/* * See the file LICENSE for redistribution information. * * Copyright (c) 1996, 2012 Oracle and/or its affiliates. All rights reserved. * * $Id$ * * db.h include file layout: * General. * Database Environment. * Locking subsystem. * Logging subsystem. * Shared buffer cache (mpool) subsystem. * Transaction subsystem. * Access methods. * Access method cursors. * Dbm/Ndbm, Hsearch historic interfaces. */ #ifndef _DB_H_ #define _DB_H_ #ifndef __NO_SYSTEM_INCLUDES #include <sys/types.h> #include <inttypes.h> #include <stdint.h> #include <stddef.h> #include <stdio.h> #include <unistd.h> #include <pthread.h> #endif #if defined(__cplusplus) extern "C" { #endif #undef __P #define __P(protos) protos /* * Berkeley DB version information. */ #define DB_VERSION_FAMILY 11 #define DB_VERSION_RELEASE 2 #define DB_VERSION_MAJOR 5 #define DB_VERSION_MINOR 3 #define DB_VERSION_PATCH 21 #define DB_VERSION_STRING "Berkeley DB 5.3.21: (May 11, 2012)" #define DB_VERSION_FULL_STRING "Berkeley DB 11g Release 2, library version 11.2.5.3.21: (May 11, 2012)" /* * !!! * Berkeley DB uses specifically sized types. If they're not provided by * the system, typedef them here. * * We protect them against multiple inclusion using __BIT_TYPES_DEFINED__, * as does BIND and Kerberos, since we don't know for sure what #include * files the user is using. * * !!! * We also provide the standard u_int, u_long etc., if they're not provided * by the system. */ #ifndef __BIT_TYPES_DEFINED__ #define __BIT_TYPES_DEFINED__ #endif /* * Missing ANSI types. * * uintmax_t -- * Largest unsigned type, used to align structures in memory. We don't store * floating point types in structures, so integral types should be sufficient * (and we don't have to worry about systems that store floats in other than * power-of-2 numbers of bytes). Additionally this fixes compilers that rewrite * structure assignments and ANSI C memcpy calls to be in-line instructions * that happen to require alignment. * * uintptr_t -- * Unsigned type that's the same size as a pointer. There are places where * DB modifies pointers by discarding the bottom bits to guarantee alignment. * We can't use uintmax_t, it may be larger than the pointer, and compilers * get upset about that. So far we haven't run on any machine where there's * no unsigned type the same size as a pointer -- here's hoping. */ #ifdef HAVE_MIXED_SIZE_ADDRESSING typedef u_int32_t db_size_t; #else typedef size_t db_size_t; #endif #ifdef HAVE_MIXED_SIZE_ADDRESSING typedef int32_t db_ssize_t; #else typedef ssize_t db_ssize_t; #endif /* * Sequences are only available on machines with 64-bit integral types. */ typedef int64_t db_seq_t; /* Thread and process identification. */ typedef pthread_t db_threadid_t; /* Basic types that are exported or quasi-exported. */ typedef u_int32_t db_pgno_t; /* Page number type. */ typedef u_int16_t db_indx_t; /* Page offset type. */ #define DB_MAX_PAGES 0xffffffff /* >= # of pages in a file */ typedef u_int32_t db_recno_t; /* Record number type. */ #define DB_MAX_RECORDS 0xffffffff /* >= # of records in a tree */ typedef u_int32_t db_timeout_t; /* Type of a timeout. */ /* * Region offsets are the difference between a pointer in a region and the * region's base address. With private environments, both addresses are the * result of calling malloc, and we can't assume anything about what malloc * will return, so region offsets have to be able to hold differences between * arbitrary pointers. */ typedef db_size_t roff_t; /* * Forward structure declarations, so we can declare pointers and * applications can get type checking. */ struct __channel; typedef struct __channel CHANNEL; struct __db; typedef struct __db DB; struct __db_bt_stat; typedef struct __db_bt_stat DB_BTREE_STAT; struct __db_channel; typedef struct __db_channel DB_CHANNEL; struct __db_cipher; typedef struct __db_cipher DB_CIPHER; struct __db_compact; typedef struct __db_compact DB_COMPACT; struct __db_dbt; typedef struct __db_dbt DBT; struct __db_distab; typedef struct __db_distab DB_DISTAB; struct __db_env; typedef struct __db_env DB_ENV; struct __db_h_stat; typedef struct __db_h_stat DB_HASH_STAT; struct __db_heap_rid; typedef struct __db_heap_rid DB_HEAP_RID; struct __db_heap_stat; typedef struct __db_heap_stat DB_HEAP_STAT; struct __db_ilock; typedef struct __db_ilock DB_LOCK_ILOCK; struct __db_lock_hstat; typedef struct __db_lock_hstat DB_LOCK_HSTAT; struct __db_lock_pstat; typedef struct __db_lock_pstat DB_LOCK_PSTAT; struct __db_lock_stat; typedef struct __db_lock_stat DB_LOCK_STAT; struct __db_lock_u; typedef struct __db_lock_u DB_LOCK; struct __db_locker; typedef struct __db_locker DB_LOCKER; struct __db_lockreq; typedef struct __db_lockreq DB_LOCKREQ; struct __db_locktab; typedef struct __db_locktab DB_LOCKTAB; struct __db_log; typedef struct __db_log DB_LOG; struct __db_log_cursor; typedef struct __db_log_cursor DB_LOGC; struct __db_log_stat; typedef struct __db_log_stat DB_LOG_STAT; struct __db_lsn; typedef struct __db_lsn DB_LSN; struct __db_mpool; typedef struct __db_mpool DB_MPOOL; struct __db_mpool_fstat;typedef struct __db_mpool_fstat DB_MPOOL_FSTAT; struct __db_mpool_stat; typedef struct __db_mpool_stat DB_MPOOL_STAT; struct __db_mpoolfile; typedef struct __db_mpoolfile DB_MPOOLFILE; struct __db_mutex_stat; typedef struct __db_mutex_stat DB_MUTEX_STAT; struct __db_mutex_t; typedef struct __db_mutex_t DB_MUTEX; struct __db_mutexmgr; typedef struct __db_mutexmgr DB_MUTEXMGR; struct __db_preplist; typedef struct __db_preplist DB_PREPLIST; struct __db_qam_stat; typedef struct __db_qam_stat DB_QUEUE_STAT; struct __db_rep; typedef struct __db_rep DB_REP; struct __db_rep_stat; typedef struct __db_rep_stat DB_REP_STAT; struct __db_repmgr_conn_err; typedef struct __db_repmgr_conn_err DB_REPMGR_CONN_ERR; struct __db_repmgr_site;typedef struct __db_repmgr_site DB_REPMGR_SITE; struct __db_repmgr_stat;typedef struct __db_repmgr_stat DB_REPMGR_STAT; struct __db_seq_record; typedef struct __db_seq_record DB_SEQ_RECORD; struct __db_seq_stat; typedef struct __db_seq_stat DB_SEQUENCE_STAT; struct __db_site; typedef struct __db_site DB_SITE; struct __db_sequence; typedef struct __db_sequence DB_SEQUENCE; struct __db_thread_info;typedef struct __db_thread_info DB_THREAD_INFO; struct __db_txn; typedef struct __db_txn DB_TXN; struct __db_txn_active; typedef struct __db_txn_active DB_TXN_ACTIVE; struct __db_txn_stat; typedef struct __db_txn_stat DB_TXN_STAT; struct __db_txn_token; typedef struct __db_txn_token DB_TXN_TOKEN; struct __db_txnmgr; typedef struct __db_txnmgr DB_TXNMGR; struct __dbc; typedef struct __dbc DBC; struct __dbc_internal; typedef struct __dbc_internal DBC_INTERNAL; struct __env; typedef struct __env ENV; struct __fh_t; typedef struct __fh_t DB_FH; struct __fname; typedef struct __fname FNAME; struct __key_range; typedef struct __key_range DB_KEY_RANGE; struct __mpoolfile; typedef struct __mpoolfile MPOOLFILE; struct __db_logvrfy_config; typedef struct __db_logvrfy_config DB_LOG_VERIFY_CONFIG; /* * The Berkeley DB API flags are automatically-generated -- the following flag * names are no longer used, but remain for compatibility reasons. */ #define DB_DEGREE_2 DB_READ_COMMITTED #define DB_DIRTY_READ DB_READ_UNCOMMITTED #define DB_JOINENV 0x0 /* Key/data structure -- a Data-Base Thang. */ struct __db_dbt { void *data; /* Key/data */ u_int32_t size; /* key/data length */ u_int32_t ulen; /* RO: length of user buffer. */ u_int32_t dlen; /* RO: get/put record length. */ u_int32_t doff; /* RO: get/put record offset. */ void *app_data; #define DB_DBT_APPMALLOC 0x001 /* Callback allocated memory. */ #define DB_DBT_BULK 0x002 /* Internal: Insert if duplicate. */ #define DB_DBT_DUPOK 0x004 /* Internal: Insert if duplicate. */ #define DB_DBT_ISSET 0x008 /* Lower level calls set value. */ #define DB_DBT_MALLOC 0x010 /* Return in malloc'd memory. */ #define DB_DBT_MULTIPLE 0x020 /* References multiple records. */ #define DB_DBT_PARTIAL 0x040 /* Partial put/get. */ #define DB_DBT_REALLOC 0x080 /* Return in realloc'd memory. */ #define DB_DBT_READONLY 0x100 /* Readonly, don't update. */ #define DB_DBT_STREAMING 0x200 /* Internal: DBT is being streamed. */ #define DB_DBT_USERCOPY 0x400 /* Use the user-supplied callback. */ #define DB_DBT_USERMEM 0x800 /* Return in user's memory. */ u_int32_t flags; }; /******************************************************* * Mutexes. *******************************************************/ /* * When mixed size addressing is supported mutexes need to be the same size * independent of the process address size is. */ #ifdef HAVE_MIXED_SIZE_ADDRESSING typedef db_size_t db_mutex_t; #else typedef uintptr_t db_mutex_t; #endif struct __db_mutex_stat { /* SHARED */ /* The following fields are maintained in the region's copy. */ u_int32_t st_mutex_align; /* Mutex alignment */ u_int32_t st_mutex_tas_spins; /* Mutex test-and-set spins */ u_int32_t st_mutex_init; /* Initial mutex count */ u_int32_t st_mutex_cnt; /* Mutex count */ u_int32_t st_mutex_max; /* Mutex max */ u_int32_t st_mutex_free; /* Available mutexes */ u_int32_t st_mutex_inuse; /* Mutexes in use */ u_int32_t st_mutex_inuse_max; /* Maximum mutexes ever in use */ /* The following fields are filled-in from other places. */ #ifndef __TEST_DB_NO_STATISTICS uintmax_t st_region_wait; /* Region lock granted after wait. */ uintmax_t st_region_nowait; /* Region lock granted without wait. */ roff_t st_regsize; /* Region size. */ roff_t st_regmax; /* Region max. */ #endif }; /* This is the length of the buffer passed to DB_ENV->thread_id_string() */ #define DB_THREADID_STRLEN 128 /******************************************************* * Locking. *******************************************************/ #define DB_LOCKVERSION 1 #define DB_FILE_ID_LEN 20 /* Unique file ID length. */ /* * Deadlock detector modes; used in the DB_ENV structure to configure the * locking subsystem. */ #define DB_LOCK_NORUN 0 #define DB_LOCK_DEFAULT 1 /* Default policy. */ #define DB_LOCK_EXPIRE 2 /* Only expire locks, no detection. */ #define DB_LOCK_MAXLOCKS 3 /* Select locker with max locks. */ #define DB_LOCK_MAXWRITE 4 /* Select locker with max writelocks. */ #define DB_LOCK_MINLOCKS 5 /* Select locker with min locks. */ #define DB_LOCK_MINWRITE 6 /* Select locker with min writelocks. */ #define DB_LOCK_OLDEST 7 /* Select oldest locker. */ #define DB_LOCK_RANDOM 8 /* Select random locker. */ #define DB_LOCK_YOUNGEST 9 /* Select youngest locker. */ /* * Simple R/W lock modes and for multi-granularity intention locking. * * !!! * These values are NOT random, as they are used as an index into the lock * conflicts arrays, i.e., DB_LOCK_IWRITE must be == 3, and DB_LOCK_IREAD * must be == 4. */ typedef enum { DB_LOCK_NG=0, /* Not granted. */ DB_LOCK_READ=1, /* Shared/read. */ DB_LOCK_WRITE=2, /* Exclusive/write. */ DB_LOCK_WAIT=3, /* Wait for event */ DB_LOCK_IWRITE=4, /* Intent exclusive/write. */ DB_LOCK_IREAD=5, /* Intent to share/read. */ DB_LOCK_IWR=6, /* Intent to read and write. */ DB_LOCK_READ_UNCOMMITTED=7, /* Degree 1 isolation. */ DB_LOCK_WWRITE=8 /* Was Written. */ } db_lockmode_t; /* * Request types. */ typedef enum { DB_LOCK_DUMP=0, /* Display held locks. */ DB_LOCK_GET=1, /* Get the lock. */ DB_LOCK_GET_TIMEOUT=2, /* Get lock with a timeout. */ DB_LOCK_INHERIT=3, /* Pass locks to parent. */ DB_LOCK_PUT=4, /* Release the lock. */ DB_LOCK_PUT_ALL=5, /* Release locker's locks. */ DB_LOCK_PUT_OBJ=6, /* Release locker's locks on obj. */ DB_LOCK_PUT_READ=7, /* Release locker's read locks. */ DB_LOCK_TIMEOUT=8, /* Force a txn to timeout. */ DB_LOCK_TRADE=9, /* Trade locker ids on a lock. */ DB_LOCK_UPGRADE_WRITE=10 /* Upgrade writes for dirty reads. */ } db_lockop_t; /* * Status of a lock. */ typedef enum { DB_LSTAT_ABORTED=1, /* Lock belongs to an aborted txn. */ DB_LSTAT_EXPIRED=2, /* Lock has expired. */ DB_LSTAT_FREE=3, /* Lock is unallocated. */ DB_LSTAT_HELD=4, /* Lock is currently held. */ DB_LSTAT_PENDING=5, /* Lock was waiting and has been * promoted; waiting for the owner * to run and upgrade it to held. */ DB_LSTAT_WAITING=6 /* Lock is on the wait queue. */ }db_status_t; /* Lock statistics structure. */ struct __db_lock_stat { /* SHARED */ u_int32_t st_id; /* Last allocated locker ID. */ u_int32_t st_cur_maxid; /* Current maximum unused ID. */ u_int32_t st_initlocks; /* Initial number of locks in table. */ u_int32_t st_initlockers; /* Initial num of lockers in table. */ u_int32_t st_initobjects; /* Initial num of objects in table. */ u_int32_t st_locks; /* Current number of locks in table. */ u_int32_t st_lockers; /* Current num of lockers in table. */ u_int32_t st_objects; /* Current num of objects in table. */ u_int32_t st_maxlocks; /* Maximum number of locks in table. */ u_int32_t st_maxlockers; /* Maximum num of lockers in table. */ u_int32_t st_maxobjects; /* Maximum num of objects in table. */ u_int32_t st_partitions; /* number of partitions. */ u_int32_t st_tablesize; /* Size of object hash table. */ int32_t st_nmodes; /* Number of lock modes. */ u_int32_t st_nlockers; /* Current number of lockers. */ #ifndef __TEST_DB_NO_STATISTICS u_int32_t st_nlocks; /* Current number of locks. */ u_int32_t st_maxnlocks; /* Maximum number of locks so far. */ u_int32_t st_maxhlocks; /* Maximum number of locks in any bucket. */ uintmax_t st_locksteals; /* Number of lock steals so far. */ uintmax_t st_maxlsteals; /* Maximum number steals in any partition. */ u_int32_t st_maxnlockers; /* Maximum number of lockers so far. */ u_int32_t st_nobjects; /* Current number of objects. */ u_int32_t st_maxnobjects; /* Maximum number of objects so far. */ u_int32_t st_maxhobjects; /* Maximum number of objectsin any bucket. */ uintmax_t st_objectsteals; /* Number of objects steals so far. */ uintmax_t st_maxosteals; /* Maximum number of steals in any partition. */ uintmax_t st_nrequests; /* Number of lock gets. */ uintmax_t st_nreleases; /* Number of lock puts. */ uintmax_t st_nupgrade; /* Number of lock upgrades. */ uintmax_t st_ndowngrade; /* Number of lock downgrades. */ uintmax_t st_lock_wait; /* Lock conflicts w/ subsequent wait */ uintmax_t st_lock_nowait; /* Lock conflicts w/o subsequent wait */ uintmax_t st_ndeadlocks; /* Number of lock deadlocks. */ db_timeout_t st_locktimeout; /* Lock timeout. */ uintmax_t st_nlocktimeouts; /* Number of lock timeouts. */ db_timeout_t st_txntimeout; /* Transaction timeout. */ uintmax_t st_ntxntimeouts; /* Number of transaction timeouts. */ uintmax_t st_part_wait; /* Partition lock granted after wait. */ uintmax_t st_part_nowait; /* Partition lock granted without wait. */ uintmax_t st_part_max_wait; /* Max partition lock granted after wait. */ uintmax_t st_part_max_nowait; /* Max partition lock granted without wait. */ uintmax_t st_objs_wait; /* Object lock granted after wait. */ uintmax_t st_objs_nowait; /* Object lock granted without wait. */ uintmax_t st_lockers_wait; /* Locker lock granted after wait. */ uintmax_t st_lockers_nowait; /* Locker lock granted without wait. */ uintmax_t st_region_wait; /* Region lock granted after wait. */ uintmax_t st_region_nowait; /* Region lock granted without wait. */ u_int32_t st_hash_len; /* Max length of bucket. */ roff_t st_regsize; /* Region size. */ #endif }; struct __db_lock_hstat { /* SHARED */ uintmax_t st_nrequests; /* Number of lock gets. */ uintmax_t st_nreleases; /* Number of lock puts. */ uintmax_t st_nupgrade; /* Number of lock upgrades. */ uintmax_t st_ndowngrade; /* Number of lock downgrades. */ u_int32_t st_nlocks; /* Current number of locks. */ u_int32_t st_maxnlocks; /* Maximum number of locks so far. */ u_int32_t st_nobjects; /* Current number of objects. */ u_int32_t st_maxnobjects; /* Maximum number of objects so far. */ uintmax_t st_lock_wait; /* Lock conflicts w/ subsequent wait */ uintmax_t st_lock_nowait; /* Lock conflicts w/o subsequent wait */ uintmax_t st_nlocktimeouts; /* Number of lock timeouts. */ uintmax_t st_ntxntimeouts; /* Number of transaction timeouts. */ u_int32_t st_hash_len; /* Max length of bucket. */ }; struct __db_lock_pstat { /* SHARED */ u_int32_t st_nlocks; /* Current number of locks. */ u_int32_t st_maxnlocks; /* Maximum number of locks so far. */ u_int32_t st_nobjects; /* Current number of objects. */ u_int32_t st_maxnobjects; /* Maximum number of objects so far. */ uintmax_t st_locksteals; /* Number of lock steals so far. */ uintmax_t st_objectsteals; /* Number of objects steals so far. */ }; /* * DB_LOCK_ILOCK -- * Internal DB access method lock. */ struct __db_ilock { /* SHARED */ db_pgno_t pgno; /* Page being locked. */ u_int8_t fileid[DB_FILE_ID_LEN];/* File id. */ #define DB_HANDLE_LOCK 1 #define DB_RECORD_LOCK 2 #define DB_PAGE_LOCK 3 #define DB_DATABASE_LOCK 4 u_int32_t type; /* Type of lock. */ }; /* * DB_LOCK -- * The structure is allocated by the caller and filled in during a * lock_get