cwinfo/yggdrasil-go
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cleanup

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This commit is contained in:
Arceliar 2018-10-20 17:32:54 -05:00
parent 02f0611dde
commit 5a85d3515d
2 changed files with 6 additions and 36 deletions
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4
misc/sim/treesim.go
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@ -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)
//*

38
src/yggdrasil/dht.go
View File

@ -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))
}
}