265 lines
7.1 KiB
Go
265 lines
7.1 KiB
Go
package main
|
|
|
|
import (
|
|
"context"
|
|
"encoding/json"
|
|
"flag"
|
|
"fmt"
|
|
"log"
|
|
"net/http"
|
|
"os"
|
|
"os/signal"
|
|
"path/filepath"
|
|
"strconv"
|
|
"strings"
|
|
"syscall"
|
|
"time"
|
|
|
|
"lingma-ipc-proxy/internal/httpapi"
|
|
"lingma-ipc-proxy/internal/service"
|
|
)
|
|
|
|
type fileConfig struct {
|
|
Host string `json:"host"`
|
|
Port int `json:"port"`
|
|
Pipe string `json:"pipe"`
|
|
Cwd string `json:"cwd"`
|
|
CurrentFilePath string `json:"current_file_path"`
|
|
Mode string `json:"mode"`
|
|
ShellType string `json:"shell_type"`
|
|
SessionMode string `json:"session_mode"`
|
|
TimeoutSeconds int `json:"timeout"`
|
|
}
|
|
|
|
func main() {
|
|
cfg, configPath := loadConfig()
|
|
addr := fmt.Sprintf("%s:%d", cfg.Host, cfg.Port)
|
|
|
|
svc := service.New(cfg)
|
|
server := httpapi.NewServer(addr, svc)
|
|
|
|
log.Printf("lingma-ipc-proxy listening on http://%s", addr)
|
|
log.Printf("session mode: %s", cfg.SessionMode)
|
|
log.Printf("mode: %s", cfg.Mode)
|
|
if configPath != "" {
|
|
log.Printf("config file: %s", configPath)
|
|
}
|
|
|
|
errCh := make(chan error, 1)
|
|
go func() {
|
|
if err := server.ListenAndServe(); err != nil && err != http.ErrServerClosed {
|
|
errCh <- err
|
|
}
|
|
}()
|
|
|
|
sigCh := make(chan os.Signal, 1)
|
|
signal.Notify(sigCh, syscall.SIGINT, syscall.SIGTERM)
|
|
|
|
select {
|
|
case err := <-errCh:
|
|
log.Fatal(err)
|
|
case sig := <-sigCh:
|
|
log.Printf("received %s, shutting down", sig.String())
|
|
}
|
|
|
|
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
|
|
defer cancel()
|
|
if err := server.Shutdown(ctx); err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
}
|
|
|
|
func loadConfig() (service.Config, string) {
|
|
cfg := service.Config{
|
|
Host: "127.0.0.1",
|
|
Port: 8095,
|
|
Cwd: currentDir(),
|
|
Mode: "agent",
|
|
ShellType: "powershell",
|
|
SessionMode: service.SessionModeAuto,
|
|
Timeout: 120 * time.Second,
|
|
}
|
|
|
|
configPath, configLoaded := resolveConfigPath()
|
|
if configLoaded {
|
|
fileCfg, err := readFileConfig(configPath)
|
|
if err != nil {
|
|
log.Fatalf("load config file %q: %v", configPath, err)
|
|
}
|
|
overlayFileConfig(&cfg, fileCfg)
|
|
}
|
|
|
|
overlayEnvConfig(&cfg)
|
|
|
|
host := flag.String("host", cfg.Host, "Listen host")
|
|
port := flag.Int("port", cfg.Port, "Listen port")
|
|
pipe := flag.String("pipe", cfg.Pipe, "Explicit Lingma named pipe path")
|
|
cwd := flag.String("cwd", cfg.Cwd, "Working directory used when creating Lingma sessions")
|
|
currentFilePath := flag.String("current-file-path", cfg.CurrentFilePath, "Current file path sent through ACP meta")
|
|
mode := flag.String("mode", cfg.Mode, "Lingma ACP mode value")
|
|
shellType := flag.String("shell-type", cfg.ShellType, "Shell type sent through ACP meta")
|
|
timeoutSeconds := flag.Int("timeout", int(cfg.Timeout/time.Second), "Per-request timeout in seconds")
|
|
sessionMode := flag.String("session-mode", string(cfg.SessionMode), "Session mode: auto, fresh, reuse")
|
|
config := flag.String("config", valueOr(configPath, filepath.Join(currentDir(), "lingma-ipc-proxy.json")), "Path to JSON config file")
|
|
flag.Parse()
|
|
|
|
parsedSessionMode := parseSessionMode(*sessionMode)
|
|
finalConfigPath := strings.TrimSpace(*config)
|
|
|
|
cfg.Host = strings.TrimSpace(*host)
|
|
cfg.Port = *port
|
|
cfg.Pipe = strings.TrimSpace(*pipe)
|
|
cfg.Cwd = strings.TrimSpace(*cwd)
|
|
cfg.CurrentFilePath = strings.TrimSpace(*currentFilePath)
|
|
cfg.Mode = strings.TrimSpace(*mode)
|
|
cfg.ShellType = strings.TrimSpace(*shellType)
|
|
cfg.SessionMode = parsedSessionMode
|
|
cfg.Timeout = time.Duration(*timeoutSeconds) * time.Second
|
|
|
|
if configLoaded {
|
|
configPath = finalConfigPath
|
|
} else {
|
|
configPath = ""
|
|
}
|
|
|
|
return cfg, configPath
|
|
}
|
|
|
|
func resolveConfigPath() (string, bool) {
|
|
if path := strings.TrimSpace(lookupArgValue("--config")); path != "" {
