Add Cloth Config plugin management screen

sdk/native_exports.go

@@ -0,0 +1,68 @@
+//go:build cgo && !wasm
+
+package sdk
+
+/*
+#include <stdint.h>
+#include <stdlib.h>
+*/
+import "C"
+
+import (
+	"fmt"
+	"unsafe"
+)
+
+//export gmb_abi_version
+func gmb_abi_version() C.int32_t {
+	return C.int32_t(ABIVersion)
+}
+
+//export gmb_call
+func gmb_call(
+	operation C.int32_t,
+	input *C.uint8_t,
+	inputLength C.uint64_t,
+	output **C.uint8_t,
+	outputLength *C.uint64_t,
+) (status C.int32_t) {
+	*output = nil
+	*outputLength = 0
+
+	defer func() {
+		if recovered := recover(); recovered != nil {
+			fallback := []byte(fmt.Sprintf(`{"status":"panic","error":%q}`, fmt.Sprint(recovered)))
+			writeNativeOutput(fallback, output, outputLength)
+			status = 0
+		}
+	}()
+
+	if inputLength > 64*1024*1024 {
+		return 2
+	}
+
+	var payload []byte
+	if inputLength > 0 {
+		if input == nil {
+			return 3
+		}
+		payload = C.GoBytes(unsafe.Pointer(input), C.int(inputLength))
+	}
+
+	writeNativeOutput(Dispatch(int(operation), payload), output, outputLength)
+	return 0
+}
+
+//export gmb_free
+func gmb_free(pointer unsafe.Pointer) {
+	C.free(pointer)
+}
+
+func writeNativeOutput(payload []byte, output **C.uint8_t, outputLength *C.uint64_t) {
+	if len(payload) == 0 {
+		return
+	}
+	pointer := C.CBytes(payload)
+	*output = (*C.uint8_t)(pointer)
+	*outputLength = C.uint64_t(len(payload))
+}