获取Log到指定文件目录下

import java.io.BufferedReader;import java.io.File;import java.io.FileInputStream;import java.io.FileOutputStream;import java.io.IOException;import java.io.InputStream;import java.io.InputStreamReader;import java.io.OutputStreamWriter;import java.text.ParseException;import java.text.SimpleDateFormat;import java.util.ArrayList;import java.util.Arrays;import java.util.Calendar;import java.util.Comparator;import java.util.Date;import java.util.List;import android.app.AlarmManager;import android.app.PendingIntent;import android.app.Service;import android.content.BroadcastReceiver;import android.content.Context;import android.content.Intent;import android.content.IntentFilter;import android.os.Environment;import android.os.IBinder;import android.os.PowerManager;import android.os.PowerManager.WakeLock;import android.util.Log;public class LogService extends Service {private static final String TAG = "LogService";private static final int MEMORY_LOG_FILE_MAX_SIZE = 10 * 1024 * 1024; // 内存中日志文件最大值，10Mprivate static final int MEMORY_LOG_FILE_MONITOR_INTERVAL = 10 * 60 * 1000; // 内存中的日志文件大小监控时间间隔，10分钟private static final int SDCARD_LOG_FILE_SAVE_DAYS = 7; // sd卡中日志文件的最多保存天数private String LOG_PATH_MEMORY_DIR; // 日志文件在内存中的路径(日志文件在安装目录中的路径)private String LOG_PATH_SDCARD_DIR; // 日志文件在sdcard中的路径@SuppressWarnings("unused")private String LOG_SERVICE_LOG_PATH; // 本服务产生的日志，记录日志服务开启失败信息private final int SDCARD_TYPE = 0; // 当前的日志记录类型为存储在SD卡下面private final int MEMORY_TYPE = 1; // 当前的日志记录类型为存储在内存中private int CURR_LOG_TYPE = SDCARD_TYPE; // 当前的日志记录类型private String CURR_INSTALL_LOG_NAME; // 如果当前的日志写在内存中，记录当前的日志文件名称private String logServiceLogName = "Log.log";// 本服务输出的日志文件名称private SimpleDateFormat myLogSdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");private OutputStreamWriter writer;private SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HHmmss");// 日志名称格式private Process process;private WakeLock wakeLock;private SDStateMonitorReceiver sdStateReceiver; // SDcard状态监测private LogTaskReceiver logTaskReceiver;private boolean logSizeMoniting = false;private static String MONITOR_LOG_SIZE_ACTION = "MONITOR_LOG_SIZE"; // 日志文件监测actionprivate static String SWITCH_LOG_FILE_ACTION = "SWITCH_LOG_FILE_ACTION"; // 切换日志文件[email protected] IBinder onBind(Intent intent){return null;}@Overridepublic void onCreate(){super.onCreate();init();register();deploySwitchLogFileTask();new LogCollectorThread().start();}private void init(){LOG_PATH_MEMORY_DIR = getFilesDir().getAbsolutePath() + File.separator+ "log";LOG_SERVICE_LOG_PATH = LOG_PATH_MEMORY_DIR + File.separator+ logServiceLogName;LOG_PATH_SDCARD_DIR = Environment.getExternalStorageDirectory().getAbsolutePath()+ File.separator+ "MyApp"+ File.separator+ "log";createLogDir();PowerManager pm = (PowerManager) getApplicationContext().getSystemService(Context.POWER_SERVICE);wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, TAG);CURR_LOG_TYPE = getCurrLogType();Log.i(TAG, "LogService onCreate");}private void register(){IntentFilter sdCarMonitorFilter = new IntentFilter();sdCarMonitorFilter.addAction(Intent.ACTION_MEDIA_MOUNTED);sdCarMonitorFilter.addAction(Intent.ACTION_MEDIA_UNMOUNTED);sdCarMonitorFilter.addDataScheme("file");sdStateReceiver = new SDStateMonitorReceiver();registerReceiver(sdStateReceiver, sdCarMonitorFilter);IntentFilter logTaskFilter = new IntentFilter();logTaskFilter.addAction(MONITOR_LOG_SIZE_ACTION);logTaskFilter.addAction(SWITCH_LOG_FILE_ACTION);logTaskReceiver = new LogTaskReceiver();registerReceiver(logTaskReceiver, logTaskFilter);}public int getCurrLogType(){if (!Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)){return MEMORY_TYPE;} else{return SDCARD_TYPE;}}private void deploySwitchLogFileTask(){Intent intent = new Intent(SWITCH_LOG_FILE_ACTION);PendingIntent sender = PendingIntent.getBroadcast(this, 0, intent, 0);Calendar calendar = Calendar.getInstance();calendar.add(Calendar.DAY_OF_MONTH, 1);calendar.set(Calendar.HOUR_OF_DAY, 0);calendar.set(Calendar.MINUTE, 0);calendar.set(Calendar.SECOND, 0);// 部署任务AlarmManager am = (AlarmManager) getSystemService(ALARM_SERVICE);am.setRepeating(AlarmManager.RTC_WAKEUP, calendar.getTimeInMillis(),AlarmManager.INTERVAL_DAY, sender);recordLogServiceLog("deployNextTask succ,next task time is:"+ myLogSdf.format(calendar.getTime()));}class LogCollectorThread extends Thread {public LogCollectorThread() {super("LogCollectorThread");Log.d(TAG, "LogCollectorThread is create");}@Overridepublic void run(){try{wakeLock.acquire(); // 唤醒手机clearLogCache();List orgProcessList = getAllProcess();List processInfoList = getProcessInfoList(orgProcessList);killLogcatProc(processInfoList);createLogCollector();Thread.sleep(1000);// 休眠，创建文件，然后处理文件，不然该文件还没创建，会影响文件删除handleLog();wakeLock.release(); // 释放} catch (Exception e){e.printStackTrace();recordLogServiceLog(Log.getStackTraceString(e));}}}private void clearLogCache(){Process proc = null;List commandList = new ArrayList();commandList.add("logcat");commandList.add("-c");try{proc = Runtime.getRuntime().exec(commandList.toArray(new String[commandList.size()]));StreamConsumer errorGobbler = new StreamConsumer(proc.getErrorStream());StreamConsumer outputGobbler = new StreamConsumer(proc.getInputStream());errorGobbler.start();outputGobbler.start();if (proc.waitFor() != 0){Log.e(TAG, " clearLogCache proc.waitFor() != 0");recordLogServiceLog("clearLogCache clearLogCache proc.waitFor() != 0");}} catch (Exception e){Log.e(TAG, "clearLogCache failed", e);recordLogServiceLog("clearLogCache failed");} finally{try{proc.destroy();} catch (Exception e){Log.e(TAG, "clearLogCache failed", e);recordLogServiceLog("clearLogCache failed");}}}private void killLogcatProc(List allProcList){if (process != null){process.destroy();}String packName = this.getPackageName();String myUser = getAppUser(packName, allProcList);for (ProcessInfo processInfo : allProcList){if (processInfo.name.toLowerCase().equals("logcat")&& processInfo.user.equals(myUser)){android.os.Process.killProcess(Integer.parseInt(processInfo.pid));// recordLogServiceLog("kill another logcat process success,the process info is:"// + processInfo);}}}private String getAppUser(String packName, List allProcList){for (ProcessInfo processInfo : allProcList){if (processInfo.name.equals(packName)){return processInfo.user;}}return null;}private List getProcessInfoList(List orgProcessList){List procInfoList = new ArrayList();for (int i = 1; i < orgProcessList.size(); i++){String processInfo = orgProcessList.get(i);String[] proStr = processInfo.split(" ");// USER PID PPID VSIZE RSS WCHAN PC NAME// root 1 0 416 300 c00d4b28 0000cd5c S /initList orgInfo = new ArrayList();for (String str : proStr){if (!"".equals(str)){orgInfo.add(str);}}if (orgInfo.size() == 9){ProcessInfo pInfo = new ProcessInfo();pInfo.user = orgInfo.get(0);pInfo.pid = orgInfo.get(1);pInfo.ppid = orgInfo.get(2);pInfo.name = orgInfo.get(8);procInfoList.add(pInfo);}}return procInfoList;}private List getAllProcess(){List orgProcList = new ArrayList();Process proc = null;try{proc = Runtime.getRuntime().exec("ps");StreamConsumer errorConsumer = new StreamConsumer(proc.getErrorStream());StreamConsumer outputConsumer = new StreamConsumer(proc.getInputStream(), orgProcList);errorConsumer.start();outputConsumer.start();if (proc.waitFor() != 0){Log.e(TAG, "getAllProcess proc.waitFor() != 0");recordLogServiceLog("getAllProcess proc.waitFor() != 0");}} catch (Exception e){Log.e(TAG, "getAllProcess failed", e);recordLogServiceLog("getAllProcess failed");} finally{try{proc.destroy();} catch (Exception e){Log.e(TAG, "getAllProcess failed", e);recordLogServiceLog("getAllProcess failed");}}return orgProcList;}public void createLogCollector(){String logFileName = sdf.format(new Date()) + ".log";// 日志文件名称List commandList = new ArrayList();commandList.add("logcat");commandList.add("-f");// commandList.add(LOG_PATH_INSTALL_DIR + File.separator + logFileName);commandList.add(getLogPath());commandList.add("-v");commandList.add("time");commandList.add("*:I");// commandList.add("*:E");// 过滤所有的错误信息// 过滤指定TAG的信息// commandList.add("MyAPP:V");// commandList.add("*:S");try{process = Runtime.getRuntime().exec(commandList.toArray(new String[commandList.size()]));recordLogServiceLog("start collecting the log,and log name is:"+ logFileName);// process.waitFor();} catch (Exception e){Log.e(TAG, "CollectorThread == >" + e.getMessage(), e);recordLogServiceLog("CollectorThread == >" + e.getMessage());}}public String getLogPath(){createLogDir();String logFileName = sdf.format(new Date()) + ".log";// 日志文件名称if (CURR_LOG_TYPE == MEMORY_TYPE){CURR_INSTALL_LOG_NAME = logFileName;Log.d(TAG, "Log stored in memory, the path is:"+ LOG_PATH_MEMORY_DIR + File.separator + logFileName);return LOG_PATH_MEMORY_DIR + File.separator + logFileName;} else{CURR_INSTALL_LOG_NAME = null;Log.d(TAG, "Log stored in SDcard, the path is:"+ LOG_PATH_SDCARD_DIR + File.separator + logFileName);return LOG_PATH_SDCARD_DIR + File.separator + logFileName;}}public void handleLog(){if (CURR_LOG_TYPE == MEMORY_TYPE){deployLogSizeMonitorTask();deleteMemoryExpiredLog();} else{moveLogfile();cancelLogSizeMonitorTask();deleteSDcardExpiredLog();}}private void deployLogSizeMonitorTask(){if (logSizeMoniting){ // 如果当前正在监控着，则不需要继续部署return;}logSizeMoniting = true;Intent intent = new Intent(MONITOR_LOG_SIZE_ACTION);PendingIntent sender = PendingIntent.getBroadcast(this, 0, intent, 0);AlarmManager am = (AlarmManager) getSystemService(ALARM_SERVICE);am.setRepeating(AlarmManager.RTC_WAKEUP, System.currentTimeMillis(),MEMORY_LOG_FILE_MONITOR_INTERVAL, sender);Log.d(TAG, "deployLogSizeMonitorTask() succ !");// recordLogServiceLog("deployLogSizeMonitorTask() succ ,start time is "// + calendar.getTime().toLocaleString());}private void cancelLogSizeMonitorTask(){logSizeMoniting = false;AlarmManager am = (AlarmManager) getSystemService(ALARM_SERVICE);Intent intent = new Intent(MONITOR_LOG_SIZE_ACTION);PendingIntent sender = PendingIntent.getBroadcast(this, 0, intent, 0);am.cancel(sender);Log.d(TAG, "canelLogSizeMonitorTask() succ");}private void checkLogSize(){if (CURR_INSTALL_LOG_NAME != null && !"".equals(CURR_INSTALL_LOG_NAME)){String path = LOG_PATH_MEMORY_DIR + File.separator+ CURR_INSTALL_LOG_NAME;File file = new File(path);if (!file.exists()){return;}Log.d(TAG, "checkLog() ==> The size of the log is too big?");if (file.length() >= MEMORY_LOG_FILE_MAX_SIZE){Log.d(TAG, "The log's size is too big!");new LogCollectorThread().start();}}}private void createLogDir(){File file = new File(LOG_PATH_MEMORY_DIR);boolean mkOk;if (!file.isDirectory()){mkOk = file.mkdirs();if (!mkOk){mkOk = file.mkdirs();}}if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)){file = new File(LOG_PATH_SDCARD_DIR);if (!file.isDirectory()){mkOk = file.mkdirs();if (!mkOk){recordLogServiceLog("move file failed,dir is not created succ");return;}}}}private void moveLogfile(){if (!Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)){// recordLogServiceLog("move file failed, sd card does not mount");return;}File file = new File(LOG_PATH_SDCARD_DIR);if (!file.isDirectory()){boolean mkOk = file.mkdirs();if (!mkOk){// recordLogServiceLog("move file failed,dir is not created succ");return;}}file = new File(LOG_PATH_MEMORY_DIR);if (file.isDirectory()){File[] allFiles = file.listFiles();for (File logFile : allFiles){String fileName = logFile.getName();if (logServiceLogName.equals(fileName)){continue;}// String createDateInfo =// getFileNameWithoutExtension(fileName);boolean isSucc = copy(logFile, new File(LOG_PATH_SDCARD_DIR+ File.separator + fileName));if (isSucc){logFile.delete();// recordLogServiceLog("move file success,log name is:"+fileName);}}}}private void deleteSDcardExpiredLog(){File file = new File(LOG_PATH_SDCARD_DIR);if (file.isDirectory()){File[] allFiles = file.listFiles();for (File logFile : allFiles){String fileName = logFile.getName();if (logServiceLogName.equals(fileName)){continue;}String createDateInfo = getFileNameWithoutExtension(fileName);if (canDeleteSDLog(createDateInfo)){logFile.delete();Log.d(TAG, "delete expired log success,the log path is:"+ logFile.getAbsolutePath());}}}}public boolean canDeleteSDLog(String createDateStr){boolean canDel = false;Calendar calendar = Calendar.getInstance();calendar.add(Calendar.DAY_OF_MONTH, -1 * SDCARD_LOG_FILE_SAVE_DAYS);// 删除7天之前日志Date expiredDate = calendar.getTime();try{Date createDate = sdf.parse(createDateStr);canDel = createDate.before(expiredDate);} catch (ParseException e){Log.e(TAG, e.getMessage(), e);canDel = false;}return canDel;}private void deleteMemoryExpiredLog(){File file = new File(LOG_PATH_MEMORY_DIR);if (file.isDirectory()){File[] allFiles = file.listFiles();Arrays.sort(allFiles, new FileComparator());for (int i = 0; i < allFiles.length - 2; i++){ // "-2"保存最近的两个日志文件File _file = allFiles[i];if (logServiceLogName.equals(_file.getName())|| _file.getName().equals(CURR_INSTALL_LOG_NAME)){continue;}_file.delete();Log.d(TAG, "delete expired log success,the log path is:"+ _file.getAbsolutePath());}}}private boolean copy(File source, File