NetworkPkg: Add HTTP Driver

Add HTTP driver to support HTTP protocols defined in UEFI 2.5 specification.

Contributed-under: TianoCore Contribution Agreement 1.0

Signed-off-by: Ye Ting <ting.ye@intel.com>
Reviewed-by: Samer El-Haj-Mahmoud <elhaj@hp.com>
Reviewed-by: Fu Siyuan <siyuan.fu@intel.com>


git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17855 6f19259b-4bc3-4df7-8a09-765794883524

NetworkPkg/HttpDxe/HttpDns.h

@@ -0,0 +1,38 @@
+/** @file
+  The header file of routines for HttpDxe driver to perform DNS resolution based on UEFI DNS protocols.
+
+Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>
+This program and the accompanying materials
+are licensed and made available under the terms and conditions of the BSD License
+which accompanies this distribution.  The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#ifndef __EFI_HTTP_DNS_H__
+#define __EFI_HTTP_DNS_H__
+
+/**
+  Retrieve the host address using the EFI_DNS4_PROTOCOL.
+
+  @param[in]  HttpInstance        Pointer to HTTP_PROTOCOL instance.
+  @param[in]  HostName            Pointer to buffer containing hostname.
+  @param[out] IpAddress           On output, pointer to buffer containing IPv4 address.
+
+  @retval EFI_SUCCESS             Operation succeeded.
+  @retval EFI_OUT_OF_RESOURCES    Failed to allocate needed resources.
+  @retval EFI_DEVICE_ERROR        An unexpected network error occurred.
+  @retval Others                  Other errors as indicated.
+  
+**/
+EFI_STATUS
+HttpDns4 (
+  IN     HTTP_PROTOCOL            *HttpInstance,
+  IN     CHAR16                   *HostName,
+     OUT EFI_IPv4_ADDRESS         *IpAddress                
+  );
+
+#endif