feat:KCP协议
This commit is contained in:
nnbcccscdscdsc
86
cmd/kcppeer/interactive.go
Normal file
86
cmd/kcppeer/interactive.go
Normal file
@@ -0,0 +1,86 @@
|
||||
package main
|
||||
|
||||
import (
|
||||
"errors"
|
||||
"fmt"
|
||||
"io"
|
||||
"strings"
|
||||
)
|
||||
|
||||
const (
|
||||
kcpInteractiveCommandHelp = "help"
|
||||
kcpInteractiveCommandQuit = "quit"
|
||||
kcpInteractiveCommandText = "text"
|
||||
kcpInteractiveCommandFile = "file"
|
||||
)
|
||||
|
||||
var errKCPEmptyInteractiveCommand = errors.New("interactive command is empty")
|
||||
|
||||
type kcpInteractiveCommand struct {
|
||||
name string
|
||||
to string
|
||||
value string
|
||||
}
|
||||
|
||||
func parseKCPInteractiveCommand(line string) (kcpInteractiveCommand, error) {
|
||||
commandName, rest, ok := cutKCPInteractiveField(strings.TrimSpace(line))
|
||||
if !ok {
|
||||
return kcpInteractiveCommand{}, errKCPEmptyInteractiveCommand
|
||||
}
|
||||
|
||||
switch strings.ToLower(commandName) {
|
||||
case "help", "h", "?":
|
||||
return kcpInteractiveCommand{name: kcpInteractiveCommandHelp}, nil
|
||||
case "quit", "exit":
|
||||
return kcpInteractiveCommand{name: kcpInteractiveCommandQuit}, nil
|
||||
case kcpInteractiveCommandText:
|
||||
to, body, err := parseKCPInteractiveTargetValue(rest, kcpInteractiveCommandText)
|
||||
if err != nil {
|
||||
return kcpInteractiveCommand{}, err
|
||||
}
|
||||
return kcpInteractiveCommand{name: kcpInteractiveCommandText, to: to, value: body}, nil
|
||||
case kcpInteractiveCommandFile:
|
||||
to, path, err := parseKCPInteractiveTargetValue(rest, kcpInteractiveCommandFile)
|
||||
if err != nil {
|
||||
return kcpInteractiveCommand{}, err
|
||||
}
|
||||
return kcpInteractiveCommand{name: kcpInteractiveCommandFile, to: to, value: path}, nil
|
||||
default:
|
||||
return kcpInteractiveCommand{}, fmt.Errorf("unknown command %q; type help for usage", commandName)
|
||||
}
|
||||
}
|
||||
|
||||
func parseKCPInteractiveTargetValue(rest, commandName string) (string, string, error) {
|
||||
to, value, ok := cutKCPInteractiveField(strings.TrimSpace(rest))
|
||||
if !ok {
|
||||
return "", "", fmt.Errorf("%s command requires a target peer and payload", commandName)
|
||||
}
|
||||
if strings.TrimSpace(value) == "" {
|
||||
return "", "", fmt.Errorf("%s command requires a non-empty payload", commandName)
|
||||
}
|
||||
|
||||
return to, strings.TrimSpace(value), nil
|
||||
}
|
||||
|
||||
func cutKCPInteractiveField(input string) (string, string, bool) {
|
||||
trimmed := strings.TrimSpace(input)
|
||||
if trimmed == "" {
|
||||
return "", "", false
|
||||
}
|
||||
|
||||
for i, r := range trimmed {
|
||||
if r == ' ' || r == '\t' {
|
||||
return trimmed[:i], strings.TrimSpace(trimmed[i+1:]), true
|
||||
}
|
||||
}
|
||||
|
||||
return trimmed, "", true
|
||||
}
|
||||
|
||||
func printKCPInteractiveHelp(w io.Writer) {
|
||||
_, _ = fmt.Fprintln(w, "interactive mode commands (KCP):")
|
||||
