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: Ibd2a0b512bfb7caf65bfab64b271d194da520aac
diff --git a/include/ipmid/utils.hpp b/include/ipmid/utils.hpp
index 5e049c5..26a2bab 100644
--- a/include/ipmid/utils.hpp
+++ b/include/ipmid/utils.hpp
@@ -57,7 +57,7 @@
      *  @param[in] bus - The bus associated with and used for looking
      *                   up the service.
      */
-    const std::string& getService(sdbusplus::bus::bus& bus);
+    const std::string& getService(sdbusplus::bus_t& bus);
 
     /** @brief Invalidates the current service name */
     void invalidate();
@@ -69,16 +69,15 @@
      *  @param[in] method - The method name
      *  @return The message containing the method call.
      */
-    sdbusplus::message::message newMethodCall(sdbusplus::bus::bus& bus,
-                                              const char* intf,
-                                              const char* method);
+    sdbusplus::message_t newMethodCall(sdbusplus::bus_t& bus, const char* intf,
+                                       const char* method);
 
     /** @brief Check to see if the current cache is valid
      *
      * @param[in] bus - The bus used for the service lookup
      * @return True if the cache is valid false otherwise.
      */
-    bool isValid(sdbusplus::bus::bus& bus) const;
+    bool isValid(sdbusplus::bus_t& bus) const;
 
   private:
     /** @brief DBUS interface provided by the service */
@@ -99,7 +98,7 @@
  * @param[in] path - DBUS Object Path
  *
  */
-std::string getService(sdbusplus::bus::bus& bus, const std::string& intf,
+std::string getService(sdbusplus::bus_t& bus, const std::string& intf,
                        const std::string& path);
 
 /** @brief Gets the dbus object info implementing the given interface
@@ -110,7 +109,7 @@
  *  @param[in] match - identifier for object.
  *  @return On success returns the object having objectpath and servicename.
  */
-DbusObjectInfo getDbusObject(sdbusplus::bus::bus& bus,
+DbusObjectInfo getDbusObject(sdbusplus::bus_t& bus,
                              const std::string& interface,
                              const std::string& subtreePath = ROOT,
                              const std::string& match = {});
@@ -124,7 +123,7 @@
  *  @param[in] property - name of the property.
  *  @return On success returns the value of the property.
  */
-Value getDbusProperty(sdbusplus::bus::bus& bus, const std::string& service,
+Value getDbusProperty(sdbusplus::bus_t& bus, const std::string& service,
                       const std::string& objPath, const std::string& interface,
                       const std::string& property,
                       std::chrono::microseconds timeout = IPMI_DBUS_TIMEOUT);
@@ -138,7 +137,7 @@
  *  @return On success returns the map of name value pair.
  */
 PropertyMap
-    getAllDbusProperties(sdbusplus::bus::bus& bus, const std::string& service,
+    getAllDbusProperties(sdbusplus::bus_t& bus, const std::string& service,
                          const std::string& objPath,
                          const std::string& interface,
                          std::chrono::microseconds timeout = IPMI_DBUS_TIMEOUT);
@@ -150,7 +149,7 @@
  *  @param[in] objPath - D-Bus object path.
  *  @return On success returns the map of name value pair.
  */
-ObjectValueTree getManagedObjects(sdbusplus::bus::bus& bus,
+ObjectValueTree getManagedObjects(sdbusplus::bus_t& bus,
                                   const std::string& service,
                                   const std::string& objPath);
 
@@ -162,7 +161,7 @@
  *  @param[in] property - name of the property.
  *  @param[in] value - value which needs to be set.
  */
-void setDbusProperty(sdbusplus::bus::bus& bus, const std::string& service,
+void setDbusProperty(sdbusplus::bus_t& bus, const std::string& service,
                      const std::string& objPath, const std::string& interface,
                      const std::string& property, const Value& value,
                      std::chrono::microseconds timeout = IPMI_DBUS_TIMEOUT);
@@ -175,7 +174,7 @@
  *  @param[in] match - Identifier for a path.
  *  @returns map of object path and service info.
  */
-ObjectTree getAllDbusObjects(sdbusplus::bus::bus& bus,
+ObjectTree getAllDbusObjects(sdbusplus::bus_t& bus,
                              const std::string& serviceRoot,
                              const std::string& interface,
                              const std::string& match = {});
@@ -187,8 +186,7 @@
  *  @param[in] interface - Dbus interface.
  *  @param[in] match - Identifier for object.
  */
-void deleteAllDbusObjects(sdbusplus::bus::bus& bus,
-                          const std::string& serviceRoot,
+void deleteAllDbusObjects(sdbusplus::bus_t& bus, const std::string& serviceRoot,
                           const std::string& interface,
                           const std::string& match = {});
 
@@ -199,7 +197,7 @@
  *  @param[in] interfaces - Dbus interface list.
  *  @return map of object path and service info.
  */
-ObjectTree getAllAncestors(sdbusplus::bus::bus& bus, const std::string& path,
+ObjectTree getAllAncestors(sdbusplus::bus_t& bus, const std::string& path,
                            InterfaceList&& interfaces);
 
 /********* Begin co-routine yielding alternatives ***************/
@@ -434,7 +432,7 @@
  *  @param[in] interface - Dbus interface.
  *  @param[in] method - Dbus method.
  */
-void callDbusMethod(sdbusplus::bus::bus& bus, const std::string& service,
+void callDbusMethod(sdbusplus::bus_t& bus, const std::string& service,
                     const std::string& objPath, const std::string& interface,
                     const std::string& method);