From 5a85d3515d29febe5586c66cc58583d5f8a1b5a6 Mon Sep 17 00:00:00 2001
From: Arceliar <Arceliar@users.noreply.github.com>
Date: Sat, 20 Oct 2018 17:32:54 -0500
Subject: [PATCH] cleanup

---
 misc/sim/treesim.go  |  4 ++--
 src/yggdrasil/dht.go | 38 ++++----------------------------------
 2 files changed, 6 insertions(+), 36 deletions(-)

diff --git a/misc/sim/treesim.go b/misc/sim/treesim.go
index 30ac2835..793ef219 100644
--- a/misc/sim/treesim.go
+++ b/misc/sim/treesim.go
@@ -415,10 +415,10 @@ func main() {
 	}
 	fmt.Println("Test")
 	Util_testAddrIDMask()
-	//idxstore := makeStoreSquareGrid(4)
+	idxstore := makeStoreSquareGrid(4)
 	//idxstore := makeStoreStar(256)
 	//idxstore := loadGraph("misc/sim/hype-2016-09-19.list")
-	idxstore := loadGraph("misc/sim/fc00-2017-08-12.txt")
+	//idxstore := loadGraph("misc/sim/fc00-2017-08-12.txt")
 	//idxstore := loadGraph("skitter")
 	kstore := getKeyedStore(idxstore)
 	//*
diff --git a/src/yggdrasil/dht.go b/src/yggdrasil/dht.go
index 55121be1..5b43d066 100644
--- a/src/yggdrasil/dht.go
+++ b/src/yggdrasil/dht.go
@@ -1,7 +1,6 @@
 package yggdrasil
 
 import (
-	"fmt"
 	"sort"
 	"time"
 )
@@ -16,9 +15,6 @@ type dhtInfo struct {
 	coords        []byte
 	send          time.Time // When we last sent a message
 	recv          time.Time // When we last received a message
-	//pings         int           // Decide when to drop
-	//throttle      time.Duration // Time to wait before pinging a node to bootstrap buckets, increases exponentially from 1 second to 1 minute
-	//bootstrapSend time.Time     // The time checked/updated as part of throttle checks
 }
 
 // Returns the *NodeID associated with dhtInfo.key, calculating it on the fly the first time or from a cache all subsequent times.
@@ -54,7 +50,6 @@ type dht struct {
 	table  map[NodeID]*dhtInfo
 	peers  chan *dhtInfo // other goroutines put incoming dht updates here
 	reqs   map[boxPubKey]map[NodeID]time.Time
-	//rumorMill      []dht_rumor
 }
 
 func (t *dht) init(c *Core) {
@@ -66,7 +61,7 @@ func (t *dht) init(c *Core) {
 }
 
 func (t *dht) reset() {
-	fmt.Println("Resetting table:", t.nodeID)
+	//fmt.Println("Resetting table:", t.nodeID)
 	t.reqs = make(map[boxPubKey]map[NodeID]time.Time)
 	t.table = make(map[NodeID]*dhtInfo)
 }
@@ -99,7 +94,7 @@ func (t *dht) lookup(nodeID *NodeID, allowWorse bool) []*dhtInfo {
 // Insert into table, preserving the time we last sent a packet if the node was already in the table, otherwise setting that time to now
 func (t *dht) insert(info *dhtInfo) {
 	if *info.getNodeID() == t.nodeID {
-		// This shouldn't happen, but don't add it in case it does
+		// This shouldn't happen, but don't add it if it does
 		return
 		panic("FIXME")
 	}
@@ -236,19 +231,9 @@ func (t *dht) handleRes(res *dhtRes) {
 		// We could try sending to only the best, but then packet loss matters more
 		if successor == nil || dht_ordered(&t.nodeID, info.getNodeID(), successor.getNodeID()) {
 			t.ping(info, &t.nodeID)
-			if successor != nil {
-				fmt.Println("pinging better successor", t.nodeID[:4], info.getNodeID()[:4], successor.getNodeID()[:4], len(t.table))
-			} else {
-				fmt.Println("pinging new successor", t.nodeID[:4], info.getNodeID()[:4], successor)
-			}
 		}
 		if predecessor == nil || dht_ordered(predecessor.getNodeID(), info.getNodeID(), &t.nodeID) {
 			t.ping(info, &t.nodeID)
-			if predecessor != nil {
-				fmt.Println("pinging better predecessor", t.nodeID[:4], info.getNodeID()[:4], predecessor.getNodeID()[:4], len(t.table))
-			} else {
-				fmt.Println("pinging new predecessor", t.nodeID[:4], info.getNodeID()[:4])
-			}
 		}
 	}
 	// TODO add everyting else to a rumor mill for later use? (when/how?)
@@ -300,30 +285,15 @@ func (t *dht) doMaintenance() {
 	// Ping successor, asking for their predecessor, and clean up old/expired info
 	var successor *dhtInfo
 	now := time.Now()
-	size := len(t.table)
 	for infoID, info := range t.table {
-		/*
-			if now.Sub(info.recv) > time.Minute {
-				delete(t.table, infoID)
-			} else if successor == nil || dht_ordered(&t.nodeID, &infoID, successor.getNodeID()) {
-				successor = info
-			}
-		*/
-		if successor == nil || dht_ordered(&t.nodeID, &infoID, successor.getNodeID()) {
-			successor = info
-		}
 		if now.Sub(info.recv) > time.Minute {
 			delete(t.table, infoID)
+		} else if successor == nil || dht_ordered(&t.nodeID, &infoID, successor.getNodeID()) {
+			successor = info
 		}
 	}
 	if successor != nil &&
 		now.Sub(successor.send) > 6*time.Second {
 		t.ping(successor, nil)
 	}
-	if successor != nil && t.table[*successor.getNodeID()] == nil {
-		fmt.Println("DEBUG:          successor timed out:", t.nodeID[:4], successor.getNodeID()[:4])
-	}
-	if len(t.table) != size {
-		fmt.Println("DEBUG:          timeouts:", t.nodeID[:4], size, len(t.table))
-	}
 }