fix: provider: 'cgo argument has Go pointer to unpinned Go pointer'

pkg/datalayer/nodeHandler.c

@@ -1,18 +1,18 @@
 /**
  * MIT License
- * 
- * Copyright (c) 2021-2022 Bosch Rexroth AG
- * 
+ *
+ * Copyright (c) 2021-2024 Bosch Rexroth AG
+ *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
  * in the Software without restriction, including without limitation the rights
  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  * copies of the Software, and to permit persons to whom the Software is
  * furnished to do so, subject to the following conditions:
- * 
+ *
  * The above copyright notice and this permission notice shall be included in all
  * copies or substantial portions of the Software.
- * 
+ *
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
@@ -32,39 +32,39 @@
 typedef DLR_PROVIDER_NODE_CALLBACK TYPE_CB;
 typedef DLR_PROVIDER_NODE_CALLBACKDATA TYPE_CBDATA;
 
-void callCallbackC(TYPE_CB cb, TYPE_CBDATA cbdata, DLR_RESULT result, DLR_VARIANT data)
+void callCallbackC(TYPE_CB cb, uint64_t cbdata, DLR_RESULT result, DLR_VARIANT data)
 {
-	cb(cbdata, result, data);
+	cb((TYPE_CBDATA)cbdata, result, data);
 }
 
-extern void nodeCallbackGo(void *userdata, char *address, DLR_VARIANT data, TYPE_CB cb, TYPE_CBDATA cbdata, int action);
+extern void nodeCallbackGo(void *userdata, char *address, DLR_VARIANT data, TYPE_CB cb, uint64_t cbdata, int action);
 
 void nodeCallbackOnCreate(void *userdata, char *address, DLR_VARIANT data, TYPE_CB cb, TYPE_CBDATA cbdata)
 {
-	nodeCallbackGo(userdata, address, data, cb, cbdata, NODE_ACTION_ON_CREATE);
+	nodeCallbackGo(userdata, address, data, cb, (uint64_t)cbdata, NODE_ACTION_ON_CREATE);
 }
 
 void nodeCallbackOnRemove(void *userdata, char *address, TYPE_CB cb, TYPE_CBDATA cbdata)
 {
-	nodeCallbackGo(userdata, address, NULL, cb, cbdata, NODE_ACTION_ON_REMOVE);
+	nodeCallbackGo(userdata, address, NULL, cb, (uint64_t)cbdata, NODE_ACTION_ON_REMOVE);
 }
 
 void nodeCallbackOnBrowse(void *userdata, char *address, TYPE_CB cb, TYPE_CBDATA cbdata)
 {
-	nodeCallbackGo(userdata, address, NULL, cb, cbdata, NODE_ACTION_ON_BROWSE);
+	nodeCallbackGo(userdata, address, NULL, cb, (uint64_t)cbdata, NODE_ACTION_ON_BROWSE);
 }
 
 void nodeCallbackOnRead(void *userdata, char *address, DLR_VARIANT data, TYPE_CB cb, TYPE_CBDATA cbdata)
 {
-	nodeCallbackGo(userdata, address, data, cb, cbdata, NODE_ACTION_ON_READ);
+	nodeCallbackGo(userdata, address, data, cb, (uint64_t)cbdata, NODE_ACTION_ON_READ);
 }
 
 void nodeCallbackOnWrite(void *userdata, char *address, DLR_VARIANT data, TYPE_CB cb, TYPE_CBDATA cbdata)
 {
-	nodeCallbackGo(userdata, address, data, cb, cbdata, NODE_ACTION_ON_WRITE);
+	nodeCallbackGo(userdata, address, data, cb, (uint64_t)cbdata, NODE_ACTION_ON_WRITE);
 }
 
 void nodeCallbackOnMetadata(void *userdata, char *address, TYPE_CB cb, TYPE_CBDATA cbdata)
 {
-	nodeCallbackGo(userdata, address, NULL, cb, cbdata, NODE_ACTION_ON_METADATA);
-}
+	nodeCallbackGo(userdata, address, NULL, cb, (uint64_t)cbdata, NODE_ACTION_ON_METADATA);
+}

pkg/datalayer/nodeHandler.go

@@ -1,6 +1,6 @@
 // MIT License
 //
-// Copyright (c) 2021-2022 Bosch Rexroth AG
+// Copyright (c) 2021-2024 Bosch Rexroth AG
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
@@ -41,15 +41,14 @@ typedef enum NODE_ACTION {
 	NODE_ACTION_ON_METADATA,
 }NODE_ACTION;
 
-extern void callCallbackC(TYPE_CB cb, TYPE_CBDATA cbdata, DLR_RESULT result, DLR_VARIANT data);
+extern void callCallbackC(TYPE_CB cb, uint64_t cbdata, DLR_RESULT result, DLR_VARIANT data);
 
 extern void nodeCallbackOnCreate(void* userdata, char* address, DLR_VARIANT data, TYPE_CB cb, TYPE_CBDATA cbdata);
 extern void nodeCallbackOnRemove(void* userdata, char* address, TYPE_CB cb, TYPE_CBDATA cbdata);
 extern void nodeCallbackOnBrowse(void* userdata, char* address, TYPE_CB cb, TYPE_CBDATA cbdata);
 extern void nodeCallbackOnRead(void* userdata, char* address, DLR_VARIANT data, TYPE_CB cb, TYPE_CBDATA cbdata);
 extern void nodeCallbackOnWrite(void* userdata, char* address, DLR_VARIANT data, TYPE_CB cb, TYPE_CBDATA cbdata);
-extern void nodeCallbackOnMetadata(void* userdata, char* address, TYPE_CB cb, TYPE_CBDATA cbdata);
-*/
+extern void nodeCallbackOnMetadata(void* userdata, char* address, TYPE_CB cb, TYPE_CBDATA cbdata);*/
 import "C"
 import (
 	"sync"
@@ -75,7 +74,7 @@ type nodeUserData struct {
 }
 
 //export nodeCallbackGo
-func nodeCallbackGo(cuserdata unsafe.Pointer, caddress *C.char, cdata C.DLR_VARIANT, cb C.TYPE_CB, cbdata C.TYPE_CBDATA, action C.int) {
+func nodeCallbackGo(cuserdata unsafe.Pointer, caddress *C.char, cdata C.DLR_VARIANT, cb C.TYPE_CB, cbdata C.ulong, action C.int) {
 	var i int = *(*int)(cuserdata)
 	var userdata *nodeUserData = nodeLookup(i)
 	address := C.GoString(caddress)
@@ -118,7 +117,7 @@ func getNodeUserdata(channels ProviderNodeChannels) unsafe.Pointer {
 }
 
 // createCallbackC closure to hide C types
-func createCallbackC(cb C.TYPE_CB, cbdata C.TYPE_CBDATA) ProviderNodeCallback {
+func createCallbackC(cb C.TYPE_CB, cbdata C.ulong) ProviderNodeCallback {
 	return func(result Result, data *Variant) {
 		if data == nil {
 			C.callCallbackC(cb, cbdata, C.DLR_RESULT(result), nil)