ESX use virXPathNode*() to simplify XPath handling

* src/esx/esx_vi.[ch]: use virXPathNode*() in esxVI_RemoteRequest_Execute() and remove esxVI_RemoteResponse_DeserializeXPathObject*() * src/esx/esx_vi_methods.c: update callers to use the new syntax of esxVI_RemoteRequest_Execute()
2024-12-24 06:35:24 +00:00 · 2009-09-04 18:08:52 +02:00 · 2009-09-04 18:08:52 +02:00 · 03d28d7355
commit 03d28d7355
parent 1f8988b580
3 changed files with 109 additions and 227 deletions
--- a/src/esx/esx_vi.c
+++ b/src/esx/esx_vi.c
@ -34,6 +34,7 @@
 #include "util.h"
 #include "uuid.h"
 #include "virterror_internal.h"
+#include "xml.h"
 #include "esx_vi.h"
 #include "esx_vi_methods.h"
 #include "esx_util.h"
@ -479,7 +480,8 @@ ESX_VI__TEMPLATE__FREE(RemoteRequest,
 int
 esxVI_RemoteRequest_Execute(virConnectPtr conn, esxVI_Context *ctx,
                            esxVI_RemoteRequest *remoteRequest,
-                            esxVI_RemoteResponse **remoteResponse)
+                            esxVI_RemoteResponse **remoteResponse,
+                            esxVI_Boolean expectList)
 {
    virBuffer buffer = VIR_BUFFER_INITIALIZER;
    esxVI_Fault *fault = NULL;
@ -566,16 +568,24 @@ esxVI_RemoteRequest_Execute(virConnectPtr conn, esxVI_Context *ctx,
                           BAD_CAST "urn:vim25");

        if ((*remoteResponse)->responseCode == 500) {
-            (*remoteResponse)->xpathObject =
-                xmlXPathEval(BAD_CAST
-                             "/soapenv:Envelope/soapenv:Body/soapenv:Fault",
-                             (*remoteResponse)->xpathContext);
+            (*remoteResponse)->node =
+              virXPathNode(conn, "/soapenv:Envelope/soapenv:Body/soapenv:Fault",
+                           (*remoteResponse)->xpathContext);

-            if (esxVI_RemoteResponse_DeserializeXPathObject
-                  (conn, *remoteResponse,
-                   (esxVI_RemoteResponse_DeserializeFunc)
-                     esxVI_Fault_Deserialize,
-                   (void **)&fault) < 0) {
+            if ((*remoteResponse)->node == NULL) {
+                ESX_VI_ERROR(conn, VIR_ERR_INTERNAL_ERROR,
+                             "HTTP response code %d. VI Fault is unknown, "
+                             "XPath evaluation failed",
+                             (int)(*remoteResponse)->responseCode);
+                goto failure;
+            }
+
+            if (esxVI_Fault_Deserialize(conn, (*remoteResponse)->node,
+                                        &fault) < 0) {
+                ESX_VI_ERROR(conn, VIR_ERR_INTERNAL_ERROR,
+                             "HTTP response code %d. VI Fault is unknown, "
+                             "deserialization failed",
+                             (int)(*remoteResponse)->responseCode);
                goto failure;
            }

@ -585,10 +595,37 @@ esxVI_RemoteRequest_Execute(virConnectPtr conn, esxVI_Context *ctx,
                         fault->faultcode, fault->faultstring);

            goto failure;
+        } else if (expectList == esxVI_Boolean_True) {
+            xmlNodePtr *nodeSet = NULL;
+            int nodeSet_size;
+
+            nodeSet_size = virXPathNodeSet(conn, remoteRequest->xpathExpression,
+                                           (*remoteResponse)->xpathContext,
+                                           &nodeSet);
+
+            if (nodeSet_size < 0) {
+                ESX_VI_ERROR(conn, VIR_ERR_INTERNAL_ERROR,
+                             "XPath evaluation of '%s' failed",
+                             remoteRequest->xpathExpression);
+                goto failure;
+            } else if (nodeSet_size == 0) {
+                (*remoteResponse)->node = NULL;
+            } else {
+                (*remoteResponse)->node = nodeSet[0];
+            }
+
+            VIR_FREE(nodeSet);
        } else {
-            (*remoteResponse)->xpathObject =
-              xmlXPathEval(BAD_CAST remoteRequest->xpathExpression,
+            (*remoteResponse)->node =
+              virXPathNode(conn, remoteRequest->xpathExpression,
                           (*remoteResponse)->xpathContext);
+
+            if ((*remoteResponse)->node == NULL) {
+                ESX_VI_ERROR(conn, VIR_ERR_INTERNAL_ERROR,
+                             "XPath evaluation of '%s' failed",
+                             remoteRequest->xpathExpression);
+                goto failure;
+            }
        }
    } else if ((*remoteResponse)->responseCode != 200) {
        ESX_VI_ERROR(conn, VIR_ERR_INTERNAL_ERROR,
@ -627,7 +664,6 @@ ESX_VI__TEMPLATE__FREE(RemoteResponse,
 {
    VIR_FREE(item->response);

