Add support for local services/characteristics/descriptors.

device/bluetooth/bluetooth_remote_gatt_characteristic_bluez.cc

 // 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/bluetooth_remote_gatt_characteristic_bluez.h"
 
 #include <limits>
 #include <utility>
 
 #include "base/logging.h"
 #include "base/strings/stringprintf.h"
 #include "device/bluetooth/bluetooth_adapter_bluez.h"
 #include "device/bluetooth/bluetooth_device.h"
+#include "device/bluetooth/bluetooth_gatt_descriptor_bluez.h"
 #include "device/bluetooth/bluetooth_gatt_notify_session_bluez.h"
-#include "device/bluetooth/bluetooth_remote_gatt_characteristic_bluez.h"
-#include "device/bluetooth/bluetooth_remote_gatt_descriptor_bluez.h"
 #include "device/bluetooth/bluetooth_remote_gatt_service_bluez.h"
 #include "device/bluetooth/dbus/bluez_dbus_manager.h"
 #include "third_party/cros_system_api/dbus/service_constants.h"
 
 namespace bluez {
 
-namespace {
-
-// Stream operator for logging vector<uint8_t>.
-std::ostream& operator<<(std::ostream& out, const std::vector<uint8_t> bytes) {
-  out << "[";
-  for (std::vector<uint8_t>::const_iterator iter = bytes.begin();
-       iter != bytes.end(); ++iter) {
-    out << base::StringPrintf("%02X", *iter);
-  }
-  return out << "]";
-}
-
-}  // namespace
-
 BluetoothRemoteGattCharacteristicBlueZ::BluetoothRemoteGattCharacteristicBlueZ(
     BluetoothRemoteGattServiceBlueZ* service,
     const dbus::ObjectPath& object_path)
-    : object_path_(object_path),
-      service_(service),
+    : BluetoothGattCharacteristicBlueZ(service, object_path),
       num_notify_sessions_(0),
       notify_call_pending_(false),
       weak_ptr_factory_(this) {
   VLOG(1) << "Creating remote GATT characteristic with identifier: "
           << GetIdentifier() << ", UUID: " << GetUUID().canonical_value();
   bluez::BluezDBusManager::Get()
       ->GetBluetoothGattDescriptorClient()
       ->AddObserver(this);
 
   // Add all known GATT characteristic descriptors.
@@ skipping 19 matching lines @@
     delete iter->second;
 
   // Report an error for all pending calls to StartNotifySession.
   while (!pending_start_notify_calls_.empty()) {
     PendingStartNotifyCall callbacks = pending_start_notify_calls_.front();
     pending_start_notify_calls_.pop();
     callbacks.second.Run(device::BluetoothGattService::GATT_ERROR_FAILED);
   }
 }
 
-std::string BluetoothRemoteGattCharacteristicBlueZ::GetIdentifier() const {
-  return object_path_.value();
-}
-
-device::BluetoothUUID BluetoothRemoteGattCharacteristicBlueZ::GetUUID() const {
-  bluez::BluetoothGattCharacteristicClient::Properties* properties =
-      bluez::BluezDBusManager::Get()
-          ->GetBluetoothGattCharacteristicClient()
-          ->GetProperties(object_path_);
-  DCHECK(properties);
-  return device::BluetoothUUID(properties->uuid.value());
-}
-
 bool BluetoothRemoteGattCharacteristicBlueZ::IsLocal() const {
   return false;
 }
 
