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package android.taobao.atlas.framework;
import android.taobao.atlas.bundleInfo.AtlasBundleInfoManager;
import android.taobao.atlas.framework.bundlestorage.Archive;
import android.taobao.atlas.framework.bundlestorage.BundleArchive;
import android.taobao.atlas.framework.bundlestorage.BundleArchiveRevision;
import android.taobao.atlas.runtime.RuntimeVariables;
import android.taobao.atlas.runtime.newcomponent.AdditionalPackageManager;
import android.taobao.atlas.runtime.DelegateResources;
import android.taobao.atlas.util.FileUtils;
import android.taobao.atlas.util.log.impl.AtlasMonitor;
import android.taobao.atlas.versionInfo.BaselineInfoManager;
import android.util.Log;
import org.osgi.framework.Bundle;
import org.osgi.framework.BundleEvent;
import org.osgi.framework.BundleException;
import org.osgi.framework.BundleListener;
import org.osgi.framework.FrameworkEvent;
import org.osgi.framework.FrameworkListener;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.security.ProtectionDomain;
import java.util.ArrayList;
import java.util.Dictionary;
import java.util.Hashtable;
import java.util.List;
import java.util.SortedMap;
public final class BundleImpl implements Bundle {
final static String UPDATED_MARK="markUpdated";
/**
* the bundle location.
*/
final String location;
/**
* the storage location.
*/
final File bundleDir;
/**
* the bundle revision.
*/
long revisionNUM = 0;
long dexPatchVersion = 0;
/**
* the bundle archive file.
*/
Archive archive;
/**
* the bundle state.
*/
int state;
/**
* the headers from the manifest.
*/
Hashtable<String, String> headers;
/**
* the bundle classloader.
*/
BundleClassLoader classloader;
/**
* the bundle context.
*/
private final BundleContext context;
/**
* the protection domain of this bundle.
*/
ProtectionDomain domain = null;
/**
* List of framework listeners registered by this bundle. Is initialized in a lazy way.
*/
List<FrameworkListener> registeredFrameworkListeners = null;
/**
* List of bundle listeners registered by this bundle. Is initialized in a lazy way.
*/
List<BundleListener> registeredBundleListeners = null;
AdditionalPackageManager packageManager = null;
boolean updated = false;
boolean disabled = false;
/**
* create a new bundle object from InputStream. This is used when a new bundle is installed.
*
* @param location the bundle location.
* @param stream the input stream.
* @throws BundleException if something goes wrong.
* @throws IOException
*/
BundleImpl(final File bundleDir, final String location, final BundleContext context, final InputStream stream,
final File file, String version, boolean autoload, long dexPatchVersion) throws BundleException, IOException{
long start = System.currentTimeMillis();
this.location = location;
context.bundle = this;
this.context = context;
this.bundleDir = bundleDir;
Framework.notifyBundleListeners(BundleEvent.BEFORE_INSTALL, this);
if (stream != null) {
this.archive = new BundleArchive(location,bundleDir, stream,version, dexPatchVersion);
} else if (file != null) {
this.archive = new BundleArchive(location,bundleDir, file,version, dexPatchVersion);
}
if(dexPatchVersion>0) {
dexPatchVersion = archive.getCurrentRevision().getRevisionNum();
}else{
revisionNUM = archive.getCurrentRevision().getRevisionNum();
}
this.state = INSTALLED;
updateMetadata();
if (autoload) {
resolveBundle();
Framework.bundles.put(location, this);
// notify the listeners
Framework.notifyBundleListeners(BundleEvent.INSTALLED, this);
}
if (Framework.DEBUG_BUNDLES) {
Log.i("Framework","Bundle " + toString() + " created. " + (System.currentTimeMillis() - start) + " ms");
}
}
/**
* Create a new bundle object from a storage location. Used after framework restarts.
*
* @param bundleDir the bundle's directory on the storage.
* @param bcontext the bundle context.
* @throws Exception if something goes wrong.
