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: Ie85ba085aedffd41bcb6310ee57adb86cb68273d
diff --git a/example.cpp b/example.cpp
index 917c12e..b3549d0 100644
--- a/example.cpp
+++ b/example.cpp
@@ -31,10 +31,10 @@
 
 /*
  * One can also specify custom handler that operates on
- * sdbusplus::message::message type and pass them to constructor.
+ * sdbusplus::message_t type and pass them to constructor.
  * e.g.
  *
- * static void PrintMessageMap(sdbusplus::message::message& m)
+ * static void PrintMessageMap(sdbusplus::message_t& m)
  * {
  *     std::string messageBusName;
  *     std::map<std::string, std::variant<uint64_t>> messageData;
diff --git a/ipmisnoop/ipmisnoop.hpp b/ipmisnoop/ipmisnoop.hpp
index efc5378..39a35e9 100644
--- a/ipmisnoop/ipmisnoop.hpp
+++ b/ipmisnoop/ipmisnoop.hpp
@@ -37,7 +37,7 @@
 const std::string rawIface = "xyz.openbmc_project.State.Boot.Raw";
 const std::string rawService = "xyz.openbmc_project.State.Boot.Raw";
 
-uint32_t getSelectorPosition(sdbusplus::bus::bus& bus)
+uint32_t getSelectorPosition(sdbusplus::bus_t& bus)
 {
     const std::string propertyName = "Position";
 
@@ -53,7 +53,7 @@
         reply.read(value);
         return std::get<uint32_t>(value);
     }
-    catch (const sdbusplus::exception::exception& ex)
+    catch (const sdbusplus::exception_t& ex)
     {
         std::cerr << "GetProperty call failed ";
         throw std::runtime_error("GetProperty call failed");
@@ -62,13 +62,13 @@
 
 struct IpmiPostReporter : PostObject
 {
-    IpmiPostReporter(sdbusplus::bus::bus& bus, const char* objPath) :
+    IpmiPostReporter(sdbusplus::bus_t& bus, const char* objPath) :
         PostObject(bus, objPath), bus(bus),
         propertiesChangedSignalRaw(
             bus,
             sdbusplus::bus::match::rules::propertiesChanged(objPath, rawIface),
 
-            [this, &bus](sdbusplus::message::message& msg) {
+            [this, &bus](sdbusplus::message_t& msg) {
                 using primarycode_t = uint64_t;
                 using secondarycode_t = std::vector<uint8_t>;
                 using postcode_t = std::tuple<primarycode_t, secondarycode_t>;
@@ -130,10 +130,10 @@
     {
     }
 
-    sdbusplus::bus::bus& bus;
+    sdbusplus::bus_t& bus;
     sdbusplus::bus::match_t propertiesChangedSignalRaw;
     int postCodeDisplay(uint8_t);
-    void getSelectorPositionSignal(sdbusplus::bus::bus& bus);
+    void getSelectorPositionSignal(sdbusplus::bus_t& bus);
 };
 
 // Configure the seven segment display connected GPIOs direction
diff --git a/lpcsnoop/snoop.hpp b/lpcsnoop/snoop.hpp
index dab3334..dfa11de 100644
--- a/lpcsnoop/snoop.hpp
+++ b/lpcsnoop/snoop.hpp
@@ -10,7 +10,7 @@
 constexpr char snoopDbus[] = "xyz.openbmc_project.State.Boot.Raw";
 
 template <typename... T>
-using ServerObject = typename sdbusplus::server::object::object<T...>;
+using ServerObject = typename sdbusplus::server::object_t<T...>;
 using PostInterface = sdbusplus::xyz::openbmc_project::State::Boot::server::Raw;
 using PostObject = ServerObject<PostInterface>;
 using primary_post_code_t = uint64_t;
@@ -20,7 +20,7 @@
 class PostReporter : public PostObject
 {
   public:
-    PostReporter(sdbusplus::bus::bus& bus, const char* objPath, bool defer) :
+    PostReporter(sdbusplus::bus_t& bus, const char* objPath, bool defer) :
         PostObject(bus, objPath,
                    defer ? PostObject::action::defer_emit
                          : PostObject::action::emit_object_added)
diff --git a/lpcsnoop/snoop_listen.hpp b/lpcsnoop/snoop_listen.hpp
index 292745b..3a3682b 100644
--- a/lpcsnoop/snoop_listen.hpp
+++ b/lpcsnoop/snoop_listen.hpp
@@ -35,21 +35,21 @@
 
