sdbusplus: use shorter type aliases

The sdbusplus headers provide shortened aliases for many types.
Switch to using them to provide better code clarity and shorter
lines.  Possible replacements are for:
  * bus_t
  * exception_t
  * manager_t
  * match_t
  * message_t
  * object_t
  * slot_t

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: If9a7314dade153dd7dbd149a76352aca8257839d
diff --git a/activation.cpp b/activation.cpp
index 0ab5eb5..b873702 100644
--- a/activation.cpp
+++ b/activation.cpp
@@ -47,7 +47,7 @@
     {
         this->bus.call_noreply(method);
     }
-    catch (const sdbusplus::exception::exception& e)
+    catch (const sdbusplus::exception_t& e)
     {
         if (e.name() != nullptr &&
             strcmp("org.freedesktop.systemd1.AlreadySubscribed", e.name()) == 0)
@@ -117,7 +117,7 @@
             return;
         }
     }
-    catch (const sdbusplus::exception::exception& e)
+    catch (const sdbusplus::exception_t& e)
     {
         log<level::ERR>("Error in Get Delete Object",
                         entry("VERSIONPATH=%s", path.c_str()));
@@ -147,7 +147,7 @@
     {
         bus.call(method);
     }
-    catch (const sdbusplus::exception::exception& e)
+    catch (const sdbusplus::exception_t& e)
     {
         if (e.name() != nullptr && strcmp("System.Error.ELOOP", e.name()) == 0)
         {
@@ -192,7 +192,7 @@
                 return true;
             }
         }
-        catch (const sdbusplus::exception::exception& e)
+        catch (const sdbusplus::exception_t& e)
         {
             log<level::ERR>("Error in getting ApplyTime",
                             entry("ERROR=%s", e.what()));
@@ -220,7 +220,7 @@
     {
         auto reply = bus.call(method);
     }
-    catch (const sdbusplus::exception::exception& e)
+    catch (const sdbusplus::exception_t& e)
     {
         log<level::ALERT>("Error in trying to reboot the Host. "
                           "The Host needs to be manually rebooted to complete "
@@ -286,7 +286,7 @@
         reply.read(fieldMode);
         return std::get<bool>(fieldMode);
     }
-    catch (const sdbusplus::exception::exception& e)
+    catch (const sdbusplus::exception_t& e)
     {
         log<level::ERR>("Error in fieldModeEnabled getValue");
         elog<InternalFailure>();
diff --git a/activation.hpp b/activation.hpp
index cc2df97..31f7023 100644
--- a/activation.hpp
+++ b/activation.hpp
@@ -23,16 +23,16 @@
 
 using AssociationList =
     std::vector<std::tuple<std::string, std::string, std::string>>;
-using ActivationInherit = sdbusplus::server::object::object<
+using ActivationInherit = sdbusplus::server::object_t<
     sdbusplus::xyz::openbmc_project::Software::server::ExtendedVersion,
     sdbusplus::xyz::openbmc_project::Software::server::Activation,
     sdbusplus::xyz::openbmc_project::Association::server::Definitions>;
-using ActivationBlocksTransitionInherit = sdbusplus::server::object::object<
-    sdbusplus::xyz::openbmc_project::Software::server::
-        ActivationBlocksTransition>;
-using RedundancyPriorityInherit = sdbusplus::server::object::object<
+using ActivationBlocksTransitionInherit =
+    sdbusplus::server::object_t<sdbusplus::xyz::openbmc_project::Software::
+                                    server::ActivationBlocksTransition>;
+using RedundancyPriorityInherit = sdbusplus::server::object_t<
     sdbusplus::xyz::openbmc_project::Software::server::RedundancyPriority>;
-using ActivationProgressInherit = sdbusplus::server::object::object<
+using ActivationProgressInherit = sdbusplus::server::object_t<
     sdbusplus::xyz::openbmc_project::Software::server::ActivationProgress>;
 
