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-rw-r--r--api/current.xml148
-rw-r--r--core/java/android/content/res/ObbInfo.java9
-rw-r--r--core/java/android/content/res/ObbScanner.java34
-rw-r--r--core/java/android/os/storage/OnObbStateChangeListener.java31
-rw-r--r--core/java/android/os/storage/StorageManager.java167
-rw-r--r--core/jni/android_content_res_ObbScanner.cpp23
-rw-r--r--include/storage/IMountService.h3
-rw-r--r--libs/storage/IMountService.cpp6
-rw-r--r--native/android/Android.mk1
-rw-r--r--native/android/obb.cpp54
-rw-r--r--native/android/storage_manager.cpp31
-rw-r--r--native/include/android/obb.h63
-rw-r--r--native/include/android/storage_manager.h15
-rw-r--r--packages/DefaultContainerService/src/com/android/defcontainer/DefaultContainerService.java7
-rw-r--r--services/java/com/android/server/MountService.java61
15 files changed, 576 insertions, 77 deletions
diff --git a/api/current.xml b/api/current.xml
index 179c515..a37a533 100644
--- a/api/current.xml
+++ b/api/current.xml
@@ -52619,6 +52619,118 @@
>
</field>
</class>
+<class name="ObbInfo"
+ extends="java.lang.Object"
+ abstract="false"
+ static="false"
+ final="false"
+ deprecated="not deprecated"
+ visibility="public"
+>
+<implements name="android.os.Parcelable">
+</implements>
+<method name="describeContents"
+ return="int"
+ abstract="false"
+ native="false"
+ synchronized="false"
+ static="false"
+ final="false"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</method>
+<method name="writeToParcel"
+ return="void"
+ abstract="false"
+ native="false"
+ synchronized="false"
+ static="false"
+ final="false"
+ deprecated="not deprecated"
+ visibility="public"
+>
+<parameter name="dest" type="android.os.Parcel">
+</parameter>
+<parameter name="parcelableFlags" type="int">
+</parameter>
+</method>
+<field name="CREATOR"
+ type="android.os.Parcelable.Creator"
+ transient="false"
+ volatile="false"
+ static="true"
+ final="true"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</field>
+<field name="OBB_OVERLAY"
+ type="int"
+ transient="false"
+ volatile="false"
+ value="1"
+ static="true"
+ final="true"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</field>
+<field name="flags"
+ type="int"
+ transient="false"
+ volatile="false"
+ static="false"
+ final="false"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</field>
+<field name="packageName"
+ type="java.lang.String"
+ transient="false"
+ volatile="false"
+ static="false"
+ final="false"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</field>
+<field name="version"
+ type="int"
+ transient="false"
+ volatile="false"
+ static="false"
+ final="false"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</field>
+</class>
+<class name="ObbScanner"
+ extends="java.lang.Object"
+ abstract="false"
+ static="false"
+ final="false"
+ deprecated="not deprecated"
+ visibility="public"
+>
+<method name="getObbInfo"
+ return="android.content.res.ObbInfo"
+ abstract="false"
+ native="false"
+ synchronized="false"
+ static="true"
+ final="false"
+ deprecated="not deprecated"
+ visibility="public"
+>
+<parameter name="filePath" type="java.lang.String">
+</parameter>
+<exception name="IOException" type="java.io.IOException">
+</exception>
+</method>
+</class>
<class name="Resources"
extends="java.lang.Object"
abstract="false"
@@ -129032,6 +129144,38 @@
</package>
<package name="android.os.storage"
>
+<class name="OnObbStateChangeListener"
+ extends="java.lang.Object"
+ abstract="true"
+ static="false"
+ final="false"
+ deprecated="not deprecated"
+ visibility="public"
+>
+<constructor name="OnObbStateChangeListener"
+ type="android.os.storage.OnObbStateChangeListener"
+ static="false"
+ final="false"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</constructor>
+<method name="onObbStateChange"
+ return="void"
+ abstract="false"
+ native="false"
+ synchronized="false"
+ static="false"
+ final="false"
+ deprecated="not deprecated"
+ visibility="public"
+>
+<parameter name="path" type="java.lang.String">
+</parameter>
+<parameter name="state" type="java.lang.String">
+</parameter>
+</method>
+</class>
<class name="StorageManager"
extends="java.lang.Object"
abstract="false"
@@ -129082,6 +129226,8 @@
</parameter>
<parameter name="key" type="java.lang.String">
</parameter>
+<parameter name="listener" type="android.os.storage.OnObbStateChangeListener">
+</parameter>
</method>
<method name="unmountObb"
return="boolean"
@@ -129097,6 +129243,8 @@
</parameter>
<parameter name="force" type="boolean">
</parameter>
+<parameter name="listener" type="android.os.storage.OnObbStateChangeListener">
+</parameter>
<exception name="IllegalArgumentException" type="java.lang.IllegalArgumentException">
</exception>
</method>
diff --git a/core/java/android/content/res/ObbInfo.java b/core/java/android/content/res/ObbInfo.java
index 838c5ff..7b962e5 100644
--- a/core/java/android/content/res/ObbInfo.java
+++ b/core/java/android/content/res/ObbInfo.java
@@ -20,9 +20,9 @@ import android.os.Parcel;
import android.os.Parcelable;
/**
- * Basic information about a Opaque Binary Blob (OBB) that reflects
- * the info from the footer on the OBB file.
