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package android.taobao.atlas.startup;
import android.app.ActivityManager;
import android.content.Context;
import android.content.SharedPreferences;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.os.Process;
import android.taobao.atlas.startup.patch.KernalConstants;
import android.taobao.atlas.startup.patch.KernalFileLock;
import android.text.TextUtils;
import android.util.Log;
import android.util.Pair;
import java.io.*;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Set;
/**
* Created by guanjie on 15/9/10.
*/
public class KernalVersionManager {
private static KernalVersionManager sBaseInfoManager;
private final File BASELINEINFO_DIR ;
private final File BASELINEINFO;
private final File BASELINEINFO_NEW;
private String LAST_VERSIONNAME;
private String LAST_UPDATE_BUNDLES;
private String CURRENT_UPDATE_BUNDLES;
private HashMap<String,String> currentUpdateBundles = new HashMap<String,String>();
private HashMap<String,String> currentDexPatchBundles= new HashMap<String,String>();
private boolean isRollback;
public String CURRENT_VERSIONAME;
public long DEXPATCH_VERSION;
public String DEXPATCH_BUNDLES;
public boolean cachePreVersion = false;
public synchronized static KernalVersionManager instance(){
if(sBaseInfoManager==null){
sBaseInfoManager = new KernalVersionManager();
}
return sBaseInfoManager;
}
@Override
public String toString(){
return String.format("%s@%s--%s",LAST_VERSIONNAME,CURRENT_VERSIONAME,LAST_UPDATE_BUNDLES);
}
public void reset(){
LAST_VERSIONNAME = "";
LAST_UPDATE_BUNDLES = "";
CURRENT_VERSIONAME = "";
CURRENT_UPDATE_BUNDLES="";
DEXPATCH_VERSION=0;
DEXPATCH_BUNDLES="";
currentUpdateBundles.clear();
currentDexPatchBundles.clear();
}
private KernalVersionManager(){
BASELINEINFO_DIR = new File(KernalConstants.baseContext.getFilesDir().getAbsolutePath() + File.separatorChar + "bundleBaseline");
BASELINEINFO = new File(BASELINEINFO_DIR,"baselineInfo");
BASELINEINFO_NEW = new File(BASELINEINFO_DIR,"baselineInfo_new");
}
public void init(){
KernalFileLock.getInstance().LockExclusive(BASELINEINFO_DIR);
if(shouldSyncUpdateInThisProcess()){
if(BASELINEINFO_NEW.exists()){
killChildProcesses(KernalConstants.baseContext);
int retry = 3;
do {
if (BASELINEINFO.exists()) {
BASELINEINFO.delete();
}
retry--;
}while(retry>0 && BASELINEINFO.exists());
long length = BASELINEINFO_NEW.length();
retry = 3;
do {
if(BASELINEINFO_NEW.renameTo(BASELINEINFO)){
break;
}
retry--;
}while(retry>0);
if(length != BASELINEINFO.length()){
throw new RuntimeException("rename baselineinfo fail");
}
}
}
KernalFileLock.getInstance().unLock(BASELINEINFO_DIR);
String baselineVersion = "";
String updateBundles = "";
String lastVersionName = "";
String lastUpdateBundles="";
long dexpatchVersion=0;
String dexPatchBundles="";
if(BASELINEINFO.exists()){
try {
/**
* 写入顺序
* 上一次versionname
* 上一次更新内容
* 本次versionname
* 本次更新内容
* dexpatch versionname
* dexpatch 更新内容
* 是否发生了回滚
*/
DataInputStream input = new DataInputStream(new BufferedInputStream(new FileInputStream(BASELINEINFO)));
lastVersionName = input.readUTF();
lastUpdateBundles = input.readUTF();
baselineVersion = input.readUTF();
updateBundles = input.readUTF();
dexpatchVersion = input.readLong();
dexPatchBundles = input.readUTF();
isRollback = input.readBoolean();
cachePreVersion = input.readBoolean();
input.close();
} catch (Throwable e) {
updateMonitor(KernalConstants.DD_BASELINEINFO_FAIL, e==null?"":e.getMessage());
killChildProcesses(KernalConstants.baseContext);
BASELINEINFO.delete();
rollbackHardly();
android.os.Process.killProcess(Process.myPid());
}
}
LAST_VERSIONNAME = lastVersionName;
LAST_UPDATE_BUNDLES = lastUpdateBundles;
