HttpUtilitiesDxe.c

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#include "HttpUtilitiesDxe.h"
 
EFI_STATUS
EFIAPI
HttpUtilitiesDxeUnload (
  IN EFI_HANDLE  ImageHandle
  )
{
  EFI_STATUS                   Status;
  UINTN                        HandleNum;
  EFI_HANDLE                   *HandleBuffer;
  UINT32                       Index;
  EFI_HTTP_UTILITIES_PROTOCOL  *HttpUtilitiesProtocol;
 
  HandleBuffer = NULL;
 
  //
  // Locate all the handles with HttpUtilities protocol.
  //
  Status = gBS->LocateHandleBuffer (
                  ByProtocol,
                  &gEfiHttpUtilitiesProtocolGuid,
                  NULL,
                  &HandleNum,
                  &HandleBuffer
                  );
  if (EFI_ERROR (Status)) {
    return Status;
  }
 
  for (Index = 0; Index < HandleNum; Index++) {
    //
    // Firstly, find HttpUtilitiesProtocol interface
    //
    Status = gBS->OpenProtocol (
                    HandleBuffer[Index],
                    &gEfiHttpUtilitiesProtocolGuid,
                    (VOID **)&HttpUtilitiesProtocol,
                    ImageHandle,
                    NULL,
                    EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL
                    );
    if (EFI_ERROR (Status)) {
      return Status;
    }
 
    //
    // Then, uninstall HttpUtilities interface
    //
    Status = gBS->UninstallMultipleProtocolInterfaces (
                    HandleBuffer[Index],
                    &gEfiHttpUtilitiesProtocolGuid,
                    HttpUtilitiesProtocol,
                    NULL
                    );
    if (EFI_ERROR (Status)) {
      return Status;
    }
  }
 
  return EFI_SUCCESS;
}
 
EFI_STATUS
EFIAPI
HttpUtilitiesDxeDriverEntryPoint (
  IN EFI_HANDLE        ImageHandle,
  IN EFI_SYSTEM_TABLE  *SystemTable
  )
{
  EFI_STATUS  Status;
 
  EFI_HANDLE  Handle;
 
  Handle = NULL;
 
  //
  // Install the HttpUtilities Protocol onto Handle
  //
  Status = gBS->InstallMultipleProtocolInterfaces (
                  &Handle,
                  &gEfiHttpUtilitiesProtocolGuid,
                  &mHttpUtilitiesProtocol,
                  NULL
                  );
 
  return Status;
}