-    xmlXPathFreeObject(item->xpathObject);
    xmlXPathFreeContext(item->xpathContext);

    if (item->document != NULL) {
@ -635,112 +671,6 @@ ESX_VI__TEMPLATE__FREE(RemoteResponse,
    }
 });

-int
-esxVI_RemoteResponse_DeserializeXPathObject
-  (virConnectPtr conn, esxVI_RemoteResponse *remoteResponse,
-   esxVI_RemoteResponse_DeserializeFunc deserializeFunc, void **item)
-{
-    xmlNodePtr node = NULL;
-
-    if (remoteResponse->xpathObject != NULL &&
-        remoteResponse->xpathObject->type == XPATH_NODESET) {
-        if (remoteResponse->xpathObject->nodesetval->nodeNr != 1) {
-            ESX_VI_ERROR(conn, VIR_ERR_INTERNAL_ERROR,
-                         "Expecting 1 XML node but found '%d'",
-                         remoteResponse->xpathObject->nodesetval->nodeNr);
-            return -1;
-        }
-
-        node = remoteResponse->xpathObject->nodesetval->nodeTab[0];
-
-        if (node->type != XML_ELEMENT_NODE) {
-            ESX_VI_ERROR(conn, VIR_ERR_INTERNAL_ERROR,
-                         "Wrong XML element type %d", node->type);
-            return -1;
-        }
-
-        if (deserializeFunc(conn, node, item) < 0) {
-            return -1;
-        }
-    } else {
-        ESX_VI_ERROR(conn, VIR_ERR_INTERNAL_ERROR, "XPath error");
-        return -1;
-    }
-
-    return 0;
-}
-
-int
-esxVI_RemoteResponse_DeserializeXPathObjectList
-  (virConnectPtr conn, esxVI_RemoteResponse *remoteResponse,
-   esxVI_RemoteResponse_DeserializeListFunc deserializeListFunc,
-   esxVI_List **list)
-{
-    xmlNodePtr node = NULL;
-
-    if (remoteResponse->xpathObject != NULL &&
-        remoteResponse->xpathObject->type == XPATH_NODESET) {
-        if (remoteResponse->xpathObject->nodesetval->nodeNr > 0) {
-            node = remoteResponse->xpathObject->nodesetval->nodeTab[0];
-
-            if (node->type != XML_ELEMENT_NODE) {
-                ESX_VI_ERROR(conn, VIR_ERR_INTERNAL_ERROR,
-                             "Wrong XML element type %d", node->type);
-                return -1;
-            }
-        } else {
-            node = NULL;
-        }
-
-        if (deserializeListFunc(conn, node, list) < 0) {
-            return -1;
-        }
-    } else {
-        ESX_VI_ERROR(conn, VIR_ERR_INTERNAL_ERROR, "XPath error");
-        return -1;
-    }
-
-    return 0;
-}
-
-int
-esxVI_RemoteResponse_DeserializeXPathObjectAsManagedObjectReference
-  (virConnectPtr conn, esxVI_RemoteResponse *remoteResponse,
-   esxVI_ManagedObjectReference **managedObjectReference,
-   const char *expectedType)
-{
-    xmlNodePtr node = NULL;
-
-    if (remoteResponse->xpathObject != NULL &&
-        remoteResponse->xpathObject->type == XPATH_NODESET) {
-        if (remoteResponse->xpathObject->nodesetval->nodeNr != 1) {
-            ESX_VI_ERROR(conn, VIR_ERR_INTERNAL_ERROR,
-                         "Expecting 1 XML node but found '%d'",
-                         remoteResponse->xpathObject->nodesetval->nodeNr);
-            return -1;
-        }
-
-        node = remoteResponse->xpathObject->nodesetval->nodeTab[0];
-
-        if (node->type != XML_ELEMENT_NODE) {
-            ESX_VI_ERROR(conn, VIR_ERR_INTERNAL_ERROR,
-                         "Wrong XML element type %d", node->type);
-            return -1;
-        }
-
-        if (esxVI_ManagedObjectReference_Deserialize(conn, node,
-                                                     managedObjectReference,
-                                                     expectedType) < 0) {
-            return -1;
-        }
-    } else {
-        ESX_VI_ERROR(conn, VIR_ERR_INTERNAL_ERROR, "XPath error");
-        return -1;
-    }
-
-    return 0;
-}
-


