Add connectability module

Bug: 142060811
Test: Compiles
Change-Id: I0afa5f6a29b8c9c4d2b3e7dd8df427549abe01d5
diff --git a/system/gd/neighbor/connectability.cc b/system/gd/neighbor/connectability.cc
new file mode 100644
index 0000000..8a60bdd
--- /dev/null
+++ b/system/gd/neighbor/connectability.cc
@@ -0,0 +1,104 @@
+/*
+ * Copyright 2019 The Android Open Source Project
+ *
+ * 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
+ *
+ *      http://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.
+ */
+#define LOG_TAG "neighbor2"
+
+#include <memory>
+
+#include "hci/hci_layer.h"
+#include "hci/hci_packets.h"
+#include "module.h"
+#include "neighbor/connectability.h"
+#include "neighbor/scan.h"
+#include "os/handler.h"
+#include "os/log.h"
+
+namespace bluetooth {
+namespace neighbor {
+
+struct ConnectabilityModule::impl {
+  void StartConnectability();
+  void StopConnectability();
+  bool IsConnectable() const;
+
+  void Start();
+  void Stop();
+
+  impl(ConnectabilityModule& connectability_module);
+
+ private:
+  ConnectabilityModule& module_;
+
+  neighbor::ScanModule* scan_module_;
+};
+
+const ModuleFactory neighbor::ConnectabilityModule::Factory =
+    ModuleFactory([]() { return new ConnectabilityModule(); });
+
+neighbor::ConnectabilityModule::impl::impl(neighbor::ConnectabilityModule& module) : module_(module) {}
+
+void neighbor::ConnectabilityModule::impl::StartConnectability() {
+  scan_module_->SetPageScan();
+}
+
+void neighbor::ConnectabilityModule::impl::StopConnectability() {
+  scan_module_->ClearPageScan();
+}
+
+bool neighbor::ConnectabilityModule::impl::IsConnectable() const {
+  return scan_module_->IsPageEnabled();
+}
+
+void neighbor::ConnectabilityModule::impl::Start() {
+  scan_module_ = module_.GetDependency<neighbor::ScanModule>();
+}
+
+void neighbor::ConnectabilityModule::impl::Stop() {}
+
+neighbor::ConnectabilityModule::ConnectabilityModule() : pimpl_(std::make_unique<impl>(*this)) {}
+
+neighbor::ConnectabilityModule::~ConnectabilityModule() {
+  pimpl_.reset();
+}
+
+void neighbor::ConnectabilityModule::StartConnectability() {
+  pimpl_->StartConnectability();
+}
+
+void neighbor::ConnectabilityModule::StopConnectability() {
+  pimpl_->StopConnectability();
+}
+
+bool neighbor::ConnectabilityModule::IsConnectable() const {
+  return pimpl_->IsConnectable();
+}
+
+/**
+ * Module stuff
+ */
+void neighbor::ConnectabilityModule::ListDependencies(ModuleList* list) {
+  list->add<neighbor::ScanModule>();
+}
+
+void neighbor::ConnectabilityModule::Start() {
+  pimpl_->Start();
+}
+
+void neighbor::ConnectabilityModule::Stop() {
+  pimpl_->Stop();
+}
+
+}  // namespace neighbor
+}  // namespace bluetooth
diff --git a/system/gd/neighbor/connectability.h b/system/gd/neighbor/connectability.h
new file mode 100644
index 0000000..8cdd643
--- /dev/null
+++ b/system/gd/neighbor/connectability.h
@@ -0,0 +1,49 @@
+/*
+ * Copyright 2019 The Android Open Source Project
+ *
+ * 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
+ *
+ *      http://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.
+ */
+#pragma once
+
+#include <memory>
+
+#include "module.h"
+
+namespace bluetooth {
+namespace neighbor {
+
+class ConnectabilityModule : public bluetooth::Module {
+ public:
+  void StartConnectability();
+  void StopConnectability();
+  bool IsConnectable() const;
+
+  ConnectabilityModule();
+  ~ConnectabilityModule();
+
+  static const ModuleFactory Factory;
+
+ protected:
+  void ListDependencies(ModuleList* list) override;
+  void Start() override;
+  void Stop() override;
+
+ private:
+  struct impl;
+  std::unique_ptr<impl> pimpl_;
+
+  DISALLOW_COPY_AND_ASSIGN(ConnectabilityModule);
+};
+
+}  // namespace neighbor
+}  // namespace bluetooth