_, _ = fmt.Fprintln(w, " help show this help")
|
||||
_, _ = fmt.Fprintln(w, " text <peer> <message> send one text message over the existing KCP session")
|
||||
_, _ = fmt.Fprintln(w, " file <peer> <path> send one file over the existing KCP session")
|
||||
_, _ = fmt.Fprintln(w, " quit exit this peer process")
|
||||
}
|
||||
188
cmd/kcppeer/main.go
Normal file
188
cmd/kcppeer/main.go
Normal file
@@ -0,0 +1,188 @@
|
||||
package main
|
||||
|
||||
import (
|
||||
"bufio"
|
||||
"flag"
|
||||
"fmt"
|
||||
"io"
|
||||
"log"
|
||||
"os"
|
||||
|
||||
"omnisocketgo/cmd/internal/latencylog"
|
||||
peerpkg "omnisocketgo/cmd/internal/peer"
|
||||
"omnisocketgo/cmd/internal/protocol"
|
||||
"omnisocketgo/cmd/internal/transport"
|
||||
)
|
||||
|
||||
func main() {
|
||||
peerID := flag.String("id", "peer-a", "peer identity")
|
||||
serverAddr := flag.String("server", "127.0.0.1:9002", "KCP server address")
|
||||
targetPeer := flag.String("to", "", "optional target peer for one outgoing message")
|
||||
text := flag.String("text", "", "optional text to send after connecting")
|
||||
filePath := flag.String("file", "", "optional file path to send after connecting")
|
||||
bindIP := flag.String("bind-ip", "", "optional local source IP used when dialing the server")
|
||||
bindDevice := flag.String("bind-device", "", "optional Linux network device used when dialing the server")
|
||||
inboxDir := flag.String("inbox-dir", "inbox", "directory used to persist received text and file messages")
|
||||
logPath := flag.String("latency-log", "", "optional JSONL file path for latency timestamp logs")
|
||||
kcpTimestampDebugLogPath := flag.String("kcp-ts-debug-log", "", "optional JSONL file path for KCP packet kernel timestamp debug records")
|
||||
interactive := flag.Bool("interactive", true, "enable interactive REPL for repeated text/file sends on the same connection")
|
||||
flag.Parse()
|
||||
|
||||
clientOptions := make([]peerpkg.Option, 0, 5)
|
||||
if *logPath != "" {
|
||||
logger, err := latencylog.NewJSONLLogger(*logPath)
|
||||
if err != nil {
|
||||
log.Fatalf("create latency logger %s: %v", *logPath, err)
|
||||
}
|
||||
defer logger.Close()
|
||||
clientOptions = append(clientOptions, peerpkg.WithLogger(logger))
|
||||
}
|
||||
if *kcpTimestampDebugLogPath != "" {
|
||||
logger, err := transport.NewJSONLKCPPacketDebugLogger(*kcpTimestampDebugLogPath)
|
||||
if err != nil {
|
||||
log.Fatalf("create kcp packet debug logger %s: %v", *kcpTimestampDebugLogPath, err)
|
||||
}
|
||||
defer logger.Close()
|
||||
clientOptions = append(clientOptions, peerpkg.WithKCPPacketDebugLogger(logger))
|
||||
}
|
||||
if *bindIP != "" {
|
||||
clientOptions = append(clientOptions, peerpkg.WithBindIP(*bindIP))
|
||||
}
|
||||
if *bindDevice != "" {
|
||||
clientOptions = append(clientOptions, peerpkg.WithBindDevice(*bindDevice))
|
||||
}
|
||||
|
||||
client, err := peerpkg.DialKCP(*serverAddr, *peerID, clientOptions...)