 constexpr auto applyTimeImmediate =
@@ -69,7 +69,7 @@
      *  @param[in] parent - Parent object.
      *  @param[in] value  - The redundancyPriority value
      */
-    RedundancyPriority(sdbusplus::bus::bus& bus, const std::string& path,
+    RedundancyPriority(sdbusplus::bus_t& bus, const std::string& path,
                        Activation& parent, uint8_t value) :
         RedundancyPriorityInherit(bus, path.c_str(),
                                   action::emit_interface_added),
@@ -110,8 +110,7 @@
      * @param[in] bus    - The Dbus bus object
      * @param[in] path   - The Dbus object path
      */
-    ActivationBlocksTransition(sdbusplus::bus::bus& bus,
-                               const std::string& path) :
+    ActivationBlocksTransition(sdbusplus::bus_t& bus, const std::string& path) :
         ActivationBlocksTransitionInherit(bus, path.c_str(),
                                           action::emit_interface_added)
 
@@ -126,7 +125,7 @@
      * @param[in] bus    - The Dbus bus object
      * @param[in] path   - The Dbus object path
      */
-    ActivationProgress(sdbusplus::bus::bus& bus, const std::string& path) :
+    ActivationProgress(sdbusplus::bus_t& bus, const std::string& path) :
         ActivationProgressInherit(bus, path.c_str(),
                                   action::emit_interface_added)
     {
@@ -152,7 +151,7 @@
      * @param[in] activationStatus - The status of Activation
      * @param[in] assocs - Association objects
      */
-    Activation(sdbusplus::bus::bus& bus, const std::string& path,
+    Activation(sdbusplus::bus_t& bus, const std::string& path,
                ItemUpdater& parent, const std::string& versionId,
                const std::string& extVersion,
                sdbusplus::xyz::openbmc_project::Software::server::Activation::
@@ -207,7 +206,7 @@
     void unsubscribeFromSystemdSignals();
 
     /** @brief Persistent sdbusplus DBus bus connection */
-    sdbusplus::bus::bus& bus;
+    sdbusplus::bus_t& bus;
 
     /** @brief Persistent DBus object path */
     std::string path;
@@ -253,7 +252,7 @@
      * @param[in]  msg       - Data associated with subscribed signal
      *
      */
-    virtual void unitStateChange(sdbusplus::message::message& msg) = 0;
+    virtual void unitStateChange(sdbusplus::message_t& msg) = 0;
 
     /**
      * @brief Deletes the version from Image Manager and the
diff --git a/functions.cpp b/functions.cpp
index fe112a4..c06108f 100644
--- a/functions.cpp
+++ b/functions.cpp
@@ -40,7 +40,7 @@
 /**
  * @brief Returns the managed objects for a given service
  */
-ManagedObjectType getManagedObjects(sdbusplus::bus::bus& bus,
+ManagedObjectType getManagedObjects(sdbusplus::bus_t& bus,
                                     const std::string& service)
 {
     auto method = bus.new_method_call(service.c_str(), "/",
@@ -54,7 +54,7 @@
         auto reply = bus.call(method);
         reply.read(objects);
     }
-    catch (const sdbusplus::exception::exception& e)
+    catch (const sdbusplus::exception_t& e)
     {
         return ManagedObjectType{};
     }
@@ -419,7 +419,7 @@
                       std::variant<PendingAttributesType>(pendingAttributes));
         bus.call(method);
     }
-    catch (const sdbusplus::exception::exception& e)
+    catch (const sdbusplus::exception_t& e)
     {
         log<level::INFO>("Error setting the bios attribute",
                          entry("ERROR=%s", e.what()),
@@ -480,7 +480,7 @@
         {
             callback(ibmCompatibleSystem);
         }
-        catch (const sdbusplus::exception::exception& e)
+        catch (const sdbusplus::exception_t& e)
         {
             return false;
         }
@@ -506,7 +506,7 @@
  * @return true if message contained an instance of
  * xyz.openbmc_project.Configuration.IBMCompatibleSystem, false otherwise
  */
-bool maybeCallMessage(sdbusplus::message::message& message,
+bool maybeCallMessage(sdbusplus::message_t& message,
                       const MaybeCallCallbackType& callback)
 {
     std::map<std::string,
@@ -575,7 +575,7 @@
         {
             setBiosAttr(elementsJsonFilePath, extensions);
         }
-        catch (const sdbusplus::exception::exception& e)
+        catch (const sdbusplus::exception_t& e)
         {
             throw;
         }
@@ -613,7 +613,7 @@
  * pointer to an sdbusplus match object.
  */
 std::shared_ptr<void> processHostFirmware(
-    sdbusplus::bus::bus& bus,
+    sdbusplus::bus_t& bus,
     std::map<std::string, std::vector<std::string>> extensionMap,
     std::filesystem::path hostFirmwareDirectory,
     ErrorCallbackType errorCallback, sdeventplus::Event& loop)
@@ -631,7 +631,7 @@
 
