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/*-
* See the file LICENSE for redistribution information.
*
* Copyright (c) 2000-2003
* Sleepycat Software. All rights reserved.
*
* $Id: db_server_int.h,v 1.24 2003/01/08 04:31:23 bostic Exp $
*/
#ifndef _DB_SERVER_INT_H_
#define _DB_SERVER_INT_H_
#define DB_SERVER_TIMEOUT 300 /* 5 minutes */
#define DB_SERVER_MAXTIMEOUT 1200 /* 20 minutes */
#define DB_SERVER_IDLETIMEOUT 86400 /* 1 day */
/*
* Ignore/mask off the following env->open flags:
* Most are illegal for a client to specify as they would control
* server resource usage. We will just ignore them.
* DB_LOCKDOWN
* DB_PRIVATE
* DB_RECOVER
* DB_RECOVER_FATAL
* DB_SYSTEM_MEM
* DB_USE_ENVIRON, DB_USE_ENVIRON_ROOT - handled on client
*/
#define DB_SERVER_FLAGMASK ( \
DB_LOCKDOWN | DB_PRIVATE | DB_RECOVER | DB_RECOVER_FATAL | \
DB_SYSTEM_MEM | DB_USE_ENVIRON | DB_USE_ENVIRON_ROOT)
#define CT_CURSOR 0x001 /* Cursor */
#define CT_DB 0x002 /* Database */
#define CT_ENV 0x004 /* Env */
#define CT_TXN 0x008 /* Txn */
#define CT_JOIN 0x10000000 /* Join cursor component */
#define CT_JOINCUR 0x20000000 /* Join cursor */
typedef struct home_entry home_entry;
struct home_entry {
LIST_ENTRY(home_entry) entries;
char *home;
char *dir;
char *name;
char *passwd;
};
/*
* Data needed for sharing handles.
* To share an env handle, on the open call, they must have matching
* env flags, and matching set_flags.
*
* To share a db handle on the open call, the db, subdb and flags must
* all be the same.
*/
#define DB_SERVER_ENVFLAGS ( \
DB_INIT_CDB | DB_INIT_LOCK | DB_INIT_LOG | DB_INIT_MPOOL | \
DB_INIT_TXN | DB_JOINENV)
#define DB_SERVER_DBFLAGS (DB_DIRTY_READ | DB_NOMMAP | DB_RDONLY)
#define DB_SERVER_DBNOSHARE (DB_EXCL | DB_TRUNCATE)
typedef struct ct_envdata ct_envdata;
typedef struct ct_dbdata ct_dbdata;
struct ct_envdata {
u_int32_t envflags;
u_int32_t onflags;
u_int32_t offflags;
home_entry *home;
};
struct ct_dbdata {
u_int32_t dbflags;
u_int32_t setflags;
char *db;
char *subdb;
DBTYPE type;
};
/*
* We maintain an activity timestamp for each handle. However, we
* set it to point, possibly to the ct_active field of its own handle
* or it may point to the ct_active field of a parent. In the case
* of nested transactions and any cursors within transactions it must
* point to the ct_active field of the ultimate parent of the transaction
* no matter how deeply it is nested.
*/
typedef struct ct_entry ct_entry;
struct ct_entry {
LIST_ENTRY(ct_entry) entries; /* List of entries */
union {
#ifdef __cplusplus
DbEnv *envp; /* H_ENV */
DbTxn *txnp; /* H_TXN */
Db *dbp; /* H_DB */
Dbc *dbc; /* H_CURSOR */
#else
DB_ENV *envp; /* H_ENV */
DB_TXN *txnp; /* H_TXN */
DB *dbp; /* H_DB */
DBC *dbc; /* H_CURSOR */
#endif
void *anyp;
} handle_u;
union { /* Private data per type */
ct_envdata envdp; /* Env info */
ct_dbdata dbdp; /* Db info */
} private_u;
long ct_id; /* Client ID */
long *ct_activep; /* Activity timestamp pointer*/
long *ct_origp; /* Original timestamp pointer*/
long ct_active; /* Activity timestamp */
long ct_timeout; /* Resource timeout */
long ct_idle; /* Idle timeout */
u_int32_t ct_refcount; /* Ref count for sharing */
u_int32_t ct_type; /* This entry's type */
struct ct_entry *ct_parent; /* Its parent */
struct ct_entry *ct_envparent; /* Its environment */
};
#define ct_envp handle_u.envp
#define ct_txnp handle_u.txnp
#define ct_dbp handle_u.dbp
#define ct_dbc handle_u.dbc
#define ct_anyp handle_u.anyp
#define ct_envdp private_u.envdp
#define ct_dbdp private_u.dbdp
extern int __dbsrv_verbose;
/*
* Get ctp and activate it.
* Assumes local variable 'replyp'.
* NOTE: May 'return' from macro.
*/
#define ACTIVATE_CTP(ctp, id, type) { \
(ctp) = get_tableent(id); \
if ((ctp) == NULL) { \
replyp->status = DB_NOSERVER_ID;\
return; \
} \
DB_ASSERT((ctp)->ct_type & (type)); \
__dbsrv_active(ctp); \
}
#endif /* !_DB_SERVER_INT_H_ */
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