mirror of
https://github.com/cwinfo/yggdrasil-go.git
synced 2024-11-10 06:20:26 +00:00
Make some API changes (currently broken)
This commit is contained in:
parent
a2966291b9
commit
37533f157d
@ -17,6 +17,7 @@ import (
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"github.com/yggdrasil-network/yggdrasil-go/src/address"
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"github.com/yggdrasil-network/yggdrasil-go/src/config"
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"github.com/yggdrasil-network/yggdrasil-go/src/crypto"
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"github.com/yggdrasil-network/yggdrasil-go/src/util"
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"github.com/yggdrasil-network/yggdrasil-go/src/yggdrasil"
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)
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@ -243,11 +244,28 @@ func (a *AdminSocket) Init(c *yggdrasil.Core, state *config.NodeState, log *log.
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}
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})
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a.AddHandler("dhtPing", []string{"box_pub_key", "coords", "[target]"}, func(in Info) (Info, error) {
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var reserr error
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var result yggdrasil.DHTRes
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if in["target"] == nil {
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in["target"] = "none"
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}
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result, err := a.core.DHTPing(in["box_pub_key"].(string), in["coords"].(string), in["target"].(string))
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if err == nil {
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coords := util.DecodeCoordString(in["coords"].(string))
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var boxPubKey crypto.BoxPubKey
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if b, err := hex.DecodeString(in["box_pub_key"].(string)); err == nil {
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copy(boxPubKey[:], b[:])
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if n, err := hex.DecodeString(in["target"].(string)); err == nil {
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var targetNodeID crypto.NodeID
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copy(targetNodeID[:], n[:])
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result, reserr = a.core.DHTPing(boxPubKey, coords, &targetNodeID)
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} else {
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result, reserr = a.core.DHTPing(boxPubKey, coords, nil)
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}
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} else {
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return Info{}, err
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}
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if reserr != nil {
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return Info{}, reserr
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}
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infos := make(map[string]map[string]string, len(result.Infos))
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for _, dinfo := range result.Infos {
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info := map[string]string{
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@ -258,16 +276,14 @@ func (a *AdminSocket) Init(c *yggdrasil.Core, state *config.NodeState, log *log.
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infos[addr] = info
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}
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return Info{"nodes": infos}, nil
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} else {
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return Info{}, err
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}
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})
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a.AddHandler("getNodeInfo", []string{"[box_pub_key]", "[coords]", "[nocache]"}, func(in Info) (Info, error) {
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var nocache bool
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if in["nocache"] != nil {
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nocache = in["nocache"].(string) == "true"
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}
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var box_pub_key, coords string
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var box_pub_key string
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var coords []uint64
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if in["box_pub_key"] == nil && in["coords"] == nil {
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nodeinfo := a.core.MyNodeInfo()
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var jsoninfo interface{}
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@ -280,7 +296,7 @@ func (a *AdminSocket) Init(c *yggdrasil.Core, state *config.NodeState, log *log.
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return Info{}, errors.New("Expecting both box_pub_key and coords")
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} else {
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box_pub_key = in["box_pub_key"].(string)
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coords = in["coords"].(string)
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coords = util.DecodeCoordString(in["coords"].(string))
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}
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result, err := a.core.GetNodeInfo(box_pub_key, coords, nocache)
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if err == nil {
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@ -2,9 +2,13 @@ package util
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// These are misc. utility functions that didn't really fit anywhere else
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import "runtime"
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import "sync"
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import "time"
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import (
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"runtime"
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"strconv"
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"strings"
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"sync"
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"time"
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)
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// A wrapper around runtime.Gosched() so it doesn't need to be imported elsewhere.
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func Yield() {
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@ -91,3 +95,16 @@ func Difference(a, b []string) []string {
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}
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return ab
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}
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// DecodeCoordString decodes a string representing coordinates in [1 2 3] format
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// and returns a []byte.
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func DecodeCoordString(in string) (out []uint64) {
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s := strings.Trim(in, "[]")
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t := strings.Split(s, " ")
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for _, a := range t {
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if u, err := strconv.ParseUint(a, 0, 64); err == nil {
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out = append(out, u)
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}
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}
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return out
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}
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@ -6,8 +6,6 @@ import (
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"fmt"
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"net"
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"sort"
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"strconv"
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"strings"
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"sync/atomic"
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"time"
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@ -46,14 +44,14 @@ type SwitchPeer struct {
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// DHT searches.
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type DHTEntry struct {
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PublicKey crypto.BoxPubKey
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Coords []byte
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Coords []uint64
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LastSeen time.Duration
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}
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// DHTRes represents a DHT response, as returned by DHTPing.
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type DHTRes struct {
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PublicKey crypto.BoxPubKey // key of the sender
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Coords []byte // coords of the sender
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Coords []uint64 // coords of the sender
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Dest crypto.NodeID // the destination node ID
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Infos []DHTEntry // response
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}
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@ -166,7 +164,7 @@ func (c *Core) GetDHT() []DHTEntry {
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})
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for _, v := range dhtentry {
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info := DHTEntry{
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Coords: append([]byte{}, v.coords...),
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Coords: append([]uint64{}, coordsBytestoUint64s(v.coords)...),
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LastSeen: now.Sub(v.recv),
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}
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copy(info.PublicKey[:], v.key[:])
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@ -346,30 +344,7 @@ func (c *Core) SetNodeInfo(nodeinfo interface{}, nodeinfoprivacy bool) {
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// key and coordinates specified. The third parameter specifies whether a cached
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// result is acceptable - this results in less traffic being generated than is
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// necessary when, e.g. crawling the network.