 class SnoopListen
 {
-    using message_handler_t = std::function<void(sdbusplus::message::message&)>;
+    using message_handler_t = std::function<void(sdbusplus::message_t&)>;
     using postcode_handler_t = std::function<void(FILE*, postcode_t)>;
 
   public:
-    SnoopListen(sdbusplus::bus::bus& busIn, sd_bus_message_handler_t handler) :
+    SnoopListen(sdbusplus::bus_t& busIn, sd_bus_message_handler_t handler) :
         signal(busIn, GetMatchRule().c_str(), handler, this)
     {
     }
 
-    SnoopListen(sdbusplus::bus::bus& busIn, message_handler_t handler) :
+    SnoopListen(sdbusplus::bus_t& busIn, message_handler_t handler) :
         signal(busIn, GetMatchRule(), handler)
     {
     }
 
-    SnoopListen(sdbusplus::bus::bus& busIn, postcode_handler_t handler,
+    SnoopListen(sdbusplus::bus_t& busIn, postcode_handler_t handler,
                 FILE* f = NULL) :
         SnoopListen(busIn, std::bind(defaultMessageHandler, handler, f,
                                      std::placeholders::_1))
@@ -71,7 +71,7 @@
      * DBus path, and calls the given postcode_handler on each value received.
      */
     static void defaultMessageHandler(postcode_handler_t& handler, FILE* f,
-                                      sdbusplus::message::message& m)
+                                      sdbusplus::message_t& m)
     {
         std::string messageBusName;
         std::map<std::string, std::variant<postcode_t>> messageData;
diff --git a/main.cpp b/main.cpp
index fd8f4b6..94603d1 100644
--- a/main.cpp
+++ b/main.cpp
@@ -56,7 +56,7 @@
 #endif
 
 #ifdef ENABLE_IPMI_SNOOP
-void IpmiPostReporter::getSelectorPositionSignal(sdbusplus::bus::bus& bus)
+void IpmiPostReporter::getSelectorPositionSignal(sdbusplus::bus_t& bus)
 {
     size_t posVal = 0;
 
@@ -64,7 +64,7 @@
         bus,
         sdbusplus::bus::match::rules::propertiesChanged(selectorObject,
                                                         selectorIface),
-        [&](sdbusplus::message::message& msg) {
+        [&](sdbusplus::message_t& msg) {
             std::string objectName;
             std::map<std::string, Selector::PropertiesVariant> msgData;
             msg.read(objectName, msgData);
@@ -155,7 +155,7 @@
 #ifdef ENABLE_IPMI_SNOOP
 // handle muti-host D-bus
 int postCodeIpmiHandler(const std::string& snoopObject,
-                        const std::string& snoopDbus, sdbusplus::bus::bus& bus,
+                        const std::string& snoopDbus, sdbusplus::bus_t& bus,
                         std::span<std::string> host)
 {
     int ret = 0;
@@ -312,7 +312,7 @@
     bool deferSignals = true;
 
     // Add systemd object manager.
-    sdbusplus::server::manager::manager snoopdManager(bus, snoopObject);
+    sdbusplus::server::manager_t snoopdManager(bus, snoopObject);
 
     PostReporter reporter(bus, snoopObject, deferSignals);
     reporter.emit_object_added();
diff --git a/test/post_reporter_test.cpp b/test/post_reporter_test.cpp
index 0a13769..8f7f503 100644
--- a/test/post_reporter_test.cpp
+++ b/test/post_reporter_test.cpp
@@ -28,7 +28,7 @@
     }
 
     NiceMock<sdbusplus::SdBusMock> bus_mock;
-    sdbusplus::bus::bus bus;
+    sdbusplus::bus_t bus;
 };
 
 TEST_F(PostReporterTest, EmitsObjectsOnExpectedDbusPath)