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-rw-r--r--chromeos/dbus/bluetooth_profile_service_provider.cc248
1 files changed, 248 insertions, 0 deletions
diff --git a/chromeos/dbus/bluetooth_profile_service_provider.cc b/chromeos/dbus/bluetooth_profile_service_provider.cc
new file mode 100644
index 0000000..f63f5ea
--- /dev/null
+++ b/chromeos/dbus/bluetooth_profile_service_provider.cc
@@ -0,0 +1,248 @@
+// Copyright 2013 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/bluetooth_profile_service_provider.h"
+
+#include "base/bind.h"
+#include "base/logging.h"
+#include "base/memory/ref_counted.h"
+#include "base/threading/platform_thread.h"
+#include "chromeos/dbus/dbus_thread_manager.h"
+#include "chromeos/dbus/fake_bluetooth_profile_service_provider.h"
+#include "dbus/exported_object.h"
+#include "dbus/message.h"
+#include "third_party/cros_system_api/dbus/service_constants.h"
+
+namespace chromeos {
+
+// The BluetoothProfileServiceProvider implementation used in production.
+class BluetoothProfileServiceProviderImpl
+ : public BluetoothProfileServiceProvider {
+ public:
+ BluetoothProfileServiceProviderImpl(dbus::Bus* bus,
+ const dbus::ObjectPath& object_path,
+ Delegate* delegate)
+ : origin_thread_id_(base::PlatformThread::CurrentId()),
+ bus_(bus),
+ delegate_(delegate),
+ object_path_(object_path),
+ weak_ptr_factory_(this) {
+ VLOG(1) << "Creating Bluetooth Profile: " << object_path_.value();
+
+ exported_object_ = bus_->GetExportedObject(object_path_);
+
+ exported_object_->ExportMethod(
+ bluetooth_profile::kBluetoothProfileInterface,
+ bluetooth_profile::kRelease,
+ base::Bind(&BluetoothProfileServiceProviderImpl::Release,
+ weak_ptr_factory_.GetWeakPtr()),
+ base::Bind(&BluetoothProfileServiceProviderImpl::OnExported,
+ weak_ptr_factory_.GetWeakPtr()));
+
+ exported_object_->ExportMethod(
+ bluetooth_profile::kBluetoothProfileInterface,
+ bluetooth_profile::kNewConnection,
+ base::Bind(&BluetoothProfileServiceProviderImpl::NewConnection,
+ weak_ptr_factory_.GetWeakPtr()),
+ base::Bind(&BluetoothProfileServiceProviderImpl::OnExported,
+ weak_ptr_factory_.GetWeakPtr()));
+
+ exported_object_->ExportMethod(
+ bluetooth_profile::kBluetoothProfileInterface,
+ bluetooth_profile::kRequestDisconnection,
+ base::Bind(&BluetoothProfileServiceProviderImpl::RequestDisconnection,
+ weak_ptr_factory_.GetWeakPtr()),
+ base::Bind(&BluetoothProfileServiceProviderImpl::OnExported,
+ weak_ptr_factory_.GetWeakPtr()));
+
+ exported_object_->ExportMethod(
+ bluetooth_profile::kBluetoothProfileInterface,
+ bluetooth_profile::kCancel,
+ base::Bind(&BluetoothProfileServiceProviderImpl::Cancel,
+ weak_ptr_factory_.GetWeakPtr()),
+ base::Bind(&BluetoothProfileServiceProviderImpl::OnExported,
+ weak_ptr_factory_.GetWeakPtr()));
+ }
+
+ ~BluetoothProfileServiceProviderImpl() override {
+ VLOG(1) << "Cleaning up Bluetooth Profile: " << object_path_.value();
+
+ // Unregister the object path so we can reuse with a new agent.
+ bus_->UnregisterExportedObject(object_path_);
+ }
+
+ private:
+ // Returns true if the current thread is on the origin thread.
+ bool OnOriginThread() {
+ return base::PlatformThread::CurrentId() == origin_thread_id_;
+ }
+
+ // Called by dbus:: when the profile is unregistered from the Bluetooth
+ // daemon, generally by our request.
+ void Release(dbus::MethodCall* method_call,
+ dbus::ExportedObject::ResponseSender response_sender) {
+ DCHECK(OnOriginThread());
+ DCHECK(delegate_);
+
+ delegate_->Released();
+
+ response_sender.Run(dbus::Response::FromMethodCall(method_call));
+ }
+
+ // Called by dbus:: when the Bluetooth daemon establishes a new connection
+ // to the profile.
