Implemented `show route where <condition>' command.

Pavel, please check my addition to filter/config.Y.

1 files changed, 6 insertions, 0 deletions

diff --git a/nest/config.Y b/nest/config.Y
index 89177a7a..01d34fa9 100644
--- a/nest/config.Y
+++ b/nest/config.Y
@@ -237,8 +237,14 @@ r_args:
    }
  | r_args FILTER filter {
      $$ = $1;
+     if ($$->filter != FILTER_ACCEPT) cf_error("Filter specified twice");
      $$->filter = $3;
    }
+ | r_args where_filter {
+     $$ = $1;
+     if ($$->filter != FILTER_ACCEPT) cf_error("Filter specified twice");
+     $$->filter = $2;
+   }
  | r_args ALL {
      $$ = $1;
      $$->verbose = 1;