diff options
Diffstat (limited to 'bdb/cxx/cxx_env.cpp')
| -rw-r--r-- | bdb/cxx/cxx_env.cpp | 802 |
1 files changed, 0 insertions, 802 deletions
diff --git a/bdb/cxx/cxx_env.cpp b/bdb/cxx/cxx_env.cpp deleted file mode 100644 index c78c6e9fa47..00000000000 --- a/bdb/cxx/cxx_env.cpp +++ /dev/null @@ -1,802 +0,0 @@ -/*- - * See the file LICENSE for redistribution information. - * - * Copyright (c) 1997-2002 - * Sleepycat Software. All rights reserved. - */ - -#include "db_config.h" - -#ifndef lint -static const char revid[] = "$Id: cxx_env.cpp,v 11.88 2002/08/26 22:13:36 mjc Exp $"; -#endif /* not lint */ - -#include <errno.h> -#include <stdio.h> // needed for set_error_stream -#include <string.h> - -#include "db_cxx.h" -#include "dbinc/cxx_int.h" - -#include "db_int.h" -#include "dbinc_auto/common_ext.h" - -#ifdef HAVE_CXX_STDHEADERS -using std::cerr; -#endif - -// Helper macros for simple methods that pass through to the -// underlying C method. They may return an error or raise an exception. -// These macros expect that input _argspec is an argument -// list element (e.g., "char *arg") and that _arglist is the arguments -// that should be passed through to the C method (e.g., "(dbenv, arg)") -// -#define DBENV_METHOD_ERR(_name, _argspec, _arglist, _on_err) \ -int DbEnv::_name _argspec \ -{ \ - DB_ENV *dbenv = unwrap(this); \ - int ret; \ - \ - if ((ret = dbenv->_name _arglist) != 0) { \ - _on_err; \ - } \ - return (ret); \ -} - -#define DBENV_METHOD(_name, _argspec, _arglist) \ - DBENV_METHOD_ERR(_name, _argspec, _arglist, \ - DB_ERROR("DbEnv::" # _name, ret, error_policy())) - -#define DBENV_METHOD_QUIET(_name, _argspec, _arglist) \ -int DbEnv::_name _argspec \ -{ \ - DB_ENV *dbenv = unwrap(this); \ - \ - return (dbenv->_name _arglist); \ -} - -#define DBENV_METHOD_VOID(_name, _argspec, _arglist) \ -void DbEnv::_name _argspec \ -{ \ - DB_ENV *dbenv = unwrap(this); \ - \ - dbenv->_name _arglist; \ -} - -// This datatype is needed for picky compilers. -// -extern "C" { - typedef void (*db_errcall_fcn_type) - (const char *, char *); -}; - -// The reason for a static variable is that some structures -// (like Dbts) have no connection to any Db or DbEnv, so when -// errors occur in their methods, we must have some reasonable -// way to determine whether to throw or return errors. -// -// This variable is taken from flags whenever a DbEnv is constructed. -// Normally there is only one DbEnv per program, and even if not, -// there is typically a single policy of throwing or returning. -// -static int last_known_error_policy = ON_ERROR_UNKNOWN; - -__DB_OSTREAMCLASS *DbEnv::error_stream_ = 0; - -// These 'glue' function are declared as extern "C" so they will -// be compatible with picky compilers that do not allow mixing -// of function pointers to 'C' functions with function pointers -// to C++ functions. -// -extern "C" -void _feedback_intercept_c(DB_ENV *env, int opcode, int pct) -{ - DbEnv::_feedback_intercept(env, opcode, pct); -} - -extern "C" -void _paniccall_intercept_c(DB_ENV *env, int errval) -{ - DbEnv::_paniccall_intercept(env, errval); -} - -extern "C" -void _stream_error_function_c(const char *prefix, char *message) -{ - DbEnv::_stream_error_function(prefix, message); -} - -extern "C" -int _app_dispatch_intercept_c(DB_ENV *env, DBT *dbt, - DB_LSN *lsn, db_recops op) -{ - return (DbEnv::_app_dispatch_intercept(env, dbt, lsn, op)); -} - -extern "C" -int _rep_send_intercept_c(DB_ENV *env, const DBT *cntrl, - const DBT *data, int id, u_int32_t flags) -{ - return (DbEnv::_rep_send_intercept(env, - cntrl, data, id, flags)); -} - -void DbEnv::_feedback_intercept(DB_ENV *env, int opcode, int pct) -{ - if (env == 0) { - DB_ERROR("DbEnv::feedback_callback", EINVAL, ON_ERROR_UNKNOWN); - return; - } - DbEnv *cxxenv = (DbEnv *)env->api1_internal; - if (cxxenv == 0) { - DB_ERROR("DbEnv::feedback_callback", EINVAL, ON_ERROR_UNKNOWN); - return; - } - if (cxxenv->feedback_callback_ == 0) { - DB_ERROR("DbEnv::feedback_callback", EINVAL, - cxxenv->error_policy()); - return; - } - (*cxxenv->feedback_callback_)(cxxenv, opcode, pct); -} - -void DbEnv::_paniccall_intercept(DB_ENV *env, int errval) -{ - if (env == 0) { - DB_ERROR("DbEnv::paniccall_callback", EINVAL, - ON_ERROR_UNKNOWN); - } - DbEnv *cxxenv = (DbEnv *)env->api1_internal; - if (cxxenv == 0) { - DB_ERROR("DbEnv::paniccall_callback", EINVAL, - ON_ERROR_UNKNOWN); - } - if (cxxenv->paniccall_callback_ == 0) { - DB_ERROR("DbEnv::paniccall_callback", EINVAL, - cxxenv->error_policy()); - } - (*cxxenv->paniccall_callback_)(cxxenv, errval); -} - -int DbEnv::_app_dispatch_intercept(DB_ENV *env, DBT *dbt, - DB_LSN *lsn, db_recops op) -{ - if (env == 0) { - DB_ERROR("DbEnv::app_dispatch_callback", - EINVAL, ON_ERROR_UNKNOWN); - return (EINVAL); - } - DbEnv *cxxenv = (DbEnv *)env->api1_internal; - if (cxxenv == 0) { - DB_ERROR("DbEnv::app_dispatch_callback", - EINVAL, ON_ERROR_UNKNOWN); - return (EINVAL); - } - if (cxxenv->app_dispatch_callback_ == 0) { - DB_ERROR("DbEnv::app_dispatch_callback", - EINVAL, cxxenv->error_policy()); - return (EINVAL); - } - Dbt *cxxdbt = (Dbt *)dbt; - DbLsn *cxxlsn = (DbLsn *)lsn; - return ((*cxxenv->app_dispatch_callback_)(cxxenv, cxxdbt, cxxlsn, op)); -} - -int DbEnv::_rep_send_intercept(DB_ENV *env, const DBT *cntrl, - const DBT *data, int id, u_int32_t flags) -{ - - if (env == 0) { - DB_ERROR("DbEnv::rep_send_callback", EINVAL, ON_ERROR_UNKNOWN); - return (EINVAL); - } - DbEnv *cxxenv = (DbEnv *)env->api1_internal; - if (cxxenv == 0) { - DB_ERROR("DbEnv::rep_send_callback", EINVAL, ON_ERROR_UNKNOWN); - return (EINVAL); - } - const Dbt *cxxcntrl = (const Dbt *)cntrl; - Dbt *cxxdata = (Dbt *)data; - return ((*cxxenv->rep_send_callback_)(cxxenv, - cxxcntrl, cxxdata, id, flags)); -} - -// A truism for the DbEnv object is that there is a valid -// DB_ENV handle from the constructor until close(). -// After the close, the DB_ENV handle is invalid and -// no operations are permitted on the DbEnv (other than -// destructor). Leaving the DbEnv handle open and not -// doing a close is generally considered an error. -// -// We used to allow DbEnv objects to be closed and reopened. -// This implied always keeping a valid DB_ENV object, and -// coordinating the open objects between Db/DbEnv turned -// out to be overly complicated. Now we do not allow this. - -DbEnv::DbEnv(u_int32_t flags) -: imp_(0) -, construct_error_(0) -, construct_flags_(flags) -, app_dispatch_callback_(0) -, feedback_callback_(0) -, paniccall_callback_(0) -, pgin_callback_(0) -, pgout_callback_(0) -, rep_send_callback_(0) -{ - if ((construct_error_ = initialize(0)) != 0) - DB_ERROR("DbEnv::DbEnv", construct_error_, error_policy()); -} - -DbEnv::DbEnv(DB_ENV *env, u_int32_t flags) -: imp_(0) -, construct_error_(0) -, construct_flags_(flags) -, app_dispatch_callback_(0) -, feedback_callback_(0) -, paniccall_callback_(0) -, pgin_callback_(0) -, pgout_callback_(0) -, rep_send_callback_(0) -{ - if ((construct_error_ = initialize(env)) != 0) - DB_ERROR("DbEnv::DbEnv", construct_error_, error_policy()); -} - -// If the DB_ENV handle is still open, we close it. This is to make stack -// allocation of DbEnv objects easier so that they are cleaned up in the error -// path. Note that the C layer catches cases where handles are open in the -// environment at close time and reports an error. Applications should call -// close explicitly in normal (non-exceptional) cases to check the return -// value. -// -DbEnv::~DbEnv() -{ - DB_ENV *env = unwrap(this); - - if (env != NULL) { - cleanup(); - (void)env->close(env, 0); - } -} - -// called by destructors before the DB_ENV is destroyed. -void DbEnv::cleanup() -{ - DB_ENV *env = unwrap(this); - - if (env != NULL) { - env->api1_internal = 0; - imp_ = 0; - } -} - -int DbEnv::close(u_int32_t flags) -{ - int ret; - DB_ENV *env = unwrap(this); - - // after a close (no matter if success or failure), - // the underlying DB_ENV object must not be accessed, - // so we clean up in advance. - // - cleanup(); - - // It's safe to throw an error after the close, - // since our error mechanism does not peer into - // the DB* structures. - // - if ((ret = env->close(env, flags)) != 0) - DB_ERROR("DbEnv::close", ret, error_policy()); - - return (ret); -} - -DBENV_METHOD(dbremove, - (DbTxn *txn, const char *name, const char *subdb, u_int32_t flags), - (dbenv, unwrap(txn), name, subdb, flags)) -DBENV_METHOD(dbrename, (DbTxn *txn, const char *name, const char *subdb, - const char *newname, u_int32_t flags), - (dbenv, unwrap(txn), name, subdb, newname, flags)) - -void DbEnv::err(int error, const char *format, ...) -{ - DB_ENV *env = unwrap(this); - - DB_REAL_ERR(env, error, 1, 1, format); -} - -// Return a tristate value corresponding to whether we should -// throw exceptions on errors: -// ON_ERROR_RETURN -// ON_ERROR_THROW -// ON_ERROR_UNKNOWN -// -int DbEnv::error_policy() -{ - if ((construct_flags_ & DB_CXX_NO_EXCEPTIONS) != 0) { - return (ON_ERROR_RETURN); - } - else { - return (ON_ERROR_THROW); - } -} - -void DbEnv::errx(const char *format, ...) -{ - DB_ENV *env = unwrap(this); - - DB_REAL_ERR(env, 0, 0, 1, format); -} - -void *DbEnv::get_app_private() const -{ - return unwrapConst(this)->app_private; -} - -// used internally during constructor -// to associate an existing DB_ENV with this DbEnv, -// or create a new one. -// -int DbEnv::initialize(DB_ENV *env) -{ - int ret; - - last_known_error_policy = error_policy(); - - if (env == 0) { - // Create a new DB_ENV environment. - if ((ret = ::db_env_create(&env, - construct_flags_ & ~DB_CXX_NO_EXCEPTIONS)) != 0) - return (ret); - } - imp_ = wrap(env); - env->api1_internal = this; // for DB_ENV* to DbEnv* conversion - return (0); -} - -// lock methods -DBENV_METHOD(lock_detect, (u_int32_t flags, u_int32_t atype, int *aborted), - (dbenv, flags, atype, aborted)) -DBENV_METHOD_ERR(lock_get, - (u_int32_t locker, u_int32_t flags, const Dbt *obj, - db_lockmode_t lock_mode, DbLock *lock), - (dbenv, locker, flags, obj, lock_mode, &lock->lock_), - DbEnv::runtime_error_lock_get("DbEnv::lock_get", ret, - DB_LOCK_GET, lock_mode, obj, *lock, - -1, error_policy())) -DBENV_METHOD(lock_id, (u_int32_t *idp), (dbenv, idp)) -DBENV_METHOD(lock_id_free, (u_int32_t id), (dbenv, id)) -DBENV_METHOD(lock_put, (DbLock *lock), (dbenv, &lock->lock_)) -DBENV_METHOD(lock_stat, (DB_LOCK_STAT **statp, u_int32_t flags), - (dbenv, statp, flags)) -DBENV_METHOD_ERR(lock_vec, - (u_int32_t locker, u_int32_t flags, DB_LOCKREQ list[], - int nlist, DB_LOCKREQ **elist_returned), - (dbenv, locker, flags, list, nlist, elist_returned), - DbEnv::runtime_error_lock_get("DbEnv::lock_vec", ret, - (*elist_returned)->op, (*elist_returned)->mode, - Dbt::get_Dbt((*elist_returned)->obj), DbLock((*elist_returned)->lock), - (*elist_returned) - list, error_policy())) -// log methods -DBENV_METHOD(log_archive, (char **list[], u_int32_t flags), - (dbenv, list, flags)) - -int DbEnv::log_compare(const DbLsn *lsn0, const DbLsn *lsn1) -{ - return (::log_compare(lsn0, lsn1)); -} - -// The following cast implies that DbLogc can be no larger than DB_LOGC -DBENV_METHOD(log_cursor, (DbLogc **cursorp, u_int32_t flags), - (dbenv, (DB_LOGC **)cursorp, flags)) -DBENV_METHOD(log_file, (DbLsn *lsn, char *namep, size_t len), - (dbenv, lsn, namep, len)) -DBENV_METHOD(log_flush, (const DbLsn *lsn), (dbenv, lsn)) -DBENV_METHOD(log_put, (DbLsn *lsn, const Dbt *data, u_int32_t flags), - (dbenv, lsn, data, flags)) -DBENV_METHOD(log_stat, (DB_LOG_STAT **spp, u_int32_t flags), - (dbenv, spp, flags)) - -int DbEnv::memp_fcreate(DbMpoolFile **dbmfp, u_int32_t flags) -{ - DB_ENV *env = unwrap(this); - int ret; - DB_MPOOLFILE *mpf; - - if (env == NULL) - ret = EINVAL; - else - ret = env->memp_fcreate(env, &mpf, flags); - - if (DB_RETOK_STD(ret)) { - *dbmfp = new DbMpoolFile(); - (*dbmfp)->imp_ = wrap(mpf); - } else - DB_ERROR("DbMpoolFile::f_create", ret, ON_ERROR_UNKNOWN); - - return (ret); -} - -DBENV_METHOD(memp_register, - (int ftype, pgin_fcn_type pgin_fcn, pgout_fcn_type pgout_fcn), - (dbenv, ftype, pgin_fcn, pgout_fcn)) - -// memory pool methods -DBENV_METHOD(memp_stat, - (DB_MPOOL_STAT **gsp, DB_MPOOL_FSTAT ***fsp, u_int32_t flags), - (dbenv, gsp, fsp, flags)) - -DBENV_METHOD(memp_sync, (DbLsn *sn), (dbenv, sn)) - -DBENV_METHOD(memp_trickle, (int pct, int *nwrotep), (dbenv, pct, nwrotep)) - -// If an error occurred during the constructor, report it now. -// Otherwise, call the underlying DB->open method. -// -int DbEnv::open(const char *db_home, u_int32_t flags, int mode) -{ - int ret; - DB_ENV *env = unwrap(this); - - if (construct_error_ != 0) - ret = construct_error_; - else - ret = env->open(env, db_home, flags, mode); - - if (!DB_RETOK_STD(ret)) - DB_ERROR("DbEnv::open", ret, error_policy()); - - return (ret); -} - -int DbEnv::remove(const char *db_home, u_int32_t flags) -{ - int ret; - DB_ENV *env = unwrap(this); - - // after a remove (no matter if success or failure), - // the underlying DB_ENV object must not be accessed, - // so we clean up in advance. - // - cleanup(); - - if ((ret = env->remove(env, db_home, flags)) != 0) - DB_ERROR("DbEnv::remove", ret, error_policy()); - - return (ret); -} - -// Report an error associated with the DbEnv. -// error_policy is one of: -// ON_ERROR_THROW throw an error -// ON_ERROR_RETURN do nothing here, the caller will return an error -// ON_ERROR_UNKNOWN defer the policy to policy saved in DbEnv::DbEnv -// -void DbEnv::runtime_error(const char *caller, int error, int error_policy) -{ - if (error_policy == ON_ERROR_UNKNOWN) - error_policy = last_known_error_policy; - if (error_policy == ON_ERROR_THROW) { - // Creating and throwing the object in two separate - // statements seems to be necessary for HP compilers. - switch (error) { - case DB_LOCK_DEADLOCK: - { - DbDeadlockException dl_except(caller); - throw dl_except; - } - break; - case DB_RUNRECOVERY: - { - DbRunRecoveryException rr_except(caller); - throw rr_except; - } - break; - default: - { - DbException except(caller, error); - throw except; - } - break; - } - } -} - -// Like DbEnv::runtime_error, but issue a DbMemoryException -// based on the fact that this Dbt is not large enough. -void DbEnv::runtime_error_dbt(const char *caller, Dbt *dbt, int error_policy) -{ - if (error_policy == ON_ERROR_UNKNOWN) - error_policy = last_known_error_policy; - if (error_policy == ON_ERROR_THROW) { - // Creating and throwing the object in two separate - // statements seems to be necessary for HP compilers. - DbMemoryException except(caller, dbt); - throw except; - } -} - -// Like DbEnv::runtime_error, but issue a DbLockNotGrantedException, -// or a regular runtime error. -// call regular runtime_error if it -void DbEnv::runtime_error_lock_get(const char *caller, int error, - db_lockop_t op, db_lockmode_t mode, const Dbt *obj, - DbLock lock, int index, int error_policy) -{ - if (error != DB_LOCK_NOTGRANTED) { - runtime_error(caller, error, error_policy); - return; - } - - if (error_policy == ON_ERROR_UNKNOWN) - error_policy = last_known_error_policy; - if (error_policy == ON_ERROR_THROW) { - // Creating and throwing the object in two separate - // statements seems to be necessary for HP compilers. - DbLockNotGrantedException except(caller, op, mode, - obj, lock, index); - throw except; - } -} - -// static method -char *DbEnv::strerror(int error) -{ - return (db_strerror(error)); -} - -void DbEnv::_stream_error_function(const char *prefix, char *message) -{ - // HP compilers need the extra casts, we don't know why. - if (error_stream_) { - if (prefix) { - (*error_stream_) << prefix << (const char *)": "; - } - if (message) { - (*error_stream_) << (const char *)message; - } - (*error_stream_) << (const char *)"\n"; - } -} - -// set methods - -DBENV_METHOD_VOID(set_errfile, (FILE *errfile), (dbenv, errfile)) -DBENV_METHOD_VOID(set_errpfx, (const char *errpfx), (dbenv, errpfx)) - -// We keep these alphabetical by field name, -// for comparison with Java's list. -// -DBENV_METHOD(set_data_dir, (const char *dir), (dbenv, dir)) -DBENV_METHOD(set_encrypt, (const char *passwd, int flags), - (dbenv, passwd, flags)) -DBENV_METHOD(set_lg_bsize, (u_int32_t bsize), (dbenv, bsize)) -DBENV_METHOD(set_lg_dir, (const char *dir), (dbenv, dir)) -DBENV_METHOD(set_lg_max, (u_int32_t max), (dbenv, max)) -DBENV_METHOD(set_lg_regionmax, (u_int32_t