From 7ec1dd7a98e8c7aee9a1008fa5aaccea84fda8e7 Mon Sep 17 00:00:00 2001
From: zzz <zzz@mail.i2p>
Date: Mon, 10 May 2010 15:22:10 +0000
Subject: [PATCH] netdb.jsp leaseset debug
---
.../src/net/i2p/router/web/NetDbHelper.java | 13 ++-
.../src/net/i2p/router/web/NetDbRenderer.java | 91 +++++++++++++++++--
2 files changed, 90 insertions(+), 14 deletions(-)
diff --git a/apps/routerconsole/java/src/net/i2p/router/web/NetDbHelper.java b/apps/routerconsole/java/src/net/i2p/router/web/NetDbHelper.java
index 18c454cc7f..5eb67473e5 100644
--- a/apps/routerconsole/java/src/net/i2p/router/web/NetDbHelper.java
+++ b/apps/routerconsole/java/src/net/i2p/router/web/NetDbHelper.java
@@ -9,7 +9,8 @@ import net.i2p.data.DataHelper;
public class NetDbHelper extends HelperBase {
private String _routerPrefix;
private int _full;
- private boolean _lease = false;
+ private boolean _lease;
+ private boolean _debug;
public NetDbHelper() {}
@@ -23,7 +24,11 @@ public class NetDbHelper extends HelperBase {
_full = Integer.parseInt(f);
} catch (NumberFormatException nfe) {}
}
- public void setLease(String l) { _lease = "1".equals(l); }
+
+ public void setLease(String l) {
+ _debug = "2".equals(l);
+ _lease = _debug || "1".equals(l);
+ }
public String getNetDbSummary() {
NetDbRenderer renderer = new NetDbRenderer(_context);
@@ -32,7 +37,7 @@ public class NetDbHelper extends HelperBase {
if (_routerPrefix != null)
renderer.renderRouterInfoHTML(_out, _routerPrefix);
else if (_lease)
- renderer.renderLeaseSetHTML(_out);
+ renderer.renderLeaseSetHTML(_out, _debug);
else
renderer.renderStatusHTML(_out, _full);
return "";
@@ -41,7 +46,7 @@ public class NetDbHelper extends HelperBase {
if (_routerPrefix != null)
renderer.renderRouterInfoHTML(new OutputStreamWriter(baos), _routerPrefix);
else if (_lease)
- renderer.renderLeaseSetHTML(new OutputStreamWriter(baos));
+ renderer.renderLeaseSetHTML(new OutputStreamWriter(baos), _debug);
else
renderer.renderStatusHTML(new OutputStreamWriter(baos), _full);
return new String(baos.toByteArray());
diff --git a/apps/routerconsole/java/src/net/i2p/router/web/NetDbRenderer.java b/apps/routerconsole/java/src/net/i2p/router/web/NetDbRenderer.java
index d360e346eb..53af2c0feb 100644
--- a/apps/routerconsole/java/src/net/i2p/router/web/NetDbRenderer.java
+++ b/apps/routerconsole/java/src/net/i2p/router/web/NetDbRenderer.java
@@ -10,6 +10,8 @@ package net.i2p.router.web;
import java.io.IOException;
import java.io.Writer;
+import java.math.BigInteger; // debug
+import java.text.DecimalFormat; // debug
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
@@ -27,6 +29,8 @@ import net.i2p.data.RouterAddress;
import net.i2p.data.RouterInfo;
import net.i2p.router.RouterContext;
import net.i2p.router.TunnelPoolSettings;
+import net.i2p.router.networkdb.kademlia.HashDistance; // debug
+import net.i2p.util.HexDump; // debug
import net.i2p.util.ObjectCounter;
import net.i2p.util.VersionComparator;
@@ -37,10 +41,10 @@ public class NetDbRenderer {
_context = ctx;
}
- private class LeaseSetComparator implements Comparator {
- public int compare(Object l, Object r) {
- Destination dl = ((LeaseSet)l).getDestination();
- Destination dr = ((LeaseSet)r).getDestination();
+ private class LeaseSetComparator implements Comparator<LeaseSet> {
+ public int compare(LeaseSet l, LeaseSet r) {
+ Destination dl = l.getDestination();
+ Destination dr = r.getDestination();
boolean locall = _context.clientManager().isLocal(dl);
boolean localr = _context.clientManager().isLocal(dr);
if (locall && !localr) return -1;
@@ -49,9 +53,20 @@ public class NetDbRenderer {
}
}
- private static class RouterInfoComparator implements Comparator {
- public int compare(Object l, Object r) {
- return ((RouterInfo)l).getIdentity().getHash().toBase64().compareTo(((RouterInfo)r).getIdentity().getHash().toBase64());
+ /** for debugging @since 0.7.14 */
+ private static class LeaseSetRoutingKeyComparator implements Comparator<LeaseSet> {
+ private final Hash _us;
+ public LeaseSetRoutingKeyComparator(Hash us) {
+ _us = us;
