Author: jesus.cea Date: Tue May 13 20:45:46 2008 New Revision: 63207 Log: bsddb module updated to version 4.6.4 Modified: python/trunk/Misc/NEWS python/trunk/Modules/_bsddb.c python/trunk/Modules/bsddb.h Modified: python/trunk/Misc/NEWS ============================================================================== --- python/trunk/Misc/NEWS (original) +++ python/trunk/Misc/NEWS Tue May 13 20:45:46 2008 @@ -25,6 +25,8 @@ - Support for Windows9x has been removed from the winsound module. +- bsddb module updated to version 4.6.4. + Library ------- Modified: python/trunk/Modules/_bsddb.c ============================================================================== --- python/trunk/Modules/_bsddb.c (original) +++ python/trunk/Modules/_bsddb.c Tue May 13 20:45:46 2008 @@ -36,7 +36,7 @@ /* * Handwritten code to wrap version 3.x of the Berkeley DB library, * written to replace a SWIG-generated file. It has since been updated - * to compile with BerkeleyDB versions 3.2 through 4.2. + * to compile with Berkeley DB versions 3.2 through 4.2. * * This module was started by Andrew Kuchling to remove the dependency * on SWIG in a package by Gregory P. Smith who based his work on a @@ -48,7 +48,10 @@ * the DB 3.x API and to build a solid unit test suite. Robin has * since gone onto other projects (wxPython). * - * Gregory P. Smith <greg@krypto.org> is once again the maintainer. + * Gregory P. Smith <greg@krypto.org> was once again the maintainer. + * + * Since January 2008, new maintainer is Jesus Cea <jcea@argo.es>. + * Jesus Cea licenses this code to PSF under a Contributor Agreement. * * Use the pybsddb-users@lists.sf.net mailing list for all questions. * Things can change faster than the header of this file is updated. This @@ -183,6 +186,10 @@ static PyObject* DBNoSuchFileError; /* ENOENT */ static PyObject* DBPermissionsError; /* EPERM */ +#if (DBVER >= 42) +static PyObject* DBRepHandleDeadError; /* DB_REP_HANDLE_DEAD */ +#endif + #if (DBVER < 43) #define DB_BUFFER_SMALL ENOMEM #endif @@ -202,6 +209,9 @@ staticforward PyTypeObject DB_Type, DBCursor_Type, DBEnv_Type, DBTxn_Type, DBLock_Type; +#if (DBVER >= 43) +staticforward PyTypeObject DBSequence_Type; +#endif #ifndef Py_TYPE /* for compatibility with Python 2.5 and earlier */ @@ -217,10 +227,77 @@ #define DBSequenceObject_Check(v) (Py_TYPE(v) == &DBSequence_Type) #endif +#if (DBVER < 46) + #define _DBC_close(dbc) dbc->c_close(dbc) + #define _DBC_count(dbc,a,b) dbc->c_count(dbc,a,b) + #define _DBC_del(dbc,a) dbc->c_del(dbc,a) + #define _DBC_dup(dbc,a,b) dbc->c_dup(dbc,a,b) + #define _DBC_get(dbc,a,b,c) dbc->c_get(dbc,a,b,c) + #define _DBC_pget(dbc,a,b,c,d) dbc->c_pget(dbc,a,b,c,d) + #define _DBC_put(dbc,a,b,c) dbc->c_put(dbc,a,b,c) +#else + #define _DBC_close(dbc) dbc->close(dbc) + #define _DBC_count(dbc,a,b) dbc->count(dbc,a,b) + #define _DBC_del(dbc,a) dbc->del(dbc,a) + #define _DBC_dup(dbc,a,b) dbc->dup(dbc,a,b) + #define _DBC_get(dbc,a,b,c) dbc->get(dbc,a,b,c) + #define _DBC_pget(dbc,a,b,c,d) dbc->pget(dbc,a,b,c,d) + #define _DBC_put(dbc,a,b,c) dbc->put(dbc,a,b,c) +#endif + /* --------------------------------------------------------------------- */ /* Utility macros and functions */ +#define INSERT_IN_DOUBLE_LINKED_LIST(backlink,object) \ + { \ + object->sibling_next=backlink; \ + object->sibling_prev_p=&(backlink); \ + backlink=object; \ + if (object->sibling_next) { \ + object->sibling_next->sibling_prev_p=&(object->sibling_next); \ + } \ + } + +#define EXTRACT_FROM_DOUBLE_LINKED_LIST(object) \ + { \ + if (object->sibling_next) { \ + object->sibling_next->sibling_prev_p=object->sibling_prev_p; \ + } \ + *(object->sibling_prev_p)=object->sibling_next; \ + } + +#define EXTRACT_FROM_DOUBLE_LINKED_LIST_MAYBE_NULL(object) \ + { \ + if (object->sibling_next) { \ + object->sibling_next->sibling_prev_p=object->sibling_prev_p; \ + } \ + if (object->sibling_prev_p) { \ + *(object->sibling_prev_p)=object->sibling_next; \ + } \ + } + +#define INSERT_IN_DOUBLE_LINKED_LIST_TXN(backlink,object) \ + { \ + object->sibling_next_txn=backlink; \ + object->sibling_prev_p_txn=&(backlink); \ + backlink=object; \ + if (object->sibling_next_txn) { \ + object->sibling_next_txn->sibling_prev_p_txn= \ + &(object->sibling_next_txn); \ + } \ + } + +#define EXTRACT_FROM_DOUBLE_LINKED_LIST_TXN(object) \ + { \ + if (object->sibling_next_txn) { \ + object->sibling_next_txn->sibling_prev_p_txn= \ + object->sibling_prev_p_txn; \ + } \ + *(object->sibling_prev_p_txn)=object->sibling_next_txn; \ + } + + #define RETURN_IF_ERR() \ if (makeDBError(err)) { \ return NULL; \ @@ -443,6 +520,66 @@ } +/* +** We need these functions because some results +** are undefined if pointer is NULL. Some other +** give None instead of "". +** +** This functions are static and will be +** -I hope- inlined. +*/ +static const char *DummyString = "This string is a simple placeholder"; +static PyObject *Build_PyString(const char *p,int s) +{ + if (!p) { + p=DummyString; + assert(s==0); + } + return PyString_FromStringAndSize(p,s); +} + +static PyObject *BuildValue_S(const void *p,int s) +{ + if (!p) { + p=DummyString; + assert(s==0); + } + return Py_BuildValue("s#",p,s); +} + +static PyObject *BuildValue_SS(const void *p1,int s1,const void *p2,int s2) +{ + if (!p1) { + p1=DummyString; + assert(s1==0); + } + if (!p2) { + p2=DummyString; + assert(s2==0); + } + return Py_BuildValue("s#s#",p1,s1,p2,s2); +} + +static PyObject *BuildValue_IS(int i,const void *p,int s) +{ + if (!p) { + p=DummyString; + assert(s==0); + } + return Py_BuildValue("is#",i,p,s); +} + +static PyObject *BuildValue_LS(long i,const void *p,int s) +{ + if (!p) { + p=DummyString; + assert(s==0); + } + return Py_BuildValue("ls#",i,p,s); +} + + + /* make a nice exception object to raise for errors. */ static int makeDBError(int err) { @@ -505,6 +642,10 @@ case ENOENT: errObj = DBNoSuchFileError; break; case EPERM : errObj = DBPermissionsError; break; +#if (DBVER >= 42) + case DB_REP_HANDLE_DEAD : errObj = DBRepHandleDeadError; break; +#endif + default: errObj = DBError; break; } @@ -608,16 +749,11 @@ flags |= extra_flags; CLEAR_DBT(key); CLEAR_DBT(data); - if (CHECK_DBFLAG(self->mydb, DB_THREAD)) { - /* Tell