Neil f788a18bef
Measure RTT, report in getPeers (#1143)
Co-authored-by: Neil Alexander <neilalexander@users.noreply.github.com>
2024-05-30 22:46:06 +01:00

253 lines
6.6 KiB
Go

package core
import (
"crypto/ed25519"
"encoding/json"
"net"
"net/url"
"sync/atomic"
"time"
"github.com/Arceliar/phony"
"github.com/Arceliar/ironwood/network"
"github.com/yggdrasil-network/yggdrasil-go/src/address"
)
type SelfInfo struct {
Key ed25519.PublicKey
RoutingEntries uint64
}
type PeerInfo struct {
URI string
Up bool
Inbound bool
LastError error
LastErrorTime time.Time
Key ed25519.PublicKey
Root ed25519.PublicKey
Coords []uint64
Port uint64
Priority uint8
RXBytes uint64
TXBytes uint64
Uptime time.Duration
Latency time.Duration
}
type TreeEntryInfo struct {
Key ed25519.PublicKey
Parent ed25519.PublicKey
Sequence uint64
//Port uint64
//Rest uint64
}
type PathEntryInfo struct {
Key ed25519.PublicKey
Path []uint64
Sequence uint64
}
type SessionInfo struct {
Key ed25519.PublicKey
RXBytes uint64
TXBytes uint64
Uptime time.Duration
}
func (c *Core) GetSelf() SelfInfo {
var self SelfInfo
s := c.PacketConn.PacketConn.Debug.GetSelf()
self.Key = s.Key
self.RoutingEntries = s.RoutingEntries
return self
}
func (c *Core) GetPeers() []PeerInfo {
peers := []PeerInfo{}
conns := map[net.Conn]network.DebugPeerInfo{}
iwpeers := c.PacketConn.PacketConn.Debug.GetPeers()
for _, p := range iwpeers {
conns[p.Conn] = p
}
phony.Block(&c.links, func() {
for info, state := range c.links._links {
var peerinfo PeerInfo
var conn net.Conn
peerinfo.URI = info.uri
peerinfo.LastError = state._err
peerinfo.LastErrorTime = state._errtime
if c := state._conn; c != nil {
conn = c
peerinfo.Up = true
peerinfo.Inbound = state.linkType == linkTypeIncoming
peerinfo.RXBytes = atomic.LoadUint64(&c.rx)
peerinfo.TXBytes = atomic.LoadUint64(&c.tx)
peerinfo.Uptime = time.Since(c.up)
}
if p, ok := conns[conn]; ok {
peerinfo.Key = p.Key
peerinfo.Root = p.Root
peerinfo.Port = p.Port
peerinfo.Priority = p.Priority
peerinfo.Latency = p.Latency
}
peers = append(peers, peerinfo)
}
})
return peers
}
func (c *Core) GetTree() []TreeEntryInfo {
var trees []TreeEntryInfo
ts := c.PacketConn.PacketConn.Debug.GetTree()
for _, t := range ts {
var info TreeEntryInfo
info.Key = t.Key
info.Parent = t.Parent
info.Sequence = t.Sequence
//info.Port = d.Port
//info.Rest = d.Rest
trees = append(trees, info)
}
return trees
}
func (c *Core) GetPaths() []PathEntryInfo {
var paths []PathEntryInfo
ps := c.PacketConn.PacketConn.Debug.GetPaths()
for _, p := range ps {
var info PathEntryInfo
info.Key = p.Key
info.Sequence = p.Sequence
info.Path = p.Path
paths = append(paths, info)
}
return paths
}
func (c *Core) GetSessions() []SessionInfo {
var sessions []SessionInfo
ss := c.PacketConn.Debug.GetSessions()
for _, s := range ss {
var info SessionInfo
info.Key = s.Key
info.RXBytes = s.RX
info.TXBytes = s.TX
info.Uptime = s.Uptime
sessions = append(sessions, info)
}
return sessions
}
// Listen starts a new listener (either TCP or TLS). The input should be a url.URL
// parsed from a string of the form e.g. "tcp://a.b.c.d:e". In the case of a
// link-local address, the interface should be provided as the second argument.
