Update ASTFProgram.java

Author: Emil-Gustafsson

src/main/java/com/cisco/trex/stateful/api/lowlevel/ASTFProgram.java

@@ -400,6 +400,17 @@ public void setKeepAliveMsg(int msec) {
     this.fields.get(COMMANDS).add(new ASTFCmdRecvMsg(this.totalRcvBytes, false));
   }
 
+  /**
+   * set var command
+   *
+   * @param varId
+   * @param value
+   */
+  public void setVar(String varId, int value) {
+    addVar(varId);
+    fields.get(COMMANDS).add(new ASTFCmdSetVal(varId, (long) value));
+  }
+  
   /**
    * set var command
    *