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: I223d58649a21565678bd7ef78d955b30d3fd6d84
diff --git a/fault-monitor/fru-fault-monitor.cpp b/fault-monitor/fru-fault-monitor.cpp
index e1941cf..d0f5d00 100644
--- a/fault-monitor/fru-fault-monitor.cpp
+++ b/fault-monitor/fru-fault-monitor.cpp
@@ -47,7 +47,7 @@
 using InvalidArgumentErr =
     sdbusplus::xyz::openbmc_project::Common::Error::InvalidArgument;
 
-std::string getService(sdbusplus::bus::bus& bus, const std::string& path)
+std::string getService(sdbusplus::bus_t& bus, const std::string& path)
 {
     auto mapper = bus.new_method_call(MAPPER_BUSNAME, MAPPER_OBJ_PATH,
                                       MAPPER_IFACE, "GetObject");
@@ -59,7 +59,7 @@
         auto mapperResponseMsg = bus.call(mapper);
         mapperResponseMsg.read(mapperResponse);
     }
-    catch (const sdbusplus::exception::exception& e)
+    catch (const sdbusplus::exception_t& e)
     {
         lg2::error(
             "Failed to parse getService mapper response, ERROR = {ERROR}",
@@ -77,7 +77,7 @@
     return mapperResponse.cbegin()->first;
 }
 
-void action(sdbusplus::bus::bus& bus, const std::string& path, bool assert)
+void action(sdbusplus::bus_t& bus, const std::string& path, bool assert)
 {
     std::string service;
     try
@@ -116,7 +116,7 @@
     {
         bus.call_noreply(method);
     }
-    catch (const sdbusplus::exception::exception& e)
+    catch (const sdbusplus::exception_t& e)
     {
         // Log an info message, system may not have all the LED Groups defined
         lg2::info("Failed to Assert LED Group, ERROR = {ERROR}", "ERROR", e);
@@ -125,7 +125,7 @@
     return;
 }
 
-void Add::created(sdbusplus::message::message& msg)
+void Add::created(sdbusplus::message_t& msg)
 {
     auto bus = msg.get_bus();
 
@@ -135,7 +135,7 @@
     {
         msg.read(objectPath, interfaces);
     }
-    catch (const sdbusplus::exception::exception& e)
+    catch (const sdbusplus::exception_t& e)
     {
         lg2::error("Failed to parse created message, ERROR = {ERROR}", "ERROR",
                    e);
@@ -186,7 +186,7 @@
     return;
 }
 
-void getLoggingSubTree(sdbusplus::bus::bus& bus, MapperResponseType& subtree)
+void getLoggingSubTree(sdbusplus::bus_t& bus, MapperResponseType& subtree)
 {
     auto depth = 0;
     auto mapperCall = bus.new_method_call(MAPPER_BUSNAME, MAPPER_OBJ_PATH,
@@ -200,7 +200,7 @@
         auto mapperResponseMsg = bus.call(mapperCall);
         mapperResponseMsg.read(subtree);
     }
-    catch (const sdbusplus::exception::exception& e)
+    catch (const sdbusplus::exception_t& e)
     {
         lg2::error(
             "Failed to parse existing callouts subtree message, ERROR = {ERROR}",
@@ -208,7 +208,7 @@
     }
 }
 
-void Add::processExistingCallouts(sdbusplus::bus::bus& bus)
+void Add::processExistingCallouts(sdbusplus::bus_t& bus)
 {
     MapperResponseType mapperResponse;
 
@@ -239,7 +239,7 @@
         {
             reply.read(assoc);
         }
-        catch (const sdbusplus::exception::exception& e)
+        catch (const sdbusplus::exception_t& e)
         {
             lg2::error(
                 "Failed to parse existing callouts associations message, ERROR = {ERROR}",
@@ -265,7 +265,7 @@
     }
 }
 