- * @hide
+ * Basic information about a Opaque Binary Blob (OBB) that reflects the info
+ * from the footer on the OBB file. This information may be manipulated by a
+ * developer with the <code>obbtool</code> program in the Android SDK.
*/
public class ObbInfo implements Parcelable {
/** Flag noting that this OBB is an overlay patch for a base OBB. */
@@ -43,7 +43,8 @@ public class ObbInfo implements Parcelable {
*/
public int flags;
- public ObbInfo() {
+ // Only allow things in this package to instantiate.
+ /* package */ ObbInfo() {
}
public String toString() {
diff --git a/core/java/android/content/res/ObbScanner.java b/core/java/android/content/res/ObbScanner.java
index eb383c3..a3f141e 100644
--- a/core/java/android/content/res/ObbScanner.java
+++ b/core/java/android/content/res/ObbScanner.java
@@ -16,25 +16,43 @@
package android.content.res;
+import java.io.File;
+import java.io.IOException;
+
/**
- * Class to scan Opaque Binary Blob (OBB) files.
- * @hide
+ * Class to scan Opaque Binary Blob (OBB) files. Use this to get information
+ * about an OBB file for use in a program via {@link ObbInfo}.
*/
public class ObbScanner {
// Don't allow others to instantiate this class
private ObbScanner() {}
- public static ObbInfo getObbInfo(String filePath) {
+ /**
+ * Scan a file for OBB information.
+ *
+ * @param filePath path to the OBB file to be scanned.
+ * @return ObbInfo object information corresponding to the file path
+ * @throws IllegalArgumentException if the OBB file couldn't be found
+ * @throws IOException if the OBB file couldn't be read
+ */
+ public static ObbInfo getObbInfo(String filePath) throws IOException {
if (filePath == null) {
- return null;
+ throw new IllegalArgumentException("file path cannot be null");
}
- ObbInfo obbInfo = new ObbInfo();
- if (!getObbInfo_native(filePath, obbInfo)) {
- throw new IllegalArgumentException("Could not read OBB file: " + filePath);
+ final File obbFile = new File(filePath);
+ if (!obbFile.exists()) {
+ throw new IllegalArgumentException("OBB file does nto exist: " + filePath);
}
+
+ final String canonicalFilePath = obbFile.getCanonicalPath();
+
+ ObbInfo obbInfo = new ObbInfo();
+ getObbInfo_native(canonicalFilePath, obbInfo);
+
return obbInfo;
}
- private native static boolean getObbInfo_native(String filePath, ObbInfo obbInfo);
+ private native static void getObbInfo_native(String filePath, ObbInfo obbInfo)
+ throws IOException;
}
diff --git a/core/java/android/os/storage/OnObbStateChangeListener.java b/core/java/android/os/storage/OnObbStateChangeListener.java
new file mode 100644
index 0000000..a2d0a56
--- /dev/null
+++ b/core/java/android/os/storage/OnObbStateChangeListener.java
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2010 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.storage;
+
+/**
+ * Used for receiving notifications from {@link StorageManager}.
+ */
+public abstract class OnObbStateChangeListener {
+ /**
+ * Called when an OBB has changed states.
+ *
+ * @param path path to the OBB file the state change has happened on
+ * @param state the current state of the OBB
+ */
+ public void onObbStateChange(String path, String state) {
+ }
+}
diff --git a/core/java/android/os/storage/StorageManager.java b/core/java/android/os/storage/StorageManager.java
index df0b69c..14da00a 100644
--- a/core/java/android/os/storage/StorageManager.java
+++ b/core/java/android/os/storage/StorageManager.java
@@ -23,13 +23,28 @@ import android.os.RemoteException;
import android.os.ServiceManager;
import android.util.Log;
+import java.lang.ref.WeakReference;
import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.LinkedList;
+import java.util.List;
/**
- * StorageManager is the interface to the systems storage service.
+ * StorageManager is the interface to the systems storage service. The storage
+ * manager handles storage-related items such as Opaque Binary Blobs (OBBs).
