#endif
#if defined(UKERNEL)
-#include "../afsint/ubik_int.h"
+#include "ubik_int.h"
#else /* defined(UKERNEL) */
#include <ubik_int.h>
#endif /* defined(UKERNEL) */
/* ubik_lock types */
#define LOCKREAD 1
#define LOCKWRITE 2
+#if !defined(UBIK_PAUSE)
#define LOCKWAIT 3
+#endif /* UBIK_PAUSE */
/* ubik client flags */
-#define UPUBIKONLY 1 /* only check servers presumed functional */
+#define UPUBIKONLY 1 /* only check servers presumed functional */
/* RX services types */
#define VOTE_SERVICE_ID 50
#define DISK_SERVICE_ID 51
-#define USER_SERVICE_ID 52 /* Since most applications use same port! */
+#define USER_SERVICE_ID 52 /* Since most applications use same port! */
#define UBIK_MAGIC 0x354545
/* global ubik parameters */
-#define MAXSERVERS 20 /* max number of servers */
+#define MAXSERVERS 20 /* max number of servers */
/* version comparison macro */
#define vcmp(a,b) ((a).epoch == (b).epoch? ((a).counter - (b).counter) : ((a).epoch - (b).epoch))
/* ubik_client state bits */
-#define CFLastFailed 1 /* last call failed to this guy (to detect down hosts) */
+#define CFLastFailed 1 /* last call failed to this guy (to detect down hosts) */
#ifdef AFS_PTHREAD_ENV
#include <pthread.h>
#include <assert.h>
+#else
+#include <lwp.h>
#endif
/* per-client structure for ubik */
struct ubik_client {
- short initializationState; /* ubik client init state */
- short states[MAXSERVERS]; /* state bits */
+ short initializationState; /* ubik client init state */
+ short states[MAXSERVERS]; /* state bits */
struct rx_connection *conns[MAXSERVERS];
- afs_int32 syncSite;
+ afs_int32 syncSite;
#ifdef AFS_PTHREAD_ENV
pthread_mutex_t cm;
#endif
};
#ifdef AFS_PTHREAD_ENV
-#define LOCK_UBIK_CLIENT(client) assert(pthread_mutex_lock(&client->cm)==0);
-#define UNLOCK_UBIK_CLIENT(client) assert(pthread_mutex_unlock(&client->cm)==0);
+#define LOCK_UBIK_CLIENT(client) assert(pthread_mutex_lock(&client->cm)==0)
+#define UNLOCK_UBIK_CLIENT(client) assert(pthread_mutex_unlock(&client->cm)==0)
#else
#define LOCK_UBIK_CLIENT(client)
#define UNLOCK_UBIK_CLIENT(client)
/* ubik header file structure */
struct ubik_hdr {
- afs_int32 magic; /* magic number */
- short pad1; /* some 0-initd padding */
- short size; /* header allocation size */
- struct ubik_version version; /* the version for this file */
+ afs_int32 magic; /* magic number */
+ short pad1; /* some 0-initd padding */
+ short size; /* header allocation size */
+ struct ubik_version version; /* the version for this file */
};
/* representation of a ubik transaction */
struct ubik_trans {
- struct ubik_dbase *dbase; /* corresponding database */
- struct ubik_trans *next; /* in the list */
- afs_int32 locktype; /* transaction lock */
- struct ubik_trunc *activeTruncs;/* queued truncates */
- struct ubik_tid tid; /* transaction id of this trans (if write trans.) */
- afs_int32 minCommitTime; /* time before which this trans can't commit */
- afs_int32 seekFile; /* seek ptr: file number */
- afs_int32 seekPos; /* seek ptr: offset therein */
- short flags; /* trans flag bits */
- char type; /* type of trans */
+ struct ubik_dbase *dbase; /* corresponding database */
+ struct ubik_trans *next; /* in the list */
+ afs_int32 locktype; /* transaction lock */
+ struct ubik_trunc *activeTruncs; /* queued truncates */
+ struct ubik_tid tid; /* transaction id of this trans (if write trans.) */
+ afs_int32 minCommitTime; /* time before which this trans can't commit */
+ afs_int32 seekFile; /* seek ptr: file number */
+ afs_int32 seekPos; /* seek ptr: offset therein */
+ short flags; /* trans flag bits */
+ char type; /* type of trans */
iovec_wrt iovec_info;
iovec_buf iovec_data;
};
/* representation of a truncation operation */
struct ubik_trunc {
struct ubik_trunc *next;
- afs_int32 file; /* file to truncate */
- afs_int32 length; /* new size */
+ afs_int32 file; /* file to truncate */
+ afs_int32 length; /* new size */
};
struct ubik_stat {
};
#if defined(UKERNEL)
-#include "../afs/lock.h"
+#include "afs/lock.h"
#else /* defined(UKERNEL) */
-#include <lock.h> /* just to make sure we've go this */
+#include <lock.h> /* just to make sure we've go this */
#endif /* defined(UKERNEL) */
/* representation of a ubik database. Contains info on low-level disk access routines
for use by disk transaction module.
