experimental: New FFI

cmd/internal/build_libbox_newffi/main.go

@@ -0,0 +1,93 @@
+package main
+
+import (
+	"flag"
+	"os"
+	"os/exec"
+	"path/filepath"
+
+	"github.com/sagernet/sing-box/log"
+	"github.com/sagernet/sing/common/rw"
+)
+
+var target string
+
+func init() {
+	flag.StringVar(&target, "target", "android", "target platform (android or apple)")
+}
+
+func main() {
+	flag.Parse()
+
+	args := []string{
+		"generate",
+		"-v",
+		"--config", "experimental/libbox/ffi.json",
+		"--platform-type", target,
+	}
+	command := exec.Command("sing-ffi", args...)
+	command.Stdout = os.Stdout
+	command.Stderr = os.Stderr
+	err := command.Run()
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	copyArtifacts(target)
+}
+
+func copyArtifacts(target string) {
+	switch target {
+	case "android":
+		copyPath := filepath.Join("..", "sing-box-for-android", "app", "libs")
+		if rw.IsDir(copyPath) {
+			copyPath, _ = filepath.Abs(copyPath)
+			for _, name := range []string{"libbox.aar", "libbox-legacy.aar"} {
+				artifactPath, found := findArtifactPath(name)
+				if !found {
+					continue
+				}
+				targetPath := filepath.Join(target, artifactPath)
+				os.RemoveAll(targetPath)
+				err := os.Rename(artifactPath, targetPath)
+				if err != nil {
+					log.Fatal(err)
+				}
+				log.Info("copied ", name, " to ", copyPath)
+			}
+		}
+	case "apple":
+		copyPath := filepath.Join("..", "sing-box-for-apple")
+		if rw.IsDir(copyPath) {
+			sourceDir, found := findArtifactPath("Libbox.xcframework")
+			if !found {
+				log.Fatal("Libbox.xcframework not found in current directory or experimental/libbox")
+			}
+
+			targetDir := filepath.Join(copyPath, "Libbox.xcframework")
+			targetDir, _ = filepath.Abs(targetDir)
+			err := os.RemoveAll(targetDir)
+			if err != nil {
+				log.Fatal(err)
+			}
+			err = os.Rename(sourceDir, targetDir)
+			if err != nil {
+				log.Fatal(err)
+			}
+			log.Info("copied ", sourceDir, " to ", targetDir)
+		}
+	}
+}
+
+func findArtifactPath(name string) (string, bool) {
+	candidates := []string{
+		name,
+		filepath.Join("experimental", "libbox", name),
+	}
+	for _, candidate := range candidates {
+		if rw.IsFile(candidate) || rw.IsDir(candidate) {
+			return candidate, true
+		}
+	}
+	return "", false
+}