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func (c *Core) GetNodeInfo(keyString, coordString string, nocache bool) (NodeInfoPayload, error) {
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var key crypto.BoxPubKey
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if keyBytes, err := hex.DecodeString(keyString); err != nil {
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return NodeInfoPayload{}, err
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} else {
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copy(key[:], keyBytes)
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}
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if !nocache {
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if response, err := c.router.nodeinfo.getCachedNodeInfo(key); err == nil {
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return response, nil
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}
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}
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var coords []byte
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for _, cstr := range strings.Split(strings.Trim(coordString, "[]"), " ") {
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if cstr == "" {
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// Special case, happens if trimmed is the empty string, e.g. this is the root
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continue
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}
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if u64, err := strconv.ParseUint(cstr, 10, 8); err != nil {
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return NodeInfoPayload{}, err
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} else {
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coords = append(coords, uint8(u64))
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}
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}
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func (c *Core) GetNodeInfo(key crypto.BoxPubKey, coords []byte, nocache bool) (NodeInfoPayload, error) {
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response := make(chan *NodeInfoPayload, 1)
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sendNodeInfoRequest := func() {
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c.router.nodeinfo.addCallback(key, func(nodeinfo *NodeInfoPayload) {
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@ -389,7 +364,7 @@ func (c *Core) GetNodeInfo(keyString, coordString string, nocache bool) (NodeInf
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for res := range response {
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return *res, nil
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}
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return NodeInfoPayload{}, fmt.Errorf("getNodeInfo timeout: %s", keyString)
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return NodeInfoPayload{}, fmt.Errorf("getNodeInfo timeout: %s", hex.EncodeToString(key[:]))
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}
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// SetSessionGatekeeper allows you to configure a handler function for deciding
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@ -477,64 +452,38 @@ func (c *Core) RemoveAllowedEncryptionPublicKey(bstr string) (err error) {
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// DHTPing sends a DHT ping to the node with the provided key and coords,
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// optionally looking up the specified target NodeID.
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func (c *Core) DHTPing(keyString, coordString, targetString string) (DHTRes, error) {
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var key crypto.BoxPubKey
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if keyBytes, err := hex.DecodeString(keyString); err != nil {
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return DHTRes{}, err
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} else {
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copy(key[:], keyBytes)
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}
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var coords []byte
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for _, cstr := range strings.Split(strings.Trim(coordString, "[]"), " ") {
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if cstr == "" {
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// Special case, happens if trimmed is the empty string, e.g. this is the root
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continue
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}
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if u64, err := strconv.ParseUint(cstr, 10, 8); err != nil {
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return DHTRes{}, err
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} else {
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coords = append(coords, uint8(u64))
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}
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}
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func (c *Core) DHTPing(key crypto.BoxPubKey, coords []uint64, target *crypto.NodeID) (DHTRes, error) {
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resCh := make(chan *dhtRes, 1)
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info := dhtInfo{
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key: key,
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coords: coords,
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coords: coordsUint64stoBytes(coords),
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}
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target := *info.getNodeID()
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if targetString == "none" {
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// Leave the default target in place
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} else if targetBytes, err := hex.DecodeString(targetString); err != nil {
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return DHTRes{}, err
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} else if len(targetBytes) != len(target) {
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return DHTRes{}, errors.New("Incorrect target NodeID length")
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} else {
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var target crypto.NodeID
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copy(target[:], targetBytes)
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if target == nil {
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target = info.getNodeID()
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}
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rq := dhtReqKey{info.key, target}
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rq := dhtReqKey{info.key, *target}
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sendPing := func() {
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c.dht.addCallback(&rq, func(res *dhtRes) {
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resCh <- res
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})
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c.dht.ping(&info, &target)
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c.dht.ping(&info, &rq.dest)
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}
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c.router.doAdmin(sendPing)
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// TODO: do something better than the below...
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res := <-resCh
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if res != nil {
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r := DHTRes{
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Coords: append([]byte{}, res.Coords...),
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Coords: append([]uint64{}, coordsBytestoUint64s(res.Coords)...),
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}
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copy(r.PublicKey[:], res.Key[:])
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for _, i := range res.Infos {
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e := DHTEntry{
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Coords: append([]byte{}, i.coords...),
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Coords: append([]uint64{}, coordsBytestoUint64s(i.coords)...),
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}
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copy(e.PublicKey[:], i.key[:])
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r.Infos = append(r.Infos, e)
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}
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return r, nil
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}
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return DHTRes{}, fmt.Errorf("DHT ping timeout: %s", keyString)
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return DHTRes{}, fmt.Errorf("DHT ping timeout: %s", hex.EncodeToString(key[:]))
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}
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@ -137,6 +137,27 @@ type peerInfo struct {
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// This is just a uint64 with a named type for clarity reasons.
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type switchPort uint64
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func coordsUint64stoBytes(in []uint64) (out []byte) {
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for _, coord := range in {
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c := wire_encode_uint64(coord)
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out = append(out, c...)
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}
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return out
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}
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func coordsBytestoUint64s(in []byte) (out []uint64) {
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offset := 0
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for {
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coord, length := wire_decode_uint64(in[offset:])
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if length == 0 {
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break
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}
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out = append(out, coord)
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offset += length
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}
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return out
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}
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// This is the subset of the information about a peer needed to make routing decisions, and it stored separately in an atomically accessed table, which gets hammered in the "hot loop" of the routing logic (see: peer.handleTraffic in peers.go).
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type tableElem struct {
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port switchPort
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