 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
@ -1669,10 +1599,10 @@ esxVI_StartVirtualMachineTask(virConnectPtr conn, esxVI_Context *ctx,
        goto failure;
    }

-    if (esxVI_RemoteRequest_Execute(conn, ctx, remoteRequest,
-                                    &remoteResponse) < 0 ||
-        esxVI_RemoteResponse_DeserializeXPathObjectAsManagedObjectReference
-          (conn, remoteResponse, task, "Task") < 0) {
+    if (esxVI_RemoteRequest_Execute(conn, ctx, remoteRequest, &remoteResponse,
+                                    esxVI_Boolean_False) < 0 ||
+        esxVI_ManagedObjectReference_Deserialize
+          (conn, remoteResponse->node, task, "Task") < 0) {
        goto failure;
    }

@ -1789,8 +1719,8 @@ esxVI_SimpleVirtualMachineMethod(virConnectPtr conn, esxVI_Context *ctx,

    remoteRequest->request = virBufferContentAndReset(&buffer);

-    if (esxVI_RemoteRequest_Execute(conn, ctx, remoteRequest,
-                                    &remoteResponse) < 0) {
+    if (esxVI_RemoteRequest_Execute(conn, ctx, remoteRequest, &remoteResponse,
+                                    esxVI_Boolean_False) < 0) {
        goto failure;
    }

--- a/src/esx/esx_vi.h
+++ b/src/esx/esx_vi.h
@ -105,7 +105,8 @@ int esxVI_RemoteRequest_Alloc(virConnectPtr conn,
 void esxVI_RemoteRequest_Free(esxVI_RemoteRequest **remoteRequest);
 int esxVI_RemoteRequest_Execute(virConnectPtr conn, esxVI_Context *ctx,
                                esxVI_RemoteRequest *remoteRequest,
-                                esxVI_RemoteResponse **remoteResponse);
+                                esxVI_RemoteResponse **remoteResponse,
+                                esxVI_Boolean expectList);



@ -118,30 +119,12 @@ struct _esxVI_RemoteResponse {
    char *response;                                   /* required */
    xmlDocPtr document;                               /* optional */
    xmlXPathContextPtr xpathContext;                  /* optional */
-    xmlXPathObjectPtr xpathObject;                    /* optional */
+    xmlNodePtr node;                                  /* optional, list */
 };

-typedef int (*esxVI_RemoteResponse_DeserializeFunc) (virConnectPtr conn,
-                                                     xmlNodePtr node,
-                                                     void **item);
-typedef int (*esxVI_RemoteResponse_DeserializeListFunc) (virConnectPtr conn,
-                                                         xmlNodePtr node,
-                                                         esxVI_List **list);
-
 int esxVI_RemoteResponse_Alloc(virConnectPtr conn,
                               esxVI_RemoteResponse **remoteResponse);
 void esxVI_RemoteResponse_Free(esxVI_RemoteResponse **remoteResponse);
-int esxVI_RemoteResponse_DeserializeXPathObject
-      (virConnectPtr conn, esxVI_RemoteResponse *remoteResponse,
-       esxVI_RemoteResponse_DeserializeFunc deserializeFunc, void **item);
-int esxVI_RemoteResponse_DeserializeXPathObjectList
-      (virConnectPtr conn, esxVI_RemoteResponse *remoteResponse,
-       esxVI_RemoteResponse_DeserializeListFunc deserializeListFunc,
-       esxVI_List **list);
-int esxVI_RemoteResponse_DeserializeXPathObjectAsManagedObjectReference
-    (virConnectPtr conn, esxVI_RemoteResponse *remoteResponse,
-     esxVI_ManagedObjectReference **managedObjectReference,
-     const char *expectedType);