request (or a lock_vec/DB_LOCK_GET). */ struct __db_lock_u { /* SHARED */ roff_t off; /* Offset of the lock in the region */ u_int32_t ndx; /* Index of the object referenced by * this lock; used for locking. */ u_int32_t gen; /* Generation number of this lock. */ db_lockmode_t mode; /* mode of this lock. */ }; /* Lock request structure. */ struct __db_lockreq { db_lockop_t op; /* Operation. */ db_lockmode_t mode; /* Requested mode. */ db_timeout_t timeout; /* Time to expire lock. */ DBT *obj; /* Object being locked. */ DB_LOCK lock; /* Lock returned. */ }; /******************************************************* * Logging. *******************************************************/ #define DB_LOGVERSION 19 /* Current log version. */ #define DB_LOGVERSION_LATCHING 15 /* Log version using latching: db-4.8 */ #define DB_LOGCHKSUM 12 /* Check sum headers: db-4.5 */ #define DB_LOGOLDVER 8 /* Oldest version supported: db-4.2 */ #define DB_LOGMAGIC 0x040988 /* * A DB_LSN has two parts, a fileid which identifies a specific file, and an * offset within that file. The fileid is an unsigned 4-byte quantity that * uniquely identifies a file within the log directory -- currently a simple * counter inside the log. The offset is also an unsigned 4-byte value. The * log manager guarantees the offset is never more than 4 bytes by switching * to a new log file before the maximum length imposed by an unsigned 4-byte * offset is reached. */ struct __db_lsn { /* SHARED */ u_int32_t file; /* File ID. */ u_int32_t offset; /* File offset. */ }; /* * Application-specified log record types start at DB_user_BEGIN, and must not * equal or exceed DB_debug_FLAG. * * DB_debug_FLAG is the high-bit of the u_int32_t that specifies a log record * type. If the flag is set, it's a log record that was logged for debugging * purposes only, even if it reflects a database change -- the change was part * of a non-durable transaction. */ #define DB_user_BEGIN 10000 #define DB_debug_FLAG 0x80000000 /* * DB_LOGC -- * Log cursor. */ struct __db_log_cursor { ENV *env; /* Environment */ DB_FH *fhp; /* File handle. */ DB_LSN lsn; /* Cursor: LSN */ u_int32_t len; /* Cursor: record length */ u_int32_t prev; /* Cursor: previous record's offset */ DBT dbt; /* Return DBT. */ DB_LSN p_lsn; /* Persist LSN. */ u_int32_t p_version; /* Persist version. */ u_int8_t *bp; /* Allocated read buffer. */ u_int32_t bp_size; /* Read buffer length in bytes. */ u_int32_t bp_rlen; /* Read buffer valid data length. */ DB_LSN bp_lsn; /* Read buffer first byte LSN. */ u_int32_t bp_maxrec; /* Max record length in the log file. */ /* DB_LOGC PUBLIC HANDLE LIST BEGIN */ int (*close) __P((DB_LOGC *, u_int32_t)); int (*get) __P((DB_LOGC *, DB_LSN *, DBT *, u_int32_t)); int (*version) __P((DB_LOGC *, u_int32_t *, u_int32_t)); /* DB_LOGC PUBLIC HANDLE LIST END */ #define DB_LOG_DISK 0x01 /* Log record came from disk. */ #define DB_LOG_LOCKED 0x02 /* Log region already locked */ #define DB_LOG_SILENT_ERR 0x04 /* Turn-off error messages. */ u_int32_t flags; }; /* Log statistics structure. */ struct __db_log_stat { /* SHARED */ u_int32_t st_magic; /* Log file magic number. */ u_int32_t st_version; /* Log file version number. */ int32_t st_mode; /* Log file permissions mode. */ u_int32_t st_lg_bsize; /* Log buffer size. */ u_int32_t st_lg_size; /* Log file size. */ u_int32_t st_wc_bytes; /* Bytes to log since checkpoint. */ u_int32_t st_wc_mbytes; /* Megabytes to log since checkpoint. */ u_int32_t st_fileid_init; /* Initial allocation for fileids. */ #ifndef __TEST_DB_NO_STATISTICS u_int32_t st_nfileid; /* Current number of fileids. */ u_int32_t st_maxnfileid; /* Maximum number of fileids used. */ uintmax_t st_record; /* Records entered into the log. */ u_int32_t st_w_bytes; /* Bytes to log. */ u_int32_t st_w_mbytes; /* Megabytes to log. */ uintmax_t st_wcount; /* Total I/O writes to the log. */ uintmax_t st_wcount_fill; /* Overflow writes to the log. */ uintmax_t st_rcount; /* Total I/O reads from the log. */ uintmax_t st_scount; /* Total syncs to the log. */ uintmax_t st_region_wait; /* Region lock granted after wait. */ uintmax_t st_region_nowait; /* Region lock granted without wait. */ u_int32_t st_cur_file; /* Current log file number. */ u_int32_t st_cur_offset; /* Current log file offset. */ u_int32_t st_disk_file; /* Known on disk log file number. */ u_int32_t st_disk_offset; /* Known on disk log file offset. */ u_int32_t st_maxcommitperflush; /* Max number of commits in a flush. */ u_int32_t st_mincommitperflush; /* Min number of commits in a flush. */ roff_t st_regsize; /* Region size. */ #endif }; /* * We need to record the first log record of a transaction. For user * defined logging this macro returns the place to put that information, * if it is need in rlsnp, otherwise it leaves it unchanged. We also * need to track the last record of the transaction, this returns the * place to put that info. */ #define DB_SET_TXN_LSNP(txn, blsnp, llsnp) \ ((txn)->set_txn_lsnp(txn, blsnp, llsnp)) /* * Definition of the structure which specifies marshalling of log records. */ typedef enum { LOGREC_Done, LOGREC_ARG, LOGREC_HDR, LOGREC_DATA, LOGREC_DB, LOGREC_DBOP, LOGREC_DBT, LOGREC_LOCKS, LOGREC_OP, LOGREC_PGDBT, LOGREC_PGDDBT, LOGREC_PGLIST, LOGREC_POINTER, LOGREC_TIME } log_rec_type_t; typedef const struct __log_rec_spec { log_rec_type_t type; u_int32_t offset; const char *name; const char fmt[4]; } DB_LOG_RECSPEC; /* * Size of a DBT in a log record. */ #define LOG_DBT_SIZE(dbt) \ (sizeof(u_int32_t) + ((dbt) == NULL ? 0 : (dbt)->size)) /******************************************************* * Shared buffer cache (mpool). *******************************************************/ /* Priority values for DB_MPOOLFILE->{put,set_priority}. */ typedef enum { DB_PRIORITY_UNCHANGED=0, DB_PRIORITY_VERY_LOW=1, DB_PRIORITY_LOW=2, DB_PRIORITY_DEFAULT=3, DB_PRIORITY_HIGH=4, DB_PRIORITY_VERY_HIGH=5 } DB_CACHE_PRIORITY; /* Per-process DB_MPOOLFILE information. */ struct __db_mpoolfile { DB_FH *fhp; /* Underlying file handle. */ /* * !!! * The ref, pinref and q fields are protected by the region lock. */ u_int32_t ref; /* Reference count. */ u_int32_t pinref; /* Pinned block reference count. */ /* * !!! * Explicit representations of structures from queue.h. * TAILQ_ENTRY(__db_mpoolfile) q; */ struct { struct __db_mpoolfile *tqe_next; struct __db_mpoolfile **tqe_prev; } q; /* Linked list of DB_MPOOLFILE's. */ /* * !!! * The rest of the fields (with the exception of the MP_FLUSH flag) * are not thread-protected, even when they may be modified at any * time by the application. The reason is the DB_MPOOLFILE handle * is single-threaded from the viewpoint of the application, and so * the only fields needing to be thread-protected are those accessed * by checkpoint or sync threads when using DB_MPOOLFILE structures * to flush buffers from the cache. */ ENV *env; /* Environment */ MPOOLFILE *mfp; /* Underlying MPOOLFILE. */ u_int32_t clear_len; /* Cleared length on created pages. */ u_int8_t /* Unique file ID. */ fileid[DB_FILE_ID_LEN]; int ftype; /* File type. */ int32_t lsn_offset; /* LSN offset in page. */ u_int32_t gbytes, bytes; /* Maximum file size. */ DBT *pgcookie; /* Byte-string passed to pgin/pgout. */ int32_t priority; /* Cache priority. */ void *addr; /* Address of mmap'd region. */ size_t len; /* Length of mmap'd region. */ u_int32_t config_flags; /* Flags to DB_MPOOLFILE->set_flags. */ /* DB_MPOOLFILE PUBLIC HANDLE LIST BEGIN */ int (*close) __P((DB_MPOOLFILE *, u_int32_t)); int (*get) __P((DB_MPOOLFILE *, db_pgno_t *, DB_TXN *, u_int32_t, void *)); int (*get_clear_len) __P((DB_MPOOLFILE *, u_int32_t *)); int (*get_fileid) __P((DB_MPOOLFILE *, u_int8_t *)); int (*get_flags) __P((DB_MPOOLFILE *, u_int32_t *)); int (*get_ftype) __P((DB_MPOOLFILE *, int *)); int (*get_last_pgno) __P((DB_MPOOLFILE *, db_pgno_t *)); int (*get_lsn_offset) __P((DB_MPOOLFILE *, int32_t *)); int (*get_maxsize) __P((DB_MPOOLFILE *, u_int32_t *, u_int32_t *)); int (*get_pgcookie) __P((DB_MPOOLFILE *, DBT *)); int (*get_priority) __P((DB_MPOOLFILE *, DB_CACHE_PRIORITY *)); int (*open) __P((DB_MPOOLFILE *, const char *, u_int32_t, int, size_t)); int (*put) __P((DB_MPOOLFILE *, void *, DB_CACHE_PRIORITY, u_int32_t)); int (*set_clear_len) __P((DB_MPOOLFILE *, u_int32_t)); int (*set_fileid) __P((DB_MPOOLFILE *, u_int8_t *)); int (*set_flags) __P((DB_MPOOLFILE *, u_int32_t, int)); int (*set_ftype) __P((DB_MPOOLFILE *, int)); int (*set_lsn_offset) __P((DB_MPOOLFILE *, int32_t)); int (*set_maxsize) __P((DB_MPOOLFILE *, u_int32_t, u_int32_t)); int (*set_pgcookie) __P((DB_MPOOLFILE *, DBT *)); int (*set_priority) __P((DB_MPOOLFILE *, DB_CACHE_PRIORITY)); int (*sync) __P((DB_MPOOLFILE *)); /* DB_MPOOLFILE PUBLIC HANDLE LIST END */ /* * MP_FILEID_SET, MP_OPEN_CALLED and MP_READONLY do not need to be * thread protected because they are initialized before the file is * linked onto the per-process lists, and never modified. * * MP_FLUSH is thread protected because it is potentially read/set by * multiple threads of control. */ #define MP_FILEID_SET 0x001 /* Application supplied a file ID. */ #define MP_FLUSH 0x002 /* Was used to flush a buffer. */ #define MP_FOR_FLUSH 0x004 /* Was opened to flush a buffer. */ #define MP_MULTIVERSION 0x008 /* Opened for multiversion access. */ #define MP_OPEN_CALLED 0x010 /* File opened. */ #define MP_READONLY 0x020 /* File is readonly. */ #define MP_DUMMY 0x040 /* File is dummy for __memp_fput. */ u_int32_t flags; }; /* Mpool statistics structure. */ struct __db_mpool_stat { /* SHARED */ u_int32_t st_gbytes; /* Total cache size: GB. */ u_int32_t st_bytes; /* Total cache size: B. */ u_int32_t st_ncache; /* Number of cache regions. */ u_int32_t st_max_ncache; /* Maximum number of regions. */ db_size_t st_mmapsize; /* Maximum file size for mmap. */ int32_t st_maxopenfd; /* Maximum number of open fd's. */ int32_t st_maxwrite; /* Maximum buffers to write. */ db_timeout_t st_maxwrite_sleep; /* Sleep after writing max buffers. */ u_int32_t st_pages; /* Total number of pages. */ #ifndef __TEST_DB_NO_STATISTICS u_int32_t st_map; /* Pages from mapped files. */ uintmax_t st_cache_hit; /* Pages found in the cache. */ uintmax_t st_cache_miss; /* Pages not found in the cache. */ uintmax_t st_page_create; /* Pages created in the cache. */ uintmax_t st_page_in; /* Pages read in. */ uintmax_t st_page_out; /* Pages written out. */ uintmax_t st_ro_evict; /* Clean pages forced from the cache. */ uintmax_t st_rw_evict; /* Dirty pages forced from the cache. */ uintmax_t st_page_trickle; /* Pages written by memp_trickle. */ u_int32_t st_page_clean; /* Clean pages. */ u_int32_t st_page_dirty; /* Dirty pages. */ u_int32_t st_hash_buckets; /* Number of hash buckets. */ u_int32_t st_hash_mutexes; /* Number of hash bucket mutexes. */ u_int32_t st_pagesize; /* Assumed page size. */ u_int32_t st_hash_searches; /* Total hash chain searches. */ u_int32_t st_hash_longest; /* Longest hash chain searched. */ uintmax_t st_hash_examined; /* Total hash entries searched. */ uintmax_t st_hash_nowait; /* Hash lock granted with nowait. */ uintmax_t st_hash_wait; /* Hash lock granted after wait. */ uintmax_t st_hash_max_nowait; /* Max hash lock granted with nowait. */ uintmax_t st_hash_max_wait; /* Max hash lock granted after wait. */ uintmax_t st_region_nowait; /* Region lock granted with nowait. */ uintmax_t st_region_wait; /* Region lock granted after wait. */ uintmax_t st_mvcc_frozen; /* Buffers frozen. */ uintmax_t st_mvcc_thawed; /* Buffers thawed. */ uintmax_t st_mvcc_freed; /* Frozen buffers freed. */ uintmax_t st_alloc; /* Number of page allocations. */ uintmax_t st_alloc_buckets; /* Buckets checked during allocation. */ uintmax_t st_alloc_max_buckets;/* Max checked during allocation. */ uintmax_t st_alloc_pages; /* Pages checked during allocation. */ uintmax_t st_alloc_max_pages; /* Max checked during allocation. */ uintmax_t st_io_wait; /* Thread waited on buffer I/O. */ uintmax_t st_sync_interrupted; /* Number of times sync interrupted. */ roff_t st_regsize; /* Region size. */ roff_t st_regmax; /* Region max. */ #endif }; /* * Mpool file statistics structure. * The first fields in this structure must mirror the __db_mpool_fstat_int * structure, since content is mem copied between the two. */ struct __db_mpool_fstat { u_int32_t st_pagesize; /* Page size. */ #ifndef __TEST_DB_NO_STATISTICS u_int32_t st_map; /* Pages from mapped files. */ uintmax_t st_cache_hit; /* Pages found in the cache. */ uintmax_t st_cache_miss; /* Pages not found in the cache. */ uintmax_t st_page_create; /* Pages created in the cache. */ uintmax_t st_page_in; /* Pages read in. */ uintmax_t st_page_out; /* Pages written out. */ uintmax_t st_backup_spins; /* Number of spins during a copy. */ #endif char *file_name; /* File name. */ }; /******************************************************* * Transactions and recovery. *******************************************************/ #define DB_TXNVERSION 1 typedef enum { DB_TXN_ABORT=0, /* Public. */ DB_TXN_APPLY=1, /* Public. */ DB_TXN_BACKWARD_ROLL=3, /* Public. */ DB_TXN_FORWARD_ROLL=4, /* Public. */ DB_TXN_OPENFILES=5, /* Internal. */ DB_TXN_POPENFILES=6, /* Internal. */ DB_TXN_PRINT=7, /* Public. */ DB_TXN_LOG_VERIFY=8 /* Internal. */ } db_recops; /* * BACKWARD_ALLOC is used during the forward pass to pick up any aborted * allocations for files that were created during the forward pass. * The main difference between _ALLOC and _ROLL is that the entry for * the file not exist during the rollforward pass. */ #define DB_UNDO(op) ((op) == DB_TXN_ABORT || (op) == DB_TXN_BACKWARD_ROLL) #define DB_REDO(op) ((op) == DB_TXN_FORWARD_ROLL || (op) == DB_TXN_APPLY) struct __db_txn { DB_TXNMGR *mgrp; /* Pointer to transaction manager. */ DB_TXN *parent; /* Pointer to transaction's parent. */ DB_THREAD_INFO *thread_info; /* Pointer to thread information. */ u_int32_t txnid; /* Unique transaction id. */ char *name; /* Transaction name. */ DB_LOCKER *locker; /* Locker for this txn. */ void *td; /* Detail structure within region. */ db_timeout_t lock_timeout; /* Timeout for locks for this txn. */ void *txn_list; /* Undo information for parent. */ /* * !!! * Explicit representations of structures from queue.h. * TAILQ_ENTRY(__db_txn) links; */ struct { struct __db_txn *tqe_next; struct __db_txn **tqe_prev; } links; /* Links transactions off manager. */ /* * !!! * Explicit representations of structures from shqueue.h. * SH_TAILQ_ENTRY xa_links; * These links link together transactions that are active in * the same thread of control. */ struct { db_ssize_t stqe_next; db_ssize_t stqe_prev; } xa_links; /* Links XA transactions. */ /* * !!! * Explicit representations of structures from queue.h. * TAILQ_HEAD(__kids, __db_txn) kids; */ struct __kids { struct __db_txn *tqh_first; struct __db_txn **tqh_last; } kids; /* * !!! * Explicit representations of structures from queue.h. * TAILQ_HEAD(__events, __txn_event) events; */ struct { struct __txn_event *tqh_first; struct __txn_event **tqh_last; } events; /* Links deferred events. */ /* * !!! * Explicit representations of structures from queue.h. * STAILQ_HEAD(__logrec, __txn_logrec) logs; */ struct { struct __txn_logrec *stqh_first; struct __txn_logrec **stqh_last; } logs; /* Links in memory log records. */ /* * !!! * Explicit representations of structures from queue.h. * TAILQ_ENTRY(__db_txn) klinks; */ struct { struct __db_txn *tqe_next; struct __db_txn **tqe_prev; } klinks; /* Links of children in parent. */ /* * !!! * Explicit representations of structures from queue.h. * TAILQ_HEAD(__my_cursors, __dbc) my_cursors; */ struct __my_cursors { struct __dbc *tqh_first; struct __dbc **tqh_last; } my_cursors; /* * !!! * Explicit representations of structures from queue.h. * TAILQ_HEAD(__femfs, MPOOLFILE) femfs; * * These are DBs involved in file extension in this transaction. */ struct __femfs { DB *tqh_first; DB **tqh_last; } femfs; DB_TXN_TOKEN *token_buffer; /* User's commit token buffer. */ void *api_internal; /* C++ API private. */ void *xml_internal; /* XML API private. */ u_int32_t cursors; /* Number of cursors open for txn */ /* DB_TXN PUBLIC HANDLE LIST BEGIN */ int (*abort) __P((DB_TXN *)); int (*commit) __P((DB_TXN *, u_int32_t)); int (*discard) __P((DB_TXN *, u_int32_t)); int (*get_name) __P((DB_TXN *, const char **)); int (*get_priority) __P((DB_TXN *, u_int32_t *)); u_int32_t (*id) __P((DB_TXN *)); int (*prepare) __P((DB_TXN *, u_int8_t *)); int (*set_commit_token) __P((DB_TXN *, DB_TXN_TOKEN *)); int (*set_name) __P((DB_TXN *, const char *)); int (*set_priority) __P((DB_TXN *, u_int32_t)); int (*set_timeout) __P((DB_TXN *, db_timeout_t, u_int32_t)); /* DB_TXN PUBLIC HANDLE LIST END */ /* DB_TXN PRIVATE HANDLE LIST BEGIN */ void (*set_txn_lsnp) __P((DB_TXN *txn, DB_LSN **, DB_LSN **)); /* DB_TXN PRIVATE HANDLE LIST END */ #define