Add GnssAssistanceInterface AIDL HAL

Test: atest VtsHalGnssTargetTest
Bug: 358381377

Change-Id: I18419f56b253013f59b848a66f3cd9b7605ca187
diff --git a/gnss/aidl/default/Android.bp b/gnss/aidl/default/Android.bp
index 822e8fc..efe2953 100644
--- a/gnss/aidl/default/Android.bp
+++ b/gnss/aidl/default/Android.bp
@@ -45,13 +45,14 @@
         "android.hardware.gnss.measurement_corrections@1.1",
         "android.hardware.gnss.measurement_corrections@1.0",
         "android.hardware.gnss.visibility_control@1.0",
-        "android.hardware.gnss-V4-ndk",
+        "android.hardware.gnss-V5-ndk",
     ],
     srcs: [
         "AGnssRil.cpp",
         "AGnss.cpp",
         "Gnss.cpp",
         "GnssAntennaInfo.cpp",
+        "GnssAssistanceInterface.cpp",
         "GnssBatching.cpp",
         "GnssDebug.cpp",
         "GnssGeofence.cpp",
diff --git a/gnss/aidl/default/Gnss.cpp b/gnss/aidl/default/Gnss.cpp
index 94d4d00..4978281 100644
--- a/gnss/aidl/default/Gnss.cpp
+++ b/gnss/aidl/default/Gnss.cpp
@@ -25,6 +25,7 @@
 #include "DeviceFileReader.h"
 #include "FixLocationParser.h"
 #include "GnssAntennaInfo.h"
+#include "GnssAssistanceInterface.h"
 #include "GnssBatching.h"
 #include "GnssConfiguration.h"
 #include "GnssDebug.h"
@@ -390,6 +391,14 @@
     return ndk::ScopedAStatus::ok();
 }
 
+ndk::ScopedAStatus Gnss::getExtensionGnssAssistanceInterface(
+        std::shared_ptr<gnss_assistance::IGnssAssistanceInterface>* iGnssAssistanceInterface) {
+    ALOGD("Gnss::getExtensionGnssAssistanceInterface");
+
+    *iGnssAssistanceInterface = SharedRefBase::make<gnss_assistance::GnssAssistanceInterface>();
+    return ndk::ScopedAStatus::ok();
+}
+
 void Gnss::setGnssMeasurementEnabled(const bool enabled) {
     mGnssMeasurementEnabled = enabled;
 }
diff --git a/gnss/aidl/default/Gnss.h b/gnss/aidl/default/Gnss.h
index 73085ef..56fe399 100644
--- a/gnss/aidl/default/Gnss.h
+++ b/gnss/aidl/default/Gnss.h
@@ -26,6 +26,7 @@
 #include <aidl/android/hardware/gnss/BnGnssMeasurementInterface.h>
 #include <aidl/android/hardware/gnss/BnGnssPowerIndication.h>
 #include <aidl/android/hardware/gnss/BnGnssPsds.h>
+#include <aidl/android/hardware/gnss/gnss_assistance/BnGnssAssistanceInterface.h>
 #include <aidl/android/hardware/gnss/measurement_corrections/BnMeasurementCorrectionsInterface.h>
 #include <aidl/android/hardware/gnss/visibility_control/BnGnssVisibilityControl.h>
 #include <atomic>
@@ -83,6 +84,9 @@
             std::shared_ptr<android::hardware::gnss::measurement_corrections::
                                     IMeasurementCorrectionsInterface>* iMeasurementCorrections)
             override;
+    ndk::ScopedAStatus getExtensionGnssAssistanceInterface(
+            std::shared_ptr<android::hardware::gnss::gnss_assistance::IGnssAssistanceInterface>*
+                    iGnssAssistanceInterface) override;
 
     void reportSvStatus() const;
     void setGnssMeasurementEnabled(const bool enabled);
diff --git a/gnss/aidl/default/GnssAssistanceInterface.cpp b/gnss/aidl/default/GnssAssistanceInterface.cpp
new file mode 100644
index 0000000..2ef334c
--- /dev/null
+++ b/gnss/aidl/default/GnssAssistanceInterface.cpp
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2024 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 "GnssAssistanceInterfaceAidl"
+
+#include "GnssAssistanceInterface.h"
+#include <aidl/android/hardware/gnss/BnGnss.h>
+#include <log/log.h>
+
+namespace aidl::android::hardware::gnss::gnss_assistance {
+
+std::shared_ptr<IGnssAssistanceCallback> GnssAssistanceInterface::sCallback = nullptr;
+
+ndk::ScopedAStatus GnssAssistanceInterface::setCallback(
+        const std::shared_ptr<IGnssAssistanceCallback>& callback) {
+    ALOGD("setCallback");
+    std::unique_lock<std::mutex> lock(mMutex);
+    sCallback = callback;
+    return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus GnssAssistanceInterface::injectGnssAssistance(
+        const GnssAssistance& gnssAssistance) {
+    ALOGD("injectGnssAssistance. %s", gnssAssistance.toString().c_str());
+    if (gnssAssistance.gpsAssistance.satelliteEphemeris.size() == 0 &&
+        gnssAssistance.gpsAssistance.satelliteCorrections.size() == 0) {
+        ALOGE("Empty GnssAssistance");
+        return ndk::ScopedAStatus::fromServiceSpecificError(IGnss::ERROR_INVALID_ARGUMENT);
+    }
+    return ndk::ScopedAStatus::ok();
+}
+}  // namespace aidl::android::hardware::gnss::gnss_assistance
diff --git a/gnss/aidl/default/GnssAssistanceInterface.h b/gnss/aidl/default/GnssAssistanceInterface.h
new file mode 100644
index 0000000..9d92975
--- /dev/null
+++ b/gnss/aidl/default/GnssAssistanceInterface.h
@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2024 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 <aidl/android/hardware/gnss/gnss_assistance/BnGnssAssistanceInterface.h>
+
+namespace aidl::android::hardware::gnss::gnss_assistance {
+
+struct GnssAssistanceInterface : public BnGnssAssistanceInterface {
+  public:
+    ndk::ScopedAStatus setCallback(
+            const std::shared_ptr<IGnssAssistanceCallback>& callback) override;
+    ndk::ScopedAStatus injectGnssAssistance(const GnssAssistance& gnssAssistance) override;
+
+  private:
+    // Guarded by mMutex
+    static std::shared_ptr<IGnssAssistanceCallback> sCallback;
+
+    // Synchronization lock for sCallback
+    mutable std::mutex mMutex;
+};
+
+}  // namespace aidl::android::hardware::gnss::gnss_assistance
diff --git a/gnss/aidl/default/gnss-default.xml b/gnss/aidl/default/gnss-default.xml
index c01069e..700e240 100644
--- a/gnss/aidl/default/gnss-default.xml
+++ b/gnss/aidl/default/gnss-default.xml
@@ -1,7 +1,7 @@
 <manifest version="1.0" type="device">
     <hal format="aidl">
         <name>android.hardware.gnss</name>
-        <version>4</version>
+        <version>5</version>
         <interface>
             <name>IGnss</name>
             <instance>default</instance>