add Particle#dst_reached! end use it

it allows us to reset Particle@dst before processing it

2 files changed, 8 insertions, 2 deletions

diff --git a/lib/iotas/particle.rb b/lib/iotas/particle.rb
index 850c6ad..3cb48b3 100644
--- a/lib/iotas/particle.rb
+++ b/lib/iotas/particle.rb
@@ -134,6 +134,12 @@ module Iotas
             @dsts.shift
         end
         #
+        def dst_reached!
+            d = @dst
+            @dst = nil
+            d
+        end
+        #
         def error! e, dst=nil
             @action = Iotas::ACT_ERROR
             @dst = dst||@src
diff --git a/lib/iotas/spin.rb b/lib/iotas/spin.rb
index 6383ff9..e8c48e1 100644
--- a/lib/iotas/spin.rb
+++ b/lib/iotas/spin.rb
@@ -128,11 +128,11 @@ module Iotas
             while @run and (@sys_fifo.length>0 or @app_fifo.length>0)
                 while @run and @sys_fifo.length>0
                     p = @sys_fifo.shift
-                    p.dst.process_sys_p p
+                    p.dst_reached!.process_sys_p p
                 end
                 while @run and @app_fifo.length>0
                     p = @app_fifo.shift
-                    p.dst.process_p p
+                    p.dst_reached!.process_p p
                     break
                 end
             end