TXN_XA_THREAD_NOTA 0 #define TXN_XA_THREAD_ASSOCIATED 1 #define TXN_XA_THREAD_SUSPENDED 2 #define TXN_XA_THREAD_UNASSOCIATED 3 u_int32_t xa_thr_status; #define TXN_CHILDCOMMIT 0x00001 /* Txn has committed. */ #define TXN_COMPENSATE 0x00002 /* Compensating transaction. */ #define TXN_DEADLOCK 0x00004 /* Txn has deadlocked. */ #define TXN_FAMILY 0x00008 /* Cursors/children are independent. */ #define TXN_IGNORE_LEASE 0x00010 /* Skip lease check at commit time. */ #define TXN_INFAMILY 0x00020 /* Part of a transaction family. */ #define TXN_LOCKTIMEOUT 0x00040 /* Txn has a lock timeout. */ #define TXN_MALLOC 0x00080 /* Structure allocated by TXN system. */ #define TXN_NOSYNC 0x00100 /* Do not sync on prepare and commit. */ #define TXN_NOWAIT 0x00200 /* Do not wait on locks. */ #define TXN_PRIVATE 0x00400 /* Txn owned by cursor. */ #define TXN_READONLY 0x00800 /* CDS group handle. */ #define TXN_READ_COMMITTED 0x01000 /* Txn has degree 2 isolation. */ #define TXN_READ_UNCOMMITTED 0x02000 /* Txn has degree 1 isolation. */ #define TXN_RESTORED 0x04000 /* Txn has been restored. */ #define TXN_SNAPSHOT 0x08000 /* Snapshot Isolation. */ #define TXN_SYNC 0x10000 /* Write and sync on prepare/commit. */ #define TXN_WRITE_NOSYNC 0x20000 /* Write only on prepare/commit. */ #define TXN_BULK 0x40000 /* Enable bulk loading optimization. */ u_int32_t flags; }; #define TXN_SYNC_FLAGS (TXN_SYNC | TXN_NOSYNC | TXN_WRITE_NOSYNC) /* * Structure used for two phase commit interface. * We set the size of our global transaction id (gid) to be 128 in order * to match that defined by the XA X/Open standard. */ #define DB_GID_SIZE 128 struct __db_preplist { DB_TXN *txn; u_int8_t gid[DB_GID_SIZE]; }; /* Transaction statistics structure. */ struct __db_txn_active { u_int32_t txnid; /* Transaction ID */ u_int32_t parentid; /* Transaction ID of parent */ pid_t pid; /* Process owning txn ID */ db_threadid_t tid; /* Thread owning txn ID */ DB_LSN lsn; /* LSN when transaction began */ DB_LSN read_lsn; /* Read LSN for MVCC */ u_int32_t mvcc_ref; /* MVCC reference count */ u_int32_t priority; /* Deadlock resolution priority */ #define TXN_ABORTED 1 #define TXN_COMMITTED 2 #define TXN_NEED_ABORT 3 #define TXN_PREPARED 4 #define TXN_RUNNING 5 u_int32_t status; /* Status of the transaction */ #define TXN_XA_ACTIVE 1 #define TXN_XA_DEADLOCKED 2 #define TXN_XA_IDLE 3 #define TXN_XA_PREPARED 4 #define TXN_XA_ROLLEDBACK 5 u_int32_t xa_status; /* XA status */ u_int8_t gid[DB_GID_SIZE]; /* Global transaction ID */ char name[51]; /* 50 bytes of name, nul termination */ }; struct __db_txn_stat { u_int32_t st_nrestores; /* number of restored transactions after recovery. */ #ifndef __TEST_DB_NO_STATISTICS DB_LSN st_last_ckp; /* lsn of the last checkpoint */ time_t st_time_ckp; /* time of last checkpoint */ u_int32_t st_last_txnid; /* last transaction id given out */ u_int32_t st_inittxns; /* inital txns allocated */ u_int32_t st_maxtxns; /* maximum txns possible */ uintmax_t st_naborts; /* number of aborted transactions */ uintmax_t st_nbegins; /* number of begun transactions */ uintmax_t st_ncommits; /* number of committed transactions */ u_int32_t st_nactive; /* number of active transactions */ u_int32_t st_nsnapshot; /* number of snapshot transactions */ u_int32_t st_maxnactive; /* maximum active transactions */ u_int32_t st_maxnsnapshot; /* maximum snapshot transactions */ uintmax_t st_region_wait; /* Region lock granted after wait. */ uintmax_t st_region_nowait; /* Region lock granted without wait. */ roff_t st_regsize; /* Region size. */ DB_TXN_ACTIVE *st_txnarray; /* array of active transactions */ #endif }; #define DB_TXN_TOKEN_SIZE 20 struct __db_txn_token { u_int8_t buf[DB_TXN_TOKEN_SIZE]; }; /******************************************************* * Replication. *******************************************************/ /* Special, out-of-band environment IDs. */ #define DB_EID_BROADCAST -1 #define DB_EID_INVALID -2 #define DB_EID_MASTER -3 #define DB_REP_DEFAULT_PRIORITY 100 /* Acknowledgement policies; 0 reserved as OOB. */ #define DB_REPMGR_ACKS_ALL 1 #define DB_REPMGR_ACKS_ALL_AVAILABLE 2 #define DB_REPMGR_ACKS_ALL_PEERS 3 #define DB_REPMGR_ACKS_NONE 4 #define DB_REPMGR_ACKS_ONE 5 #define DB_REPMGR_ACKS_ONE_PEER 6 #define DB_REPMGR_ACKS_QUORUM 7 /* Replication timeout configuration values. */ #define DB_REP_ACK_TIMEOUT 1 /* RepMgr acknowledgements. */ #define DB_REP_CHECKPOINT_DELAY 2 /* Master checkpoint delay. */ #define DB_REP_CONNECTION_RETRY 3 /* RepMgr connections. */ #define DB_REP_ELECTION_RETRY 4 /* RepMgr elect retries. */ #define DB_REP_ELECTION_TIMEOUT 5 /* Rep normal elections. */ #define DB_REP_FULL_ELECTION_TIMEOUT 6 /* Rep full elections. */ #define DB_REP_HEARTBEAT_MONITOR 7 /* RepMgr client HB monitor. */ #define DB_REP_HEARTBEAT_SEND 8 /* RepMgr master send freq. */ #define DB_REP_LEASE_TIMEOUT 9 /* Master leases. */ /* * Event notification types. (Tcl testing interface currently assumes there are * no more than 32 of these.) */ #define DB_EVENT_PANIC 0 #define DB_EVENT_REG_ALIVE 1 #define DB_EVENT_REG_PANIC 2 #define DB_EVENT_REP_CLIENT 3 #define DB_EVENT_REP_CONNECT_BROKEN 4 #define DB_EVENT_REP_CONNECT_ESTD 5 #define DB_EVENT_REP_CONNECT_TRY_FAILED 6 #define DB_EVENT_REP_DUPMASTER 7 #define DB_EVENT_REP_ELECTED 8 #define DB_EVENT_REP_ELECTION_FAILED 9 #define DB_EVENT_REP_INIT_DONE 10 #define DB_EVENT_REP_JOIN_FAILURE 11 #define DB_EVENT_REP_LOCAL_SITE_REMOVED 12 #define DB_EVENT_REP_MASTER 13 #define DB_EVENT_REP_MASTER_FAILURE 14 #define DB_EVENT_REP_NEWMASTER 15 #define DB_EVENT_REP_PERM_FAILED 16 #define DB_EVENT_REP_SITE_ADDED 17 #define DB_EVENT_REP_SITE_REMOVED 18 #define DB_EVENT_REP_STARTUPDONE 19 #define DB_EVENT_REP_WOULD_ROLLBACK 20 /* Undocumented; C API only. */ #define DB_EVENT_WRITE_FAILED 21 #define DB_EVENT_NO_SUCH_EVENT 0xffffffff /* OOB sentinel value */ /* Replication Manager site status. */ struct __db_repmgr_site { int eid; char *host; u_int port; #define DB_REPMGR_CONNECTED 1 #define DB_REPMGR_DISCONNECTED 2 u_int32_t status; #define DB_REPMGR_ISPEER 0x01 u_int32_t flags; }; /* Replication statistics. */ struct __db_rep_stat { /* SHARED */ /* !!! * Many replication statistics fields cannot be protected by a mutex * without an unacceptable performance penalty, since most message * processing is done without the need to hold a region-wide lock. * Fields whose comments end with a '+' may be updated without holding * the replication or log mutexes (as appropriate), and thus may be * off somewhat (or, on unreasonable architectures under unlucky * circumstances, garbaged). */ u_int32_t st_startup_complete; /* Site completed client sync-up. */ #ifndef __TEST_DB_NO_STATISTICS uintmax_t st_log_queued; /* Log records currently queued.+ */ u_int32_t st_status; /* Current replication status. */ DB_LSN st_next_lsn; /* Next LSN to use or expect. */ DB_LSN st_waiting_lsn; /* LSN we're awaiting, if any. */ DB_LSN st_max_perm_lsn; /* Maximum permanent LSN. */ db_pgno_t st_next_pg; /* Next pg we expect. */ db_pgno_t st_waiting_pg; /* pg we're awaiting, if any. */ u_int32_t st_dupmasters; /* # of times a duplicate master condition was detected.+ */ db_ssize_t st_env_id; /* Current environment ID. */ u_int32_t st_env_priority; /* Current environment priority. */ uintmax_t st_bulk_fills; /* Bulk buffer fills. */ uintmax_t st_bulk_overflows; /* Bulk buffer overflows. */ uintmax_t st_bulk_records; /* Bulk records stored. */ uintmax_t st_bulk_transfers; /* Transfers of bulk buffers. */ uintmax_t st_client_rerequests;/* Number of forced rerequests. */ uintmax_t st_client_svc_req; /* Number of client service requests received by this client. */ uintmax_t st_client_svc_miss; /* Number of client service requests missing on this client. */ u_int32_t st_gen; /* Current generation number. */ u_int32_t st_egen; /* Current election gen number. */ uintmax_t st_lease_chk; /* Lease validity checks. */ uintmax_t st_lease_chk_misses; /* Lease checks invalid. */ uintmax_t st_lease_chk_refresh; /* Lease refresh attempts. */ uintmax_t st_lease_sends; /* Lease messages sent live. */ uintmax_t st_log_duplicated; /* Log records received multiply.+ */ uintmax_t st_log_queued_max; /* Max. log records queued at once.+ */ uintmax_t st_log_queued_total; /* Total # of log recs. ever queued.+ */ uintmax_t st_log_records; /* Log records received and put.+ */ uintmax_t st_log_requested; /* Log recs. missed and requested.+ */ db_ssize_t st_master; /* Env. ID of the current master. */ uintmax_t st_master_changes; /* # of times we've switched masters. */ uintmax_t st_msgs_badgen; /* Messages with a bad generation #.+ */ uintmax_t st_msgs_processed; /* Messages received and processed.+ */ uintmax_t st_msgs_recover; /* Messages ignored because this site was a client in recovery.+ */ uintmax_t st_msgs_send_failures;/* # of failed message sends.+ */ uintmax_t st_msgs_sent; /* # of successful message sends.+ */ uintmax_t st_newsites; /* # of NEWSITE msgs. received.+ */ u_int32_t st_nsites; /* Current number of sites we will assume during elections. */ uintmax_t st_nthrottles; /* # of times we were throttled. */ uintmax_t st_outdated; /* # of times we detected and returned an OUTDATED condition.+ */ uintmax_t st_pg_duplicated; /* Pages received multiply.+ */ uintmax_t st_pg_records; /* Pages received and stored.+ */ uintmax_t st_pg_requested; /* Pages missed and requested.+ */ uintmax_t st_txns_applied; /* # of transactions applied.+ */ uintmax_t st_startsync_delayed;/* # of STARTSYNC msgs delayed.+ */ /* Elections generally. */ uintmax_t st_elections; /* # of elections held.+ */ uintmax_t st_elections_won; /* # of elections won by this site.+ */ /* Statistics about an in-progress election. */ db_ssize_t st_election_cur_winner; /* Current front-runner. */ u_int32_t st_election_gen; /* Election generation number. */ u_int32_t st_election_datagen; /* Election data generation number. */ DB_LSN st_election_lsn; /* Max. LSN of current winner. */ u_int32_t st_election_nsites; /* # of "registered voters". */ u_int32_t st_election_nvotes; /* # of "registered voters" needed. */ u_int32_t st_election_priority; /* Current election priority. */ int32_t st_election_status; /* Current election status. */ u_int32_t st_election_tiebreaker;/* Election tiebreaker value. */ u_int32_t st_election_votes; /* Votes received in this round. */ u_int32_t st_election_sec; /* Last election time seconds. */ u_int32_t st_election_usec; /* Last election time useconds. */ u_int32_t st_max_lease_sec; /* Maximum lease timestamp seconds. */ u_int32_t st_max_lease_usec; /* Maximum lease timestamp useconds. */ /* Undocumented statistics only used by the test system. */ #ifdef CONFIG_TEST u_int32_t st_filefail_cleanups; /* # of FILE_FAIL cleanups done. */ #endif #endif }; /* Replication Manager statistics. */ struct __db_repmgr_stat { /* SHARED */ uintmax_t st_perm_failed; /* # of insufficiently ack'ed msgs. */ uintmax_t st_msgs_queued; /* # msgs queued for network delay. */ uintmax_t st_msgs_dropped; /* # msgs discarded due to excessive queue length. */ uintmax_t st_connection_drop; /* Existing connections dropped. */ uintmax_t st_connect_fail; /* Failed new connection attempts. */ uintmax_t st_elect_threads; /* # of active election threads. */ uintmax_t st_max_elect_threads; /* Max concurrent e-threads ever. */ }; /* Replication Manager connection error. */ struct __db_repmgr_conn_err { int eid; /* Replication Environment ID. */ int error; /* System networking error code. */ }; /******************************************************* * Sequences. *******************************************************/ /* * The storage record for a sequence. */ struct __db_seq_record { u_int32_t seq_version; /* Version size/number. */ u_int32_t flags; /* DB_SEQ_XXX Flags. */ db_seq_t seq_value; /* Current value. */ db_seq_t seq_max; /* Max permitted. */ db_seq_t seq_min; /* Min permitted. */ }; /* * Handle for a sequence object. */ struct __db_sequence { DB *seq_dbp; /* DB handle for this sequence. */ db_mutex_t mtx_seq; /* Mutex if sequence is threaded. */ DB_SEQ_RECORD *seq_rp; /* Pointer to current data. */ DB_SEQ_RECORD seq_record; /* Data from DB_SEQUENCE. */ int32_t seq_cache_size; /* Number of values cached. */ db_seq_t seq_last_value; /* Last value cached. */ db_seq_t seq_prev_value; /* Last value returned. */ DBT seq_key; /* DBT pointing to sequence key. */ DBT seq_data; /* DBT pointing to seq_record. */ /* API-private structure: used by C++ and Java. */ void *api_internal; /* DB_SEQUENCE PUBLIC HANDLE LIST BEGIN */ int (*close) __P((DB_SEQUENCE *, u_int32_t)); int (*get) __P((DB_SEQUENCE *, DB_TXN *, int32_t, db_seq_t *, u_int32_t)); int (*get_cachesize) __P((DB_SEQUENCE *, int32_t *)); int (*get_db) __P((DB_SEQUENCE *, DB **)); int (*get_flags) __P((DB_SEQUENCE *, u_int32_t *)); int (*get_key) __P((DB_SEQUENCE *, DBT *)); int (*get_range) __P((DB_SEQUENCE *, db_seq_t *, db_seq_t *)); int (*initial_value) __P((DB_SEQUENCE *, db_seq_t)); int (*open) __P((DB_SEQUENCE *, DB_TXN *, DBT *, u_int32_t)); int (*remove) __P((DB_SEQUENCE *, DB_TXN *, u_int32_t)); int (*set_cachesize) __P((DB_SEQUENCE *, int32_t)); int (*set_flags) __P((DB_SEQUENCE *, u_int32_t)); int (*set_range) __P((DB_SEQUENCE *, db_seq_t, db_seq_t)); int (*stat) __P((DB_SEQUENCE *, DB_SEQUENCE_STAT **, u_int32_t)); int (*stat_print) __P((DB_SEQUENCE *, u_int32_t)); /* DB_SEQUENCE PUBLIC HANDLE LIST END */ }; struct __db_seq_stat { /* SHARED */ uintmax_t st_wait; /* Sequence lock granted w/o wait. */ uintmax_t st_nowait; /* Sequence lock granted after wait. */ db_seq_t st_current; /* Current value in db. */ db_seq_t st_value; /* Current cached value. */ db_seq_t st_last_value; /* Last cached value. */ db_seq_t st_min; /* Minimum value. */ db_seq_t st_max; /* Maximum value. */ int32_t st_cache_size; /* Cache size. */ u_int32_t st_flags; /* Flag value. */ }; /******************************************************* * Access methods. *******************************************************/ /* * Any new methods need to retain the original numbering. The type * is written in a log record so must be maintained. */ typedef enum { DB_BTREE=1, DB_HASH=2, DB_HEAP=6, DB_RECNO=3, DB_QUEUE=4, DB_UNKNOWN=5 /* Figure it out on open. */ } DBTYPE; #define DB_RENAMEMAGIC 0x030800 /* File has been renamed. */ #define DB_BTREEVERSION 9 /* Current btree version. */ #define DB_BTREEOLDVER 8 /* Oldest btree version supported. */ #define DB_BTREEMAGIC 0x053162 #define DB_HASHVERSION 9 /* Current hash version. */ #define DB_HASHOLDVER 7 /* Oldest hash version supported. */ #define DB_HASHMAGIC 0x061561 #define DB_HEAPVERSION 1 /* Current heap version. */ #define DB_HEAPOLDVER 1 /* Oldest heap version supported. */ #define DB_HEAPMAGIC 0x074582 #define DB_QAMVERSION 4 /* Current queue version. */ #define DB_QAMOLDVER 3 /* Oldest queue version supported. */ #define DB_QAMMAGIC 0x042253 #define DB_SEQUENCE_VERSION 2 /* Current sequence version. */ #define DB_SEQUENCE_OLDVER 1 /* Oldest sequence version supported. */ /* * DB access method and cursor operation values. Each value is an operation * code to which additional bit flags are added. */ #define DB_AFTER 1 /* Dbc.put */ #define DB_APPEND 2 /* Db.put */ #define DB_BEFORE 3 /* Dbc.put */ #define DB_CONSUME 4 /* Db.get */ #define DB_CONSUME_WAIT 5 /* Db.get */ #define DB_CURRENT 6 /* Dbc.get, Dbc.put, DbLogc.get */ #define DB_FIRST 7 /* Dbc.get, DbLogc->get */ #define DB_GET_BOTH 8 /* Db.get, Dbc.get */ #define DB_GET_BOTHC 9 /* Dbc.get (internal) */ #define DB_GET_BOTH_RANGE 10 /* Db.get, Dbc.get */ #define DB_GET_RECNO 11 /* Dbc.get */ #define DB_JOIN_ITEM 12 /* Dbc.get; don't do primary lookup */ #define DB_KEYFIRST 13 /* Dbc.put */ #define DB_KEYLAST 14 /* Dbc.put */ #define DB_LAST 15 /* Dbc.get, DbLogc->get */ #define DB_NEXT 16 /* Dbc.get, DbLogc->get */ #define DB_NEXT_DUP 17 /* Dbc.get */ #define DB_NEXT_NODUP 18 /* Dbc.get */ #define DB_NODUPDATA 19 /* Db.put, Dbc.put */ #define DB_NOOVERWRITE 20 /* Db.put */ #define DB_OVERWRITE_DUP 21 /* Dbc.put, Db.put; no DB_KEYEXIST */ #define DB_POSITION 22 /* Dbc.dup */ #define DB_PREV 23 /* Dbc.get, DbLogc->get */ #define DB_PREV_DUP 24 /* Dbc.get */ #define DB_PREV_NODUP 25 /* Dbc.get */ #define DB_SET 26 /* Dbc.get, DbLogc->get */ #define DB_SET_RANGE 27 /* Dbc.get */ #define DB_SET_RECNO 28 /* Db.get, Dbc.get */ #define DB_UPDATE_SECONDARY 29 /* Dbc.get, Dbc.del (internal) */ #define DB_SET_LTE 30 /* Dbc.get (internal) */ #define DB_GET_BOTH_LTE 31 /* Dbc.get (internal) */ /* This has to change when the max opcode hits 255. */ #define DB_OPFLAGS_MASK 0x000000ff /* Mask for operations flags. */ /* * DB (user visible) error return codes. * * !!! * We don't want our error returns to conflict with other packages where * possible, so pick a base error value that's hopefully not common. We * document that we own the error name space from -30,800 to -30,999. */ /* DB (public) error return codes. */ #define DB_BUFFER_SMALL (-30999)/* User memory too small for return. */ #define DB_DONOTINDEX (-30998)/* "Null" return from 2ndary callbk. */ #define DB_FOREIGN_CONFLICT (-30997)/* A foreign db constraint triggered. */ #define DB_HEAP_FULL (-30996)/* No free space in a heap file. */ #define DB_KEYEMPTY (-30995)/* Key/data deleted or never created. */ #define DB_KEYEXIST (-30994)/* The key/data pair already exists. */ #define DB_LOCK_DEADLOCK (-30993)/* Deadlock. */ #define DB_LOCK_NOTGRANTED (-30992)/* Lock unavailable. */ #define DB_LOG_BUFFER_FULL (-30991)/* In-memory log buffer full. */ #define DB_LOG_VERIFY_BAD (-30990)/* Log verification failed. */ #define DB_NOSERVER (-30989)/* Server panic return. */ #define DB_NOTFOUND (-30988)/* Key/data pair not found (EOF). */ #define DB_OLD_VERSION (-30987)/* Out-of-date version. */ #define DB_PAGE_NOTFOUND (-30986)/* Requested page not found. */ #define DB_REP_DUPMASTER (-30985)/* There are two masters. */ #define DB_REP_HANDLE_DEAD (-30984)/* Rolled back a commit. */ #define DB_REP_HOLDELECTION (-30983)/* Time to hold an election. */ #define DB_REP_IGNORE (-30982)/* This msg should be ignored.