yggdrasil-network/yggdrasil-go
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more debugging

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This commit is contained in:
Arceliar 2018-10-20 16:27:01 -05:00
parent 1720dff476
commit 02f0611dde
3 changed files with 33 additions and 7 deletions
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1
src/yggdrasil/debug.go
View file

@ -233,6 +233,7 @@ func (c *Core) DEBUG_getDHTSize() int {
c.router.doAdmin(func() {
total = len(c.dht.table)
})
fmt.Println("DEBUG_getDHTSize():", total)
return total
}

35
src/yggdrasil/dht.go
View file

@ -66,6 +66,7 @@ func (t *dht) init(c *Core) {
}
func (t *dht) reset() {
fmt.Println("Resetting table:", t.nodeID)
t.reqs = make(map[boxPubKey]map[NodeID]time.Time)
t.table = make(map[NodeID]*dhtInfo)
}
@ -98,7 +99,7 @@ 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 crash or add it in case it does
// This shouldn't happen, but don't add it in case it does
return
panic("FIXME")
}
@ -152,6 +153,7 @@ func (t *dht) handleReq(req *dhtReq) {
}
// For bootstrapping to work, we need to add these nodes to the table
t.insert(&info)
info.send = info.send.Add(-time.Minute)
}
// Sends a lookup response to the specified node.
@ -234,11 +236,19 @@ 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)
fmt.Println("pinging new successor", t.nodeID[:4], info.getNodeID()[:4], successor)
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)
fmt.Println("pinging new predecessor", t.nodeID[:4], info.getNodeID()[:4], predecessor)
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?)
@ -290,15 +300,30 @@ 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))
}
}