfiltered",
unfiltered_contacts.size());
base::UmaHistogramCounts10000("Nearby.Share.Contacts.NumContacts.Reachable",
num_reachable);
base::UmaHistogramCounts10000("Nearby.Share.Contacts.NumContacts.Unreachable",
unfiltered_contacts.size() - num_reachable);
base::UmaHistogramCounts10000(
"Nearby.Share.Contacts.NumContacts.UnknownContactType", num_unknown_type);
base::UmaHistogramCounts10000(
"Nearby.Share.Contacts.NumContacts.GoogleContactType", num_google_type);
base::UmaHistogramCounts10000(
"Nearby.Share.Contacts.NumContacts.DeviceContactType", num_device_type);
if (!unfiltered_contacts.empty()) {
base::UmaHistogramPercentage(
"Nearby.Share.Contacts.PercentReachable",
std::lround(100.0f * num_reachable / unfiltered_contacts.size()));
base::UmaHistogramPercentage(
"Nearby.Share.Contacts.PercentDeviceContactType",
std::lround(100.0f * num_device_type / unfiltered_contacts.size()));
}
}
} // namespace
// static
NearbyShareContactDownloaderImpl::Factory*
NearbyShareContactDownloaderImpl::Factory::test_factory_ = nullptr;
// static
std::unique_ptr<NearbyShareContactDownloader>
NearbyShareContactDownloaderImpl::Factory::Create(
const std::string& device_id,
base::TimeDelta timeout,
NearbyShareClientFactory* client_factory,
SuccessCallback success_callback,
FailureCallback failure_callback) {
if (test_factory_) {
return test_factory_->CreateInstance(device_id, timeout, client_factory,
std::move(success_callback),
std::move(failure_callback));
}
return base::WrapUnique(new NearbyShareContactDownloaderImpl(
device_id, timeout, client_factory, std::move(success_callback),
std::move(failure_callback)));
}
// static
void NearbyShareContactDownloaderImpl::Factory::SetFactoryForTesting(
Factory* test_factory) {
test_factory_ = test_factory;
}
NearbyShareContactDownloaderImpl::Factory::~Factory() = default;
NearbyShareContactDownloaderImpl::NearbyShareContactDownloaderImpl(
const std::string& device_id,
base::TimeDelta timeout,
NearbyShareClientFactory* client_factory,
SuccessCallback success_callback,
FailureCallback failure_callback)
: NearbyShareContactDownloader(device_id,
std::move(success_callback),
std::move(failure_callback)),
timeout_(timeout),
client_factory_(client_factory) {}
NearbyShareContactDownloaderImpl::~NearbyShareContactDownloaderImpl() = default;
void NearbyShareContactDownloaderImpl::OnRun() {
CD_LOG(VERBOSE, Feature::NS) << __func__ << ": Starting contacts download.";
start_timestamp_ = base::TimeTicks::Now();
CallListContactPeople(/*next_page_token=*/std::nullopt);
}
void NearbyShareContactDownloaderImpl::CallListContactPeople(
const std::optional<std::string>& next_page_token) {
++current_page_number_;
CD_LOG(VERBOSE, Feature::NS)
<< __func__ << ": Making ListContactPeople RPC call to fetch page number "
<< current_page_number_
<< " with page token: " << next_page_token.value_or("[null]");
timer_.Start(
FROM_HERE, timeout_,
base::BindOnce(
&NearbyShareContactDownloaderImpl::OnListContactPeopleTimeout,
base::Unretained(this)));
nearby::sharing::proto::ListContactPeopleRequest request;
if (next_page_token)
request.set_page_token(*next_page_token);
client_ = client_factory_->CreateInstance();
client_->ListContactPeople(
request,
base::BindOnce(
&NearbyShareContactDownloaderImpl::OnListContactPeopleSuccess,
base::Unretained(this)),
base::BindOnce(
&NearbyShareContactDownloaderImpl::OnListContactPeopleFailure,
base::Unretained(this)));
}
void NearbyShareContactDownloaderImpl::OnListContactPeopleSuccess(
const nearby::sharing::proto::ListContactPeopleResponse& response) {
timer_.Stop();
contacts_.insert(contacts_.end(), response.contact_records().begin(),
response.contact_records().end());
std::optional<std::string> next_page_token =
response.next_page_token().empty()
? std::nullopt
: std::make_optional<std::string>(response.next_page_token());
client_.reset();
RecordListContactPeopleResultMetrics(ash::nearby::NearbyHttpResult::kSuccess);
if (next_page_token) {
CallListContactPeople(next_page_token);
return;
}
CD_LOG(VERBOSE, Feature::NS) << __func__ << ": Download of "
<< contacts_.size() << " contacts succeeded.";
RecordContactDownloadResultMetrics(/*success=*/true, current_page_number_,
start_timestamp_);
RecordContactDistributionMetrics(contacts_);
// Remove unreachable contacts.
size_t initial_num_contacts = contacts_.size();
std::erase_if(contacts_,
[](const nearby::sharing::proto::ContactRecord& contact) {
return !contact.is_reachable();
});
uint32_t num_unreachable_contacts_filtered_out =
initial_num_contacts - contacts_.size();
CD_LOG(VERBOSE, Feature::NS)
<< __func__ << ": Removed " << num_unreachable_contacts_filtered_out
<< " unreachable contacts.";
Succeed(std::move(contacts_), num_unreachable_contacts_filtered_out);
}
void NearbyShareContactDownloaderImpl::OnListContactPeopleFailure(
ash::nearby::NearbyHttpError error) {
timer_.Stop();
client_.reset();
RecordListContactPeopleResultMetrics(
ash::nearby::NearbyHttpErrorToResult(error));
RecordContactDownloadResultMetrics(/*success=*/false, current_page_number_,
start_timestamp_);
CD_LOG(ERROR, Feature::NS)
<< __func__ << ": Contact download RPC call failed with error " << error
<< " fetching page number " << current_page_number_;
Fail();
}
void NearbyShareContactDownloaderImpl::OnListContactPeopleTimeout() {
client_.reset();
RecordListContactPeopleResultMetrics(ash::nearby::NearbyHttpResult::kTimeout);
RecordContactDownloadResultMetrics(/*success=*/false, current_page_number_,
start_timestamp_);
CD_LOG(ERROR, Feature::NS)
<< __func__ << ": Contact download RPC call timed out.";
Fail();
}
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