修复线程重启的导致下载失败的一个问题，https://github.com/AriaLyy/Aria/issues/160

Aria/src/main/java/com/arialyy/aria/core/common/AbsFileer.java

@@ -40,7 +40,7 @@ import java.util.concurrent.Executors;
  */
 public abstract class AbsFileer<ENTITY extends AbsNormalEntity, TASK_ENTITY extends AbsTaskEntity<ENTITY>>
     implements Runnable, IUtil {
-  private final String TAG = "Downloader";
+  private final String TAG = "AbsFileer";
   protected IEventListener mListener;
   protected TASK_ENTITY mTaskEntity;
   protected ENTITY mEntity;
@@ -50,7 +50,12 @@ public abstract class AbsFileer<ENTITY extends AbsNormalEntity, TASK_ENTITY exte
   protected boolean isNewTask = true;
   protected StateConstance mConstance;
   private ExecutorService mFixedThreadPool;
-  private int mThreadNum, mRealThreadNum;
+  //总线程数
+  private int mTotalThreadNum;
+  //启动线程数
+  private int mStartThreadNum;
+  //已完成的线程数
+  private int mCompleteThreadNum;
   private SparseArray<AbsThreadTask> mTask = new SparseArray<>();
 
   /**
@@ -72,7 +77,7 @@ public abstract class AbsFileer<ENTITY extends AbsNormalEntity, TASK_ENTITY exte
   }
 
   @Override public void setMaxSpeed(double maxSpeed) {
-    for (int i = 0; i < mThreadNum; i++) {
+    for (int i = 0; i < mTotalThreadNum; i++) {
       AbsThreadTask task = mTask.get(i);
       if (task != null) {
         task.setMaxSpeed(maxSpeed);
@@ -101,12 +106,13 @@ public abstract class AbsFileer<ENTITY extends AbsNormalEntity, TASK_ENTITY exte
       ((IDownloadListener) mListener).onPostPre(mEntity.getFileSize());
     }
     if (!mTaskEntity.isSupportBP) {
-      mThreadNum = 1;
-      mConstance.THREAD_NUM = mThreadNum;
+      mTotalThreadNum = 1;
+      mStartThreadNum = 1;
+      mConstance.THREAD_NUM = mTotalThreadNum;
       handleNoSupportBP();
     } else {
-      mThreadNum = isNewTask ? (getNewTaskThreadNum()) : mRealThreadNum;
-      mConstance.THREAD_NUM = mThreadNum;
+      mTotalThreadNum = isNewTask ? (getNewTaskThreadNum()) : mStartThreadNum + mCompleteThreadNum;
+      mConstance.THREAD_NUM = mTotalThreadNum;
       handleBreakpoint();
     }
     startTimer();
@@ -116,8 +122,8 @@ public abstract class AbsFileer<ENTITY extends AbsNormalEntity, TASK_ENTITY exte
    * 设置新任务的最大线程数
    */
   protected int getNewTaskThreadNum() {
-    return mEntity.getFileSize() <= SUB_LEN || mTaskEntity.requestType == AbsTaskEntity.D_FTP_DIR ? 1
-        : AriaManager.getInstance(mContext).getDownloadConfig().getThreadNum();
+    return mEntity.getFileSize() <= SUB_LEN || mTaskEntity.requestType == AbsTaskEntity.D_FTP_DIR
+        ? 1 : AriaManager.getInstance(mContext).getDownloadConfig().getThreadNum();
   }
 
