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-rw-r--r--Android.mk1
-rw-r--r--core/java/android/app/SystemServiceRegistry.java10
-rw-r--r--core/java/android/os/CpuUsageInfo.aidl18
-rw-r--r--core/java/android/os/HardwarePropertiesManager.java48
-rw-r--r--core/java/android/os/IHardwarePropertiesManager.aidl28
-rw-r--r--core/jni/Android.mk3
-rw-r--r--core/jni/AndroidRuntime.cpp2
-rw-r--r--services/core/java/com/android/server/HardwarePropertiesManagerService.java99
-rw-r--r--services/core/jni/Android.mk1
-rw-r--r--services/core/jni/com_android_server_HardwarePropertiesManagerService.cpp (renamed from core/jni/android_os_HardwarePropertiesManager.cpp)12
-rw-r--r--services/core/jni/onload.cpp2
-rw-r--r--services/java/com/android/server/SystemServer.java12
12 files changed, 212 insertions, 24 deletions
diff --git a/Android.mk b/Android.mk
index 6ec434cfbf54..b49d0793802c 100644
--- a/Android.mk
+++ b/Android.mk
@@ -215,6 +215,7 @@ LOCAL_SRC_FILES += \
core/java/android/os/IBatteryPropertiesRegistrar.aidl \
core/java/android/os/ICancellationSignal.aidl \
core/java/android/os/IDeviceIdleController.aidl \
+ core/java/android/os/IHardwarePropertiesManager.aidl \
core/java/android/os/IMaintenanceActivityListener.aidl \
core/java/android/os/IMessenger.aidl \
core/java/android/os/INetworkActivityListener.aidl \
diff --git a/core/java/android/app/SystemServiceRegistry.java b/core/java/android/app/SystemServiceRegistry.java
index 5eed781d76c3..52fba3b7b840 100644
--- a/core/java/android/app/SystemServiceRegistry.java
+++ b/core/java/android/app/SystemServiceRegistry.java
@@ -89,6 +89,7 @@ import android.os.BatteryManager;
import android.os.DropBoxManager;
import android.os.HardwarePropertiesManager;
import android.os.IBinder;
+import android.os.IHardwarePropertiesManager;
import android.os.IPowerManager;
import android.os.IUserManager;
import android.os.PowerManager;
@@ -715,7 +716,14 @@ final class SystemServiceRegistry {
new CachedServiceFetcher<HardwarePropertiesManager>() {
@Override
public HardwarePropertiesManager createService(ContextImpl ctx) {
- return new HardwarePropertiesManager();
+ IBinder b = ServiceManager.getService(Context.HARDWARE_PROPERTIES_SERVICE);
+ IHardwarePropertiesManager service =
+ IHardwarePropertiesManager.Stub.asInterface(b);
+ if (service == null) {
+ Log.wtf(TAG, "Failed to get hardwareproperties service.");
+ return null;
+ }
+ return new HardwarePropertiesManager(ctx, service);
}});
registerService(Context.SOUND_TRIGGER_SERVICE, SoundTriggerManager.class,
diff --git a/core/java/android/os/CpuUsageInfo.aidl b/core/java/android/os/CpuUsageInfo.aidl
new file mode 100644
index 000000000000..f81aefe4423f
--- /dev/null
+++ b/core/java/android/os/CpuUsageInfo.aidl
@@ -0,0 +1,18 @@
+/* Copyright 2016, 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.
+*/
+
+package android.os;
+
+parcelable CpuUsageInfo;
diff --git a/core/java/android/os/HardwarePropertiesManager.java b/core/java/android/os/HardwarePropertiesManager.java
index bc317b672d9c..c72a6481ebed 100644
--- a/core/java/android/os/HardwarePropertiesManager.java
+++ b/core/java/android/os/HardwarePropertiesManager.java
@@ -17,10 +17,12 @@ package android.os;
import android.annotation.IntDef;
import android.annotation.NonNull;
+import android.content.Context;
+import android.util.Log;
+
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
-
/**
* The HardwarePropertiesManager class provides a mechanism of accessing hardware state of a
* device: CPU, GPU and battery temperatures, CPU usage per core, fan speed, etc.