-void Remove::removed(sdbusplus::message::message& msg)
+void Remove::removed(sdbusplus::message_t& msg)
 {
     auto bus = msg.get_bus();
 
diff --git a/fault-monitor/fru-fault-monitor.hpp b/fault-monitor/fru-fault-monitor.hpp
index 923a0f9..028e873 100644
--- a/fault-monitor/fru-fault-monitor.hpp
+++ b/fault-monitor/fru-fault-monitor.hpp
@@ -23,7 +23,7 @@
  *  @param[in] path      -  Inventory path of the FRU
  *  @param[in] assert    -  Assert if true deassert if false
  */
-void action(sdbusplus::bus::bus& bus, const std::string& path, bool assert);
+void action(sdbusplus::bus_t& bus, const std::string& path, bool assert);
 
 class Remove;
 
@@ -45,7 +45,7 @@
     /** @brief constructs Add a watch for FRU faults.
      *  @param[in] bus -  The Dbus bus object
      */
-    explicit Add(sdbusplus::bus::bus& bus) :
+    explicit Add(sdbusplus::bus_t& bus) :
         matchCreated(
             bus,
             sdbusplus::bus::match::rules::interfacesAdded() +
@@ -65,12 +65,12 @@
     /** @brief Callback function for fru fault created
      *  @param[in] msg       - Data associated with subscribed signal
      */
-    void created(sdbusplus::message::message& msg);
+    void created(sdbusplus::message_t& msg);
 
     /** @brief This function process all callouts at application start
      *  @param[in] bus - The Dbus bus object
      */
-    void processExistingCallouts(sdbusplus::bus::bus& bus);
+    void processExistingCallouts(sdbusplus::bus_t& bus);
 };
 
 /** @class Remove
@@ -92,7 +92,7 @@
      *  @param[in] bus  -  The Dbus bus object
      *  @param[in] path -  Inventory path to fru
      */
-    Remove(sdbusplus::bus::bus& bus, const std::string& path) :
+    Remove(sdbusplus::bus_t& bus, const std::string& path) :
         inventoryPath(path),
         matchRemoved(bus, match(path),
                      std::bind(std::mem_fn(&Remove::removed), this,
@@ -111,7 +111,7 @@
     /** @brief Callback function for fru fault created
      *  @param[in] msg       - Data associated with subscribed signal
      */
-    void removed(sdbusplus::message::message& msg);
+    void removed(sdbusplus::message_t& msg);
 
     /** @brief function to create fault remove match for a fru
      *  @param[in] path  - Inventory path of the faulty unit.
diff --git a/fault-monitor/monitor-main.cpp b/fault-monitor/monitor-main.cpp
index f4e2182..92b332d 100644
--- a/fault-monitor/monitor-main.cpp
+++ b/fault-monitor/monitor-main.cpp
@@ -9,7 +9,7 @@
 int main(void)
 {
     /** @brief Dbus constructs used by Fault Monitor */
-    sdbusplus::bus::bus bus = sdbusplus::bus::new_default();
+    sdbusplus::bus_t bus = sdbusplus::bus::new_default();
 
 #ifdef MONITOR_OPERATIONAL_STATUS
     phosphor::led::Operational::status::monitor::Monitor monitor(bus);
diff --git a/fault-monitor/operational-status-monitor.cpp b/fault-monitor/operational-status-monitor.cpp
index 1114463..26ee918 100644
--- a/fault-monitor/operational-status-monitor.cpp
+++ b/fault-monitor/operational-status-monitor.cpp
@@ -14,7 +14,7 @@
 namespace monitor
 {
 