   /**
@@ -169,7 +175,7 @@ public abstract class AbsFileer<ENTITY extends AbsNormalEntity, TASK_ENTITY exte
     if (mFixedThreadPool != null) {
       mFixedThreadPool.shutdown();
     }
-    for (int i = 0; i < mThreadNum; i++) {
+    for (int i = 0; i < mStartThreadNum; i++) {
       AbsThreadTask task = mTask.get(i);
       if (task != null) {
         task.cancel();
@@ -190,7 +196,7 @@ public abstract class AbsFileer<ENTITY extends AbsNormalEntity, TASK_ENTITY exte
     if (mFixedThreadPool != null) {
       mFixedThreadPool.shutdown();
     }
-    for (int i = 0; i < mThreadNum; i++) {
+    for (int i = 0; i < mStartThreadNum; i++) {
       AbsThreadTask task = mTask.get(i);
       if (task != null) {
         task.stop();
@@ -230,6 +236,8 @@ public abstract class AbsFileer<ENTITY extends AbsNormalEntity, TASK_ENTITY exte
    * 检查记录文件，如果是新任务返回{@code true}，否则返回{@code false}
    */
   protected boolean checkConfigFile() {
+    mStartThreadNum = 0;
+    mCompleteThreadNum = 0;
     Properties pro = CommonUtil.loadConfig(mConfigFile);
     if (pro.isEmpty()) {
       return true;
@@ -237,15 +245,18 @@ public abstract class AbsFileer<ENTITY extends AbsNormalEntity, TASK_ENTITY exte
     Set<Object> keys = pro.keySet();
     int num = 0;
     for (Object key : keys) {
-      if (String.valueOf(key).contains("_record_")) {
+      String str = String.valueOf(key);
+      if (str.contains("_record_")) {
         num++;
+      } else if (str.contains("_state_")) {
+        mCompleteThreadNum++;
       }
     }
     if (num == 0) {
       return true;
     }
-    mRealThreadNum = num;
-    for (int i = 0; i < mRealThreadNum; i++) {
+    mStartThreadNum = num;
+    for (int i = 0; i < mStartThreadNum; i++) {
       if (pro.getProperty(mTempFile.getName() + "_record_" + i) == null) {
         Object state = pro.getProperty(mTempFile.getName() + "_state_" + i);
         if (state != null && Integer.parseInt(state + "") == 1) {
@@ -264,8 +275,8 @@ public abstract class AbsFileer<ENTITY extends AbsNormalEntity, TASK_ENTITY exte
    */
   private boolean resumeRecordLocation(int i, long startL, long endL) {
     mConstance.CURRENT_LOCATION += endL - startL;
-    ALog.d(TAG, "++++++++++ 线程_" + i + "_已经下载完成 ++++++++++");
-    mConstance.COMPLETE_THREAD_NUM++;
+    ALog.d(TAG, "任务【" + mTaskEntity.getEntity().getFileName() + "】线程__" + i + "__已完成");
+    mConstance.COMPLETE_THREAD_NUM = mCompleteThreadNum;
     mConstance.STOP_NUM++;
     mConstance.CANCEL_NUM++;
     if (mConstance.isComplete()) {
@@ -307,16 +318,16 @@ public abstract class AbsFileer<ENTITY extends AbsNormalEntity, TASK_ENTITY exte
   private void handleBreakpoint() {
     long fileLength = mEntity.getFileSize();
     Properties pro = CommonUtil.loadConfig(mConfigFile);
-    long blockSize = fileLength / mThreadNum;
-    int[] recordL = new int[mThreadNum];
-    for (int i = 0; i < mThreadNum; i++) {
+    long blockSize = fileLength / mTotalThreadNum;
+    int[] recordL = new int[mTotalThreadNum];
+    for (int i = 0; i < mTotalThreadNum; i++) {
       recordL[i] = -1;
     }
     int rl = 0;
     if (isNewTask) {
       handleNewTask();
     }
-    for (int i = 0; i < mThreadNum; i++) {
+    for (int i = 0; i < mTotalThreadNum; i++) {
       long startL = i * blockSize, endL = (i + 1) * blockSize;
       Object state = pro.getProperty(mTempFile.getName() + "_state_" + i);
       if (state != null && Integer.parseInt(state + "") == 1) {  //该线程已经完成
@@ -339,7 +350,7 @@ public abstract class AbsFileer<ENTITY extends AbsNormalEntity, TASK_ENTITY exte
         recordL[rl] = i;
         rl++;
       }
-      if (i == (mThreadNum - 1)) {
+      if (i == (mTotalThreadNum - 1)) {
         //最后一个线程的结束位置即为文件的总长度
         endL = fileLength;
       }