+ * <p>
+ * OBBs contain a filesystem that maybe be encrypted on disk and mounted
+ * on-demand from an application. OBBs are a good way of providing large amounts
+ * of binary assets without packaging them into APKs as they may be multiple
+ * gigabytes in size. However, due to their size, they're most likely stored in
+ * a shared storage pool accessible from all programs. The system does not
+ * guarantee the security of the OBB file itself: if any program modifies the
+ * OBB, there is no guarantee that a read from that OBB will produce the
+ * expected output.
+ * <p>
* Get an instance of this class by calling
- * {@link android.content.Context#getSystemService(java.lang.String)} with an argument
- * of {@link android.content.Context#STORAGE_SERVICE}.
+ * {@link android.content.Context#getSystemService(java.lang.String)} with an
+ * argument of {@link android.content.Context#STORAGE_SERVICE}.
*/
public class StorageManager
@@ -75,11 +90,113 @@ public class StorageManager
/**
* Binder listener for OBB action results.
*/
- private final ObbActionBinderListener mObbActionListener = new ObbActionBinderListener();
- private class ObbActionBinderListener extends IObbActionListener.Stub {
+ private final ObbActionListener mObbActionListener = new ObbActionListener();
+
+ private class ObbActionListener extends IObbActionListener.Stub {
+ private List<WeakReference<ObbListenerDelegate>> mListeners = new LinkedList<WeakReference<ObbListenerDelegate>>();
+
@Override
public void onObbResult(String filename, String status) throws RemoteException {
- Log.i(TAG, "filename = " + filename + ", result = " + status);
+ synchronized (mListeners) {
+ final Iterator<WeakReference<ObbListenerDelegate>> iter = mListeners.iterator();
+ while (iter.hasNext()) {
+ final WeakReference<ObbListenerDelegate> ref = iter.next();
+
+ final ObbListenerDelegate delegate = (ref == null) ? null : ref.get();
+ if (delegate == null) {
+ iter.remove();
+ continue;
+ }
+
+ delegate.sendObbStateChanged(filename, status);
+ }
+ }
+ }
+
+ public void addListener(OnObbStateChangeListener listener) {
+ if (listener == null) {
+ return;
+ }
+
+ synchronized (mListeners) {
+ final Iterator<WeakReference<ObbListenerDelegate>> iter = mListeners.iterator();
+ while (iter.hasNext()) {
+ final WeakReference<ObbListenerDelegate> ref = iter.next();
+
+ final ObbListenerDelegate delegate = (ref == null) ? null : ref.get();
+ if (delegate == null) {
+ iter.remove();
+ continue;
+ }
+
+ /*
+ * If we're already in the listeners, we don't need to be in
+ * there again.
+ */
+ if (listener.equals(delegate.getListener())) {
+ return;
+ }
+ }
+
+ final ObbListenerDelegate delegate = new ObbListenerDelegate(listener);
+ mListeners.add(new WeakReference<ObbListenerDelegate>(delegate));
+ }
+ }
+ }
+
+ /**
+ * Private class containing sender and receiver code for StorageEvents.
+ */
+ private class ObbListenerDelegate {
+ private final WeakReference<OnObbStateChangeListener> mObbEventListenerRef;
+ private final Handler mHandler;
+
+ ObbListenerDelegate(OnObbStateChangeListener listener) {
+ mObbEventListenerRef = new WeakReference<OnObbStateChangeListener>(listener);
+ mHandler = new Handler(mTgtLooper) {
+ @Override
+ public void handleMessage(Message msg) {
+ final OnObbStateChangeListener listener = getListener();
+ if (listener == null) {
+ return;
+ }
+
+ StorageEvent e = (StorageEvent) msg.obj;
+
+ if (msg.what == StorageEvent.EVENT_OBB_STATE_CHANGED) {
+ ObbStateChangedStorageEvent ev = (ObbStateChangedStorageEvent) e;
+ listener.onObbStateChange(ev.path, ev.state);
+ } else {
+ Log.e(TAG, "Unsupported event " + msg.what);
+ }
+ }
+ };
+ }
+
+ OnObbStateChangeListener getListener() {
+ if (mObbEventListenerRef == null) {
+ return null;
+ }
+ return mObbEventListenerRef.get();
+ }
+
+ void sendObbStateChanged(String path, String state) {
+ ObbStateChangedStorageEvent e = new ObbStateChangedStorageEvent(path, state);
+ mHandler.sendMessage(e.getMessage());
+ }
+ }
+
+ /**
+ * Message sent during an OBB status change event.