regionmax), (dbenv, regionmax)) -DBENV_METHOD(set_lk_detect, (u_int32_t detect), (dbenv, detect)) -DBENV_METHOD(set_lk_max, (u_int32_t max), (dbenv, max)) -DBENV_METHOD(set_lk_max_lockers, (u_int32_t max_lockers), (dbenv, max_lockers)) -DBENV_METHOD(set_lk_max_locks, (u_int32_t max_locks), (dbenv, max_locks)) -DBENV_METHOD(set_lk_max_objects, (u_int32_t max_objects), (dbenv, max_objects)) -DBENV_METHOD(set_mp_mmapsize, (size_t mmapsize), (dbenv, mmapsize)) -DBENV_METHOD(set_tmp_dir, (const char *tmp_dir), (dbenv, tmp_dir)) -DBENV_METHOD(set_tx_max, (u_int32_t tx_max), (dbenv, tx_max)) - -DBENV_METHOD_QUIET(set_alloc, - (db_malloc_fcn_type malloc_fcn, db_realloc_fcn_type realloc_fcn, - db_free_fcn_type free_fcn), - (dbenv, malloc_fcn, realloc_fcn, free_fcn)) - -void DbEnv::set_app_private(void *value) -{ - unwrap(this)->app_private = value; -} - -DBENV_METHOD(set_cachesize, - (u_int32_t gbytes, u_int32_t bytes, int ncache), - (dbenv, gbytes, bytes, ncache)) - -void DbEnv::set_errcall(void (*arg)(const char *, char *)) -{ - DB_ENV *dbenv = unwrap(this); - - // XXX - // We are casting from a function ptr declared with C++ - // linkage to one (same arg types) declared with C - // linkage. It's hard to imagine a pair of C/C++ - // compilers from the same vendor for which this - // won't work. Unfortunately, we can't use a - // intercept function like the others since the - // function does not have a (DbEnv*) as one of - // the args. If this causes trouble, we can pull - // the same trick we use in Java, namely stuffing - // a (DbEnv*) pointer into the prefix. We're - // avoiding this for the moment because it obfuscates. - // - (*(dbenv->set_errcall))(dbenv, (db_errcall_fcn_type)arg); -} - -// Note: This actually behaves a bit like a static function, -// since DB_ENV.db_errcall has no information about which -// db_env triggered the call. A user that has multiple DB_ENVs -// will simply not be able to have different streams for each one. -// -void DbEnv::set_error_stream(__DB_OSTREAMCLASS *stream) -{ - DB_ENV *dbenv = unwrap(this); - - error_stream_ = stream; - dbenv->set_errcall(dbenv, (stream == 0) ? 0 : - _stream_error_function_c); -} - -int DbEnv::set_feedback(void (*arg)(DbEnv *, int, int)) -{ - DB_ENV *dbenv = unwrap(this); - - feedback_callback_ = arg; - - return ((*(dbenv->set_feedback))(dbenv, _feedback_intercept_c)); -} - -DBENV_METHOD(set_flags, (u_int32_t flags, int onoff), (dbenv, flags, onoff)) -DBENV_METHOD(set_lk_conflicts, (u_int8_t *lk_conflicts, int lk_max), - (dbenv, lk_conflicts, lk_max)) - -int DbEnv::set_paniccall(void (*arg)(DbEnv *, int)) -{ - DB_ENV *dbenv = unwrap(this); - - paniccall_callback_ = arg; - - return ((*(dbenv->set_paniccall))(dbenv, _paniccall_intercept_c)); -} - -DBENV_METHOD(set_rpc_server, - (void *cl, char *host, long tsec, long ssec, u_int32_t flags), - (dbenv, cl, host, tsec, ssec, flags)) -DBENV_METHOD(set_shm_key, (long shm_key), (dbenv, shm_key)) -// Note: this changes from last_known_error_policy to error_policy() -DBENV_METHOD(set_tas_spins, (u_int32_t arg), (dbenv, arg)) - -int DbEnv::set_app_dispatch - (int (*arg)(DbEnv *, Dbt *, DbLsn *, db_recops)) -{ - DB_ENV *dbenv = unwrap(this); - int ret; - - app_dispatch_callback_ = arg; - if ((ret = (*(dbenv->set_app_dispatch))(dbenv, - _app_dispatch_intercept_c)) != 0) - DB_ERROR("DbEnv::set_app_dispatch", ret, error_policy()); - - return (ret); -} - -DBENV_METHOD(set_tx_timestamp, (time_t *timestamp), (dbenv, timestamp)) -DBENV_METHOD(set_verbose, (u_int32_t which, int onoff), (dbenv, which, onoff)) - -int DbEnv::txn_begin(DbTxn *pid, DbTxn **tid, u_int32_t flags) -{ - DB_ENV *env = unwrap(this); - DB_TXN *txn; - int ret; - - ret = env->txn_begin(env, unwrap(pid), &txn, flags); - if (DB_RETOK_STD(ret)) - *tid = new DbTxn(txn); - else - DB_ERROR("DbEnv::txn_begin", ret, error_policy()); - - return (ret); -} - -DBENV_METHOD(txn_checkpoint, (u_int32_t kbyte, u_int32_t min, u_int32_t flags), - (dbenv, kbyte, min, flags)) - -int DbEnv::txn_recover(DbPreplist *preplist, long count, - long *retp, u_int32_t flags) -{ - DB_ENV *dbenv = unwrap(this); - DB_PREPLIST *c_preplist; - long i; - int ret; - - /* - * We need to allocate some local storage for the - * returned preplist, and that requires us to do - * our own argument validation. - */ - if (count <= 0) - ret = EINVAL; - else - ret = __os_malloc(dbenv, sizeof(DB_PREPLIST) * count, - &c_preplist); - - if (ret != 0) { - DB_ERROR("DbEnv::txn_recover", ret, error_policy()); - return (ret); - } - - if ((ret = - dbenv->txn_recover(dbenv, c_preplist, count, retp, flags)) != 0) { - __os_free(dbenv, c_preplist); - DB_ERROR("DbEnv::txn_recover", ret, error_policy()); - return (ret); - } - - for (i = 0; i < *retp; i++) { - preplist[i].txn = new DbTxn(); - preplist[i].txn->imp_ = wrap(c_preplist[i].txn); - memcpy(preplist[i].gid, c_preplist[i].gid, - sizeof(preplist[i].gid)); - } - - __os_free(dbenv, c_preplist); - - return (0); -} - -DBENV_METHOD(txn_stat, (DB_TXN_STAT **statp, u_int32_t flags), - (dbenv, statp, flags)) - -int DbEnv::set_rep_transport(u_int32_t myid, - int (*f_send)(DbEnv *, const Dbt *, const Dbt *, int, u_int32_t)) -{ - DB_ENV *dbenv = unwrap(this); - int ret; - - rep_send_callback_ = f_send; - if ((ret = dbenv->set_rep_transport(dbenv, - myid, _rep_send_intercept_c)) != 0) - DB_ERROR("DbEnv::set_rep_transport", ret, error_policy()); - - return (ret); -} - -DBENV_METHOD(rep_elect, - (int nsites, int pri, u_int32_t timeout, int *idp), - (dbenv, nsites, pri, timeout, idp)) - -int DbEnv::rep_process_message(Dbt *control, Dbt *rec, int *idp) -{ - DB_ENV *dbenv = unwrap(this); - int ret; - - ret = dbenv->rep_process_message(dbenv, control, rec, idp); - if (!DB_RETOK_REPPMSG(ret)) - DB_ERROR("DbEnv::rep_process_message", ret, error_policy()); - - return (ret); -} - -DBENV_METHOD(rep_start, - (Dbt *cookie, u_int32_t flags), - (dbenv, (DBT *)cookie, flags)) - -DBENV_METHOD(rep_stat, (DB_REP_STAT **statp, u_int32_t flags), - (dbenv, statp, flags)) - -DBENV_METHOD(set_rep_limit, (u_int32_t gbytes, u_int32_t bytes), - (dbenv, gbytes, bytes)) - -DBENV_METHOD(set_timeout, - (db_timeout_t timeout, u_int32_t flags), - (dbenv, timeout, flags)) - -// static method -char *DbEnv::version(int *major, int *minor, int *patch) -{ - return (db_version(major, minor, patch)); -} - -// static method -DbEnv *DbEnv::wrap_DB_ENV(DB_ENV *dbenv) -{ - DbEnv *wrapped_env = get_DbEnv(dbenv); - if (wrapped_env == NULL) - wrapped_env = new DbEnv(dbenv, 0); - return wrapped_env; -} |