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// Copyright 2022 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/ash/system_logs/traffic_counters_log_source.h"
#include <sstream>
#include <string>
#include <utility>
#include "ash/public/cpp/network_config_service.h"
#include "base/functional/bind.h"
#include "base/json/json_writer.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/string_util.h"
#include "chrome/browser/ash/net/network_health/network_health_manager.h"
#include "chromeos/ash/components/network/network_event_log.h"
#include "content/public/browser/browser_thread.h"
namespace system_logs {
namespace {
constexpr char kTrafficCountersEntry[] = "traffic-counters";
constexpr char kSource[] = "source";
constexpr char kRxBytes[] = "rx_bytes";
constexpr char kTxBytes[] = "tx_bytes";
constexpr char kTrafficCountersKey[] = "traffic_counters";
constexpr char kLastResetTimeKey[] = "last_reset_time";
constexpr char kNotAvailable[] = "Not Available";
std::string GetSourceString(
chromeos::network_config::mojom::TrafficCounterSource source) {
std::stringstream ss;
ss << source;
return ss.str();
}
base::Value::List ParseTrafficCounters(
const std::vector<chromeos::network_config::mojom::TrafficCounterPtr>&
traffic_counters) {
base::Value::List traffic_counters_list;
for (const auto& tc : traffic_counters) {
base::Value::Dict traffic_counter;
traffic_counter.Set(kSource, GetSourceString(tc->source));
traffic_counter.Set(kRxBytes, static_cast<double>(tc->rx_bytes));
traffic_counter.Set(kTxBytes, static_cast<double>(tc->tx_bytes));
traffic_counters_list.Append(std::move(traffic_counter));
}
return traffic_counters_list;
}
} // namespace
TrafficCountersLogSource::TrafficCountersLogSource()
: SystemLogsSource("TrafficCountersLog") {
ash::GetNetworkConfigService(
remote_cros_network_config_.BindNewPipeAndPassReceiver());
ash::network_health::NetworkHealthManager::GetInstance()->BindHealthReceiver(
network_health_service_.BindNewPipeAndPassReceiver());
}
TrafficCountersLogSource::~TrafficCountersLogSource() = default;
void TrafficCountersLogSource::Fetch(SysLogsSourceCallback callback) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
DCHECK(!callback.is_null());
callback_ = std::move(callback);
traffic_counters_.clear();
network_health_service_->GetRecentlyActiveNetworks(
base::BindOnce(&TrafficCountersLogSource::OnGetRecentlyActiveNetworks,
weak_factory_.GetWeakPtr()));
}
void TrafficCountersLogSource::OnGetRecentlyActiveNetworks(
const std::vector<std::string>& guids) {
total_guids_ = guids.size();
for (const std::string& guid : guids) {
remote_cros_network_config_->RequestTrafficCounters(
guid,
base::BindOnce(&TrafficCountersLogSource::OnTrafficCountersReceived,
weak_factory_.GetWeakPtr(), guid));
}
}
void TrafficCountersLogSource::OnTrafficCountersReceived(
const std::string& guid,
std::vector<chromeos::network_config::mojom::TrafficCounterPtr>
traffic_counters) {
remote_cros_network_config_->GetManagedProperties(
guid, base::BindOnce(&TrafficCountersLogSource::OnGetManagedProperties,
weak_factory_.GetWeakPtr(), guid,
std::move(traffic_counters)));
}
void TrafficCountersLogSource::OnGetManagedProperties(
const std::string& guid,
std::vector<chromeos::network_config::mojom::TrafficCounterPtr>
traffic_counters,
chromeos::network_config::mojom::ManagedPropertiesPtr managed_properties) {
base::Value::Dict tc_dict;
tc_dict.Set(kTrafficCountersKey, ParseTrafficCounters(traffic_counters));
if (managed_properties && managed_properties->traffic_counter_properties &&
managed_properties->traffic_counter_properties->friendly_date
.has_value()) {
tc_dict.Set(
kLastResetTimeKey,
managed_properties->traffic_counter_properties->friendly_date.value());
} else {
tc_dict.Set(kLastResetTimeKey, kNotAvailable);
}
traffic_counters_.Set(guid, std::move(tc_dict));
SendResponseIfDone();
}
void TrafficCountersLogSource::SendResponseIfDone() {
total_guids_--;
if (total_guids_ > 0) {
return;
}
std::map<std::string, std::string> response;
std::string json;
base::JSONWriter::WriteWithOptions(
traffic_counters_, base::JSONWriter::OPTIONS_PRETTY_PRINT, &json);
response[kTrafficCountersEntry] = std::move(json);
std::move(callback_).Run(
std::make_unique<SystemLogsResponse>(std::move(response)));
}
} // namespace system_logs
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