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Merge "Plumb through physical device UUID and label." into klp-dev

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This commit is contained in:
Jeff Sharkey
2013-10-18 01:45:58 +00:00
committed by Android (Google) Code Review
parent 6834ae6922 5aca2b8dc4
commit 8f4c15d8e4
6 changed files with 119 additions and 120 deletions
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7
core/java/android/os/FileUtils.java
View File

@@ -144,13 +144,6 @@ public class FileUtils {
}
}
/** returns the FAT file system volume ID for the volume mounted
* at the given mount point, or -1 for failure
* @param mountPoint point for FAT volume
* @return volume ID or -1
*/
public static native int getFatVolumeId(String mountPoint);
/**
* Perform an fsync on the given FileOutputStream. The stream at this
* point must be flushed but not yet closed.

75
core/java/android/os/storage/StorageVolume.java
View File

@@ -21,6 +21,9 @@ import android.os.Parcel;
import android.os.Parcelable;
import android.os.UserHandle;
import com.android.internal.util.IndentingPrintWriter;
import java.io.CharArrayWriter;
import java.io.File;
/**
@@ -46,6 +49,9 @@ public class StorageVolume implements Parcelable {
/** When set, indicates exclusive ownership of this volume */
private final UserHandle mOwner;
private String mUuid;
private String mUserLabel;
// StorageVolume extra for ACTION_MEDIA_REMOVED, ACTION_MEDIA_UNMOUNTED, ACTION_MEDIA_CHECKING,
// ACTION_MEDIA_NOFS, ACTION_MEDIA_MOUNTED, ACTION_MEDIA_SHARED, ACTION_MEDIA_UNSHARED,
// ACTION_MEDIA_BAD_REMOVAL, ACTION_MEDIA_UNMOUNTABLE and ACTION_MEDIA_EJECT broadcasts.
@@ -76,6 +82,8 @@ public class StorageVolume implements Parcelable {
mAllowMassStorage = in.readInt() != 0;
mMaxFileSize = in.readLong();
mOwner = in.readParcelable(null);
mUuid = in.readString();
mUserLabel = in.readString();
}
public static StorageVolume fromTemplate(StorageVolume template, File path, UserHandle owner) {
@@ -189,6 +197,37 @@ public class StorageVolume implements Parcelable {
return mOwner;
}
public void setUuid(String uuid) {
mUuid = uuid;
}
public String getUuid() {
return mUuid;
}
/**
* Parse and return volume UUID as FAT volume ID, or return -1 if unable to
* parse or UUID is unknown.
*/
public int getFatVolumeId() {
if (mUuid == null || mUuid.length() != 9) {
return -1;
}
try {
return Integer.parseInt(mUuid.replace("-", ""), 16);
} catch (NumberFormatException e) {
return -1;
}
}
public void setUserLabel(String userLabel) {
mUserLabel = userLabel;
}
public String getUserLabel() {
return mUserLabel;
}
@Override
public boolean equals(Object obj) {
if (obj instanceof StorageVolume && mPath != null) {
@@ -205,19 +244,27 @@ public class StorageVolume implements Parcelable {
@Override
public String toString() {
final StringBuilder builder = new StringBuilder("StorageVolume [");
builder.append("mStorageId=").append(mStorageId);
builder.append(" mPath=").append(mPath);
builder.append(" mDescriptionId=").append(mDescriptionId);
builder.append(" mPrimary=").append(mPrimary);
builder.append(" mRemovable=").append(mRemovable);
builder.append(" mEmulated=").append(mEmulated);
builder.append(" mMtpReserveSpace=").append(mMtpReserveSpace);
builder.append(" mAllowMassStorage=").append(mAllowMassStorage);
builder.append(" mMaxFileSize=").append(mMaxFileSize);
builder.append(" mOwner=").append(mOwner);
builder.append("]");
return builder.toString();
final CharArrayWriter writer = new CharArrayWriter();
dump(new IndentingPrintWriter(writer, " ", 80));
return writer.toString();
}
public void dump(IndentingPrintWriter pw) {
pw.println("StorageVolume:");
pw.increaseIndent();
pw.printPair("mStorageId", mStorageId);
pw.printPair("mPath", mPath);
pw.printPair("mDescriptionId", mDescriptionId);
pw.printPair("mPrimary", mPrimary);
pw.printPair("mRemovable", mRemovable);
pw.printPair("mEmulated", mEmulated);
pw.printPair("mMtpReserveSpace", mMtpReserveSpace);
pw.printPair("mAllowMassStorage", mAllowMassStorage);
pw.printPair("mMaxFileSize", mMaxFileSize);
pw.printPair("mOwner", mOwner);
pw.printPair("mUuid", mUuid);
pw.printPair("mUserLabel", mUserLabel);
pw.decreaseIndent();
}
public static final Creator<StorageVolume> CREATOR = new Creator<StorageVolume>() {
@@ -249,5 +296,7 @@ public class StorageVolume implements Parcelable {
parcel.writeInt(mAllowMassStorage ? 1 : 0);
parcel.writeLong(mMaxFileSize);
parcel.writeParcelable(mOwner, flags);
parcel.writeString(mUuid);
parcel.writeString(mUserLabel);
}
}