*/ #define DB_REP_ISPERM (-30981)/* Cached not written perm written.*/ #define DB_REP_JOIN_FAILURE (-30980)/* Unable to join replication group. */ #define DB_REP_LEASE_EXPIRED (-30979)/* Master lease has expired. */ #define DB_REP_LOCKOUT (-30978)/* API/Replication lockout now. */ #define DB_REP_NEWSITE (-30977)/* New site entered system. */ #define DB_REP_NOTPERM (-30976)/* Permanent log record not written. */ #define DB_REP_UNAVAIL (-30975)/* Site cannot currently be reached. */ #define DB_REP_WOULDROLLBACK (-30974)/* UNDOC: rollback inhibited by app. */ #define DB_RUNRECOVERY (-30973)/* Panic return. */ #define DB_SECONDARY_BAD (-30972)/* Secondary index corrupt. */ #define DB_TIMEOUT (-30971)/* Timed out on read consistency. */ #define DB_VERIFY_BAD (-30970)/* Verify failed; bad format. */ #define DB_VERSION_MISMATCH (-30969)/* Environment version mismatch. */ /* DB (private) error return codes. */ #define DB_ALREADY_ABORTED (-30899) #define DB_CHKSUM_FAIL (-30898)/* Checksum failed. */ #define DB_DELETED (-30897)/* Recovery file marked deleted. */ #define DB_EVENT_NOT_HANDLED (-30896)/* Forward event to application. */ #define DB_NEEDSPLIT (-30895)/* Page needs to be split. */ #define DB_REP_BULKOVF (-30894)/* Rep bulk buffer overflow. */ #define DB_REP_LOGREADY (-30893)/* Rep log ready for recovery. */ #define DB_REP_NEWMASTER (-30892)/* We have learned of a new master. */ #define DB_REP_PAGEDONE (-30891)/* This page was already done. */ #define DB_SURPRISE_KID (-30890)/* Child commit where parent didn't know it was a parent. */ #define DB_SWAPBYTES (-30889)/* Database needs byte swapping. */ #define DB_TXN_CKP (-30888)/* Encountered ckp record in log. */ #define DB_VERIFY_FATAL (-30887)/* DB->verify cannot proceed. */ /* Database handle. */ struct __db { /******************************************************* * Public: owned by the application. *******************************************************/ u_int32_t pgsize; /* Database logical page size. */ DB_CACHE_PRIORITY priority; /* Database priority in cache. */ /* Callbacks. */ int (*db_append_recno) __P((DB *, DBT *, db_recno_t)); void (*db_feedback) __P((DB *, int, int)); int (*dup_compare) __P((DB *, const DBT *, const DBT *)); void *app_private; /* Application-private handle. */ /******************************************************* * Private: owned by DB. *******************************************************/ DB_ENV *dbenv; /* Backing public environment. */ ENV *env; /* Backing private environment. */ DBTYPE type; /* DB access method type. */ DB_MPOOLFILE *mpf; /* Backing buffer pool. */ db_mutex_t mutex; /* Synchronization for free threading */ char *fname, *dname; /* File/database passed to DB->open. */ const char *dirname; /* Directory of DB file. */ u_int32_t open_flags; /* Flags passed to DB->open. */ u_int8_t fileid[DB_FILE_ID_LEN];/* File's unique ID for locking. */ u_int32_t adj_fileid; /* File's unique ID for curs. adj. */ #define DB_LOGFILEID_INVALID -1 FNAME *log_filename; /* File's naming info for logging. */ db_pgno_t meta_pgno; /* Meta page number */ DB_LOCKER *locker; /* Locker for handle locking. */ DB_LOCKER *cur_locker; /* Current handle lock holder. */ DB_TXN *cur_txn; /* Opening transaction. */ DB_LOCKER *associate_locker; /* Locker for DB->associate call. */ DB_LOCK handle_lock; /* Lock held on this handle. */ time_t timestamp; /* Handle timestamp for replication. */ u_int32_t fid_gen; /* Rep generation number for fids. */ /* * Returned data memory for DB->get() and friends. */ DBT my_rskey; /* Secondary key. */ DBT my_rkey; /* [Primary] key. */ DBT my_rdata; /* Data. */ /* * !!! * Some applications use DB but implement their own locking outside of * DB. If they're using fcntl(2) locking on the underlying database * file, and we open and close a file descriptor for that file, we will * discard their locks. The DB_FCNTL_LOCKING flag to DB->open is an * undocumented interface to support this usage which leaves any file * descriptors we open until DB->close. This will only work with the * DB->open interface and simple caches, e.g., creating a transaction * thread may open/close file descriptors this flag doesn't protect. * Locking with fcntl(2) on a file that you don't own is a very, very * unsafe thing to do. 'Nuff said. */ DB_FH *saved_open_fhp; /* Saved file handle. */ /* * Linked list of DBP's, linked from the ENV, used to keep track * of all open db handles for cursor adjustment. * * !!! * Explicit representations of structures from queue.h. * TAILQ_ENTRY(__db) dblistlinks; */ struct { struct __db *tqe_next; struct __db **tqe_prev; } dblistlinks; /* * Cursor queues. * * !!! * Explicit representations of structures from queue.h. * TAILQ_HEAD(__cq_fq, __dbc) free_queue; * TAILQ_HEAD(__cq_aq, __dbc) active_queue; * TAILQ_HEAD(__cq_jq, __dbc) join_queue; */ struct __cq_fq { struct __dbc *tqh_first; struct __dbc **tqh_last; } free_queue; struct __cq_aq { struct __dbc *tqh_first; struct __dbc **tqh_last; } active_queue; struct __cq_jq { struct __dbc *tqh_first; struct __dbc **tqh_last; } join_queue; /* * Secondary index support. * * Linked list of secondary indices -- set in the primary. * * !!! * Explicit representations of structures from queue.h. * LIST_HEAD(s_secondaries, __db); */ struct { struct __db *lh_first; } s_secondaries; /* * List entries for secondaries, and reference count of how many * threads are updating this secondary (see Dbc.put). * * !!! * Note that these are synchronized by the primary's mutex, but * filled in in the secondaries. * * !!! * Explicit representations of structures from queue.h. * LIST_ENTRY(__db) s_links; */ struct { struct __db *le_next; struct __db **le_prev; } s_links; u_int32_t s_refcnt; /* Secondary callback and free functions -- set in the secondary. */ int (*s_callback) __P((DB *, const DBT *, const DBT *, DBT *)); /* Reference to primary -- set in the secondary. */ DB *s_primary; #define DB_ASSOC_IMMUTABLE_KEY 0x00000001 /* Secondary key is immutable. */ #define DB_ASSOC_CREATE 0x00000002 /* Secondary db populated on open. */ /* Flags passed to associate -- set in the secondary. */ u_int32_t s_assoc_flags; /* * Foreign key support. * * Linked list of primary dbs -- set in the foreign db * * !!! * Explicit representations of structures from queue.h. * LIST_HEAD(f_primaries, __db); */ struct { struct __db_foreign_info *lh_first; } f_primaries; /* * !!! * Explicit representations of structures from queue.h. * TAILQ_ENTRY(__db) felink; * * Links in a list of DBs involved in file extension * during a transaction. These are to be used only while the * metadata is locked. */ struct { struct __db *tqe_next; struct __db **tqe_prev; } felink; /* Reference to foreign -- set in the secondary. */ DB *s_foreign; /* API-private structure: used by DB 1.85, C++, Java, Perl and Tcl */ void *api_internal; /* Subsystem-private structure. */ void *bt_internal; /* Btree/Recno access method. */ void *h_internal; /* Hash access method. */ void *heap_internal; /* Heap access method. */ void *p_internal; /* Partition informaiton. */ void *q_internal; /* Queue access method. */ /* DB PUBLIC HANDLE LIST BEGIN */ int (*associate) __P((DB *, DB_TXN *, DB *, int (*)(DB *, const DBT *, const DBT *, DBT *), u_int32_t)); int (*associate_foreign) __P((DB *, DB *, int (*)(DB *, const DBT *, DBT *, const DBT *, int *), u_int32_t)); int (*close) __P((DB *, u_int32_t)); int (*compact) __P((DB *, DB_TXN *, DBT *, DBT *, DB_COMPACT *, u_int32_t, DBT *)); int (*cursor) __P((DB *, DB_TXN *, DBC **, u_int32_t)); int (*del) __P((DB *, DB_TXN *, DBT *, u_int32_t)); void (*err) __P((DB *, int, const char *, ...)); void (*errx) __P((DB *, const char *, ...)); int (*exists) __P((DB *, DB_TXN *, DBT *, u_int32_t)); int (*fd) __P((DB *, int *)); int (*get) __P((DB *, DB_TXN *, DBT *, DBT *, u_int32_t)); int (*get_alloc) __P((DB *, void *(**)(size_t), void *(**)(void *, size_t), void (**)(void *))); int (*get_append_recno) __P((DB *, int (**)(DB *, DBT *, db_recno_t))); int (*get_assoc_flags) __P((DB *, u_int32_t *)); int (*get_bt_compare) __P((DB *, int (**)(DB *, const DBT *, const DBT *))); int (*get_bt_compress) __P((DB *, int (**)(DB *, const DBT *, const DBT *, const DBT *, const DBT *, DBT *), int (**)(DB *, const DBT *, const DBT *, DBT *, DBT *, DBT *))); int (*get_bt_minkey) __P((DB *, u_int32_t *)); int (*get_bt_prefix) __P((DB *, size_t (**)(DB *, const DBT *, const DBT *))); int (*get_byteswapped) __P((DB *, int *)); int (*get_cachesize) __P((DB *, u_int32_t *, u_int32_t *, int *)); int (*get_create_dir) __P((DB *, const char **)); int (*get_dbname) __P((DB *, const char **, const char **)); int (*get_dup_compare) __P((DB *, int (**)(DB *, const DBT *, const DBT *))); int (*get_encrypt_flags) __P((DB *, u_int32_t *)); DB_ENV *(*get_env) __P((DB *)); void (*get_errcall) __P((DB *, void (**)(const DB_ENV *, const char *, const char *))); void (*get_errfile) __P((DB *, FILE **)); void (*get_errpfx) __P((DB *, const char **)); int (*get_feedback) __P((DB *, void (**)(DB *, int, int))); int (*get_flags) __P((DB *, u_int32_t *)); int (*get_h_compare) __P((DB *, int (**)(DB *, const DBT *, const DBT *))); int (*get_h_ffactor) __P((DB *, u_int32_t *)); int (*get_h_hash) __P((DB *, u_int32_t (**)(DB *, const void *, u_int32_t))); int (*get_h_nelem) __P((DB *, u_int32_t *)); int (*get_heapsize) __P((DB *, u_int32_t *, u_int32_t *)); int (*get_heap_regionsize) __P((DB *, u_int32_t *)); int (*get_lk_exclusive) __P((DB *, int *, int *)); int (*get_lorder) __P((DB *, int *)); DB_MPOOLFILE *(*get_mpf) __P((DB *)); void (*get_msgcall) __P((DB *, void (**)(const DB_ENV *, const char *))); void (*get_msgfile) __P((DB *, FILE **)); int (*get_multiple) __P((DB *)); int (*get_open_flags) __P((DB *, u_int32_t *)); int (*get_pagesize) __P((DB *, u_int32_t *)); int (*get_partition_callback) __P((DB *, u_int32_t *, u_int32_t (**)(DB *, DBT *key))); int (*get_partition_dirs) __P((DB *, const char ***)); int (*get_partition_keys) __P((DB *, u_int32_t *, DBT **)); int (*get_priority) __P((DB *, DB_CACHE_PRIORITY *)); int (*get_q_extentsize) __P((DB *, u_int32_t *)); int (*get_re_delim) __P((DB *, int *)); int (*get_re_len) __P((DB *, u_int32_t *)); int (*get_re_pad) __P((DB *, int *)); int (*get_re_source) __P((DB *, const char **)); int (*get_transactional) __P((DB *)); int (*get_type) __P((DB *, DBTYPE *)); int (*join) __P((DB *, DBC **, DBC **, u_int32_t)); int (*key_range) __P((DB *, DB_TXN *, DBT *, DB_KEY_RANGE *, u_int32_t)); int (*open) __P((DB *, DB_TXN *, const char *, const char *, DBTYPE, u_int32_t, int)); int (*pget) __P((DB *, DB_TXN *, DBT *, DBT *, DBT *, u_int32_t)); int (*put) __P((DB *, DB_TXN *, DBT *, DBT *, u_int32_t)); int (*remove) __P((DB *, const char *, const char *, u_int32_t)); int (*rename) __P((DB *, const char *, const char *, const char *, u_int32_t)); int (*set_alloc) __P((DB *, void *(*)(size_t), void *(*)(void *, size_t), void (*)(void *))); int (*set_append_recno) __P((DB *, int (*)(DB *, DBT *, db_recno_t))); int (*set_bt_compare) __P((DB *, int (*)(DB *, const DBT *, const DBT *))); int (*set_bt_compress) __P((DB *, int (*)(DB *, const DBT *, const DBT *, const DBT *, const DBT *, DBT *), int (*)(DB *, const DBT *, const DBT *, DBT *, DBT *, DBT *))); int (*set_bt_minkey) __P((DB *, u_int32_t)); int (*set_bt_prefix) __P((DB *, size_t (*)(DB *, const DBT *, const DBT *))); int (*set_cachesize) __P((DB *, u_int32_t, u_int32_t, int)); int (*set_create_dir) __P((DB *, const char *)); int (*set_dup_compare) __P((DB *, int (*)(DB *, const DBT *, const DBT *))); int (*set_encrypt) __P((DB *, const char *, u_int32_t)); void (*set_errcall) __P((DB *, void (*)(const DB_ENV *, const char *, const char *))); void (*set_errfile) __P((DB *, FILE *)); void (*set_errpfx) __P((DB *, const char *)); int (*set_feedback) __P((DB *, void (*)(DB *, int, int))); int (*set_flags) __P((DB *, u_int32_t)); int (*set_h_compare) __P((DB *, int (*)(DB *, const DBT *, const DBT *))); int (*set_h_ffactor) __P((DB *, u_int32_t)); int (*set_h_hash) __P((DB *, u_int32_t (*)(DB *, const void *, u_int32_t))); int (*set_h_nelem) __P((DB *, u_int32_t)); int (*set_heapsize) __P((DB *, u_int32_t, u_int32_t, u_int32_t)); int (*set_heap_regionsize) __P((DB *, u_int32_t)); int (*set_lk_exclusive) __P((DB *, int)); int (*set_lorder) __P((DB *, int)); void (*set_msgcall) __P((DB *, void (*)(const DB_ENV *, const char *))); void (*set_msgfile) __P((DB *, FILE *)); int (*set_pagesize) __P((DB *, u_int32_t)); int (*set_paniccall) __P((DB *, void (*)(DB_ENV *, int))); int (*set_partition) __P((DB *, u_int32_t, DBT *, u_int32_t (*)(DB *, DBT *key))); int (*set_partition_dirs) __P((DB *, const char **)); int (*set_priority) __P((DB *, DB_CACHE_PRIORITY)); int (*set_q_extentsize) __P((DB *, u_int32_t)); int (*set_re_delim) __P((DB *, int)); int (*set_re_len) __P((DB *, u_int32_t)); int (*set_re_pad) __P((DB *, int)); int (*set_re_source) __P((DB *, const char *)); int (*sort_multiple) __P((DB *, DBT *, DBT *, u_int32_t)); int (*stat) __P((DB *, DB_TXN *, void *, u_int32_t)); int (*stat_print) __P((DB *, u_int32_t)); int (*sync) __P((DB *, u_int32_t)); int (*truncate) __P((DB *, DB_TXN *, u_int32_t *, u_int32_t)); int (*upgrade) __P((DB *, const char *, u_int32_t)); int (*verify) __P((DB *, const char *, const char *, FILE *, u_int32_t)); /* DB PUBLIC HANDLE LIST END */ /* DB PRIVATE HANDLE LIST BEGIN */ int (*dump) __P((DB *, const char *, int (*)(void *, const void *), void *, int, int)); int (*db_am_remove) __P((DB *, DB_THREAD_INFO *, DB_TXN *, const char *, const char *, u_int32_t)); int (*db_am_rename) __P((DB *, DB_THREAD_INFO *, DB_TXN *, const char *, const char *, const char *)); /* DB PRIVATE HANDLE LIST END */ /* * Never called; these are a place to save function pointers * so that we can undo an associate. */ int (*stored_get) __P((DB *, DB_TXN *, DBT *, DBT *, u_int32_t)); int (*stored_close) __P((DB *, u_int32_t)); /* Alternative handle close function, used by C++ API. */ int (*alt_close) __P((DB *, u_int32_t)); #define DB_OK_BTREE 0x01 #define DB_OK_HASH 0x02 #define DB_OK_HEAP 0x04 #define DB_OK_QUEUE 0x08 #define DB_OK_RECNO 0x10 u_int32_t am_ok; /* Legal AM choices. */ /* * This field really ought to be an AM_FLAG, but we have * have run out of bits. If/when we decide to split up * the flags, we can incorporate it. */ int preserve_fid; /* Do not free fileid on close. */ #define DB_AM_CHKSUM 0x00000001 /* Checksumming */ #define DB_AM_COMPENSATE 0x00000002 /* Created by compensating txn */ #define DB_AM_COMPRESS 0x00000004 /* Compressed BTree */ #define DB_AM_CREATED 0x00000008 /* Database was created upon open */ #define DB_AM_CREATED_MSTR 0x00000010 /* Encompassing file was created */ #define DB_AM_DBM_ERROR 0x00000020 /* Error in DBM/NDBM database */ #define DB_AM_DELIMITER 0x00000040 /* Variable length delimiter set */ #define DB_AM_DISCARD 0x00000080 /* Discard any cached pages */ #define DB_AM_DUP 0x00000100 /* DB_DUP */ #define DB_AM_DUPSORT 0x00000200 /* DB_DUPSORT */ #define DB_AM_ENCRYPT 0x00000400 /* Encryption */ #define DB_AM_FIXEDLEN 0x00000800 /* Fixed-length records */ #define DB_AM_INMEM 0x00001000 /* In-memory; no sync on close */ #define DB_AM_INORDER 0x00002000 /* DB_INORDER */ #define DB_AM_IN_RENAME 0x00004000 /* File is being renamed */ #define DB_AM_NOT_DURABLE 0x00008000 /* Do not log changes */ #define DB_AM_OPEN_CALLED 0x00010000 /* DB->open called */ #define DB_AM_PAD 0x00020000 /* Fixed-length record pad */ #define DB_AM_PARTDB 0x00040000 /* Handle for a database partition */ #define DB_AM_PGDEF 0x00080000 /* Page size was defaulted */ #define DB_AM_RDONLY 0x00100000 /* Database is readonly */ #define DB_AM_READ_UNCOMMITTED 0x00200000 /* Support degree 1 isolation */ #define DB_AM_RECNUM 0x00400000 /* DB_RECNUM */ #define DB_AM_RECOVER 0x00800000 /* DB opened by recovery routine */ #define DB_AM_RENUMBER 0x01000000 /* DB_RENUMBER */ #define DB_AM_REVSPLITOFF 0x02000000 /* DB_REVSPLITOFF */ #define DB_AM_SECONDARY 0x04000000 /* Database is a secondary index */ #define DB_AM_SNAPSHOT 0x08000000 /* DB_SNAPSHOT */ #define DB_AM_SUBDB 0x10000000 /* Subdatabases supported */ #define DB_AM_SWAP 0x20000000 /* Pages need to be byte-swapped */ #define DB_AM_TXN 0x40000000 /* Opened in a transaction */ #define DB_AM_VERIFYING 0x80000000 /* DB handle is in the verifier */ u_int32_t orig_flags; /* Flags at open, for refresh */ u_int32_t flags; #define DB2_AM_EXCL 0x00000001 /* Exclusively lock the handle */ #define DB2_AM_INTEXCL 0x00000002 /* Internal exclusive lock. */ #define DB2_AM_NOWAIT 0x00000004 /* Do not wait for handle lock */ u_int32_t orig_flags2; /* Second flags word; for refresh */ u_int32_t flags2; /* Second flags word */ }; /* * Macros for bulk operations. These are only intended for the C API. * For C++, use DbMultiple*Iterator or DbMultiple*Builder. * * Bulk operations store multiple entries into a single DBT structure. The * following macros assist with creating and reading these Multiple DBTs. * * The basic layout for single data items is: * * ------------------------------------------------------------------------- * | data1 | ... | dataN | ..... |-1 | dNLen | dNOff | ... | d1Len | d1Off | * ------------------------------------------------------------------------- * * For the DB_MULTIPLE_KEY* macros, the items are in key/data pairs, so data1 * would be a key, and data2 its corresponding value (N is always even). * * For the DB_MULTIPLE_RECNO* macros, the record number is stored along with * the len/off pair in the "header" section, and the list is zero terminated * (since -1 is a valid record number): * * -------------------------------------------------------------------------- * | d1 |..