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@ -49,7 +49,7 @@ public abstract class AbsThreadTask<ENTITY extends AbsNormalEntity, TASK_ENTITY |
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private final String TAG = "AbsThreadTask"; |
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/** |
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* 当前子线程的下载位置 |
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* 当前子线程相对于总长度的位置 |
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*/ |
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protected long mChildCurrentLocation = 0; |
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protected int mBufSize; |
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@ -236,23 +236,59 @@ public abstract class AbsThreadTask<ENTITY extends AbsNormalEntity, TASK_ENTITY |
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f.delete(); |
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} |
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} |
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File targetFile = new File(STATE.TASK_RECORD.filePath); |
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if (targetFile.exists() && targetFile.length() > mEntity.getFileSize()) { |
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ALog.e(TAG, String.format("任务【%s】分块文件合并失败，下载长度超出文件真实长度，downloadLen: %s，fileSize: %s", |
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mConfig.TEMP_FILE.getName(), targetFile.length(), mEntity.getFileSize())); |
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return false; |
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} |
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return true; |
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} else { |
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return false; |
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} |
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} |
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/** |
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* 检查下载完成的分块大小，如果下载完成的分块大小大于或小于分配的大小，则需要重新下载该分块 |
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* 如果是非分块任务，直接返回{@code true} |
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* |
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* @return {@code true} 分块分大小正常，{@code false} 分块大小错误 |
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*/ |
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protected boolean checkBlock() { |
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if (!getTaskRecord().isBlock) { |
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return true; |
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} |
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ThreadRecord tr = getThreadRecord(); |
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File blockFile = getBockFile(); |
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if (!blockFile.exists() || blockFile.length() != tr.blockLen) { |
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ALog.i(TAG, String.format("分块【%s】下载错误，即将重新下载该分块，开始位置：%s，结束位置：%s", blockFile.getName(), |
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tr.startLocation, tr.endLocation)); |
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retryThis(isBreak()); |
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return false; |
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} |
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return true; |
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} |
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/** |
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* 停止任务 |
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*/ |
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public void stop() { |
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synchronized (AriaManager.LOCK) { |
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if (mConfig.SUPPORT_BP) { |
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final long currentTemp = mChildCurrentLocation; |
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final long stopLocation; |
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if (getTaskRecord().isBlock) { |
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File blockFile = getBockFile(); |
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ThreadRecord tr = getThreadRecord(); |
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long block = mEntity.getFileSize() / getTaskRecord().threadRecords.size(); |
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stopLocation = |
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blockFile.exists() ? (tr.threadId * block + blockFile.length()) : tr.threadId * block; |
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} else { |
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stopLocation = mChildCurrentLocation; |
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} |
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STATE.STOP_NUM++; |
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ALog.d(TAG, String.format("任务【%s】thread__%s__停止【停止位置：%s】", mConfig.TEMP_FILE.getName(), |
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mConfig.THREAD_ID, currentTemp)); |
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writeConfig(false, currentTemp); |
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ALog.d(TAG, String.format("任务【%s】thread__%s__停止【当前线程停止位置：%s】", mConfig.TEMP_FILE.getName(), |
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mConfig.THREAD_ID, stopLocation)); |
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writeConfig(false, stopLocation); |
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if (STATE.isStop()) { |
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ALog.i(TAG, String.format("任务【%s】已停止", mConfig.TEMP_FILE.getName())); |
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STATE.isRunning = false; |
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@ -273,7 +309,8 @@ public abstract class AbsThreadTask<ENTITY extends AbsNormalEntity, TASK_ENTITY |
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synchronized (AriaManager.LOCK) { |
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if (STATE.CURRENT_LOCATION > mEntity.getFileSize()) { |
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String errorMsg = |
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String.format("下载失败，下载长度超出文件大；currentLocation=%s, fileSize=%s", STATE.CURRENT_LOCATION, |
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String.format("下载失败，下载长度超出文件真实长度；currentLocation=%s, fileSize=%s", |
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STATE.CURRENT_LOCATION, |
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mEntity.getFileSize()); |
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taskBreak = true; |
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fail(mChildCurrentLocation, new FileException(TAG, errorMsg), false); |
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@ -376,31 +413,42 @@ public abstract class AbsThreadTask<ENTITY extends AbsNormalEntity, TASK_ENTITY |
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if (getTaskRecord().isBlock) { |
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ThreadRecord tr = getThreadRecord(); |
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long block = mEntity.getFileSize() / getTaskRecord().threadRecords.size(); |
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File file = mConfig.TEMP_FILE; |
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if (file.length() > tr.endLocation) { |
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ALog.i(TAG, String.format("分块【%s】错误，将重新下载该分块", file.getPath())); |
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boolean b = file.delete(); |
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ALog.w(TAG, "删除：" + b); |
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File blockFile = getBockFile(); |
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if (blockFile.length() > tr.blockLen) { |
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ALog.i(TAG, String.format("分块【%s】错误，将重新下载该分块", blockFile.getPath())); |
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blockFile.delete(); |
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tr.startLocation = block * tr.threadId; |
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tr.isComplete = false; |
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mConfig.START_LOCATION = tr.startLocation; |
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} else if (file.length() == tr.endLocation) { |
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STATE.COMPLETE_THREAD_NUM++; |
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tr.isComplete = true; |
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} else { |
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tr.startLocation = block * tr.threadId + file.length(); |
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mConfig.START_LOCATION = tr.startLocation; |
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} else if (blockFile.length() < tr.blockLen) { |
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tr.startLocation = block * tr.threadId + blockFile.length(); |
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tr.isComplete = false; |
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mConfig.START_LOCATION = tr.startLocation; |
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STATE.CURRENT_LOCATION = getBlockRealTotalSize(); |
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ALog.i(TAG, String.format("修正分块【%s】进度，开始位置：%s，当前进度：%s", file.getPath(), tr.startLocation, |
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ALog.i(TAG, String.format("修正分块【%s】，开始位置：%s，当前进度：%s", blockFile.getPath(), tr.startLocation, |
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STATE.CURRENT_LOCATION)); |
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} else { |
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STATE.COMPLETE_THREAD_NUM++; |
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tr.isComplete = true; |
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} |
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tr.update(); |
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} else { |
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mConfig.START_LOCATION = mChildCurrentLocation == 0 ? mConfig.START_LOCATION |
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: mConfig.THREAD_RECORD.startLocation; |
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} |
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} |
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/** |
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* 获取分块文件 |
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* |
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* @return 分块文件 |
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*/ |
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private File getBockFile() { |
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return new File(String.format(AbsFileer.SUB_PATH, STATE.TASK_RECORD.filePath, |
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getThreadRecord().threadId)); |
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} |
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/** |
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* 获取分块任务真实的进度 |
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* |
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@ -448,7 +496,9 @@ public abstract class AbsThreadTask<ENTITY extends AbsNormalEntity, TASK_ENTITY |
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ThreadRecord tr = getThreadRecord(); |
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if (tr != null) { |
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tr.isComplete = isComplete; |
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if (getTaskRecord().isBlock || getTaskRecord().isOpenDynamicFile) { |
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if (getTaskRecord().isBlock) { |
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tr.startLocation = record; |
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} else if (getTaskRecord().isOpenDynamicFile) { |
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tr.startLocation = mConfig.TEMP_FILE.length(); |
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} else { |
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if (0 < record && record < mConfig.END_LOCATION) { |
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laoyuyu
6 years ago