diff options
Diffstat (limited to 'db2/include/db_cxx.h')
| -rw-r--r-- | db2/include/db_cxx.h | 158 |
1 files changed, 66 insertions, 92 deletions
diff --git a/db2/include/db_cxx.h b/db2/include/db_cxx.h index fc04d5d66b..f415d594b5 100644 --- a/db2/include/db_cxx.h +++ b/db2/include/db_cxx.h @@ -4,7 +4,7 @@ * Copyright (c) 1997, 1998 * Sleepycat Software. All rights reserved. * - * @(#)db_cxx.h 10.17 (Sleepycat) 5/2/98 + * @(#)db_cxx.h 10.30 (Sleepycat) 11/22/98 */ #ifndef _DB_CXX_H_ @@ -49,7 +49,8 @@ // Forward declarations // -#include "db.h" +#include <iostream.h> +#include <db.h> class Db; // forward class Dbc; // forward @@ -66,6 +67,19 @@ class Dbt; // forward class DbTxn; // forward class DbTxnMgr; // forward +// These classes are not defined here and should be invisible +// to the user, but some compilers require forward references. +// There is one for each use of the DEFINE_DB_CLASS macro. + +class DbLockTabImp; +class DbLogImp; +class DbMpoolImp; +class DbMpoolFileImp; +class DbImp; +class DbTxnImp; +class DbTxnMgrImp; + + //////////////////////////////////////////////////////////////// //////////////////////////////////////////////////////////////// // @@ -175,15 +189,11 @@ private: class _exported DbLock { - friend DbLockTab; + friend class DbLockTab; public: - DbLock(u_int); DbLock(); - u_int get_lock_id(); - void set_lock_id(u_int); - int put(DbLockTab *locktab); DbLock(const DbLock &); @@ -194,18 +204,21 @@ protected: // since its contained class is not allocated by db. // (see comment at top) + DbLock(DB_LOCK); DB_LOCK lock_; }; class _exported DbLockTab { -friend DbEnv; + friend class DbEnv; + public: int close(); int detect(u_int32_t flags, int atype); int get(u_int32_t locker, u_int32_t flags, const Dbt *obj, db_lockmode_t lock_mode, DbLock *lock); int id(u_int32_t *idp); + int stat(DB_LOCK_STAT **statp, void *(*db_malloc)(size_t)); int vec(u_int32_t locker, u_int32_t flags, DB_LOCKREQ list[], int nlist, DB_LOCKREQ **elistp); @@ -244,13 +257,14 @@ private: class _exported DbLsn : protected DB_LSN { - friend DbLog; // friendship needed to cast to base class - friend DbMpool; + friend class DbLog; // friendship needed to cast to base class + friend class DbMpool; }; class _exported DbLog { -friend DbEnv; + friend class DbEnv; + public: int archive(char **list[], u_int32_t flags, void *(*db_malloc)(size_t)); int close(); @@ -300,7 +314,8 @@ private: class _exported DbMpoolFile { -friend DbEnv; + friend class DbEnv; + public: int close(); int get(db_pgno_t *pgnoaddr, u_int32_t flags, void *pagep); @@ -337,7 +352,8 @@ private: class _exported DbMpool { -friend DbEnv; + friend class DbEnv; + public: int close(); @@ -388,7 +404,8 @@ private: class _exported DbTxnMgr { -friend DbEnv; + friend class DbEnv; + public: int begin(DbTxn *pid, DbTxn **tid); int checkpoint(u_int32_t kbyte, u_int32_t min) const; @@ -422,7 +439,8 @@ private: class _exported DbTxn { -friend DbTxnMgr; + friend class DbTxnMgr; + public: int abort(); int commit(); @@ -461,90 +479,78 @@ private: // class _exported DbInfo : protected DB_INFO { - friend DbEnv; - friend Db; + friend class DbEnv; + friend class Db; public: DbInfo(); ~DbInfo(); // Byte order. - int get_lorder() const; void set_lorder(int); // Underlying cache size. - size_t get_cachesize() const; void set_cachesize(size_t); // Underlying page size. - size_t get_pagesize() const; void set_pagesize(size_t); // Local heap allocation. typedef void *(*db_malloc_fcn)(size_t); - db_malloc_fcn get_malloc() const; void