Client: Abort test_ping_pong() earlier when server known to be active.

[plomrogue] / src / client / io.c

diff --git a/src/client/io.c b/src/client/io.c
index 39fd75e657526cc7ea4a45f1a53eac330f1c9a91..b3724b5ffaf566cc51322d023961f2a945c2aa7a 100644 (file)
--- a/src/client/io.c
+++ b/src/client/io.c
@@ -1,4 +1,9 @@
-/* src/client/io.c */
+/* src/client/io.c
+ *
+ * This file is part of PlomRogue. PlomRogue is licensed under the GPL version 3
+ * or any later version. For details on its copyright, license, and warranties,
+ * see the file NOTICE in the root directory of the PlomRogue source package.
+ */
 
 #define _POSIX_C_SOURCE 1 /* PIPE_BUF */
 #include "io.h"
@@ -232,9 +237,10 @@ static void test_ping_pong(time_t last_server_answer_time)
 {
     static uint8_t ping_sent = 0;
     time_t now = time(0);
-    if (ping_sent && last_server_answer_time > now - 3)
-    {
-        ping_sent = 0;
+    if (ping_sent && last_server_answer_time > now - 3)  /* Re-set if last    */
+    {                                                    /* ping was answered */
+        ping_sent = 0;                                   /* with server       */
+        return;                                          /* activity.         */
     }
     if (!ping_sent && last_server_answer_time < now - 3)
     {