     // register for a callback in case the IBMCompatibleSystem interface has
     // not yet been published by entity manager.
-    auto interfacesAddedMatch = std::make_shared<sdbusplus::bus::match::match>(
+    auto interfacesAddedMatch = std::make_shared<sdbusplus::bus::match_t>(
         bus,
         sdbusplus::bus::match::rules::interfacesAdded() +
             sdbusplus::bus::match::rules::sender(
@@ -675,7 +675,7 @@
         auto reply = bus.call(getManagedObjects);
         reply.read(objects);
     }
-    catch (const sdbusplus::exception::exception& e)
+    catch (const sdbusplus::exception_t& e)
     {
         // Error querying the EntityManager interface. Return the match to have
         // the callback run if/when the interface appears in D-Bus.
@@ -726,7 +726,7 @@
  * @return nullptr
  */
 std::vector<std::shared_ptr<void>> updateBiosAttrTable(
-    sdbusplus::bus::bus& bus,
+    sdbusplus::bus_t& bus,
     std::map<std::string, std::vector<std::string>> extensionMap,
     std::filesystem::path elementsJsonFilePath, sdeventplus::Event& loop)
 {
@@ -748,7 +748,7 @@
 
     // Entity Manager is needed to get the list of supported extensions. Add a
     // match to monitor interfaces added in case it's not running yet.
-    matches.emplace_back(std::make_shared<sdbusplus::bus::match::match>(
+    matches.emplace_back(std::make_shared<sdbusplus::bus::match_t>(
         bus,
         sdbusplus::bus::match::rules::interfacesAdded() +
             sdbusplus::bus::match::rules::sender(
@@ -764,7 +764,7 @@
     // The BIOS attribute table can only be updated if PLDM is running because
     // PLDM is the one that exposes this property. Add a match to monitor when
     // the PLDM service starts.
-    matches.emplace_back(std::make_shared<sdbusplus::bus::match::match>(
+    matches.emplace_back(std::make_shared<sdbusplus::bus::match_t>(
         bus,
         sdbusplus::bus::match::rules::nameOwnerChanged() +
             sdbusplus::bus::match::rules::arg0namespace(
diff --git a/functions.hpp b/functions.hpp
index 0cd788e..2fa25c0 100644
--- a/functions.hpp
+++ b/functions.hpp
@@ -12,6 +12,7 @@
 {
 class bus;
 } // namespace bus
+using bus_t = bus::bus;
 } // namespace sdbusplus
 
 namespace sdeventplus
@@ -43,10 +44,10 @@
         std::map<std::string, std::variant<std::vector<std::string>>>>&,
     const MaybeCallCallbackType&);
 std::shared_ptr<void> processHostFirmware(
-    sdbusplus::bus::bus&, std::map<std::string, std::vector<std::string>>,
+    sdbusplus::bus_t&, std::map<std::string, std::vector<std::string>>,
     std::filesystem::path, ErrorCallbackType, sdeventplus::Event&);
 std::vector<std::shared_ptr<void>>
-    updateBiosAttrTable(sdbusplus::bus::bus&,
+    updateBiosAttrTable(sdbusplus::bus_t&,
                         std::map<std::string, std::vector<std::string>>,
                         std::filesystem::path, sdeventplus::Event&);
 } // namespace process_hostfirmware
diff --git a/item_updater.cpp b/item_updater.cpp
index b57650a..3173481 100644
--- a/item_updater.cpp
+++ b/item_updater.cpp
@@ -21,7 +21,7 @@
 using namespace sdbusplus::xyz::openbmc_project::Common::Error;
 using namespace phosphor::logging;
 
