Add AIDL implementation for the vendor HAL service.

Bug: 205044134
Test: Pass AIDL VTS tests and regression tests.
Change-Id: Iad04ce01f71fc220443e05a4be05d7d5545227e8
diff --git a/wifi/aidl/default/wifi_rtt_controller.h b/wifi/aidl/default/wifi_rtt_controller.h
new file mode 100644
index 0000000..db690c3
--- /dev/null
+++ b/wifi/aidl/default/wifi_rtt_controller.h
@@ -0,0 +1,102 @@
+/*
+ * Copyright (C) 2022 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.
+ */
+
+#ifndef WIFI_RTT_CONTROLLER_H_
+#define WIFI_RTT_CONTROLLER_H_
+
+#include <aidl/android/hardware/wifi/BnWifiRttController.h>
+#include <aidl/android/hardware/wifi/IWifiRttControllerEventCallback.h>
+#include <aidl/android/hardware/wifi/IWifiStaIface.h>
+#include <android-base/macros.h>
+
+#include "wifi_legacy_hal.h"
+
+namespace aidl {
+namespace android {
+namespace hardware {
+namespace wifi {
+
+/**
+ * AIDL interface object used to control all RTT operations.
+ */
+class WifiRttController : public BnWifiRttController {
+  public:
+    WifiRttController(const std::string& iface_name,
+                      const std::shared_ptr<IWifiStaIface>& bound_iface,
+                      const std::weak_ptr<legacy_hal::WifiLegacyHal> legacy_hal);
+    // Factory method - use instead of default constructor.
+    static std::shared_ptr<WifiRttController> create(
+            const std::string& iface_name, const std::shared_ptr<IWifiStaIface>& bound_iface,
+            const std::weak_ptr<legacy_hal::WifiLegacyHal> legacy_hal);
+
+    // Refer to |WifiChip::invalidate()|.
+    void invalidate();
+    bool isValid();
+    std::vector<std::shared_ptr<IWifiRttControllerEventCallback>> getEventCallbacks();
+    std::string getIfaceName();
+
+    // AIDL methods exposed.
+    ndk::ScopedAStatus getBoundIface(std::shared_ptr<IWifiStaIface>* _aidl_return) override;
+    ndk::ScopedAStatus registerEventCallback(
+            const std::shared_ptr<IWifiRttControllerEventCallback>& callback) override;
+    ndk::ScopedAStatus rangeRequest(int32_t in_cmdId,
+                                    const std::vector<RttConfig>& in_rttConfigs) override;
+    ndk::ScopedAStatus rangeCancel(int32_t in_cmdId,
+                                   const std::vector<MacAddress>& in_addrs) override;
+    ndk::ScopedAStatus getCapabilities(RttCapabilities* _aidl_return) override;
+    ndk::ScopedAStatus setLci(int32_t in_cmdId, const RttLciInformation& in_lci) override;
+    ndk::ScopedAStatus setLcr(int32_t in_cmdId, const RttLcrInformation& in_lcr) override;
+    ndk::ScopedAStatus getResponderInfo(RttResponder* _aidl_return) override;
+    ndk::ScopedAStatus enableResponder(int32_t in_cmdId, const WifiChannelInfo& in_channelHint,
+                                       int32_t in_maxDurationInSeconds,
+                                       const RttResponder& in_info) override;
+    ndk::ScopedAStatus disableResponder(int32_t in_cmdId) override;
+
+  private:
+    // Corresponding worker functions for the AIDL methods.
+    std::pair<std::shared_ptr<IWifiStaIface>, ndk::ScopedAStatus> getBoundIfaceInternal();
+    ndk::ScopedAStatus registerEventCallbackInternal(
+            const std::shared_ptr<IWifiRttControllerEventCallback>& callback);
+    ndk::ScopedAStatus rangeRequestInternal(int32_t cmd_id,
+                                            const std::vector<RttConfig>& rtt_configs);
+    ndk::ScopedAStatus rangeCancelInternal(int32_t cmd_id, const std::vector<MacAddress>& addrs);
+    std::pair<RttCapabilities, ndk::ScopedAStatus> getCapabilitiesInternal();
+    ndk::ScopedAStatus setLciInternal(int32_t cmd_id, const RttLciInformation& lci);
+    ndk::ScopedAStatus setLcrInternal(int32_t cmd_id, const RttLcrInformation& lcr);
+    std::pair<RttResponder, ndk::ScopedAStatus> getResponderInfoInternal();
+    ndk::ScopedAStatus enableResponderInternal(int32_t cmd_id, const WifiChannelInfo& channel_hint,
+                                               int32_t max_duration_seconds,
+                                               const RttResponder& info);
+    ndk::ScopedAStatus disableResponderInternal(int32_t cmd_id);
+
+    void setWeakPtr(std::weak_ptr<WifiRttController> ptr);
+
+    std::string ifname_;
+    std::shared_ptr<IWifiStaIface> bound_iface_;
+    std::weak_ptr<legacy_hal::WifiLegacyHal> legacy_hal_;
+    std::vector<std::shared_ptr<IWifiRttControllerEventCallback>> event_callbacks_;
+    std::weak_ptr<WifiRttController> weak_ptr_this_;
+    bool is_valid_;
+
+    DISALLOW_COPY_AND_ASSIGN(WifiRttController);
+};
+
+}  // namespace wifi
+}  // namespace hardware
+}  // namespace android
+}  // namespace aidl
+
+#endif  // WIFI_RTT_CONTROLLER_H_