Aria/src/main/java/com/arialyy/aria/core/common/AbsThreadTask.java

@@ -42,7 +42,7 @@ public abstract class AbsThreadTask<ENTITY extends AbsNormalEntity, TASK_ENTITY
   /**
    * 线程重试次数
    */
-  private final int RETRY_NUM = 5;
+  private final int RETRY_NUM = 2;
   /**
    * 线程重试间隔
    */
@@ -108,7 +108,8 @@ public abstract class AbsThreadTask<ENTITY extends AbsNormalEntity, TASK_ENTITY
               + "】thread__"
               + mConfig.THREAD_ID
               + "__停止【停止位置： "
-              + currentTemp + "】");
+              + currentTemp
+              + "】");
           writeConfig(false, currentTemp);
           if (STATE.isStop()) {
             ALog.i(TAG, "任务【" + mConfig.TEMP_FILE.getName() + "】已停止");
@@ -134,7 +135,8 @@ public abstract class AbsThreadTask<ENTITY extends AbsNormalEntity, TASK_ENTITY
       mChildCurrentLocation += len;
       STATE.CURRENT_LOCATION += len;
       //mIncrement += len;
-      if (System.currentTimeMillis() - mLastSaveTime > 5000) {
+      if (System.currentTimeMillis() - mLastSaveTime > 5000
+          && mChildCurrentLocation < mConfig.END_LOCATION) {
         mLastSaveTime = System.currentTimeMillis();
         new Thread(new Runnable() {
           @Override public void run() {
@@ -209,15 +211,15 @@ public abstract class AbsThreadTask<ENTITY extends AbsNormalEntity, TASK_ENTITY
    * @param needRetry 是否可以重试
    */
   private void retryThis(boolean needRetry) {
+    if (mFailTimer != null) {
+      mFailTimer.purge();
+      mFailTimer.cancel();
+    }
     if (!NetUtils.isConnected(AriaManager.APP)) {
       ALog.w(TAG,
           "任务【" + mConfig.TEMP_FILE.getName() + "】thread__" + mConfig.THREAD_ID + "__重试失败，网络未连接");
     }
     if (mFailNum < RETRY_NUM && needRetry && NetUtils.isConnected(AriaManager.APP)) {
-      if (mFailTimer != null) {
-        mFailTimer.purge();
-        mFailTimer.cancel();
-      }
       mFailTimer = new Timer(true);
       mFailTimer.schedule(new TimerTask() {
         @Override public void run() {
@@ -247,12 +249,12 @@ public abstract class AbsThreadTask<ENTITY extends AbsNormalEntity, TASK_ENTITY
   protected void writeConfig(boolean isComplete, final long record) throws IOException {
     synchronized (AriaManager.LOCK) {
       String key = null, value = null;
-      if (0 < record && record < mConfig.END_LOCATION) {
-        key = mConfig.TEMP_FILE.getName() + "_record_" + mConfig.THREAD_ID;
-        value = String.valueOf(record);
-      } else if (record >= mConfig.END_LOCATION || isComplete) {
+      if (record >= mConfig.END_LOCATION || isComplete) {
         key = mConfig.TEMP_FILE.getName() + "_state_" + mConfig.THREAD_ID;
         value = "1";
+      } else if (0 < record && record < mConfig.END_LOCATION) {
+        key = mConfig.TEMP_FILE.getName() + "_record_" + mConfig.THREAD_ID;
+        value = String.valueOf(record);
       }
       if (!TextUtils.isEmpty(key) && !TextUtils.isEmpty(value)) {
         File configFile = new File(mConfigFPath);

Aria/src/main/java/com/arialyy/aria/core/common/StateConstance.java

@@ -56,7 +56,7 @@ public class StateConstance {
    * 所有子线程是否都已经下载失败
    */
   public boolean isFail() {
-    return FAIL_NUM + COMPLETE_THREAD_NUM >= THREAD_NUM;
+    return COMPLETE_THREAD_NUM != THREAD_NUM && FAIL_NUM + COMPLETE_THREAD_NUM >= THREAD_NUM;
   }
 