| dN |..| 0 | dNLen | dNOff | recnoN |..| d1Len | d1Off | recno1 | * -------------------------------------------------------------------------- */ #define DB_MULTIPLE_INIT(pointer, dbt) \ (pointer = (u_int8_t *)(dbt)->data + \ (dbt)->ulen - sizeof(u_int32_t)) #define DB_MULTIPLE_NEXT(pointer, dbt, retdata, retdlen) \ do { \ u_int32_t *__p = (u_int32_t *)(pointer); \ if (*__p == (u_int32_t)-1) { \ retdata = NULL; \ pointer = NULL; \ break; \ } \ retdata = (u_int8_t *)(dbt)->data + *__p--; \ retdlen = *__p--; \ pointer = __p; \ if (retdlen == 0 && retdata == (u_int8_t *)(dbt)->data) \ retdata = NULL; \ } while (0) #define DB_MULTIPLE_KEY_NEXT(pointer, dbt, retkey, retklen, retdata, retdlen) \ do { \ u_int32_t *__p = (u_int32_t *)(pointer); \ if (*__p == (u_int32_t)-1) { \ retdata = NULL; \ retkey = NULL; \ pointer = NULL; \ break; \ } \ retkey = (u_int8_t *)(dbt)->data + *__p--; \ retklen = *__p--; \ retdata = (u_int8_t *)(dbt)->data + *__p--; \ retdlen = *__p--; \ pointer = __p; \ } while (0) #define DB_MULTIPLE_RECNO_NEXT(pointer, dbt, recno, retdata, retdlen) \ do { \ u_int32_t *__p = (u_int32_t *)(pointer); \ if (*__p == (u_int32_t)0) { \ recno = 0; \ retdata = NULL; \ pointer = NULL; \ break; \ } \ recno = *__p--; \ retdata = (u_int8_t *)(dbt)->data + *__p--; \ retdlen = *__p--; \ pointer = __p; \ } while (0) #define DB_MULTIPLE_WRITE_INIT(pointer, dbt) \ do { \ (dbt)->flags |= DB_DBT_BULK; \ pointer = (u_int8_t *)(dbt)->data + \ (dbt)->ulen - sizeof(u_int32_t); \ *(u_int32_t *)(pointer) = (u_int32_t)-1; \ } while (0) #define DB_MULTIPLE_RESERVE_NEXT(pointer, dbt, writedata, writedlen) \ do { \ u_int32_t *__p = (u_int32_t *)(pointer); \ u_int32_t __off = ((pointer) == (u_int8_t *)(dbt)->data +\ (dbt)->ulen - sizeof(u_int32_t)) ? 0 : __p[1] + __p[2];\ if ((u_int8_t *)(dbt)->data + __off + (writedlen) > \ (u_int8_t *)(__p - 2)) \ writedata = NULL; \ else { \ writedata = (u_int8_t *)(dbt)->data + __off; \ __p[0] = __off; \ __p[-1] = (u_int32_t)(writedlen); \ __p[-2] = (u_int32_t)-1; \ pointer = __p - 2; \ } \ } while (0) #define DB_MULTIPLE_WRITE_NEXT(pointer, dbt, writedata, writedlen) \ do { \ void *__destd; \ DB_MULTIPLE_RESERVE_NEXT((pointer), (dbt), \ __destd, (writedlen)); \ if (__destd == NULL) \ pointer = NULL; \ else \ memcpy(__destd, (writedata), (writedlen)); \ } while (0) #define DB_MULTIPLE_KEY_RESERVE_NEXT(pointer, dbt, writekey, writeklen, writedata, writedlen) \ do { \ u_int32_t *__p = (u_int32_t *)(pointer); \ u_int32_t __off = ((pointer) == (u_int8_t *)(dbt)->data +\ (dbt)->ulen - sizeof(u_int32_t)) ? 0 : __p[1] + __p[2];\ if ((u_int8_t *)(dbt)->data + __off + (writeklen) + \ (writedlen) > (u_int8_t *)(__p - 4)) { \ writekey = NULL; \ writedata = NULL; \ } else { \ writekey = (u_int8_t *)(dbt)->data + __off; \ __p[0] = __off; \ __p[-1] = (u_int32_t)(writeklen); \ __p -= 2; \ __off += (u_int32_t)(writeklen); \ writedata = (u_int8_t *)(dbt)->data + __off; \ __p[0] = __off; \ __p[-1] = (u_int32_t)(writedlen); \ __p[-2] = (u_int32_t)-1; \ pointer = __p - 2; \ } \ } while (0) #define DB_MULTIPLE_KEY_WRITE_NEXT(pointer, dbt, writekey, writeklen, writedata, writedlen) \ do { \ void *__destk, *__destd; \ DB_MULTIPLE_KEY_RESERVE_NEXT((pointer), (dbt), \ __destk, (writeklen), __destd, (writedlen)); \ if (__destk == NULL) \ pointer = NULL; \ else { \ memcpy(__destk, (writekey), (writeklen)); \ if (__destd != NULL) \ memcpy(__destd, (writedata), (writedlen));\ } \ } while (0) #define DB_MULTIPLE_RECNO_WRITE_INIT(pointer, dbt) \ do { \ (dbt)->flags |= DB_DBT_BULK; \ pointer = (u_int8_t *)(dbt)->data + \ (dbt)->ulen - sizeof(u_int32_t); \ *(u_int32_t *)(pointer) = 0; \ } while (0) #define DB_MULTIPLE_RECNO_RESERVE_NEXT(pointer, dbt, recno, writedata, writedlen) \ do { \ u_int32_t *__p = (u_int32_t *)(pointer); \ u_int32_t __off = ((pointer) == (u_int8_t *)(dbt)->data +\ (dbt)->ulen - sizeof(u_int32_t)) ? 0 : __p[1] + __p[2]; \ if (((u_int8_t *)(dbt)->data + __off) + (writedlen) > \ (u_int8_t *)(__p - 3)) \ writedata = NULL; \ else { \ writedata = (u_int8_t *)(dbt)->data + __off; \ __p[0] = (u_int32_t)(recno); \ __p[-1] = __off; \ __p[-2] = (u_int32_t)(writedlen); \ __p[-3] = 0; \ pointer = __p - 3; \ } \ } while (0) #define DB_MULTIPLE_RECNO_WRITE_NEXT(pointer, dbt, recno, writedata, writedlen)\ do { \ void *__destd; \ DB_MULTIPLE_RECNO_RESERVE_NEXT((pointer), (dbt), \ (recno), __destd, (writedlen)); \ if (__destd == NULL) \ pointer = NULL; \ else if ((writedlen) != 0) \ memcpy(__destd, (writedata), (writedlen)); \ } while (0) struct __db_heap_rid { db_pgno_t pgno; /* Page number. */ db_indx_t indx; /* Index in the offset table. */ }; #define DB_HEAP_RID_SZ (sizeof(db_pgno_t) + sizeof(db_indx_t)) /******************************************************* * Access method cursors. *******************************************************/ struct __dbc { DB *dbp; /* Backing database */ DB_ENV *dbenv; /* Backing environment */ ENV *env; /* Backing environment */ DB_THREAD_INFO *thread_info; /* Thread that owns this cursor. */ DB_TXN *txn; /* Associated transaction. */ DB_CACHE_PRIORITY priority; /* Priority in cache. */ /* * Active/free cursor queues. * * !!! * Explicit representations of structures from queue.h. * TAILQ_ENTRY(__dbc) links; */ struct { DBC *tqe_next; DBC **tqe_prev; } links; /* * Cursor queue of the owning transaction. * * !!! * Explicit representations of structures from queue.h. * TAILQ_ENTRY(__dbc) txn_cursors; */ struct { DBC *tqe_next; /* next element */ DBC **tqe_prev; /* address of previous next element */ } txn_cursors; /* * The DBT *'s below are used by the cursor routines to return * data to the user when DBT flags indicate that DB should manage * the returned memory. They point at a DBT containing the buffer * and length that will be used, and "belonging" to the handle that * should "own" this memory. This may be a "my_*" field of this * cursor--the default--or it may be the corresponding field of * another cursor, a DB handle, a join cursor, etc. In general, it * will be whatever handle the user originally used for the current * DB interface call. */ DBT *rskey; /* Returned secondary key. */ DBT *rkey; /* Returned [primary] key. */ DBT *rdata; /* Returned data. */ DBT my_rskey; /* Space for returned secondary key. */ DBT my_rkey; /* Space for returned [primary] key. */ DBT my_rdata; /* Space for returned data. */ DB_LOCKER *lref; /* Reference to default locker. */ DB_LOCKER *locker; /* Locker for this operation. */ DBT lock_dbt; /* DBT referencing lock. */ DB_LOCK_ILOCK lock; /* Object to be locked. */ DB_LOCK mylock; /* CDB lock held on this cursor. */ DBTYPE dbtype; /* Cursor type. */ DBC_INTERNAL *internal; /* Access method private. */ /* DBC PUBLIC HANDLE LIST BEGIN */ int (*close) __P((DBC *)); int (*cmp) __P((DBC *, DBC *, int *, u_int32_t)); int (*count) __P((DBC *, db_recno_t *, u_int32_t)); int (*del) __P((DBC *, u_int32_t)); int (*dup) __P((DBC *, DBC **, u_int32_t)); int (*get) __P((DBC *, DBT *, DBT *, u_int32_t)); int (*get_priority) __P((DBC *, DB_CACHE_PRIORITY *)); int (*pget) __P((DBC *, DBT *, DBT *, DBT *, u_int32_t)); int (*put) __P((DBC *, DBT *, DBT *, u_int32_t)); int (*set_priority) __P((DBC *, DB_CACHE_PRIORITY)); /* DBC PUBLIC HANDLE LIST END */ /* The following are the method names deprecated in the 4.6 release. */ int (*c_close) __P((DBC *)); int (*c_count) __P((DBC *, db_recno_t *, u_int32_t)); int (*c_del) __P((DBC *, u_int32_t)); int (*c_dup) __P((DBC *, DBC **, u_int32_t)); int (*c_get) __P((DBC *, DBT *, DBT *, u_int32_t)); int (*c_pget) __P((DBC *, DBT *, DBT *, DBT *, u_int32_t)); int (*c_put) __P((DBC *, DBT *, DBT *, u_int32_t)); /* DBC PRIVATE HANDLE LIST BEGIN */ int (*am_bulk) __P((DBC *, DBT *, u_int32_t)); int (*am_close) __P((DBC *, db_pgno_t, int *)); int (*am_del) __P((DBC *, u_int32_t)); int (*am_destroy) __P((DBC *)); int (*am_get) __P((DBC *, DBT *, DBT *, u_int32_t, db_pgno_t *)); int (*am_put) __P((DBC *, DBT *, DBT *, u_int32_t, db_pgno_t *)); int (*am_writelock) __P((DBC *)); /* DBC PRIVATE HANDLE LIST END */ /* * DBC_DONTLOCK and DBC_RECOVER are used during recovery and transaction * abort. If a transaction is being aborted or recovered then DBC_RECOVER * will be set and locking and logging will be disabled on this cursor. If * we are performing a compensating transaction (e.g. free page processing) * then DB_DONTLOCK will be set to inhibit locking, but logging will still * be required. DB_DONTLOCK is also used if the whole database is locked. */ #define DBC_ACTIVE 0x00001 /* Cursor in use. */ #define DBC_BULK 0x00002 /* Bulk update cursor. */ #define DBC_DONTLOCK 0x00004 /* Don't lock on this cursor. */ #define DBC_DOWNREV 0x00008 /* Down rev replication master. */ #define DBC_DUPLICATE 0x00010 /* Create a duplicate cursor. */ #define DBC_ERROR 0x00020 /* Error in this request. */ #define DBC_FAMILY 0x00040 /* Part of a locker family. */ #define DBC_FROM_DB_GET 0x00080 /* Called from the DB->get() method. */ #define DBC_MULTIPLE 0x00100 /* Return Multiple data. */ #define DBC_MULTIPLE_KEY 0x00200 /* Return Multiple keys and data. */ #define DBC_OPD 0x00400 /* Cursor references off-page dups. */ #define DBC_OWN_LID 0x00800 /* Free lock id on destroy. */ #define DBC_PARTITIONED 0x01000 /* Cursor for a partitioned db. */ #define DBC_READ_COMMITTED 0x02000 /* Cursor has degree 2 isolation. */ #define DBC_READ_UNCOMMITTED 0x04000 /* Cursor has degree 1 isolation. */ #define DBC_RECOVER 0x08000 /* Recovery cursor; don't log/lock. */ #define DBC_RMW 0x10000 /* Acquire write flag in read op. */ #define DBC_TRANSIENT 0x20000 /* Cursor is transient. */ #define DBC_WAS_READ_COMMITTED 0x40000 /* Cursor holds a read commited lock. */ #define DBC_WRITECURSOR 0x80000 /* Cursor may be used to write (CDB). */ #define DBC_WRITER 0x100000 /* Cursor immediately writing (CDB). */ u_int32_t flags; }; /* Key range statistics structure */ struct __key_range { double less; double equal; double greater; }; /* Btree/Recno statistics structure. */ struct __db_bt_stat { /* SHARED */ u_int32_t bt_magic; /* Magic number. */ u_int32_t bt_version; /* Version number. */ u_int32_t bt_metaflags; /* Metadata flags. */ u_int32_t bt_nkeys; /* Number of unique keys. */ u_int32_t bt_ndata; /* Number of data items. */ u_int32_t bt_pagecnt; /* Page count. */ u_int32_t bt_pagesize; /* Page size. */ u_int32_t bt_minkey; /* Minkey value. */ u_int32_t bt_re_len; /* Fixed-length record length. */ u_int32_t bt_re_pad; /* Fixed-length record pad. */ u_int32_t bt_levels; /* Tree levels. */ u_int32_t bt_int_pg; /* Internal pages. */ u_int32_t bt_leaf_pg; /* Leaf pages. */ u_int32_t bt_dup_pg; /* Duplicate pages. */ u_int32_t bt_over_pg; /* Overflow pages. */ u_int32_t bt_empty_pg; /* Empty pages. */ u_int32_t bt_free; /* Pages on the free list. */ uintmax_t bt_int_pgfree; /* Bytes free in internal pages. */ uintmax_t bt_leaf_pgfree; /* Bytes free in leaf pages. */ uintmax_t bt_dup_pgfree; /* Bytes free in duplicate pages. */ uintmax_t bt_over_pgfree; /* Bytes free in overflow pages. */ }; struct __db_compact { /* Input Parameters. */ u_int32_t compact_fillpercent; /* Desired fillfactor: 1-100 */ db_timeout_t compact_timeout; /* Lock timeout. */ u_int32_t compact_pages; /* Max pages to process. */ /* Output Stats. */ u_int32_t compact_empty_buckets; /* Empty hash buckets found. */ u_int32_t compact_pages_free; /* Number of pages freed. */ u_int32_t compact_pages_examine; /* Number of pages examine. */ u_int32_t compact_levels; /* Number of levels removed. */ u_int32_t compact_deadlock; /* Number of deadlocks. */ db_pgno_t compact_pages_truncated; /* Pages truncated to OS. */ /* Internal. */ db_pgno_t compact_truncate; /* Page number for truncation */ }; /* Hash statistics structure. */ struct __db_h_stat { /* SHARED */ u_int32_t hash_magic; /* Magic number. */ u_int32_t hash_version; /* Version number. */ u_int32_t hash_metaflags; /* Metadata flags. */ u_int32_t hash_nkeys; /* Number of unique keys. */ u_int32_t hash_ndata; /* Number of data items. */ u_int32_t hash_pagecnt; /* Page count. */ u_int32_t hash_pagesize; /* Page size. */ u_int32_t hash_ffactor; /* Fill factor specified at create. */ u_int32_t hash_buckets; /* Number of hash buckets. */ u_int32_t hash_free; /* Pages on the free list. */ uintmax_t hash_bfree; /* Bytes free on bucket pages. */ u_int32_t hash_bigpages; /* Number of big key/data pages. */ uintmax_t hash_big_bfree; /* Bytes free on big item pages. */ u_int32_t hash_overflows; /* Number of overflow pages. */ uintmax_t hash_ovfl_free; /* Bytes free on ovfl pages. */ u_int32_t hash_dup; /* Number of dup pages. */ uintmax_t hash_dup_free; /* Bytes free on duplicate pages. */ }; /* Heap statistics structure. */ struct __db_heap_stat { /* SHARED */ u_int32_t heap_magic; /* Magic number. */ u_int32_t heap_version; /* Version number. */ u_int32_t heap_metaflags; /* Metadata flags. */ u_int32_t heap_nrecs; /* Number of records. */ u_int32_t heap_pagecnt; /* Page count. */ u_int32_t heap_pagesize; /* Page size. */ u_int32_t heap_nregions; /* Number of regions. */ u_int32_t heap_regionsize; /* Number of pages in a region. */ }; /* Queue statistics structure. */ struct __db_qam_stat { /* SHARED */ u_int32_t qs_magic; /* Magic number. */ u_int32_t qs_version; /* Version number. */ u_int32_t qs_metaflags; /* Metadata flags. */ u_int32_t qs_nkeys; /* Number of unique keys. */ u_int32_t qs_ndata; /* Number of data items. */ u_int32_t qs_pagesize; /* Page size. */ u_int32_t qs_extentsize; /* Pages per extent. */ u_int32_t qs_pages; /* Data pages. */ u_int32_t qs_re_len; /* Fixed-length record length. */ u_int32_t qs_re_pad; /* Fixed-length record pad. */ u_int32_t qs_pgfree; /* Bytes free in data pages. */ u_int32_t qs_first_recno; /* First not deleted record. */ u_int32_t qs_cur_recno; /* Next available record number. */ }; /******************************************************* * Environment. *******************************************************/ #define DB_REGION_MAGIC 0x120897 /* Environment magic number. */ /* * Database environment structure. * * This is the public database environment handle. The private environment * handle is the ENV structure. The user owns this structure, the library * owns the ENV structure. The reason there are two structures is because * the user's configuration outlives any particular DB_ENV->open call, and * separate structures allows us to easily discard internal information without * discarding the user's configuration. * * Fields in the DB_ENV structure should normally be set only by application * DB_ENV handle methods. */ /* * Memory configuration types. */ typedef enum { DB_MEM_LOCK=1, DB_MEM_LOCKOBJECT=2, DB_MEM_LOCKER=3, DB_MEM_LOGID=4, DB_MEM_TRANSACTION=5, DB_MEM_THREAD=6 } DB_MEM_CONFIG; /* * Backup configuration