Keep humble compatibility with send_timestamp in dataload_ros2.cpp (#97)

* Update dataload_ros2.cpp

while building it shows that send_timestamp has no member named. it replaced by the time_stamp which is the member of SerializedBagMessage struct.

* keep jazzy compatibility

Signed-off-by: M. Fatih Cırıt <mfc@autoware.org>

---------

Signed-off-by: M. Fatih Cırıt <mfc@autoware.org>
Co-authored-by: PunitKVerma <155130932+PunitKVerma@users.noreply.github.com>

Author: xmfcx

src/CMakeLists.txt

@@ -98,6 +98,7 @@ elseif(COMPILING_WITH_AMENT)
 
     if("$ENV{ROS_DISTRO}" STREQUAL "humble")
         message(STATUS "Detected Humble")
+        target_compile_definitions(DataLoadROS2 PUBLIC ROS_HUMBLE)
         target_compile_definitions(TopicPublisherROS2 PUBLIC ROS_HUMBLE)
     endif()
 endif()

src/DataLoadROS2/dataload_ros2.cpp

@@ -193,7 +193,13 @@ bool DataLoadROS2::readDataFromFile(PJ::FileLoadInfo* info,
     {
       continue;
     }
+
+#ifdef ROS_HUMBLE
+    const double msg_timestamp = 1e-9 * double(msg->time_stamp);  // nanoseconds to seconds
+#else
+    // from jazzy and later
     const double msg_timestamp = 1e-9 * double(msg->send_timestamp);  // nanoseconds to seconds
+#endif
 
     //------ progress dialog --------------
     if (msg_count++ % 100 == 0)