BerkeleyDB to malloc the return value (thread safe) */ - data.flags = DB_DBT_MALLOC; - key.flags = DB_DBT_MALLOC; - } if (!add_partial_dbt(&data, dlen, doff)) return NULL; MYDB_BEGIN_ALLOW_THREADS; - err = self->dbc->c_get(self->dbc, &key, &data, flags); + err = _DBC_get(self->dbc, &key, &data, flags); MYDB_END_ALLOW_THREADS; if ((err == DB_NOTFOUND || err == DB_KEYEMPTY) @@ -638,21 +774,15 @@ case DB_RECNO: case DB_QUEUE: - retval = Py_BuildValue("is#", *((db_recno_t*)key.data), - data.data, data.size); + retval = BuildValue_IS(*((db_recno_t*)key.data), data.data, data.size); break; case DB_HASH: case DB_BTREE: default: - retval = Py_BuildValue("s#s#", key.data, key.size, - data.data, data.size); + retval = BuildValue_SS(key.data, key.size, data.data, data.size); break; } } - if (!err) { - FREE_DBT(key); - FREE_DBT(data); - } return retval; } @@ -672,7 +802,7 @@ { PyObject* v; /* if the value fits in regular int, use that. */ -#ifdef HAVE_LONG_LONG +#ifdef PY_LONG_LONG if (sizeof(time_t) > sizeof(long)) v = PyLong_FromLongLong((PY_LONG_LONG) value); else @@ -696,7 +826,16 @@ } #endif +#if (DBVER >= 40) +static void _addDB_lsnToDict(PyObject* dict, char *name, DB_LSN value) +{ + PyObject *v = Py_BuildValue("(ll)",value.file,value.offset); + if (!v || PyDict_SetItemString(dict, name, v)) + PyErr_Clear(); + Py_XDECREF(v); +} +#endif /* --------------------------------------------------------------------- */ /* Allocators and deallocators */ @@ -716,6 +855,10 @@ self->flags = 0; self->setflags = 0; self->myenvobj = NULL; + self->children_cursors = NULL; +#if (DBVER >=43) + self->children_sequences = NULL; +#endif #if (DBVER >= 33) self->associateCallback = NULL; self->btCompareCallback = NULL; @@ -728,7 +871,14 @@ Py_INCREF(arg); self->myenvobj = arg; db_env = arg->db_env; + INSERT_IN_DOUBLE_LINKED_LIST(self->myenvobj->children_dbs,self); + } else { + self->sibling_prev_p=NULL; + self->sibling_next=NULL; } + self->txn=NULL; + self->sibling_prev_p_txn=NULL; + self->sibling_next_txn=NULL; if (self->myenvobj) self->moduleFlags = self->myenvobj->moduleFlags; @@ -760,23 +910,17 @@ } +/* Forward declaration */ +static PyObject *DB_close_internal(DBObject* self, int flags); + static void DB_dealloc(DBObject* self) { + PyObject *dummy; + if (self->db != NULL) { - /* avoid closing a DB when its DBEnv has been closed out from under - * it */ - if (!self->myenvobj || - (self->myenvobj && self->myenvobj->db_env)) - { - MYDB_BEGIN_ALLOW_THREADS; - self->db->close(self->db, 0); - MYDB_END_ALLOW_THREADS; - } else { - PyErr_Warn(PyExc_RuntimeWarning, - "DB could not be closed in destructor: DBEnv already closed"); - } - self->db = NULL; + dummy=DB_close_internal(self,0); + Py_XDECREF(dummy); } if (self->in_weakreflist != NULL) { PyObject_ClearWeakRefs((PyObject *) self); @@ -798,9 +942,8 @@ PyObject_Del(self); } - static DBCursorObject* -newDBCursorObject(DBC* dbc, DBObject* db) +newDBCursorObject(DBC* dbc, DBTxnObject *txn, DBObject* db) { DBCursorObject* self = PyObject_New(DBCursorObject, &DBCursor_Type); if (self == NULL) @@ -808,40 +951,37 @@ self->dbc = dbc; self->mydb = db; + + INSERT_IN_DOUBLE_LINKED_LIST(self->mydb->children_cursors,self); + if (txn && ((PyObject *)txn!