*/
struct ubik_dbase {
- char *pathName; /* root name for dbase */
- struct ubik_trans *activeTrans; /* active transaction list */
- struct ubik_version version; /* version number */
+ char *pathName; /* root name for dbase */
+ struct ubik_trans *activeTrans; /* active transaction list */
+ struct ubik_version version; /* version number */
#if defined(UKERNEL)
- struct afs_lock versionLock; /* lock on version number */
-#else /* defined(UKERNEL) */
- struct Lock versionLock; /* lock on version number */
-#endif /* defined(UKERNEL) */
- afs_int32 tidCounter; /* last RW or RO trans tid counter */
- afs_int32 writeTidCounter; /* last write trans tid counter */
- afs_int32 flags; /* flags */
- int (*read)(); /* physio procedures */
- int (*write)();
- int (*truncate)();
- int (*sync)();
- int (*stat)();
- int (*open)();
- int (*setlabel)(); /* set the version label */
- int (*getlabel)(); /* retrieve the version label */
- int (*getnfiles)(); /* find out number of files */
- short readers; /* number of current read transactions */
- struct ubik_version cachedVersion; /* version of caller's cached data */
+ struct afs_lock versionLock; /* lock on version number */
+#else /* defined(UKERNEL) */
+ struct Lock versionLock; /* lock on version number */
+#endif /* defined(UKERNEL) */
+ afs_int32 tidCounter; /* last RW or RO trans tid counter */
+ afs_int32 writeTidCounter; /* last write trans tid counter */
+ afs_int32 flags; /* flags */
+ /* physio procedures */
+ int (*read) (struct ubik_dbase * adbase, afs_int32 afile, char *abuffer,
+ afs_int32 apos, afs_int32 alength);
+ int (*write) (struct ubik_dbase * adbase, afs_int32 afile, char *abuffer,
+ afs_int32 apos, afs_int32 alength);
+ int (*truncate) (struct ubik_dbase * adbase, afs_int32 afile,
+ afs_int32 asize);
+ int (*sync) (struct ubik_dbase * adbase, afs_int32 afile);
+ int (*stat) (struct ubik_dbase * adbase, afs_int32 afid,
+ struct ubik_stat * astat);
+ int (*open) (struct ubik_dbase * adbase, afs_int32 afid);
+ int (*setlabel) (struct ubik_dbase * adbase, afs_int32 afile, struct ubik_version * aversion); /* set the version label */
+ int (*getlabel) (struct ubik_dbase * adbase, afs_int32 afile, struct ubik_version * aversion); /* retrieve the version label */
+ int (*getnfiles) (struct ubik_dbase * adbase); /* find out number of files */
+ short readers; /* number of current read transactions */
+ struct ubik_version cachedVersion; /* version of caller's cached data */
+#ifdef AFS_PTHREAD_ENV
+ pthread_cond_t version_cond; /* condition variable to manage changes to version */
+ pthread_cond_t flags_cond; /* condition variable to manage changes to flags */
+ pthread_mutex_t version_mutex;
+ pthread_mutex_t flags_mutex;
+#endif
};
/* procedures for automatically authenticating ubik connections */
-extern int (*ubik_CRXSecurityProc)();
+extern int (*ubik_CRXSecurityProc) ();
extern char *ubik_CRXSecurityRock;
-extern int (*ubik_SRXSecurityProc)();
+extern int (*ubik_SRXSecurityProc) ();
extern char *ubik_SRXSecurityRock;
-extern int (*ubik_CheckRXSecurityProc)();
+extern int (*ubik_CheckRXSecurityProc) ();
extern char *ubik_CheckRXSecurityRock;
/****************INTERNALS BELOW ****************/
#ifdef UBIK_INTERNALS
/* some ubik parameters */
-#ifdef PAGESIZE
-#undef PAGESIZE
-#endif
-#define PAGESIZE 1024 /* fits in current r packet */
-#define LOGPAGESIZE 10 /* base 2 log thereof */
-#define NBUFFERS 20 /* number of 1K buffers */
-#define HDRSIZE 64 /* bytes of header per dbfile */
+#define UBIK_PAGESIZE 1024 /* fits in current r packet */
+#define UBIK_LOGPAGESIZE 10 /* base 2 log thereof */
+#define NBUFFERS 20 /* number of 1K buffers */
+#define HDRSIZE 64 /* bytes of header per dbfile */
/* ubik_dbase flags */
-#define DBWRITING 1 /* are any write trans. in progress */
+#define DBWRITING 1 /* are any write trans. in progress */
+#if defined(UBIK_PAUSE)
+#define DBVOTING 2 /* the beacon task is polling */
+#endif /* UBIK_PAUSE */
/* ubik trans flags */
-#define TRDONE 1 /* commit or abort done */
-#define TRABORT 2 /* if TRDONE, tells if aborted */
-#define TRREADANY 4 /* read any data available in trans */
+#define TRDONE 1 /* commit or abort done */