*/
BundleImpl(final File bundleDir, final BundleContext bcontext) throws Exception{
long start = System.currentTimeMillis();
final File metafile = new File(bundleDir, "meta");
DataInputStream in = new DataInputStream(new FileInputStream(metafile));
this.location = in.readUTF();
this.revisionNUM = in.readLong();
in.close();
Framework.notifyBundleListeners(BundleEvent.BEFORE_INSTALL, this);
bcontext.bundle = this;
this.context = bcontext;
this.bundleDir = bundleDir;
this.state = Bundle.INSTALLED;
try {
if(bcontext.dexPatchVersion>0){
dexPatchVersion = bcontext.dexPatchVersion;
this.archive = new BundleArchive(location, bundleDir, 0,dexPatchVersion);
}else {
if (Framework.shouldSyncUpdateInThisProcess()) {
this.archive = new BundleArchive(location, bundleDir, 0,-1);
if (revisionNUM != archive.getCurrentRevision().getRevisionNum()) {
this.revisionNUM = archive.getCurrentRevision().getRevisionNum();
updateMetadata();
}
} else {
if (revisionNUM != 0) {
this.archive = new BundleArchive(location, bundleDir, revisionNUM,-1);
} else {
throw new BundleException("Could not load bundle becuase of wrong revisionNUM");
}
}
}
} catch (Exception e) {
if(e instanceof BundleArchive.MisMatchException){
this.archive = null;
BaselineInfoManager.instance().rollbackHardly();
AtlasMonitor.getInstance().trace(AtlasMonitor.DD_BUNDLE_MISMATCH,
false, "0", e==null?"":e.getMessage(), "");
throw e;
}else {
throw new BundleException("Could not load bundle " + location, e.getCause());
}
}
resolveBundle();
Framework.bundles.put(location, this);
// notify the listeners
Framework.notifyBundleListeners(BundleEvent.INSTALLED, this);
if (Framework.DEBUG_BUNDLES) {
Log.i("Framework"," Bundle " + toString() + " loaded. " + (System.currentTimeMillis() - start) + " ms");
}
}
private synchronized void resolveBundle() throws BundleException {
if (this.archive == null) {
throw new BundleException("Not a valid bundle: " + location);
}
if (this.state == RESOLVED){
return;
}
if ( this.classloader == null){
// create the bundle classloader
List<String> dependencies = AtlasBundleInfoManager.instance().getDependencyForBundle(location);
String nativeLibDir = getArchive().getCurrentRevision().getRevisionDir().getAbsolutePath()+"/lib"+":"
+ RuntimeVariables.androidApplication.getApplicationInfo().nativeLibraryDir+":"
+System.getProperty("java.library.path");
if(dependencies!=null) {
for (String str : dependencies) {
BundleImpl impl = (BundleImpl) Atlas.getInstance().getBundle(str);
if (impl != null) {
nativeLibDir += ":";
File dependencyLibDir = new File(impl.getArchive().getCurrentRevision().getRevisionDir(), "lib");
nativeLibDir += dependencyLibDir;
}
}
}
this.classloader = new BundleClassLoader(this,dependencies,nativeLibDir);
}
state = RESOLVED;
// notify the listeners
Framework.notifyBundleListeners(0 /*LOADED*/, this);
}
/**
* get the bundle id.
*
* @return the bundle id.
* @see org.osgi.framework.Bundle#getBundleId()
* @category Bundle
*/
public long getBundleId() {
return 0;
}
/**
* get the manifest headers.
*
* @return the Dictionary of the headers.
* @see org.osgi.framework.Bundle#getHeaders()
* @category Bundle
*/
public Dictionary<String, String> getHeaders() {
return headers;
}
/**
* get the bundle location.
*
* @return the bundle location.
* @see org.osgi.framework.Bundle#getLocation()
* @category Bundle
*/
public String getLocation() {
return location;
}
public Archive getArchive() {
return archive;
}
public ClassLoader getClassLoader() {
return classloader;
}
/**
* get a resource.
*
* @param name the name of the resource.
* @return the URL.
* @see org.osgi.framework.Bundle#getResource(java.lang.String)
* @category Bundle
*/
public URL getResource(final String name) {
if (state == UNINSTALLED) {
throw new IllegalStateException("Bundle " + toString() + " has been uninstalled");
}
return classloader.getResource(name);
}
/**
* get the state of the bundle.
*
* @return the state.
* @see org.osgi.framework.Bundle#getState()
* @category Bundle
*/
public int getState() {
return state;
}
/**
* check if the bundle has a certain permission.
*
* @param permission the permission object
* @return true if the bundle has the permission.
* @see org.osgi.framework.Bundle#hasPermission(java.lang.Object)
* @category Bundle
*/
public boolean hasPermission(final Object permission) {
if (state == UNINSTALLED) {
throw new IllegalStateException("Bundle " + toString() + "has been unregistered.");
}
return true;
}
/**
* start the bundle.
*
* @throws BundleException if the bundle cannot be resolved or the Activator throws an exception.
