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: I9cedddf4dc9b224ecbc2f68e6b00c0ab1885a826
diff --git a/bmc_epoch.cpp b/bmc_epoch.cpp
index 92f31d8..7135768 100644
--- a/bmc_epoch.cpp
+++ b/bmc_epoch.cpp
@@ -26,7 +26,7 @@
 namespace server = sdbusplus::xyz::openbmc_project::Time::server;
 using namespace phosphor::logging;
 
-BmcEpoch::BmcEpoch(sdbusplus::bus::bus& bus, const char* objPath) :
+BmcEpoch::BmcEpoch(sdbusplus::bus_t& bus, const char* objPath) :
     EpochBase(bus, objPath)
 {
     initialize();
diff --git a/bmc_epoch.hpp b/bmc_epoch.hpp
index b47a39b..d8abe2f 100644
--- a/bmc_epoch.hpp
+++ b/bmc_epoch.hpp
@@ -20,7 +20,7 @@
 {
   public:
     friend class TestBmcEpoch;
-    BmcEpoch(sdbusplus::bus::bus& bus, const char* objPath);
+    BmcEpoch(sdbusplus::bus_t& bus, const char* objPath);
     ~BmcEpoch();
 
     /**
diff --git a/epoch_base.cpp b/epoch_base.cpp
index a336573..17be2c6 100644
--- a/epoch_base.cpp
+++ b/epoch_base.cpp
@@ -24,8 +24,8 @@
 using namespace phosphor::logging;
 using FailedError = sdbusplus::xyz::openbmc_project::Time::Error::Failed;
 
-EpochBase::EpochBase(sdbusplus::bus::bus& bus, const char* objPath) :
-    sdbusplus::server::object::object<EpochTime>(bus, objPath), bus(bus)
+EpochBase::EpochBase(sdbusplus::bus_t& bus, const char* objPath) :
+    sdbusplus::server::object_t<EpochTime>(bus, objPath), bus(bus)
 {}
 
 void EpochBase::onModeChanged(Mode mode)
@@ -46,7 +46,7 @@
     {
         bus.call_noreply(method);
     }
-    catch (const sdbusplus::exception::exception& ex)
+    catch (const sdbusplus::exception_t& ex)
     {
         lg2::error("Error in setting system time: {ERROR}", "ERROR", ex);
         using namespace xyz::openbmc_project::Time;
diff --git a/epoch_base.hpp b/epoch_base.hpp
index 89a7b85..ed761f8 100644
--- a/epoch_base.hpp
+++ b/epoch_base.hpp
@@ -20,21 +20,21 @@
  *  DBus API for epoch time.
  */
 class EpochBase :
-    public sdbusplus::server::object::object<
+    public sdbusplus::server::object_t<
         sdbusplus::xyz::openbmc_project::Time::server::EpochTime>,
     public PropertyChangeListner
 {
   public:
     friend class TestEpochBase;
 
-    EpochBase(sdbusplus::bus::bus& bus, const char* objPath);
+    EpochBase(sdbusplus::bus_t& bus, const char* objPath);
 
     /** @brief Notified on time mode changed */
     void onModeChanged(Mode mode) override;
 
   protected:
     /** @brief Persistent sdbusplus DBus connection */
-    sdbusplus::bus::bus& bus;
+    sdbusplus::bus_t& bus;
 
     /** @brief The current time mode */
     Mode timeMode = DEFAULT_TIME_MODE;
diff --git a/main.cpp b/main.cpp
index 1927f4e..b2d1d8a 100644
--- a/main.cpp
+++ b/main.cpp
@@ -22,7 +22,7 @@
     bus.attach_event(sdEvent.get(), SD_EVENT_PRIORITY_NORMAL);
 
