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commit (3 changes)

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* re-write download segmenting logic (issue #).
* clean-up download threads handling.
* fix race-condition if "pause" option in download context menu was selected, in the transition from "pending" to "finished" state.
This commit is contained in:
kapodamy 2019-07-02 21:07:21 -03:00
parent 806896ea05
commit 60f5f07dd6
5 changed files with 192 additions and 221 deletions
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27
app/src/main/java/us/shandian/giga/get/DownloadRunnableFallback.java
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@ -41,17 +41,25 @@ public class DownloadRunnableFallback extends Thread {
if (mF != null) mF.close();
}
private long loadPosition() {
synchronized (mMission.LOCK) {
return mMission.fallbackResumeOffset;
}
}
private void savePosition(long position) {
synchronized (mMission.LOCK) {
mMission.fallbackResumeOffset = position;
}
}
@Override
public void run() {
boolean done;
long start = loadPosition();
long start = 0;
if (!mMission.unknownLength) {
start = mMission.getThreadBytePosition(0);
if (DEBUG && start > 0) {
Log.i(TAG, "Resuming a single-thread download at " + start);
}
if (DEBUG && !mMission.unknownLength && start > 0) {
Log.i(TAG, "Resuming a single-thread download at " + start);
}
try {
@ -91,8 +99,7 @@ public class DownloadRunnableFallback extends Thread {
} catch (Exception e) {
dispose();
// save position
mMission.setThreadBytePosition(0, start);
savePosition(start);
if (!mMission.running || e instanceof ClosedByInterruptException) return;
@ -114,7 +121,7 @@ public class DownloadRunnableFallback extends Thread {
if (done) {
mMission.notifyFinished();
} else {
mMission.setThreadBytePosition(0, start);
savePosition(start);
}
}