+ */
+ private class ObbStateChangedStorageEvent extends StorageEvent {
+ public final String path;
+ public final String state;
+
+ public ObbStateChangedStorageEvent(String path, String state) {
+ super(EVENT_OBB_STATE_CHANGED);
+ this.path = path;
+ this.state = state;
}
}
@@ -88,8 +205,9 @@ public class StorageManager
* and the target looper handler.
*/
private class StorageEvent {
- public static final int EVENT_UMS_CONNECTION_CHANGED = 1;
- public static final int EVENT_STORAGE_STATE_CHANGED = 2;
+ static final int EVENT_UMS_CONNECTION_CHANGED = 1;
+ static final int EVENT_STORAGE_STATE_CHANGED = 2;
+ static final int EVENT_OBB_STATE_CHANGED = 3;
private Message mMessage;
@@ -300,19 +418,27 @@ public class StorageManager
* specified, it is supplied to the mounting process to be used in any
* encryption used in the OBB.
* <p>
+ * The OBB will remain mounted for as long as the StorageManager reference
+ * is held by the application. As soon as this reference is lost, the OBBs
+ * in use will be unmounted. The {@link OnObbStateChangeListener} registered with
+ * this call will receive all further OBB-related events until it goes out
+ * of scope. If the caller is not interested in whether the call succeeds,
+ * the <code>listener</code> may be specified as <code>null</code>.
+ * <p>
* <em>Note:</em> you can only mount OBB files for which the OBB tag on the
* file matches a package ID that is owned by the calling program's UID.
- * That is, shared UID applications can obtain access to any other
+ * That is, shared UID applications can attempt to mount any other
* application's OBB that shares its UID.
- * <p>
- * STOPSHIP document more; discuss lack of guarantees of security
*
* @param filename the path to the OBB file
- * @param key decryption key
+ * @param key secret used to encrypt the OBB; may be <code>null</code> if no
+ * encryption was used on the OBB.
* @return whether the mount call was successfully queued or not
+ * @throws IllegalArgumentException when the OBB is already mounted
*/
- public boolean mountObb(String filename, String key) {
+ public boolean mountObb(String filename, String key, OnObbStateChangeListener listener) {
try {
+ mObbActionListener.addListener(listener);
mMountService.mountObb(filename, key, mObbActionListener);
return true;
} catch (RemoteException e) {
@@ -323,15 +449,20 @@ public class StorageManager
}
/**
- * Unmount an Opaque Binary Blob (OBB) file. If the <code>force</code> flag
- * is true, it will kill any application needed to unmount the given OBB.
+ * Unmount an Opaque Binary Blob (OBB) file asynchronously. If the
+ * <code>force</code> flag is true, it will kill any application needed to
+ * unmount the given OBB (even the calling application).
+ * <p>
+ * The {@link OnObbStateChangeListener} registered with this call will receive all
+ * further OBB-related events until it goes out of scope. If the caller is
+ * not interested in whether the call succeeded, the listener may be
+ * specified as <code>null</code>.
* <p>
* <em>Note:</em> you can only mount OBB files for which the OBB tag on the
* file matches a package ID that is owned by the calling program's UID.
* That is, shared UID applications can obtain access to any other
* application's OBB that shares its UID.
* <p>
- * STOPSHIP document more; discuss lack of guarantees of security
*
* @param filename path to the OBB file
* @param force whether to kill any programs using this in order to unmount
@@ -339,8 +470,10 @@ public class StorageManager
* @return whether the unmount call was successfully queued or not
* @throws IllegalArgumentException when OBB is not already mounted
*/
- public boolean unmountObb(String filename, boolean force) throws IllegalArgumentException {
+ public boolean unmountObb(String filename, boolean force, OnObbStateChangeListener listener)
+ throws IllegalArgumentException {
try {
+ mObbActionListener.addListener(listener);
mMountService.unmountObb(filename, force, mObbActionListener);
return true;
} catch (RemoteException e) {
diff --git a/core/jni/android_content_res_ObbScanner.cpp b/core/jni/android_content_res_ObbScanner.cpp
index 62c89fc..2a9eacf 100644
--- a/core/jni/android_content_res_ObbScanner.cpp
+++ b/core/jni/android_content_res_ObbScanner.cpp