     // Add sdbusplus ObjectManager
-    sdbusplus::server::manager::manager bmcEpochObjManager(bus, OBJPATH_BMC);
+    sdbusplus::server::manager_t bmcEpochObjManager(bus, OBJPATH_BMC);
 
     phosphor::time::BmcEpoch bmc(bus, OBJPATH_BMC);
     phosphor::time::Manager manager(bus);
diff --git a/manager.cpp b/manager.cpp
index ceaed7e..660102f 100644
--- a/manager.cpp
+++ b/manager.cpp
@@ -27,7 +27,7 @@
 
 using namespace phosphor::logging;
 
-Manager::Manager(sdbusplus::bus::bus& bus) : bus(bus), settings(bus)
+Manager::Manager(sdbusplus::bus_t& bus) : bus(bus), settings(bus)
 {
     using namespace sdbusplus::bus::match::rules;
     settingsMatches.emplace_back(
@@ -52,7 +52,7 @@
     onTimeModeChanged(value);
 }
 
-int Manager::onSettingsChanged(sdbusplus::message::message& msg)
+int Manager::onSettingsChanged(sdbusplus::message_t& msg)
 {
     using Interface = std::string;
     using Property = std::string;
@@ -86,7 +86,7 @@
         bus.call_noreply(method);
         lg2::info("Updated NTP setting: {ENABLED}", "ENABLED", isNtp);
     }
-    catch (const sdbusplus::exception::exception& ex)
+    catch (const sdbusplus::exception_t& ex)
     {
         lg2::error("Failed to update NTP setting: {ERROR}", "ERROR", ex);
     }
diff --git a/manager.hpp b/manager.hpp
index 8ccea4a..03229fb 100644
--- a/manager.hpp
+++ b/manager.hpp
@@ -27,7 +27,7 @@
   public:
     friend class TestManager;
 
-    explicit Manager(sdbusplus::bus::bus& bus);
+    explicit Manager(sdbusplus::bus_t& bus);
     Manager(const Manager&) = delete;
     Manager& operator=(const Manager&) = delete;
     Manager(Manager&&) = delete;
@@ -36,10 +36,10 @@
 
   private:
     /** @brief Persistent sdbusplus DBus connection */
-    sdbusplus::bus::bus& bus;
+    sdbusplus::bus_t& bus;
 
     /** @brief The match of settings property change */
-    std::vector<sdbusplus::bus::match::match> settingsMatches;
+    std::vector<sdbusplus::bus::match_t> settingsMatches;
 
     /** @brief Settings objects of intereset */
     settings::Objects settings;
@@ -81,7 +81,7 @@
      *
      *  @return 0 on success, < 0 on failure.
      */
-    int onSettingsChanged(sdbusplus::message::message& msg);
+    int onSettingsChanged(sdbusplus::message_t& msg);
 
     /** @brief Notified on settings property changed
      *
diff --git a/settings.cpp b/settings.cpp
index 1ac0d9e..b8b3a0d 100644
--- a/settings.cpp
+++ b/settings.cpp
@@ -15,7 +15,7 @@
 constexpr auto mapperPath = "/xyz/openbmc_project/object_mapper";
 constexpr auto mapperIntf = "xyz.openbmc_project.ObjectMapper";
 
-Objects::Objects(sdbusplus::bus::bus& bus) : bus(bus)
+Objects::Objects(sdbusplus::bus_t& bus) : bus(bus)
 {
     std::vector<std::string> settingsIntfs = {timeSyncIntf};
     auto depth = 0;
@@ -36,7 +36,7 @@
         auto response = bus.call(mapperCall);
         response.read(result);
     }
-    catch (const sdbusplus::exception::exception& ex)
+    catch (const sdbusplus::exception_t& ex)
     {
         lg2::error("Failed to invoke GetSubTree method: {ERROR}", "ERROR", ex);
     }
@@ -77,7 +77,7 @@
         auto response = bus.call(mapperCall);
         response.read(result);
     }
-    catch (const sdbusplus::exception::exception& ex)
+    catch (const sdbusplus::exception_t& ex)
     {
         lg2::error("Error in mapper GetObject: {ERROR}", "ERROR", ex);
     }
diff --git a/settings.hpp b/settings.hpp
index 61eba03..5042c9e 100644
--- a/settings.hpp
+++ b/settings.hpp
@@ -25,7 +25,7 @@
      * @param[in] bus - The D-bus bus object
      */
     Objects() = delete;
-    explicit Objects(sdbusplus::bus::bus&);
+    explicit Objects(sdbusplus::bus_t&);
     Objects(const Objects&) = delete;
     Objects& operator=(const Objects&) = delete;
     Objects(Objects&&) = default;
@@ -47,7 +47,7 @@
     Path timeSyncMethod;
 