target){FileInputStream in = null;FileOutputStream out = null;try{if (!target.exists()){boolean createSucc = target.createNewFile();if (!createSucc){return false;}}in = new FileInputStream(source);out = new FileOutputStream(target);byte[] buffer = new byte[8 * 1024];int count;while ((count = in.read(buffer)) != -1){out.write(buffer, 0, count);}return true;} catch (Exception e){e.printStackTrace();Log.e(TAG, e.getMessage(), e);recordLogServiceLog("copy file fail");return false;} finally{try{if (in != null){in.close();}if (out != null){out.close();}} catch (IOException e){e.printStackTrace();Log.e(TAG, e.getMessage(), e);recordLogServiceLog("copy file fail");return false;}}}private void recordLogServiceLog(String msg){if (writer != null){try{Date time = new Date();writer.write(myLogSdf.format(time) + " : " + msg);writer.write("\n");writer.flush();} catch (IOException e){e.printStackTrace();Log.e(TAG, e.getMessage(), e);}}}private String getFileNameWithoutExtension(String fileName){return fileName.substring(0, fileName.indexOf("."));}class ProcessInfo {public String user;public String pid;public String ppid;public String name;@Overridepublic String toString(){String str = "user=" + user + " pid=" + pid + " ppid=" + ppid+ " name=" + name;return str;}}class StreamConsumer extends Thread {InputStream is;List list;StreamConsumer(InputStream is) {this.is = is;}StreamConsumer(InputStream is, List list) {this.is = is;this.list = list;}public void run(){try{InputStreamReader isr = new InputStreamReader(is);BufferedReader br = new BufferedReader(isr);String line = null;while ((line = br.readLine()) != null){if (list != null){list.add(line);}}} catch (IOException ioe){ioe.printStackTrace();}}}class SDStateMonitorReceiver extends BroadcastReceiver {public void onReceive(Context context, Intent intent){if (Intent.ACTION_MEDIA_UNMOUNTED.equals(intent.getAction())){ // 存储卡被卸载if (CURR_LOG_TYPE == SDCARD_TYPE){Log.d(TAG, "SDcar is UNMOUNTED");CURR_LOG_TYPE = MEMORY_TYPE;new LogCollectorThread().start();}} else{ // 存储卡被挂载if (CURR_LOG_TYPE == MEMORY_TYPE){Log.d(TAG, "SDcar is MOUNTED");CURR_LOG_TYPE = SDCARD_TYPE;new LogCollectorThread().start();}}}}class LogTaskReceiver extends BroadcastReceiver {public void onReceive(Context context, Intent intent){String action = intent.getAction();if (SWITCH_LOG_FILE_ACTION.equals(action)){new LogCollectorThread().start();} else if (MONITOR_LOG_SIZE_ACTION.equals(action)){checkLogSize();}}}class FileComparator implements Comparator {public int compare(File file1, File file2){if (logServiceLogName.equals(file1.getName())){return -1;} else if (logServiceLogName.equals(file2.getName())){return 1;}String createInfo1 = getFileNameWithoutExtension(file1.getName());String createInfo2 = getFileNameWithoutExtension(file2.getName());try{Date create1 = sdf.parse(createInfo1);Date create2 = sdf.parse(createInfo2);if (create1.before(create2)){return -1;} else{return 1;}} catch (ParseException e){return 0;}}}@Overridepublic void onDestroy(){super.onDestroy();recordLogServiceLog("LogService onDestroy");if (writer != null){try{writer.close();} catch (IOException e){e.printStackTrace();}}if (process != null){process.destroy();}unregisterReceiver(sdStateReceiver);unregisterReceiver(logTaskReceiver);}}