@@ -29,11 +31,7 @@ public class HardwarePropertiesManager {
private static final String TAG = HardwarePropertiesManager.class.getSimpleName();
- private static native void nativeInit();
-
- private static native float[] nativeGetFanSpeeds();
- private static native float[] nativeGetDeviceTemperatures(int type);
- private static native CpuUsageInfo[] nativeGetCpuUsages();
+ private final IHardwarePropertiesManager mService;
@Retention(RetentionPolicy.SOURCE)
@IntDef({
@@ -54,9 +52,13 @@ public class HardwarePropertiesManager {
/** Temperature of battery in Celsius. */
public static final int DEVICE_TEMPERATURE_BATTERY = 2;
+ /** Calling app context. */
+ private final Context mContext;
+
/** @hide */
- public HardwarePropertiesManager() {
- nativeInit();
+ public HardwarePropertiesManager(Context context, IHardwarePropertiesManager service) {
+ mContext = context;
+ mService = service;
}
/**
@@ -68,13 +70,19 @@ public class HardwarePropertiesManager {
* Empty if platform doesn't provide the queried temperature.
*
* @throws IllegalArgumentException if an incorrect temperature type is queried.
+ * @throws SecurityException if a non profile or device owner tries to call this method.
*/
public @NonNull float[] getDeviceTemperatures(@DeviceTemperatureType int type) {
switch (type) {
case DEVICE_TEMPERATURE_CPU:
case DEVICE_TEMPERATURE_GPU:
case DEVICE_TEMPERATURE_BATTERY:
- return nativeGetDeviceTemperatures(type);
+ try {
+ return mService.getDeviceTemperatures(mContext.getOpPackageName(), type);
+ } catch (RemoteException e) {
+ Log.w(TAG, "Could not get device temperatures", e);
+ return new float[0];
+ }
default:
throw new IllegalArgumentException();
}
@@ -85,18 +93,32 @@ public class HardwarePropertiesManager {
*
* @return an array of {@link android.os.CpuUsageInfo} for each core.
* Empty if CPU usage is not supported on this system.
+ *
+ * @throws SecurityException if a non profile or device owner tries to call this method.
*/
public @NonNull CpuUsageInfo[] getCpuUsages() {
- return nativeGetCpuUsages();
+ try {
+ return mService.getCpuUsages(mContext.getOpPackageName());
+ } catch (RemoteException e) {
+ Log.w(TAG, "Could not get CPU usages", e);
+ return new CpuUsageInfo[0];
+ }
}
/**
* Return an array of fan speeds in RPM.
*
- * @return an arrat of float fan speeds. Empty if there is no fans or fan speed
- * not supported on this system.
+ * @return an array of float fan speeds in RPM. Empty if there are no fans or fan speed is not
+ * supported on this system.
+ *
+ * @throws SecurityException if a non profile or device owner tries to call this method.
*/
public @NonNull float[] getFanSpeeds() {
- return nativeGetFanSpeeds();
+ try {
+ return mService.getFanSpeeds(mContext.getOpPackageName());
+ } catch (RemoteException e) {
+ Log.w(TAG, "Could not get fan speeds", e);
+ return new float[0];
+ }
}
}
diff --git a/core/java/android/os/IHardwarePropertiesManager.aidl b/core/java/android/os/IHardwarePropertiesManager.aidl
new file mode 100644
index 000000000000..bcf0dc85a5e1
--- /dev/null
+++ b/core/java/android/os/IHardwarePropertiesManager.aidl
@@ -0,0 +1,28 @@
+/*
+**
+** Copyright 2016, 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.