   private:
-    sdbusplus::bus::bus& bus;
+    sdbusplus::bus_t& bus;
 };
 
 } // namespace settings
diff --git a/test/TestBmcEpoch.cpp b/test/TestBmcEpoch.cpp
index 651e019..a5fdb33 100644
--- a/test/TestBmcEpoch.cpp
+++ b/test/TestBmcEpoch.cpp
@@ -19,7 +19,7 @@
 class TestBmcEpoch : public testing::Test
 {
   public:
-    sdbusplus::bus::bus bus;
+    sdbusplus::bus_t bus;
     sd_event* event;
     std::unique_ptr<BmcEpoch> bmcEpoch;
 
diff --git a/test/TestManager.cpp b/test/TestManager.cpp
index db36b42..b879d3a 100644
--- a/test/TestManager.cpp
+++ b/test/TestManager.cpp
@@ -16,7 +16,7 @@
 class TestManager : public testing::Test
 {
   public:
-    sdbusplus::bus::bus bus;
+    sdbusplus::bus_t bus;
     Manager manager;
 
     TestManager() : bus(sdbusplus::bus::new_default()), manager(bus)
diff --git a/utils.cpp b/utils.cpp
index 95edd99..9bf83cb 100644
--- a/utils.cpp
+++ b/utils.cpp
@@ -15,7 +15,7 @@
 namespace utils
 {
 
-std::string getService(sdbusplus::bus::bus& bus, const char* path,
+std::string getService(sdbusplus::bus_t& bus, const char* path,
                        const char* interface)
 {
     auto mapper = bus.new_method_call(MAPPER_BUSNAME, MAPPER_PATH,
@@ -37,7 +37,7 @@
 
         return mapperResponse[0].first;
     }
-    catch (const sdbusplus::exception::exception& ex)
+    catch (const sdbusplus::exception_t& ex)
     {
         lg2::error(
             "Mapper call failed: path:{PATH}, interface:{INTF}, error:{ERROR}",
diff --git a/utils.hpp b/utils.hpp
index 9639cbf..6f2fc62 100644
--- a/utils.hpp
+++ b/utils.hpp
@@ -23,7 +23,7 @@
  * @return The value of the property
  */
 template <typename T>
-T getProperty(sdbusplus::bus::bus& bus, const char* service, const char* path,
+T getProperty(sdbusplus::bus_t& bus, const char* service, const char* path,
               const char* interface, const char* propertyName)
 {
     auto method = bus.new_method_call(service, path,
@@ -36,7 +36,7 @@
         reply.read(value);
         return std::get<T>(value);
     }
-    catch (const sdbusplus::exception::exception& ex)
+    catch (const sdbusplus::exception_t& ex)
     {
         lg2::error("GetProperty call failed, path:{PATH}, interface:{INTF}, "
                    "propertyName:{NAME}, error:{ERROR}",
@@ -54,7 +54,7 @@
  *
  * @return The name of the service
  */
-std::string getService(sdbusplus::bus::bus& bus, const char* path,
+std::string getService(sdbusplus::bus_t& bus, const char* path,
                        const char* interface);
 
 /** @brief Convert a string to enum Mode