--- a/src/esx/esx_vi_methods.c
+++ b/src/esx/esx_vi_methods.c
@ -91,13 +91,10 @@ esxVI_RetrieveServiceContent(virConnectPtr conn, esxVI_Context *ctx,
    remoteRequest->xpathExpression =
      ESX_VI__SOAP__RESPONSE_XPATH("RetrieveServiceContent");

-    if (esxVI_RemoteRequest_Execute(conn, ctx, remoteRequest,
-                                    &remoteResponse) < 0 ||
-        esxVI_RemoteResponse_DeserializeXPathObject
-          (conn, remoteResponse,
-           (esxVI_RemoteResponse_DeserializeFunc)
-             esxVI_ServiceContent_Deserialize,
-           (void **)serviceContent) < 0) {
+    if (esxVI_RemoteRequest_Execute(conn, ctx, remoteRequest, &remoteResponse,
+                                    esxVI_Boolean_False) < 0 ||
+        esxVI_ServiceContent_Deserialize(conn, remoteResponse->node,
+                                         serviceContent) < 0) {
        goto failure;
    }

@ -170,13 +167,10 @@ esxVI_Login(virConnectPtr conn, esxVI_Context *ctx,
    remoteRequest->request = virBufferContentAndReset(&buffer);
    remoteRequest->xpathExpression = ESX_VI__SOAP__RESPONSE_XPATH("Login");

-    if (esxVI_RemoteRequest_Execute(conn, ctx, remoteRequest,
-                                    &remoteResponse) < 0 ||
-        esxVI_RemoteResponse_DeserializeXPathObject
-          (conn, remoteResponse,
-           (esxVI_RemoteResponse_DeserializeFunc)
-             esxVI_UserSession_Deserialize,
-           (void **)userSession) < 0) {
+    if (esxVI_RemoteRequest_Execute(conn, ctx, remoteRequest, &remoteResponse,
+                                    esxVI_Boolean_False) < 0 ||
+        esxVI_UserSession_Deserialize(conn, remoteResponse->node,
+                                      userSession) < 0) {
        goto failure;
    }

@ -238,8 +232,8 @@ esxVI_Logout(virConnectPtr conn, esxVI_Context *ctx)

    remoteRequest->request = virBufferContentAndReset(&buffer);

-    if (esxVI_RemoteRequest_Execute(conn, ctx, remoteRequest,
-                                    &remoteResponse) < 0) {
+    if (esxVI_RemoteRequest_Execute(conn, ctx, remoteRequest, &remoteResponse,
+                                    esxVI_Boolean_False) < 0) {
        goto failure;
    }

@ -306,17 +300,9 @@ esxVI_SessionIsActive(virConnectPtr conn, esxVI_Context *ctx,
    remoteRequest->xpathExpression =
      ESX_VI__SOAP__RESPONSE_XPATH("SessionIsActive");

-    if (esxVI_RemoteRequest_Execute(conn, ctx, remoteRequest,
-                                    &remoteResponse) < 0 ||
-        esxVI_RemoteResponse_DeserializeXPathObject
-          (conn, remoteResponse,
-           /*
-            * FIXME: esxVI_Boolean_Deserialize expects *boolean,
-            *        esxVI_RemoteResponse_DeserializeFunc expects void **,
-            *        passing *boolean casted to void * to it
-            */
-           (esxVI_RemoteResponse_DeserializeFunc)esxVI_Boolean_Deserialize,
-           (void *)active) < 0) {
+    if (esxVI_RemoteRequest_Execute(conn, ctx, remoteRequest, &remoteResponse,
+                                    esxVI_Boolean_False) < 0 ||
+        esxVI_Boolean_Deserialize(conn, remoteResponse->node, active) < 0) {
        goto failure;
    }

@ -390,13 +376,10 @@ esxVI_RetrieveProperties(virConnectPtr conn, esxVI_Context *ctx,
    remoteRequest->xpathExpression =
      ESX_VI__SOAP__RESPONSE_XPATH("RetrieveProperties");

-    if (esxVI_RemoteRequest_Execute(conn, ctx, remoteRequest,
-                                    &remoteResponse) < 0 ||
-        esxVI_RemoteResponse_DeserializeXPathObjectList
-          (conn, remoteResponse,
-           (esxVI_RemoteResponse_DeserializeListFunc)
-             esxVI_ObjectContent_DeserializeList,
-           (esxVI_List **)objectContentList) < 0) {
+    if (esxVI_RemoteRequest_Execute(conn, ctx, remoteRequest, &remoteResponse,
+                                    esxVI_Boolean_True) < 0 ||
+        esxVI_ObjectContent_DeserializeList(conn, remoteResponse->node,
+                                            objectContentList) < 0) {
        goto failure;
    }