+*/
+
+package android.os;
+
+import android.os.CpuUsageInfo;
+
+/** @hide */
+
+interface IHardwarePropertiesManager {
+ float[] getDeviceTemperatures(String callingPackage, int type);
+ CpuUsageInfo[] getCpuUsages(String callingPackage);
+ float[] getFanSpeeds(String callingPackage);
+}
diff --git a/core/jni/Android.mk b/core/jni/Android.mk
index 1b6b53ae49f4..8b686b70041d 100644
--- a/core/jni/Android.mk
+++ b/core/jni/Android.mk
@@ -177,8 +177,7 @@ LOCAL_SRC_FILES:= \
com_android_internal_net_NetworkStatsFactory.cpp \
com_android_internal_os_Zygote.cpp \
com_android_internal_util_VirtualRefBasePtr.cpp \
- com_android_internal_view_animation_NativeInterpolatorFactoryHelper.cpp \
- android_os_HardwarePropertiesManager.cpp
+ com_android_internal_view_animation_NativeInterpolatorFactoryHelper.cpp
LOCAL_C_INCLUDES += \
$(JNI_H_INCLUDE) \
diff --git a/core/jni/AndroidRuntime.cpp b/core/jni/AndroidRuntime.cpp
index 223fc1af46d5..017fb533723c 100644
--- a/core/jni/AndroidRuntime.cpp
+++ b/core/jni/AndroidRuntime.cpp
@@ -198,7 +198,6 @@ extern int register_com_android_internal_content_NativeLibraryHelper(JNIEnv *env
extern int register_com_android_internal_net_NetworkStatsFactory(JNIEnv *env);
extern int register_com_android_internal_os_Zygote(JNIEnv *env);
extern int register_com_android_internal_util_VirtualRefBasePtr(JNIEnv *env);
-extern int register_android_os_HardwarePropertiesManager(JNIEnv *env);
static AndroidRuntime* gCurRuntime = NULL;
@@ -1390,7 +1389,6 @@ static const RegJNIRec gRegJNI[] = {
REG_JNI(register_android_animation_PropertyValuesHolder),
REG_JNI(register_com_android_internal_content_NativeLibraryHelper),
REG_JNI(register_com_android_internal_net_NetworkStatsFactory),
- REG_JNI(register_android_os_HardwarePropertiesManager),
};
diff --git a/services/core/java/com/android/server/HardwarePropertiesManagerService.java b/services/core/java/com/android/server/HardwarePropertiesManagerService.java
new file mode 100644
index 000000000000..cc21e99371e4
--- /dev/null
+++ b/services/core/java/com/android/server/HardwarePropertiesManagerService.java
@@ -0,0 +1,99 @@
+/*
+ * Copyright (C) 2016 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.
+ */
+
+package com.android.server;
+
+import android.app.admin.DevicePolicyManager;
+import android.content.Context;
+import android.content.pm.PackageManager;
+import android.os.Binder;
+import android.os.CpuUsageInfo;
+import android.os.IHardwarePropertiesManager;
+
+import java.util.Arrays;
+
+/**
+ * Service for {@link HardwarePropertiesManager}
+ */
+public class HardwarePropertiesManagerService extends IHardwarePropertiesManager.Stub {
+
+ private static native void nativeInit();
+
+ private static native float[] nativeGetFanSpeeds();
+ private static native float[] nativeGetDeviceTemperatures(int type);
+ private static native CpuUsageInfo[] nativeGetCpuUsages();
+
+ private final Context mContext;
+ private final Object mLock = new Object();
+
+ public HardwarePropertiesManagerService(Context context) {
+ mContext = context;
+ synchronized (mLock) {
+ nativeInit();
+ }
+ }
+
+ @Override
+ public float[] getDeviceTemperatures(String callingPackage, int type) throws SecurityException {
+ enforceHardwarePropertiesRetrievalAllowed(callingPackage);
+ synchronized (mLock) {
+ return nativeGetDeviceTemperatures(type);
+ }
+ }
+
+ @Override
+ public CpuUsageInfo[] getCpuUsages(String callingPackage) throws SecurityException {
+ enforceHardwarePropertiesRetrievalAllowed(callingPackage);
+ synchronized (mLock) {
+ return nativeGetCpuUsages();
+ }
+ }
+
+ @Override
+ public float[] getFanSpeeds(String callingPackage) throws SecurityException {
+ enforceHardwarePropertiesRetrievalAllowed(callingPackage);
+ synchronized (mLock) {
+ return nativeGetFanSpeeds();
+ }
+ }
+
+ /**
+ * Throws SecurityException if the calling package is not allowed to retrieve information
+ * provided by the service.
