Add GNSS AIDL interfaces (hardware/interfaces)

Bug: 159467682
Test: atest VtsHalGnssTargetTest
Change-Id: I75c5599f2e0698f833e2d36ac53d460f4f0c3bb4
diff --git a/gnss/aidl/default/Android.bp b/gnss/aidl/default/Android.bp
new file mode 100644
index 0000000..8c4ee40
--- /dev/null
+++ b/gnss/aidl/default/Android.bp
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2020 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.
+ */
+
+cc_binary {
+    name: "android.hardware.gnss-service.example",
+    relative_install_path: "hw",
+    init_rc: ["gnss-default.rc"],
+    vintf_fragments: ["gnss-default.xml"],
+    vendor: true,
+    cflags: [
+        "-Wall",
+        "-Wextra",
+    ],
+    shared_libs: [
+        "libbase",
+        "libbinder_ndk",
+        "liblog",
+        "android.hardware.gnss-ndk_platform",
+    ],
+    srcs: [
+        "Gnss.cpp",
+        "GnssPsds.cpp",
+        "service.cpp",
+    ],
+}
diff --git a/gnss/aidl/default/Gnss.cpp b/gnss/aidl/default/Gnss.cpp
new file mode 100644
index 0000000..2a35924
--- /dev/null
+++ b/gnss/aidl/default/Gnss.cpp
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2020 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 "GnssAidl"
+
+#include "Gnss.h"
+#include <log/log.h>
+#include "GnssPsds.h"
+
+namespace aidl::android::hardware::gnss {
+
+ndk::ScopedAStatus Gnss::getExtensionPsds(std::shared_ptr<IGnssPsds>* iGnssPsds) {
+    ALOGD("Gnss::getExtensionPsds");
+    *iGnssPsds = SharedRefBase::make<GnssPsds>();
+    return ndk::ScopedAStatus::ok();
+}
+
+}  // namespace aidl::android::hardware::gnss
diff --git a/gnss/aidl/default/Gnss.h b/gnss/aidl/default/Gnss.h
new file mode 100644
index 0000000..9864e9d
--- /dev/null
+++ b/gnss/aidl/default/Gnss.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2020 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/BnGnss.h>
+#include <aidl/android/hardware/gnss/BnGnssPsds.h>
+
+namespace aidl::android::hardware::gnss {
+
+class Gnss : public BnGnss {
+    ndk::ScopedAStatus getExtensionPsds(std::shared_ptr<IGnssPsds>* iGnssPsds) override;
+};
+
+}  // namespace aidl::android::hardware::gnss
diff --git a/gnss/aidl/default/GnssPsds.cpp b/gnss/aidl/default/GnssPsds.cpp
new file mode 100644
index 0000000..c354217
--- /dev/null
+++ b/gnss/aidl/default/GnssPsds.cpp
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2020 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 "GnssPsdsAidl"
+
+#include "GnssPsds.h"
+
+#include <log/log.h>
+
+namespace aidl::android::hardware::gnss {
+
+std::shared_ptr<IGnssPsdsCallback> GnssPsds::sCallback = nullptr;
+
+ndk::ScopedAStatus GnssPsds::setCallback(const std::shared_ptr<IGnssPsdsCallback>& callback,
+                                         bool* success) {
+    ALOGD("setCallback");
+    std::unique_lock<std::mutex> lock(mMutex);
+    sCallback = callback;
+    *success = true;
+    return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus GnssPsds::injectPsdsData(PsdsType psdsType, const std::vector<uint8_t>& psdsData,
+                                            bool* success) {
+    ALOGD("injectPsdsData. psdsType: %d, psdsData: %d bytes", static_cast<int>(psdsType),
+          static_cast<int>(psdsData.size()));
+    *success = (psdsData.size() > 0);
+    return ndk::ScopedAStatus::ok();
+}
+}  // namespace aidl::android::hardware::gnss
diff --git a/gnss/aidl/default/GnssPsds.h b/gnss/aidl/default/GnssPsds.h
new file mode 100644
index 0000000..fc65bc1
--- /dev/null
+++ b/gnss/aidl/default/GnssPsds.h
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2020 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/BnGnssPsds.h>
+
+namespace aidl::android::hardware::gnss {
+
+struct GnssPsds : public BnGnssPsds {
+  public:
+    ndk::ScopedAStatus setCallback(const std::shared_ptr<IGnssPsdsCallback>& callback,
+                                   bool* success) override;
+    ndk::ScopedAStatus injectPsdsData(PsdsType psdsType, const std::vector<uint8_t>& psdsData,
+                                      bool* success) override;
+
+  private:
+    // Guarded by mMutex
+    static std::shared_ptr<IGnssPsdsCallback> sCallback;
+
+    // Synchronization lock for sCallback
+    mutable std::mutex mMutex;
+};
+
+}  // namespace aidl::android::hardware::gnss
diff --git a/gnss/aidl/default/gnss-default.rc b/gnss/aidl/default/gnss-default.rc
new file mode 100644
index 0000000..fe179c3
--- /dev/null
+++ b/gnss/aidl/default/gnss-default.rc
@@ -0,0 +1,4 @@
+service vendor.gnss-default /vendor/bin/hw/android.hardware.gnss-service.example
+    class hal
+    user nobody
+    group nobody
diff --git a/gnss/aidl/default/gnss-default.xml b/gnss/aidl/default/gnss-default.xml
new file mode 100644
index 0000000..2b06cd2
--- /dev/null
+++ b/gnss/aidl/default/gnss-default.xml
@@ -0,0 +1,9 @@
+<manifest version="1.0" type="device">
+    <hal format="aidl">
+        <name>android.hardware.gnss</name>
+        <interface>
+            <name>IGnss</name>
+            <instance>default</instance>
+        </interface>
+    </hal>
+</manifest>
diff --git a/gnss/aidl/default/service.cpp b/gnss/aidl/default/service.cpp
new file mode 100644
index 0000000..c79a271
--- /dev/null
+++ b/gnss/aidl/default/service.cpp
@@ -0,0 +1,35 @@
+/*
+ * Copyright 2020, 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.
+ */
+
+#include "Gnss.h"
+
+#include <android-base/logging.h>
+#include <android/binder_manager.h>
+#include <android/binder_process.h>
+
+using aidl::android::hardware::gnss::Gnss;
+
+int main() {
+    ABinderProcess_setThreadPoolMaxThreadCount(0);
+    std::shared_ptr<Gnss> vib = ndk::SharedRefBase::make<Gnss>();
+
+    const std::string instance = std::string() + Gnss::descriptor + "/default";
+    binder_status_t status = AServiceManager_addService(vib->asBinder().get(), instance.c_str());
+    CHECK(status == STATUS_OK);
+
+    ABinderProcess_joinThreadPool();
+    return EXIT_FAILURE;  // should not reach
+}