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launcher.go
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launcher.go
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package api
import (
"context"
"errors"
"fmt"
"github.com/SuzukiHonoka/spaceship/internal/http"
"github.com/SuzukiHonoka/spaceship/internal/socks"
"github.com/SuzukiHonoka/spaceship/internal/transport/rpc/client"
"github.com/SuzukiHonoka/spaceship/internal/transport/rpc/server"
"github.com/SuzukiHonoka/spaceship/internal/utils"
"github.com/SuzukiHonoka/spaceship/pkg/config"
"github.com/google/uuid"
"log"
"net"
"strings"
)
type Launcher struct {
sigStop chan interface{}
}
func NewLauncher() *Launcher {
return &Launcher{
sigStop: make(chan interface{}),
}
}
func (l *Launcher) LaunchWithError(c *config.MixedConfig) error {
if err := c.Apply(); err != nil {
return err
}
// main context
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
// switch role
switch c.Role {
case config.RoleServer:
// server start
log.Println("server starting")
s, err := server.NewServer(ctx, c.Users, c.SSL)
if err != nil {
return fmt.Errorf("create server failed: %w", err)
}
// listen ingress and serve
listener, err := net.Listen("tcp", c.Listen)
if err != nil {
return fmt.Errorf("listen at %s error %w", c.Listen, err)
}
defer utils.ForceClose(listener)
log.Printf("rpc started at %s", c.Listen)
if err = s.Serve(listener); err != nil {
return err
}
case config.RoleClient:
// check uuid format
if _, err := uuid.Parse(c.UUID); err != nil {
return err
}
// client start
log.Println("client starting")
// destroy any left connections
defer client.Destroy()
// initialize pool
if err := client.Init(c.ServerAddr, c.Host, c.EnableTLS, c.Mux, c.CAs); err != nil {
return fmt.Errorf("init client failed: %w", err)
}
// flag
var signalArrived bool
sigError := make(chan error)
// socks
if c.ListenSocks != "" {
cfg := new(socks.Config)
if c.BasicAuth != "" {
user, password, ok := strings.Cut(c.BasicAuth, ":")
if !ok {
return errors.New("basic auth format error")
}
cfg.Credentials = map[string]string{
user: password,
}
}
s := socks.New(ctx, cfg)
defer utils.ForceClose(s)
go func() {
if err := s.ListenAndServe("tcp", c.ListenSocks); err != nil && !signalArrived {
sigError <- fmt.Errorf("serve socks failed: %w", err)
}
}()
}
// http
if c.ListenHttp != "" {
h := http.New(ctx)
defer utils.ForceClose(h)
go func() {
if err := h.ListenAndServe("tcp", c.ListenHttp); err != nil && !signalArrived {
sigError <- fmt.Errorf("serve http failed: %w", err)
}
}()
}
// blocks main
go func() {
l.waitForCancel()
signalArrived = true
close(sigError)
}()
select {
case err, ok := <-sigError:
if ok {
return fmt.Errorf("inbound process error: %w", err)
}
}
default:
return fmt.Errorf("unrecognized role: %s", c.Role)
}
return nil
}
func (l *Launcher) Launch(c *config.MixedConfig) bool {
if err := l.LaunchWithError(c); err != nil {
log.Println(err)
return false
}
return true
}