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Remove corrupted ver4 dictionaries. 

Bug: 12916055
Change-Id: I2c390ab1dc483915691b47a605772cbc2dfeaf09
main
Keisuke Kuroyanagi 2014-02-21 15:09:37 +09:00
parent be81b75dec
commit d934fb43ad
3 changed files with 51 additions and 10 deletions
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23
java/src/com/android/inputmethod/latin/BinaryDictionary.java
View File

@ -17,6 +17,7 @@
package com.android.inputmethod.latin;
import android.text.TextUtils;
import android.util.Log;
import android.util.SparseArray;
import com.android.inputmethod.annotations.UsedForTesting;
@ -29,6 +30,7 @@ import com.android.inputmethod.latin.makedict.UnsupportedFormatException;
import com.android.inputmethod.latin.makedict.WordProperty;
import com.android.inputmethod.latin.settings.NativeSuggestOptions;
import com.android.inputmethod.latin.utils.CollectionUtils;
import com.android.inputmethod.latin.utils.FileUtils;
import com.android.inputmethod.latin.utils.JniUtils;
import com.android.inputmethod.latin.utils.LanguageModelParam;
import com.android.inputmethod.latin.utils.StringUtils;
@ -84,6 +86,7 @@ public final class BinaryDictionary extends Dictionary {
private final Locale mLocale;
private final long mDictSize;
private final String mDictFilePath;
private final boolean mIsUpdatable;
private final int[] mInputCodePoints = new int[MAX_WORD_LENGTH];
private final int[] mOutputCodePoints = new int[MAX_WORD_LENGTH * MAX_RESULTS];
private final int[] mSpaceIndices = new int[MAX_RESULTS];
@ -130,6 +133,7 @@ public final class BinaryDictionary extends Dictionary {
mLocale = locale;
mDictSize = length;
mDictFilePath = filename;
mIsUpdatable = isUpdatable;
mNativeSuggestOptions.setUseFullEditDistance(useFullEditDistance);
loadDictionary(filename, offset, length, isUpdatable);
}
@ -177,6 +181,7 @@ public final class BinaryDictionary extends Dictionary {
int bigramProbability);
private static native int setCurrentTimeForTestNative(int currentTime);
private static native String getPropertyNative(long dict, String query);
private static native boolean isCorruptedNative(long dict);
public static boolean createEmptyDictFile(final String filePath, final long dictVersion,
final Locale locale, final Map<String, String> attributeMap) {
@ -198,6 +203,22 @@ public final class BinaryDictionary extends Dictionary {
mNativeDict = openNative(path, startOffset, length, isUpdatable);
}
// TODO: Check isCorrupted() for main dictionaries.
public boolean isCorrupted() {
if (!isValidDictionary()) {
return false;
}
if (!isCorruptedNative(mNativeDict)) {
return false;
}
// TODO: Record the corruption.
Log.e(TAG, "BinaryDictionary (" + mDictFilePath + ") is corrupted.");
Log.e(TAG, "locale: " + mLocale);
Log.e(TAG, "dict size: " + mDictSize);
Log.e(TAG, "updatable: " + mIsUpdatable);
return true;
}
@UsedForTesting
public DictionaryHeader getHeader() throws UnsupportedFormatException {
if (mNativeDict == 0) {
@ -444,7 +465,7 @@ public final class BinaryDictionary extends Dictionary {
// only be called for actual files. Right now it's only called by the flush() family of
// functions, which require an updatable dictionary, so it's okay. But beware.
loadDictionary(dictFile.getAbsolutePath(), 0 /* startOffset */,
dictFile.length(), true /* isUpdatable */);
dictFile.length(), mIsUpdatable);
}
public void flush() {

25
java/src/com/android/inputmethod/latin/ExpandableBinaryDictionary.java
View File

@ -276,22 +276,26 @@ abstract public class ExpandableBinaryDictionary extends Dictionary {
return attributeMap;
}
private void removeBinaryDictionaryLocked() {
if (mBinaryDictionary != null) {
mBinaryDictionary.close();
}
if (mDictFile.exists() && !FileUtils.deleteRecursively(mDictFile)) {
Log.e(TAG, "Can't remove a file: " + mDictFile.getName());
}
mBinaryDictionary = null;
}
protected void clear() {
final File dictFile = mDictFile;
getExecutor(mDictName).execute(new Runnable() {
@Override
public void run() {
if (mDictionaryWriter == null) {
if (mBinaryDictionary != null) {
mBinaryDictionary.close();
}
if (dictFile.exists() && !FileUtils.deleteRecursively(dictFile)) {
Log.e(TAG, "Can't remove a file: " + dictFile.getName());
}
BinaryDictionary.createEmptyDictFile(dictFile.getAbsolutePath(),
removeBinaryDictionaryLocked();
BinaryDictionary.createEmptyDictFile(mDictFile.getAbsolutePath(),
DICTIONARY_FORMAT_VERSION, mLocale, getHeaderAttributeMap());
mBinaryDictionary = new BinaryDictionary(
dictFile.getAbsolutePath(), 0 /* offset */, dictFile.length(),
mDictFile.getAbsolutePath(), 0 /* offset */, mDictFile.length(),
true /* useFullEditDistance */, mLocale, mDictType, mIsUpdatable);
} else {
mDictionaryWriter.clear();
@ -469,6 +473,9 @@ abstract public class ExpandableBinaryDictionary extends Dictionary {
proximityInfo, blockOffensiveWords, additionalFeaturesOptions,
sessionId);
holder.set(binarySuggestion);
if (mBinaryDictionary.isCorrupted()) {
removeBinaryDictionaryLocked();
}
}
});
return holder.get(null, TIMEOUT_FOR_READ_OPS_IN_MILLISECONDS);

13
native/jni/com_android_inputmethod_latin_BinaryDictionary.cpp
View File

@ -529,6 +529,14 @@ static int latinime_BinaryDictionary_setCurrentTimeForTest(JNIEnv *env, jclass c
return TimeKeeper::peekCurrentTime();
}
static bool latinime_BinaryDictionary_isCorruptedNative(JNIEnv *env, jclass clazz, jlong dict) {
Dictionary *dictionary = reinterpret_cast<Dictionary *>(dict);
if (!dictionary) {
return false;
}
return dictionary->getDictionaryStructurePolicy()->isCorrupted();
}
static const JNINativeMethod sMethods[] = {
{
const_cast<char *>("createEmptyDictFileNative"),
@ -642,6 +650,11 @@ static const JNINativeMethod sMethods[] = {
const_cast<char *>("getPropertyNative"),
const_cast<char *>("(JLjava/lang/String;)Ljava/lang/String;"),
reinterpret_cast<void *>(latinime_BinaryDictionary_getProperty)
},
{
const_cast<char *>("isCorruptedNative"),
const_cast<char *>("(J)Z"),
reinterpret_cast<void *>(latinime_BinaryDictionary_isCorruptedNative)
}
};