From 31fbbfd05130caf2a236d117a08e727af2cb5ac4 Mon Sep 17 00:00:00 2001
From: Simon Rettberg
Date: Wed, 13 Nov 2013 17:35:01 +0100
Subject: [SERVER] Increase RTT check delay for uplinks that failed too many
 times to save network bandwidth

---
 src/server/altservers.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'src/server/altservers.c')

diff --git a/src/server/altservers.c b/src/server/altservers.c
index 5317936..d89e73a 100644
--- a/src/server/altservers.c
+++ b/src/server/altservers.c
@@ -346,7 +346,7 @@ static void *altservers_main(void *data)
 	dnbd3_host_t servers[ALTS + 1];
 	serialized_buffer_t serialized;
 	struct timespec start, end;
-	time_t nextCacheMapSave = time( NULL ) + 120;
+	time_t nextCacheMapSave = time( NULL ) + 90;
 
 	setThreadName( "altserver-check" );
 	blockNoncriticalSignals();
@@ -513,6 +513,9 @@ static void *altservers_main(void *data)
 				uplink->betterFd = bestSock;
 				uplink->betterServer = servers[bestIndex];
 				uplink->rttTestResult = RTT_DOCHANGE;
+			} else if (bestSock == -1) {
+				// No server was reachable
+				uplink->rttTestResult = RTT_NOT_REACHABLE;
 			} else {
 				// nope
 				if ( bestSock != -1 ) close( bestSock );
-- 
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