-void Monitor::matchHandler(sdbusplus::message::message& msg)
+void Monitor::matchHandler(sdbusplus::message_t& msg)
 {
     // Get the ObjectPath of the `xyz.openbmc_project.Inventory.Manager`
     // service
@@ -72,7 +72,7 @@
                                            "xyz.openbmc_project.Association",
                                            "endpoints");
     }
-    catch (const sdbusplus::exception::exception& e)
+    catch (const sdbusplus::exception_t& e)
     {
         lg2::error(
             "Failed to get endpoints property, ERROR = {ERROR}, PATH = {PATH}",
@@ -98,7 +98,7 @@
             dBusHandler.setProperty(path, "xyz.openbmc_project.Led.Group",
                                     "Asserted", assertedValue);
         }
-        catch (const sdbusplus::exception::exception& e)
+        catch (const sdbusplus::exception_t& e)
         {
             lg2::error(
                 "Failed to set Asserted property, ERROR = {ERROR}, PATH = {PATH}",
diff --git a/fault-monitor/operational-status-monitor.hpp b/fault-monitor/operational-status-monitor.hpp
index 3fa995d..3b67edb 100644
--- a/fault-monitor/operational-status-monitor.hpp
+++ b/fault-monitor/operational-status-monitor.hpp
@@ -39,7 +39,7 @@
      *
      *  @param[in] bus -  D-Bus object
      */
-    explicit Monitor(sdbusplus::bus::bus& bus) :
+    explicit Monitor(sdbusplus::bus_t& bus) :
         bus(bus),
         matchSignal(bus,
                     "type='signal',member='PropertiesChanged', "
@@ -54,7 +54,7 @@
 
   private:
     /** @brief sdbusplus D-Bus connection. */
-    sdbusplus::bus::bus& bus;
+    sdbusplus::bus_t& bus;
 
     /** @brief sdbusplus signal matches for Monitor */
     sdbusplus::bus::match_t matchSignal;
@@ -70,7 +70,7 @@
      *
      * @param[in] msg - The D-Bus message contents
      */
-    void matchHandler(sdbusplus::message::message& msg);
+    void matchHandler(sdbusplus::message_t& msg);
 
     /**
      * @brief From the Inventory D-Bus object, obtains the associated LED group
diff --git a/manager/group.hpp b/manager/group.hpp
index 520ba43..aec0e85 100644
--- a/manager/group.hpp
+++ b/manager/group.hpp
@@ -41,8 +41,8 @@
      * @param[in] serialize - Serialize object
      * @param[in] callBack  - Custom callback when LED group is asserted
      */
-    Group(sdbusplus::bus::bus& bus, const std::string& objPath,
-          Manager& manager, Serialize& serialize,
+    Group(sdbusplus::bus_t& bus, const std::string& objPath, Manager& manager,
+          Serialize& serialize,
           std::function<void(Group*, bool)> callBack = nullptr) :
 
         GroupInherit(bus, objPath.c_str(), GroupInherit::action::defer_emit),
diff --git a/manager/json-config.hpp b/manager/json-config.hpp
index 3b836a1..2c4e16d 100644
--- a/manager/json-config.hpp
+++ b/manager/json-config.hpp
@@ -34,8 +34,7 @@
      * @param[in] bus       - The D-Bus object
      * @param[in] event     - sd event handler
      */
-    JsonConfig(sdbusplus::bus::bus& bus, sdeventplus::Event& event) :
-        event(event)
+    JsonConfig(sdbusplus::bus_t& bus, sdeventplus::Event& event) : event(event)
     {
         match = std::make_unique<sdbusplus::bus::match_t>(
             bus,
@@ -93,7 +92,7 @@
      *
      * @param[in] msg - The D-Bus message contents
      */
-    void ifacesAddedCallback(sdbusplus::message::message& msg)
+    void ifacesAddedCallback(sdbusplus::message_t& msg)
     {
         sdbusplus::message::object_path path;
         std::unordered_map<
@@ -183,7 +182,7 @@
                     }
                     confFile.clear();
                 }
-                catch (const sdbusplus::exception::exception& e)
+                catch (const sdbusplus::exception_t& e)
                 {
                     // Property unavailable on object.
                     lg2::error(
@@ -195,7 +194,7 @@
                 }
             }
         }
-        catch (const sdbusplus::exception::exception& e)
+        catch (const sdbusplus::exception_t& e)
         {
             lg2::error(
                 "Failed to call the SubTreePaths method, ERROR = {ERROR}, INTERFACE = {INTERFACE}",
diff --git a/manager/lamptest/lamptest.cpp b/manager/lamptest/lamptest.cpp
index 99d0318..57e5a33 100644
--- a/manager/lamptest/lamptest.cpp
+++ b/manager/lamptest/lamptest.cpp
@@ -142,7 +142,7 @@
             period = std::get<uint16_t>(properties["Period"]);
             dutyOn = std::get<uint8_t>(properties["DutyOn"]);
         }
-        catch (const sdbusplus::exception::exception& e)
+        catch (const sdbusplus::exception_t& e)
         {
             lg2::error(
                 "Failed to get All properties, ERROR = {ERROR}, PATH = {PATH}",
@@ -254,7 +254,7 @@
                                 "xyz.openbmc_project.Led.Group", "Asserted",
                                 assertedValue);
     }
-    catch (const sdbusplus::exception::exception& e)
+    catch (const sdbusplus::exception_t& e)
     {
         lg2::error(
             "Failed to set Asserted property, ERROR = {ERROR}, PATH = {PATH}",
diff --git a/manager/led-main.cpp b/manager/led-main.cpp
index a6f8f82..86c13f5 100644
--- a/manager/led-main.cpp
+++ b/manager/led-main.cpp
@@ -45,7 +45,7 @@
     phosphor::led::Manager manager(bus, systemLedMap);
 
