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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chromeos/ash/components/dbus/shill/shill_ipconfig_client.h"
#include <map>
#include <memory>
#include <utility>
#include "base/functional/bind.h"
#include "base/logging.h"
#include "base/memory/raw_ptr.h"
#include "base/values.h"
#include "chromeos/ash/components/dbus/shill/fake_shill_ipconfig_client.h"
#include "chromeos/ash/components/dbus/shill/shill_property_changed_observer.h"
#include "dbus/bus.h"
#include "dbus/message.h"
#include "dbus/object_path.h"
#include "dbus/object_proxy.h"
#include "dbus/values_util.h"
#include "third_party/cros_system_api/dbus/service_constants.h"
namespace ash {
namespace {
ShillIPConfigClient* g_instance = nullptr;
// The ShillIPConfigClient implementation.
class ShillIPConfigClientImpl : public ShillIPConfigClient {
public:
explicit ShillIPConfigClientImpl(dbus::Bus* bus) : bus_(bus) {}
ShillIPConfigClientImpl(const ShillIPConfigClientImpl&) = delete;
ShillIPConfigClientImpl& operator=(const ShillIPConfigClientImpl&) = delete;
~ShillIPConfigClientImpl() override = default;
////////////////////////////////////
// ShillIPConfigClient overrides.
void AddPropertyChangedObserver(
const dbus::ObjectPath& ipconfig_path,
ShillPropertyChangedObserver* observer) override {
GetHelper(ipconfig_path)->AddPropertyChangedObserver(observer);
}
void RemovePropertyChangedObserver(
const dbus::ObjectPath& ipconfig_path,
ShillPropertyChangedObserver* observer) override {
GetHelper(ipconfig_path)->RemovePropertyChangedObserver(observer);
}
void GetProperties(
const dbus::ObjectPath& ipconfig_path,
chromeos::DBusMethodCallback<base::Value::Dict> callback) override;
void SetProperty(const dbus::ObjectPath& ipconfig_path,
const std::string& name,
const base::Value& value,
chromeos::VoidDBusMethodCallback callback) override;
void ClearProperty(const dbus::ObjectPath& ipconfig_path,
const std::string& name,
chromeos::VoidDBusMethodCallback callback) override;
void Remove(const dbus::ObjectPath& ipconfig_path,
chromeos::VoidDBusMethodCallback callback) override;
ShillIPConfigClient::TestInterface* GetTestInterface() override;
private:
using HelperMap = std::map<std::string, std::unique_ptr<ShillClientHelper>>;
// Returns the corresponding ShillClientHelper for the profile.
ShillClientHelper* GetHelper(const dbus::ObjectPath& ipconfig_path) {
HelperMap::const_iterator it = helpers_.find(ipconfig_path.value());
if (it != helpers_.end())
return it->second.get();
// There is no helper for the profile, create it.
dbus::ObjectProxy* object_proxy =
bus_->GetObjectProxy(shill::kFlimflamServiceName, ipconfig_path);
std::unique_ptr<ShillClientHelper> helper(
new ShillClientHelper(object_proxy));
helper->MonitorPropertyChanged(shill::kFlimflamIPConfigInterface);
ShillClientHelper* helper_ptr = helper.get();
helpers_[ipconfig_path.value()] = std::move(helper);
return helper_ptr;
}
raw_ptr<dbus::Bus> bus_;
HelperMap helpers_;
};
void ShillIPConfigClientImpl::GetProperties(
const dbus::ObjectPath& ipconfig_path,
chromeos::DBusMethodCallback<base::Value::Dict> callback) {
dbus::MethodCall method_call(shill::kFlimflamIPConfigInterface,
shill::kGetPropertiesFunction);
GetHelper(ipconfig_path)
->CallDictValueMethod(&method_call, std::move(callback));
}
void ShillIPConfigClientImpl::SetProperty(
const dbus::ObjectPath& ipconfig_path,
const std::string& name,
const base::Value& value,
chromeos::VoidDBusMethodCallback callback) {
dbus::MethodCall method_call(shill::kFlimflamIPConfigInterface,
shill::kSetPropertyFunction);
dbus::MessageWriter writer(&method_call);
writer.AppendString(name);
// IPConfig supports writing basic type and string array properties.
switch (value.type()) {
case base::Value::Type::LIST: {
dbus::MessageWriter variant_writer(nullptr);
writer.OpenVariant("as", &variant_writer);
dbus::MessageWriter array_writer(nullptr);
variant_writer.OpenArray("s", &array_writer);
for (const auto& entry : value.GetList()) {
DLOG_IF(ERROR, !entry.is_string())
<< "Unexpected type " << entry.type();
array_writer.AppendString(entry.is_string() ? entry.GetString()
: std::string());
}
variant_writer.CloseContainer(&array_writer);
writer.CloseContainer(&variant_writer);
break;
}
case base::Value::Type::BOOLEAN:
case base::Value::Type::INTEGER:
case base::Value::Type::DOUBLE:
case base::Value::Type::STRING:
dbus::AppendBasicTypeValueDataAsVariant(&writer, value);
break;
default:
DLOG(ERROR) << "Unexpected type " << value.type();
}
GetHelper(ipconfig_path)->CallVoidMethod(&method_call, std::move(callback));
}
void ShillIPConfigClientImpl::ClearProperty(
const dbus::ObjectPath& ipconfig_path,
const std::string& name,
chromeos::VoidDBusMethodCallback callback) {
dbus::MethodCall method_call(shill::kFlimflamIPConfigInterface,
shill::kClearPropertyFunction);
dbus::MessageWriter writer(&method_call);
writer.AppendString(name);
GetHelper(ipconfig_path)->CallVoidMethod(&method_call, std::move(callback));
}
void ShillIPConfigClientImpl::Remove(
const dbus::ObjectPath& ipconfig_path,
chromeos::VoidDBusMethodCallback callback) {
dbus::MethodCall method_call(shill::kFlimflamIPConfigInterface,
shill::kRemoveConfigFunction);
GetHelper(ipconfig_path)->CallVoidMethod(&method_call, std::move(callback));
}
ShillIPConfigClient::TestInterface*
ShillIPConfigClientImpl::GetTestInterface() {
return nullptr;
}
} // namespace
ShillIPConfigClient::ShillIPConfigClient() {
DCHECK(!g_instance);
g_instance = this;
}
ShillIPConfigClient::~ShillIPConfigClient() {
DCHECK_EQ(this, g_instance);
g_instance = nullptr;
}
// static
void ShillIPConfigClient::Initialize(dbus::Bus* bus) {
DCHECK(bus);
new ShillIPConfigClientImpl(bus);
}
// static
void ShillIPConfigClient::InitializeFake() {
new FakeShillIPConfigClient();
}
// static
void ShillIPConfigClient::Shutdown() {
DCHECK(g_instance);
delete g_instance;
}
// static
ShillIPConfigClient* ShillIPConfigClient::Get() {
return g_instance;
}
} // namespace ash
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