From 139fc8a0a7c49580783fb3c4b8050761e8bf021a Mon Sep 17 00:00:00 2001
From: xchaos <xchaos@251d49ef-1d17-4917-a970-b30cf55b089b>
Date: Fri, 13 Oct 2017 14:46:31 +0000
Subject: [PATCH] do not write empty logs when started

git-svn-id: https://dev.arachne.cz/repos/prometheus/trunk@261 251d49ef-1d17-4917-a970-b30cf55b089b
---
 htmlandlogs.c   | 3 ++-
 parseiptables.c | 9 ++++++++-
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/htmlandlogs.c b/htmlandlogs.c
index b6f9cb6..bff5cb3 100644
--- a/htmlandlogs.c
+++ b/htmlandlogs.c
@@ -22,6 +22,7 @@ extern int found_lmsid;
 extern char *lms_url;
 extern char *log_dir;
 extern char *ip6prefix;
+extern int traffic_detected;
 
 const char *tr_odd_even(void);
 /* implemented in prometheus.c, shared with parselogs.c */
@@ -402,7 +403,7 @@ style=\"cursor: pointer;\">+%d</a>]</span>",
     insert(sum,sums,order_by,i);
    }
 
-   if(!just_preview)
+   if(!just_preview && traffic_detected)
    {
     append_log(ip);
     for_each(sharedip,ips) if(eq(ip->name, sharedip->sharing))
diff --git a/parseiptables.c b/parseiptables.c
index 8544df7..5a2043f 100644
--- a/parseiptables.c
+++ b/parseiptables.c
@@ -13,12 +13,15 @@ extern int free_min;
 extern int free_max;
 extern int include_upload;
 
+int traffic_detected = 0;
+
 /* ===================== traffic analyser - uses iptables  ================ */ 
 
 void get_traffic_statistics(const char *whichiptables, int ipv6)
 {
  char *str,*cmd;
- int downloadflag=0;
+ int downloadflag = 0;
+ traffic_detected = 0;
 
  textfile(Pipe,str) *line,*lines=NULL;
  string(str,STRLEN);
@@ -78,6 +81,10 @@ void get_traffic_statistics(const char *whichiptables, int ipv6)
            else
            {
             sscanf(ptr,"%Lu",&traffic); 
+            if(traffic)
+            {
+             traffic_detected = 1;
+            }
             traffic += (1<<19);
             traffic >>= 20;
            }
-- 
2.30.2