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Code Issues Releases Wiki Activity

Reduce battery usage on unstable connection

This commit is contained in:
M66B 2018-09-30 10:13:24 +00:00
parent 5ecd1aab66
commit b9bea95156
1 changed files with 15 additions and 1 deletions
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16
app/src/main/java/eu/faircode/email/ServiceSynchronize.java
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@ -129,11 +129,12 @@ public class ServiceSynchronize extends LifecycleService {
private static final int CONNECT_BACKOFF_START = 8; // seconds
private static final int CONNECT_BACKOFF_MAX = 1024; // seconds (1024 sec ~ 17 min)
private static final long STORE_NOOP_INTERVAL = 9 * 60 * 1000L; // ms
private static final long STORE_NOOP_INTERVAL = 9 * 60 * 1000L; // milliseconds
private static final int SYNC_BATCH_SIZE = 20;
private static final int DOWNLOAD_BATCH_SIZE = 20;
private static final int MESSAGE_AUTO_DOWNLOAD_SIZE = 32 * 1024; // bytes
private static final int ATTACHMENT_AUTO_DOWNLOAD_SIZE = 32 * 1024; // bytes
private static final long RECONNECT_BACKOFF = 90 * 1000L; // milliseconds
static final int PI_UNSEEN = 1;
static final int PI_SEEN = 2;
@ -1833,6 +1834,7 @@ public class ServiceSynchronize extends LifecycleService {
private class ServiceManager extends ConnectivityManager.NetworkCallback {
private ServiceState state;
private boolean running = false;
private long lastLost = 0;
private Thread main;
private EntityFolder outbox = null;
private ExecutorService lifecycle = Executors.newSingleThreadExecutor(Helper.backgroundThreadFactory);
@ -1867,6 +1869,7 @@ public class ServiceSynchronize extends LifecycleService {
if (ani == null || !ani.isConnected()) {
EntityLog.log(ServiceSynchronize.this, "Network disconnected=" + ani);
running = false;
lastLost = new Date().getTime();
lifecycle.submit(new Runnable() {
@Override
public void run() {
@ -1904,6 +1907,17 @@ public class ServiceSynchronize extends LifecycleService {
return;
}
long ago = new Date().getTime() - lastLost;
if (ago < RECONNECT_BACKOFF)
try {
long backoff = RECONNECT_BACKOFF - ago;
EntityLog.log(ServiceSynchronize.this, "Main backoff=" + (backoff / 1000));
Thread.sleep(backoff);
} catch (InterruptedException ex) {
Log.w(Helper.TAG, "main backoff " + ex.toString());
return;
}
// Start monitoring outbox
IntentFilter f = new IntentFilter();
f.addAction(ACTION_SYNCHRONIZE_FOLDER);