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Fix #2

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The output file descriptor was not being closed after each chunk was written.
1. The output stream will no longer be stored in the restore state.
2. The output file descriptor will be closed after a chunk is transferred.
This commit is contained in:
Steve Soltys 2017-11-08 23:21:27 -05:00
parent 09ff3ba493
commit 0bd1596056
3 changed files with 17 additions and 37 deletions
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7
app/src/main/java/com/stevesoltys/backup/transport/ConfigurableBackupTransportService.java
View file

@ -13,15 +13,8 @@ public class ConfigurableBackupTransportService extends Service {
private static ConfigurableBackupTransport backupTransport;
public ConfigurableBackupTransportService() {
backupTransport = null;
}
@Override
public void onCreate() {
if (backupTransport == null) {
backupTransport = new ConfigurableBackupTransport();
}
}
@Override
public IBinder onBind(Intent intent) {

34
app/src/main/java/com/stevesoltys/backup/transport/component/provider/ContentProviderRestoreComponent.java
View file

@ -85,7 +85,8 @@ public class ContentProviderRestoreComponent implements RestoreComponent {
ZipInputStream inputStream = buildInputStream(inputFileDescriptor);
Optional<ZipEntry> zipEntry = seekToEntry(inputStream, fileName);
IoUtils.closeQuietly(inputFileDescriptor.getFileDescriptor());
IoUtils.closeQuietly(inputFileDescriptor);
IoUtils.closeQuietly(inputStream);
return zipEntry.isPresent();
}
@ -120,10 +121,9 @@ public class ContentProviderRestoreComponent implements RestoreComponent {
"getRestoreData() for non-key/value dataset");
PackageInfo packageInfo = restoreState.getPackages()[restoreState.getPackageIndex()];
BackupDataOutput backupDataOutput = new BackupDataOutput(outputFileDescriptor.getFileDescriptor());
try {
return transferIncrementalRestoreData(packageInfo.packageName, backupDataOutput);
return transferIncrementalRestoreData(packageInfo.packageName, outputFileDescriptor);
} catch (Exception ex) {
Log.e(TAG, "Unable to read backup records: ", ex);
@ -131,10 +131,12 @@ public class ContentProviderRestoreComponent implements RestoreComponent {
}
}
private int transferIncrementalRestoreData(String packageName, BackupDataOutput backupDataOutput)
private int transferIncrementalRestoreData(String packageName, ParcelFileDescriptor outputFileDescriptor)
throws IOException, InvalidAlgorithmParameterException, InvalidKeyException {
ParcelFileDescriptor inputFileDescriptor = buildInputFileDescriptor();
ZipInputStream inputStream = buildInputStream(inputFileDescriptor);
BackupDataOutput backupDataOutput = new BackupDataOutput(outputFileDescriptor.getFileDescriptor());
Optional<ZipEntry> zipEntryOptional = seekToEntry(inputStream,
configuration.getIncrementalBackupDirectory() + packageName);
@ -150,7 +152,8 @@ public class ContentProviderRestoreComponent implements RestoreComponent {
zipEntryOptional = seekToEntry(inputStream, configuration.getIncrementalBackupDirectory() + packageName);
}
IoUtils.closeQuietly(inputFileDescriptor.getFileDescriptor());
IoUtils.closeQuietly(inputFileDescriptor);
IoUtils.closeQuietly(outputFileDescriptor);
return TRANSPORT_OK;
}
@ -172,30 +175,26 @@ public class ContentProviderRestoreComponent implements RestoreComponent {
restoreState.setInputStream(inputStream);
if (!seekToEntry(inputStream, configuration.getFullBackupDirectory() + name).isPresent()) {
IoUtils.closeQuietly(inputFileDescriptor.getFileDescriptor());
IoUtils.closeQuietly(inputFileDescriptor);
IoUtils.closeQuietly(outputFileDescriptor);
return TRANSPORT_PACKAGE_REJECTED;
}
} catch (IOException ex) {
Log.e(TAG, "Unable to read archive for " + name, ex);
if (inputFileDescriptor != null) {
IoUtils.closeQuietly(inputFileDescriptor.getFileDescriptor());
}
IoUtils.closeQuietly(inputFileDescriptor);
IoUtils.closeQuietly(outputFileDescriptor);
return TRANSPORT_PACKAGE_REJECTED;
}
}
if (restoreState.getOutputStream() == null) {
restoreState.setOutputStream(new FileOutputStream(outputFileDescriptor.getFileDescriptor()));
}
return transferFullRestoreData(outputFileDescriptor);
}
private int transferFullRestoreData(ParcelFileDescriptor outputFileDescriptor) {
ZipInputStream inputStream = restoreState.getInputStream();
OutputStream outputStream = restoreState.getOutputStream();
OutputStream outputStream = new FileOutputStream(outputFileDescriptor.getFileDescriptor());
byte[] buffer = new byte[DEFAULT_BUFFER_SIZE];
int bytesRead = NO_MORE_DATA;
@ -217,14 +216,14 @@ public class ContentProviderRestoreComponent implements RestoreComponent {
if (bytesRead == NO_MORE_DATA) {
if (restoreState.getInputFileDescriptor() != null) {
IoUtils.closeQuietly(restoreState.getInputFileDescriptor().getFileDescriptor());
IoUtils.closeQuietly(restoreState.getInputFileDescriptor());
}
IoUtils.closeQuietly(outputFileDescriptor.getFileDescriptor());
restoreState.setInputFileDescriptor(null);
restoreState.setInputStream(null);
restoreState.setOutputStream(null);
}
IoUtils.closeQuietly(outputFileDescriptor);
}
return bytesRead;
@ -260,7 +259,6 @@ public class ContentProviderRestoreComponent implements RestoreComponent {
Preconditions.checkState(restoreState.getRestoreType() == TYPE_FULL_STREAM);
IoUtils.closeQuietly(restoreState.getInputFileDescriptor());
IoUtils.closeQuietly(restoreState.getOutputStream());
restoreState = null;
}
}

11
app/src/main/java/com/stevesoltys/backup/transport/component/provider/ContentProviderRestoreState.java
View file

@ -3,7 +3,6 @@ package com.stevesoltys.backup.transport.component.provider;
import android.content.pm.PackageInfo;
import android.os.ParcelFileDescriptor;
import java.io.OutputStream;
import java.util.zip.ZipInputStream;
/**
@ -21,8 +20,6 @@ class ContentProviderRestoreState {
private ZipInputStream inputStream;
private OutputStream outputStream;
PackageInfo[] getPackages() {
return packages;
}
@ -47,14 +44,6 @@ class ContentProviderRestoreState {
this.restoreType = restoreType;
}
OutputStream getOutputStream() {
return outputStream;
}
void setOutputStream(OutputStream outputStream) {
this.outputStream = outputStream;
}
ZipInputStream getInputStream() {
return inputStream;
}