=Py_None)) { + INSERT_IN_DOUBLE_LINKED_LIST_TXN(txn->children_cursors,self); + self->txn=txn; + } else { + self->txn=NULL; + } + self->in_weakreflist = NULL; Py_INCREF(self->mydb); return self; } +/* Forward declaration */ +static PyObject *DBC_close_internal(DBCursorObject* self); + static void DBCursor_dealloc(DBCursorObject* self) { - int err; + PyObject *dummy; + if (self->dbc != NULL) { + dummy=DBC_close_internal(self); + Py_XDECREF(dummy); + } if (self->in_weakreflist != NULL) { PyObject_ClearWeakRefs((PyObject *) self); } - - if (self->dbc != NULL) { - /* If the underlying database has been closed, we don't - need to do anything. If the environment has been closed - we need to leak, as BerkeleyDB will crash trying to access - the environment. There was an exception when the - user closed the environment even though there still was - a database open. */ - if (self->mydb->db && self->mydb->myenvobj && - !self->mydb->myenvobj->closed) - /* test for: open db + no environment or non-closed environment */ - if (self->mydb->db && (!self->mydb->myenvobj || (self->mydb->myenvobj && - !self->mydb->myenvobj->closed))) { - MYDB_BEGIN_ALLOW_THREADS; - err = self->dbc->c_close(self->dbc); - MYDB_END_ALLOW_THREADS; - } - self->dbc = NULL; - } - Py_XDECREF( self->mydb ); + Py_DECREF(self->mydb); PyObject_Del(self); } @@ -858,8 +998,14 @@ self->flags = flags; self->moduleFlags.getReturnsNone = DEFAULT_GET_RETURNS_NONE; self->moduleFlags.cursorSetReturnsNone = DEFAULT_CURSOR_SET_RETURNS_NONE; + self->children_dbs = NULL; + self->children_txns = NULL; self->in_weakreflist = NULL; +#if (DBVER >= 40) + self->event_notifyCallback = NULL; +#endif + MYDB_BEGIN_ALLOW_THREADS; err = db_env_create(&self->db_env, flags); MYDB_END_ALLOW_THREADS; @@ -869,75 +1015,119 @@ } else { self->db_env->set_errcall(self->db_env, _db_errorCallback); + self->db_env->app_private=self; } return self; } +/* Forward declaration */ +static PyObject *DBEnv_close_internal(DBEnvObject* self, int flags); static void DBEnv_dealloc(DBEnvObject* self) { + PyObject *dummy; + + if (self->db_env && !self->closed) { + dummy=DBEnv_close_internal(self,0); + Py_XDECREF(dummy); + } + +#if (DBVER >= 40) + Py_XDECREF(self->event_notifyCallback); + self->event_notifyCallback = NULL; +#endif + if (self->in_weakreflist != NULL) { PyObject_ClearWeakRefs((PyObject *) self); } - if (self->db_env && !self->closed) { - MYDB_BEGIN_ALLOW_THREADS; - self->db_env->close(self->db_env, 0); - MYDB_END_ALLOW_THREADS; - } PyObject_Del(self); } static DBTxnObject* -newDBTxnObject(DBEnvObject* myenv, DB_TXN *parent, int flags) +newDBTxnObject(DBEnvObject* myenv, DBTxnObject *parent, DB_TXN *txn, int flags) { int err; + DB_TXN *parent_txn=NULL; + DBTxnObject* self = PyObject_New(DBTxnObject, &DBTxn_Type); if (self == NULL) return NULL; - Py_INCREF(myenv); - self->env = (PyObject*)myenv; + self->in_weakreflist = NULL; - MYDB_BEGIN_ALLOW_THREADS; + if (parent && ((PyObject *)parent!