mirror of
https://github.com/yggdrasil-network/yggdrasil-go.git
synced 2025-04-28 14:15:06 +03:00
Try to convert TUN/TAP to use new yggdrasil.Conn, search masks are still broken
This commit is contained in:
Neil Alexander
parent
319366513c
commit
d01662c1fb
14 changed files with 502 additions and 366 deletions
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@ -10,7 +10,6 @@ import (
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"os/signal"
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"strings"
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"syscall"
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"time"
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"golang.org/x/text/encoding/unicode"
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@ -77,57 +76,44 @@ func readConfig(useconf *bool, useconffile *string, normaliseconf *bool) *nodeCo
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panic(err)
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}
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json.Unmarshal(confJson, &cfg)
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// For now we will do a little bit to help the user adjust their
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// configuration to match the new configuration format, as some of the key
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// names have changed recently.
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changes := map[string]string{
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"Multicast": "",
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"ReadTimeout": "",
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"LinkLocal": "MulticastInterfaces",
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"BoxPub": "EncryptionPublicKey",
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"BoxPriv": "EncryptionPrivateKey",
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"SigPub": "SigningPublicKey",
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"SigPriv": "SigningPrivateKey",
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"AllowedBoxPubs": "AllowedEncryptionPublicKeys",
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}
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// Loop over the mappings aove and see if we have anything to fix.
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for from, to := range changes {
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if _, ok := dat[from]; ok {
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if to == "" {
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if !*normaliseconf {
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log.Println("Warning: Config option", from, "is deprecated")
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}
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} else {
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if !*normaliseconf {
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log.Println("Warning: Config option", from, "has been renamed - please change to", to)
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}
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// If the configuration file doesn't already contain a line with the
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// new name then set it to the old value. This makes sure that we
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// don't overwrite something that was put there intentionally.
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if _, ok := dat[to]; !ok {
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dat[to] = dat[from]
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/*
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// For now we will do a little bit to help the user adjust their
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// configuration to match the new configuration format, as some of the key
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// names have changed recently.
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changes := map[string]string{
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"Multicast": "",
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"ReadTimeout": "",
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"LinkLocal": "MulticastInterfaces",
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"BoxPub": "EncryptionPublicKey",
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"BoxPriv": "EncryptionPrivateKey",
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"SigPub": "SigningPublicKey",
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"SigPriv": "SigningPrivateKey",
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"AllowedBoxPubs": "AllowedEncryptionPublicKeys",
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}
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// Loop over the mappings aove and see if we have anything to fix.
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for from, to := range changes {
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if _, ok := dat[from]; ok {
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if to == "" {
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if !*normaliseconf {
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log.Println("Warning: Config option", from, "is deprecated")
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}
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} else {
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if !*normaliseconf {
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log.Println("Warning: Config option", from, "has been renamed - please change to", to)
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}
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// If the configuration file doesn't already contain a line with the
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// new name then set it to the old value. This makes sure that we
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// don't overwrite something that was put there intentionally.
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if _, ok := dat[to]; !ok {
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dat[to] = dat[from]
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}
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}
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}
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}
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}
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// Check to see if the peers are in a parsable format, if not then default
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// them to the TCP scheme
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if peers, ok := dat["Peers"].([]interface{}); ok {
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for index, peer := range peers {
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uri := peer.(string)
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if strings.HasPrefix(uri, "tcp://") || strings.HasPrefix(uri, "socks://") {
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continue
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}
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if strings.HasPrefix(uri, "tcp:") {
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uri = uri[4:]
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}
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(dat["Peers"].([]interface{}))[index] = "tcp://" + uri
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}
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}
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// Now do the same with the interface peers
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if interfacepeers, ok := dat["InterfacePeers"].(map[string]interface{}); ok {
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for intf, peers := range interfacepeers {
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for index, peer := range peers.([]interface{}) {
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// Check to see if the peers are in a parsable format, if not then default
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// them to the TCP scheme
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if peers, ok := dat["Peers"].([]interface{}); ok {
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for index, peer := range peers {
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uri := peer.(string)
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if strings.HasPrefix(uri, "tcp://") || strings.HasPrefix(uri, "socks://") {
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continue
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@ -135,19 +121,34 @@ func readConfig(useconf *bool, useconffile *string, normaliseconf *bool) *nodeCo
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if strings.HasPrefix(uri, "tcp:") {
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uri = uri[4:]
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}
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((dat["InterfacePeers"].(map[string]interface{}))[intf]).([]interface{})[index] = "tcp://" + uri
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(dat["Peers"].([]interface{}))[index] = "tcp://" + uri
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}
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}
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}
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// Do a quick check for old-format Listen statement so that mapstructure
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// doesn't fail and crash
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if listen, ok := dat["Listen"].(string); ok {
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if strings.HasPrefix(listen, "tcp://") {
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dat["Listen"] = []string{listen}
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} else {
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dat["Listen"] = []string{"tcp://" + listen}
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// Now do the same with the interface peers
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if interfacepeers, ok := dat["InterfacePeers"].(map[string]interface{}); ok {
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for intf, peers := range interfacepeers {
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for index, peer := range peers.([]interface{}) {
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uri := peer.(string)
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if strings.HasPrefix(uri, "tcp://") || strings.HasPrefix(uri, "socks://") {
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continue
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}
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if strings.HasPrefix(uri, "tcp:") {
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uri = uri[4:]
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}
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((dat["InterfacePeers"].(map[string]interface{}))[intf]).([]interface{})[index] = "tcp://" + uri
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}
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}
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}
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}
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// Do a quick check for old-format Listen statement so that mapstructure
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// doesn't fail and crash
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if listen, ok := dat["Listen"].(string); ok {
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if strings.HasPrefix(listen, "tcp://") {
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dat["Listen"] = []string{listen}
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} else {
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dat["Listen"] = []string{"tcp://" + listen}
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}
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}
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*/
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// Overlay our newly mapped configuration onto the autoconf node config that
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// we generated above.
