Internal refactor

PiperOrigin-RevId: 815749899

internal/platform/implementation/windows/ble_server_socket.cc

@@ -0,0 +1,77 @@
+// Copyright 2023 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 "internal/platform/implementation/windows/ble_server_socket.h"
+
+#include <cstddef>
+#include <exception>
+#include <memory>
+
+#include "absl/synchronization/mutex.h"
+#include "absl/synchronization/notification.h"
+#include "internal/platform/exception.h"
+#include "internal/platform/implementation/ble.h"
+#include "internal/platform/implementation/bluetooth_adapter.h"
+#include "internal/platform/implementation/windows/ble_socket.h"
+#include "internal/platform/implementation/windows/bluetooth_adapter.h"
+#include "internal/platform/implementation/windows/utils.h"
+#include "internal/platform/logging.h"
+
+namespace nearby {
+namespace windows {
+
+BleServerSocket::BleServerSocket(api::BluetoothAdapter* adapter)
+    : adapter_(dynamic_cast<BluetoothAdapter*>(adapter)) {
+  DCHECK_NE(adapter_, nullptr);
+}
+
+std::unique_ptr<api::ble::BleSocket> BleServerSocket::Accept() {
+  absl::MutexLock lock(&mutex_);
+  VLOG(1) << __func__ << ": Accept is called.";
+
+  while (!closed_ && pending_sockets_.empty()) {
+    cond_.Wait(&mutex_);
+  }
+  if (closed_) return nullptr;
+
+  BleSocket ble_socket = pending_sockets_.front();
+  pending_sockets_.pop_front();
+
+  LOG(INFO) << __func__ << ": Accepted a remote connection.";
+  return std::make_unique<BleSocket>(ble_socket);
+}
+
+Exception BleServerSocket::Close() {
+  // TODO(b/271031645): implement BLE socket using weave
+  absl::MutexLock lock(&mutex_);
+  VLOG(1) << __func__ << ": Close is called.";
+
+  if (closed_) {
+    return {Exception::kSuccess};
+  }
+
+  closed_ = true;
+  cond_.SignalAll();
+
+  return {Exception::kSuccess};
+}
+
+bool BleServerSocket::Bind() {
+  // TODO(b/271031645): implement BLE socket using weave
+  LOG(ERROR) << __func__ << ": GATT socket started.";
+  return true;
+}
+
+}  // namespace windows
+}  // namespace nearby