+#define TRABORT 2 /* if TRDONE, tells if aborted */
+#define TRREADANY 4 /* read any data available in trans */
+#if defined(UBIK_PAUSE)
+#define TRSETLOCK 8 /* SetLock is using trans */
+#define TRSTALE 16 /* udisk_end during getLock */
+#endif /* UBIK_PAUSE */
/* ubik_lock flags */
#define LWANT 1
#define LOGFILE (-1)
/* define log opcodes */
-#define LOGNEW 100 /* start transaction */
-#define LOGEND 101 /* commit (good) end transaction */
-#define LOGABORT 102 /* abort (fail) transaction */
-#define LOGDATA 103 /* data */
-#define LOGTRUNCATE 104 /* truncate operation */
+#define LOGNEW 100 /* start transaction */
+#define LOGEND 101 /* commit (good) end transaction */
+#define LOGABORT 102 /* abort (fail) transaction */
+#define LOGDATA 103 /* data */
+#define LOGTRUNCATE 104 /* truncate operation */
/* time constant for replication algorithms: the R time period is 20 seconds. Both SMALLTIME
and BIGTIME must be larger than RPCTIMEOUT+max(RPCTIMEOUT,POLLTIME),
/* the per-server state, used by the sync site to keep track of its charges */
struct ubik_server {
- struct ubik_server *next; /* next ptr */
- afs_uint32 addr[UBIK_MAX_INTERFACE_ADDR];/* network order, addr[0] is primary*/
- afs_int32 lastVoteTime; /* last time yes vote received */
- afs_int32 lastBeaconSent; /* last time beacon attempted */
- struct ubik_version version; /* version, only used during recovery */
+ struct ubik_server *next; /* next ptr */
+ afs_uint32 addr[UBIK_MAX_INTERFACE_ADDR]; /* network order, addr[0] is primary */
+ afs_int32 lastVoteTime; /* last time yes vote received */
+ afs_int32 lastBeaconSent; /* last time beacon attempted */
+ struct ubik_version version; /* version, only used during recovery */
struct rx_connection *vote_rxcid; /* cid to use to contact dude for votes */
struct rx_connection *disk_rxcid; /* cid to use to contact dude for disk reqs */
- char lastVote; /* true if last vote was yes */
- char up; /* is it up? */
- char beaconSinceDown; /* did beacon get through since last crash? */
- char currentDB; /* is dbase up-to-date */
- char magic; /* the one whose vote counts twice */
- char isClone; /* is only a clone, doesn't vote */
+ char lastVote; /* true if last vote was yes */
+ char up; /* is it up? */
+ char beaconSinceDown; /* did beacon get through since last crash? */
+ char currentDB; /* is dbase up-to-date */
+ char magic; /* the one whose vote counts twice */
+ char isClone; /* is only a clone, doesn't vote */
};
/* hold and release functions on a database */
#define UBIK_RECSENTDB 0x10 /* sent best db to *everyone* */
#define UBIK_RECSBETTER UBIK_RECLABELDB /* last state */
-extern afs_int32 ubik_quorum; /* min hosts in quorum */
-extern struct ubik_dbase *ubik_dbase; /* the database handled by this server */
-extern afs_uint32 ubik_host[UBIK_MAX_INTERFACE_ADDR];/* this host addr, in net order */
-extern int ubik_amSyncSite; /* sleep on this waiting to be sync site */
-extern struct ubik_stats { /* random stats */
+extern afs_int32 ubik_quorum; /* min hosts in quorum */
+extern struct ubik_dbase *ubik_dbase; /* the database handled by this server */
+extern afs_uint32 ubik_host[UBIK_MAX_INTERFACE_ADDR]; /* this host addr, in net order */
+extern int ubik_amSyncSite; /* sleep on this waiting to be sync site */
+extern struct ubik_stats { /* random stats */
afs_int32 escapes;
} ubik_stats;
-extern afs_int32 ubik_epochTime; /* time when this site started */
-extern afs_int32 urecovery_state; /* sync site recovery process state */
+extern afs_int32 ubik_epochTime; /* time when this site started */
+extern afs_int32 urecovery_state; /* sync site recovery process state */
extern struct ubik_trans *ubik_currentTrans; /* current trans */
extern struct ubik_version ubik_dbVersion; /* sync site's dbase version */
-extern afs_int32 ubik_debugFlag; /* ubik debug flag */
-extern int ubikPrimaryAddrOnly; /* use only primary address */
+extern afs_int32 ubik_debugFlag; /* ubik debug flag */
+extern int ubikPrimaryAddrOnly; /* use only primary address */
/* this extern gives the sync site's db version, with epoch of 0 if none yet */
-extern int uphys_read();
-extern int uphys_write();
-extern int uphys_truncate();
-extern int uphys_sync();
-/*
- * This is static.
