blob: b32befc80083f5f6bb406b81c17debac73535d6f [file] [log] [blame]
// Copyright 2014 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 "device/bluetooth/dbus/fake_bluetooth_gatt_descriptor_client.h"
#include <vector>
#include "base/bind.h"
#include "base/callback.h"
#include "base/callback_forward.h"
#include "base/logging.h"
#include "dbus/bus.h"
#include "dbus/property.h"
#include "device/bluetooth/dbus/bluetooth_gatt_characteristic_client.h"
#include "device/bluetooth/dbus/bluez_dbus_manager.h"
#include "third_party/cros_system_api/dbus/service_constants.h"
namespace bluez {
const char FakeBluetoothGattDescriptorClient::
kClientCharacteristicConfigurationPathComponent[] = "desc0000";
const char FakeBluetoothGattDescriptorClient::
kClientCharacteristicConfigurationUUID[] =
"00002902-0000-1000-8000-00805f9b34fb";
FakeBluetoothGattDescriptorClient::Properties::Properties(
const PropertyChangedCallback& callback)
: BluetoothGattDescriptorClient::Properties(
NULL,
bluetooth_gatt_descriptor::kBluetoothGattDescriptorInterface,
callback) {}
FakeBluetoothGattDescriptorClient::Properties::~Properties() {}
void FakeBluetoothGattDescriptorClient::Properties::Get(
dbus::PropertyBase* property,
dbus::PropertySet::GetCallback callback) {
VLOG(1) << "Get " << property->name();
callback.Run(true);
}
void FakeBluetoothGattDescriptorClient::Properties::GetAll() {
VLOG(1) << "GetAll";
}
void FakeBluetoothGattDescriptorClient::Properties::Set(
dbus::PropertyBase* property,
dbus::PropertySet::SetCallback callback) {
VLOG(1) << "Set " << property->name();
callback.Run(false);
}
FakeBluetoothGattDescriptorClient::DescriptorData::DescriptorData() {}
FakeBluetoothGattDescriptorClient::DescriptorData::~DescriptorData() {}
FakeBluetoothGattDescriptorClient::FakeBluetoothGattDescriptorClient()
: weak_ptr_factory_(this) {}
FakeBluetoothGattDescriptorClient::~FakeBluetoothGattDescriptorClient() {
for (PropertiesMap::iterator iter = properties_.begin();
iter != properties_.end(); iter++)
delete iter->second;
}
void FakeBluetoothGattDescriptorClient::Init(dbus::Bus* bus) {}
void FakeBluetoothGattDescriptorClient::AddObserver(Observer* observer) {
observers_.AddObserver(observer);
}
void FakeBluetoothGattDescriptorClient::RemoveObserver(Observer* observer) {
observers_.RemoveObserver(observer);
}
std::vector<dbus::ObjectPath>
FakeBluetoothGattDescriptorClient::GetDescriptors() {
std::vector<dbus::ObjectPath> descriptors;
for (PropertiesMap::const_iterator iter = properties_.begin();
iter != properties_.end(); ++iter) {
descriptors.push_back(iter->first);
}
return descriptors;
}
FakeBluetoothGattDescriptorClient::Properties*
FakeBluetoothGattDescriptorClient::GetProperties(
const dbus::ObjectPath& object_path) {
PropertiesMap::const_iterator iter = properties_.find(object_path);
if (iter == properties_.end())
return NULL;
return iter->second->properties.get();
}
void FakeBluetoothGattDescriptorClient::ReadValue(
const dbus::ObjectPath& object_path,
const ValueCallback& callback,
const ErrorCallback& error_callback) {
PropertiesMap::iterator iter = properties_.find(object_path);
if (iter == properties_.end()) {
error_callback.Run(kUnknownDescriptorError, "");
return;
}
// Assign the value of the descriptor as necessary
Properties* properties = iter->second->properties.get();
if (properties->uuid.value() == kClientCharacteristicConfigurationUUID) {
BluetoothGattCharacteristicClient::Properties* chrc_props =
bluez::BluezDBusManager::Get()
->GetBluetoothGattCharacteristicClient()
->GetProperties(properties->characteristic.value());
DCHECK(chrc_props);
uint8_t value_byte = chrc_props->notifying.value() ? 0x01 : 0x00;
const std::vector<uint8_t>& cur_value = properties->value.value();
if (cur_value.empty() || cur_value[0] != value_byte) {
std::vector<uint8_t> value = {value_byte, 0x00};
properties->value.ReplaceValue(value);
}
}
callback.Run(iter->second->properties->value.value());
}
void FakeBluetoothGattDescriptorClient::WriteValue(
const dbus::ObjectPath& object_path,
const std::vector<uint8_t>& value,
const base::Closure& callback,
const ErrorCallback& error_callback) {
if (properties_.find(object_path) == properties_.end()) {
error_callback.Run(kUnknownDescriptorError, "");
return;
}
// Since the only fake descriptor is "Client Characteristic Configuration"
// and BlueZ doesn't allow writing to it, return failure.