set_malloc(db_malloc_fcn); + // Duplicate compare function. + typedef int (*dup_compare_fcn)(const DBT *, const DBT *); + void set_dup_compare(dup_compare_fcn); + //////////////////////////////////////////////////////////////// // Btree access method. // Maximum keys per page. - int get_bt_maxkey() const; void set_bt_maxkey(int); // Minimum keys per page. - int get_bt_minkey() const; void set_bt_minkey(int); // Comparison function. typedef int (*bt_compare_fcn)(const DBT *, const DBT *); - bt_compare_fcn get_bt_compare() const; void set_bt_compare(bt_compare_fcn); // Prefix function. typedef size_t (*bt_prefix_fcn)(const DBT *, const DBT *); - bt_prefix_fcn get_bt_prefix() const; void set_bt_prefix(bt_prefix_fcn); //////////////////////////////////////////////////////////////// // Hash access method. // Fill factor. - u_int32_t get_h_ffactor() const; void set_h_ffactor(u_int32_t); // Number of elements. - u_int32_t get_h_nelem() const; void set_h_nelem(u_int32_t); // Hash function. typedef u_int32_t (*h_hash_fcn)(const void *, u_int32_t); - h_hash_fcn get_h_hash() const; void set_h_hash(h_hash_fcn); //////////////////////////////////////////////////////////////// // Recno access method. // Fixed-length padding byte. - int get_re_pad() const; void set_re_pad(int); // Variable-length delimiting byte. - int get_re_delim() const; void set_re_delim(int); // Length for fixed-length records. - u_int32_t get_re_len() const; void set_re_len(u_int32_t); // Source file name. - char *get_re_source() const; void set_re_source(char *); // Note: some flags are set as side effects of calling // above "set" methods. // - u_int32_t get_flags() const; void set_flags(u_int32_t); @@ -570,11 +576,11 @@ private: // class _exported DbEnv : protected DB_ENV { -friend DbTxnMgr; -friend DbLog; -friend DbLockTab; -friend DbMpool; -friend Db; + friend class DbTxnMgr; + friend class DbLog; + friend class DbLockTab; + friend class DbMpool; + friend class Db; public: @@ -603,6 +609,10 @@ public: // int appexit(); + // Version information. A static method so it can be obtained anytime. + // + static char *version(int *major, int *minor, int *patch); + //////////////////////////////////////////////////////////////// // simple get/set access methods // @@ -610,74 +620,41 @@ public: // use the default constructor along with appinit(). // Byte order. - int get_lorder() const; void set_lorder(int); + // Panic callback. + typedef void (*db_paniccall_fcn)(DbEnv *, int); + void set_paniccall(db_paniccall_fcn); + // Error message callback. typedef void (*db_errcall_fcn)(const char *, char *); - db_errcall_fcn get_errcall() const; void set_errcall(db_errcall_fcn); // Error message file stream. - FILE *get_errfile() const; void set_errfile(FILE *); // Error message prefix. - const char *get_errpfx() const; void set_errpfx(const char *); // Generate debugging messages. - int get_verbose() const; void set_verbose(int); //////////////////////////////////////////////////////////////// - // User paths. - - // Database home. - char *get_home() const; - void set_home(char *); - - // Database log file directory. - char *get_log_dir() const; - void set_log_dir(char *); - - // Database tmp file directory. - char *get_tmp_dir() const; - void set_tmp_dir(char *); - - // Database data file directories. - char **get_data_dir() const; - void set_data_dir(char **); - - // Database data file slots. - int get_data_cnt() const; - void set_data_cnt(int); - - // Next Database data file slot. - int