1
core/jni/Android.mk
View File

@@ -60,7 +60,6 @@ LOCAL_SRC_FILES:= \
android_text_AndroidCharacter.cpp \
android_text_AndroidBidi.cpp \
android_os_Debug.cpp \
android_os_FileUtils.cpp \
android_os_MemoryFile.cpp \
android_os_MessageQueue.cpp \
android_os_Parcel.cpp \

2
core/jni/AndroidRuntime.cpp
View File

@@ -142,7 +142,6 @@ extern int register_android_os_SystemProperties(JNIEnv *env);
extern int register_android_os_SystemClock(JNIEnv* env);
extern int register_android_os_Trace(JNIEnv* env);
extern int register_android_os_FileObserver(JNIEnv *env);
extern int register_android_os_FileUtils(JNIEnv *env);
extern int register_android_os_UEventObserver(JNIEnv* env);
extern int register_android_os_MemoryFile(JNIEnv* env);
extern int register_android_net_LocalSocketImpl(JNIEnv* env);
@@ -1169,7 +1168,6 @@ static const RegJNIRec gRegJNI[] = {
REG_JNI(register_android_database_SQLiteDebug),
REG_JNI(register_android_os_Debug),
REG_JNI(register_android_os_FileObserver),
REG_JNI(register_android_os_FileUtils),
REG_JNI(register_android_os_MessageQueue),
REG_JNI(register_android_os_SELinux),
REG_JNI(register_android_os_Trace),

70
core/jni/android_os_FileUtils.cpp
View File

@@ -1,70 +0,0 @@
/* //device/libs/android_runtime/android_util_Process.cpp
**
** Copyright 2006, 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 "FileUtils"
#include <utils/Log.h>
#include <android_runtime/AndroidRuntime.h>
#include "JNIHelp.h"
#include <sys/errno.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <fcntl.h>
#include <signal.h>
#include <sys/ioctl.h>
#include <linux/msdos_fs.h>
namespace android {
jint android_os_FileUtils_getFatVolumeId(JNIEnv* env, jobject clazz, jstring path)
{
if (path == NULL) {
jniThrowException(env, "java/lang/IllegalArgumentException", NULL);
return -1;
}
const char *pathStr = env->GetStringUTFChars(path, NULL);
int result = -1;
// only if our system supports this ioctl
#ifdef VFAT_IOCTL_GET_VOLUME_ID
int fd = open(pathStr, O_RDONLY);
if (fd >= 0) {
result = ioctl(fd, VFAT_IOCTL_GET_VOLUME_ID);
close(fd);
}
#endif
env->ReleaseStringUTFChars(path, pathStr);
return result;
}
static const JNINativeMethod methods[] = {
{"getFatVolumeId", "(Ljava/lang/String;)I", (void*)android_os_FileUtils_getFatVolumeId},
};
static const char* const kFileUtilsPathName = "android/os/FileUtils";
int register_android_os_FileUtils(JNIEnv* env)
{
return AndroidRuntime::registerNativeMethods(
env, kFileUtilsPathName,
methods, NELEM(methods));
}
}

