Reland: Memtrack HAL: Add stable AIDL implementation
Bug: 175021432
Test: adb shell dumpsys -l | grep android.hardware.memtrack.IMemtrack
Test: VtsHalMemtrackTargetTest
Change-Id: I686c0ecc31648dc6e58a6ab5e6ae914454111200
diff --git a/memtrack/aidl/default/Android.bp b/memtrack/aidl/default/Android.bp
new file mode 100644
index 0000000..52f88c8
--- /dev/null
+++ b/memtrack/aidl/default/Android.bp
@@ -0,0 +1,30 @@
+// 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.memtrack-service.example",
+ relative_install_path: "hw",
+ init_rc: ["memtrack-default.rc"],
+ vintf_fragments: ["memtrack-default.xml"],
+ vendor: true,
+ shared_libs: [
+ "libbase",
+ "libbinder_ndk",
+ "android.hardware.memtrack-ndk_platform",
+ ],
+ srcs: [
+ "main.cpp",
+ "Memtrack.cpp",
+ ],
+}
diff --git a/memtrack/aidl/default/Memtrack.cpp b/memtrack/aidl/default/Memtrack.cpp
new file mode 100644
index 0000000..7361719
--- /dev/null
+++ b/memtrack/aidl/default/Memtrack.cpp
@@ -0,0 +1,44 @@
+/*
+ * 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.
+ */
+
+#include "Memtrack.h"
+
+namespace aidl {
+namespace android {
+namespace hardware {
+namespace memtrack {
+
+ndk::ScopedAStatus Memtrack::getMemory(int pid, MemtrackType type,
+ std::vector<MemtrackRecord>* _aidl_return) {
+ if (pid < 0) {
+ return ndk::ScopedAStatus(AStatus_fromExceptionCode(EX_ILLEGAL_ARGUMENT));
+ }
+ if (type < MemtrackType::OTHER || type >= MemtrackType::NUM_TYPES) {
+ return ndk::ScopedAStatus(AStatus_fromExceptionCode(EX_UNSUPPORTED_OPERATION));
+ }
+ _aidl_return->clear();
+ return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus Memtrack::getGpuDeviceInfo(std::vector<DeviceInfo>* _aidl_return) {
+ _aidl_return->clear();
+ return ndk::ScopedAStatus::ok();
+}
+
+} // namespace memtrack
+} // namespace hardware
+} // namespace android
+} // namespace aidl
diff --git a/memtrack/aidl/default/Memtrack.h b/memtrack/aidl/default/Memtrack.h
new file mode 100644
index 0000000..f2ef60e
--- /dev/null
+++ b/memtrack/aidl/default/Memtrack.h
@@ -0,0 +1,39 @@
+/*
+ * 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/memtrack/BnMemtrack.h>
+#include <aidl/android/hardware/memtrack/DeviceInfo.h>
+#include <aidl/android/hardware/memtrack/MemtrackRecord.h>
+#include <aidl/android/hardware/memtrack/MemtrackType.h>
+
+namespace aidl {
+namespace android {
+namespace hardware {
+namespace memtrack {
+
+class Memtrack : public BnMemtrack {
+ ndk::ScopedAStatus getMemory(int pid, MemtrackType type,
+ std::vector<MemtrackRecord>* _aidl_return) override;
+
+ ndk::ScopedAStatus getGpuDeviceInfo(std::vector<DeviceInfo>* _aidl_return) override;
+};
+
+} // namespace memtrack
+} // namespace hardware
+} // namespace android
+} // namespace aidl
diff --git a/memtrack/aidl/default/main.cpp b/memtrack/aidl/default/main.cpp
new file mode 100644
index 0000000..d063d2a
--- /dev/null
+++ b/memtrack/aidl/default/main.cpp
@@ -0,0 +1,36 @@
+/*
+ * 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.
+ */
+
+#include "Memtrack.h"
+
+#include <android-base/logging.h>
+#include <android/binder_manager.h>
+#include <android/binder_process.h>
+
+using aidl::android::hardware::memtrack::Memtrack;
+
+int main() {
+ ABinderProcess_setThreadPoolMaxThreadCount(0);
+ std::shared_ptr<Memtrack> memtrack = ndk::SharedRefBase::make<Memtrack>();
+
+ const std::string instance = std::string() + Memtrack::descriptor + "/default";
+ binder_status_t status =
+ AServiceManager_addService(memtrack->asBinder().get(), instance.c_str());
+ CHECK(status == STATUS_OK);
+
+ ABinderProcess_joinThreadPool();
+ return EXIT_FAILURE; // Unreachable
+}
diff --git a/memtrack/aidl/default/memtrack-default.rc b/memtrack/aidl/default/memtrack-default.rc
new file mode 100644
index 0000000..1725cd0
--- /dev/null
+++ b/memtrack/aidl/default/memtrack-default.rc
@@ -0,0 +1,4 @@
+service vendor.memtrack-default /vendor/bin/hw/android.hardware.memtrack-service.example
+ class hal
+ user nobody
+ group system
diff --git a/memtrack/aidl/default/memtrack-default.xml b/memtrack/aidl/default/memtrack-default.xml
new file mode 100644
index 0000000..3e3e0f6
--- /dev/null
+++ b/memtrack/aidl/default/memtrack-default.xml
@@ -0,0 +1,7 @@
+<manifest version="1.0" type="device">
+ <hal format="aidl">
+ <name>android.hardware.memtrack</name>
+ <fqname>IMemtrack/default</fqname>
+ </hal>
+</manifest>
+