Stats (#187)

* added bandwidth stats

* fix - init bw structs

* fix - declaration after case

* examples/udxperf - iperf clone for udx streams

* added rto counter, fast-recovery counter and packet retransmit counter

* simplified bandwidth to bytes_in and bytes_out

* clean some logging

---------

Co-authored-by: James Thomas <jthomas>

examples/CMakeLists.txt

@@ -1,5 +1,6 @@
 add_executable(server server.c)
 add_executable(client client.c)
+add_executable(udxperf udxperf.c)
 
 target_link_libraries(
   server
@@ -12,3 +13,10 @@ target_link_libraries(
   PRIVATE
     udx_static
 )
+
+target_link_libraries(
+  udxperf
+  PRIVATE
+    udx_static
+)
+