From: wessels <>
Date: Thu, 21 May 1998 09:22:43 +0000 (+0000)
Subject: skip peerRefreshDNS if there is no recent traffic
X-Git-Tag: SQUID_3_0_PRE1~3297
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1f3c4622f82232ca54e9d31ec86f5b4791633d23;p=thirdparty%2Fsquid.git

skip peerRefreshDNS if there is no recent traffic
---

diff --git a/src/neighbors.cc b/src/neighbors.cc
index 2d3551f7de..44a7db3606 100644
--- a/src/neighbors.cc
+++ b/src/neighbors.cc
@@ -1,6 +1,6 @@
 
 /*
- * $Id: neighbors.cc,v 1.212 1998/05/21 00:46:16 wessels Exp $
+ * $Id: neighbors.cc,v 1.213 1998/05/21 03:22:43 wessels Exp $
  *
  * DEBUG: section 15    Neighbor Routines
  * AUTHOR: Harvest Derived
@@ -950,13 +950,13 @@ static void
 peerRefreshDNS(void *datanotused)
 {
     peer *p = NULL;
-    peer *next = Config.peers;
-    while ((p = next) != NULL) {
-	next = p->next;
-	/* some random, bogus FD for ipcache */
-	p->test_fd = Squid_MaxFD + current_time.tv_usec;
-	ipcache_nbgethostbyname(p->host, peerDNSConfigure, p);
+    if (0 == stat5minClientRequests()) {
+	/* no recent client traffic, wait a bit */
+        eventAddIsh("peerRefreshDNS", peerRefreshDNS, NULL, 180.0, 1);
+	return;
     }
+    for (p = Config.peers; p; p = p->next)
+	ipcache_nbgethostbyname(p->host, peerDNSConfigure, p);
     /* Reconfigure the peers every hour */
     eventAddIsh("peerRefreshDNS", peerRefreshDNS, NULL, 3600.0, 1);
 }
diff --git a/src/protos.h b/src/protos.h
index 4186cbbaf8..ab9df96e3b 100644
--- a/src/protos.h
+++ b/src/protos.h
@@ -587,6 +587,8 @@ extern void identStart(int, ConnStateData *, IDCB * callback, void *);
 extern void statInit(void);
 extern double median_svc_get(int, int);
 extern void pconnHistCount(int, int);
+extern int stat5minClientRequests(void);
+
 
 /* StatHist */
 extern void statHistClean(StatHist * H);
diff --git a/src/stat.cc b/src/stat.cc
index 54af8fda16..c1fd9ff70e 100644
--- a/src/stat.cc
+++ b/src/stat.cc
@@ -1,6 +1,6 @@
 
 /*
- * $Id: stat.cc,v 1.249 1998/05/15 17:16:21 wessels Exp $
+ * $Id: stat.cc,v 1.250 1998/05/21 03:22:46 wessels Exp $
  *
  * DEBUG: section 18    Cache Manager Statistics
  * AUTHOR: Harvest Derived
@@ -1190,6 +1190,13 @@ snmpStatGet(int minutes)
     return &CountHist[minutes];
 }
 
+int
+stat5minClientRequests(void)
+{
+	assert(N_COUNT_HIST > 5);
+	return Counter.client_http.requests - CountHist[5].client_http.requests;
+}
+
 
 #if STAT_GRAPHS
 /*