-void ItemUpdater::createActivation(sdbusplus::message::message& m)
+void ItemUpdater::createActivation(sdbusplus::message_t& m)
 {
     using SVersion = server::Version;
     using VersionPurpose = SVersion::VersionPurpose;
@@ -233,7 +233,7 @@
             elog<InternalFailure>();
         }
     }
-    catch (const sdbusplus::exception::exception& e)
+    catch (const sdbusplus::exception_t& e)
     {
         log<level::ERR>("Error in Mapper call");
         elog<InternalFailure>();
@@ -253,7 +253,7 @@
         auto strParam = std::get<std::string>(currentChassisState);
         return (strParam != CHASSIS_STATE_OFF);
     }
-    catch (const sdbusplus::exception::exception& e)
+    catch (const sdbusplus::exception_t& e)
     {
         log<level::ERR>("Error in fetching current Chassis State",
                         entry("MAPPERRESPONSE=%s",
diff --git a/item_updater.hpp b/item_updater.hpp
index d104dc4..0b880c7 100644
--- a/item_updater.hpp
+++ b/item_updater.hpp
@@ -18,13 +18,13 @@
 namespace updater
 {
 
-using ItemUpdaterInherit = sdbusplus::server::object::object<
+using ItemUpdaterInherit = sdbusplus::server::object_t<
     sdbusplus::xyz::openbmc_project::Common::server::FactoryReset,
     sdbusplus::xyz::openbmc_project::Association::server::Definitions,
     sdbusplus::xyz::openbmc_project::Collection::server::DeleteAll>;
-using GardResetInherit = sdbusplus::server::object::object<
+using GardResetInherit = sdbusplus::server::object_t<
     sdbusplus::xyz::openbmc_project::Common::server::FactoryReset>;
-using ObjectEnable = sdbusplus::server::object::object<
+using ObjectEnable = sdbusplus::server::object_t<
     sdbusplus::xyz::openbmc_project::Object::server::Enable>;
 namespace MatchRules = sdbusplus::bus::match::rules;
 
@@ -47,7 +47,7 @@
      * @param[in] bus    - The Dbus bus object
      * @param[in] path   - The Dbus object path
      */
-    GardReset(sdbusplus::bus::bus& bus, const std::string& path) :
+    GardReset(sdbusplus::bus_t& bus, const std::string& path) :
         GardResetInherit(bus, path.c_str(),
                          GardResetInherit::action::emit_interface_added),
         bus(bus), path(path)
@@ -59,7 +59,7 @@
   protected:
     // TODO Remove once openbmc/openbmc#1975 is resolved
     static constexpr auto interface = "xyz.openbmc_project.Common.FactoryReset";
-    sdbusplus::bus::bus& bus;
+    sdbusplus::bus_t& bus;
     std::string path;
 
     /**
@@ -79,7 +79,7 @@
      * @param[in] bus    - The D-Bus bus object
      * @param[in] path   - The D-Bus path
      */
-    ItemUpdater(sdbusplus::bus::bus& bus, const std::string& path) :
+    ItemUpdater(sdbusplus::bus_t& bus, const std::string& path) :
         ItemUpdaterInherit(bus, path.c_str()), bus(bus),
         versionMatch(bus,
                      MatchRules::interfacesAdded() +
@@ -178,7 +178,7 @@
      *
      * @param[in]  msg       - Data associated with subscribed signal
      */
-    virtual void createActivation(sdbusplus::message::message& msg);
+    virtual void createActivation(sdbusplus::message_t& msg);
 
     /** @brief Create Activation object */
     virtual std::unique_ptr<Activation> createActivationObject(
@@ -201,7 +201,7 @@
     virtual bool validateImage(const std::string& path) = 0;
 