@@ -34,7 +34,17 @@ static struct {
jfieldID flags;
} gObbInfoClassInfo;
-static jboolean android_content_res_ObbScanner_getObbInfo(JNIEnv* env, jobject clazz, jstring file,
+static void doThrow(JNIEnv* env, const char* exc, const char* msg = NULL)
+{
+ jclass npeClazz;
+
+ npeClazz = env->FindClass(exc);
+ LOG_FATAL_IF(npeClazz == NULL, "Unable to find class %s", exc);
+
+ env->ThrowNew(npeClazz, msg);
+}
+
+static void android_content_res_ObbScanner_getObbInfo(JNIEnv* env, jobject clazz, jstring file,
jobject obbInfo)
{
const char* filePath = env->GetStringUTFChars(file, JNI_FALSE);
@@ -42,7 +52,8 @@ static jboolean android_content_res_ObbScanner_getObbInfo(JNIEnv* env, jobject c
sp<ObbFile> obb = new ObbFile();
if (!obb->readFrom(filePath)) {
env->ReleaseStringUTFChars(file, filePath);
- return JNI_FALSE;
+ doThrow(env, "java/io/IOException", "Could not read OBB file");
+ return;
}
env->ReleaseStringUTFChars(file, filePath);
@@ -51,13 +62,13 @@ static jboolean android_content_res_ObbScanner_getObbInfo(JNIEnv* env, jobject c
jstring packageName = env->NewStringUTF(packageNameStr);
if (packageName == NULL) {
- return JNI_FALSE;
+ doThrow(env, "java/io/IOException", "Could not read OBB file");
+ return;
}
env->SetObjectField(obbInfo, gObbInfoClassInfo.packageName, packageName);
env->SetIntField(obbInfo, gObbInfoClassInfo.version, obb->getVersion());
-
- return JNI_TRUE;
+ env->SetIntField(obbInfo, gObbInfoClassInfo.flags, obb->getFlags());
}
/*
@@ -65,7 +76,7 @@ static jboolean android_content_res_ObbScanner_getObbInfo(JNIEnv* env, jobject c
*/
static JNINativeMethod gMethods[] = {
/* name, signature, funcPtr */
- { "getObbInfo_native", "(Ljava/lang/String;Landroid/content/res/ObbInfo;)Z",
+ { "getObbInfo_native", "(Ljava/lang/String;Landroid/content/res/ObbInfo;)V",
(void*) android_content_res_ObbScanner_getObbInfo },
};
diff --git a/include/storage/IMountService.h b/include/storage/IMountService.h
index a2735a4..436fc38 100644
--- a/include/storage/IMountService.h
+++ b/include/storage/IMountService.h
@@ -62,7 +62,8 @@ public:
virtual void finishMediaUpdate() = 0;
virtual void mountObb(const String16& filename, const String16& key,
const sp<IObbActionListener>& token) = 0;
- virtual void unmountObb(const String16& filename, const bool force) = 0;
+ virtual void unmountObb(const String16& filename, const bool force,
+ const sp<IObbActionListener>& token) = 0;
virtual bool isObbMounted(const String16& filename) = 0;
virtual bool getMountedObbPath(const String16& filename, String16& path) = 0;
};
diff --git a/libs/storage/IMountService.cpp b/libs/storage/IMountService.cpp
index 902bb27..3ad9319 100644
--- a/libs/storage/IMountService.cpp
+++ b/libs/storage/IMountService.cpp
@@ -429,8 +429,8 @@ public:
reply.readExceptionCode();
}
- void mountObb(const String16& filename, const String16& key, const sp<
- IObbActionListener>& token)
+ void mountObb(const String16& filename, const String16& key,
+ const sp<IObbActionListener>& token)
{
Parcel data, reply;
data.writeInterfaceToken(IMountService::getInterfaceDescriptor());
@@ -448,7 +448,7 @@ public:
}
}
- void unmountObb(const String16& filename, const bool force)
+ void unmountObb(const String16& filename, const bool force, const sp<IObbActionListener>& token)
{
Parcel data, reply;
data.writeInterfaceToken(IMountService::getInterfaceDescriptor());
diff --git a/native/android/Android.mk b/native/android/Android.mk
index cc35a3a..44ec83f 100644
--- a/native/android/Android.mk
+++ b/native/android/Android.mk
@@ -12,6 +12,7 @@ LOCAL_SRC_FILES:= \
looper.cpp \
native_activity.cpp \
native_window.cpp \
+ obb.cpp \
sensor.cpp \
storage_manager.cpp
diff --git a/native/android/obb.cpp b/native/android/obb.cpp
new file mode 100644
index 0000000..e0cb1a6
--- /dev/null
+++ b/native/android/obb.cpp
@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 2010 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 "NObb"
+
+#include <android/obb.h>
+
+#include <utils/Log.h>
+#include <utils/ObbFile.h>
+
+using namespace android;
+
+struct AObbInfo : public ObbFile {};
+
+AObbInfo* AObbScanner_getObbInfo(const char* filename) {
+ AObbInfo* obbFile = new AObbInfo();
+ if (obbFile == NULL || !obbFile->readFrom(filename)) {
+ delete obbFile;
+ return NULL;
+ }