func (c *Core) Listen(u *url.URL, sintf string) (*Listener, error) {
return c.links.listen(u, sintf)
}
// Address gets the IPv6 address of the Yggdrasil node. This is always a /128
// address. The IPv6 address is only relevant when the node is operating as an
// IP router and often is meaningless when embedded into an application, unless
// that application also implements either VPN functionality or deals with IP
// packets specifically.
func (c *Core) Address() net.IP {
addr := net.IP(address.AddrForKey(c.public)[:])
return addr
}
// Subnet gets the routed IPv6 subnet of the Yggdrasil node. This is always a
// /64 subnet. The IPv6 subnet is only relevant when the node is operating as an
// IP router and often is meaningless when embedded into an application, unless
// that application also implements either VPN functionality or deals with IP
// packets specifically.
func (c *Core) Subnet() net.IPNet {
subnet := address.SubnetForKey(c.public)[:]
subnet = append(subnet, 0, 0, 0, 0, 0, 0, 0, 0)
return net.IPNet{IP: subnet, Mask: net.CIDRMask(64, 128)}
}
// SetLogger sets the output logger of the Yggdrasil node after startup. This
// may be useful if you want to redirect the output later. Note that this
// expects a Logger from the github.com/gologme/log package and not from Go's
// built-in log package.
func (c *Core) SetLogger(log Logger) {
c.log = log
}
// AddPeer adds a peer. This should be specified in the peer URI format, e.g.:
//
// tcp://a.b.c.d:e
// socks://a.b.c.d:e/f.g.h.i:j
//
// This adds the peer to the peer list, so that they will be called again if the
// connection drops.
func (c *Core) AddPeer(u *url.URL, sintf string) error {
return c.links.add(u, sintf, linkTypePersistent)
}
// RemovePeer removes a peer. The peer should be specified in URI format, see AddPeer.
// The peer is not disconnected immediately.
func (c *Core) RemovePeer(u *url.URL, sintf string) error {
return c.links.remove(u, sintf, linkTypePersistent)
}
// CallPeer calls a peer once. This should be specified in the peer URI format,
// e.g.:
//
// tcp://a.b.c.d:e
// socks://a.b.c.d:e/f.g.h.i:j
//
// This does not add the peer to the peer list, so if the connection drops, the
// peer will not be called again automatically.
func (c *Core) CallPeer(u *url.URL, sintf string) error {
return c.links.add(u, sintf, linkTypeEphemeral)
}
func (c *Core) PublicKey() ed25519.PublicKey {
return c.public
}
// Hack to get the admin stuff working, TODO something cleaner
type AddHandler interface {
AddHandler(name, desc string, args []string, handlerfunc AddHandlerFunc) error
}
type AddHandlerFunc func(json.RawMessage) (interface{}, error)
// SetAdmin must be called after Init and before Start.
// It sets the admin handler for NodeInfo and the Debug admin functions.
func (c *Core) SetAdmin(a AddHandler) error {
if err := a.AddHandler(
"getNodeInfo", "Request nodeinfo from a remote node by its public key", []string{"key"},
c.proto.nodeinfo.nodeInfoAdminHandler,
); err != nil {
return err
}
if err := a.AddHandler(
"debug_remoteGetSelf", "Debug use only", []string{"key"},
c.proto.getSelfHandler,
); err != nil {
return err
}
if err := a.AddHandler(
"debug_remoteGetPeers", "Debug use only", []string{"key"},
c.proto.getPeersHandler,
); err != nil {
return err
}
if err := a.AddHandler(
"debug_remoteGetTree", "Debug use only", []string{"key"},
c.proto.getTreeHandler,
); err != nil {
return err
}
return nil
}