Roll forward to cl/338482889

Signed-off-by: Alexey Polyudov <apolyudov@google.com> Change-Id: I9850950db8bd84f0904ea1a413151887f52098cf
2026-09-16 15:36:12 -04:00 · 2020-10-22 10:47:34 -07:00
parent d68e53cf03
commit 2155b3ddeb
542 changed files with 15219 additions and 42295 deletions
@@ -0,0 +1,128 @@
+#ifndef PLATFORM_IMPL_G3_BLUETOOTH_ADAPTER_H_
+#define PLATFORM_IMPL_G3_BLUETOOTH_ADAPTER_H_
+
+#include <string>
+
+#include "platform/api/ble.h"
+#include "platform/api/bluetooth_adapter.h"
+#include "platform/api/bluetooth_classic.h"
+#include "platform/impl/g3/single_thread_executor.h"
+#include "absl/base/thread_annotations.h"
+#include "absl/strings/string_view.h"
+#include "absl/synchronization/mutex.h"
+
+namespace location {
+namespace nearby {
+namespace g3 {
+
+// BluetoothDevice and BluetoothAdapter have a mutual dependency.
+class BluetoothAdapter;
+
+// Opaque wrapper over a Ble peripheral. Must contain enough data about a
+// particular Ble device to connect to its GATT server.
+class BlePeripheral : public api::BlePeripheral {
+ public:
+  ~BlePeripheral() override = default;
+
+  std::string GetName() const override;
+  ByteArray GetAdvertisementBytes(const std::string& service_id) const override;
+  void SetAdvertisementBytes(const std::string& service_id,
+                             const ByteArray& advertisement_bytes);
+  BluetoothAdapter& GetAdapter() { return adapter_; }
+
+ private:
+  // Only BluetoothAdapter may instantiate BlePeripheral.
+  friend class BluetoothAdapter;
+
+  explicit BlePeripheral(BluetoothAdapter* adapter);
+
+  BluetoothAdapter& adapter_;
+  ByteArray advertisement_bytes_;
+};
+
+// https://developer.android.com/reference/android/bluetooth/BluetoothDevice.html.
+class BluetoothDevice : public api::BluetoothDevice {
+ public:
+  ~BluetoothDevice() override = default;
+
+  // https://developer.android.com/reference/android/bluetooth/BluetoothDevice.html#getName()
+  std::string GetName() const override;
+  std::string GetMacAddress() const override;
+  BluetoothAdapter& GetAdapter() { return adapter_; }
+
+ private:
+  // Only BluetoothAdapter may instantiate BluetoothDevice.
+  friend class BluetoothAdapter;
+
+  explicit BluetoothDevice(BluetoothAdapter* adapter);
+
+  BluetoothAdapter& adapter_;
+};
+
+// https://developer.android.com/reference/android/bluetooth/BluetoothAdapter.html
+class BluetoothAdapter : public api::BluetoothAdapter {
+ public:
+  using Status = api::BluetoothAdapter::Status;
+  using ScanMode = api::BluetoothAdapter::ScanMode;
+
+  BluetoothAdapter();
+  ~BluetoothAdapter() override;
+
+  // Synchronously sets the status of the BluetoothAdapter to 'status', and
+  // returns true if the operation was a success.
+  bool SetStatus(Status status) override ABSL_LOCKS_EXCLUDED(mutex_);
+
+  // Returns true if the BluetoothAdapter's current status is
+  // Status::Value::kEnabled.
+  bool IsEnabled() const override ABSL_LOCKS_EXCLUDED(mutex_);
+
+  // https://developer.android.com/reference/android/bluetooth/BluetoothAdapter.html#getScanMode()
+  //
+  // Returns ScanMode::kUnknown on error.
+  ScanMode GetScanMode() const override ABSL_LOCKS_EXCLUDED(mutex_);
+
+  // Synchronously sets the scan mode of the adapter, and returns true if the
+  // operation was a success.
+  bool SetScanMode(ScanMode mode) override ABSL_LOCKS_EXCLUDED(mutex_);
+
+  // https://developer.android.com/reference/android/bluetooth/BluetoothAdapter.html#getName()
+  // Returns an empty string on error
+  std::string GetName() const override ABSL_LOCKS_EXCLUDED(mutex_);
+
+  // https://developer.android.com/reference/android/bluetooth/BluetoothAdapter.html#setName(java.lang.String)
+  bool SetName(absl::string_view name) override ABSL_LOCKS_EXCLUDED(mutex_);
+
+  // Returns BT MAC address assigned to this adapter.
+  std::string GetMacAddress() const override { return mac_address_; }
+
+  BluetoothDevice& GetDevice() { return device_; }
+
+  void SetBluetoothClassicMedium(api::BluetoothClassicMedium* medium);
+  api::BluetoothClassicMedium* GetBluetoothClassicMedium() {
+    return bluetooth_classic_medium_;
+  }
+
+  BlePeripheral& GetPeripheral() { return peripheral_; }
+
+  void SetBleMedium(api::BleMedium* medium);
+  api::BleMedium* GetBleMedium() { return ble_medium_; }
+
+  void SetMacAddress(std::string& mac_address) { mac_address_ = mac_address; }
+
+ private:
+  mutable absl::Mutex mutex_;
+  BluetoothDevice device_{this};
+  BlePeripheral peripheral_{this};
+  api::BluetoothClassicMedium* bluetooth_classic_medium_ = nullptr;
+  api::BleMedium* ble_medium_ = nullptr;
+  std::string mac_address_;
+  ScanMode mode_ ABSL_GUARDED_BY(mutex_) = ScanMode::kNone;
+  std::string name_ ABSL_GUARDED_BY(mutex_) = "unknown G3 BT device";
+  bool enabled_ ABSL_GUARDED_BY(mutex_) = false;
+};
+
+}  // namespace g3
+}  // namespace nearby
+}  // namespace location
+
+#endif  // PLATFORM_IMPL_G3_BLUETOOTH_ADAPTER_H_