+ obbFile->incStrong((void*)AObbScanner_getObbInfo);
+ return static_cast<AObbInfo*>(obbFile);
+}
+
+void AObbInfo_delete(AObbInfo* obbInfo) {
+ if (obbInfo != NULL) {
+ obbInfo->decStrong((void*)AObbScanner_getObbInfo);
+ }
+}
+
+const char* AObbInfo_getPackageName(AObbInfo* obbInfo) {
+ return obbInfo->getPackageName();
+}
+
+int32_t AObbInfo_getVersion(AObbInfo* obbInfo) {
+ return obbInfo->getVersion();
+}
+
+int32_t AObbInfo_getFlags(AObbInfo* obbInfo) {
+ return obbInfo->getFlags();
+}
diff --git a/native/android/storage_manager.cpp b/native/android/storage_manager.cpp
index 6dbe746..2f20641 100644
--- a/native/android/storage_manager.cpp
+++ b/native/android/storage_manager.cpp
@@ -38,20 +38,20 @@ public:
mStorageManager(mgr)
{}
- virtual void onObbResult(const android::String16& filename, const android::String16& state) {
- LOGD("Got obb result (%s, %s)\n", String8(filename).string(), String8(state).string());
- }
+ virtual void onObbResult(const android::String16& filename, const android::String16& state);
};
struct AStorageManager : public RefBase {
protected:
- void* mObbCallback;
+ AStorageManager_obbCallbackFunc mObbCallback;
+ void* mObbCallbackData;
sp<ObbActionListener> mObbActionListener;
sp<IMountService> mMountService;
public:
- AStorageManager() :
- mObbCallback(NULL)
+ AStorageManager()
+ : mObbCallback(NULL)
+ , mObbCallbackData(NULL)
{
}
@@ -73,8 +73,15 @@ public:
return true;
}
- void setObbCallback(void* cb) {
+ void setObbCallback(AStorageManager_obbCallbackFunc cb, void* data) {
mObbCallback = cb;
+ mObbCallbackData = data;
+ }
+
+ void fireCallback(const char* filename, const char* state) {
+ if (mObbCallback != NULL) {
+ mObbCallback(filename, state, mObbCallbackData);
+ }
}
void mountObb(const char* filename, const char* key) {
@@ -85,7 +92,7 @@ public:
void unmountObb(const char* filename, const bool force) {
String16 filename16(filename);
- mMountService->unmountObb(filename16, force);
+ mMountService->unmountObb(filename16, force, mObbActionListener);
}
int isObbMounted(const char* filename) {
@@ -104,6 +111,10 @@ public:
}
};
+void ObbActionListener::onObbResult(const android::String16& filename, const android::String16& state) {
+ mStorageManager->fireCallback(String8(filename).string(), String8(state).string());
+}
+
AStorageManager* AStorageManager_new() {
sp<AStorageManager> mgr = new AStorageManager();
@@ -120,8 +131,8 @@ void AStorageManager_delete(AStorageManager* mgr) {
}
}
-void AStorageManager_setObbCallback(AStorageManager* mgr, void* cb) {
- mgr->setObbCallback(cb);
+void AStorageManager_setObbCallback(AStorageManager* mgr, AStorageManager_obbCallbackFunc cb, void* data) {
+ mgr->setObbCallback(cb, data);
}
void AStorageManager_mountObb(AStorageManager* mgr, const char* filename, const char* key) {
diff --git a/native/include/android/obb.h b/native/include/android/obb.h
new file mode 100644
index 0000000..65e9b2a
--- /dev/null
+++ b/native/include/android/obb.h
@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) 2010 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 ANDROID_OBB_H
+#define ANDROID_OBB_H
+
+#include <sys/types.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct AObbInfo;
+typedef struct AObbInfo AObbInfo;
+
+enum {
+ AOBBINFO_OVERLAY = 0x0001,
+};
+
+/**
+ * Scan an OBB and get information about it.
+ */
+AObbInfo* AObbScanner_getObbInfo(const char* filename);
+
+/**
+ * Destroy the AObbInfo object. You must call this when finished with the object.
+ */
+void AObbInfo_delete(AObbInfo* obbInfo);
+
+/**
+ * Get the package name for the OBB.
+ */
+const char* AObbInfo_getPackageName(AObbInfo* obbInfo);
+
+/**
+ * Get the version of an OBB file.
+ */
+int32_t AObbInfo_getVersion(AObbInfo* obbInfo);
+
+/**
+ * Get the flags of an OBB file.
+ */
+int32_t AObbInfo_getFlags(AObbInfo* obbInfo);
+
+#ifdef __cplusplus
+};
+#endif
+
+#endif // ANDROID_OBB_H
diff --git a/native/include/android/storage_manager.h b/native/include/android/storage_manager.h
index bbed8a4..6f925c1 100644
--- a/native/include/android/storage_manager.h
+++ b/native/include/android/storage_manager.h
@@ -37,17 +37,22 @@ AStorageManager* AStorageManager_new();
void AStorageManager_delete(AStorageManager* mgr);
/**
- * Callback to call when requested OBB is complete.
