X-Git-Url: http://git.sameswireless.fr/l2tpns.git/blobdiff_plain/12f5781dc3df401e4dfe574dd12c0583349fd140..cd4f292462c2be94ec825ee1cfbb4abe09f73b96:/cluster.c

diff --git a/cluster.c b/cluster.c
index 28b878e..4497f69 100644
--- a/cluster.c
+++ b/cluster.c
@@ -1,6 +1,6 @@
 // L2TPNS Clustering Stuff
 
-char const *cvs_id_cluster = "$Id: cluster.c,v 1.20 2004/12/03 06:40:02 bodea Exp $";
+char const *cvs_id_cluster = "$Id: cluster.c,v 1.24 2004/12/15 02:56:38 bodea Exp $";
 
 #include <stdio.h>
 #include <sys/file.h>
@@ -81,7 +81,7 @@ int cluster_init()
 	struct sockaddr_in interface_addr;
 	struct ip_mreq mreq;
 	struct ifreq   ifr;
-	int opt = 0;
+	int opt;
 
 	config->cluster_undefined_sessions = MAXSESSION-1;
 	config->cluster_undefined_tunnels = MAXTUNNEL-1;
@@ -99,6 +99,9 @@ int cluster_init()
 	addr.sin_addr.s_addr = INADDR_ANY;
 	setsockopt(cluster_sockfd, SOL_SOCKET, SO_REUSEADDR, &addr, sizeof(addr));
 
+	opt = fcntl(cluster_sockfd, F_GETFL, 0);
+	fcntl(cluster_sockfd, F_SETFL, opt | O_NONBLOCK);
+
 	if (bind(cluster_sockfd, (void *) &addr, sizeof(addr)) < 0)
 	{
 		LOG(0, 0, 0, "Failed to bind cluster socket: %s\n", strerror(errno));
@@ -129,7 +132,7 @@ int cluster_init()
 		return -1;
 	}
 
-	if (setsockopt (cluster_sockfd, IPPROTO_IP, IP_MULTICAST_IF, &interface_addr, sizeof(interface_addr)) < 0)
+	if (setsockopt(cluster_sockfd, IPPROTO_IP, IP_MULTICAST_IF, &interface_addr, sizeof(interface_addr)) < 0)
 	{
 		LOG(0, 0, 0, "Failed to setsockopt (set mcast interface): %s\n", strerror(errno));
 		return -1;
@@ -896,7 +899,7 @@ static int cluster_catchup_slave(int seq, u32 slave)
 		diff += HB_MAX_SEQ;
 
 	if (diff >= HB_HISTORY_SIZE) {	// Ouch. We don't have the packet to send it!
-		LOG(0, 0, 0, "A slaved asked for message %d when our seq number is %d. Killing it.\n",
+		LOG(0, 0, 0, "A slave asked for message %d when our seq number is %d. Killing it.\n",
 			seq, config->cluster_seq_number);
 		return peer_send_message(slave, C_KILL, seq, NULL, 0);// Kill the slave. Nothing else to do.
 	}
@@ -1138,23 +1141,34 @@ static int cluster_process_heartbeat(u8 * data, int size, int more, u8 * p, u32
 			LOG(0, 0, 0, "Heartbeat with zero basetime!  Ignoring\n");
 			return -1; // Skip it.
 		}
-		if (more >= 4 && h->table_version > config->cluster_table_version) {
-		    	LOG(0, 0, 0, "They've seen more state changes (%llu vs my %llu) so I'm gone!\n",
-				h->table_version, config->cluster_table_version);
 
-			kill(0, SIGTERM);
-			exit(1);
+		if (more >= 4) {
+			if (h->table_version > config->cluster_table_version) {
+				LOG(0, 0, 0, "They've seen more state changes (%llu vs my %llu) so I'm gone!\n",
+					h->table_version, config->cluster_table_version);
+
+				kill(0, SIGTERM);
+				exit(1);
+			}
+			if (h->table_version < config->cluster_table_version)
+			    	return -1;
 		}
+
 		if (basetime > h->basetime) {
 			LOG(0, 0, 0, "They're an older master than me so I'm gone!\n");
 			kill(0, SIGTERM);
 			exit(1);
 		}
-		if (basetime == h->basetime && my_address < addr) { // Tie breaker.
+
+		if (basetime < h->basetime)
+			return -1;
+
+		if (my_address < addr) { // Tie breaker.
 			LOG(0, 0, 0, "They're a higher IP address than me, so I'm gone!\n");
 			kill(0, SIGTERM);
 			exit(1);
 		}
+
 		return -1; // Skip it.
 	}