[PATCH v3 4/5] NetworkPkg/HttpDxe: Detect 'Connection: close' header

["Oliver Steffen" <osteffen@redhat.com>]

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2720

Force connection close before the next request if
the server sends the 'Connection: close' header.

Signed-off-by: Oliver Steffen <osteffen@redhat.com>
---
 NetworkPkg/HttpDxe/HttpImpl.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/NetworkPkg/HttpDxe/HttpImpl.c b/NetworkPkg/HttpDxe/HttpImpl.c
index d8b014c94f3a..d40d55ac92ad 100644
--- a/NetworkPkg/HttpDxe/HttpImpl.c
+++ b/NetworkPkg/HttpDxe/HttpImpl.c
@@ -994,6 +994,7 @@ HttpResponseWorker (
   UINTN             HdrLen;
   NET_FRAGMENT      Fragment;
   UINT32            TimeoutValue;
+  UINTN             index;
 
   if ((Wrap == NULL) || (Wrap->HttpInstance == NULL)) {
     return EFI_INVALID_PARAMETER;
@@ -1200,6 +1201,16 @@ HttpResponseWorker (
       FreePool (HttpHeaders);
       HttpHeaders = NULL;
 
+      for (index = 0; index < HttpMsg->HeaderCount; ++index) {
+        if ((AsciiStriCmp ("Connection", HttpMsg->Headers[index].FieldName) == 0) &&
+            (AsciiStriCmp ("close", HttpMsg->Headers[index].FieldValue) == 0))
+        {
+          DEBUG ((DEBUG_VERBOSE, "Http: 'Connection: close' header received.\n"));
+          HttpInstance->ConnectionClose = TRUE;
+          break;
+        }
+      }
+
       //
       // Init message-body parser by header information.
       //
-- 
2.35.1