+ * Callback function for asynchronous calls made on OBB files.
*/
-void AStorageManager_setObbCallback(AStorageManager* mgr, void* cb);
+typedef void (*AStorageManager_obbCallbackFunc)(const char* filename, const char* state, void* data);
/**
- * Attempts to mount an OBB file.
+ * Callback to call when requested asynchronous OBB operation is complete.
+ */
+void AStorageManager_setObbCallback(AStorageManager* mgr, AStorageManager_obbCallbackFunc cb, void* data);
+
+/**
+ * Attempts to mount an OBB file. This is an asynchronous operation.
*/
void AStorageManager_mountObb(AStorageManager* mgr, const char* filename, const char* key);
/**
- * Attempts to unmount an OBB file.
+ * Attempts to unmount an OBB file. This is an asynchronous operation.
*/
void AStorageManager_unmountObb(AStorageManager* mgr, const char* filename, const int force);
@@ -66,4 +71,4 @@ const char* AStorageManager_getMountedObbPath(AStorageManager* mgr, const char*
};
#endif
-#endif // ANDROID_PACKAGE_MANAGER_H
+#endif // ANDROID_STORAGE_MANAGER_H
diff --git a/packages/DefaultContainerService/src/com/android/defcontainer/DefaultContainerService.java b/packages/DefaultContainerService/src/com/android/defcontainer/DefaultContainerService.java
index f08bd3c..eb86277 100644
--- a/packages/DefaultContainerService/src/com/android/defcontainer/DefaultContainerService.java
+++ b/packages/DefaultContainerService/src/com/android/defcontainer/DefaultContainerService.java
@@ -156,7 +156,12 @@ public class DefaultContainerService extends IntentService {
}
public ObbInfo getObbInfo(String filename) {
- return ObbScanner.getObbInfo(filename);
+ try {
+ return ObbScanner.getObbInfo(filename);
+ } catch (IOException e) {
+ Log.d(TAG, "Couldn't get OBB info", e);
+ return null;
+ }
}
};
diff --git a/services/java/com/android/server/MountService.java b/services/java/com/android/server/MountService.java
index cfba07a..f3625a8 100644
--- a/services/java/com/android/server/MountService.java
+++ b/services/java/com/android/server/MountService.java
@@ -46,6 +46,7 @@ import android.os.storage.IObbActionListener;
import android.os.storage.StorageResultCode;
import android.util.Slog;
+import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
@@ -148,7 +149,7 @@ class MountService extends IMountService.Stub
* Mounted OBB tracking information. Used to track the current state of all
* OBBs.
*/
- final private Map<IObbActionListener, ObbState> mObbMounts = new HashMap<IObbActionListener, ObbState>();
+ final private Map<IObbActionListener, List<ObbState>> mObbMounts = new HashMap<IObbActionListener, List<ObbState>>();
final private Map<String, ObbState> mObbPathToStateMap = new HashMap<String, ObbState>();
class ObbState implements IBinder.DeathRecipient {
@@ -160,13 +161,13 @@ class MountService extends IMountService.Stub
}
// OBB source filename
- String filename;
+ final String filename;
// Token of remote Binder caller
- IObbActionListener token;
+ final IObbActionListener token;
// Binder.callingUid()
- public int callerUid;
+ final public int callerUid;
// Whether this is mounted currently.
