[tor-commits] [orbot/master] make bridge allocation shuffle randomly to distribute load

[n8fr8@xxxxxxxxxxxxxx]

commit 1dbe5eac55f79d48ed3a69c6d19d1962f5a764b3
Author: Nathan Freitas <nathan@xxxxxxxxxxx>
Date:   Mon Jan 25 15:45:36 2016 -0500

    make bridge allocation shuffle randomly to distribute load
    inspired by this work: https://trac.torproject.org/projects/tor/ticket/18113
    we don't want all users to start with the same bridges in the same order
---
 src/org/torproject/android/OrbotMainActivity.java |    9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/org/torproject/android/OrbotMainActivity.java b/src/org/torproject/android/OrbotMainActivity.java
index e020dc2..ae9a8dc 100644
--- a/src/org/torproject/android/OrbotMainActivity.java
+++ b/src/org/torproject/android/OrbotMainActivity.java
@@ -10,7 +10,9 @@ import java.net.URLDecoder;
 import java.net.URLEncoder;
 import java.text.NumberFormat;
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.Locale;
+import java.util.Random;
 import java.util.StringTokenizer;
 
 import org.json.JSONArray;
@@ -1384,7 +1386,7 @@ public class OrbotMainActivity extends AppCompatActivity
 	    	    	while(st.hasMoreTokens())
 	    	    		sbConfig.append(st.nextToken()).append(' ');
 	    	    	
-	    	    	b.config = sbConfig.toString();
+	    	    	b.config = sbConfig.toString().trim();
 	    	    	
 	    	    	alBridges.add(b);
 	    	    	
@@ -1404,6 +1406,11 @@ public class OrbotMainActivity extends AppCompatActivity
     {
     	StringBuffer sbConfig = new StringBuffer ();
     	
+    	//we should randomly sort alBridges so we don't have the same bridge order each time
+    	long seed = System.nanoTime();
+    	Collections.shuffle(alBridges, new Random(seed));
+    	
+    	//now go through the list to find the bridges we want
     	for (Bridge b : alBridges)
     	{
     		if (b.type.equals(type))



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