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put Killer back: device can receive but never process

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A device where the OS isn't servicing enqueueWork() requests won't write
back to sockets it accept()s, causing the sender's writer to block
forever. So give it 30 seconds then kill the socket.
This commit is contained in:
Eric House 2019-02-20 11:04:31 -08:00
parent 274e7c6c4b
commit c822f4b1a6
1 changed files with 31 additions and 2 deletions
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33
xwords4/android/app/src/main/java/org/eehouse/android/xw4/BTService.java
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@ -1075,6 +1075,35 @@ public class BTService extends XWJIService {
.updateStatusIn( context, null, CommsConnType.COMMS_CONN_BT, success );
}
private static class KillerIn extends Thread implements AutoCloseable {
private int mSeconds;
private java.io.Closeable mSocket;
KillerIn( final java.io.Closeable socket, final int seconds )
{
mSeconds = seconds;
mSocket = socket;
start();
}
@Override
public void run()
{
try {
Thread.sleep( 1000 * mSeconds );
Log.d( TAG, "KillerIn(): time's up; closing socket" );
mSocket.close();
} catch ( InterruptedException ie ) {
// Log.d( TAG, "KillerIn: killed by owner" );
} catch( IOException ioe ) {
Log.ex( TAG, ioe );
}
}
@Override
public void close() { interrupt(); }
}
private class BTMsgSink extends MultiMsgSink {
public BTMsgSink() { super( BTService.this ); }
@ -1295,7 +1324,7 @@ public class BTService extends XWJIService {
int nDone = 0;
if ( null != localElems ) {
Log.d( TAG, "writeAndCheck(): reading %d replies", localElems.size() );
try {
try ( KillerIn ki = new KillerIn( socket, 30 ) ) {
DataInputStream inStream =
new DataInputStream( socket.getInputStream() );
for ( int ii = 0; ii < localElems.size(); ++ii ) {
@ -1314,7 +1343,7 @@ public class BTService extends XWJIService {
++nDone;
}
} catch ( IOException ioe ) {
Log.d( TAG, "failed reading replies: %s", ioe.getMessage() );
Log.d( TAG, "failed reading replies for %s: %s", this, ioe.getMessage() );
}
}
unappend( nDone );