set a default limit

[l2tpns.git] / cluster.h

diff --git a/cluster.h b/cluster.h
index 2bfba31..317875a 100644 (file)
--- a/cluster.h
+++ b/cluster.h
@@ -1,5 +1,5 @@
 // L2TPNS Clustering Stuff
 // L2TPNS Clustering Stuff

-// $Id: cluster.h,v 1.3 2004/06/23 03:52:24 fred_nerk Exp $
+// $Id: cluster.h,v 1.12 2005/06/02 11:32:30 bodea Exp $

 
 #ifndef __CLUSTER_H__
 #define __CLUSTER_H__
 
 #ifndef __CLUSTER_H__
 #define __CLUSTER_H__


@@ -14,13 +14,14 @@
 #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_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_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 HB_VERSION             2       // 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 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)
 


@@ -28,58 +29,59 @@
 #define HB_TIMEOUT             (15*2*PING_INTERVAL) // 15 seconds without heartbeat triggers an election..
 
 #define CLUSTERPORT            32792
 #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!
 #define DEFAULT_MCAST_INTERFACE        "eth0"
 
 typedef struct {
 #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!
 #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?
+
+       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     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 size_tunn;     // size of the tunnel structure.
+       uint32_t interval;      // ping/heartbeat interval
+       uint32_t timeout;       // heartbeat timeout

 
 

-       u32     size_tunn;      // size of the tunnel structure.
+       uint64_t table_version; // # state changes processed by cluster

 
 

-       char reserved[128 - 9*sizeof(u32)];     // Pad out to 128 bytes.
+       char reserved[128 - 13*sizeof(uint32_t)];       // Pad out to 128 bytes.

 } heartt;
 
 typedef struct {               /* Used to update byte counters on the */
                                /* master. */
 } 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 {
 } 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;
 
 } 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(char *buf, int size, in_addr_t addr);

 int cluster_send_session(int sid);
 int cluster_send_tunnel(int tid);
 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, in_addr_t 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 master_update_counts(void);

-

 void cluster_send_ping(time_t basetime);
 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);
 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__ */
 
 #endif /* __CLUSTER_H__ */