@ -625,10 +608,10 @@ esxVI_CreateFilter(virConnectPtr conn, esxVI_Context *ctx,
    remoteRequest->xpathExpression =
      ESX_VI__SOAP__RESPONSE_XPATH("CreateFilter");

-    if (esxVI_RemoteRequest_Execute(conn, ctx, remoteRequest,
-                                    &remoteResponse) < 0 ||
-        esxVI_RemoteResponse_DeserializeXPathObjectAsManagedObjectReference
-          (conn, remoteResponse, propertyFilter, "PropertyFilter") < 0) {
+    if (esxVI_RemoteRequest_Execute(conn, ctx, remoteRequest, &remoteResponse,
+                                    esxVI_Boolean_False) < 0 ||
+        esxVI_ManagedObjectReference_Deserialize
+          (conn, remoteResponse->node, propertyFilter, "PropertyFilter") < 0) {
        goto failure;
    }

@ -690,8 +673,8 @@ esxVI_DestroyPropertyFilter(virConnectPtr conn, esxVI_Context *ctx,

    remoteRequest->request = virBufferContentAndReset(&buffer);

-    if (esxVI_RemoteRequest_Execute(conn, ctx, remoteRequest,
-                                    &remoteResponse) < 0) {
+    if (esxVI_RemoteRequest_Execute(conn, ctx, remoteRequest, &remoteResponse,
+                                    esxVI_Boolean_False) < 0) {
        goto failure;
    }

@ -755,12 +738,10 @@ esxVI_WaitForUpdates(virConnectPtr conn, esxVI_Context *ctx,
    remoteRequest->xpathExpression =
      ESX_VI__SOAP__RESPONSE_XPATH("WaitForUpdates");

-    if (esxVI_RemoteRequest_Execute(conn, ctx, remoteRequest,
-                                    &remoteResponse) < 0 ||
-        esxVI_RemoteResponse_DeserializeXPathObject
-          (conn, remoteResponse,
-           (esxVI_RemoteResponse_DeserializeFunc)esxVI_UpdateSet_Deserialize,
-           (void **)updateSet) < 0) {
+    if (esxVI_RemoteRequest_Execute(conn, ctx, remoteRequest, &remoteResponse,
+                                    esxVI_Boolean_False) < 0 ||
+        esxVI_UpdateSet_Deserialize(conn, remoteResponse->node,
+                                    updateSet) < 0) {
        goto failure;
    }

@ -870,13 +851,10 @@ esxVI_ValidateMigration(virConnectPtr conn, esxVI_Context *ctx,
    remoteRequest->xpathExpression =
      ESX_VI__SOAP__RESPONSE_XPATH("ValidateMigration");

-    if (esxVI_RemoteRequest_Execute(conn, ctx, remoteRequest,
-                                    &remoteResponse) < 0 ||
-        esxVI_RemoteResponse_DeserializeXPathObjectList
-          (conn, remoteResponse,
-           (esxVI_RemoteResponse_DeserializeListFunc)
-             esxVI_Event_DeserializeList,
-           (esxVI_List **)eventList) < 0) {
+    if (esxVI_RemoteRequest_Execute(conn, ctx, remoteRequest, &remoteResponse,
+                                    esxVI_Boolean_True) < 0 ||
+        esxVI_Event_DeserializeList(conn, remoteResponse->node,
+                                    eventList) < 0) {
        goto failure;
    }

@ -954,10 +932,10 @@ esxVI_FindByIp(virConnectPtr conn, esxVI_Context *ctx,
    remoteRequest->xpathExpression =
      ESX_VI__SOAP__RESPONSE_XPATH("FindByIp");

