use PDI constants for ObjectMapper

PDI already defines the constants we need here, use those instead of
duplicating.

Tested: Inspection only.

Change-Id: I86ad46a4aac757aa7b377b1e1709088a1e457102
Signed-off-by: Alexander Hansen <alexander.hansen@9elements.com>
diff --git a/libipmid/utils.cpp b/libipmid/utils.cpp
index 02d6758..e2fb65c 100644
--- a/libipmid/utils.cpp
+++ b/libipmid/utils.cpp
@@ -13,6 +13,7 @@
 #include <phosphor-logging/lg2.hpp>
 #include <sdbusplus/message/types.hpp>
 #include <xyz/openbmc_project/Common/error.hpp>
+#include <xyz/openbmc_project/ObjectMapper/common.hpp>
 
 #include <algorithm>
 #include <chrono>
@@ -24,6 +25,8 @@
 using namespace phosphor::logging;
 using namespace sdbusplus::error::xyz::openbmc_project::common;
 
+using ObjectMapper = sdbusplus::common::xyz::openbmc_project::ObjectMapper;
+
 namespace network
 {
 
@@ -200,10 +203,9 @@
 std::string getService(sdbusplus::bus_t& bus, const std::string& intf,
                        const std::string& path)
 {
-    auto mapperCall =
-        bus.new_method_call("xyz.openbmc_project.ObjectMapper",
-                            "/xyz/openbmc_project/object_mapper",
-                            "xyz.openbmc_project.ObjectMapper", "GetObject");
+    auto mapperCall = bus.new_method_call(
+        ObjectMapper::default_service, ObjectMapper::instance_path,
+        ObjectMapper::interface, ObjectMapper::method_names::get_object);
 
     mapperCall.append(path);
     mapperCall.append(std::vector<std::string>({intf}));
@@ -225,8 +227,9 @@
 ObjectTree getSubTree(sdbusplus::bus_t& bus, const InterfaceList& interfaces,
                       const std::string& subtreePath, int32_t depth)
 {
-    auto mapperCall = bus.new_method_call(MAPPER_BUS_NAME, MAPPER_OBJ,
-                                          MAPPER_INTF, "GetSubTree");
+    auto mapperCall = bus.new_method_call(
+        ObjectMapper::default_service, ObjectMapper::instance_path,
+        ObjectMapper::interface, ObjectMapper::method_names::get_sub_tree);
 
     mapperCall.append(subtreePath, depth, interfaces);
 
@@ -283,9 +286,9 @@
     boost::system::error_code ec;
     std::map<std::string, std::vector<std::string>> mapperResponse =
         ctx->bus->yield_method_call<decltype(mapperResponse)>(
-            ctx->yield, ec, "xyz.openbmc_project.ObjectMapper",
-            "/xyz/openbmc_project/object_mapper",
-            "xyz.openbmc_project.ObjectMapper", "GetObject", path,
+            ctx->yield, ec, ObjectMapper::default_service,
+            ObjectMapper::instance_path, ObjectMapper::interface,
+            ObjectMapper::method_names::get_object, path,
             std::vector<std::string>({intf}));
 
     if (!ec)
@@ -301,8 +304,10 @@
 {
     boost::system::error_code ec;
     objectTree = ctx->bus->yield_method_call<ObjectTree>(
-        ctx->yield, ec, MAPPER_BUS_NAME, MAPPER_OBJ, MAPPER_INTF, "GetSubTree",
-        subtreePath, depth, interfaces);
+        ctx->yield, ec, ObjectMapper::default_service,
+        ObjectMapper::instance_path, ObjectMapper::interface,
+        ObjectMapper::method_names::get_sub_tree, subtreePath, depth,
+        interfaces);
 
     return ec;
 }