+ *
+ * @param callingPackage The calling package name.
+ *
+ * @throws SecurityException if a non profile or device owner tries to retrieve information
+ * provided by the service.
+ */
+ private void enforceHardwarePropertiesRetrievalAllowed(String callingPackage)
+ throws SecurityException {
+ final PackageManager pm = mContext.getPackageManager();
+ try {
+ final int uid = pm.getPackageUid(callingPackage, 0);
+ if (Binder.getCallingUid() != uid) {
+ throw new SecurityException("The caller has faked the package name.");
+ }
+ } catch (PackageManager.NameNotFoundException e) {
+ throw new SecurityException("The caller has faked the package name.");
+ }
+
+ final DevicePolicyManager dpm = mContext.getSystemService(DevicePolicyManager.class);
+ if (!dpm.isDeviceOwnerApp(callingPackage) && !dpm.isProfileOwnerApp(callingPackage)) {
+ throw new SecurityException("The caller is not a device or profile owner.");
+ }
+ }
+}
diff --git a/services/core/jni/Android.mk b/services/core/jni/Android.mk
index bb571c3d0631..5e5c6d9321e3 100644
--- a/services/core/jni/Android.mk
+++ b/services/core/jni/Android.mk
@@ -17,6 +17,7 @@ LOCAL_SRC_FILES += \
$(LOCAL_REL_DIR)/com_android_server_AssetAtlasService.cpp \
$(LOCAL_REL_DIR)/com_android_server_connectivity_Vpn.cpp \
$(LOCAL_REL_DIR)/com_android_server_ConsumerIrService.cpp \
+ $(LOCAL_REL_DIR)/com_android_server_HardwarePropertiesManagerService.cpp \
$(LOCAL_REL_DIR)/com_android_server_hdmi_HdmiCecController.cpp \
$(LOCAL_REL_DIR)/com_android_server_input_InputApplicationHandle.cpp \
$(LOCAL_REL_DIR)/com_android_server_input_InputManagerService.cpp \
diff --git a/core/jni/android_os_HardwarePropertiesManager.cpp b/services/core/jni/com_android_server_HardwarePropertiesManagerService.cpp
index dc1ba48097b8..214d9882c499 100644
--- a/core/jni/android_os_HardwarePropertiesManager.cpp
+++ b/services/core/jni/com_android_server_HardwarePropertiesManagerService.cpp
@@ -14,7 +14,7 @@
* limitations under the License.
