Add X11 daemon with tray status

cmd/lelctl/main.go

@@ -0,0 +1,45 @@
+package main
+
+import (
+	"flag"
+	"fmt"
+	"net"
+	"os"
+	"path/filepath"
+	"strings"
+)
+
+func main() {
+	flag.Parse()
+	if flag.NArg() == 0 {
+		fmt.Fprintln(os.Stderr, "usage: lelctl <status|stop|reload>")
+		os.Exit(1)
+	}
+
+	cmd := strings.TrimSpace(flag.Arg(0))
+	if cmd == "" {
+		fmt.Fprintln(os.Stderr, "invalid command")
+		os.Exit(1)
+	}
+
+	runtimeDir := os.Getenv("XDG_RUNTIME_DIR")
+	if runtimeDir == "" {
+		runtimeDir = "/tmp"
+	}
+	sockPath := filepath.Join(runtimeDir, "lel", "ctl.sock")
+
+	conn, err := net.Dial("unix", sockPath)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "connect failed: %v\n", err)
+		os.Exit(1)
+	}
+	defer conn.Close()
+
+	_, _ = fmt.Fprintf(conn, "%s\n", cmd)
+
+	buf := make([]byte, 4096)
+	n, _ := conn.Read(buf)
+	if n > 0 {
+		fmt.Print(string(buf[:n]))
+	}
+}