Internal change

PiperOrigin-RevId: 385190129

cpp/platform/impl/windows/bluetooth_classic_socket.h

@@ -0,0 +1,82 @@
+// 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.
+
+#ifndef PLATFORM_IMPL_WINDOWS_BLUETOOTH_CLASSIC_SOCKET_H_
+#define PLATFORM_IMPL_WINDOWS_BLUETOOTH_CLASSIC_SOCKET_H_
+
+#include "platform/api/bluetooth_classic.h"
+
+namespace location {
+namespace nearby {
+namespace windows {
+// https://developer.android.com/reference/android/bluetooth/BluetoothSocket.html.
+class BluetoothSocket : public api::BluetoothSocket {
+ public:
+  // TODO(b/184975123): replace with real implementation.
+  ~BluetoothSocket() override;
+
+  // NOTE:
+  // It is an undefined behavior if GetInputStream() or GetOutputStream() is
+  // called for a not-connected BluetoothSocket, i.e. any object that is not
+  // returned by BluetoothClassicMedium::ConnectToService() for client side or
+  // BluetoothServerSocket::Accept() for server side of connection.
+
+  // Returns the InputStream of this connected BluetoothSocket.
+  // TODO(b/184975123): replace with real implementation.
+  InputStream& GetInputStream() override;
+
+  // Returns the OutputStream of this connected BluetoothSocket.
+  // TODO(b/184975123): replace with real implementation.
+  OutputStream& GetOutputStream() override;
+
+  // Closes both input and output streams, marks Socket as closed.
+  // After this call object should be treated as not connected.
+  // Returns Exception::kIo on error, Exception::kSuccess otherwise.
+  // TODO(b/184975123): replace with real implementation.
+  Exception Close() override;
+
+  // https://developer.android.com/reference/android/bluetooth/BluetoothSocket.html#getRemoteDevice()
+  // Returns valid BluetoothDevice pointer if there is a connection, and
+  // nullptr otherwise.
+  // TODO(b/184975123): replace with real implementation.
+  api::BluetoothDevice* GetRemoteDevice() override;
+
+ private:
+  class FakeInputStream : public InputStream {
+   public:
+    ~FakeInputStream() override = default;
+    ExceptionOr<ByteArray> Read(std::int64_t size) override {
+      return ExceptionOr<ByteArray>(Exception::kFailed);
+    }
+    Exception Close() override { return {.value = Exception::kFailed}; }
+  };
+  class FakeOutputStream : public OutputStream {
+   public:
+    ~FakeOutputStream() override = default;
+
+    Exception Write(const ByteArray& data) override {
+      return {.value = Exception::kFailed};
+    }
+    Exception Flush() override { return {.value = Exception::kFailed}; }
+    Exception Close() override { return {.value = Exception::kFailed}; }
+  };
+  FakeInputStream fake_input_stream_;
+  FakeOutputStream fake_output_stream_;
+};
+
+}  // namespace windows
+}  // namespace nearby
+}  // namespace location
+
+#endif  // PLATFORM_IMPL_WINDOWS_BLUETOOTH_CLASSIC_SOCKET_H_