* @see org.osgi.framework.Bundle#start()
* @category Bundle
*/
public void start() throws BundleException {
startBundle();
}
@Override
public void stop() throws BundleException {
if (state == UNINSTALLED) {
throw new IllegalStateException("Cannot stop uninstalled bundle " + toString());
}
if (state != ACTIVE) {
return;
}
state = STOPPING;
try {
if (Framework.DEBUG_BUNDLES) {
Log.i("Framework","Bundle " + toString() + " stopped.");
}
} catch (Throwable t) {
throw new BundleException("Error stopping bundle " + toString(), t);
} finally {
Framework.clearBundleTrace(this);
state = RESOLVED;
Framework.notifyBundleListeners(BundleEvent.STOPPED, this);
context.isValid = false;
}
}
/**
* the actual starting happens here. This method does not modify the persistent metadata.
*
* @throws BundleException if the bundle cannot be resolved or the Activator throws an exception.
*/
public synchronized void startBundle() {
if (state == UNINSTALLED) {
throw new IllegalStateException("Cannot start uninstalled bundle " + toString());
}
if (state == ACTIVE) {
return;
}
if (state == INSTALLED) {
throw new RuntimeException("can not start bundle which is not resolved");
}
state = STARTING;
context.isValid = true;
Framework.notifyBundleListeners(BundleEvent.BEFORE_STARTED, this);
Framework.notifyBundleListeners(BundleEvent.STARTED, this);
if (Framework.DEBUG_BUNDLES) {
Log.i("Framework","Bundle " + toString() + " started.");
}
}
public void setActive(){
state = ACTIVE;
}
public boolean checkValidate(){
boolean result = true;
//check class
if(classloader!=null){
long time = System.currentTimeMillis();
result = classloader.validateClasses();
if(!result){
return false;
}
if(!checkResources()){
return false;
}
}
return true;
}
public boolean checkResources(){
if(!DelegateResources.checkAsset(getArchive().getArchiveFile().getAbsolutePath())){
return false;
}
List<String> dependencies = AtlasBundleInfoManager.instance().getBundleInfo(location).getTotalDependency();
for(String bundleName : dependencies){
BundleImpl dependencyBundle = (BundleImpl)Atlas.getInstance().getBundle(bundleName);
if(dependencyBundle==null || dependencyBundle.getArchive()==null ||
!DelegateResources.checkAsset(dependencyBundle.getArchive().getArchiveFile().getAbsolutePath())){
return false;
}
}
// if(classloader.dependencies!=null){
// for(String bundle : classloader.dependencies){
// BundleImpl impl = (BundleImpl)Atlas.getInstance().getBundle(bundle);
// if(impl==null || !impl.checkResources()){
// return false;
// }
// }
// }
return true;
}
public boolean isDisabled(){
return disabled;
}
/**
* uninstall the bundle.
*
* @throws BundleException if bundle is already uninstalled
* @see org.osgi.framework.Bundle#uninstall()
* @category Bundle
*/
public synchronized void uninstall() throws BundleException {
if (state == UNINSTALLED) {
throw new IllegalStateException("Bundle " + toString() + " is already uninstalled.");
}
if (state == ACTIVE) {
try {
stop();
} catch (Throwable t) {
Framework.notifyFrameworkListeners(FrameworkEvent.ERROR, this, t);
}
}
state = UNINSTALLED;
File metaFile = new File(bundleDir, "meta");
metaFile.delete();
classloader.cleanup(true);
classloader = null;
Framework.bundles.remove(getLocation());
Framework.notifyBundleListeners(BundleEvent.UNINSTALLED, this);
context.isValid = false;
context.bundle = null;
}
/**
* update the bundle from its update location or the location from where it was originally installed.
*
* @throws BundleException if something goes wrong.
* @see org.osgi.framework.Bundle#update()
* @category Bundle
*/
// public synchronized void update() throws BundleException {
// final String updateLocation = (String) headers.get(Constants.BUNDLE_UPDATELOCATION);
// try {
// update(new URL(updateLocation == null ? location : updateLocation).openConnection().getInputStream());
// markBundleUpdated((BundleArchive)archive);
// } catch (IOException ioe) {
// throw new BundleException("Could not update " + toString() + " from " + updateLocation, ioe);
// }
// }
/**
* update the bundle from an input stream.
*
* @param stream the stream.
* @throws BundleException if something goes wrong.