-    if (esxVI_RemoteRequest_Execute(conn, ctx, remoteRequest,
-                                    &remoteResponse) < 0 ||
-        esxVI_RemoteResponse_DeserializeXPathObjectAsManagedObjectReference
-          (conn, remoteResponse, managedObjectReference,
+    if (esxVI_RemoteRequest_Execute(conn, ctx, remoteRequest, &remoteResponse,
+                                    esxVI_Boolean_False) < 0 ||
+        esxVI_ManagedObjectReference_Deserialize
+          (conn, remoteResponse->node, managedObjectReference,
           vmSearch == esxVI_Boolean_True ? "VirtualMachine"
                                          : "HostSystem") < 0) {
        goto failure;
@ -1040,10 +1018,10 @@ esxVI_FindByUuid(virConnectPtr conn, esxVI_Context *ctx,
    remoteRequest->xpathExpression =
      ESX_VI__SOAP__RESPONSE_XPATH("FindByUuid");

-    if (esxVI_RemoteRequest_Execute(conn, ctx, remoteRequest,
-                                    &remoteResponse) < 0 ||
-        esxVI_RemoteResponse_DeserializeXPathObjectAsManagedObjectReference
-          (conn, remoteResponse, managedObjectReference,
+    if (esxVI_RemoteRequest_Execute(conn, ctx, remoteRequest, &remoteResponse,
+                                    esxVI_Boolean_False) < 0 ||
+        esxVI_ManagedObjectReference_Deserialize
+          (conn, remoteResponse->node, managedObjectReference,
           vmSearch == esxVI_Boolean_True ? "VirtualMachine"
                                          : "HostSystem") < 0) {
        goto failure;
@ -1126,13 +1104,10 @@ esxVI_QueryAvailablePerfMetric(virConnectPtr conn, esxVI_Context *ctx,
    remoteRequest->xpathExpression =
      ESX_VI__SOAP__RESPONSE_XPATH("QueryAvailablePerfMetric");

-    if (esxVI_RemoteRequest_Execute(conn, ctx, remoteRequest,
-                                    &remoteResponse) < 0 ||
-        esxVI_RemoteResponse_DeserializeXPathObjectList
-          (conn, remoteResponse,
-           (esxVI_RemoteResponse_DeserializeListFunc)
-             esxVI_PerfMetricId_DeserializeList,
-           (esxVI_List **)perfMetricIdList) < 0) {
+    if (esxVI_RemoteRequest_Execute(conn, ctx, remoteRequest, &remoteResponse,
+                                    esxVI_Boolean_True) < 0 ||
+        esxVI_PerfMetricId_DeserializeList(conn, remoteResponse->node,
+                                           perfMetricIdList) < 0) {
        goto failure;
    }

@ -1204,13 +1179,10 @@ esxVI_QueryPerfCounter(virConnectPtr conn, esxVI_Context *ctx,
    remoteRequest->xpathExpression =
      ESX_VI__SOAP__RESPONSE_XPATH("QueryPerfCounter");

-    if (esxVI_RemoteRequest_Execute(conn, ctx, remoteRequest,
-                                    &remoteResponse) < 0 ||
-        esxVI_RemoteResponse_DeserializeXPathObjectList
-          (conn, remoteResponse,
-           (esxVI_RemoteResponse_DeserializeListFunc)
-             esxVI_PerfCounterInfo_DeserializeList,
-           (esxVI_List **)perfCounterInfoList) < 0) {
+    if (esxVI_RemoteRequest_Execute(conn, ctx, remoteRequest, &remoteResponse,
+                                    esxVI_Boolean_True) < 0 ||
+        esxVI_PerfCounterInfo_DeserializeList(conn, remoteResponse->node,
+                                              perfCounterInfoList) < 0) {
        goto failure;
    }

@ -1282,13 +1254,10 @@ esxVI_QueryPerf(virConnectPtr conn, esxVI_Context *ctx,
    remoteRequest->request = virBufferContentAndReset(&buffer);
    remoteRequest->xpathExpression = ESX_VI__SOAP__RESPONSE_XPATH("QueryPerf");

-    if (esxVI_RemoteRequest_Execute(conn, ctx, remoteRequest,
-                                    &remoteResponse) < 0 ||
-        esxVI_RemoteResponse_DeserializeXPathObjectList
-          (conn, remoteResponse,
-           (esxVI_RemoteResponse_DeserializeListFunc)
-             esxVI_PerfEntityMetric_DeserializeList,
-           (esxVI_List **)perfEntityMetricList) < 0) {
+    if (esxVI_RemoteRequest_Execute(conn, ctx, remoteRequest, &remoteResponse,
+                                    esxVI_Boolean_True) < 0 ||
+        esxVI_PerfEntityMetric_DeserializeList(conn, remoteResponse->node,
+                                               perfEntityMetricList) < 0) {
        goto failure;
    }