From: Martin Mares <mj@ucw.cz>
Date: Sat, 21 Feb 2009 19:29:10 +0000 (+0100)
Subject: Logging: Let TBF report the number of dropped messages.
X-Git-Tag: holmes-import~43
X-Git-Url: http://mj.ucw.cz/gitweb/?a=commitdiff_plain;h=ec69802864ba3b2a3b22f12f29bb8fe867dd1a22;p=libucw.git

Logging: Let TBF report the number of dropped messages.
---

diff --git a/ucw/tbf.c b/ucw/tbf.c
index 7e4d474e..9f8404e1 100644
--- a/ucw/tbf.c
+++ b/ucw/tbf.c
@@ -29,13 +29,16 @@ tbf_limit(struct token_bucket_filter *f, timestamp_t now)
   b = MIN(b, f->burst);
   if (b >= 1)
     {
+      uns dropped = f->drop_count;
       f->bucket = b - 1;
-      return 1;
+      f->drop_count = 0;
+      return dropped;
     }
   else
     {
       f->bucket = b;
-      return 0;
+      f->drop_count++;
+      return -f->drop_count;
     }
 }
 
diff --git a/ucw/tbf.h b/ucw/tbf.h
index 14154791..5610090b 100644
--- a/ucw/tbf.h
+++ b/ucw/tbf.h
@@ -15,6 +15,7 @@ struct token_bucket_filter {
   uns burst;				// Capacity of the bucket
   timestamp_t last_hit;			// Internal state...
   double bucket;
+  uns drop_count;
 };
 
 void tbf_init(struct token_bucket_filter *f);