     /** @brief Persistent sdbusplus D-Bus bus connection. */
-    sdbusplus::bus::bus& bus;
+    sdbusplus::bus_t& bus;
 
     /** @brief Persistent map of Activation D-Bus objects and their
      * version id */
diff --git a/item_updater_main.cpp b/item_updater_main.cpp
index 556e03d..855aaf2 100644
--- a/item_updater_main.cpp
+++ b/item_updater_main.cpp
@@ -28,10 +28,9 @@
 {
 namespace updater
 {
-void initializeService(sdbusplus::bus::bus& bus)
+void initializeService(sdbusplus::bus_t& bus)
 {
-    static sdbusplus::server::manager::manager objManager(bus,
-                                                          SOFTWARE_OBJPATH);
+    static sdbusplus::server::manager_t objManager(bus, SOFTWARE_OBJPATH);
 #ifdef UBIFS_LAYOUT
     static ItemUpdaterUbi updater(bus, SOFTWARE_OBJPATH);
     static Watch watch(
diff --git a/mmc/activation_mmc.cpp b/mmc/activation_mmc.cpp
index b5a5669..a50e99b 100644
--- a/mmc/activation_mmc.cpp
+++ b/mmc/activation_mmc.cpp
@@ -16,7 +16,7 @@
 void ActivationMMC::startActivation()
 {}
 
-void ActivationMMC::unitStateChange(sdbusplus::message::message&)
+void ActivationMMC::unitStateChange(sdbusplus::message_t&)
 {}
 
 void ActivationMMC::finishActivation()
diff --git a/mmc/activation_mmc.hpp b/mmc/activation_mmc.hpp
index 68caf36..aca8811 100644
--- a/mmc/activation_mmc.hpp
+++ b/mmc/activation_mmc.hpp
@@ -22,7 +22,7 @@
     Activations activation(Activations value) override;
 
   private:
-    void unitStateChange(sdbusplus::message::message& msg) override;
+    void unitStateChange(sdbusplus::message_t& msg) override;
     void startActivation() override;
     void finishActivation() override;
 };
diff --git a/mmc/item_updater_mmc.hpp b/mmc/item_updater_mmc.hpp
index 76dfcaa..a8b495b 100644
--- a/mmc/item_updater_mmc.hpp
+++ b/mmc/item_updater_mmc.hpp
@@ -28,7 +28,7 @@
 class ItemUpdaterMMC : public ItemUpdater
 {
   public:
-    ItemUpdaterMMC(sdbusplus::bus::bus& bus, const std::string& path) :
+    ItemUpdaterMMC(sdbusplus::bus_t& bus, const std::string& path) :
         ItemUpdater(bus, path)
     {
         processPNORImage();
diff --git a/msl_verify.cpp b/msl_verify.cpp
index e59e250..1be1d04 100644
--- a/msl_verify.cpp
+++ b/msl_verify.cpp
@@ -93,7 +93,7 @@
     {
         response.read(associations);
     }
-    catch (const sdbusplus::exception::exception& e)
+    catch (const sdbusplus::exception_t& e)
     {
         log<level::ERR>("Failed to read software associations",
                         entry("ERROR=%s", e.what()),
@@ -123,7 +123,7 @@
                 response.read(functionalVersion);
                 return std::get<std::string>(functionalVersion);
             }
-            catch (const sdbusplus::exception::exception& e)
+            catch (const sdbusplus::exception_t& e)
             {
                 log<level::ERR>(
                     "Failed to read version property",
diff --git a/static/activation_static.cpp b/static/activation_static.cpp
index 8842f05..9b451cf 100644
--- a/static/activation_static.cpp
+++ b/static/activation_static.cpp
@@ -109,7 +109,7 @@
     activationProgress->progress(10);
 }
 