types. */ typedef enum { DB_BACKUP_READ_COUNT = 1, DB_BACKUP_READ_SLEEP = 2, DB_BACKUP_SIZE = 3, DB_BACKUP_WRITE_DIRECT = 4 } DB_BACKUP_CONFIG; struct __db_env { ENV *env; /* Linked ENV structure */ /* * The DB_ENV structure can be used concurrently, so field access is * protected. */ db_mutex_t mtx_db_env; /* DB_ENV structure mutex */ /* Error message callback */ void (*db_errcall) __P((const DB_ENV *, const char *, const char *)); FILE *db_errfile; /* Error message file stream */ const char *db_errpfx; /* Error message prefix */ /* Other message callback */ void (*db_msgcall) __P((const DB_ENV *, const char *)); FILE *db_msgfile; /* Other message file stream */ /* Other application callback functions */ int (*app_dispatch) __P((DB_ENV *, DBT *, DB_LSN *, db_recops)); void (*db_event_func) __P((DB_ENV *, u_int32_t, void *)); void (*db_feedback) __P((DB_ENV *, int, int)); void (*db_free) __P((void *)); void (*db_paniccall) __P((DB_ENV *, int)); void *(*db_malloc) __P((size_t)); void *(*db_realloc) __P((void *, size_t)); int (*is_alive) __P((DB_ENV *, pid_t, db_threadid_t, u_int32_t)); void (*thread_id) __P((DB_ENV *, pid_t *, db_threadid_t *)); char *(*thread_id_string) __P((DB_ENV *, pid_t, db_threadid_t, char *)); /* Application specified paths */ char *db_log_dir; /* Database log file directory */ char *db_md_dir; /* Persistent metadata directory */ char *db_tmp_dir; /* Database tmp file directory */ char *db_create_dir; /* Create directory for data files */ char **db_data_dir; /* Database data file directories */ int data_cnt; /* Database data file slots */ int data_next; /* Next database data file slot */ char *intermediate_dir_mode; /* Intermediate directory perms */ long shm_key; /* shmget key */ char *passwd; /* Cryptography support */ size_t passwd_len; /* Private handle references */ void *app_private; /* Application-private handle */ void *api1_internal; /* C++, Perl API private */ void *api2_internal; /* Java API private */ u_int32_t verbose; /* DB_VERB_XXX flags */ /* Mutex configuration */ u_int32_t mutex_align; /* Mutex alignment */ u_int32_t mutex_cnt; /* Number of mutexes to configure */ u_int32_t mutex_inc; /* Number of mutexes to add */ u_int32_t mutex_max; /* Max number of mutexes */ u_int32_t mutex_tas_spins;/* Test-and-set spin count */ /* Locking configuration */ u_int8_t *lk_conflicts; /* Two dimensional conflict matrix */ int lk_modes; /* Number of lock modes in table */ u_int32_t lk_detect; /* Deadlock detect on all conflicts */ u_int32_t lk_max; /* Maximum number of locks */ u_int32_t lk_max_lockers;/* Maximum number of lockers */ u_int32_t lk_max_objects;/* Maximum number of locked objects */ u_int32_t lk_init; /* Initial number of locks */ u_int32_t lk_init_lockers;/* Initial number of lockers */ u_int32_t lk_init_objects;/* Initial number of locked objects */ u_int32_t lk_partitions ;/* Number of object partitions */ db_timeout_t lk_timeout; /* Lock timeout period */ /* Used during initialization */ u_int32_t locker_t_size; /* Locker hash table size. */ u_int32_t object_t_size; /* Object hash table size. */ /* Logging configuration */ u_int32_t lg_bsize; /* Buffer size */ u_int32_t lg_fileid_init; /* Initial allocation for fname structs */ int lg_filemode; /* Log file permission mode */ u_int32_t lg_regionmax; /* Region size */ u_int32_t lg_size; /* Log file size */ u_int32_t lg_flags; /* Log configuration */ /* Memory pool configuration */ u_int32_t mp_gbytes; /* Cache size: GB */ u_int32_t mp_bytes; /* Cache size: bytes */ u_int32_t mp_max_gbytes; /* Maximum cache size: GB */ u_int32_t mp_max_bytes; /* Maximum cache size: bytes */ size_t mp_mmapsize; /* Maximum file size for mmap */ int mp_maxopenfd; /* Maximum open file descriptors */ int mp_maxwrite; /* Maximum buffers to write */ u_int mp_ncache; /* Initial number of cache regions */ u_int32_t mp_pagesize; /* Average page size */ u_int32_t mp_tablesize; /* Approximate hash table size */ u_int32_t mp_mtxcount; /* Number of mutexs */ /* Sleep after writing max buffers */ db_timeout_t mp_maxwrite_sleep; /* Transaction configuration */ u_int32_t tx_init; /* Initial number of transactions */ u_int32_t tx_max; /* Maximum number of transactions */ time_t tx_timestamp; /* Recover to specific timestamp */ db_timeout_t tx_timeout; /* Timeout for transactions */ /* Thread tracking configuration */ u_int32_t thr_init; /* Thread count */ u_int32_t thr_max; /* Thread max */ roff_t memory_max; /* Maximum region memory */ /* * The following fields are not strictly user-owned, but they outlive * the ENV structure, and so are stored here. */ DB_FH *registry; /* DB_REGISTER file handle */ u_int32_t registry_off; /* * Offset of our slot. We can't use * off_t because its size depends on * build settings. */ db_timeout_t envreg_timeout; /* DB_REGISTER wait timeout */ #define DB_ENV_AUTO_COMMIT 0x00000001 /* DB_AUTO_COMMIT */ #define DB_ENV_CDB_ALLDB 0x00000002 /* CDB environment wide locking */ #define DB_ENV_FAILCHK 0x00000004 /* Failchk is running */ #define DB_ENV_DIRECT_DB 0x00000008 /* DB_DIRECT_DB set */ #define DB_ENV_DSYNC_DB 0x00000010 /* DB_DSYNC_DB set */ #define DB_ENV_DATABASE_LOCKING 0x00000020 /* Try database-level locking */ #define DB_ENV_MULTIVERSION 0x00000040 /* DB_MULTIVERSION set */ #define DB_ENV_NOLOCKING 0x00000080 /* DB_NOLOCKING set */ #define DB_ENV_NOMMAP 0x00000100 /* DB_NOMMAP set */ #define DB_ENV_NOPANIC 0x00000200 /* Okay if panic set */ #define DB_ENV_OVERWRITE 0x00000400 /* DB_OVERWRITE set */ #define DB_ENV_REGION_INIT 0x00000800 /* DB_REGION_INIT set */ #define DB_ENV_TIME_NOTGRANTED 0x00001000 /* DB_TIME_NOTGRANTED set */ #define DB_ENV_TXN_NOSYNC 0x00002000 /* DB_TXN_NOSYNC set */ #define DB_ENV_TXN_NOWAIT 0x00004000 /* DB_TXN_NOWAIT set */ #define DB_ENV_TXN_SNAPSHOT 0x00008000 /* DB_TXN_SNAPSHOT set */ #define DB_ENV_TXN_WRITE_NOSYNC 0x00010000 /* DB_TXN_WRITE_NOSYNC set */ #define DB_ENV_YIELDCPU 0x00020000 /* DB_YIELDCPU set */ #define DB_ENV_HOTBACKUP 0x00040000 /* DB_HOTBACKUP_IN_PROGRESS set */ #define DB_ENV_NOFLUSH 0x00080000 /* DB_NOFLUSH set */ u_int32_t flags; /* DB_ENV PUBLIC HANDLE LIST BEGIN */ int (*add_data_dir) __P((DB_ENV *, const char *)); int (*backup) __P((DB_ENV *, const char *, u_int32_t)); int (*cdsgroup_begin) __P((DB_ENV *, DB_TXN **)); int (*close) __P((DB_ENV *, u_int32_t)); int (*dbbackup) __P((DB_ENV *, const char *, const char *, u_int32_t)); int (*dbremove) __P((DB_ENV *, DB_TXN *, const char *, const char *, u_int32_t)); int (*dbrename) __P((DB_ENV *, DB_TXN *, const char *, const char *, const char *, u_int32_t)); void (*err) __P((const DB_ENV *, int, const char *, ...)); void (*errx) __P((const DB_ENV *, const char *, ...)); int (*failchk) __P((DB_ENV *, u_int32_t)); int (*fileid_reset) __P((DB_ENV *, const char *, u_int32_t)); int (*get_alloc) __P((DB_ENV *, void *(**)(size_t), void *(**)(void *, size_t), void (**)(void *))); int (*get_app_dispatch) __P((DB_ENV *, int (**)(DB_ENV *, DBT *, DB_LSN *, db_recops))); int (*get_cache_max) __P((DB_ENV *, u_int32_t *, u_int32_t *)); int (*get_cachesize) __P((DB_ENV *, u_int32_t *, u_int32_t *, int *)); int (*get_create_dir) __P((DB_ENV *, const char **)); int (*get_data_dirs) __P((DB_ENV *, const char ***)); int (*get_data_len) __P((DB_ENV *, u_int32_t *)); int (*get_backup_callbacks) __P((DB_ENV *, int (**)(DB_ENV *, const char *, const char *, void **), int (**)(DB_ENV *, u_int32_t, u_int32_t, u_int32_t, u_int8_t *, void *), int (**)(DB_ENV *, const char *, void *))); int (*get_backup_config) __P((DB_ENV *, DB_BACKUP_CONFIG, u_int32_t *)); int (*get_encrypt_flags) __P((DB_ENV *, u_int32_t *)); void (*get_errcall) __P((DB_ENV *, void (**)(const DB_ENV *, const char *, const char *))); void (*get_errfile) __P((DB_ENV *, FILE **)); void (*get_errpfx) __P((DB_ENV *, const char **)); int (*get_flags) __P((DB_ENV *, u_int32_t *)); int (*get_feedback) __P((DB_ENV *, void (**)(DB_ENV *, int, int))); int (*get_home) __P((DB_ENV *, const char **)); int (*get_intermediate_dir_mode) __P((DB_ENV *, const char **)); int (*get_isalive) __P((DB_ENV *, int (**)(DB_ENV *, pid_t, db_threadid_t, u_int32_t))); int (*get_lg_bsize) __P((DB_ENV *, u_int32_t *)); int (*get_lg_dir) __P((DB_ENV *, const char **)); int (*get_lg_filemode) __P((DB_ENV *, int *)); int (*get_lg_max) __P((DB_ENV *, u_int32_t *)); int (*get_lg_regionmax) __P((DB_ENV *, u_int32_t *)); int (*get_lk_conflicts) __P((DB_ENV *, const u_int8_t **, int *)); int (*get_lk_detect) __P((DB_ENV *, u_int32_t *)); int (*get_lk_max_lockers) __P((DB_ENV *, u_int32_t *)); int (*get_lk_max_locks) __P((DB_ENV *, u_int32_t *)); int (*get_lk_max_objects) __P((DB_ENV *, u_int32_t *)); int (*get_lk_partitions) __P((DB_ENV *, u_int32_t *)); int (*get_lk_priority) __P((DB_ENV *, u_int32_t, u_int32_t *)); int (*get_lk_tablesize) __P((DB_ENV *, u_int32_t *)); int (*get_memory_init) __P((DB_ENV *, DB_MEM_CONFIG, u_int32_t *)); int (*get_memory_max) __P((DB_ENV *, u_int32_t *, u_int32_t *)); int (*get_metadata_dir) __P((DB_ENV *, const char **)); int (*get_mp_max_openfd) __P((DB_ENV *, int *)); int (*get_mp_max_write) __P((DB_ENV *, int *, db_timeout_t *)); int (*get_mp_mmapsize) __P((DB_ENV *, size_t *)); int (*get_mp_mtxcount) __P((DB_ENV *, u_int32_t *)); int (*get_mp_pagesize) __P((DB_ENV *, u_int32_t *)); int (*get_mp_tablesize) __P((DB_ENV *, u_int32_t *)); void (*get_msgcall) __P((DB_ENV *, void (**)(const DB_ENV *, const char *))); void (*get_msgfile) __P((DB_ENV *, FILE **)); int (*get_open_flags) __P((DB_ENV *, u_int32_t *)); int (*get_shm_key) __P((DB_ENV *, long *)); int (*get_thread_count) __P((DB_ENV *, u_int32_t *)); int (*get_thread_id_fn) __P((DB_ENV *, void (**)(DB_ENV *, pid_t *, db_threadid_t *))); int (*get_thread_id_string_fn) __P((DB_ENV *, char *(**)(DB_ENV *, pid_t, db_threadid_t, char *))); int (*get_timeout) __P((DB_ENV *, db_timeout_t *, u_int32_t)); int (*get_tmp_dir) __P((DB_ENV *, const char **)); int (*get_tx_max) __P((DB_ENV *, u_int32_t *)); int (*get_tx_timestamp) __P((DB_ENV *, time_t *)); int (*get_verbose) __P((DB_ENV *, u_int32_t, int *)); int (*is_bigendian) __P((void)); int (*lock_detect) __P((DB_ENV *, u_int32_t, u_int32_t, int *)); int (*lock_get) __P((DB_ENV *, u_int32_t, u_int32_t, DBT *, db_lockmode_t, DB_LOCK *)); int (*lock_id) __P((DB_ENV *, u_int32_t *)); int (*lock_id_free) __P((DB_ENV *, u_int32_t)); int (*lock_put) __P((DB_ENV *, DB_LOCK *)); int (*lock_stat) __P((DB_ENV *, DB_LOCK_STAT **, u_int32_t)); int (*lock_stat_print) __P((DB_ENV *, u_int32_t)); int (*lock_vec) __P((DB_ENV *, u_int32_t, u_int32_t, DB_LOCKREQ *, int, DB_LOCKREQ **)); int (*log_archive) __P((DB_ENV *, char **[], u_int32_t)); int (*log_cursor) __P((DB_ENV *, DB_LOGC **, u_int32_t)); int (*log_file) __P((DB_ENV *, const DB_LSN *, char *, size_t)); int (*log_flush) __P((DB_ENV *, const DB_LSN *)); int (*log_get_config) __P((DB_ENV *, u_int32_t, int *)); int (*log_printf) __P((DB_ENV *, DB_TXN *, const char *, ...)); int (*log_put) __P((DB_ENV *, DB_LSN *, const DBT *, u_int32_t)); int (*log_put_record) __P((DB_ENV *, DB *, DB_TXN *, DB_LSN *, u_int32_t, u_int32_t, u_int32_t, u_int32_t, DB_LOG_RECSPEC *, ...)); int (*log_read_record) __P((DB_ENV *, DB **, void *, void *, DB_LOG_RECSPEC *, u_int32_t, void **)); int (*log_set_config) __P((DB_ENV *, u_int32_t, int)); int (*log_stat) __P((DB_ENV *, DB_LOG_STAT **, u_int32_t)); int (*log_stat_print) __P((DB_ENV *, u_int32_t)); int (*log_verify) __P((DB_ENV *, const DB_LOG_VERIFY_CONFIG *)); int (*lsn_reset) __P((DB_ENV *, const char *, u_int32_t)); int (*memp_fcreate) __P((DB_ENV *, DB_MPOOLFILE **, u_int32_t)); int (*memp_register) __P((DB_ENV *, int, int (*)(DB_ENV *, db_pgno_t, void *, DBT *), int (*)(DB_ENV *, db_pgno_t, void *, DBT *))); int (*memp_stat) __P((DB_ENV *, DB_MPOOL_STAT **, DB_MPOOL_FSTAT ***, u_int32_t)); int (*memp_stat_print) __P((DB_ENV *, u_int32_t)); int (*memp_sync) __P((DB_ENV *, DB_LSN *)); int (*memp_trickle) __P((DB_ENV *, int, int *)); int (*mutex_alloc) __P((DB_ENV *, u_int32_t, db_mutex_t *)); int (*mutex_free) __P((DB_ENV *, db_mutex_t)); int (*mutex_get_align) __P((DB_ENV *, u_int32_t *)); int (*mutex_get_increment) __P((DB_ENV *, u_int32_t *)); int (*mutex_get_init) __P((DB_ENV *, u_int32_t *)); int (*mutex_get_max) __P((DB_ENV *, u_int32_t *)); int (*mutex_get_tas_spins) __P((DB_ENV *, u_int32_t *)); int (*mutex_lock) __P((DB_ENV *, db_mutex_t)); int (*mutex_set_align) __P((DB_ENV *, u_int32_t)); int (*mutex_set_increment) __P((DB_ENV *, u_int32_t)); int (*mutex_set_init) __P((DB_ENV *, u_int32_t)); int (*mutex_set_max) __P((DB_ENV *, u_int32_t)); int (*mutex_set_tas_spins) __P((DB_ENV *, u_int32_t)); int (*mutex_stat) __P((DB_ENV *, DB_MUTEX_STAT **, u_int32_t)); int (*mutex_stat_print) __P((DB_ENV *, u_int32_t)); int (*mutex_unlock) __P((DB_ENV *, db_mutex_t)); int (*open) __P((DB_ENV *, const char *, u_int32_t, int)); int (*remove) __P((DB_ENV *, const char *, u_int32_t)); int (*rep_elect) __P((DB_ENV *, u_int32_t, u_int32_t, u_int32_t)); int (*rep_flush) __P((DB_ENV *)); int (*rep_get_clockskew) __P((DB_ENV *, u_int32_t *, u_int32_t *)); int (*rep_get_config) __P((DB_ENV *, u_int32_t, int *)); int (*rep_get_limit) __P((DB_ENV *, u_int32_t *, u_int32_t *)); int (*rep_get_nsites) __P((DB_ENV *, u_int32_t *)); int (*rep_get_priority) __P((DB_ENV *, u_int32_t *)); int (*rep_get_request) __P((DB_ENV *, u_int32_t *, u_int32_t *)); int (*rep_get_timeout) __P((DB_ENV *, int, u_int32_t *)); int (*rep_process_message) __P((DB_ENV *, DBT *, DBT *, int, DB_LSN *)); int (*rep_set_clockskew) __P((DB_ENV *, u_int32_t, u_int32_t)); int (*rep_set_config) __P((DB_ENV *, u_int32_t, int)); int (*rep_set_limit) __P((DB_ENV *, u_int32_t, u_int32_t)); int (*rep_set_nsites) __P((DB_ENV *, u_int32_t)); int (*rep_set_priority) __P((DB_ENV *, u_int32_t)); int (*rep_set_request) __P((DB_ENV *, u_int32_t, u_int32_t)); int (*rep_set_timeout) __P((DB_ENV *, int, db_timeout_t)); int (*rep_set_transport) __P((DB_ENV *, int, int (*)(DB_ENV *, const DBT *, const DBT *, const DB_LSN *, int, u_int32_t))); int (*rep_start) __P((DB_ENV *, DBT *, u_int32_t)); int (*rep_stat) __P((DB_ENV *, DB_REP_STAT **, u_int32_t)); int (*rep_stat_print) __P((DB_ENV *, u_int32_t)); int (*rep_sync) __P((DB_ENV *, u_int32_t)); int (*repmgr_channel) __P((DB_ENV *, int, DB_CHANNEL **, u_int32_t)); int (*repmgr_get_ack_policy) __P((DB_ENV *, int *)); int (*repmgr_local_site) __P((DB_ENV *, DB_SITE **)); int (*repmgr_msg_dispatch) __P((DB_ENV *, void (*)(DB_ENV *, DB_CHANNEL *, DBT *, u_int32_t, u_int32_t), u_int32_t)); int (*repmgr_set_ack_policy) __P((DB_ENV *, int)); int (*repmgr_site) __P((DB_ENV *, const char *, u_int, DB_SITE**, u_int32_t)); int (*repmgr_site_by_eid) __P((DB_ENV *, int, DB_SITE**)); int (*repmgr_site_list) __P((DB_ENV *, u_int *, DB_REPMGR_SITE **)); int (*repmgr_start) __P((DB_ENV *, int, u_int32_t)); int (*repmgr_stat) __P((DB_ENV *, DB_REPMGR_STAT **, u_int32_t)); int (*repmgr_stat_print) __P((DB_ENV *, u_int32_t)); int (*set_alloc) __P((DB_ENV *, void *(*)(size_t), void *(*)(void *, size_t), void (*)(void *))); int (*set_app_dispatch) __P((DB_ENV *, int (*)(DB_ENV *, DBT *, DB_LSN *, db_recops))); int (*set_cache_max) __P((DB_ENV *, u_int32_t, u_int32_t)); int (*set_cachesize) __P((DB_ENV *, u_int32_t, u_int32_t, int)); int (*set_create_dir) __P((DB_ENV *, const char *)); int (*set_data_dir) __P((DB_ENV *, const char *)); int (*set_data_len) __P((DB_ENV *, u_int32_t)); int (*set_backup_callbacks) __P((DB_ENV *, int (*)(DB_ENV *, const char *, const char *, void **), int (*)(DB_ENV *, u_int32_t, u_int32_t, u_int32_t, u_int8_t *, void *), int (*)(DB_ENV *, const char *, void *))); int (*set_backup_config) __P((DB_ENV *, DB_BACKUP_CONFIG, u_int32_t)); int (*set_encrypt) __P((DB_ENV *, const char *, u_int32_t)); void (*set_errcall) __P((DB_ENV *, void (*)(const DB_ENV *, const char *, const char *))); void (*set_errfile) __P((DB_ENV *, FILE *)); void (*set_errpfx) __P((DB_ENV *, const char *)); int (*set_event_notify) __P((DB_ENV *, void (*)(DB_ENV *, u_int32_t, void *))); int (*set_feedback) __P((DB_ENV *, void (*)(DB_ENV *, int, int))); int (*set_flags) __P((DB_ENV *, u_int32_t, int)); int (*set_intermediate_dir_mode) __P((DB_ENV *, const char *)); int (*set_isalive) __P((DB_ENV *, int (*)(DB_ENV *, pid_t, db_threadid_t, u_int32_t))); int (*set_lg_bsize) __P((DB_ENV *, u_int32_t)); int (*set_lg_dir) __P((DB_ENV *, const char *)); int (*set_lg_filemode) __P((DB_ENV *, int)); int (*set_lg_max) __P((DB_ENV *, u_int32_t)); int (*set_lg_regionmax) __P((DB_ENV *, u_int32_t)); int (*set_lk_conflicts) __P((DB_ENV *, u_int8_t *, int)); int (*set_lk_detect) __P((DB_ENV *, u_int32_t)); int (*set_lk_max_lockers) __P((DB_ENV *, u_int32_t)); int (*set_lk_max_locks) __P((DB_ENV *, u_int32_t)); int (*set_lk_max_objects) __P((DB_ENV *, u_int32_t)); int (*set_lk_partitions) __P((DB_ENV *, u_int32_t)); int (*set_lk_priority) __P((DB_ENV *, u_int32_t, u_int32_t)); int (*set_lk_tablesize) __P((DB_ENV *, u_int32_t)); int (*set_memory_init) __P((DB_ENV *, DB_MEM_CONFIG, u_int32_t)); int (*set_memory_max) __P((DB_ENV *, u_int32_t, u_int32_t)); int (*set_metadata_dir) __P((DB_ENV *, const char *)); int (*set_mp_max_openfd) __P((DB_ENV *, int)); int (*set_mp_max_write) __P((DB_ENV *, int, db_timeout_t)); int (*set_mp_mmapsize) __P((DB_ENV *, size_t)); int (*set_mp_mtxcount) __P((DB_ENV *, u_int32_t)); int (*set_mp_pagesize) __P((DB_ENV *, u_int32_t)); int (*set_mp_tablesize) __P((DB_ENV *, u_int32_t)); void (*set_msgcall) __P((DB_ENV *, void (*)(const DB_ENV *, const char *))); void (*set_msgfile) __P((DB_ENV *, FILE *)); int (*set_paniccall) __P((DB_ENV *, void (*)(DB_ENV *, int))); int (*set_shm_key) __P((DB_ENV *, long)); int (*set_thread_count) __P((DB_ENV *, u_int32_t)); int (*set_thread_id) __P((DB_ENV *, void (*)(DB_ENV *, pid_t *, db_threadid_t *))); int (*set_thread_id_string) __P((DB_ENV *, char *(*)(DB_ENV *, pid_t, db_threadid_t, char *))); int (*set_timeout) __P((DB_ENV *, db_timeout_t, u_int32_t)); int (*set_tmp_dir) __P((DB_ENV *, const char *)); int (*set_tx_max) __P((DB_ENV *, u_int32_t)); int (*set_tx_timestamp) __P((DB_ENV *, time_t *)); int (*set_verbose) __P((DB_ENV *, u_int32_t, int)); int (*txn_applied) __P((DB_ENV *, DB_TXN_TOKEN *, db_timeout_t, u_int32_t)); int (*stat_print) __P((DB_ENV *, u_int32_t)); int (*txn_begin) __P((DB_ENV *, DB_TXN *, DB_TXN **, u_int32_t)); int (*txn_checkpoint) __P((DB_ENV *, u_int32_t, u_int32_t, u_int32_t)); int (*txn_recover) __P((DB_ENV *, DB_PREPLIST *, long, long *, u_int32_t)); int (*txn_stat) __P((DB_ENV *, DB_TXN_STAT **, u_int32_t)); int (*txn_stat_print) __P((DB_ENV *, u_int32_t)); /* DB_ENV PUBLIC HANDLE LIST END */ /* DB_ENV PRIVATE HANDLE LIST BEGIN */ int (*prdbt) __P((DBT *, int, const char *, void *, int (*)(void *, const void *), int, int)); /* DB_ENV PRIVATE HANDLE LIST END */ }; /* * Dispatch structure for recovery, log verification and print routines. Since * internal and external routines take different arguments (ENV versus DB_ENV), * we need something more elaborate than a single pointer and size. */ struct __db_distab { int (**int_dispatch) __P((ENV *, DBT *, DB_LSN *, db_recops, void *)); size_t int_size; int (**ext_dispatch) __P((DB_ENV *, DBT *, DB_LSN *, db_recops)); size_t ext_size; }; /* * Log verification configuration structure. */ struct __db_logvrfy_config { int continue_after_fail, verbose; u_int32_t cachesize; const char *temp_envhome; const char *dbfile, *dbname; DB_LSN start_lsn, end_lsn; time_t start_time, end_time; }; struct __db_channel { CHANNEL *channel; /* Pointer to internal state details. */ int eid; /* Env. ID passed in constructor. */ db_timeout_t timeout; /* DB_CHANNEL PUBLIC HANDLE LIST BEGIN */ int (*close) __P((DB_CHANNEL *, u_int32_t)); int (*send_msg) __P((DB_CHANNEL *, DBT *, u_int32_t, u_int32_t)); int (*send_request) __P((DB_CHANNEL *, DBT *, u_int32_t, DBT *, db_timeout_t, u_int32_t)); int (*set_timeout) __P((DB_CHANNEL *, db_timeout_t)); /* DB_CHANNEL PUBLIC HANDLE LIST END */ }; struct __db_site { ENV *env; int eid; const char *host; u_int port; u_int32_t flags; /* DB_SITE PUBLIC HANDLE LIST BEGIN */ int (*get_address) __P((DB_SITE *, const char **, u_int *)); int (*get_config) __P((DB_SITE *, u_int32_t, u_int32_t *)); int (*get_eid) __P((DB_SITE *, int *)); int (*set_config) __P((DB_SITE *, u_int32_t, u_int32_t)); int (*remove) __P((DB_SITE *)); int (*close) __P((DB_SITE *)); /* DB_SITE PUBLIC HANDLE LIST END */ }; #if DB_DBM_HSEARCH != 0 /******************************************************* * Dbm/Ndbm historic interfaces. *******************************************************/ typedef struct __db DBM; #define DBM_INSERT 0 /* Flags to dbm_store(). */ #define DBM_REPLACE 1 /* * The DB support for ndbm(3) always appends this suffix to the * file name to avoid overwriting the user's original database. */ #define DBM_SUFFIX ".db" #if defined(_XPG4_2) typedef struct { char *dptr; size_t dsize; } datum; #else typedef struct { char *dptr; int dsize; } datum; #endif /* * Translate NDBM calls into DB calls so that DB doesn't step on the * application's name space. */ #define dbm_clearerr(a) __db_ndbm_clearerr(a) #define dbm_close(a) __db_ndbm_close(a) #define dbm_delete(a, b) __db_ndbm_delete(a, b) #define dbm_dirfno(a) __db_ndbm_dirfno(a) #define dbm_error(a) __db_ndbm_error(a) #define dbm_fetch(a, b) __db_ndbm_fetch(a, b) #define dbm_firstkey(a) __db_ndbm_firstkey(a) #define dbm_nextkey(a) __db_ndbm_nextkey(a) #define dbm_open(a, b, c) __db_ndbm_open(a, b, c) #define dbm_pagfno(a) __db_ndbm_pagfno(a) #define dbm_rdonly(a) __db_ndbm_rdonly(a) #define dbm_store(a, b, c, d) \ __db_ndbm_store(a, b, c, d) /* * Translate DBM calls into DB calls so that DB doesn't step on the * application's name space. * * The global variables dbrdonly, dirf and pagf were not retained when 4BSD * replaced the dbm interface with ndbm, and are not supported here. */ #define dbminit(a) __db_dbm_init(a) #define dbmclose __db_dbm_close #if !defined(__cplusplus) #define delete(a) __db_dbm_delete(a) #endif #define fetch(a) __db_dbm_fetch(a) #define firstkey __db_dbm_firstkey #define nextkey(a) __db_dbm_nextkey(a) #define store(a, b) __db_dbm_store(a, b) /******************************************************* * Hsearch historic interface. *******************************************************/ typedef enum { FIND, ENTER } ACTION; typedef struct entry { char *key; char *data; } ENTRY; #define hcreate(a) __db_hcreate(a) #define hdestroy __db_hdestroy #define hsearch(a, b) __db_hsearch(a, b) #endif /* DB_DBM_HSEARCH */ #if defined(__cplusplus) } #endif #endif /* !_DB_H_ */ /* DO NOT EDIT: automatically built by dist/s_apiflags. */ #define DB_AGGRESSIVE 0x00000001 #define DB_ARCH_ABS 0x00000001 #define DB_ARCH_DATA 0x00000002 #define DB_ARCH_LOG 0x00000004 #define DB_ARCH_REMOVE 0x00000008 #define DB_AUTO_COMMIT 0x00000100 #define DB_BACKUP_CLEAN 0x00000002 #define DB_BACKUP_FILES 0x00000008 #define DB_BACKUP_NO_LOGS 0x00000010 #define DB_BACKUP_SINGLE_DIR 0x00000020 #define DB_BACKUP_UPDATE 0x00000040 #define DB_BOOTSTRAP_HELPER 0x00000001 #define DB_CDB_ALLDB 0x00000040 #define DB_CHKSUM 0x00000008 #define DB_CKP_INTERNAL 0x00000002 #define DB_CREATE 0x00000001 #define DB_CURSOR_BULK 0x00000001 #define DB_CURSOR_TRANSIENT 0x00000008 #define DB_CXX_NO_EXCEPTIONS 0x00000002 #define DB_DATABASE_LOCKING 0x00000080 #define DB_DIRECT 0x00000020 #define DB_DIRECT_DB 0x00000200 #define DB_DSYNC_DB 0x00000400 #define DB_DUP 0x00000010 #define DB_DUPSORT 0x00000002 #define DB_DURABLE_UNKNOWN 0x00000040 #define DB_ENCRYPT 0x00000001 #define DB_ENCRYPT_AES 0x00000001 #define DB_EXCL 0x00000004 #define DB_EXTENT 0x00000100 #define DB_FAILCHK 0x00000010 #define DB_FAILCHK_ISALIVE 0x00000040 #define DB_FAST_STAT 0x00000001 #define DB_FCNTL_LOCKING 0x00000800 #define DB_FLUSH 0x00000002 #define DB_FORCE 0x00000001 #define DB_FORCESYNC 0x00000001 #define DB_FOREIGN_ABORT 0x00000001 #define DB_FOREIGN_CASCADE 0x00000002 #define DB_FOREIGN_NULLIFY 0x00000004 #define DB_FREELIST_ONLY 0x00000001 #define DB_FREE_SPACE 0x00000002 #define DB_GROUP_CREATOR 0x00000002 #define DB_HOTBACKUP_IN_PROGRESS 0x00000800 #define DB_IGNORE_LEASE 0x00001000 #define DB_IMMUTABLE_KEY 0x00000002 #define DB_INIT_CDB 0x00000080 #define DB_INIT_LOCK 0x00000100 #define DB_INIT_LOG 0x00000200 #define DB_INIT_MPOOL 0x00000400 #define DB_INIT_MUTEX 0x00000800 #define DB_INIT_REP 0x00001000 #define DB_INIT_TXN 0x00002000 #define DB_INORDER 0x00000020 #define DB_INTERNAL_PERSISTENT_DB 0x00001000 #define DB_INTERNAL_TEMPORARY_DB 0x00002000 #define DB_JOIN_NOSORT 0x00000001 #define DB_LEGACY 0x00000004 #define DB_LOCAL_SITE 0x00000008 #define DB_LOCKDOWN 0x00004000 #define DB_LOCK_CHECK 0x00000001 #define DB_LOCK_IGNORE_REC 0x00000002 #define DB_LOCK_NOWAIT 0x00000004 #define DB_LOCK_RECORD 0x00000008 #define DB_LOCK_SET_TIMEOUT 0x00000010 #define DB_LOCK_SWITCH 0x00000020 #define DB_LOCK_UPGRADE 0x00000040 #define DB_LOG_AUTO_REMOVE 0x00000001 #define DB_LOG_CHKPNT 0x00000001 #define DB_LOG_COMMIT 0x00000004 #define DB_LOG_DIRECT 0x00000002 #define DB_LOG_DSYNC 0x00000004 #define DB_LOG_IN_MEMORY 0x00000008 #define DB_LOG_NOCOPY 0x00000008 #define DB_LOG_NOT_DURABLE 0x00000010 #define DB_LOG_NO_DATA 0x00000002 #define DB_LOG_VERIFY_CAF 0x00000001 #define DB_LOG_VERIFY_DBFILE 0x00000002 #define DB_LOG_VERIFY_ERR 0x00000004 #define DB_LOG_VERIFY_FORWARD 0x00000008 #define DB_LOG_VERIFY_INTERR 0x00000010 #define DB_LOG_VERIFY_PARTIAL 0x00000020 #define DB_LOG_VERIFY_VERBOSE 0x00000040 #define DB_LOG_VERIFY_WARNING 0x00000080 #define DB_LOG_WRNOSYNC 0x00000020 #define DB_LOG_ZERO 0x00000010 #define DB_MPOOL_CREATE 0x00000001 #define DB_MPOOL_DIRTY 0x00000002 #define DB_MPOOL_DISCARD 0x00000001 #define DB_MPOOL_EDIT 0x00000004 #define DB_MPOOL_FREE 0x00000008 #define DB_MPOOL_LAST 0x00000010 #define DB_MPOOL_NEW 0x00000020 #define DB_MPOOL_NOFILE 0x00000001 #define DB_MPOOL_NOLOCK 0x00000004 #define DB_MPOOL_TRY 0x00000040 #define DB_MPOOL_UNLINK 0x00000002 #define DB_MULTIPLE 0x00000800 #define DB_MULTIPLE_KEY 0x00004000 #define DB_MULTIVERSION 0x00000008 #define DB_MUTEX_ALLOCATED 0x00000001 #define DB_MUTEX_LOCKED 0x00000002 #define DB_MUTEX_LOGICAL_LOCK 0x00000004 #define DB_MUTEX_PROCESS_ONLY 0x00000008 #define DB_MUTEX_SELF_BLOCK 0x00000010 #define DB_MUTEX_SHARED 0x00000020 #define DB_NOERROR 0x00004000 #define DB_NOFLUSH 0x00001000 #define DB_NOLOCKING 0x00002000 #define DB_NOMMAP 0x00000010 #define DB_NOORDERCHK 0x00000002 #define DB_NOPANIC 0x00004000 #define DB_NOSYNC 0x00000001 #define DB_NO_AUTO_COMMIT 0x00008000 #define DB_NO_CHECKPOINT 0x00008000 #define DB_ODDFILESIZE 0x00000080 #define DB_ORDERCHKONLY 0x00000004 #define DB_OVERWRITE 0x00008000 #define DB_PANIC_ENVIRONMENT 0x00010000 #define DB_PRINTABLE 0x00000008 #define DB_PRIVATE 0x00010000 #define DB_PR_PAGE 0x00000010 #define DB_PR_RECOVERYTEST 0x00000020 #define DB_RDONLY 0x00000400 #define DB_RDWRMASTER 0x00010000 #define DB_READ_COMMITTED 0x00000400 #define DB_READ_UNCOMMITTED 0x00000200 #define DB_RECNUM 0x00000040 #define DB_RECOVER 0x00000002 #define DB_RECOVER_FATAL 0x00020000 #define DB_REGION_INIT 0x00020000 #define DB_REGISTER 0x00040000 #define DB_RENUMBER 0x00000080 #define DB_REPMGR_CONF_2SITE_STRICT 0x00000001 #define DB_REPMGR_CONF_ELECTIONS 0x00000002 #define DB_REPMGR_NEED_RESPONSE 0x00000001 #define DB_REPMGR_PEER 0x00000010 #define DB_REP_ANYWHERE 0x00000001 #define DB_REP_CLIENT 0x00000001 #define DB_REP_CONF_AUTOINIT 0x00000004 #define DB_REP_CONF_AUTOROLLBACK 0x00000008 #define DB_REP_CONF_BULK 0x00000010 #define DB_REP_CONF_DELAYCLIENT 0x00000020 #define DB_REP_CONF_INMEM 0x00000040 #define DB_REP_CONF_LEASE 0x00000080 #define DB_REP_CONF_NOWAIT 0x00000100 #define DB_REP_ELECTION 0x00000004 #define DB_REP_MASTER 0x00000002 #define DB_REP_NOBUFFER 0x00000002 #define DB_REP_PERMANENT 0x00000004 #define DB_REP_REREQUEST 0x00000008 #define DB_REVSPLITOFF 0x00000100 #define DB_RMW 0x00002000 #define DB_SALVAGE 0x00000040 #define DB_SA_SKIPFIRSTKEY 0x00000080 #define DB_SA_UNKNOWNKEY 0x00000100 #define DB_SEQ_DEC 0x00000001 #define DB_SEQ_INC 0x00000002 #define DB_SEQ_RANGE_SET 0x00000004 #define DB_SEQ_WRAP 0x00000008 #define DB_SEQ_WRAPPED 0x00000010 #define DB_SET_LOCK_TIMEOUT 0x00000001 #define DB_SET_REG_TIMEOUT 0x00000004 #define DB_SET_TXN_NOW 0x00000008 #define DB_SET_TXN_TIMEOUT 0x00000002 #define DB_SHALLOW_DUP 0x00000100 #define DB_SNAPSHOT 0x00000200 #define DB_STAT_ALL 0x00000004 #define DB_STAT_ALLOC 0x00000008 #define DB_STAT_CLEAR 0x00000001 #define DB_STAT_LOCK_CONF 0x00000010 #define DB_STAT_LOCK_LOCKERS 0x00000020 #define DB_STAT_LOCK_OBJECTS 0x00000040 #define DB_STAT_LOCK_PARAMS 0x00000080 #define DB_STAT_MEMP_HASH 0x00000010 #define DB_STAT_MEMP_NOERROR 0x00000020 #define DB_STAT_SUBSYSTEM 0x00000002 #define DB_STAT_SUMMARY 0x00000010 #define DB_ST_DUPOK 0x00000200 #define DB_ST_DUPSET 0x00000400 #define DB_ST_DUPSORT 0x00000800 #define DB_ST_IS_RECNO 0x00001000 #define DB_ST_OVFL_LEAF 0x00002000 #define DB_ST_RECNUM 0x00004000 #define DB_ST_RELEN 0x00008000 #define DB_ST_TOPLEVEL 0x00010000 #define DB_SYSTEM_MEM 0x00080000 #define DB_THREAD 0x00000020 #define DB_TIME_NOTGRANTED 0x00040000 #define DB_TRUNCATE 0x00020000 #define DB_TXN_BULK 0x00000010 #define DB_TXN_FAMILY 0x00000040 #define DB_TXN_NOSYNC 0x00000001 #define DB_TXN_NOT_DURABLE 0x00000004 #define DB_TXN_NOWAIT 0x00000002 #define DB_TXN_SNAPSHOT 0x00000004 #define DB_TXN_SYNC 0x00000008 #define DB_TXN_WAIT 0x00000080 #define DB_TXN_WRITE_NOSYNC 0x00000020 #define DB_UNREF 0x00020000 #define DB_UPGRADE 0x00000001 #define DB_USE_ENVIRON 0x00000004 #define DB_USE_ENVIRON_ROOT 0x00000008 #define DB_VERB_BACKUP 0x00000001 #define DB_VERB_DEADLOCK 0x00000002 #define DB_VERB_FILEOPS 0x00000004 #define DB_VERB_FILEOPS_ALL 0x00000008 #define DB_VERB_RECOVERY 0x00000010 #define DB_VERB_REGISTER 0x00000020 #define DB_VERB_REPLICATION 0x00000040 #define DB_VERB_REPMGR_CONNFAIL 0x00000080 #define DB_VERB_REPMGR_MISC 0x00000100 #define DB_VERB_REP_ELECT 0x00000200 #define DB_VERB_REP_LEASE 0x00000400 #define DB_VERB_REP_MISC 0x00000800 #define DB_VERB_REP_MSGS 0x00001000 #define DB_VERB_REP_SYNC 0x00002000 #define DB_VERB_REP_SYSTEM 0x00004000 #define DB_VERB_REP_TEST 0x00008000 #define DB_VERB_WAITSFOR 0x00010000 #define DB_VERIFY 0x00000002 #define DB_VERIFY_PARTITION 0x00040000 #define DB_WRITECURSOR 0x00000010 #define DB_WRITELOCK 0x00000020 #define DB_WRITEOPEN 0x00040000 #define DB_XA_CREATE 0x00000001 #define DB_YIELDCPU 0x00080000 /* DO NOT EDIT: automatically built by dist/s_include. */ #ifndef _DB_EXT_PROT_IN_ #define _DB_EXT_PROT_IN_ #if defined(__cplusplus) extern "C" { #endif int db_copy __P((DB_ENV *, const char *, const char *, const char *)); int db_create __P((DB **, DB_ENV *, u_int32_t)); char *db_strerror __P((int)); int db_env_set_func_assert __P((void (*)(const char *, const char *, int))); int db_env_set_func_close __P((int (*)(int))); int db_env_set_func_dirfree __P((void (*)(char **, int))); int db_env_set_func_dirlist __P((int (*)(const char *, char ***, int *))); int db_env_set_func_exists __P((int (*)(const char *, int *))); int db_env_set_func_free __P((void (*)(void *))); int db_env_set_func_fsync __P((int (*)(int))); int db_env_set_func_ftruncate __P((int (*)(int, off_t))); int db_env_set_func_ioinfo __P((int (*)(const char *, int, u_int32_t *, u_int32_t *, u_int32_t *))); int db_env_set_func_malloc __P((void *(*)(size_t))); int db_env_set_func_file_map __P((int (*)(DB_ENV *, char *, size_t, int, void **), int (*)(DB_ENV *, void *))); int db_env_set_func_region_map __P((int (*)(DB_ENV *, char *, size_t, int *, void **), int (*)(DB_ENV *, void *))); int db_env_set_func_pread __P((ssize_t (*)(int, void *, size_t, off_t))); int db_env_set_func_pwrite __P((ssize_t (*)(int, const void *, size_t, off_t))); int db_env_set_func_open __P((int (*)(const char *, int, ...))); int db_env_set_func_read __P((ssize_t (*)(int, void *, size_t))); int db_env_set_func_realloc __P((void *(*)(void *, size_t))); int db_env_set_func_rename __P((int (*)(const char *, const char *))); int db_env_set_func_seek __P((int (*)(int, off_t, int))); int db_env_set_func_unlink __P((int (*)(const char *))); int db_env_set_func_write __P((ssize_t (*)(int, const void *, size_t))); int db_env_set_func_yield __P((int (*)(u_long, u_long))); int db_env_create __P((DB_ENV **, u_int32_t)); char *db_version __P((int *, int *, int *)); char *db_full_version __P((int *, int *, int *, int *, int *)); int log_compare __P((const DB_LSN *, const DB_LSN *)); #if defined(DB_WIN32) && !defined(DB_WINCE) int db_env_set_win_security __P((SECURITY_ATTRIBUTES *sa)); #endif int db_sequence_create __P((DB_SEQUENCE **, DB *, u_int32_t)); #if DB_DBM_HSEARCH != 0 int __db_ndbm_clearerr __P((DBM *)); void __db_ndbm_close __P((DBM *)); int __db_ndbm_delete __P((DBM *, datum)); int __db_ndbm_dirfno __P((DBM *)); int __db_ndbm_error __P((DBM *)); datum __db_ndbm_fetch __P((DBM *, datum)); datum __db_ndbm_firstkey __P((DBM *)); datum __db_ndbm_nextkey __P((DBM *)); DBM *__db_ndbm_open __P((const char *, int, int)); int __db_ndbm_pagfno __P((DBM *)); int __db_ndbm_rdonly __P((DBM *)); int __db_ndbm_store __P((DBM *, datum, datum, int)); int __db_dbm_close __P((void)); int __db_dbm_delete __P((datum)); datum __db_dbm_fetch __P((datum)); datum __db_dbm_firstkey __P((void)); int __db_dbm_init __P((char *)); datum __db_dbm_nextkey __P((datum)); int __db_dbm_store __P((datum, datum)); #endif #if DB_DBM_HSEARCH != 0 int __db_hcreate __P((size_t)); ENTRY *__db_hsearch __P((ENTRY, ACTION)); void __db_hdestroy __P((void)); #endif #if defined(__cplusplus) } #endif #endif /* !_DB_EXT_PROT_IN_ */