84
services/java/com/android/server/MountService.java
View File

@@ -56,12 +56,14 @@ import android.os.storage.StorageResultCode;
import android.os.storage.StorageVolume;
import android.text.TextUtils;
import android.util.AttributeSet;
import android.util.Log;
import android.util.Slog;
import android.util.Xml;
import com.android.internal.annotations.GuardedBy;
import com.android.internal.annotations.VisibleForTesting;
import com.android.internal.app.IMediaContainerService;
import com.android.internal.util.IndentingPrintWriter;
import com.android.internal.util.Preconditions;
import com.android.internal.util.XmlUtils;
import com.android.server.NativeDaemonConnector.Command;
@@ -83,6 +85,7 @@ import java.security.NoSuchAlgorithmException;
import java.security.spec.InvalidKeySpecException;
import java.security.spec.KeySpec;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
@@ -173,6 +176,8 @@ class MountService extends IMountService.Stub
* 600 series - Unsolicited broadcasts.
*/
public static final int VolumeStateChange = 605;
public static final int VolumeUuidChange = 613;
public static final int VolumeUserLabelChange = 614;
public static final int VolumeDiskInserted = 630;
public static final int VolumeDiskRemoved = 631;
public static final int VolumeBadRemoval = 632;
@@ -801,6 +806,26 @@ class MountService extends IMountService.Stub
notifyVolumeStateChange(
cooked[2], cooked[3], Integer.parseInt(cooked[7]),
Integer.parseInt(cooked[10]));
} else if (code == VoldResponseCode.VolumeUuidChange) {
// Format: nnn <label> <path> <uuid>
final String path = cooked[2];
final String uuid = (cooked.length > 3) ? cooked[3] : null;
final StorageVolume vol = mVolumesByPath.get(path);
if (vol != null) {
vol.setUuid(uuid);
}
} else if (code == VoldResponseCode.VolumeUserLabelChange) {
// Format: nnn <label> <path> <label>
final String path = cooked[2];
final String userLabel = (cooked.length > 3) ? cooked[3] : null;
final StorageVolume vol = mVolumesByPath.get(path);
if (vol != null) {
vol.setUserLabel(userLabel);
}
} else if ((code == VoldResponseCode.VolumeDiskInserted) ||
(code == VoldResponseCode.VolumeDiskRemoved) ||
(code == VoldResponseCode.VolumeBadRemoval)) {
@@ -2743,54 +2768,59 @@ class MountService extends IMountService.Stub
}
@Override
protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) != PackageManager.PERMISSION_GRANTED) {
pw.println("Permission Denial: can't dump ActivityManager from from pid="
+ Binder.getCallingPid() + ", uid=" + Binder.getCallingUid()
+ " without permission " + android.Manifest.permission.DUMP);
return;
}
protected void dump(FileDescriptor fd, PrintWriter writer, String[] args) {
mContext.enforceCallingOrSelfPermission(android.Manifest.permission.DUMP, TAG);
final IndentingPrintWriter pw = new IndentingPrintWriter(writer, " ", 160);
synchronized (mObbMounts) {
pw.println(" mObbMounts:");
final Iterator<Entry<IBinder, List<ObbState>>> binders = mObbMounts.entrySet().iterator();
pw.println("mObbMounts:");
pw.increaseIndent();
final Iterator<Entry<IBinder, List<ObbState>>> binders = mObbMounts.entrySet()
.iterator();
while (binders.hasNext()) {
Entry<IBinder, List<ObbState>> e = binders.next();
pw.print(" Key="); pw.println(e.getKey().toString());
pw.println(e.getKey() + ":");
pw.increaseIndent();
final List<ObbState> obbStates = e.getValue();
for (final ObbState obbState : obbStates) {
pw.print(" "); pw.println(obbState.toString());
pw.println(obbState);
}
pw.decreaseIndent();
}
pw.decreaseIndent();
pw.println("");
pw.println(" mObbPathToStateMap:");
pw.println();
pw.println("mObbPathToStateMap:");
pw.increaseIndent();
final Iterator<Entry<String, ObbState>> maps = mObbPathToStateMap.entrySet().iterator();
while (maps.hasNext()) {
final Entry<String, ObbState> e = maps.next();
pw.print(" "); pw.print(e.getKey());
pw.print(" -> "); pw.println(e.getValue().toString());
pw.print(e.getKey());
pw.print(" -> ");
pw.println(e.getValue());
}
pw.decreaseIndent();
}
pw.println("");
synchronized (mVolumesLock) {
pw.println(" mVolumes:");
final int N = mVolumes.size();
for (int i = 0; i < N; i++) {
final StorageVolume v = mVolumes.get(i);
pw.print(" ");
pw.println(v.toString());
pw.println(" state=" + mVolumeStates.get(v.getPath()));
pw.println();
pw.println("mVolumes:");
pw.increaseIndent();
for (StorageVolume volume : mVolumes) {
pw.println(volume);
pw.increaseIndent();
pw.println("Current state: " + mVolumeStates.get(volume.getPath()));
pw.decreaseIndent();
}
pw.decreaseIndent();
}
pw.println();
pw.println(" mConnection:");
pw.println("mConnection:");
pw.increaseIndent();
mConnector.dump(fd, pw, args);
pw.decreaseIndent();
}
/** {@inheritDoc} */