-const std::vector<uint8_t>& BluetoothRemoteGattCharacteristicBlueZ::GetValue()
-    const {
-  bluez::BluetoothGattCharacteristicClient::Properties* properties =
-      bluez::BluezDBusManager::Get()
-          ->GetBluetoothGattCharacteristicClient()
-          ->GetProperties(object_path_);
-
-  DCHECK(properties);
-
-  return properties->value.value();
-}
-
-device::BluetoothGattService*
-BluetoothRemoteGattCharacteristicBlueZ::GetService() const {
-  return service_;
-}
-
-device::BluetoothGattCharacteristic::Properties
-BluetoothRemoteGattCharacteristicBlueZ::GetProperties() const {
-  bluez::BluetoothGattCharacteristicClient::Properties* properties =
-      bluez::BluezDBusManager::Get()
-          ->GetBluetoothGattCharacteristicClient()
-          ->GetProperties(object_path_);
-  DCHECK(properties);
-
-  Properties props = PROPERTY_NONE;
-  const std::vector<std::string>& flags = properties->flags.value();
-  for (std::vector<std::string>::const_iterator iter = flags.begin();
-       iter != flags.end(); ++iter) {
-    if (*iter == bluetooth_gatt_characteristic::kFlagBroadcast)
-      props |= PROPERTY_BROADCAST;
-    if (*iter == bluetooth_gatt_characteristic::kFlagRead)
-      props |= PROPERTY_READ;
-    if (*iter == bluetooth_gatt_characteristic::kFlagWriteWithoutResponse)
-      props |= PROPERTY_WRITE_WITHOUT_RESPONSE;
-    if (*iter == bluetooth_gatt_characteristic::kFlagWrite)
-      props |= PROPERTY_WRITE;
-    if (*iter == bluetooth_gatt_characteristic::kFlagNotify)
-      props |= PROPERTY_NOTIFY;
-    if (*iter == bluetooth_gatt_characteristic::kFlagIndicate)
-      props |= PROPERTY_INDICATE;
-    if (*iter == bluetooth_gatt_characteristic::kFlagAuthenticatedSignedWrites)
-      props |= PROPERTY_AUTHENTICATED_SIGNED_WRITES;
-    if (*iter == bluetooth_gatt_characteristic::kFlagExtendedProperties)
-      props |= PROPERTY_EXTENDED_PROPERTIES;
-    if (*iter == bluetooth_gatt_characteristic::kFlagReliableWrite)
-      props |= PROPERTY_RELIABLE_WRITE;
-    if (*iter == bluetooth_gatt_characteristic::kFlagWritableAuxiliaries)
-      props |= PROPERTY_WRITABLE_AUXILIARIES;
-  }
-
-  return props;
-}
-
-device::BluetoothGattCharacteristic::Permissions
-BluetoothRemoteGattCharacteristicBlueZ::GetPermissions() const {
-  // TODO(armansito): Once BlueZ defines the permissions, return the correct
-  // values here.
-  return PERMISSION_NONE;
-}
-
-bool BluetoothRemoteGattCharacteristicBlueZ::IsNotifying() const {
-  bluez::BluetoothGattCharacteristicClient::Properties* properties =
-      bluez::BluezDBusManager::Get()
-          ->GetBluetoothGattCharacteristicClient()
-          ->GetProperties(object_path_);
-  DCHECK(properties);
-
-  return properties->notifying.value();
-}
-
-std::vector<device::BluetoothGattDescriptor*>
-BluetoothRemoteGattCharacteristicBlueZ::GetDescriptors() const {
-  std::vector<device::BluetoothGattDescriptor*> descriptors;
-  for (DescriptorMap::const_iterator iter = descriptors_.begin();
-       iter != descriptors_.end(); ++iter)
-    descriptors.push_back(iter->second);
-  return descriptors;
-}
-
-device::BluetoothGattDescriptor*
-BluetoothRemoteGattCharacteristicBlueZ::GetDescriptor(
-    const std::string& identifier) const {
-  DescriptorMap::const_iterator iter =
-      descriptors_.find(dbus::ObjectPath(identifier));
-  if (iter == descriptors_.end())
-    return NULL;
-  return iter->second;
-}
-
 bool BluetoothRemoteGattCharacteristicBlueZ::AddDescriptor(
     device::BluetoothGattDescriptor* descriptor) {
   VLOG(1) << "Descriptors cannot be added to a remote GATT characteristic.";
   return false;
 }
 
 bool BluetoothRemoteGattCharacteristicBlueZ::UpdateValue(
     const std::vector<uint8_t>& value) {
   VLOG(1) << "Cannot update the value of a remote GATT characteristic.";
   return false;
 }
 
-void BluetoothRemoteGattCharacteristicBlueZ::ReadRemoteCharacteristic(
-    const ValueCallback& callback,
-    const ErrorCallback& error_callback) {
-  VLOG(1) << "Sending GATT characteristic read request to characteristic: "
-          << GetIdentifier() << ", UUID: " << GetUUID().canonical_value()
-          << ".";
-
-  bluez::BluezDBusManager::Get()
-      ->GetBluetoothGattCharacteristicClient()
-      ->ReadValue(object_path_, callback,
-                  base::Bind(&BluetoothRemoteGattCharacteristicBlueZ::OnError,
-                             weak_ptr_factory_.GetWeakPtr(), error_callback));
-}
-
-void BluetoothRemoteGattCharacteristicBlueZ::WriteRemoteCharacteristic(
-    const std::vector<uint8_t>& new_value,
-    const base::Closure& callback,
-    const ErrorCallback& error_callback) {
-  VLOG(1) << "Sending GATT characteristic write request to characteristic: "
-          << GetIdentifier() << ", UUID: " << GetUUID().canonical_value()
-          << ", with value: " << new_value << ".";
-
-  bluez::BluezDBusManager::Get()
-      ->GetBluetoothGattCharacteristicClient()
-      ->WriteValue(object_path_, new_value, callback,
-                   base::Bind(&BluetoothRemoteGattCharacteristicBlueZ::OnError,
-                              weak_ptr_factory_.GetWeakPtr(), error_callback));
-}
-
 void BluetoothRemoteGattCharacteristicBlueZ::StartNotifySession(
     const NotifySessionCallback& callback,
     const ErrorCallback& error_callback) {
   VLOG(1) << __func__;
 