-extern int uphys_open();
- */
-extern int uphys_stat();
-extern int uphys_getlabel();
-extern int uphys_setlabel();
-extern int uphys_getnfiles();
-extern int ubeacon_Interact();
-extern int urecovery_Interact();
+/* phys.c */
+extern int uphys_close(register int afd);
+extern int uphys_stat(struct ubik_dbase *adbase, afs_int32 afid,
+ struct ubik_stat *astat);
+extern int uphys_read(register struct ubik_dbase *adbase, afs_int32 afile,
+ register char *abuffer, afs_int32 apos,
+ afs_int32 alength);
+extern int uphys_write(register struct ubik_dbase *adbase, afs_int32 afile,
+ register char *abuffer, afs_int32 apos,
+ afs_int32 alength);
+extern int uphys_truncate(register struct ubik_dbase *adbase, afs_int32 afile,
+ afs_int32 asize);
+extern int uphys_getnfiles(register struct ubik_dbase *adbase);
+extern int uphys_getlabel(register struct ubik_dbase *adbase, afs_int32 afile,
+ struct ubik_version *aversion);
+extern int uphys_setlabel(register struct ubik_dbase *adbase, afs_int32 afile,
+ struct ubik_version *aversion);
+extern int uphys_sync(register struct ubik_dbase *adbase, afs_int32 afile);
+extern void uphys_invalidate(register struct ubik_dbase *adbase,
+ afs_int32 afid);
+
+/* recovery.c */
+extern int urecovery_ResetState(void);
+extern int urecovery_LostServer(void);
+extern int urecovery_AllBetter(register struct ubik_dbase *adbase,
+ int areadAny);
+extern int urecovery_AbortAll(struct ubik_dbase *adbase);
+extern int urecovery_CheckTid(register struct ubik_tid *atid);
+extern int urecovery_Initialize(register struct ubik_dbase *adbase);
+extern void *urecovery_Interact(void *);
+extern int DoProbe(struct ubik_server *server);
+
+
+extern void *ubeacon_Interact(void *);
extern int sdisk_Interact();
extern int uvote_Interact();
extern int DISK_Abort();
extern int DISK_WriteV();
extern int DISK_Truncate();
extern int DISK_SetVersion();
+
+/* disk.c */
+extern int udisk_abort(struct ubik_trans *atrans);
+
+/* lock.c */
+extern void ulock_relLock(struct ubik_trans *atrans);
+
#endif /* UBIK_INTERNALS */
extern afs_int32 ubik_nBuffers;
* Public function prototypes
*/
-extern int ubik_ParseClientList(
- int argc,
- char **argv,
- afs_int32 *aothers
-);
+extern int ubik_ParseClientList(int argc, char **argv, afs_int32 * aothers);
+
+extern unsigned int afs_random(void
+ );
+
+extern int ubik_ClientInit(register struct rx_connection **serverconns,
+ struct ubik_client **aclient);
+
+extern afs_int32 ubik_ClientDestroy(struct ubik_client *aclient);
+
+extern afs_int32 ubik_CallIter(int (*aproc) (), struct ubik_client *aclient,
+ afs_int32 aflags, int *apos, long p1, long p2,
+ long p3, long p4, long p5, long p6, long p7,
+ long p8, long p9, long p10, long p11, long p12,
+ long p13, long p14, long p15, long p16);
-extern unsigned int afs_random(
- void
-);
+extern struct rx_connection *ubik_RefreshConn(struct rx_connection *tc);
-extern int ubik_ClientInit(
- register struct rx_connection **serverconns,
- struct ubik_client **aclient
-);
+/* ubik.c */
+extern int ubik_BeginTrans(register struct ubik_dbase *dbase,
+ afs_int32 transMode, struct ubik_trans **transPtr);
+extern int ubik_EndTrans(register struct ubik_trans *transPtr);
-extern afs_int32 ubik_ClientDestroy(
- struct ubik_client *aclient
-);
+/* uinit.c */
+extern afs_int32 ugen_ClientInit(int noAuthFlag, char *confDir, char *cellName,
+ afs_int32 sauth,
+ struct ubik_client **uclientp,
+ int (*secproc) (), char *funcName,
+ afs_int32 gen_rxkad_level,
+ afs_int32 maxservers, char *serviceid,
+ afs_int32 deadtime, afs_uint32 server,
+ afs_uint32 port, afs_int32 usrvid);
#endif /* UBIK_H */