   /**

Aria/src/main/java/com/arialyy/aria/core/download/downloader/FtpThreadTask.java

@@ -76,7 +76,7 @@ class FtpThreadTask extends AbsFtpThreadTask<DownloadEntity, DownloadTaskEntity>
       int len;
 
       while ((len = is.read(buffer)) != -1) {
-        if (STATE.isCancel || STATE.isStop){
+        if (STATE.isCancel || STATE.isStop) {
           break;
         }
         if (mSleepTime > 0) Thread.sleep(mSleepTime);
@@ -102,6 +102,10 @@ class FtpThreadTask extends AbsFtpThreadTask<DownloadEntity, DownloadTaskEntity>
         STATE.isRunning = false;
         mListener.onComplete();
       }
+      if (STATE.isFail()) {
+        STATE.isRunning = false;
+        mListener.onFail(false);
+      }
     } catch (IOException e) {
       fail(mChildCurrentLocation, "下载失败【" + mConfig.URL + "】", e);
     } catch (Exception e) {

Aria/src/main/java/com/arialyy/aria/core/download/downloader/HttpThreadTask.java

@@ -100,8 +100,12 @@ final class HttpThreadTask extends AbsThreadTask<DownloadEntity, DownloadTaskEnt
           STATE.isRunning = false;
           mListener.onComplete();
         }
+        if (STATE.isFail()){
+          STATE.isRunning = false;
+          mListener.onFail(false);
+        }
       } else {
-        ALog.i(TAG, "下载任务完成");
+        ALog.i(TAG, "任务下载完成");
         STATE.isRunning = false;
         mListener.onComplete();
       }

Aria/src/main/java/com/arialyy/aria/core/upload/uploader/FtpThreadTask.java

@@ -82,6 +82,10 @@ class FtpThreadTask extends AbsFtpThreadTask<UploadEntity, UploadTaskEntity> {
         STATE.isRunning = false;
         mListener.onComplete();
       }
+      if (STATE.isFail()){
+        STATE.isRunning = false;
+        mListener.onFail(false);
+      }
     } catch (IOException e) {
       fail(mChildCurrentLocation, "上传失败【" + mConfig.URL + "】", e);
     } catch (Exception e) {

Aria/src/main/java/com/arialyy/aria/util/CommonUtil.java

@@ -30,7 +30,6 @@ import com.arialyy.aria.core.command.group.GroupCmdFactory;
 import com.arialyy.aria.core.command.normal.AbsNormalCmd;
 import com.arialyy.aria.core.command.normal.NormalCmdFactory;
 import com.arialyy.aria.core.download.DownloadEntity;
-import com.arialyy.aria.core.download.DownloadGroupEntity;
 import com.arialyy.aria.core.download.DownloadGroupTaskEntity;
 import com.arialyy.aria.core.download.DownloadTaskEntity;
 import com.arialyy.aria.core.inf.AbsGroupTaskEntity;
@@ -148,7 +147,6 @@ public class CommonUtil {
         for (String str : strs) {
           url = url.replaceAll(str, URLEncoder.encode(str, "UTF-8"));
         }
-
       } catch (UnsupportedEncodingException e) {
         e.printStackTrace();
       }
@@ -284,7 +282,6 @@ public class CommonUtil {
    */
   public static void delDownloadGroupTaskConfig(boolean removeFile,
       DownloadGroupTaskEntity tEntity) {
-    DownloadGroupEntity entity = tEntity.getEntity();
     List<DownloadTaskEntity> tasks =
         DbEntity.findDatas(DownloadTaskEntity.class, "groupName=?", tEntity.key);
     if (tasks != null && !tasks.isEmpty()) {
@@ -293,17 +290,19 @@ public class CommonUtil {
       }
     }
 