   if (num_notify_sessions_ > 0) {
     // The characteristic might have stopped notifying even though the session
     // count is nonzero. This means that notifications stopped outside of our
     // control and we should reset the count. If the characteristic is still
     // notifying, then return success. Otherwise, reset the count and treat
@@ skipping 90 matching lines @@
           ->GetProperties(object_path);
   DCHECK(properties);
   if (properties->characteristic.value() != object_path_) {
     VLOG(3) << "Remote GATT descriptor does not belong to this characteristic.";
     return;
   }
 
   VLOG(1) << "Adding new remote GATT descriptor for GATT characteristic: "
           << GetIdentifier() << ", UUID: " << GetUUID().canonical_value();
 
-  BluetoothRemoteGattDescriptorBlueZ* descriptor =
-      new BluetoothRemoteGattDescriptorBlueZ(this, object_path);
+  BluetoothGattDescriptorBlueZ* descriptor =
+      new BluetoothGattDescriptorBlueZ(this, object_path, false /* is_local */);
   descriptors_[object_path] = descriptor;
   DCHECK(descriptor->GetIdentifier() == object_path.value());
   DCHECK(descriptor->GetUUID().IsValid());
   DCHECK(service_);
 
   service_->NotifyDescriptorAddedOrRemoved(this, descriptor, true /* added */);
 }
 
 void BluetoothRemoteGattCharacteristicBlueZ::GattDescriptorRemoved(
     const dbus::ObjectPath& object_path) {
   DescriptorMap::iterator iter = descriptors_.find(object_path);
   if (iter == descriptors_.end()) {
     VLOG(2) << "Unknown descriptor removed: " << object_path.value();
     return;
   }
 
   VLOG(1) << "Removing remote GATT descriptor from characteristic: "
           << GetIdentifier() << ", UUID: " << GetUUID().canonical_value();
 
-  BluetoothRemoteGattDescriptorBlueZ* descriptor = iter->second;
+  BluetoothGattDescriptorBlueZ* descriptor = iter->second;
   DCHECK(descriptor->object_path() == object_path);
   descriptors_.erase(iter);
 
   DCHECK(service_);
   service_->NotifyDescriptorAddedOrRemoved(this, descriptor, false /* added */);
 
   delete descriptor;
 }
 
 void BluetoothRemoteGattCharacteristicBlueZ::GattDescriptorPropertyChanged(
@@ skipping 13 matching lines @@
   DCHECK(properties);
 
   if (property_name != properties->value.name())
     return;
 
   DCHECK(service_);
   service_->NotifyDescriptorValueChanged(this, iter->second,
                                          properties->value.value());
 }
 
-void BluetoothRemoteGattCharacteristicBlueZ::OnError(
-    const ErrorCallback& error_callback,
-    const std::string& error_name,
-    const std::string& error_message) {
-  VLOG(1) << "Operation failed: " << error_name
-          << ", message: " << error_message;
-  error_callback.Run(
-      BluetoothRemoteGattServiceBlueZ::DBusErrorToServiceError(error_name));
-}
-
 void BluetoothRemoteGattCharacteristicBlueZ::OnStartNotifySuccess(
     const NotifySessionCallback& callback) {
   VLOG(1) << "Started notifications from characteristic: "
           << object_path_.value();
   DCHECK(num_notify_sessions_ == 0);
   DCHECK(notify_call_pending_);
 
   ++num_notify_sessions_;
   notify_call_pending_ = false;
 
@@ skipping 53 matching lines @@
 
 void BluetoothRemoteGattCharacteristicBlueZ::ProcessStartNotifyQueue() {
   while (!pending_start_notify_calls_.empty()) {
     PendingStartNotifyCall callbacks = pending_start_notify_calls_.front();
     pending_start_notify_calls_.pop();
     StartNotifySession(callbacks.first, callbacks.second);
   }
 }
 
 }  // namespace bluez