[or-cvs] Handle loop initialization for bandwidth tracking properly

[Nick Mathewson]

Update of /home/or/cvsroot/src/or
In directory moria.mit.edu:/tmp/cvs-serv29711/src/or

Modified Files:
	rephist.c 
Log Message:
Handle loop initialization for bandwidth tracking properly

Index: rephist.c
===================================================================
RCS file: /home/or/cvsroot/src/or/rephist.c,v
retrieving revision 1.20
retrieving revision 1.21
diff -u -d -r1.20 -r1.21
--- rephist.c	7 Aug 2004 02:46:16 -0000	1.20
+++ rephist.c	7 Aug 2004 05:13:55 -0000	1.21
@@ -360,6 +360,8 @@
     ++b->num_maxes_set;
   /* Reset max_total. */
   b->max_total = 0;
+  /* Reset total_in_period. */
+  b->total_in_period = 0;
 }
 
 /** Shift the current observation time of 'b' forward by one second.
@@ -449,7 +451,6 @@
  */
 void rep_hist_note_bytes_read(int num_bytes, time_t when) {
 /* if we're smart, we can make this func and the one above share code */
-
   add_obs(read_array, when, num_bytes);
 }
 
@@ -508,8 +509,14 @@
     sprintf(cp, "opt %s-history %s (%d s)", r?"read":"write", t,
             NUM_SECS_BW_SUM_INTERVAL);
     cp += strlen(cp);
-    for (i=b->num_maxes_set+1,n=0; n<b->num_maxes_set; ++n,++i) {
-      if (i >= NUM_TOTALS) i -= NUM_TOTALS;
+
+    if (b->num_maxes_set < b->next_max_idx)
+      i = 0;
+    else
+      i = b->next_max_idx;
+
+    for (n=0; n<b->num_maxes_set; ++n,++i) {
+      while (i >= NUM_TOTALS) i -= NUM_TOTALS;
       if (n==(b->num_maxes_set-1))
         sprintf(cp, "%d", b->totals[i]);
       else