better cluster master collision resolution

[l2tpns.git] / cluster.h

diff --git a/cluster.h b/cluster.h
index 9d2e273..1fb2789 100644 (file)
--- a/cluster.h
+++ b/cluster.h
@@ -1,5 +1,5 @@
 // L2TPNS Clustering Stuff
-// $Id: cluster.h,v 1.3 2004-06-23 03:52:24 fred_nerk Exp $
+// $Id: cluster.h,v 1.8 2004-12-03 06:40:02 bodea Exp $
 
 #ifndef __CLUSTER_H__
 #define __CLUSTER_H__
@@ -20,7 +20,7 @@
 #define C_CTUNNEL              13      // Compressed tunnel structure.
 #define C_GARDEN               14      // Gardened packet
 
-#define HB_VERSION             2       // Protocol version number..
+#define HB_VERSION             4       // Protocol version number..
 #define HB_MAX_SEQ             (1<<30) // Maximum sequence number. (MUST BE A POWER OF 2!)
 #define HB_HISTORY_SIZE                64      // How many old heartbeats we remember?? (Must be a factor of HB_MAX_SEQ)
 
@@ -28,10 +28,6 @@
 #define HB_TIMEOUT             (15*2*PING_INTERVAL) // 15 seconds without heartbeat triggers an election..
 
 #define CLUSTERPORT            32792
-#define UDP                    17
-#define TIMEOUT                        20
-#define IL                     sizeof(int)
-
 #define CLUSTER_MAX_SIZE       32      // No more than 32 machines in a cluster!
 
 #define DEFAULT_MCAST_ADDR     "239.192.13.13"         // Need an assigned number!
@@ -49,8 +45,12 @@ typedef struct {
        u32     size_sess;      // Size of the session structure.
 
        u32     size_tunn;      // size of the tunnel structure.
+       u32     interval;       // ping/heartbeat interval
+       u32     timeout;        // heartbeat timeout
+
+       u64     table_version;  // # state changes processed by cluster
 
-       char reserved[128 - 9*sizeof(u32)];     // Pad out to 128 bytes.
+       char reserved[128 - 13*sizeof(u32)];    // Pad out to 128 bytes.
 } heartt;
 
 typedef struct {               /* Used to update byte counters on the */
@@ -67,19 +67,18 @@ typedef struct {
        u32     basetime;       // start time of this peer.
 } pingt;
 
-int cluster_init();
+int cluster_init(void);
 int processcluster(char *buf, int size, u32 addr);
-int cluster_forward_packet(char *buf, int size, u32 addr);
 int cluster_send_session(int sid);
 int cluster_send_tunnel(int tid);
-int master_forward_packet(char * data, int size, u32 addr, int port);
-int master_throttle_packet(int tid, char * data, int size);
-int master_garden_packet(sessionidt s, char * data, int size);
+int master_forward_packet(char *data, int size, u32 addr, int port);
+int master_throttle_packet(int tid, char *data, int size);
+int master_garden_packet(sessionidt s, char *data, int size);
 void master_update_counts(void);
-
 void cluster_send_ping(time_t basetime);
-void cluster_heartbeat(int highsession, int freesession, int hightunnel);
+void cluster_heartbeat(void);
 void cluster_check_master(void);
-int show_cluster(struct cli_def *cli, char *command, char **argv, int argc);
+void cluster_check_slaves(void);
+int cmd_show_cluster(struct cli_def *cli, char *command, char **argv, int argc);
 
 #endif /* __CLUSTER_H__ */