     /** @brief sd_bus object manager */
-    sdbusplus::server::manager::manager objManager(bus, OBJPATH);
+    sdbusplus::server::manager_t objManager(bus, OBJPATH);
 
     /** @brief vector of led groups */
     std::vector<std::unique_ptr<phosphor::led::Group>> groups;
diff --git a/manager/manager.hpp b/manager/manager.hpp
index 2fbc7f2..ac00d76 100644
--- a/manager/manager.hpp
+++ b/manager/manager.hpp
@@ -76,7 +76,7 @@
      *  @param [in] bus       - sdbusplus handler
      *  @param [in] GroupMap - LEDs group layout
      */
-    Manager(sdbusplus::bus::bus& bus, const GroupMap& ledLayout) :
+    Manager(sdbusplus::bus_t& bus, const GroupMap& ledLayout) :
         ledMap(ledLayout), bus(bus)
     {
         // Nothing here
@@ -126,7 +126,7 @@
 
   private:
     /** @brief sdbusplus handler */
-    sdbusplus::bus::bus& bus;
+    sdbusplus::bus_t& bus;
 
     /** Map of physical LED path to service name */
     std::unordered_map<std::string, std::string> phyLeds{};
diff --git a/test/utest.cpp b/test/utest.cpp
index 9375600..2bd222b 100644
--- a/test/utest.cpp
+++ b/test/utest.cpp
@@ -11,7 +11,7 @@
 class LedTest : public ::testing::Test
 {
   public:
-    sdbusplus::bus::bus bus;
+    sdbusplus::bus_t bus;
     LedTest() : bus(sdbusplus::bus::new_default())
     {
         // Nothing here
diff --git a/utils.hpp b/utils.hpp
index edf4f8e..afc5120 100644
--- a/utils.hpp
+++ b/utils.hpp
@@ -62,7 +62,7 @@
      *
      *  @return The Map to constructs all properties values
      *
-     *  @throw sdbusplus::exception::exception when it fails
+     *  @throw sdbusplus::exception_t when it fails
      */
     const PropertyMap getAllProperties(const std::string& objectPath,
                                        const std::string& interface) const;
@@ -75,7 +75,7 @@
      *
      *  @return The value of the property(type: variant)
      *
-     *  @throw sdbusplus::exception::exception when it fails
+     *  @throw sdbusplus::exception_t when it fails
      */
     const PropertyValue getProperty(const std::string& objectPath,
                                     const std::string& interface,
@@ -88,7 +88,7 @@
      *  @param[in] propertyName     -   D-Bus property name
      *  @param[in] value            -   The value to be set
      *
-     *  @throw sdbusplus::exception::exception when it fails
+     *  @throw sdbusplus::exception_t when it fails
      */
     void setProperty(const std::string& objectPath,
                      const std::string& interface,