|
||||
if err != nil {
|
||||
log.Fatalf("dial kcp server %s: %v", *serverAddr, err)
|
||||
}
|
||||
defer client.Close()
|
||||
|
||||
log.Printf("connected to %s as %s (KCP)", *serverAddr, client.ID())
|
||||
|
||||
receiveErr := make(chan error, 1)
|
||||
go func() {
|
||||
receiveErr <- client.ReceiveLoop(func(msg protocol.Message) error {
|
||||
switch msg.Type {
|
||||
case protocol.MessageTypeText:
|
||||
path, err := client.PersistMessage(msg, *inboxDir)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
log.Printf("received text from %s to %s and persisted to %s", msg.From, msg.To, path)
|
||||
case protocol.MessageTypeFile:
|
||||
path, err := client.PersistMessage(msg, *inboxDir)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
log.Printf("received file from %s to %s: %s (%d bytes) -> %s", msg.From, msg.To, msg.FileName, len(msg.Body), path)
|
||||
case protocol.MessageTypeError:
|
||||
log.Printf("received %s from %s to %s: %s", msg.Type, msg.From, msg.To, string(msg.Body))
|
||||
default:
|
||||
log.Printf("received unexpected message type %s from %s", msg.Type, msg.From)
|
||||
}
|
||||
return nil
|
||||
})
|
||||
}()
|
||||
|
||||
if *text != "" && *filePath != "" {
|
||||
log.Fatal("only one of -text or -file may be specified")
|
||||
}
|
||||
if (*text != "" || *filePath != "") && *targetPeer == "" {
|
||||
log.Fatal("flag -to is required when sending text or file")
|
||||
}
|
||||
|
||||
if *targetPeer != "" && *text != "" {
|
||||
if err := client.SendText(*targetPeer, *text); err != nil {
|
||||
log.Fatalf("send text to %s: %v", *targetPeer, err)
|
||||
}
|
||||
log.Printf("sent text to %s", *targetPeer)
|
||||
}
|
||||
if *targetPeer != "" && *filePath != "" {
|
||||
if err := client.SendFilePath(*targetPeer, *filePath); err != nil {
|
||||
log.Fatalf("send file %s to %s: %v", *filePath, *targetPeer, err)
|
||||
}
|
||||
log.Printf("sent file %s to %s", *filePath, *targetPeer)
|
||||
}
|
||||
|
||||
if *interactive {
|
||||
if err := runKCPInteractiveShell(client, os.Stdin, os.Stdout, receiveErr); err != nil {
|
||||
log.Printf("interactive shell ended: %v", err)
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
if err := <-receiveErr; err != nil {
|
||||
log.Printf("receive loop ended: %v", err)
|
||||
}
|
||||
}
|
||||
|
||||
func runKCPInteractiveShell(client *peerpkg.KCPClient, in io.Reader, out io.Writer, receiveErr <-chan error) error {
|
||||
printKCPInteractiveHelp(out)
|
||||
lines, inputErr := readKCPInteractiveLines(in, out, fmt.Sprintf("%s> ", client.ID()))
|
||||
|
||||
for {
|
||||
select {
|
||||
case err := <-receiveErr:
|
||||
return err
|
||||
case line, ok := <-lines:
|
||||
if !ok {
|
||||
return <-inputErr
|
||||
}
|
||||
|
||||
command, err := parseKCPInteractiveCommand(line)
|
||||
if err != nil {
|
||||
if err == errKCPEmptyInteractiveCommand {
|
||||
continue
|
||||
}
|
||||
log.Printf("interactive command error: %v", err)
|
||||
continue
|
||||
}
|
||||
|
||||
switch command.name {
|
||||
case kcpInteractiveCommandHelp:
|
||||
printKCPInteractiveHelp(out)
|
||||
case kcpInteractiveCommandQuit:
|
||||
return nil
|
||||
case kcpInteractiveCommandText:
|
||||
if err := client.SendText(command.to, command.value); err != nil {
|
||||
log.Printf("send text to %s: %v", command.to, err)
|
||||
continue
|
||||
}
|
||||
log.Printf("sent text to %s", command.to)
|
||||
case kcpInteractiveCommandFile:
|
||||
if err := client.SendFilePath(command.to, command.value); err != nil {
|
||||
log.Printf("send file %s to %s: %v", command.value, command.to, err)
|
||||
continue
|
||||
}
|
||||
log.Printf("sent file %s to %s", command.value, command.to)
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func readKCPInteractiveLines(in io.Reader, out io.Writer, prompt string) (<-chan string, <-chan error) {
|
||||
lines := make(chan string)
|
||||
errs := make(chan error, 1)
|
||||
|
||||
go func() {
|
||||
defer close(lines)
|
||||
|
||||
scanner := bufio.NewScanner(in)
|
||||
scanner.Buffer(make([]byte, 0, 1024), 1024*1024)
|
||||
|
||||
for {
|
||||
if _, err := fmt.Fprint(out, prompt); err != nil {
|
||||
errs <- err
|
||||
return
|
||||
}
|
||||
if !scanner.Scan() {
|
||||
errs <- scanner.Err()
|
||||
return
|
||||
}
|
||||
lines <- scanner.Text()
|
||||
}
|
||||
}()
|
||||
|
||||
return lines, errs
|
||||
}
|
||||
Reference in New Issue
Block a user