From 544b46ffe1a19bb263a8ff268b89518566bb5627 Mon Sep 17 00:00:00 2001
From: Daniel Gultsch <daniel@gultsch.de>
Date: Thu, 21 Apr 2022 17:04:01 +0200
Subject: [PATCH] Revert "flush stanzas in batches"

This reverts commit 6bd552f6a32ca93826cb491f9b4bd757f9698227.

fixes #4313

This turned out to be a rather unnecessary optimization that might cause
problems with wake locks (the app is no longer awake after the 400ms timeout)
---
 .../eu/siacs/conversations/xml/TagWriter.java | 22 ++++---------------
 1 file changed, 4 insertions(+), 18 deletions(-)

diff --git a/src/main/java/eu/siacs/conversations/xml/TagWriter.java b/src/main/java/eu/siacs/conversations/xml/TagWriter.java
index 2c2b8ac2c..4f429377a 100644
--- a/src/main/java/eu/siacs/conversations/xml/TagWriter.java
+++ b/src/main/java/eu/siacs/conversations/xml/TagWriter.java
@@ -8,15 +8,12 @@ import java.io.OutputStreamWriter;
 import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.LinkedBlockingQueue;
 import java.util.concurrent.TimeUnit;
-import java.util.concurrent.atomic.AtomicInteger;
 
 import eu.siacs.conversations.Config;
 import eu.siacs.conversations.xmpp.stanzas.AbstractStanza;
 
 public class TagWriter {
 
-    private static final int FLUSH_DELAY = 400;
-
     private OutputStreamWriter outputStream;
     private boolean finished = false;
     private final LinkedBlockingQueue<AbstractStanza> writeQueue = new LinkedBlockingQueue<AbstractStanza>();
@@ -24,8 +21,6 @@ public class TagWriter {
 
     private final Thread asyncStanzaWriter = new Thread() {
 
-        private final AtomicInteger batchStanzaCount = new AtomicInteger(0);
-
         @Override
         public void run() {
             stanzaWriterCountDownLatch = new CountDownLatch(1);
@@ -34,21 +29,12 @@ public class TagWriter {
                     break;
                 }
                 try {
-                    final AbstractStanza stanza = writeQueue.poll(FLUSH_DELAY, TimeUnit.MILLISECONDS);
-                    if (stanza != null) {
-                        batchStanzaCount.incrementAndGet();
-                        outputStream.write(stanza.toString());
-                    } else {
-                        final int batch = batchStanzaCount.getAndSet(0);
-                        if (batch > 1) {
-                            Log.d(Config.LOGTAG, "flushing " + batch + " stanzas");
-                        }
+                    AbstractStanza output = writeQueue.take();
+                    outputStream.write(output.toString());
+                    if (writeQueue.size() == 0) {
                         outputStream.flush();
-                        final AbstractStanza nextStanza = writeQueue.take();
-                        batchStanzaCount.incrementAndGet();
-                        outputStream.write(nextStanza.toString());
                     }
-                } catch (final Exception e) {
+                } catch (Exception e) {
                     break;
                 }
             }