globals.h

/*
 * Copyright 2000, International Business Machines Corporation and others.
 * All Rights Reserved.
 *
 * This software has been released under the terms of the IBM Public
 * License.  For details, see the LICENSE file in the top-level source
 * directory or online at http://www.openafs.org/dl/license10.html
 */

/*
 * global configuration information for the database server
 * ------------------
 */

#define	DEFAULT_DBPREFIX "bdb"	/* db name prefix */

/* debug and test flags */

#define	DF_NOAUTH		0x1	/* no authentication */
#define	DF_RECHECKNOAUTH	0x2	/* recheck no authentication ? */
#define	DF_SMALLHT		0x4	/* use small hash tables */
#define	DF_TRUNCATEDB		0x8	/* truncate database on startup */

extern int debugging;		/* for controlling debug output */

struct buServerConfS {
    /* global configuration */
    char *databaseDirectory;	/* where database is placed */
    char *databaseName;		/* database file name */
    char *databaseExtension;	/* extension (depends on ubik) */

    /* error logging */
    FILE *log;			/* log file for status/errors */

    /* ubik and comm. related */
    afs_uint32 myHost;
    afs_uint32 serverList[MAXSERVERS];	/* list of ubik servers */
    char *cellConfigdir;	/* afs cell config. directory */
    struct ubik_dbase *database;	/* handle for the database */

    /* debug and test */
    afs_uint32 debugFlags;
};

typedef struct buServerConfS buServerConfT;
typedef buServerConfT *buServerConfP;

extern buServerConfP globalConfPtr;

/* for synchronizing the threads dumping the database */

#define	DS_WAITING	1	/* reader/writer sleeping */
#define	DS_DONE		2	/* finished */
#define	DS_DONE_ERROR	4	/* finished with errors */

#define	DUMP_TTL_INC	300	/* secs. before dump times out */

#include <time.h>

struct dumpSyncS {
    struct Lock ds_lock;	/* for this struct. */
    afs_int32 statusFlags;	/* 0, or 1 for dump in progress */
    int pipeFid[2];		/* pipe between threads */
#ifdef AFS_PTHREAD_ENV
    pthread_mutex_t ds_writerStatus_mutex;
    pthread_mutex_t ds_readerStatus_mutex;
    pthread_cond_t ds_writerStatus_cond;
    pthread_cond_t ds_readerStatus_cond;
    pthread_t dumperPid;
#else
    PROCESS dumperPid;		/* pid of dumper lwp */
#endif
    char ds_writerStatus;
    char ds_readerStatus;

    struct ubik_trans *ut;	/* dump db transaction */
    afs_int32 ds_bytes;		/* no. of bytes buffered */
    time_t timeToLive;		/* time. After this, kill the dump */
};

typedef struct dumpSyncS dumpSyncT;
typedef dumpSyncT *dumpSyncP;

extern dumpSyncP dumpSyncPtr;	/* defined in dbs_dump.c */