+ }
+ public int compare(LeaseSet l, LeaseSet r) {
+ return HashDistance.getDistance(_us, l.getRoutingKey()).subtract(HashDistance.getDistance(_us, r.getRoutingKey())).signum();
+ }
+ }
+
+ private static class RouterInfoComparator implements Comparator<RouterInfo> {
+ public int compare(RouterInfo l, RouterInfo r) {
+ return l.getIdentity().getHash().toBase64().compareTo(r.getIdentity().getHash().toBase64());
}
}
@@ -78,13 +93,31 @@ public class NetDbRenderer {
out.flush();
}
- public void renderLeaseSetHTML(Writer out) throws IOException {
+ /**
+ * @param debug @since 0.7.14 sort by routing key, display distance from our routing key
+ * median distance, and other stuff, useful when floodfill
+ */
+ public void renderLeaseSetHTML(Writer out, boolean debug) throws IOException {
StringBuilder buf = new StringBuilder(4*1024);
buf.append("<h2>" + _("Network Database Contents") + "</h2>\n");
buf.append("<a href=\"netdb.jsp\">" + _("View RouterInfo") + "</a>");
buf.append("<h3>").append(_("LeaseSets")).append("</h3>\n");
- Set leases = new TreeSet(new LeaseSetComparator());
+ Hash ourRKey;
+ Set<LeaseSet> leases;
+ DecimalFormat fmt;
+ if (debug) {
+ ourRKey = _context.routingKeyGenerator().getRoutingKey(_context.routerHash());
+ leases = new TreeSet(new LeaseSetRoutingKeyComparator(ourRKey));
+ fmt = new DecimalFormat("#0.00");
+ } else {
+ ourRKey = null;
+ leases = new TreeSet(new LeaseSetComparator());
+ fmt = null;
+ }
leases.addAll(_context.netDb().getLeases());
+ int medianCount = leases.size() / 2;
+ BigInteger median = null;
+ int c = 0;
long now = _context.clock().now();
for (Iterator iter = leases.iterator(); iter.hasNext(); ) {
LeaseSet ls = (LeaseSet)iter.next();
@@ -115,6 +148,16 @@ public class NetDbRenderer {
buf.append(_("Expires in {0}", DataHelper.formatDuration(exp))).append("<br>\n");
else
buf.append(_("Expired {0} ago", DataHelper.formatDuration(0-exp))).append("<br>\n");
+ if (debug) {
+ buf.append("RAP? " + ls.getReceivedAsPublished() + ' ');
+ buf.append("RAR? " + ls.getReceivedAsReply() + ' ');
+ BigInteger dist = HashDistance.getDistance(ourRKey, ls.getRoutingKey());
+ if (c++ == medianCount)
+ median = dist;
+ buf.append("Dist: <b>" + fmt.format(biLog2(dist)) + "</b> ");
+ buf.append("RKey: " + ls.getRoutingKey().toBase64() + ' ');
+ buf.append("<br>");
+ }
for (int i = 0; i < ls.getLeaseCount(); i++) {
buf.append(_("Lease")).append(' ').append(i + 1).append(": " + _("Gateway") + ' ');
buf.append(_context.commSystem().renderPeerHTML(ls.getLease(i).getGateway()));
@@ -124,10 +167,38 @@ public class NetDbRenderer {
out.write(buf.toString());
buf.setLength(0);
}
+ if (debug) {
+ buf.append("<p><b>Total Leasesets: " + leases.size());
+ buf.append("<p>Our RKey: " + ourRKey.toBase64() + "<p>");
+ buf.append("<p>Mod Data: " + HexDump.dump(_context.routingKeyGenerator().getModData()) + "<p>");
+ if (median != null) {
+ double log2 = biLog2(median);
+ buf.append("<p>Median distance (bits): " + fmt.format(log2));
+ // 1 for median, 3 for 8 floodfills... is this right?
+ buf.append("<p>Estimated total floodfills: " + Math.round(Math.pow(2, 1 + 3 + 255 - log2)));
+ }
+ }
out.write(buf.toString());
out.flush();
}
+ /**
+ * For debugging
+ * http://forums.sun.com/thread.jspa?threadID=597652
+ * @since 0.7.14
+ */
+ private static double biLog2(BigInteger a) {
+ int b = a.bitLength() - 1;
+ double c = 0;
+ double d = 0.5;
+ for (int i = b; i >= 0; --i) {
+ if (a.testBit(i))
+ c += d;
+ d /= 2;
+ }
+ return b + c;
+ }
+
/**
* @param mode 0: our info and charts only; 1: full routerinfos and charts; 2: abbreviated routerinfos and charts
*/
@@ -160,7 +231,7 @@ public class NetDbRenderer {
ObjectCounter<String> countries = new ObjectCounter();
int[] transportCount = new int[8];
- Set routers = new TreeSet(new RouterInfoComparator());
+ Set<RouterInfo> routers = new TreeSet(new RouterInfoComparator());
routers.addAll(_context.netDb().getRouters());
for (Iterator iter = routers.iterator(); iter.hasNext(); ) {
RouterInfo ri = (RouterInfo)iter.next();
--
GitLab