-    File dir = new File(tEntity.getEntity().getDirPath());
-    if (removeFile) {
-      if (dir.exists()) {
-        dir.delete();
-      }
-    } else {
-      if (!tEntity.getEntity().isComplete()) {
-        dir.delete();
+    if (tEntity.getEntity() != null) {
+      File dir = new File(tEntity.getEntity().getDirPath());
+      if (removeFile) {
+        if (dir.exists()) {
+          dir.delete();
+        }
+      } else {
+        if (!tEntity.getEntity().isComplete()) {
+          dir.delete();
+        }
       }
+      tEntity.deleteData();
     }
-    tEntity.deleteData();
   }
 
   /**
@@ -314,6 +313,9 @@ public class CommonUtil {
    */
   public static void delUploadTaskConfig(boolean removeFile, UploadTaskEntity tEntity) {
     UploadEntity uEntity = tEntity.getEntity();
+    if (uEntity == null) {
+      return;
+    }
     File file = new File(uEntity.getFilePath());
     if (removeFile) {
       if (file.exists()) {

app/src/main/assets/aria_config.xml

@@ -5,7 +5,7 @@
   <download>
 
     <!--设置下载线程，线程下载数改变后，新的下载任务才会生效，如果任务大小小于1m，该设置也不会生效-->
-    <threadNum value="1"/>
+    <threadNum value="3"/>
 
     <!--设置下载队列最大任务数， 默认为2-->
     <maxTaskNum value="2"/>

app/src/main/java/com/arialyy/simple/download/FtpDownloadActivity.java

@@ -38,7 +38,7 @@ public class FtpDownloadActivity extends BaseActivity<ActivityFtpDownloadBinding
   //private final String URL = "ftp://192.168.1.9:21/下载/AriaPrj.zip";
   //private final String URL = "ftp://192.168.1.9:21/下载/[电影天堂www.dy2018.com]赛车总动员3BD中英双字.mp4";
   //private final String URL = "ftp://h:h@tv.dl1234.com:2199/付岩洞复仇者们05.mkv";
-  private final String URL = "ftp://z:z@dygod18.com:21211/[电影天堂www.dy2018.com]英格丽向西行BD中英双字.mp4";
+  private final String URL = "ftp://z:z@dygod18.com:21211/[破晓电影www.poxiao.com]情遇曼哈顿HD国语中字.mkv";
   //private final String URL = "ftp://172.18.104.71:21/upload/AS.zip";
 
   @Override protected void init(Bundle savedInstanceState) {

app/src/main/java/com/arialyy/simple/download/SingleTaskActivity.java

@@ -48,7 +48,7 @@ public class SingleTaskActivity extends BaseActivity<ActivitySingleBinding> {
   private static final String DOWNLOAD_URL =
       //"http://kotlinlang.org/docs/kotlin-docs.pdf";
       //"https://atom-installer.github.com/v1.13.0/AtomSetup.exe?s=1484074138&ext=.exe";
-      "http://static.gaoshouyou.com/d/22/94/822260b849944492caadd2983f9bb624.apk";
+      //"http://static.gaoshouyou.com/d/22/94/822260b849944492caadd2983f9bb624.apk";
       //"http://sitcac.daxincf.cn/wp-content/uploads/swift_vido/01/element.mp4_1";
   //"http://120.25.196.56:8000/filereq?id=15692406294&ipncid=105635&client=android&filename=20170819185541.avi";
   //"http://down2.xiaoshuofuwuqi.com/d/file/filetxt/20170608/14/%BA%DA%CE%D7%CA%A6%E1%C8%C6%F0.txt";
@@ -59,7 +59,7 @@ public class SingleTaskActivity extends BaseActivity<ActivitySingleBinding> {
   //不支持断点的链接
   //"http://ox.konsung.net:5555/ksdc-web/download/downloadFile/?fileName=ksdc_1.0.2.apk&rRange=0-";
   //"http://172.18.104.50:8080/download/_302turn";
-  //"http://gdown.baidu.com/data/wisegame/0904344dee4a2d92/QQ_718.apk";
+  "http://gdown.baidu.com/data/wisegame/0904344dee4a2d92/QQ_718.apk";
   //"http://172.21.1.99:8080/download/test+ 中文123.zip";
   @Bind(R.id.start) Button mStart;
   @Bind(R.id.stop) Button mStop;