CURRENT_VERSIONAME = baselineVersion;
CURRENT_UPDATE_BUNDLES= updateBundles;
DEXPATCH_VERSION = dexpatchVersion;
DEXPATCH_BUNDLES = dexPatchBundles;
parseUpdatedBundles();
}
public void removeBaseLineInfo(){
if(BASELINEINFO_DIR.exists()) {
deleteDirectory(BASELINEINFO_DIR);
}
File bundleupdate = new File(KernalConstants.baseContext.getFilesDir(),"bundleupdate");
if(bundleupdate.exists()) {
deleteDirectory(bundleupdate);
}
}
public void deleteDirectory(final File path) {
final File[] files = path.listFiles();
if (files == null){
return;
}
for (int i = 0; i < files.length; i++) {
if (files[i].isDirectory()) {
deleteDirectory(files[i]);
} else {
files[i].delete();
}
}
path.delete();
}
public String getBaseBundleVersion(String bundleName){
return currentUpdateBundles.get(bundleName);
}
public String getDexPatchBundleVersion(String bundleName){
return currentDexPatchBundles.get(bundleName);
}
public Set<String> getUpdateBundles(){
return currentUpdateBundles.keySet();
}
public String lastVersionName(){
return LAST_VERSIONNAME;
}
public String currentVersionName(){
return CURRENT_VERSIONAME;
}
public boolean isCachePreVersion(){
boolean flag = Boolean.FALSE.booleanValue();
if(flag) {
Log.e("KernalVersionManager", "can no be inlined");
}
return cachePreVersion;
}
//dexpatched
public boolean isDexPatched(String bundleName){
if(dexPatchVersion()>0 && !TextUtils.isEmpty(getDexPatchBundleVersion(bundleName))){
return true;
}else{
return false;
}
}
//被dexpatch过或者动态部署过
public boolean isChanged(String bundleName){
if(dexPatchVersion()>0 && !TextUtils.isEmpty(getDexPatchBundleVersion(bundleName))){
return true;
}else{
if(!TextUtils.isEmpty(getBaseBundleVersion(bundleName))){
return true;
}
}
return false;
}
public long dexPatchVersion(){
return DEXPATCH_VERSION;
}
public synchronized void parseUpdatedBundles(){
if(CURRENT_UPDATE_BUNDLES!=null){
String[] bundles = CURRENT_UPDATE_BUNDLES.split(";");
if(bundles!=null && bundles.length>0){
List<String> bundleNameList = new ArrayList<String>(bundles.length);
for(String bundleInfo : bundles){
String[] infoItems = bundleInfo.split("@");
if(infoItems!=null && infoItems[0]!=null){
bundleNameList.add(infoItems[0]);
}
if(infoItems.length>2){
currentUpdateBundles.put(infoItems[0],infoItems[1]+"@"+infoItems[2]);
}
}
}
}
if(DEXPATCH_BUNDLES!=null){
String[] bundles = DEXPATCH_BUNDLES.split(";");
if(bundles!=null && bundles.length>0){
List<String> bundleNameList = new ArrayList<String>(bundles.length);
for(String bundleInfo : bundles){
String[] infoItems = bundleInfo.split("@");
if(infoItems!=null && infoItems[0]!=null){
bundleNameList.add(infoItems[0]);
}
if(infoItems.length>2){
currentDexPatchBundles.put(infoItems[0],infoItems[1]+"@"+infoItems[2]);
}
}
}
}
}
public void rollbackHardly(){
try {
File baseLineDir = BASELINEINFO_DIR;
if (!baseLineDir.exists()) {
baseLineDir.mkdirs();
}
File deprecated = new File(baseLineDir, "deprecated_mark");
if(!deprecated.exists()) {
deprecated.createNewFile();
}
File file = BASELINEINFO;
if(file.exists()){
file.delete();
}
}catch(Exception e){
}
}
public void rollback(boolean dexPatch){
File baseinfoDir = new File(BASELINEINFO_DIR.getAbsolutePath());
if (!baseinfoDir.exists()) {
baseinfoDir.mkdir();
}
try {
/**
* 写入顺序
* 上一次versionname
* 上一次更新内容
* 本次versionname
* 本次更新内容
* dexpatch versionname
* dexpatch 更新内容
* 是否发生了回滚
*/
DataOutputStream out = new DataOutputStream(new BufferedOutputStream(new FileOutputStream(new File(baseinfoDir.getAbsolutePath(), "baselineInfo"))));
if(dexPatch){
out.writeUTF(LAST_VERSIONNAME);
out.writeUTF(LAST_UPDATE_BUNDLES);
out.writeUTF(CURRENT_VERSIONAME);
out.writeUTF(CURRENT_UPDATE_BUNDLES);
out.writeLong(0);
out.writeUTF("");