JMDS TRACK Cameroon

Boost the productivity of your mobile ressources

Make An Appointment

Fleet management

Reduce the operting cost and the unavailability of your vehicles
reduce the fuel consumption of your fleet
Improve the driving dehavior and safety of your drivers
optimize the utilization rate of your equipment
protect your vehicle against theft
Improve the quality of your customer service

Find out more

Assets management

Track the roaming of your equipment
Optimise the management of your assets on site and during transport
Secure the transport of your goods
Make your team responsible for preventing the loss of tools, equipment
Take a real-time inventory of your equipment on site
Easily find your mobile objects or equipment

Find out more

Find out more

Antitheft solutions

Secure your vehicles and machinery and increase your chances of recovering them in the event of theft
Protect your assets and reduce the costs associated with their loss
Combine immobiliser and driver identification and limit the risk of theft
Identify fuel theft and reduce costs
Protect your goods and take no more risks
Be alerted to abnormal events

Our Location

Douala BP cité

and

Yaoundé Total Essos

Make An Appointment

Get Directions

682230363/ 677481892

What makes us different from others

young and dynamic team
call center 24/24 7/7
roaming throughout Africa
team of developers who can develop customer-specific solutions
diversity of services
reactive and prompt after-sales service when soliciting a customer or a malfunction
Free Maintenance and installation in the cities of Douala and Yaounde

https://youtu.be/xI1cz_Jh2x8

15+
years of experience in GPS system development, production and deployment.

15 Collaborators

More than 15 employees dedicated to the research and development of new applications and to customer care

5 000 Vehicles and mobile assets

5 000 vehicles and mobile assets under management, in Africa

Our Partners

Latest Case Studies

Our current projects

Our stand at the Yaoundé trade fair

Installation of solar-powered multi-beam wireless active infrared detectors at SABC

Vector now available

Introducing JMDS Track solutions to our partners

One of our professional technician installing a GPS at Cami Toyota

 5/5
Bon SAV , SATISFAIT DU TRAITEMENT DES REQUETES

M DIPITA CHRISTIAN
Logistic Safety Manager Road Safety Manager
 5/5
La réactivité de JMDS est excellente
Nous restons satisfait dans l’ensemble des prestations relatives a la couverture de notre parc automobile

Hervé Frédéric NDENGUE
Chef Service Adjoint de la Sécurité Générale (CNPS)
 5/5
L’APPLICATION EMIXIS est convivial A L’utilisation
BEIG-3 SARL
DIRECTOR GENERAL
 5/5
Nevertheless I am delighted with the service
MR. BISSE BENJAMIN
CUSTOMER