From 557a10664626975189cb05a2b5c139ca5b00d27c Mon Sep 17 00:00:00 2001
From: Christian Schneppe <christian@pix-art.de>
Date: Sun, 21 Jan 2018 15:12:46 +0100
Subject: use countdownlatch to check if TagWriter has finished

---
 src/main/java/de/pixart/messenger/xml/TagWriter.java    | 17 +++++++++++++----
 .../java/de/pixart/messenger/xmpp/XmppConnection.java   | 12 +-----------
 2 files changed, 14 insertions(+), 15 deletions(-)

(limited to 'src')

diff --git a/src/main/java/de/pixart/messenger/xml/TagWriter.java b/src/main/java/de/pixart/messenger/xml/TagWriter.java
index c6b84170d..53f04128f 100644
--- a/src/main/java/de/pixart/messenger/xml/TagWriter.java
+++ b/src/main/java/de/pixart/messenger/xml/TagWriter.java
@@ -5,7 +5,9 @@ import android.util.Log;
 import java.io.IOException;
 import java.io.OutputStream;
 import java.io.OutputStreamWriter;
+import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.LinkedBlockingQueue;
+import java.util.concurrent.TimeUnit;
 
 import de.pixart.messenger.Config;
 import de.pixart.messenger.xmpp.stanzas.AbstractStanza;
@@ -15,13 +17,15 @@ public class TagWriter {
     private OutputStreamWriter outputStream;
     private boolean finished = false;
     private LinkedBlockingQueue<AbstractStanza> writeQueue = new LinkedBlockingQueue<AbstractStanza>();
+    private CountDownLatch stanzaWriterCountDownLatch = null;
     private Thread asyncStanzaWriter = new Thread() {
 
         @Override
         public void run() {
+            stanzaWriterCountDownLatch = new CountDownLatch(1);
             while (!isInterrupted()) {
                 if (finished && writeQueue.size() == 0) {
-                    return;
+                    break;
                 }
                 try {
                     AbstractStanza output = writeQueue.take();
@@ -30,9 +34,10 @@ public class TagWriter {
                         outputStream.flush();
                     }
                 } catch (Exception e) {
-                    return;
+                    break;
                 }
             }
+            stanzaWriterCountDownLatch.countDown();
         }
     };
 
@@ -94,8 +99,12 @@ public class TagWriter {
         this.finished = true;
     }
 
-    public boolean finished() {
-        return (this.writeQueue.size() == 0);
+    public boolean await(long timeout, TimeUnit timeunit) throws InterruptedException {
+        if (stanzaWriterCountDownLatch == null) {
+            return true;
+        } else {
+            return stanzaWriterCountDownLatch.await(timeout, timeunit);
+        }
     }
 
     public boolean isActive() {
diff --git a/src/main/java/de/pixart/messenger/xmpp/XmppConnection.java b/src/main/java/de/pixart/messenger/xmpp/XmppConnection.java
index b242cd568..4ee5a6a4e 100644
--- a/src/main/java/de/pixart/messenger/xmpp/XmppConnection.java
+++ b/src/main/java/de/pixart/messenger/xmpp/XmppConnection.java
@@ -1517,9 +1517,7 @@ public class XmppConnection implements Runnable {
                 final Socket currentSocket = this.socket;
                 final CountDownLatch streamCountDownLatch = this.mStreamCountDownLatch;
                 try {
-                    for (int i = 0; i <= 10 && !currentTagWriter.finished() && !currentSocket.isClosed(); ++i) {
-                        Thread.sleep(100);
-                    }
+                    currentTagWriter.await(1, TimeUnit.SECONDS);
                     Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": closing stream");
                     currentTagWriter.writeTag(Tag.end("stream:stream"));
                     if (streamCountDownLatch != null) {
@@ -1542,14 +1540,6 @@ public class XmppConnection implements Runnable {
         }
     }
 
-    private static void uninterruptedSleep(int time) {
-        try {
-            Thread.sleep(time);
-        } catch (InterruptedException e) {
-            //ignore
-        }
-    }
-
     public void resetStreamId() {
         this.streamId = null;
     }
-- 
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