|
|
return path, true
|
|
}
|
|
if path := strings.TrimSpace(os.Getenv("LINGMA_PROXY_CONFIG")); path != "" {
|
|
return path, true
|
|
}
|
|
defaultPath := filepath.Join(currentDir(), "lingma-ipc-proxy.json")
|
|
if info, err := os.Stat(defaultPath); err == nil && !info.IsDir() {
|
|
return defaultPath, true
|
|
}
|
|
return defaultPath, false
|
|
}
|
|
|
|
func readFileConfig(path string) (fileConfig, error) {
|
|
var cfg fileConfig
|
|
body, err := os.ReadFile(path)
|
|
if err != nil {
|
|
return cfg, err
|
|
}
|
|
if err := json.Unmarshal(body, &cfg); err != nil {
|
|
return cfg, err
|
|
}
|
|
return cfg, nil
|
|
}
|
|
|
|
func overlayFileConfig(dst *service.Config, src fileConfig) {
|
|
if strings.TrimSpace(src.Host) != "" {
|
|
dst.Host = strings.TrimSpace(src.Host)
|
|
}
|
|
if src.Port > 0 {
|
|
dst.Port = src.Port
|
|
}
|
|
if strings.TrimSpace(src.Pipe) != "" {
|
|
dst.Pipe = strings.TrimSpace(src.Pipe)
|
|
}
|
|
if strings.TrimSpace(src.Cwd) != "" {
|
|
dst.Cwd = strings.TrimSpace(src.Cwd)
|
|
}
|
|
if strings.TrimSpace(src.CurrentFilePath) != "" {
|
|
dst.CurrentFilePath = strings.TrimSpace(src.CurrentFilePath)
|
|
}
|
|
if strings.TrimSpace(src.Mode) != "" {
|
|
dst.Mode = strings.TrimSpace(src.Mode)
|
|
}
|
|
if strings.TrimSpace(src.ShellType) != "" {
|
|
dst.ShellType = strings.TrimSpace(src.ShellType)
|
|
}
|
|
if strings.TrimSpace(src.SessionMode) != "" {
|
|
dst.SessionMode = parseSessionMode(src.SessionMode)
|
|
}
|
|
if src.TimeoutSeconds > 0 {
|
|
dst.Timeout = time.Duration(src.TimeoutSeconds) * time.Second
|
|
}
|
|
}
|
|
|
|
func overlayEnvConfig(dst *service.Config) {
|
|
if value := strings.TrimSpace(os.Getenv("LINGMA_PROXY_HOST")); value != "" {
|
|
dst.Host = value
|
|
}
|
|
if value := envInt("LINGMA_PROXY_PORT", 0); value > 0 {
|
|
dst.Port = value
|
|
}
|
|
if value := strings.TrimSpace(os.Getenv("LINGMA_IPC_PIPE")); value != "" {
|
|
dst.Pipe = value
|
|
}
|
|
if value := strings.TrimSpace(os.Getenv("LINGMA_PROXY_CWD")); value != "" {
|
|
dst.Cwd = value
|
|
}
|
|
if value := strings.TrimSpace(os.Getenv("LINGMA_PROXY_CURRENT_FILE_PATH")); value != "" {
|
|
dst.CurrentFilePath = value
|
|
}
|
|
if value := strings.TrimSpace(os.Getenv("LINGMA_PROXY_MODE")); value != "" {
|
|
dst.Mode = value
|
|
}
|
|
if value := strings.TrimSpace(os.Getenv("LINGMA_PROXY_SHELL_TYPE")); value != "" {
|
|
dst.ShellType = value
|
|
}
|
|
if value := strings.TrimSpace(os.Getenv("LINGMA_PROXY_SESSION_MODE")); value != "" {
|
|
dst.SessionMode = parseSessionMode(value)
|
|
}
|
|
if value := envInt("LINGMA_PROXY_TIMEOUT_SECONDS", 0); value > 0 {
|
|
dst.Timeout = time.Duration(value) * time.Second
|
|
}
|
|
}
|
|
|
|
func parseSessionMode(value string) service.SessionMode {
|
|
mode := service.SessionMode(strings.ToLower(strings.TrimSpace(value)))
|
|
switch mode {
|
|
case service.SessionModeAuto, service.SessionModeFresh, service.SessionModeReuse:
|
|
return mode
|
|
default:
|
|
log.Fatalf("invalid session mode %q; expected auto, fresh, or reuse", value)
|
|
return service.SessionModeAuto
|
|
}
|
|
}
|
|
|
|
func lookupArgValue(flagName string) string {
|
|
for i := 1; i < len(os.Args); i++ {
|
|
arg := os.Args[i]
|
|
if arg == flagName {
|
|
if i+1 < len(os.Args) {
|
|
return os.Args[i+1]
|
|
}
|
|
return ""
|
|
}
|
|
prefix := flagName + "="
|
|
if strings.HasPrefix(arg, prefix) {
|
|
return strings.TrimPrefix(arg, prefix)
|
|
}
|
|
}
|
|
return ""
|
|
}
|
|
|
|
func envInt(key string, fallback int) int {
|
|
if value := strings.TrimSpace(os.Getenv(key)); value != "" {
|
|
if n, err := strconv.Atoi(value); err == nil {
|
|
return n
|
|
}
|
|
}
|
|
return fallback
|
|
}
|
|
|
|
func currentDir() string {
|
|
if wd, err := os.Getwd(); err == nil {
|
|
return wd
|
|
}
|
|
return "."
|
|
}
|
|
|
|
func valueOr(value string, fallback string) string {
|
|
if strings.TrimSpace(value) != "" {
|
|
return strings.TrimSpace(value)
|
|
}
|
|
return fallback
|
|
}
|
|
|