[edk2-devel] [PATCH v2] RedfishPkg/RedfishRestExDxe: return HTTP status code to caller.

["Nickle Wang via groups.io" <nicklew=nvidia.com@groups.io>]

Return unsupported HTTP status code to caller so caller can handle
HTTP error status code. Current implementation only return EFI error
to caller. Without knowing the HTTP status code, caller has trouble
to handle HTTP request failure.

Signed-off-by: Nickle Wang <nicklew@nvidia.com>
Cc: Abner Chang <abner.chang@amd.com>
Cc: Igor Kulchytskyy <igork@ami.com>
Cc: Nick Ramirez <nramirez@nvidia.com>
Cc: Mike Maslenkin <mike.maslenkin@gmail.com>
---
 MdePkg/Include/Protocol/RestEx.h              |  3 ++-
 .../RedfishRestExDxe/RedfishRestExProtocol.c  | 27 ++++++++++---------
 2 files changed, 16 insertions(+), 14 deletions(-)

diff --git a/MdePkg/Include/Protocol/RestEx.h b/MdePkg/Include/Protocol/RestEx.h
index e9bc7be94f2c..da9f1c3f87ef 100644
--- a/MdePkg/Include/Protocol/RestEx.h
+++ b/MdePkg/Include/Protocol/RestEx.h
@@ -131,7 +131,8 @@ typedef struct {
   response when the data is retrieved from the service. RequestMessage contains the HTTP
   request to the REST resource identified by RequestMessage.Request.Url. The
   ResponseMessage is the returned HTTP response for that request, including any HTTP
-  status.
+  status. It's caller's responsibility to free this ResponseMessage using FreePool().
+  RestConfigFreeHttpMessage() in RedfishLib is an example to release ResponseMessage structure.
 
   @param[in]  This                Pointer to EFI_REST_EX_PROTOCOL instance for a particular
                                   REST service.
diff --git a/RedfishPkg/RedfishRestExDxe/RedfishRestExProtocol.c b/RedfishPkg/RedfishRestExDxe/RedfishRestExProtocol.c
index 90973619f2bc..5bcdade4b18c 100644
--- a/RedfishPkg/RedfishRestExDxe/RedfishRestExProtocol.c
+++ b/RedfishPkg/RedfishRestExDxe/RedfishRestExProtocol.c
@@ -29,7 +29,8 @@ EFI_REST_EX_PROTOCOL  mRedfishRestExProtocol = {
   response when the data is retrieved from the service. RequestMessage contains the HTTP
   request to the REST resource identified by RequestMessage.Request.Url. The
   ResponseMessage is the returned HTTP response for that request, including any HTTP
-  status.
+  status. It's caller's responsibility to free this ResponseMessage using FreePool().
+  RestConfigFreeHttpMessage() in RedfishLib is an example to release ResponseMessage structure.
 
   @param[in]  This                Pointer to EFI_REST_EX_PROTOCOL instance for a particular
                                   REST service.
@@ -320,6 +321,18 @@ ReSendRequest:;
     DEBUG ((DEBUG_ERROR, "This HTTP Status is not handled!\n"));
     DumpHttpStatusCode (DEBUG_REDFISH_NETWORK, ResponseData->Response.StatusCode);
     Status = EFI_UNSUPPORTED;
+
+    //
+    // Deliver status code back to caller so caller can handle it.
+    //
+    ResponseMessage->Data.Response = AllocateZeroPool (sizeof (EFI_HTTP_RESPONSE_DATA));
+    if (ResponseMessage->Data.Response == NULL) {
+      Status = EFI_OUT_OF_RESOURCES;
+      goto ON_EXIT;
+    }
+
+    ResponseMessage->Data.Response->StatusCode = ResponseData->Response.StatusCode;
+
     goto ON_EXIT;
   }
 
@@ -443,18 +456,6 @@ ON_EXIT:
     FreePool (ResponseData);
   }
 
-  if (EFI_ERROR (Status)) {
-    if (ResponseMessage->Data.Response != NULL) {
-      FreePool (ResponseMessage->Data.Response);
-      ResponseMessage->Data.Response = NULL;
-    }
-
-    if (ResponseMessage->Body != NULL) {
-      FreePool (ResponseMessage->Body);
-      ResponseMessage->Body = NULL;
-    }
-  }
-
   return Status;
 }
 
-- 
2.17.1



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