-void ActivationStatic::unitStateChange(sdbusplus::message::message& msg)
+void ActivationStatic::unitStateChange(sdbusplus::message_t& msg)
 {
     uint32_t newStateID{};
     sdbusplus::message::object_path newStateObjPath;
diff --git a/static/activation_static.hpp b/static/activation_static.hpp
index 8cf563c..d96a748 100644
--- a/static/activation_static.hpp
+++ b/static/activation_static.hpp
@@ -25,7 +25,7 @@
     Activations activation(Activations value) override;
 
   private:
-    void unitStateChange(sdbusplus::message::message& msg) override;
+    void unitStateChange(sdbusplus::message_t& msg) override;
     void startActivation() override;
     void finishActivation() override;
 
diff --git a/static/item_updater_static.hpp b/static/item_updater_static.hpp
index ce50462..6fc39a0 100644
--- a/static/item_updater_static.hpp
+++ b/static/item_updater_static.hpp
@@ -30,7 +30,7 @@
 class ItemUpdaterStatic : public ItemUpdater
 {
   public:
-    ItemUpdaterStatic(sdbusplus::bus::bus& bus, const std::string& path) :
+    ItemUpdaterStatic(sdbusplus::bus_t& bus, const std::string& path) :
         ItemUpdater(bus, path)
     {
         processPNORImage();
diff --git a/ubi/activation_ubi.cpp b/ubi/activation_ubi.cpp
index 946a741..205c393 100644
--- a/ubi/activation_ubi.cpp
+++ b/ubi/activation_ubi.cpp
@@ -129,7 +129,7 @@
     activationProgress->progress(10);
 }
 
-void ActivationUbi::unitStateChange(sdbusplus::message::message& msg)
+void ActivationUbi::unitStateChange(sdbusplus::message_t& msg)
 {
     uint32_t newStateID{};
     sdbusplus::message::object_path newStateObjPath;
diff --git a/ubi/activation_ubi.hpp b/ubi/activation_ubi.hpp
index 957ee06..26d4209 100644
--- a/ubi/activation_ubi.hpp
+++ b/ubi/activation_ubi.hpp
@@ -16,7 +16,7 @@
 class RedundancyPriorityUbi : public RedundancyPriority
 {
   public:
-    RedundancyPriorityUbi(sdbusplus::bus::bus& bus, const std::string& path,
+    RedundancyPriorityUbi(sdbusplus::bus_t& bus, const std::string& path,
                           Activation& parent, uint8_t value) :
         RedundancyPriority(bus, path, parent, value)
     {
@@ -60,7 +60,7 @@
      *created as part of the activation process. **/
     bool ubiVolumesCreated = false;
 
-    void unitStateChange(sdbusplus::message::message& msg) override;
+    void unitStateChange(sdbusplus::message_t& msg) override;
     void startActivation() override;
     void finishActivation() override;
 };
diff --git a/ubi/item_updater_ubi.hpp b/ubi/item_updater_ubi.hpp
index ccd8e57..f462bdf 100644
--- a/ubi/item_updater_ubi.hpp
+++ b/ubi/item_updater_ubi.hpp
@@ -30,7 +30,7 @@
 class ItemUpdaterUbi : public ItemUpdater
 {
   public:
-    ItemUpdaterUbi(sdbusplus::bus::bus& bus, const std::string& path) :
+    ItemUpdaterUbi(sdbusplus::bus_t& bus, const std::string& path) :
         ItemUpdater(bus, path)
     {
         processPNORImage();
diff --git a/utils.cpp b/utils.cpp
index f7a1194..f50e2b4 100644
--- a/utils.cpp
+++ b/utils.cpp
@@ -46,7 +46,7 @@
 using InternalFailure =
     sdbusplus::xyz::openbmc_project::Common::Error::InternalFailure;
 
-std::string getService(sdbusplus::bus::bus& bus, const std::string& path,
+std::string getService(sdbusplus::bus_t& bus, const std::string& path,
                        const std::string& intf)
 {
     auto mapper = bus.new_method_call(MAPPER_BUSNAME, MAPPER_PATH,
@@ -67,7 +67,7 @@
         }
         return mapperResponse[0].first;
     }
-    catch (const sdbusplus::exception::exception& ex)
+    catch (const sdbusplus::exception_t& ex)
     {
         log<level::ERR>("Mapper call failed", entry("METHOD=%d", "GetObject"),
                         entry("PATH=%s", path.c_str()),
@@ -76,7 +76,7 @@
     }
 }
 
