logging (reduce gc churn)

router/java/src/net/i2p/router/tunnelmanager/TunnelBuilder.java

@@ -62,6 +62,7 @@ class TunnelBuilder {
             peerLists = randomizeLists(peerHashes, 1, settings.getDepthInbound());
         }
         if (peerLists.size() <= 0) {
+            if (_log.shouldLog(Log.INFO))
                 _log.info("Configuring local inbound tunnel");
             return configureInboundTunnel(dest, settings, new ArrayList());
         } else {
@@ -83,6 +84,7 @@ class TunnelBuilder {
             peerLists = randomizeLists(peerHashes, 1, settings.getDepthOutbound());
         }
         if (peerLists.size() <= 0) {
+            if (_log.shouldLog(Log.INFO))
                 _log.info("Configuring local outbound tunnel");
             return configureOutboundTunnel(settings, new ArrayList());
         } else {
@@ -112,12 +114,14 @@ class TunnelBuilder {
         Set tunnels = new HashSet();
         int numIn = settings.getNumInboundTunnels();
         if (numIn <= 0) {
+            if (_log.shouldLog(Log.INFO))
                 _log.info("No inbound tunnels requested, but we're creating one anyway");
             numIn = 1;
         }
         List peerLists = null;
         if (!useFake) {
             List peerHashes = selectInboundPeers(numIn, settings.getDepthInbound());
+            if (_log.shouldLog(Log.DEBUG))
                 _log.debug("Peer hashes selected: " + peerHashes.size());
             peerLists = randomizeLists(peerHashes, settings.getNumInboundTunnels(), settings.getDepthInbound());
         } else {
@@ -127,6 +131,7 @@ class TunnelBuilder {
             for (int i = 0; i < numIn; i++) {
                 TunnelInfo tunnel = configureInboundTunnel(dest, settings, new ArrayList());
                 tunnels.add(tunnel);
+                if (_log.shouldLog(Log.INFO))
                     _log.info("Dummy inbound tunnel " + tunnel.getTunnelId() + " configured (" + tunnel + ")");
             }
         } else {
@@ -134,6 +139,7 @@ class TunnelBuilder {
                 List peerList = (List)iter.next();
                 TunnelInfo tunnel = configureInboundTunnel(dest, settings, peerList);
                 tunnels.add(tunnel);
+                if (_log.shouldLog(Log.INFO))
                     _log.info("Real inbound tunnel " + tunnel.getTunnelId() + " configured (" + tunnel + ")");
             }
         }
@@ -154,6 +160,7 @@ class TunnelBuilder {
         List peerLists = null;
         if (!useFake) {
             List peerHashes = selectOutboundPeers(settings.getNumOutboundTunnels(), settings.getDepthOutbound());
+            if (_log.shouldLog(Log.DEBUG))
                 _log.debug("Peer hashes selected: " + peerHashes.size());
             peerLists = randomizeLists(peerHashes, settings.getNumOutboundTunnels(), settings.getDepthOutbound());
         } else {
@@ -163,6 +170,7 @@ class TunnelBuilder {
             for (int i = 0; i < settings.getNumOutboundTunnels(); i++) {
                 TunnelInfo tunnel = configureOutboundTunnel(settings, new ArrayList());
                 tunnels.add(tunnel);
+                if (_log.shouldLog(Log.INFO))
                     _log.info("Dummy outbound tunnel " + tunnel.getTunnelId() + " configured (" + tunnel + ")");
             }
         } else {
@@ -170,6 +178,7 @@ class TunnelBuilder {
                 List peerList = (List)iter.next();
                 TunnelInfo tunnel = configureOutboundTunnel(settings, peerList);
                 tunnels.add(tunnel);
+                if (_log.shouldLog(Log.INFO))
                     _log.info("Real outbound tunnel " + tunnel.getTunnelId() + " configured (" + tunnel + ")");
             }
         }
@@ -206,6 +215,7 @@ class TunnelBuilder {
             if (null != _context.netDb().lookupRouterInfoLocally(peer))
                 rv.add(peer);
             else {
+                if (_log.shouldLog(Log.WARN))
                     _log.warn("peer manager selected a peer we don't know about - drop it");
             }
         }
@@ -225,9 +235,11 @@ class TunnelBuilder {
         List tunnels = new ArrayList(numTunnels);
         
         if (peerHashes.size() == 0) {
+            if (_log.shouldLog(Log.INFO))
                 _log.info("No peer hashes provided");
             return tunnels;
         } else {
+            if (_log.shouldLog(Log.INFO))
                 _log.info("# peers randomizing: " + peerHashes + " into " + numTunnels + " tunnels");
         }
         
@@ -240,10 +252,12 @@ class TunnelBuilder {
                 if (!peers.contains(peer))
                     peers.add(peer);
             }
+            if (_log.shouldLog(Log.INFO))
                 _log.info("Tunnel " + i + " [" + numPerTunnel + "/(" + startOn+ ")]: " + peers);
             tunnels.add(peers);
         }
         
+        if (_log.shouldLog(Log.INFO))
             _log.info("Tunnels: " + tunnels);
         
         return tunnels;