+ void NewConnection(dbus::MethodCall* method_call,
+ dbus::ExportedObject::ResponseSender response_sender) {
+ DCHECK(OnOriginThread());
+ DCHECK(delegate_);
+
+ dbus::MessageReader reader(method_call);
+ dbus::ObjectPath device_path;
+ scoped_ptr<dbus::FileDescriptor> fd(new dbus::FileDescriptor());
+ dbus::MessageReader array_reader(NULL);
+ if (!reader.PopObjectPath(&device_path) ||
+ !reader.PopFileDescriptor(fd.get()) ||
+ !reader.PopArray(&array_reader)) {
+ LOG(WARNING) << "NewConnection called with incorrect paramters: "
+ << method_call->ToString();
+ return;
+ }
+
+ Delegate::Options options;
+ while (array_reader.HasMoreData()) {
+ dbus::MessageReader dict_entry_reader(NULL);
+ std::string key;
+ if (!array_reader.PopDictEntry(&dict_entry_reader) ||
+ !dict_entry_reader.PopString(&key)) {
+ LOG(WARNING) << "NewConnection called with incorrect paramters: "
+ << method_call->ToString();
+ } else {
+ if (key == bluetooth_profile::kVersionProperty)
+ dict_entry_reader.PopVariantOfUint16(&options.version);
+ else if (key == bluetooth_profile::kFeaturesProperty)
+ dict_entry_reader.PopVariantOfUint16(&options.features);
+ }
+ }
+
+ Delegate::ConfirmationCallback callback = base::Bind(
+ &BluetoothProfileServiceProviderImpl::OnConfirmation,
+ weak_ptr_factory_.GetWeakPtr(), method_call, response_sender);
+
+ delegate_->NewConnection(device_path, fd.Pass(), options, callback);
+ }
+
+ // Called by dbus:: when the Bluetooth daemon is about to disconnect the
+ // profile.
+ void RequestDisconnection(
+ dbus::MethodCall* method_call,
+ dbus::ExportedObject::ResponseSender response_sender) {
+ DCHECK(OnOriginThread());
+ DCHECK(delegate_);
+
+ dbus::MessageReader reader(method_call);
+ dbus::ObjectPath device_path;
+ if (!reader.PopObjectPath(&device_path)) {
+ LOG(WARNING) << "RequestDisconnection called with incorrect paramters: "
+ << method_call->ToString();
+ return;
+ }
+
+ Delegate::ConfirmationCallback callback = base::Bind(
+ &BluetoothProfileServiceProviderImpl::OnConfirmation,
+ weak_ptr_factory_.GetWeakPtr(), method_call, response_sender);
+
+ delegate_->RequestDisconnection(device_path, callback);
+ }
+
+ // Called by dbus:: when the request failed before a reply was returned
+ // from the device.
+ void Cancel(dbus::MethodCall* method_call,
+ dbus::ExportedObject::ResponseSender response_sender) {
+ DCHECK(OnOriginThread());
+ DCHECK(delegate_);
+
+ delegate_->Cancel();
+
+ response_sender.Run(dbus::Response::FromMethodCall(method_call));
+ }
+
+ // Called by dbus:: when a method is exported.
+ void OnExported(const std::string& interface_name,
+ const std::string& method_name,
+ bool success) {
+ LOG_IF(WARNING, !success) << "Failed to export " << interface_name << "."
+ << method_name;
+ }
+
+ // Called by the Delegate in response to a method requiring confirmation.
+ void OnConfirmation(dbus::MethodCall* method_call,
+ dbus::ExportedObject::ResponseSender response_sender,
+ Delegate::Status status) {
+ DCHECK(OnOriginThread());
+
+ switch (status) {
+ case Delegate::SUCCESS: {
+ response_sender.Run(dbus::Response::FromMethodCall(method_call));
+ break;
+ }
+ case Delegate::REJECTED: {
+ response_sender.Run(dbus::ErrorResponse::FromMethodCall(
+ method_call, bluetooth_profile::kErrorRejected, "rejected"));
+ break;
+ }
+ case Delegate::CANCELLED: {
+ response_sender.Run(dbus::ErrorResponse::FromMethodCall(
+ method_call, bluetooth_profile::kErrorCanceled, "canceled"));
+ break;
+ }
+ default:
+ NOTREACHED() << "Unexpected status code from delegate: " << status;
+ }
+ }
+
+ // Origin thread (i.e. the UI thread in production).
+ base::PlatformThreadId origin_thread_id_;
+
+ // D-Bus bus object is exported on, not owned by this object and must
+ // outlive it.
+ dbus::Bus* bus_;
+
+ // All incoming method calls are passed on to the Delegate and a callback
+ // passed to generate the reply. |delegate_| is generally the object that
+ // owns this one, and must outlive it.
+ Delegate* delegate_;
+
+ // D-Bus object path of object we are exporting, kept so we can unregister
+ // again in our destructor.
+ dbus::ObjectPath object_path_;
+
+ // D-Bus object we are exporting, owned by this object.
+ scoped_refptr<dbus::ExportedObject> exported_object_;
+
+ // Weak pointer factory for generating 'this' pointers that might live longer
+ // than we do.
+ // 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<BluetoothProfileServiceProviderImpl> weak_ptr_factory_;
+
+ DISALLOW_COPY_AND_ASSIGN(BluetoothProfileServiceProviderImpl);
+};
+
+BluetoothProfileServiceProvider::BluetoothProfileServiceProvider() {}
+
+BluetoothProfileServiceProvider::~BluetoothProfileServiceProvider() {}
+
+// static
+BluetoothProfileServiceProvider* BluetoothProfileServiceProvider::Create(
+ dbus::Bus* bus,
+ const dbus::ObjectPath& object_path,
+ Delegate* delegate) {
+ if (!DBusThreadManager::Get()->IsUsingStub(DBusClientBundle::BLUETOOTH)) {
+ return new BluetoothProfileServiceProviderImpl(bus, object_path, delegate);
+ } else {
+ return new FakeBluetoothProfileServiceProvider(object_path, delegate);
+ }
+}
+
+} // namespace chromeos