Add a hardware_class attribute (for HWID, HWQual ID) to the Omaha request.

omaha_request_params.h

 // Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROMEOS_PLATFORM_UPDATE_ENGINE_OMAHA_REQUEST_PARAMS_H__
 #define CHROMEOS_PLATFORM_UPDATE_ENGINE_OMAHA_REQUEST_PARAMS_H__
 
 #include <string>
 
 #include "base/basictypes.h"
 
 // This gathers local system information and prepares info used by the
 // Omaha request action.
 
 namespace chromeos_update_engine {
 
 // This struct encapsulates the data Omaha gets for the request.
 // These strings in this struct should not be XML escaped.
 struct OmahaRequestParams {
   OmahaRequestParams()
       : os_platform(kOsPlatform), os_version(kOsVersion), app_id(kAppId) {}
   OmahaRequestParams(const std::string& in_os_platform,
                      const std::string& in_os_version,
                      const std::string& in_os_sp,
                      const std::string& in_os_board,
                      const std::string& in_app_id,
                      const std::string& in_app_version,
                      const std::string& in_app_lang,
                      const std::string& in_app_track,
+                     const std::string& in_hardware_class,
                      const bool in_delta_okay,
                      const std::string& in_update_url)
       : os_platform(in_os_platform),
         os_version(in_os_version),
         os_sp(in_os_sp),
         os_board(in_os_board),
         app_id(in_app_id),
         app_version(in_app_version),
         app_lang(in_app_lang),
         app_track(in_app_track),
+        hardware_class(in_hardware_class),
         delta_okay(in_delta_okay),
         update_url(in_update_url) {}
 
   std::string os_platform;
   std::string os_version;
   std::string os_sp;
   std::string os_board;
   std::string app_id;
   std::string app_version;
   std::string app_lang;
   std::string app_track;
+  std::string hardware_class;  // Hardware Qualification ID of the client
   bool delta_okay;  // If this client can accept a delta
 
   std::string update_url;
 
   // Suggested defaults
   static const char* const kAppId;
   static const char* const kOsPlatform;
   static const char* const kOsVersion;
   static const char* const kUpdateUrl;
 };
@@ skipping 14 matching lines @@
  private:
   // Fetches the value for a given key from
   // /mnt/stateful_partition/etc/lsb-release if possible. Failing that,
   // it looks for the key in /etc/lsb-release.
   std::string GetLsbValue(const std::string& key,
                           const std::string& default_value) const;
 
   // Gets the machine type (e.g. "i686").
   std::string GetMachineType() const;
 
+  // Returns the hardware qualification ID of the system, or empty
+  // string if the HWID is unavailable.
+  std::string GetHardwareClass() const;
+
   // When reading files, prepend root_ to the paths. Useful for testing.
   std::string root_;
 
   DISALLOW_COPY_AND_ASSIGN(OmahaRequestDeviceParams);
 };
 
 }  // namespace chromeos_update_engine
 
 #endif  // CHROMEOS_PLATFORM_UPDATE_ENGINE_OMAHA_REQUEST_PARAMS_H__