mirror of
https://github.com/cwinfo/yggdrasil-go.git
synced 2024-11-24 06:41:35 +00:00
276 lines
6.9 KiB
Go
276 lines
6.9 KiB
Go
package main
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import (
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"bytes"
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"encoding/json"
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"errors"
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"flag"
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"fmt"
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"log"
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"net"
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"net/url"
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"os"
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"strings"
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"time"
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"github.com/olekukonko/tablewriter"
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"github.com/yggdrasil-network/yggdrasil-go/src/admin"
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"github.com/yggdrasil-network/yggdrasil-go/src/core"
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"github.com/yggdrasil-network/yggdrasil-go/src/multicast"
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"github.com/yggdrasil-network/yggdrasil-go/src/tun"
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"github.com/yggdrasil-network/yggdrasil-go/src/version"
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)
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func main() {
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// makes sure we can use defer and still return an error code to the OS
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os.Exit(run())
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}
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func run() int {
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logbuffer := &bytes.Buffer{}
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logger := log.New(logbuffer, "", log.Flags())
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defer func() int {
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if r := recover(); r != nil {
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logger.Println("Fatal error:", r)
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fmt.Print(logbuffer)
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return 1
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}
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return 0
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}()
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cmdLineEnv := newCmdLineEnv()
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cmdLineEnv.parseFlagsAndArgs()
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if cmdLineEnv.ver {
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fmt.Println("Build name:", version.BuildName())
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fmt.Println("Build version:", version.BuildVersion())
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fmt.Println("To get the version number of the running Yggdrasil node, run", os.Args[0], "getSelf")
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return 0
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}
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if len(cmdLineEnv.args) == 0 {
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flag.Usage()
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return 0
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}
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cmdLineEnv.setEndpoint(logger)
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var conn net.Conn
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u, err := url.Parse(cmdLineEnv.endpoint)
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if err == nil {
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switch strings.ToLower(u.Scheme) {
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case "unix":
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logger.Println("Connecting to UNIX socket", cmdLineEnv.endpoint[7:])
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conn, err = net.Dial("unix", cmdLineEnv.endpoint[7:])
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case "tcp":
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logger.Println("Connecting to TCP socket", u.Host)
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conn, err = net.Dial("tcp", u.Host)
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default:
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logger.Println("Unknown protocol or malformed address - check your endpoint")
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err = errors.New("protocol not supported")
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}
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} else {
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logger.Println("Connecting to TCP socket", u.Host)
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conn, err = net.Dial("tcp", cmdLineEnv.endpoint)
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}
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if err != nil {
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panic(err)
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}
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logger.Println("Connected")
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defer conn.Close()
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decoder := json.NewDecoder(conn)
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encoder := json.NewEncoder(conn)
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send := &admin.AdminSocketRequest{}
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recv := &admin.AdminSocketResponse{}
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for c, a := range cmdLineEnv.args {
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if c == 0 {
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if strings.HasPrefix(a, "-") {
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logger.Printf("Ignoring flag %s as it should be specified before other parameters\n", a)
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continue
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}
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logger.Printf("Sending request: %v\n", a)
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send.Name = a
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continue
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}
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tokens := strings.SplitN(a, "=", 1)
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switch {
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case len(tokens) == 1:
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panic("incomplete argument supplied")
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default:
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send.Arguments[tokens[0]] = tokens[1]
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}
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}
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if err := encoder.Encode(&send); err != nil {
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panic(err)
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}
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logger.Printf("Request sent")
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if err := decoder.Decode(&recv); err != nil {
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panic(err)
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}
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if recv.Status == "error" {
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if err := recv.Error; err != "" {
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fmt.Println("Admin socket returned an error:", err)
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} else {
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fmt.Println("Admin socket returned an error but didn't specify any error text")
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}
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return 1
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}
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if cmdLineEnv.injson {
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if json, err := json.MarshalIndent(recv.Response, "", " "); err == nil {
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fmt.Println(string(json))
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}
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return 0
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}
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table := tablewriter.NewWriter(os.Stdout)
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table.SetAlignment(tablewriter.ALIGN_LEFT)
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table.SetAutoFormatHeaders(false)
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table.SetCenterSeparator("")
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table.SetColumnSeparator("")
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table.SetRowSeparator("")
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table.SetHeaderLine(false)
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table.SetBorder(false)
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table.SetTablePadding("\t") // pad with tabs
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table.SetNoWhiteSpace(true)
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table.SetAutoWrapText(false)
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switch strings.ToLower(recv.Request.Name) {
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case "list":
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var resp admin.ListResponse
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if err := json.Unmarshal(recv.Response, &resp); err != nil {
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panic(err)
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}
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table.SetHeader([]string{"Command", "Arguments", "Description"})
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for _, entry := range resp.List {
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for i := range entry.Fields {
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entry.Fields[i] = entry.Fields[i] + "=..."