get_data_next() const; - void set_data_next(int); - - - //////////////////////////////////////////////////////////////// // Locking. // Return from lock_open(). DbLockTab *get_lk_info() const; // Two dimensional conflict matrix. - u_int8_t *get_lk_conflicts() const; void set_lk_conflicts(u_int8_t *); // Number of lock modes in table. - int get_lk_modes() const; void set_lk_modes(int); // Maximum number of locks. - u_int32_t get_lk_max() const; void set_lk_max(u_int32_t); // Deadlock detect on every conflict. - u_int32_t get_lk_detect() const; void set_lk_detect(u_int32_t); @@ -688,7 +665,6 @@ public: DbLog *get_lg_info() const; // Maximum file size. - u_int32_t get_lg_max() const; void set_lg_max(u_int32_t); @@ -699,11 +675,9 @@ public: DbMpool *get_mp_info() const; // Maximum file size for mmap. - size_t get_mp_mmapsize() const; void set_mp_mmapsize(size_t); // Bytes in the mpool cache. - size_t get_mp_size() const; void set_mp_size(size_t); @@ -714,16 +688,13 @@ public: DbTxnMgr *get_tx_info() const; // Maximum number of transactions. - u_int32_t get_tx_max() const; void set_tx_max(u_int32_t); // Dispatch function for recovery. typedef int (*tx_recover_fcn)(DB_LOG *, DBT *, DB_LSN *, int, void *); - tx_recover_fcn get_tx_recover() const; void set_tx_recover(tx_recover_fcn); // Flags. - u_int32_t get_flags() const; void set_flags(u_int32_t); //////////////////////////////////////////////////////////////// @@ -736,7 +707,6 @@ public: // enum ErrorModel { Exception, ErrorReturn }; void set_error_model(ErrorModel); - ErrorModel get_error_model() const; // If an error is detected and the error call function // or stream is set, a message is dispatched or printed. @@ -747,11 +717,11 @@ public: // call set_error_stream() to force all errors to a C++ stream. // It is unwise to mix these approaches. // - class ostream* get_error_stream() const; void set_error_stream(class ostream*); // used internally - static int runtime_error(const char *caller, int err, int in_destructor = 0); + static int runtime_error(const char *caller, int err, + int in_destructor = 0, int force_throw = 0); private: // We can add data to this class if needed @@ -778,23 +748,27 @@ private: // class _exported Db { - friend DbEnv; + friend class DbEnv; public: int close(u_int32_t flags); - int cursor(DbTxn *txnid, Dbc **cursorp); + int cursor(DbTxn *txnid, Dbc **cursorp, u_int32_t flags); int del(DbTxn *txnid, Dbt *key, u_int32_t flags); int fd(int *fdp); int get(DbTxn *txnid, Dbt *key, Dbt *data, u_int32_t flags); + int join(Dbc **curslist, u_int32_t flags, Dbc **dbcp); int put(DbTxn *txnid, Dbt *key, Dbt *data, u_int32_t flags); int stat(void *sp, void *(*db_malloc)(size_t), u_int32_t flags); int sync(u_int32_t flags); + int get_byteswapped() const; DBTYPE get_type() const; static int open(const char *fname, DBTYPE type, u_int32_t flags, int mode, DbEnv *dbenv, DbInfo *info, Db **dbpp); + static int xa_open(const char *fname, DBTYPE type, u_int32_t flags, + int mode, DbInfo *info, Db **dbpp); private: // We can add data to this class if needed // since it is implemented via a pointer. @@ -817,11 +791,11 @@ private: // class _exported Dbt : private DBT { - friend Dbc; - friend Db; - friend DbLog; - friend DbMpoolFile; - friend DbLockTab; + friend class Dbc; + friend class Db; + friend class DbLog; + friend class DbMpoolFile; + friend class DbLockTab; public: @@ -863,7 +837,7 @@ private: class _exported Dbc : protected DBC { - friend Db; + friend class Db; public: int close(); |