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Merge pull request #641 from Arceliar/misc

Misc tuning
This commit is contained in:
Neil Alexander 2020-01-10 11:35:51 +00:00 committed by GitHub
commit c48c4ddc80
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
6 changed files with 46 additions and 51 deletions

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@ -25,14 +25,20 @@ import (
type admin_info map[string]interface{}
func main() {
// makes sure we can use defer and still return an error code to the OS
os.Exit(run())
}
func run() int {
logbuffer := &bytes.Buffer{}
logger := log.New(logbuffer, "", log.Flags())
defer func() {
defer func() int {
if r := recover(); r != nil {
logger.Println("Fatal error:", r)
fmt.Print(logbuffer)
os.Exit(1)
return 1
}
return 0
}()
endpoint := defaults.GetDefaults().DefaultAdminListen
@ -62,12 +68,12 @@ func main() {
fmt.Println("Build name:", version.BuildName())
fmt.Println("Build version:", version.BuildVersion())
fmt.Println("To get the version number of the running Yggdrasil node, run", os.Args[0], "getSelf")
return
return 0
}
if len(args) == 0 {
flag.Usage()
return
return 0
}
if *server == endpoint {
@ -176,15 +182,15 @@ func main() {
} else {
fmt.Println("Admin socket returned an error but didn't specify any error text")
}
os.Exit(1)
return 1
}
if _, ok := recv["request"]; !ok {
fmt.Println("Missing request in response (malformed response?)")
os.Exit(1)
return 1
}
if _, ok := recv["response"]; !ok {
fmt.Println("Missing response body (malformed response?)")
os.Exit(1)
return 1
}
req := recv["request"].(map[string]interface{})
res := recv["response"].(map[string]interface{})
@ -193,7 +199,7 @@ func main() {
if json, err := json.MarshalIndent(res, "", " "); err == nil {
fmt.Println(string(json))
}
os.Exit(0)
return 0
}
switch strings.ToLower(req["request"].(string)) {
@ -434,7 +440,7 @@ func main() {
}
if v, ok := recv["status"]; ok && v != "success" {
os.Exit(1)
return 1
}
os.Exit(0)
return 0
}

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@ -398,6 +398,7 @@ func (c *Core) GetNodeInfo(key crypto.BoxPubKey, coords []uint64, nocache bool)
}
})
c.router.nodeinfo.sendNodeInfo(key, wire_coordsUint64stoBytes(coords), false)
phony.Block(&c.router.nodeinfo, func() {}) // Wait for sendNodeInfo before starting timer
timer := time.AfterFunc(6*time.Second, func() { close(response) })
defer timer.Stop()
for res := range response {

View File

@ -387,6 +387,8 @@ func (t *dht) getImportant() []*dhtInfo {
if dist < minDist {
minDist = dist
important = append(important, info)
} else if len(important) < 2 {
important = append(important, info)
}
}
var temp []*dhtInfo
@ -397,6 +399,8 @@ func (t *dht) getImportant() []*dhtInfo {
if dist < minDist {
minDist = dist
temp = append(temp, info)
} else if len(temp) < 2 {
temp = append(temp, info)
}
}
for idx := len(temp) - 1; idx >= 0; idx-- {

View File

@ -41,7 +41,7 @@ type nodeinfoReqRes struct {
// Initialises the nodeinfo cache/callback maps, and starts a goroutine to keep
// the cache/callback maps clean of stale entries
func (m *nodeinfo) init(core *Core) {
m.Act(m, func() {
m.Act(nil, func() {
m._init(core)
})
}
@ -66,13 +66,13 @@ func (m *nodeinfo) _cleanup() {
}
}
time.AfterFunc(time.Second*30, func() {
m.Act(m, m._cleanup)
m.Act(nil, m._cleanup)
})
}
// Add a callback for a nodeinfo lookup
func (m *nodeinfo) addCallback(sender crypto.BoxPubKey, call func(nodeinfo *NodeInfoPayload)) {
m.Act(m, func() {
m.Act(nil, func() {
m._addCallback(sender, call)
})
}
@ -164,8 +164,8 @@ func (m *nodeinfo) _getCachedNodeInfo(key crypto.BoxPubKey) (NodeInfoPayload, er
}
// Handles a nodeinfo request/response - called from the router
func (m *nodeinfo) handleNodeInfo(nodeinfo *nodeinfoReqRes) {
m.Act(m, func() {
func (m *nodeinfo) handleNodeInfo(from phony.Actor, nodeinfo *nodeinfoReqRes) {
m.Act(from, func() {
m._handleNodeInfo(nodeinfo)
})
}
@ -181,7 +181,7 @@ func (m *nodeinfo) _handleNodeInfo(nodeinfo *nodeinfoReqRes) {
// Send nodeinfo request or response - called from the router
func (m *nodeinfo) sendNodeInfo(key crypto.BoxPubKey, coords []byte, isResponse bool) {
m.Act(m, func() {
m.Act(nil, func() {
m._sendNodeInfo(key, coords, isResponse)
})
}