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if err = mapstructure.Decode(dat, &cfg); err != nil {
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@ -249,8 +250,6 @@ func main() {
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// Setup the Yggdrasil node itself. The node{} type includes a Core, so we
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// don't need to create this manually.
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n := node{}
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// Before we start the node, set the TUN/TAP to be our router adapter
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n.core.SetRouterAdapter(&n.tuntap)
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// Now start Yggdrasil - this starts the DHT, router, switch and other core
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// components needed for Yggdrasil to operate
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state, err := n.core.Start(cfg, logger)
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@ -263,72 +262,88 @@ func main() {
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if err := n.multicast.Start(); err != nil {
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logger.Errorln("An error occurred starting multicast:", err)
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}
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// Start the TUN/TAP interface
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if listener, err := n.core.ConnListen(); err == nil {
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if dialer, err := n.core.ConnDialer(); err == nil {
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logger.Println("Got listener", listener, "and dialer", dialer)
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n.tuntap.Init(state, logger, listener, dialer)
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if err := n.tuntap.Start(); err != nil {
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logger.Errorln("An error occurred starting TUN/TAP:", err)
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}
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} else {
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logger.Errorln("Unable to get Dialer:", err)
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}
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} else {
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logger.Errorln("Unable to get Listener:", err)
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}
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// The Stop function ensures that the TUN/TAP adapter is correctly shut down
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// before the program exits.
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defer func() {
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n.core.Stop()
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}()
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// Listen for new sessions
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go func() {
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listener, err := n.core.ListenConn()
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if err != nil {
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logger.Errorln("Unable to listen for sessions:", err)
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return
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}
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for {
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conn, err := listener.Accept()
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if err != nil {
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logger.Errorln("Accept:", err)
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continue
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}
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logger.Println("Accepted")
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for {
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b := make([]byte, 100)
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if n, err := conn.Read(b); err != nil {
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logger.Errorln("Read failed:", err)
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time.Sleep(time.Second * 2)
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} else {
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logger.Println("Read", n, "bytes:", b)
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b = []byte{5, 5, 5}
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if n, err := conn.Write(b); err != nil {
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logger.Errorln("Write failed:", err)
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time.Sleep(time.Second * 2)
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} else {
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logger.Println("Wrote", n, "bytes:", b)
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}
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}
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}
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}
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}()
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// Try creating new sessions
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go func() {
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if cfg.EncryptionPublicKey != "533574224115f835b7c7db6433986bc5aef855ff9c9568c01abeb0fbed3e8810" {
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return
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}
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time.Sleep(time.Second * 2)
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conn, err := n.core.Dial("nodeid", "9890e135604e8aa6039a909e40c629824d852042a70e51957d5b9d700195663d50552e8e869af132b4617d76f8ef00314d94cce23aa8d6b051b3b952a32a4966")
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if err != nil {
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logger.Errorln("Dial:", err)
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return
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}
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/*
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go func() {
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listener, err := n.core.ListenConn()
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if err != nil {
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logger.Errorln("Unable to listen for sessions:", err)
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return
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}
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for {
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time.Sleep(time.Second * 2)
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b := []byte{1, 2, 3, 4, 5}
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if n, err := conn.Write(b); err != nil {
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logger.Errorln("Write failed:", err)
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} else {
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logger.Println("Wrote", n, "bytes:", b)
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b = make([]byte, 100)
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conn, err := listener.Accept()
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if err != nil {
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logger.Errorln("Accept:", err)
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continue
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}
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logger.Println("Accepted")
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for {
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b := make([]byte, 100)
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if n, err := conn.Read(b); err != nil {
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logger.Errorln("Read failed:", err)
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time.Sleep(time.Second * 2)
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} else {
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logger.Println("Read", n, "bytes:", b)
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b = []byte{5, 5, 5}
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if n, err := conn.Write(b); err != nil {
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logger.Errorln("Write failed:", err)
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time.Sleep(time.Second * 2)
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} else {
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logger.Println("Wrote", n, "bytes:", b)
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}
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}
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}
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}
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}()
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}()
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// Try creating new sessions
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go func() {
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if cfg.EncryptionPublicKey != "533574224115f835b7c7db6433986bc5aef855ff9c9568c01abeb0fbed3e8810" {
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return
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}
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time.Sleep(time.Second * 2)
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conn, err := n.core.Dial("nodeid", "9890e135604e8aa6039a909e40c629824d852042a70e51957d5b9d700195663d50552e8e869af132b4617d76f8ef00314d94cce23aa8d6b051b3b952a32a4966")
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if err != nil {
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logger.Errorln("Dial:", err)
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return
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}
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go func() {
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for {
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time.Sleep(time.Second * 2)
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b := []byte{1, 2, 3, 4, 5}
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if n, err := conn.Write(b); err != nil {
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logger.Errorln("Write failed:", err)
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} else {
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logger.Println("Wrote", n, "bytes:", b)
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b = make([]byte, 100)
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if n, err := conn.Read(b); err != nil {
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logger.Errorln("Read failed:", err)
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} else {
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logger.Println("Read", n, "bytes:", b)
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}
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}
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}
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}()
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}()
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*/
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// Make some nice output that tells us what our IPv6 address and subnet are.
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// This is just logged to stdout for the user.
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address := n.core.Address()
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