* @see org.osgi.framework.Bundle#update(java.io.InputStream)
* @category Bundle
*/
// public synchronized void update(final InputStream stream) throws BundleException {
//
// if (state == UNINSTALLED) {
// throw new IllegalStateException("Cannot update uninstalled bundle " + toString());
// }
//
// try {
// archive.newRevision(location, bundleDir, stream);
// markBundleUpdated((BundleArchive)archive);
// } catch (Exception e) {
// throw new BundleException("Could not update bundle " + toString(), e);
// }
// }
/**
* update the bundle from an input stream.
*
* @param file the revision file.
* @throws BundleException if something goes wrong.
* @category Bundle
*/
@Override
public synchronized void update(final File file,String version,long dexPatchVersion) throws BundleException {
if (state == UNINSTALLED) {
throw new IllegalStateException("Cannot update uninstalled bundle " + toString());
}
try {
archive.newRevision(location, bundleDir, file,version,dexPatchVersion);
markBundleUpdated((BundleArchive)archive);
} catch (Exception e) {
throw new BundleException("Could not update bundle " + toString(), e);
}
}
private void markBundleUpdated(BundleArchive arc){
if(arc!=null&&arc.getBundleArchiveRevisions()!=null&&arc.getBundleArchiveRevisions().size()>0){
SortedMap<Long, BundleArchiveRevision> map=arc.getBundleArchiveRevisions();
BundleArchiveRevision bar=map.get(map.lastKey());
if(bar!=null){
FileUtils.createNewDirIfNotExist(bar.getRevisionDir(),UPDATED_MARK);
}
}
}
// public synchronized void refresh() throws BundleException {
// if (state == UNINSTALLED) {
// throw new IllegalStateException("Cannot refresh uninstalled bundle " + toString());
// }
// boolean wasActive = false;
// if (state == ACTIVE) {
// // so we have to restart it after update
// wasActive = true;
// stopBundle();
// }
//
// try {
// this.archive = new BundleArchive(location,bundleDir);
//
// BundleClassLoader updated = new BundleClassLoader(this);
//
// // did the original bundle export packages ?
// final String[] exports = classloader.exports;
//
// if (exports.length > 0) {
// // are some of them in use ?
// boolean inUse = false;
// for (int i = 0; i < exports.length; i++) {
// final Package p = (Package) Framework.exportedPackages.get(new Package(exports[i], null, false));
// if (p.importingBundles != null) {
// if (p.classloader == classloader) {
// // set removal pending for this package, since the
// // exporting bundle is going to be updates
// p.removalPending = true;
// inUse = true;
// }
// }
// }
//
// if (inUse) {
// // did the last version already have an older version
// // exporting the packages ?
// if (classloader.originalExporter != null) {
// updated.originalExporter = classloader.originalExporter;
// } else {
// // so the last version exported
// updated.originalExporter = classloader;
// }
// }
// }
//
// classloader.cleanup(true);
// // exchange the classloaders
// classloader = updated;
//
// if (classloader.resolveBundle(false, null)) {
// state = RESOLVED;
// } else {
// state = INSTALLED;
// }
// Framework.notifyBundleListeners(BundleEvent.UPDATED, this);
// if (wasActive) {
// // restart it
// startBundle();
// }
// // if (!Framework.frameworkStartupShutdown) {
// // updateMetadata();
// // }
//
// } catch (BundleException be) {
// throw be;
// } catch (Exception e) {
// throw new BundleException("Could not refresh bundle " + toString(), e);
// }
// }
public synchronized void optDexFile() {
this.getArchive().optDexFile();
}
/**
* rollback the bundle for updated.
*/
public synchronized void purge() throws BundleException{
try {
this.getArchive().purge();
} catch (Exception e) {
throw new BundleException("Could not purge bundle " + toString(), e);
}
}
/**
* update the bundle's metadata on the storage.
*/
void updateMetadata() {
File file = new File(bundleDir, "meta");
DataOutputStream out = null;
try {
if (!file.getParentFile().exists()) {
file.getParentFile().mkdirs();
}
FileOutputStream fos = new FileOutputStream(file);
out = new DataOutputStream(fos);
out.writeUTF(location);
if(revisionNUM>0) {
out.writeLong(revisionNUM);
}
out.flush();
} catch (IOException e) {
Log.e("Framework","Could not save meta data " + file.getAbsolutePath(), e);
} finally {
if (out != null) {
try {
out.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
public boolean isUpdated(){
return getArchive().isUpdated();
}
public boolean isDexPatch(){
return dexPatchVersion>0;
}
/**
* get a string representation of the bundle.
*
* @return the string.
* @category Object
*/
public String toString() {
return location;
}
}