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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chromeos/dbus/shill_service_client.h"
#include "base/bind.h"
#include "base/chromeos/chromeos_version.h"
#include "base/message_loop.h"
#include "base/stl_util.h"
#include "base/values.h"
#include "dbus/bus.h"
#include "dbus/message.h"
#include "dbus/object_proxy.h"
#include "third_party/cros_system_api/dbus/service_constants.h"
namespace chromeos {
namespace {
// Error callback for GetProperties.
void OnGetPropertiesError(
const dbus::ObjectPath& service_path,
const ShillServiceClient::DictionaryValueCallback& callback,
const std::string& error_name,
const std::string& error_message) {
const std::string log_string =
"Failed to call org.chromium.shill.Service.GetProperties for: " +
service_path.value() + ": " + error_name + ": " + error_message;
// Suppress ERROR log if error name is
// "org.freedesktop.DBus.Error.UnknownMethod". crbug.com/130660
if (error_name == DBUS_ERROR_UNKNOWN_METHOD)
VLOG(1) << log_string;
else
LOG(ERROR) << log_string;
base::DictionaryValue empty_dictionary;
callback.Run(DBUS_METHOD_CALL_FAILURE, empty_dictionary);
}
// The ShillServiceClient implementation.
class ShillServiceClientImpl : public ShillServiceClient {
public:
explicit ShillServiceClientImpl(dbus::Bus* bus)
: bus_(bus),
helpers_deleter_(&helpers_) {
}
// ShillServiceClient override.
virtual void SetPropertyChangedHandler(
const dbus::ObjectPath& service_path,
const PropertyChangedHandler& handler) OVERRIDE {
GetHelper(service_path)->SetPropertyChangedHandler(handler);
}
// ShillServiceClient override.
virtual void ResetPropertyChangedHandler(
const dbus::ObjectPath& service_path) OVERRIDE {
GetHelper(service_path)->ResetPropertyChangedHandler();
}
// ShillServiceClient override.
virtual void GetProperties(const dbus::ObjectPath& service_path,
const DictionaryValueCallback& callback) OVERRIDE {
dbus::MethodCall method_call(flimflam::kFlimflamServiceInterface,
flimflam::kGetPropertiesFunction);
GetHelper(service_path)->CallDictionaryValueMethodWithErrorCallback(
&method_call,
base::Bind(callback, DBUS_METHOD_CALL_SUCCESS),
base::Bind(&OnGetPropertiesError, service_path, callback));
}
// ShillServiceClient override.
virtual void SetProperty(const dbus::ObjectPath& service_path,
const std::string& name,
const base::Value& value,
const VoidDBusMethodCallback& callback) OVERRIDE {
dbus::MethodCall method_call(flimflam::kFlimflamServiceInterface,
flimflam::kSetPropertyFunction);
dbus::MessageWriter writer(&method_call);
writer.AppendString(name);
ShillClientHelper::AppendValueDataAsVariant(&writer, value);
GetHelper(service_path)->CallVoidMethod(&method_call, callback);
}
// ShillServiceClient override.
virtual void ClearProperty(const dbus::ObjectPath& service_path,
const std::string& name,
const VoidDBusMethodCallback& callback) OVERRIDE {
dbus::MethodCall method_call(flimflam::kFlimflamServiceInterface,
flimflam::kClearPropertyFunction);
dbus::MessageWriter writer(&method_call);
writer.AppendString(name);
GetHelper(service_path)->CallVoidMethod(&method_call, callback);
}
// ShillServiceClient override.
virtual void Connect(const dbus::ObjectPath& service_path,
const base::Closure& callback,
const ErrorCallback& error_callback) OVERRIDE {
dbus::MethodCall method_call(flimflam::kFlimflamServiceInterface,
flimflam::kConnectFunction);
GetHelper(service_path)->CallVoidMethodWithErrorCallback(
&method_call, callback, error_callback);
}
// ShillServiceClient override.
virtual void Disconnect(const dbus::ObjectPath& service_path,
const VoidDBusMethodCallback& callback) OVERRIDE {
dbus::MethodCall method_call(flimflam::kFlimflamServiceInterface,
flimflam::kDisconnectFunction);
GetHelper(service_path)->CallVoidMethod(&method_call, callback);
}
// ShillServiceClient override.
virtual void Remove(const dbus::ObjectPath& service_path,
const VoidDBusMethodCallback& callback) OVERRIDE {
dbus::MethodCall method_call(flimflam::kFlimflamServiceInterface,
flimflam::kRemoveServiceFunction);
GetHelper(service_path)->CallVoidMethod(&method_call, callback);
}
// ShillServiceClient override.
virtual void ActivateCellularModem(
const dbus::ObjectPath& service_path,
const std::string& carrier,
const VoidDBusMethodCallback& callback) OVERRIDE {
dbus::MethodCall method_call(flimflam::kFlimflamServiceInterface,
flimflam::kActivateCellularModemFunction);
dbus::MessageWriter writer(&method_call);
writer.AppendString(carrier);
GetHelper(service_path)->CallVoidMethod(&method_call, callback);
}
// ShillServiceClient override.
virtual bool CallActivateCellularModemAndBlock(
const dbus::ObjectPath& service_path,
const std::string& carrier) OVERRIDE {
dbus::MethodCall method_call(flimflam::kFlimflamServiceInterface,
flimflam::kActivateCellularModemFunction);
dbus::MessageWriter writer(&method_call);
writer.AppendString(carrier);
return GetHelper(service_path)->CallVoidMethodAndBlock(&method_call);
}
private:
typedef std::map<std::string, ShillClientHelper*> HelperMap;
// Returns the corresponding ShillClientHelper for the profile.
