nearby sdk refactor

PiperOrigin-RevId: 425434260

connections/implementation/injected_bluetooth_device_store.cc

@@ -0,0 +1,90 @@
+// Copyright 2020 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include "connections/implementation/injected_bluetooth_device_store.h"
+
+#include <string>
+
+#include "connections/implementation/bluetooth_device_name.h"
+#include "internal/platform/implementation/bluetooth_classic.h"
+#include "internal/platform/bluetooth_utils.h"
+
+namespace location {
+namespace nearby {
+namespace connections {
+namespace {
+
+// api::BluetoothDevice implementation which stores a name and address passed to
+// its constructor and trivially returns them to implement virtual functions.
+class InjectedBluetoothDevice : public api::BluetoothDevice {
+ public:
+  InjectedBluetoothDevice(const std::string& name,
+                          const std::string& mac_address)
+      : name_(name), mac_address_(mac_address) {}
+
+  ~InjectedBluetoothDevice() override = default;
+
+  // api::BluetoothDevice:
+  std::string GetName() const override { return name_; }
+
+  std::string GetMacAddress() const override { return mac_address_; }
+
+ private:
+  const std::string name_;
+  const std::string mac_address_;
+};
+
+}  // namespace
+
+InjectedBluetoothDeviceStore::InjectedBluetoothDeviceStore() = default;
+
+InjectedBluetoothDeviceStore::~InjectedBluetoothDeviceStore() = default;
+
+BluetoothDevice InjectedBluetoothDeviceStore::CreateInjectedBluetoothDevice(
+    const ByteArray& remote_bluetooth_mac_address,
+    const std::string& endpoint_id, const ByteArray& endpoint_info,
+    const ByteArray& service_id_hash, Pcp pcp) {
+  std::string remote_bluetooth_mac_address_str =
+      BluetoothUtils::ToString(remote_bluetooth_mac_address);
+
+  // Valid MAC address is required.
+  if (remote_bluetooth_mac_address_str.empty())
+    return BluetoothDevice(/*device=*/nullptr);
+
+  // Non-empty endpoint info is required.
+  if (endpoint_info.Empty()) return BluetoothDevice(/*device=*/nullptr);
+
+  BluetoothDeviceName name(BluetoothDeviceName::Version::kV1, pcp, endpoint_id,
+                           service_id_hash, endpoint_info,
+                           /*uwb_address=*/ByteArray(),
+                           WebRtcState::kConnectable);
+
+  // Note: BluetoothDeviceName internally verifies that |endpoint_id| and
+  // |service_id_hash| are valid; the check below will fail if they are
+  // malformed.
+  if (!name.IsValid()) return BluetoothDevice(/*device=*/nullptr);
+
+  auto injected_device = std::make_unique<InjectedBluetoothDevice>(
+      static_cast<std::string>(name), remote_bluetooth_mac_address_str);
+  BluetoothDevice device_to_return(injected_device.get());
+
+  // Store underlying device to ensure that it is kept alive for future use.
+  devices_.emplace_back(std::move(injected_device));
+
+  return device_to_return;
+}
+
+}  // namespace connections
+}  // namespace nearby
+}  // namespace location