boolean mounted;
@@ -225,9 +226,9 @@ class MountService extends IMountService.Stub
private static final int MAX_UNMOUNT_RETRIES = 4;
class UnmountCallBack {
- String path;
+ final String path;
+ final boolean force;
int retries;
- boolean force;
UnmountCallBack(String path, boolean force) {
retries = 0;
@@ -242,7 +243,7 @@ class MountService extends IMountService.Stub
}
class UmsEnableCallBack extends UnmountCallBack {
- String method;
+ final String method;
UmsEnableCallBack(String path, String method, boolean force) {
super(path, force);
@@ -1513,10 +1514,6 @@ class MountService extends IMountService.Stub
throw new IllegalArgumentException("OBB file is already mounted");
}
- if (mObbMounts.containsKey(token)) {
- throw new IllegalArgumentException("You may only have one OBB mounted at a time");
- }
-
final int callerUid = Binder.getCallingUid();
obbState = new ObbState(filename, token, callerUid);
addObbState(obbState);
@@ -1554,14 +1551,25 @@ class MountService extends IMountService.Stub
private void addObbState(ObbState obbState) {
synchronized (mObbMounts) {
- mObbMounts.put(obbState.token, obbState);
+ List<ObbState> obbStates = mObbMounts.get(obbState.token);
+ if (obbStates == null) {
+ obbStates = new ArrayList<ObbState>();
+ mObbMounts.put(obbState.token, obbStates);
+ }
+ obbStates.add(obbState);
mObbPathToStateMap.put(obbState.filename, obbState);
}
}
private void removeObbState(ObbState obbState) {
synchronized (mObbMounts) {
- mObbMounts.remove(obbState.token);
+ final List<ObbState> obbStates = mObbMounts.get(obbState.token);
+ if (obbStates != null) {
+ obbStates.remove(obbState);
+ }
+ if (obbStates == null || obbStates.isEmpty()) {
+ mObbMounts.remove(obbState.token);
+ }
mObbPathToStateMap.remove(obbState.filename);
}
}
@@ -1737,7 +1745,7 @@ class MountService extends IMountService.Stub
}
}
- abstract void handleExecute() throws RemoteException;
+ abstract void handleExecute() throws RemoteException, IOException;
abstract void handleError();
}
@@ -1749,8 +1757,12 @@ class MountService extends IMountService.Stub
mKey = key;
}
- public void handleExecute() throws RemoteException {
+ public void handleExecute() throws RemoteException, IOException {
ObbInfo obbInfo = mContainerService.getObbInfo(mObbState.filename);
+ if (obbInfo == null) {
+ throw new IOException("Couldn't read OBB file");
+ }
+
if (!isUidOwnerOfPackageOrSystem(obbInfo.packageName, mObbState.callerUid)) {
throw new IllegalArgumentException("Caller package does not match OBB file");
}
@@ -1773,15 +1785,17 @@ class MountService extends IMountService.Stub
if (rc == StorageResultCode.OperationSucceeded) {
try {
- mObbState.token.onObbResult(mObbState.filename, "mounted");
+ mObbState.token.onObbResult(mObbState.filename, Environment.MEDIA_MOUNTED);
} catch (RemoteException e) {
Slog.w(TAG, "MountServiceListener went away while calling onObbStateChanged");
}
} else {
- Slog.e(TAG, "Couldn't mount OBB file");
+ Slog.e(TAG, "Couldn't mount OBB file: " + rc);
// We didn't succeed, so remove this from the mount-set.
removeObbState(mObbState);
+
+ mObbState.token.onObbResult(mObbState.filename, Environment.MEDIA_BAD_REMOVAL);
}
}
@@ -1789,7 +1803,7 @@ class MountService extends IMountService.Stub
removeObbState(mObbState);
try {
- mObbState.token.onObbResult(mObbState.filename, "error");
+ mObbState.token.onObbResult(mObbState.filename, Environment.MEDIA_BAD_REMOVAL);
} catch (RemoteException e) {
Slog.e(TAG, "Couldn't send back OBB mount error for " + mObbState.filename);
}
@@ -1818,8 +1832,11 @@ class MountService extends IMountService.Stub
mForceUnmount = force;
}
- public void handleExecute() throws RemoteException {
+ public void handleExecute() throws RemoteException, IOException {
ObbInfo obbInfo = mContainerService.getObbInfo(mObbState.filename);
+ if (obbInfo == null) {
+ throw new IOException("Couldn't read OBB file");
+ }
if (!isCallerOwnerOfPackageOrSystem(obbInfo.packageName)) {
throw new IllegalArgumentException("Caller package does not match OBB file");
@@ -1843,13 +1860,13 @@ class MountService extends IMountService.Stub
removeObbState(mObbState);
try {
- mObbState.token.onObbResult(mObbState.filename, "unmounted");
+ mObbState.token.onObbResult(mObbState.filename, Environment.MEDIA_UNMOUNTED);
} catch (RemoteException e) {
Slog.w(TAG, "MountServiceListener went away while calling onObbStateChanged");
}
} else {
try {
- mObbState.token.onObbResult(mObbState.filename, "error");
+ mObbState.token.onObbResult(mObbState.filename, Environment.MEDIA_BAD_REMOVAL);
} catch (RemoteException e) {
Slog.w(TAG, "MountServiceListener went away while calling onObbStateChanged");
}
@@ -1860,7 +1877,7 @@ class MountService extends IMountService.Stub
removeObbState(mObbState);
try {
- mObbState.token.onObbResult(mObbState.filename, "error");
+ mObbState.token.onObbResult(mObbState.filename, Environment.MEDIA_BAD_REMOVAL);
} catch (RemoteException e) {
Slog.e(TAG, "Couldn't send back OBB unmount error for " + mObbState.filename);
}
generated by cgit v1.1 at 2024-06-11 04:59:34 +0000