X-Git-Url: http://git.sameswireless.fr/l2tpns.git/blobdiff_plain/4d7d7850b5d242bf9b77ac07e7c06ef523c627e6..817af0291569f769947e8c14650bdf2f588addfb:/cluster.c

diff --git a/cluster.c b/cluster.c
index 808ab84..903b940 100644
--- a/cluster.c
+++ b/cluster.c
@@ -1,6 +1,6 @@
 // L2TPNS Clustering Stuff
 
-char const *cvs_id_cluster = "$Id: cluster.c,v 1.26 2004/12/16 23:40:31 bodea Exp $";
+char const *cvs_id_cluster = "$Id: cluster.c,v 1.29 2005/01/13 07:57:35 bodea Exp $";
 
 #include <stdio.h>
 #include <stdlib.h>
@@ -38,11 +38,12 @@ char const *cvs_id_cluster = "$Id: cluster.c,v 1.26 2004/12/16 23:40:31 bodea Ex
  */
 
 // Module variables.
-int cluster_sockfd = 0;		// The filedescriptor for the cluster communications port.
+int cluster_sockfd = 0;			// The filedescriptor for the cluster communications port.
 
 in_addr_t my_address = 0;		// The network address of my ethernet port.
 static int walk_session_number = 0;	// The next session to send when doing the slow table walk.
 static int walk_tunnel_number = 0;	// The next tunnel to send when doing the slow table walk.
+int forked = 0;				// Sanity check: CLI must not diddle with heartbeat table
 
 #define MAX_HEART_SIZE (8192)	// Maximum size of heartbeat packet. Must be less than max IP packet size :)
 #define MAX_CHANGES  (MAX_HEART_SIZE/(sizeof(sessiont) + sizeof(int) ) - 2)	// Assumes a session is the biggest type!
@@ -405,18 +406,18 @@ void master_update_counts(void)
 		if ( walk_session_number > config->cluster_highest_sessionid)
 			walk_session_number = 1;
 
-		if (!sess_count[walk_session_number].cin && !sess_count[walk_session_number].cout)
+		if (!sess_local[walk_session_number].cin && !sess_local[walk_session_number].cout)
 			continue; // Unused. Skip it.
 
 		b[c].sid = walk_session_number;
-		b[c].in = sess_count[walk_session_number].cin;
-		b[c].out = sess_count[walk_session_number].cout;
+		b[c].in = sess_local[walk_session_number].cin;
+		b[c].out = sess_local[walk_session_number].cout;
 
 		if (++c > MAX_B_RECS)	// Send a max of 400 elements in a packet.
 			break;
 
 			// Reset counters.
-		sess_count[walk_session_number].cin = sess_count[walk_session_number].cout = 0;
+		sess_local[walk_session_number].cin = sess_local[walk_session_number].cout = 0;
 	}
 
 	if (!c)		// Didn't find any that changes. Get out of here!
@@ -580,12 +581,12 @@ void cluster_check_master(void)
 		session[i].last_packet = time_now;
 
 			// Accumulate un-sent byte counters.
-		session[i].cin += sess_count[i].cin;
-		session[i].cout += sess_count[i].cout;
-		session[i].total_cin += sess_count[i].cin;
-		session[i].total_cout += sess_count[i].cout;
+		session[i].cin += sess_local[i].cin;
+		session[i].cout += sess_local[i].cout;
+		session[i].total_cin += sess_local[i].cin;
+		session[i].total_cout += sess_local[i].cout;
 
-		sess_count[i].cin = sess_count[i].cout = 0;
+		sess_local[i].cin = sess_local[i].cout = 0;
 
 		session[i].radius = 0;	// Reset authentication as the radius blocks aren't up to date.
 
@@ -866,6 +867,11 @@ int cluster_send_session(int sid)
 		return -1;
 	}
 
+	if (forked) {
+		LOG(0, sid, 0, "cluster_send_session called from child process!\n");
+		return -1;
+	}
+
 	return type_changed(C_CSESSION, sid);
 }
 
@@ -1177,9 +1183,22 @@ static int cluster_process_heartbeat(uint8_t *data, int size, int more, uint8_t
 	config->cluster_last_hb = TIME;	// Reset to ensure that we don't become master!!
 
 	if (config->cluster_seq_number != h->seq) {	// Out of sequence heartbeat!
-		LOG(1, 0, 0, "HB: Got seq# %d but was expecting %d. asking for resend.\n", h->seq, config->cluster_seq_number);
+		static int lastseen_seq = 0;
+		static time_t lastseen_time = 0;
+
+		// limit to once per second for a particular seq#
+		int ask = (config->cluster_seq_number != lastseen_seq || time_now != lastseen_time);
 
-		peer_send_message(addr, C_LASTSEEN, config->cluster_seq_number, NULL, 0);
+		LOG(1, 0, 0, "HB: Got seq# %d but was expecting %d.  %s.\n",
+			h->seq, config->cluster_seq_number,
+			ask ? "Asking for resend" : "Ignoring");
+
+		if (ask)
+		{
+			lastseen_seq = config->cluster_seq_number;
+			lastseen_time = time_now;
+			peer_send_message(addr, C_LASTSEEN, config->cluster_seq_number, NULL, 0);
+		}
 
 		config->cluster_last_hb = TIME;	// Reset to ensure that we don't become master!!