logservice.doc

package com.study.service;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;/* * 日志服务，日志默认会存储在SDcar里如果没有SDcard会存储在内存中的安装目录下面。 * 1.本服务默认在SDcard中每天生成一个日志文件, * 2.如果有SDCard的话会将之前内存中的文件拷贝到SDCard中 * 3.如果没有SDCard，在安装目录下只保存当前在写日志 * 4.SDcard的装载卸载动作会在步骤2,3中切换 * 5.SDcard中的日志文件只保存7天 * author Administrator * */public class LogService extends Serviceprivate 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;/* * 是否正在监测日志文件大小； 如果当前日志记录在SDcard中则为false 如果当前日志记录在内存中则为true */private boolean logSizeMoniting = false;private static String MONITOR_LOG_SIZE_ACTION = com.walktour.gui.MONITOR_LOG_SIZE; / 日志文件监测actionprivate static String SWITCH_LOG_FILE_ACTION = com.walktour.gui.SWITCH_LOG_FILE_ACTION; / 切换日志文件actionOverridepublic 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+ walktour+ File.separator + log;createLogDir();/* * * try writer = new OutputStreamWriter(new FileOutputStream( * LOG_SERVICE_LOG_PATH, true); catch (FileNotFoundException e) * Log.e(TAG, e.getMessage(), e); * * */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);/* * 获取当前应存储在内存中还是存储在SDCard中 * * return */public int getCurrLogType()if (!Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)return MEMORY_TYPE;elsereturn SDCARD_TYPE;/* * 部署日志切换任务，每天凌晨切换日志文件 */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();/* * 日志收集 1.清除日志缓存 2.杀死应用程序已开启的Logcat进程防止多个进程写入一个日志文件 3.开启日志收集进程 4.处理日志文件 移动 * OR 删除 */class LogCollectorThread extends Threadpublic LogCollectorThread()super(LogCollectorThread);Log.d(TAG, LogCollectorThread is create);Overridepublic void run()trywakeLock.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);/* * 每次记录日志之前先清除日志的缓存, 不然会在两个日志文件中记录重复的日志 */private void clearLogCache()Process proc = null;List commandList = new ArrayList();commandList.add(logcat);commandList.add(-c);tryproc = Runtime.getRuntime().exec(commandList.toArray(new StringcommandList.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);finallytryproc.destroy();catch (Exception e)Log.e(TAG, clearLogCache failed, e);recordLogServiceLog(clearLogCache failed);/* * 关闭由本程序开启的logcat进程： 根据用户名称杀死进程(如果是本程序进程开启的Logcat收集进程那么两者的USER一致) * 如果不关闭会有多个进程读取logcat日志缓存信息写入日志文件 * * param allProcList * return */private void killLogcatProc(List allProcList)if (process != null)process.destroy();String packName = this.getPackageName();String myUser = getAppUser(packName, allProcList);/* * recordLogServiceLog(app user is:+myUser); * recordLogServiceLog(=); for (ProcessInfo * processInfo : allProcList) * recordLogServiceLog(processInfo.toString(); * recordLogServiceLog(=); */for (ProcessInfo processInfo : allProcList)if (processI.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);/* * 获取本程序的用户名称 * * param packName * param allProcList * return */private String getAppUser(String packName, List allProcList)for (ProcessInfo processInfo : allProcList)if (processI.equals(packName)return processInfo.user;return null;/* * 根据ps命令得到的内容获取PID，User，name等信息 * * param orgProcessList * return */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);pI = orgInfo.get(8);procInfoList.add(pInfo);return procInfoList;/* * 运行PS命令得到进程信息 * * return USER PID PPID VSIZE RSS WCHAN PC NAME root 1 0 416 300 c00d4b28 * 0000cd5c S /init */private List getAllProcess()List orgProcList = new ArrayList();Process proc = null;tryproc = 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);finallytryproc.destroy();catch (Exception e)Log.e(TAG, getAllProcess failed, e);recordLogServiceLog(getAllProcess failed);return orgProcList;/* * 开始收集日志信息 */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);tryprocess = Runtime.getRuntime().exec(commandList.toArray(new StringcommandList.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();/* * 根据当前的存储位置得到日志的绝对存储路径 * * return */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;elseCURR_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;/* * 处理日志文件 1.如果日志文件存储位置切换到内存中，删除除了正在写的日志文件 并且部署日志大小监控任务，控制日志大小不超过规定值 * 2.如果日志文件存储位置切换到SDCard中，删除7天之前的日志，移 动所有存储在内存中的日志到SDCard中，并将之前部署的日志大小 监控取消 */public void handleLog()if (CURR_LOG_TYPE = MEMORY_TYPE)deployLogSizeMonitorTask();deleteMemoryExpiredLog();elsemoveLogfile();cancelLogSizeMonitorTask();deleteSDcardExpiredLog();/* * 部署日志大小监控任务 */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();/* * 取消部署日志大小监控任务 */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);/* * 检查日志文件大小是否超过了规定大小 如果超过了重新开启一个日志收集进程 */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 logs size is too big!);new LogCollectorThread().start();/* * 创建日志目录 */private void createLogDir()File file = new File(LOG_PATH_MEMORY_DIR);boolean mkOk;if (!file.isDirectory()mkOk = file.mkdirs();if (!mkOk)mkOk = file.mkdirs();/* * * file = new File(LOG_SERVICE_LOG_PATH); if (!file.exists() try * mkOk = file.createNewFile(); if (!mkOk) file.createNewFile(); * catch (IOException e) Log.e(TAG, e.getMessage(), e); * * */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;/* * 将日志文件转移到SD卡下面 */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);/* * 删除内存下过期的日志 */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();/* * 判断sdcard上的日志文件是否可以删除 * * param createDateStr * return */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();tryDate createDate = sdf.parse(createDateStr);canDel = createDate.before(expiredDate);catch (ParseException e)Log.e(TAG, e.getMessage(), e);canDel = false;return canDel;/* * 删除内存中的过期日志，删除规则： 除了当前的日志和离当前时间最近的日志保存其他的都删除 */private void deleteMemoryExpiredLog()File file = new File(LOG_PATH_MEMORY_DIR);if (file.isDirectory()File all