mirror of
https://github.com/cwinfo/yggdrasil-go.git
synced 2024-11-22 14:10:28 +00:00
add dht time since last ping to admin socket, some DHT code cleanup, bugfix to insertIfNew
This commit is contained in:
parent
edf8f2e239
commit
8d9887294c
@ -10,6 +10,7 @@ import "net/url"
|
|||||||
import "sort"
|
import "sort"
|
||||||
import "strings"
|
import "strings"
|
||||||
import "strconv"
|
import "strconv"
|
||||||
|
import "time"
|
||||||
|
|
||||||
// TODO? Make all of this JSON
|
// TODO? Make all of this JSON
|
||||||
// TODO: Add authentication
|
// TODO: Add authentication
|
||||||
@ -339,27 +340,24 @@ func (a *admin) getData_getSwitchPeers() []admin_nodeInfo {
|
|||||||
|
|
||||||
func (a *admin) getData_getDHT() []admin_nodeInfo {
|
func (a *admin) getData_getDHT() []admin_nodeInfo {
|
||||||
var infos []admin_nodeInfo
|
var infos []admin_nodeInfo
|
||||||
|
now := time.Now()
|
||||||
getDHT := func() {
|
getDHT := func() {
|
||||||
for i := 0; i < a.core.dht.nBuckets(); i++ {
|
for i := 0; i < a.core.dht.nBuckets(); i++ {
|
||||||
b := a.core.dht.getBucket(i)
|
b := a.core.dht.getBucket(i)
|
||||||
for _, v := range b.other {
|
getInfo := func(vs []*dhtInfo) {
|
||||||
addr := *address_addrForNodeID(v.getNodeID())
|
for _, v := range vs {
|
||||||
info := admin_nodeInfo{
|
addr := *address_addrForNodeID(v.getNodeID())
|
||||||
{"IP", net.IP(addr[:]).String()},
|
info := admin_nodeInfo{
|
||||||
{"coords", fmt.Sprint(v.coords)},
|
{"IP", net.IP(addr[:]).String()},
|
||||||
{"bucket", fmt.Sprint(i)},
|
{"coords", fmt.Sprint(v.coords)},
|
||||||
|
{"bucket", fmt.Sprint(i)},
|
||||||
|
{"lastSeen", fmt.Sprint(now.Sub(v.recv))},
|
||||||
|
}
|
||||||
|
infos = append(infos, info)
|
||||||
}
|
}
|
||||||
infos = append(infos, info)
|
|
||||||
}
|
|
||||||
for _, v := range b.peers {
|
|
||||||
addr := *address_addrForNodeID(v.getNodeID())
|
|
||||||
info := admin_nodeInfo{
|
|
||||||
{"IP", net.IP(addr[:]).String()},
|
|
||||||
{"coords", fmt.Sprint(v.coords)},
|
|
||||||
{"bucket", fmt.Sprint(i)},
|
|
||||||
}
|
|
||||||
infos = append(infos, info)
|
|
||||||
}
|
}
|
||||||
|
getInfo(b.other)
|
||||||
|
getInfo(b.peers)
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
a.core.router.doAdmin(getDHT)
|
a.core.router.doAdmin(getDHT)
|
||||||
|
@ -198,20 +198,12 @@ func (t *dht) nBuckets() int {
|
|||||||
func (t *dht) insertIfNew(info *dhtInfo, isPeer bool) {
|
func (t *dht) insertIfNew(info *dhtInfo, isPeer bool) {
|
||||||
//fmt.Println("DEBUG: dht insertIfNew:", info.getNodeID(), info.coords)
|
//fmt.Println("DEBUG: dht insertIfNew:", info.getNodeID(), info.coords)
|
||||||
// Insert a peer if and only if the bucket doesn't already contain it
|
// Insert a peer if and only if the bucket doesn't already contain it
|
||||||
nodeID := info.getNodeID()
|
if !t.shouldInsert(info) {
|
||||||
bidx, isOK := t.getBucketIndex(nodeID)
|
|
||||||
if !isOK {
|
|
||||||
return
|
return
|
||||||
}
|
}
|
||||||
b := t.getBucket(bidx)
|
info.send = time.Now()
|
||||||
if !b.contains(info) {
|
info.recv = info.send
|
||||||
// We've never heard this node before
|
t.insert(info, isPeer)
|
||||||
// TODO is there a better time than "now" to set send/recv to?
|
|
||||||
// (Is there another "natural" choice that bootstraps faster?)
|
|
||||||
info.send = time.Now()
|
|
||||||
info.recv = info.send
|
|
||||||
t.insert(info, isPeer)
|
|
||||||
}
|
|
||||||
}
|
}
|
||||||
|
|
||||||
func (t *dht) insert(info *dhtInfo, isPeer bool) {
|
func (t *dht) insert(info *dhtInfo, isPeer bool) {
|
||||||
@ -459,24 +451,7 @@ func (t *dht) doMaintenance() {
|
|||||||
// Note that the above is a pointer comparison, and target can be nil
|
// Note that the above is a pointer comparison, and target can be nil
|
||||||
// This is only for adding new nodes (learned from other lookups)
|
// This is only for adding new nodes (learned from other lookups)
|
||||||
// It only makes sense to ping if the node isn't already in the table
|
// It only makes sense to ping if the node isn't already in the table
|
||||||
bidx, isOK := t.getBucketIndex(rumor.info.getNodeID())
|
if !t.shouldInsert(rumor.info) {
|
||||||
if !isOK {
|
|
||||||
continue
|
|
||||||
}
|
|
||||||
b := t.getBucket(bidx)
|
|
||||||
if b.contains(rumor.info) {
|
|
||||||
// Already know about this node
|
|
||||||
continue
|
|
||||||
}
|
|
||||||
// This is a good spot to check if a node is worth pinging
|
|
||||||
doPing := len(b.other) < dht_bucket_size
|
|
||||||
for _, info := range b.other {
|
|
||||||
if dht_firstCloserThanThird(rumor.info.getNodeID(), &t.nodeID, info.getNodeID()) {
|
|
||||||
// Add the node if they are closer to us than someone in the same bucket
|
|
||||||
doPing = true
|
|
||||||
}
|
|
||||||
}
|
|
||||||
if !doPing {
|
|
||||||
continue
|
continue
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
@ -485,6 +460,26 @@ func (t *dht) doMaintenance() {
|
|||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
func (t *dht) shouldInsert(info *dhtInfo) bool {
|
||||||
|
bidx, isOK := t.getBucketIndex(info.getNodeID())
|
||||||
|
if !isOK {
|
||||||
|
return false
|
||||||
|
}
|
||||||
|
b := t.getBucket(bidx)
|
||||||
|
if b.contains(info) {
|
||||||
|
return false
|
||||||
|
}
|
||||||
|
if len(b.other) < dht_bucket_size {
|
||||||
|
return true
|
||||||
|
}
|
||||||
|
for _, other := range b.other {
|
||||||
|
if dht_firstCloserThanThird(info.getNodeID(), &t.nodeID, other.getNodeID()) {
|
||||||
|
return true
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return false
|
||||||
|
}
|
||||||
|
|
||||||
func dht_firstCloserThanThird(first *NodeID,
|
func dht_firstCloserThanThird(first *NodeID,
|
||||||
second *NodeID,
|
second *NodeID,
|
||||||
third *NodeID) bool {
|
third *NodeID) bool {
|
||||||
|
Loading…
Reference in New Issue
Block a user