-void hiomapdSuspend(sdbusplus::bus::bus& bus)
+void hiomapdSuspend(sdbusplus::bus_t& bus)
 {
     auto service = getService(bus, HIOMAPD_PATH, HIOMAPD_INTERFACE);
     auto method = bus.new_method_call(service.c_str(), HIOMAPD_PATH,
@@ -86,14 +86,14 @@
     {
         bus.call_noreply(method);
     }
-    catch (const sdbusplus::exception::exception& e)
+    catch (const sdbusplus::exception_t& e)
     {
         log<level::ERR>("Error in mboxd suspend call",
                         entry("ERROR=%s", e.what()));
     }
 }
 
-void hiomapdResume(sdbusplus::bus::bus& bus)
+void hiomapdResume(sdbusplus::bus_t& bus)
 {
     auto service = getService(bus, HIOMAPD_PATH, HIOMAPD_INTERFACE);
     auto method = bus.new_method_call(service.c_str(), HIOMAPD_PATH,
@@ -105,14 +105,14 @@
     {
         bus.call_noreply(method);
     }
-    catch (const sdbusplus::exception::exception& e)
+    catch (const sdbusplus::exception_t& e)
     {
         log<level::ERR>("Error in mboxd suspend call",
                         entry("ERROR=%s", e.what()));
     }
 }
 
-void setPendingAttributes(sdbusplus::bus::bus& bus, const std::string& attrName,
+void setPendingAttributes(sdbusplus::bus_t& bus, const std::string& attrName,
                           const std::string& attrValue)
 {
     constexpr auto biosConfigPath = "/xyz/openbmc_project/bios_config/manager";
@@ -135,7 +135,7 @@
                       std::variant<PendingAttributesType>(pendingAttributes));
         bus.call(method);
     }
-    catch (const sdbusplus::exception::exception& e)
+    catch (const sdbusplus::exception_t& e)
     {
         log<level::ERR>("Error setting the bios attribute",
                         entry("ERROR=%s", e.what()),
@@ -145,17 +145,17 @@
     }
 }
 
-void clearHMCManaged(sdbusplus::bus::bus& bus)
+void clearHMCManaged(sdbusplus::bus_t& bus)
 {
     setPendingAttributes(bus, "pvm_hmc_managed", "Disabled");
 }
 
-void setClearNvram(sdbusplus::bus::bus& bus)
+void setClearNvram(sdbusplus::bus_t& bus)
 {
     setPendingAttributes(bus, "pvm_clear_nvram", "Enabled");
 }
 
-void deleteAllErrorLogs(sdbusplus::bus::bus& bus)
+void deleteAllErrorLogs(sdbusplus::bus_t& bus)
 {
     constexpr auto loggingPath = "/xyz/openbmc_project/logging";
     constexpr auto deleteAllIntf = "xyz.openbmc_project.Collection.DeleteAll";
@@ -168,7 +168,7 @@
     {
         bus.call_noreply(method);
     }
-    catch (const sdbusplus::exception::exception& e)
+    catch (const sdbusplus::exception_t& e)
     {
         log<level::ERR>("Error deleting all error logs",
                         entry("ERROR=%s", e.what()));
diff --git a/utils.hpp b/utils.hpp
index 97b5e59..a5882fc 100644
--- a/utils.hpp
+++ b/utils.hpp
@@ -30,40 +30,40 @@
  * @return  Service name
  * @error   InternalFailure exception thrown
  */
-std::string getService(sdbusplus::bus::bus& bus, const std::string& path,
+std::string getService(sdbusplus::bus_t& bus, const std::string& path,
                        const std::string& intf);
 
 /** @brief Suspend hiomapd.
  *
  * @param[in] bus - The D-Bus bus object.
  */
-void hiomapdSuspend(sdbusplus::bus::bus& bus);
+void hiomapdSuspend(sdbusplus::bus_t& bus);
 
