Introduce actions to abort/end currently executing actions

Signed-off-by: Pierre R. Mai <pmai@pmsf.de>

Author: clemenshabedank

osi_trafficcommand.proto

@@ -62,6 +62,13 @@ message TrafficCommand
 // regarding that are not part of this message, yet are seen as a task of the 
 // scenario description (e.g. OpenSCENARIO). 
 //
+// \note All TrafficActions are expected to be sent only once, to indicate
+// that they must start immediately. This is also true, if their execution 
+// is expected to take simulation time. To inform the traffic participant 
+// model that certain actions must or shall be terminated, there are 
+// explicit Actions nested inside this message (AbortActionsAction, 
+// EndActionsAction), which hold a reference to the respective actions.
+//
 message TrafficAction
 {
     // A FollowTrajectoryAction
@@ -83,6 +90,14 @@ message TrafficAction
     // A SpeedAction
     //
     optional SpeedAction speed_action = 5;    
+	
+    // An AbortActionsAction
+    //
+    optional AbortActionsAction abort_actions_action = 6; 
+	
+    // An EndActionsAction
+    //
+    optional EndActionsAction end_actions_action = 7; 
 }
 
 //
@@ -445,3 +460,48 @@ message SpeedAction
     }
 
 }
+
+//
+// \brief AbortActionsAction.
+//
+// This action tells a TrafficParticipant that it should abort the
+// execution of other actions (referenced within this action) immediately.
+// In contrast to the EndActionsAction this action forces a hard 
+// termination of the referenced actions.
+//
+
+message AbortActionsAction
+{
+    // The Action Header
+    //
+    optional ActionHeader action_header = 1;
+	
+    // Actions which must be aborted immediately.
+    // 
+    // These fields hold the action ids of the actions that must be 
+    // aborted immediately. 
+    //
+    repeated Identifier target_action_id = 2; 
+}
+
+// \brief EndActionsAction.
+//
+// This action tells a TrafficParticipant that the exection of the 
+// referenced actions is regarded as successfully performed. The 
+// termination of the referenced actions is allowed to be performed 
+// gracefully. 
+//
+
+message EndActionsAction
+{
+    // The Action Header
+    //
+    optional ActionHeader action_header = 1;
+	
+    // Actions which are regarded as successfully executed.
+    // 
+    // These fields hold the action ids of the actions that are regarded 
+    // as successfully executed and shall be terminated gracefully.	
+    //
+    repeated Identifier target_action_id = 2; 
+}