out.writeBoolean(true);
out.flush();
out.close();
}else {
out.writeUTF("");
out.writeUTF("");
if(cachePreVersion){
out.writeUTF(LAST_VERSIONNAME);
out.writeUTF(LAST_UPDATE_BUNDLES);
}else {
out.writeUTF("");
out.writeUTF("");
}
out.writeLong(0);
out.writeUTF("");
out.writeBoolean(true);
out.flush();
out.close();
}
} catch (Throwable e) {
e.printStackTrace();
rollbackHardly();
}
}
public void saveBaselineInfo(String newBaselineVersion, List<Pair<String,String>> infos, boolean dexPatch,boolean cachePreVersion) throws IOException{
StringBuilder bundleList = new StringBuilder("");
List<Pair<String,String>> bundleUpdateList = infos;
for(Pair<String,String> info:bundleUpdateList){
bundleList.append(info.first);
bundleList.append("@");
bundleList.append(info.second);
bundleList.append(";");
}
File baseinfoFile = BASELINEINFO_DIR;
if(!baseinfoFile.exists()){
baseinfoFile.mkdirs();
}
File newBaselineInfoFile = new File(BASELINEINFO_NEW.getAbsolutePath());
if(!newBaselineInfoFile.exists()){
newBaselineInfoFile.createNewFile();
}
DataOutputStream out = new DataOutputStream(new BufferedOutputStream(new FileOutputStream(new File(newBaselineInfoFile.getAbsolutePath()))));
PackageInfo info = null;
// 获取当前的版本号
try {
PackageManager packageManager = KernalConstants.baseContext.getPackageManager();
info = packageManager.getPackageInfo(KernalConstants.baseContext.getPackageName(), 0);
} catch (Exception e) {
// 不可能发生
info = new PackageInfo();
info.versionName = "";
info.versionCode = 1;
} String bundleListStr = bundleList.toString();
/**
* 写入顺序
* 上一次versionname
* 上一次更新内容
* 本次versionname
* 本次更新内容
* dexpatch versionname
* dexpatch 更新内容
* 是否发生了回滚
*/
if(!dexPatch) {
out.writeUTF(!TextUtils.isEmpty(LAST_VERSIONNAME) ? LAST_VERSIONNAME : info.versionName);
if(cachePreVersion) {
out.writeUTF(LAST_UPDATE_BUNDLES != null ? LAST_UPDATE_BUNDLES : "");
}else{
out.writeUTF("");
}
out.writeUTF(newBaselineVersion != null ? newBaselineVersion : info.versionName);
out.writeUTF(bundleListStr);
//dexpatch 部分
out.writeLong(0);
out.writeUTF("");
out.writeBoolean(false);
out.writeBoolean(cachePreVersion);
}else{
out.writeUTF(!TextUtils.isEmpty(LAST_VERSIONNAME) ? LAST_VERSIONNAME : info.versionName);
out.writeUTF(!TextUtils.isEmpty(CURRENT_UPDATE_BUNDLES) ? CURRENT_UPDATE_BUNDLES : "");
out.writeUTF(!TextUtils.isEmpty(CURRENT_VERSIONAME) ? CURRENT_VERSIONAME :"");
out.writeUTF(!TextUtils.isEmpty(CURRENT_UPDATE_BUNDLES) ? CURRENT_UPDATE_BUNDLES:"");
//dexpatch 部分
out.writeLong(Long.parseLong(newBaselineVersion));
out.writeUTF(bundleListStr);
out.writeBoolean(false);
out.writeBoolean(cachePreVersion);
}
out.flush();
out.close();
}
private boolean shouldSyncUpdateInThisProcess(){
String processName = KernalConstants.PROCESS;
if(processName!=null &&
(processName.equals(KernalConstants.baseContext.getPackageName()) ||
processName.toLowerCase().contains(":safemode")
)){
return true;
}else{
return false;
}
}
public void killChildProcesses(Context context) {
try {
long uid = context.getApplicationInfo().uid;
ActivityManager am = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
List<ActivityManager.RunningAppProcessInfo> a = am.getRunningAppProcesses();
for (int i = 0; i < a.size(); i++) {
ActivityManager.RunningAppProcessInfo b = a.get(i);
if(b.uid == uid && !b.processName.equals(context.getPackageName())){
android.os.Process.killProcess(b.pid);
}
}
} catch (Exception e) {
}
}
private void updateMonitor(String stage, String detail) {
SharedPreferences sharedPreferences = KernalConstants.baseContext.getSharedPreferences(KernalConstants.ATLAS_MONITOR, Context.MODE_PRIVATE);
SharedPreferences.Editor editor = sharedPreferences.edit();
editor.putString(stage, detail).commit();
}
}