From 3c2bec681f3d6a16c16279b52471f4d4c63a317b Mon Sep 17 00:00:00 2001
From: Michael Peter Christen <mc@yacy.net>
Date: Fri, 25 May 2012 15:33:02 +0200
Subject: [PATCH] added a root node flag: identifies peers with short ping time

---
 source/net/yacy/peers/Protocol.java | 15 ++++++++++-----
 source/net/yacy/peers/Seed.java     |  7 ++++++-
 2 files changed, 16 insertions(+), 6 deletions(-)

diff --git a/source/net/yacy/peers/Protocol.java b/source/net/yacy/peers/Protocol.java
index c9b6500a4..53c229c08 100644
--- a/source/net/yacy/peers/Protocol.java
+++ b/source/net/yacy/peers/Protocol.java
@@ -171,6 +171,7 @@ public final class Protocol
 
         Map<String, String> result = null;
         final String salt = crypt.randomSalt();
+        long responseTime = Long.MAX_VALUE;
         try {
             // generate request
             final Map<String, ContentBody> parts =
@@ -188,6 +189,7 @@ public final class Protocol
                     Seed.b64Hash2hexHash(otherHash) + ".yacyh",
                     parts,
                     false);
+            responseTime = System.currentTimeMillis() - start;
             Network.log.logInfo("yacyClient.hello thread '"
                 + Thread.currentThread().getName()
                 + "' contacted peer at "
@@ -195,7 +197,7 @@ public final class Protocol
                 + ", received "
                 + ((content == null) ? "null" : content.length)
                 + " bytes, time = "
-                + (System.currentTimeMillis() - start)
+                + responseTime
                 + " milliseconds");
             result = FileUtils.table(content);
         } catch ( final Exception e ) {
@@ -256,6 +258,12 @@ public final class Protocol
             }
         }
 
+        // get access type response
+        String mytype = result.get(Seed.YOURTYPE);
+        if ( mytype == null ) {
+            mytype = "";
+        }
+        
         // set my own seed according to new information
         // we overwrite our own IP number only
         if ( serverCore.useStaticIP ) {
@@ -263,16 +271,13 @@ public final class Protocol
         } else {
             final String myIP = result.get("yourip");
             final String properIP = Seed.isProperIP(myIP);
+            mySeed.setFlagRootNode(mytype.equals(Seed.PEERTYPE_SENIOR) && responseTime < 1000 && Domains.isThisHostIP(myIP));
             if ( properIP == null ) {
                 mySeed.setIP(myIP);
             }
         }
 
         // change our seed-type
-        String mytype = result.get(Seed.YOURTYPE);
-        if ( mytype == null ) {
-            mytype = "";
-        }
         final Accessible accessible = new Accessible();
         if ( mytype.equals(Seed.PEERTYPE_SENIOR) || mytype.equals(Seed.PEERTYPE_PRINCIPAL) ) {
             accessible.IWasAccessed = true;
diff --git a/source/net/yacy/peers/Seed.java b/source/net/yacy/peers/Seed.java
index d04c6eae6..928a89792 100644
--- a/source/net/yacy/peers/Seed.java
+++ b/source/net/yacy/peers/Seed.java
@@ -167,6 +167,7 @@ public class Seed implements Cloneable, Comparable<Seed>, Comparator<Seed>
     private static final int FLAG_DIRECT_CONNECT = 0;
     private static final int FLAG_ACCEPT_REMOTE_CRAWL = 1;
     private static final int FLAG_ACCEPT_REMOTE_INDEX = 2;
+    private static final int FLAG_ROOT_NODE = 3;
 
     public static final String DFLT_NETWORK_UNIT = "freeworld";
     public static final String DFLT_NETWORK_GROUP = "";
@@ -764,7 +765,11 @@ public class Seed implements Cloneable, Comparable<Seed>, Comparator<Seed>
     public final void setFlagAcceptRemoteIndex(final boolean value) {
         setFlag(FLAG_ACCEPT_REMOTE_INDEX, value);
     }
-
+    
+    public final void setFlagRootNode(final boolean value) {
+        setFlag(FLAG_ROOT_NODE, value);
+    }
+    
     public final boolean getFlagDirectConnect() {
         return getFlag(0);
     }