flowtop: Resolve src host if '-s' option specified

Do not do reverse DNS for src hostname if '-s' option
is not specified.

Signed-off-by: Vadim Kochan <vadim4j@gmail.com>
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>

1 files changed, 4 insertions, 2 deletions

diff --git a/flowtop.c b/flowtop.c
index e38cd8e..0a498ed 100644
--- a/flowtop.c
+++ b/flowtop.c
@@ -673,8 +673,10 @@ static void flow_entry_get_extended(struct flow_entry *n)
 	if (n->flow_id == 0 || flow_entry_get_extended_is_dns(n))
 		return;
 
-	flow_entry_get_extended_revdns(n, flow_entry_src);
-	flow_entry_get_extended_geo(n, flow_entry_src);
+	if (show_src) {
+		flow_entry_get_extended_revdns(n, flow_entry_src);
+		flow_entry_get_extended_geo(n, flow_entry_src);
+	}
 
 	flow_entry_get_extended_revdns(n, flow_entry_dst);
 	flow_entry_get_extended_geo(n, flow_entry_dst);