error_callback.Run(bluetooth_gatt_service::kErrorWriteNotPermitted,
"Writing to the Client Characteristic Configuration "
"descriptor not allowed");
}
dbus::ObjectPath FakeBluetoothGattDescriptorClient::ExposeDescriptor(
const dbus::ObjectPath& characteristic_path,
const std::string& uuid) {
if (uuid != kClientCharacteristicConfigurationUUID) {
VLOG(2) << "Unsupported UUID: " << uuid;
return dbus::ObjectPath();
}
// CCC descriptor is the only one supported at the moment.
DCHECK(characteristic_path.IsValid());
dbus::ObjectPath object_path(characteristic_path.value() + "/" +
kClientCharacteristicConfigurationPathComponent);
DCHECK(object_path.IsValid());
PropertiesMap::const_iterator iter = properties_.find(object_path);
if (iter != properties_.end()) {
VLOG(1) << "Descriptor already exposed: " << object_path.value();
return dbus::ObjectPath();
}
Properties* properties = new Properties(
base::Bind(&FakeBluetoothGattDescriptorClient::OnPropertyChanged,
weak_ptr_factory_.GetWeakPtr(), object_path));
properties->uuid.ReplaceValue(uuid);
properties->characteristic.ReplaceValue(characteristic_path);
DescriptorData* data = new DescriptorData();
data->properties.reset(properties);
properties_[object_path] = data;
NotifyDescriptorAdded(object_path);
return object_path;
}
void FakeBluetoothGattDescriptorClient::HideDescriptor(
const dbus::ObjectPath& descriptor_path) {
PropertiesMap::iterator iter = properties_.find(descriptor_path);
if (iter == properties_.end()) {
VLOG(1) << "Descriptor not exposed: " << descriptor_path.value();
return;
}
NotifyDescriptorRemoved(descriptor_path);
delete iter->second;
properties_.erase(iter);
}
void FakeBluetoothGattDescriptorClient::OnPropertyChanged(
const dbus::ObjectPath& object_path,
const std::string& property_name) {
VLOG(2) << "Descriptor property changed: " << object_path.value() << ": "
<< property_name;
FOR_EACH_OBSERVER(BluetoothGattDescriptorClient::Observer, observers_,
GattDescriptorPropertyChanged(object_path, property_name));
}
void FakeBluetoothGattDescriptorClient::NotifyDescriptorAdded(
const dbus::ObjectPath& object_path) {
FOR_EACH_OBSERVER(BluetoothGattDescriptorClient::Observer, observers_,
GattDescriptorAdded(object_path));
}
void FakeBluetoothGattDescriptorClient::NotifyDescriptorRemoved(
const dbus::ObjectPath& object_path) {
FOR_EACH_OBSERVER(BluetoothGattDescriptorClient::Observer, observers_,
GattDescriptorRemoved(object_path));
}
} // namespace bluez