View File

@ -250,5 +250,5 @@ func (r *router) _handleNodeInfo(bs []byte, fromKey *crypto.BoxPubKey) {
return
}
req.SendPermPub = *fromKey
r.nodeinfo.handleNodeInfo(&req)
r.nodeinfo.handleNodeInfo(r, &req)
}

View File

@ -16,7 +16,6 @@ package yggdrasil
import (
"errors"
"sort"
"time"
"github.com/yggdrasil-network/yggdrasil-go/src/crypto"
@ -25,10 +24,8 @@ import (
// This defines the maximum number of dhtInfo that we keep track of for nodes to query in an ongoing search.
const search_MAX_SEARCH_SIZE = 16
// This defines the time after which we send a new search packet.
// Search packets are sent automatically immediately after a response is received.
// So this allows for timeouts and for long searches to become increasingly parallel.
const search_RETRY_TIME = time.Second
// This defines the time after which we time out a search (so it can restart).
const search_RETRY_TIME = 3 * time.Second
// Information about an ongoing search.
// Includes the target NodeID, the bitmask to match it to an IP, and the list of nodes to visit / already visited.
@ -38,7 +35,7 @@ type searchInfo struct {
mask crypto.NodeID
time time.Time
toVisit []*dhtInfo
visited map[crypto.NodeID]bool
visited crypto.NodeID // Closest address visited so far
callback func(*sessionInfo, error)
// TODO context.Context for timeout and cancellation
}
@ -94,34 +91,20 @@ func (sinfo *searchInfo) handleDHTRes(res *dhtRes) {
func (sinfo *searchInfo) addToSearch(res *dhtRes) {
// Add responses to toVisit if closer to dest than the res node
from := dhtInfo{key: res.Key, coords: res.Coords}
sinfo.visited[*from.getNodeID()] = true
if dht_ordered(&sinfo.dest, from.getNodeID(), &sinfo.visited) {
// Closer to the destination, so update visited
sinfo.visited = *from.getNodeID()
}
for _, info := range res.Infos {
if *info.getNodeID() == sinfo.searches.router.dht.nodeID || sinfo.visited[*info.getNodeID()] {
if *info.getNodeID() == sinfo.visited {
// dht_ordered could return true here, but we want to skip it in this case
continue
}
if dht_ordered(&sinfo.dest, info.getNodeID(), from.getNodeID()) {
if dht_ordered(&sinfo.dest, info.getNodeID(), &sinfo.visited) {
// Response is closer to the destination
sinfo.toVisit = append(sinfo.toVisit, info)
}
}
// Deduplicate
vMap := make(map[crypto.NodeID]*dhtInfo)
for _, info := range sinfo.toVisit {
vMap[*info.getNodeID()] = info
}
sinfo.toVisit = sinfo.toVisit[:0]
for _, info := range vMap {
sinfo.toVisit = append(sinfo.toVisit, info)
}
// Sort
sort.SliceStable(sinfo.toVisit, func(i, j int) bool {
// Should return true if i is closer to the destination than j
return dht_ordered(&res.Dest, sinfo.toVisit[i].getNodeID(), sinfo.toVisit[j].getNodeID())
})
// Truncate to some maximum size
if len(sinfo.toVisit) > search_MAX_SEARCH_SIZE {
sinfo.toVisit = sinfo.toVisit[:search_MAX_SEARCH_SIZE]
}
}
// If there are no nodes left toVisit, then this cleans up the search.
@ -136,12 +119,13 @@ func (sinfo *searchInfo) doSearchStep() {
return
}
// Send to the next search target
var next *dhtInfo
next, sinfo.toVisit = sinfo.toVisit[0], sinfo.toVisit[1:]
rq := dhtReqKey{next.key, sinfo.dest}
sinfo.searches.router.dht.addCallback(&rq, sinfo.handleDHTRes)
sinfo.searches.router.dht.ping(next, &sinfo.dest)
sinfo.time = time.Now()
for _, next := range sinfo.toVisit {
rq := dhtReqKey{next.key, sinfo.dest}
sinfo.searches.router.dht.addCallback(&rq, sinfo.handleDHTRes)
sinfo.searches.router.dht.ping(next, &sinfo.dest)
sinfo.time = time.Now()
}
sinfo.toVisit = sinfo.toVisit[:0]
}
// If we've recently sent a ping for this search, do nothing.
@ -166,7 +150,7 @@ func (sinfo *searchInfo) continueSearch() {
// Calls create search, and initializes the iterative search parts of the struct before returning it.
func (s *searches) newIterSearch(dest *crypto.NodeID, mask *crypto.NodeID, callback func(*sessionInfo, error)) *searchInfo {
sinfo := s.createSearch(dest, mask, callback)
sinfo.visited = make(map[crypto.NodeID]bool)
sinfo.visited = s.router.dht.nodeID
loc := s.router.core.switchTable.getLocator()
sinfo.toVisit = append(sinfo.toVisit, &dhtInfo{
key: s.router.core.boxPub,