nearby: snapshot of cl/304428753

Signed-off-by: Alexey Polyudov <apolyudov@google.com> Change-Id: I0023ac6e40456fc4a8169c3173bcbff3b5ccc476
2026-09-16 07:36:10 -04:00 · 2020-04-04 12:54:05 -07:00
parent 204f76077d
commit d455926d89
87 changed files with 2869 additions and 631 deletions
@@ -0,0 +1,124 @@
+#ifndef PLATFORM_API2_BLUETOOTH_CLASSIC_H_
+#define PLATFORM_API2_BLUETOOTH_CLASSIC_H_
+
+#include <memory>
+#include <string>
+
+#include "platform/api2/input_stream.h"
+#include "platform/api2/output_stream.h"
+#include "platform/byte_array.h"
+#include "platform/exception.h"
+#include "absl/strings/string_view.h"
+
+namespace location {
+namespace nearby {
+
+// https://developer.android.com/reference/android/bluetooth/BluetoothDevice.html.
+class BluetoothDevice {
+ public:
+  virtual ~BluetoothDevice() {}
+
+  // https://developer.android.com/reference/android/bluetooth/BluetoothDevice.html#getName()
+  virtual std::string GetName() = 0;
+};
+
+// https://developer.android.com/reference/android/bluetooth/BluetoothSocket.html.
+class BluetoothSocket {
+ public:
+  virtual ~BluetoothSocket() {}
+
+  // Returns the InputStream of the BluetoothSocket.
+  virtual InputStream& GetInputStream() = 0;
+
+  // Returns the OutputStream of the BluetoothSocket.
+  virtual OutputStream& GetOutputStream() = 0;
+
+  // https://developer.android.com/reference/android/bluetooth/BluetoothSocket.html#close()
+  //
+  // Returns Exception::kIo on error, Exception::kSuccess otherwise.
+  virtual Exception Close() = 0;
+
+  // https://developer.android.com/reference/android/bluetooth/BluetoothSocket.html#getRemoteDevice()
+  virtual BluetoothDevice& GetRemoteDevice() = 0;
+};
+
+// https://developer.android.com/reference/android/bluetooth/BluetoothServerSocket.html.
+class BluetoothServerSocket {
+ public:
+  virtual ~BluetoothServerSocket() {}
+
+  // https://developer.android.com/reference/android/bluetooth/BluetoothServerSocket.html#accept()
+  //
+  // returns Exception::kIo on error.
+  virtual ExceptionOr<std::unique_ptr<BluetoothSocket>> Accept() = 0;
+
+  // https://developer.android.com/reference/android/bluetooth/BluetoothServerSocket.html#close()
+  //
+  // Returns Exception::kIo on error, Exception::kSuccess otherwise.
+  virtual Exception Close() = 0;
+};
+
+// Container of operations that can be performed over the Bluetooth Classic
+// medium.
+class BluetoothClassicMedium {
+ public:
+  virtual ~BluetoothClassicMedium() {}
+
+  class DiscoveryCallback {
+   public:
+    virtual ~DiscoveryCallback() {}
+
+    // BluetoothDevice* is not owned by callbacks.
+    // Pointer is guaranteed to remain valid for the duration of a call.
+    virtual void OnDeviceDiscovered(BluetoothDevice* device) = 0;
+    virtual void OnDeviceNameChanged(BluetoothDevice* device) = 0;
+    virtual void OnDeviceLost(BluetoothDevice* device) = 0;
+  };
+
+  // https://developer.android.com/reference/android/bluetooth/BluetoothAdapter.html#startDiscovery()
+  //
+  // Returns true once the process of discovery has been initiated.
+  //
+  // Does not take ownership of the passed-in discovery_callback -- destroying
+  // that is up to the caller.
+  virtual bool StartDiscovery(const DiscoveryCallback& discovery_callback) = 0;
+  // https://developer.android.com/reference/android/bluetooth/BluetoothAdapter.html#cancelDiscovery()
+  //
+  // Returns true once discovery is well and truly stopped; after this returns,
+  // there must be no more invocations of the DiscoveryCallback passed in to
+  // startDiscovery().
+  virtual bool StopDiscovery() = 0;
+
+  // A combination of
+  // https://developer.android.com/reference/android/bluetooth/BluetoothDevice.html#createInsecureRfcommSocketToServiceRecord
+  // followed by
+  // https://developer.android.com/reference/android/bluetooth/BluetoothSocket.html#connect().
+  //
+  // service_uuid is the canonical textual representation
+  // (https://en.wikipedia.org/wiki/Universally_unique_identifier#Format) of a
+  // type 3 name-based
+  // (https://en.wikipedia.org/wiki/Universally_unique_identifier#Versions_3_and_5_(namespace_name-based))
+  // UUID.
+  //
+  // On success, returns a new BluetoothSocket, wrapped in a ExceptionOr object.
+  // On error, returns Exception object.
+  virtual ExceptionOr<std::unique_ptr<BluetoothSocket>> ConnectToService(
+      BluetoothDevice* remote_device, absl::string_view service_uuid) = 0;
+
+  // https://developer.android.com/reference/android/bluetooth/BluetoothAdapter.html#listenUsingInsecureRfcommWithServiceRecord
+  //
+  // service_uuid is the canonical textual representation
+  // (https://en.wikipedia.org/wiki/Universally_unique_identifier#Format) of a
+  // type 3 name-based
+  // (https://en.wikipedia.org/wiki/Universally_unique_identifier#Versions_3_and_5_(namespace_name-based))
+  // UUID.
+  //
+  //  Returns Exception::kIo on error.
+  virtual ExceptionOr<std::unique_ptr<BluetoothServerSocket>> ListenForService(
+      absl::string_view service_name, absl::string_view service_uuid) = 0;
+};
+
+}  // namespace nearby
+}  // namespace location
+
+#endif  // PLATFORM_API2_BLUETOOTH_CLASSIC_H_