// L2TPNS Clustering Stuff
-// $Id: cluster.h,v 1.6 2004/11/11 03:07:42 bodea Exp $
+// $Id: cluster.h,v 1.14 2005/07/31 10:04:10 bodea Exp $
#ifndef __CLUSTER_H__
#define __CLUSTER_H__
#define C_LASTSEEN 7 // Tell master the last heartbeat that I handled.
#define C_KILL 8 // Tell a slave to die.
#define C_FORWARD 9 // Forwarded packet..
-#define C_BYTES 10 // Update byte counters.
+#define C_BYTES 10 // Update byte counters.
#define C_THROTTLE 11 // A packet for the master to throttle. (The TBF tells direction).
#define C_CSESSION 12 // Compressed session structure.
#define C_CTUNNEL 13 // Compressed tunnel structure.
#define C_GARDEN 14 // Gardened packet
+#define C_MASTER 15 // Tell a slave the address of the master.
+#define C_FORWARD_DAE 16 // A DAE packet for the master to handle
-#define HB_VERSION 3 // Protocol version number..
+#define HB_VERSION 5 // 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)
#define DEFAULT_MCAST_INTERFACE "eth0"
typedef struct {
- u32 version; // protocol version.
- u32 seq; // Sequence number for this heatbeat.
- u32 basetime; // What time I started
- u32 clusterid; // Id for this cluster?
+ uint32_t version; // protocol version.
+ uint32_t seq; // Sequence number for this heatbeat.
+ uint32_t basetime; // What time I started
+ uint32_t clusterid; // Id for this cluster?
- u32 highsession; // Id of the highest in-use session.
- u32 freesession; // Id of the first free session.
- u32 hightunnel; // Id of the highest used tunnel.
- u32 size_sess; // Size of the session structure.
+ uint32_t highsession; // Id of the highest in-use session.
+ uint32_t freesession; // Id of the first free session.
+ uint32_t hightunnel; // Id of the highest used tunnel.
+ uint32_t size_sess; // Size of the session structure.
- u32 size_tunn; // size of the tunnel structure.
- u32 interval; // ping/heartbeat interval (if changed)
- u32 timeout; // heartbeat timeout (if changed)
+ uint32_t size_tunn; // size of the tunnel structure.
+ uint32_t interval; // ping/heartbeat interval
+ uint32_t timeout; // heartbeat timeout
- char reserved[128 - 11*sizeof(u32)]; // Pad out to 128 bytes.
+ uint64_t table_version; // # state changes processed by cluster
+
+ char reserved[128 - 13*sizeof(uint32_t)]; // Pad out to 128 bytes.
} heartt;
typedef struct { /* Used to update byte counters on the */
/* master. */
- u32 sid;
- u32 in;
- u32 out;
+ uint32_t sid;
+ uint32_t pin;
+ uint32_t pout;
+ uint32_t cin;
+ uint32_t cout;
} bytest;
typedef struct {
- u32 addr; //
- u32 ver; // version of structure.
- u32 undef; // Number of undefined structures. 0 if up-to-date.
- u32 basetime; // start time of this peer.
+ in_addr_t addr; // peer address
+ uint32_t ver; // version of structure.
+ uint32_t undef; // Number of undefined structures. 0 if up-to-date.
+ uint32_t basetime; // start time of this peer.
} pingt;
-int cluster_init();
-int processcluster(char *buf, int size, u32 addr);
-int cluster_forward_packet(char *buf, int size, u32 addr);
+int cluster_init(void);
+int processcluster(uint8_t *buf, int size, in_addr_t 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(uint8_t *data, int size, in_addr_t addr, int port);
+int master_forward_dae_packet(uint8_t *data, int size, in_addr_t addr, int port);
+int master_throttle_packet(int tid, uint8_t *data, int size);
+int master_garden_packet(sessionidt s, uint8_t *data, int size);
void master_update_counts(void);
-
void cluster_send_ping(time_t basetime);
void cluster_heartbeat(void);
void cluster_check_master(void);
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