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}
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table.Append([]string{entry.Command, strings.Join(entry.Fields, ", "), entry.Description})
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}
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table.Render()
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case "getself":
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var resp admin.GetSelfResponse
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if err := json.Unmarshal(recv.Response, &resp); err != nil {
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panic(err)
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}
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table.Append([]string{"Build name:", resp.BuildName})
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table.Append([]string{"Build version:", resp.BuildVersion})
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table.Append([]string{"IPv6 address:", resp.IPAddress})
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table.Append([]string{"IPv6 subnet:", resp.Subnet})
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table.Append([]string{"Coordinates:", fmt.Sprintf("%v", resp.Coords)})
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table.Append([]string{"Public key:", resp.PublicKey})
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table.Render()
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case "getpeers":
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var resp admin.GetPeersResponse
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if err := json.Unmarshal(recv.Response, &resp); err != nil {
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panic(err)
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}
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table.SetHeader([]string{"Port", "Public Key", "IP Address", "Peering URI", "Uptime", "RX", "TX"})
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for _, peer := range resp.Peers {
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table.Append([]string{
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fmt.Sprintf("%d", peer.Port),
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peer.PublicKey,
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peer.IPAddress,
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peer.Remote,
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(time.Duration(peer.Uptime) * time.Second).String(),
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peer.RXBytes.String(),
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peer.TXBytes.String(),
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})
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}
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table.Render()
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case "getdht":
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var resp admin.GetDHTResponse
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if err := json.Unmarshal(recv.Response, &resp); err != nil {
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panic(err)
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}
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table.SetHeader([]string{"Public Key", "IP Address", "Port", "Rest"})
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for _, dht := range resp.DHT {
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table.Append([]string{
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dht.PublicKey,
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dht.IPAddress,
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fmt.Sprintf("%d", dht.Port),
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fmt.Sprintf("%d", dht.Rest),
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})
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}
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table.Render()
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case "getpaths":
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var resp admin.GetPathsResponse
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if err := json.Unmarshal(recv.Response, &resp); err != nil {
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panic(err)
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}
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table.SetHeader([]string{"Public Key", "IP Address", "Path"})
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for _, p := range resp.Paths {
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table.Append([]string{
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p.PublicKey,
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p.IPAddress,
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fmt.Sprintf("%v", p.Path),
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})
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}
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table.Render()
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case "getsessions":
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var resp admin.GetSessionsResponse
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if err := json.Unmarshal(recv.Response, &resp); err != nil {
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panic(err)
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}
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table.SetHeader([]string{"Public Key", "IP Address", "Uptime", "RX", "TX"})
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for _, p := range resp.Sessions {
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table.Append([]string{
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p.PublicKey,
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p.IPAddress,
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(time.Duration(p.Uptime) * time.Second).String(),
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p.RXBytes.String(),
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p.TXBytes.String(),
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})
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}
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table.Render()
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case "getnodeinfo":
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var resp core.GetNodeInfoResponse
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if err := json.Unmarshal(recv.Response, &resp); err != nil {
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panic(err)
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}
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for _, v := range resp {
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fmt.Println(string(v))
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break
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}
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case "getmulticastinterfaces":
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var resp multicast.GetMulticastInterfacesResponse
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if err := json.Unmarshal(recv.Response, &resp); err != nil {
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panic(err)
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}
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table.SetHeader([]string{"Interface"})
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for _, p := range resp.Interfaces {
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table.Append([]string{p})
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}
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table.Render()
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case "gettun":
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var resp tun.GetTUNResponse
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if err := json.Unmarshal(recv.Response, &resp); err != nil {
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panic(err)
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}
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table.Append([]string{"TUN enabled:", fmt.Sprintf("%#v", resp.Enabled)})
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if resp.Enabled {
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table.Append([]string{"Interface name:", resp.Name})
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table.Append([]string{"Interface MTU:", fmt.Sprintf("%d", resp.MTU)})
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}
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table.Render()
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default:
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fmt.Println(string(recv.Response))
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}
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return 0
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}
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