*/
-#define LOG_TAG "HardwarePropertiesManager-JNI"
+#define LOG_TAG "HardwarePropertiesManagerService-JNI"
#include "JNIHelp.h"
#include "jni.h"
@@ -137,7 +137,7 @@ static jobjectArray nativeGetCpuUsages(JNIEnv *env, jclass /* clazz */) {
// ----------------------------------------------------------------------------
-static const JNINativeMethod gHardwarePropertiesManagerMethods[] = {
+static const JNINativeMethod gHardwarePropertiesManagerServiceMethods[] = {
/* name, signature, funcPtr */
{ "nativeInit", "()V",
(void*) nativeInit },
@@ -149,11 +149,11 @@ static const JNINativeMethod gHardwarePropertiesManagerMethods[] = {
(void*) nativeGetCpuUsages }
};
-int register_android_os_HardwarePropertiesManager(JNIEnv* env) {
+int register_android_server_HardwarePropertiesManagerService(JNIEnv* env) {
gHardwarePropertiesModule = nullptr;
- int res = jniRegisterNativeMethods(env, "android/os/HardwarePropertiesManager",
- gHardwarePropertiesManagerMethods,
- NELEM(gHardwarePropertiesManagerMethods));
+ int res = jniRegisterNativeMethods(env, "com/android/server/HardwarePropertiesManagerService",
+ gHardwarePropertiesManagerServiceMethods,
+ NELEM(gHardwarePropertiesManagerServiceMethods));
jclass clazz = env->FindClass("android/os/CpuUsageInfo");
gCpuUsageInfoClassInfo.clazz = MakeGlobalRefOrDie(env, clazz);
gCpuUsageInfoClassInfo.initMethod = GetMethodIDOrDie(env, gCpuUsageInfoClassInfo.clazz,
diff --git a/services/core/jni/onload.cpp b/services/core/jni/onload.cpp
index ef5c56c1bcfa..be99673a4cb5 100644
--- a/services/core/jni/onload.cpp
+++ b/services/core/jni/onload.cpp
@@ -44,6 +44,7 @@ int register_android_server_hdmi_HdmiCecController(JNIEnv* env);
int register_android_server_tv_TvInputHal(JNIEnv* env);
int register_android_server_PersistentDataBlockService(JNIEnv* env);
int register_android_server_Watchdog(JNIEnv* env);
+int register_android_server_HardwarePropertiesManagerService(JNIEnv* env);
};
using namespace android;
@@ -83,6 +84,7 @@ extern "C" jint JNI_OnLoad(JavaVM* vm, void* /* reserved */)
register_android_server_tv_TvInputHal(env);
register_android_server_PersistentDataBlockService(env);
register_android_server_Watchdog(env);
+ register_android_server_HardwarePropertiesManagerService(env);
return JNI_VERSION_1_4;
diff --git a/services/java/com/android/server/SystemServer.java b/services/java/com/android/server/SystemServer.java
index ac972a9c6863..c8545732864b 100644
--- a/services/java/com/android/server/SystemServer.java
+++ b/services/java/com/android/server/SystemServer.java
@@ -488,6 +488,7 @@ public final class SystemServer {
MmsServiceBroker mmsService = null;
EntropyMixer entropyMixer = null;
VrManagerService vrManagerService = null;
+ HardwarePropertiesManagerService hardwarePropertiesService = null;
boolean disableStorage = SystemProperties.getBoolean("config.disable_storage", false);
boolean disableBluetooth = SystemProperties.getBoolean("config.disable_bluetooth", false);
@@ -962,6 +963,17 @@ public final class SystemServer {
Slog.e(TAG, "Failure starting SerialService", e);
}
Trace.traceEnd(Trace.TRACE_TAG_SYSTEM_SERVER);
+
+ Trace.traceBegin(Trace.TRACE_TAG_SYSTEM_SERVER,
+ "StartHardwarePropertiesManagerService");
+ try {
+ hardwarePropertiesService = new HardwarePropertiesManagerService(context);
+ ServiceManager.addService(Context.HARDWARE_PROPERTIES_SERVICE,
+ hardwarePropertiesService);
+ } catch (Throwable e) {
+ Slog.e(TAG, "Failure starting HardwarePropertiesManagerService", e);
+ }
+ Trace.traceEnd(Trace.TRACE_TAG_SYSTEM_SERVER);
}
mSystemServiceManager.startService(TwilightService.class);
generated by cgit v1.2.3-59-g8ed1b (git 2.39.0) at 2025-12-29 10:26:03 +0000