 /** @brief Resume hiomapd.
  *
  * @param[in] bus - The D-Bus bus object.
  */
-void hiomapdResume(sdbusplus::bus::bus& bus);
+void hiomapdResume(sdbusplus::bus_t& bus);
 
 /** @brief Set the Hardware Management Console Managed bios attribute to
  *         Disabled to clear the indication that the system is HMC-managed.
  *
  * @param[in] bus - The D-Bus bus object.
  */
-void clearHMCManaged(sdbusplus::bus::bus& bus);
+void clearHMCManaged(sdbusplus::bus_t& bus);
 
 /** @brief Set the Clear hypervisor NVRAM bios attribute to Enabled to indicate
  *         to the hypervisor to clear its NVRAM.
  *
  * @param[in] bus - The D-Bus bus object.
  */
-void setClearNvram(sdbusplus::bus::bus& bus);
+void setClearNvram(sdbusplus::bus_t& bus);
 
 /** @brief DeleteAll error logs
  *
  * @param[in] bus - The D-Bus bus object.
  */
-void deleteAllErrorLogs(sdbusplus::bus::bus& bus);
+void deleteAllErrorLogs(sdbusplus::bus_t& bus);
 
 } // namespace utils
 
diff --git a/version.cpp b/version.cpp
index d480c43..574e298 100644
--- a/version.cpp
+++ b/version.cpp
@@ -146,7 +146,7 @@
     }
 }
 
-void Version::updateDeleteInterface(sdbusplus::message::message& msg)
+void Version::updateDeleteInterface(sdbusplus::message_t& msg)
 {
     std::string interface, chassisState;
     std::map<std::string, std::variant<std::string>> properties;
diff --git a/version.hpp b/version.hpp
index 7cd2be7..9d2fa50 100644
--- a/version.hpp
+++ b/version.hpp
@@ -21,10 +21,10 @@
 
 typedef std::function<void(std::string)> eraseFunc;
 
-using VersionInherit = sdbusplus::server::object::object<
+using VersionInherit = sdbusplus::server::object_t<
     sdbusplus::xyz::openbmc_project::Software::server::Version,
     sdbusplus::xyz::openbmc_project::Common::server::FilePath>;
-using DeleteInherit = sdbusplus::server::object::object<
+using DeleteInherit = sdbusplus::server::object_t<
     sdbusplus::xyz::openbmc_project::Object::server::Delete>;
 
 namespace sdbusRule = sdbusplus::bus::match::rules;
@@ -46,7 +46,7 @@
      *  @param[in] path   - The D-Bus object path
      *  @param[in] parent - Parent object.
      */
-    Delete(sdbusplus::bus::bus& bus, const std::string& path, Version& parent) :
+    Delete(sdbusplus::bus_t& bus, const std::string& path, Version& parent) :
         DeleteInherit(bus, path.c_str(), action::emit_interface_added),
         parent(parent)
     {}
@@ -82,7 +82,7 @@
      * @param[in] filePath       - The image filesystem path
      * @param[in] callback       - The eraseFunc callback
      */
-    Version(sdbusplus::bus::bus& bus, const std::string& objPath,
+    Version(sdbusplus::bus_t& bus, const std::string& objPath,
             ItemUpdater& parent, const std::string& versionId,
             const std::string& versionString, VersionPurpose versionPurpose,
             const std::string& filePath, eraseFunc callback) :
@@ -118,7 +118,7 @@
      *
      * @param[in]  msg       - Data associated with subscribed signal
      */
-    void updateDeleteInterface(sdbusplus::message::message& msg);
+    void updateDeleteInterface(sdbusplus::message_t& msg);
 
     /**
      * @brief Read the manifest file to get the value of the key.
@@ -163,7 +163,7 @@
 
   private:
     /** @brief Persistent sdbusplus DBus bus connection */
-    sdbusplus::bus::bus& bus;
+    sdbusplus::bus_t& bus;
 
     /** @brief Persistent DBus object path */
     std::string objPath;