Collect all FRUs VPD Dbus method in vpd-manager

This commit adds code to expose new dbus method CollectAllFRUVPD under
vpd-manager service for VPD collection for all the FRUs present in the
system config JSON.

Change-Id: I393ffc15d684d6a0934d12a7f4bc1e23fdda054d
Signed-off-by: Anupama B R <anupama.b.r1@ibm.com>
diff --git a/vpd-manager/oem-handler/ibm_handler.hpp b/vpd-manager/oem-handler/ibm_handler.hpp
index 68f021a..74429a2 100644
--- a/vpd-manager/oem-handler/ibm_handler.hpp
+++ b/vpd-manager/oem-handler/ibm_handler.hpp
@@ -44,6 +44,22 @@
         const std::shared_ptr<boost::asio::io_context>& i_ioCon,
         const std::shared_ptr<sdbusplus::asio::connection>& i_asioConnection);
 
+    /**
+     * @brief API to collect all FRUs VPD.
+     *
+     * This api will call worker API to perform VPD collection for all FRUs
+     * present in the system config JSON and publish it on DBus. Also updates
+     * the Dbus VPD collection status property hosted under vpd-manager.
+     *
+     * Note:
+     * System VPD collection will always be skipped.
+     * If host is in power on state, FRUs marked as 'powerOffOnly' in the
+     * system config JSON will be skipped.
+     *
+     * @throw JsonException, runtime_error
+     */
+    void collectAllFruVpd();
+
   private:
     /**
      * @brief API to set timer to detect system VPD over D-Bus.