ShillClientHelper* GetHelper(const dbus::ObjectPath& service_path) {
HelperMap::iterator it = helpers_.find(service_path.value());
if (it != helpers_.end())
return it->second;
// There is no helper for the profile, create it.
dbus::ObjectProxy* object_proxy =
bus_->GetObjectProxy(flimflam::kFlimflamServiceName, service_path);
ShillClientHelper* helper = new ShillClientHelper(bus_, object_proxy);
helper->MonitorPropertyChanged(flimflam::kFlimflamServiceInterface);
helpers_.insert(HelperMap::value_type(service_path.value(), helper));
return helper;
}
dbus::Bus* bus_;
HelperMap helpers_;
STLValueDeleter<HelperMap> helpers_deleter_;
DISALLOW_COPY_AND_ASSIGN(ShillServiceClientImpl);
};
// A stub implementation of ShillServiceClient.
class ShillServiceClientStubImpl : public ShillServiceClient {
public:
ShillServiceClientStubImpl() : weak_ptr_factory_(this) {}
virtual ~ShillServiceClientStubImpl() {}
// ShillServiceClient override.
virtual void SetPropertyChangedHandler(
const dbus::ObjectPath& service_path,
const PropertyChangedHandler& handler) OVERRIDE {}
// ShillServiceClient override.
virtual void ResetPropertyChangedHandler(
const dbus::ObjectPath& service_path) OVERRIDE {}
// ShillServiceClient override.
virtual void GetProperties(const dbus::ObjectPath& service_path,
const DictionaryValueCallback& callback) OVERRIDE {
MessageLoop::current()->PostTask(
FROM_HERE,
base::Bind(&ShillServiceClientStubImpl::PassEmptyDictionaryValue,
weak_ptr_factory_.GetWeakPtr(),
callback));
}
// ShillServiceClient override.
virtual void SetProperty(const dbus::ObjectPath& service_path,
const std::string& name,
const base::Value& value,
const VoidDBusMethodCallback& callback) OVERRIDE {
PostSuccessVoidCallback(callback);
}
// ShillServiceClient override.
virtual void ClearProperty(const dbus::ObjectPath& service_path,
const std::string& name,
const VoidDBusMethodCallback& callback) OVERRIDE {
PostSuccessVoidCallback(callback);
}
// ShillServiceClient override.
virtual void Connect(const dbus::ObjectPath& service_path,
const base::Closure& callback,
const ErrorCallback& error_callback) OVERRIDE {
MessageLoop::current()->PostTask(FROM_HERE, callback);
}
// ShillServiceClient override.
virtual void Disconnect(const dbus::ObjectPath& service_path,
const VoidDBusMethodCallback& callback) OVERRIDE {
PostSuccessVoidCallback(callback);
}
// ShillServiceClient override.
virtual void Remove(const dbus::ObjectPath& service_path,
const VoidDBusMethodCallback& callback) OVERRIDE {
PostSuccessVoidCallback(callback);
}
// ShillServiceClient override.
virtual void ActivateCellularModem(
const dbus::ObjectPath& service_path,
const std::string& carrier,
const VoidDBusMethodCallback& callback) OVERRIDE {
PostSuccessVoidCallback(callback);
}
// ShillServiceClient override.
virtual bool CallActivateCellularModemAndBlock(
const dbus::ObjectPath& service_path,
const std::string& carrier) OVERRIDE {
return true;
}
private:
void PassEmptyDictionaryValue(const DictionaryValueCallback& callback) const {
base::DictionaryValue dictionary;
callback.Run(DBUS_METHOD_CALL_SUCCESS, dictionary);
}
// Posts a task to run a void callback with success status code.
void PostSuccessVoidCallback(const VoidDBusMethodCallback& callback) {
MessageLoop::current()->PostTask(FROM_HERE,
base::Bind(callback,
DBUS_METHOD_CALL_SUCCESS));
}
// Note: This should remain the last member so it'll be destroyed and
// invalidate its weak pointers before any other members are destroyed.
base::WeakPtrFactory<ShillServiceClientStubImpl> weak_ptr_factory_;
DISALLOW_COPY_AND_ASSIGN(ShillServiceClientStubImpl);
};
} // namespace
ShillServiceClient::ShillServiceClient() {}
ShillServiceClient::~ShillServiceClient() {}
// static
ShillServiceClient* ShillServiceClient::Create(
DBusClientImplementationType type,
dbus::Bus* bus) {
if (type == REAL_DBUS_CLIENT_IMPLEMENTATION)
return new ShillServiceClientImpl(bus);
DCHECK_EQ(STUB_DBUS_CLIENT_IMPLEMENTATION, type);
return new ShillServiceClientStubImpl();
}
} // namespace chromeos
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