=Py_None)) { + parent_txn=parent->txn; + } + + if (txn) { + self->txn=txn; + } else { + MYDB_BEGIN_ALLOW_THREADS; #if (DBVER >= 40) - err = myenv->db_env->txn_begin(myenv->db_env, parent, &(self->txn), flags); + err = myenv->db_env->txn_begin(myenv->db_env, parent_txn, &(self->txn), flags); #else - err = txn_begin(myenv->db_env, parent, &(self->txn), flags); + err = txn_begin(myenv->db_env, parent->txn, &(self_txn), flags); #endif - MYDB_END_ALLOW_THREADS; - if (makeDBError(err)) { - Py_DECREF(self->env); - PyObject_Del(self); - self = NULL; + MYDB_END_ALLOW_THREADS; + + if (makeDBError(err)) { + PyObject_Del(self); + return NULL; + } } + + if (parent_txn) { /* Can't use 'parent' because could be 'parent==Py_None' */ + self->parent_txn=parent; + Py_INCREF(parent); + self->env = NULL; + INSERT_IN_DOUBLE_LINKED_LIST(parent->children_txns,self); + } else { + self->parent_txn=NULL; + Py_INCREF(myenv); + self->env = myenv; + INSERT_IN_DOUBLE_LINKED_LIST(myenv->children_txns,self); + } + + self->children_txns=NULL; + self->children_dbs=NULL; + self->children_cursors=NULL; + self->children_sequences=NULL; + self->flag_prepare=0; + return self; } +/* Forward declaration */ +static PyObject * +DBTxn_abort_discard_internal(DBTxnObject* self, int discard); static void DBTxn_dealloc(DBTxnObject* self) { + PyObject *dummy; + + if (self->txn) { + int flag_prepare = self->flag_prepare; + dummy=DBTxn_abort_discard_internal(self,0); + Py_XDECREF(dummy); + if (!flag_prepare) { + PyErr_Warn(PyExc_RuntimeWarning, + "DBTxn aborted in destructor. No prior commit() or abort()."); + } + } + if (self->in_weakreflist != NULL) { PyObject_ClearWeakRefs((PyObject *) self); } - if (self->txn) { - /* it hasn't been finalized, abort it! */ - MYDB_BEGIN_ALLOW_THREADS; -#if (DBVER >= 40) - self->txn->abort(self->txn); -#else - txn_abort(self->txn); -#endif - MYDB_END_ALLOW_THREADS; - PyErr_Warn(PyExc_RuntimeWarning, - "DBTxn aborted in destructor. No prior commit() or abort()."); + if (self->env) { + Py_DECREF(self->env); + } else { + Py_DECREF(self->parent_txn); } - - Py_DECREF(self->env); PyObject_Del(self); } @@ -991,8 +1181,11 @@ return NULL; Py_INCREF(mydb); self->mydb = mydb; - self->in_weakreflist = NULL; + INSERT_IN_DOUBLE_LINKED_LIST(self->mydb->children_sequences,self); + self->txn=NULL; + + self->in_weakreflist = NULL; MYDB_BEGIN_ALLOW_THREADS; err = db_sequence_create(&self->sequence, self->mydb->db, flags); @@ -1006,10 +1199,20 @@ return self; } +/* Forward declaration */ +static PyObject +*DBSequence_close_internal(DBSequenceObject* self, int flags, int do_not_close); static void DBSequence_dealloc(DBSequenceObject* self) { + PyObject *dummy; + + if (self->sequence != NULL) { + dummy=DBSequence_close_internal(self,0,0); + Py_XDECREF(dummy); + } + if (self->in_weakreflist != NULL) { PyObject_ClearWeakRefs((PyObject *) self); } @@ -1072,11 +1275,9 @@ MYDB_BEGIN_BLOCK_THREADS; if (type == DB_RECNO || type == DB_QUEUE) - args = Py_BuildValue("(ls#)", *((db_recno_t*)priKey->data), - priData->data, priData->size); + args = BuildValue_LS(*((db_recno_t*)priKey->data), priData->data, priData->size); else - args = Py_BuildValue("(s#s#)", priKey->data, priKey->size, - priData->data, priData->size); + args = BuildValue_SS(priKey->data, priKey->size, priData->data, priData->size); if (args != NULL) { result = PyEval_CallObject(callback, args); } @@ -1217,21 +1418,49 @@ static PyObject* -DB_close(DBObject* self, PyObject* args) +DB_close_internal(DBObject* self, int flags) { - int err, flags=0; - if (!PyArg_ParseTuple(args,"|i:close", &flags)) - return NULL; + PyObject *dummy; + int err; + if (self->db != NULL) { - if (self->myenvobj) - CHECK_ENV_NOT_CLOSED(self->myenvobj); + /* Can be NULL if db is not in an environment */ + EXTRACT_FROM_DOUBLE_LINKED_LIST_MAYBE_NULL(self); + if (self->txn) { + EXTRACT_FROM_DOUBLE_LINKED_LIST_TXN(self); + self->txn=NULL; + } + + while(self->children_cursors) { + dummy=DBC_close_internal(self->children_cursors); + Py_XDECREF(dummy); + } + +#if (DBVER >= 43) + while(self->children_sequences) { + dummy=DBSequence_close_internal(self->children_sequences,0,0); + Py_XDECREF(dummy); + } +#endif + + MYDB_BEGIN_ALLOW_THREADS; err = self->db->close(self->db, flags); + MYDB_END_ALLOW_THREADS; self->db = NULL; RETURN_IF_ERR(); } RETURN_NONE(); } +static PyObject* +DB_close(DBObject* self, PyObject* args) +{ + int flags=0; + if (!PyArg_ParseTuple(args,"|i:close", &flags)) + return NULL; + return DB_close_internal(self,flags); +} + static PyObject* _DB_consume(DBObject* self, PyObject* args, PyObject* kwargs, int consume_flag) @@ -1262,7 +1491,7 @@ CLEAR_DBT(key); CLEAR_DBT(data); if (CHECK_DBFLAG(self, DB_THREAD)) { - /* Tell BerkeleyDB to malloc the return value (thread safe) */ + /* Tell Berkeley DB to malloc the return value (thread safe) */ data.flags = DB_DBT_MALLOC; key.flags = DB_DBT_MALLOC; } @@ -1278,8 +1507,7 @@ retval = Py_None; } else if (!err) { - retval = Py_BuildValue("s#s#", key.data, key.size, data.data, - data.size); + retval = BuildValue_SS(key.data, key.size, data.data, data.size); FREE_DBT(key); FREE_DBT(data); } @@ -1322,7 +1550,7 @@ err = self->db->cursor(self->db, txn, &dbc, flags); MYDB_END_ALLOW_THREADS; RETURN_IF_ERR(); - return (PyObject*) newDBCursorObject(dbc, self); + return (PyObject*) newDBCursorObject(dbc, (DBTxnObject *)txnobj, self); } @@ -1404,7 +1632,7 @@ CLEAR_DBT(data); if (CHECK_DBFLAG(self, DB_THREAD)) { - /* Tell BerkeleyDB to malloc the return value (thread safe) */ + /* Tell Berkeley DB to malloc the return value (thread safe) */ data.flags = DB_DBT_MALLOC; } if (!add_partial_dbt(&data, dlen, doff)) { @@ -1429,10 +1657,9 @@ } else if (!err) { if (flags & DB_SET_RECNO) /* return both key and data */ - retval = Py_BuildValue("s#s#", key.data, key.size, data.data, - data.size); + retval = BuildValue_SS(key.data, key.size, data.data, data.size); else /* return just the data */ - retval = PyString_FromStringAndSize((char*)data.data, data.size); + retval = Build_PyString(data.data, data.size); FREE_DBT(data); } FREE_DBT(key); @@ -1472,7 +1699,7 @@ CLEAR_DBT(data); if (CHECK_DBFLAG(self, DB_THREAD)) { - /* Tell BerkeleyDB to malloc the return value (thread safe) */ + /* Tell Berkeley DB to malloc the return value (thread safe) */ data.flags = DB_DBT_MALLOC; } if (!add_partial_dbt(&data, dlen, doff)) { @@ -1501,13 +1728,13 @@ else if (!err) { PyObject *pkeyObj; PyObject *dataObj; - dataObj = PyString_FromStringAndSize(data.data, data.size); + dataObj = Build_PyString(data.data, data.size); if (self->primaryDBType == DB_RECNO || self->primaryDBType == DB_QUEUE) pkeyObj = PyInt_FromLong(*(int *)pkey.data); else - pkeyObj = PyString_FromStringAndSize(pkey.data, pkey.size); + pkeyObj = Build_PyString(pkey.data, pkey.size); if (flags & DB_SET_RECNO) /* return key , pkey and data */ { @@ -1516,7 +1743,7 @@ if (type == DB_RECNO || type == DB_QUEUE) keyObj = PyInt_FromLong(*(int *)key.data); else - keyObj = PyString_FromStringAndSize(key.data, key.size); + keyObj = Build_PyString(key.data, key.size); #if (PY_VERSION_HEX >= 0x02040000) retval = PyTuple_Pack(3, keyObj, pkeyObj, dataObj); #else @@ -1620,7 +1847,7 @@ orig_data = data.data; if (CHECK_DBFLAG(self, DB_THREAD)) { - /* Tell BerkeleyDB to malloc the return value (thread safe) */ + /* Tell Berkeley DB to malloc the return value (thread safe) */ /* XXX(nnorwitz): At least 4.4.20 and 4.5.20 require this flag. */ data.flags = DB_DBT_MALLOC; } @@ -1637,7 +1864,7 @@ } else if (!err) { /* XXX(nnorwitz): can we do: retval = dataobj; Py_INCREF(retval); */ - retval = PyString_FromStringAndSize((char*)data.data, data.size); + retval = Build_PyString(data.data, data.size); /* Even though the flags require DB_DBT_MALLOC, data is not always allocated. 4.4: allocated, 4.5: *not* allocated. :-( */ @@ -1748,7 +1975,7 @@ but does not hold python references to them or prevent them from being closed prematurely. This can cause python to crash when things are done in the wrong order. */ - return (PyObject*) newDBCursorObject(dbc, self); + return (PyObject*) newDBCursorObject(dbc, NULL, self); } @@ -1845,6 +2072,17 @@ return NULL; } +#if (DBVER >= 41) + if (txn) { /* Can't use 'txnobj' because could be 'txnobj==Py_None' */ + INSERT_IN_DOUBLE_LINKED_LIST_TXN(((DBTxnObject *)txnobj)->children_dbs,self); + self->txn=(DBTxnObject *)txnobj; + } else { + self->txn=NULL; + } +#else + self->txn=NULL; +#endif + MYDB_BEGIN_ALLOW_THREADS; #if (DBVER >= 41) err = self->db->open(self->db, txn, filename, dbname, type, flags, mode); @@ -1853,8 +2091,10 @@ #endif MYDB_END_ALLOW_THREADS; if (makeDBError(err)) { - self->db->close(self->db, 0); - self->db = NULL; + PyObject *dummy; + + dummy=DB_close_internal(self,0); + Py_XDECREF(dummy); return NULL; } @@ -1863,6 +2103,7 @@ #endif self->flags = flags; + RETURN_NONE(); } @@ -1993,7 +2234,7 @@ } static int -_db_compareCallback(DB* db, +_db_compareCallback(DB* db, const DBT *leftKey, const DBT *rightKey) { @@ -2015,8 +2256,7 @@ } else { MYDB_BEGIN_BLOCK_THREADS; - args = Py_BuildValue("s#s#", leftKey->data, leftKey->size, - rightKey->data, rightKey->size); + args = BuildValue_SS(leftKey->data, leftKey->size, rightKey->data, rightKey->size); if (args != NULL) { /* XXX(twouters) I highly doubt this INCREF is correct */ Py_INCREF(self); @@ -2369,6 +2609,9 @@ MAKE_HASH_ENTRY(version); MAKE_HASH_ENTRY(nkeys); MAKE_HASH_ENTRY(ndata); +#if (DBVER >= 46) + MAKE_HASH_ENTRY(pagecnt); +#endif MAKE_HASH_ENTRY(pagesize); #if (DBVER < 41) MAKE_HASH_ENTRY(nelem); @@ -2391,6 +2634,9 @@ MAKE_BT_ENTRY(version); MAKE_BT_ENTRY(nkeys); MAKE_BT_ENTRY(ndata); +#if (DBVER >= 46) + MAKE_BT_ENTRY(pagecnt); +#endif MAKE_BT_ENTRY(pagesize); MAKE_BT_ENTRY(minkey); MAKE_BT_ENTRY(re_len); @@ -2400,6 +2646,9 @@ MAKE_BT_ENTRY(leaf_pg); MAKE_BT_ENTRY(dup_pg); MAKE_BT_ENTRY(over_pg); +#if (DBVER >= 43) + MAKE_BT_ENTRY(empty_pg); +#endif MAKE_BT_ENTRY(free); MAKE_BT_ENTRY(int_pgfree); MAKE_BT_ENTRY(leaf_pgfree); @@ -2413,6 +2662,9 @@ MAKE_QUEUE_ENTRY(nkeys); MAKE_QUEUE_ENTRY(ndata); MAKE_QUEUE_ENTRY(pagesize); +#if (DBVER > 40) + MAKE_QUEUE_ENTRY(extentsize); +#endif MAKE_QUEUE_ENTRY(pages); MAKE_QUEUE_ENTRY(re_len); MAKE_QUEUE_ENTRY(re_pad); @@ -2527,15 +2779,14 @@ if (outFile) fclose(outFile); - /* DB.verify acts as a DB handle destructor (like close); this was - * documented in BerkeleyDB 4.2 but had the undocumented effect - * of not being safe in prior versions while still requiring an explicit - * DB.close call afterwards. Lets call close for the user to emulate - * the safe 4.2 behaviour. */ -#if (DBVER <= 41) - self->db->close(self->db, 0); -#endif - self->db = NULL; + { /* DB.verify acts as a DB handle destructor (like close) */ + PyObject *error; + + error=DB_close_internal(self,0); + if (error ) { + return error; + } + } RETURN_IF_ERR(); RETURN_NONE(); @@ -2622,7 +2873,7 @@ so we can use any of them for the type cast */ size = ((DB_BTREE_STAT*)sp)->bt_ndata; - /* A size of 0 could mean that BerkeleyDB no longer had the stat values cached. + /* A size of 0 could mean that Berkeley DB no longer had the stat values cached. * redo a full stat to make sure. * Fixes SF python bug 1493322, pybsddb bug 1184012 */ @@ -2658,7 +2909,7 @@ CLEAR_DBT(data); if (CHECK_DBFLAG(self, DB_THREAD)) { - /* Tell BerkeleyDB to malloc the return value (thread safe) */ + /* Tell Berkeley DB to malloc the return value (thread safe) */ data.flags = DB_DBT_MALLOC; } MYDB_BEGIN_ALLOW_THREADS; @@ -2672,7 +2923,7 @@ retval = NULL; } else { - retval = PyString_FromStringAndSize((char*)data.data, data.size); + retval = Build_PyString(data.data, data.size); FREE_DBT(data); } @@ -2802,14 +3053,9 @@ return NULL; } - if (CHECK_DBFLAG(self, DB_THREAD)) { - key.flags = DB_DBT_REALLOC; - data.flags = DB_DBT_REALLOC; - } - while (1) { /* use the cursor to traverse the DB, collecting items */ MYDB_BEGIN_ALLOW_THREADS; - err = cursor->c_get(cursor, &key, &data, DB_NEXT); + err = _DBC_get(cursor, &key, &data, DB_NEXT); MYDB_END_ALLOW_THREADS; if (err) { @@ -2823,7 +3069,7 @@ case DB_BTREE: case DB_HASH: default: - item = PyString_FromStringAndSize((char*)key.data, key.size); + item = Build_PyString(key.data, key.size); break; case DB_RECNO: case DB_QUEUE: @@ -2833,7 +3079,7 @@ break; case _VALUES_LIST: - item = PyString_FromStringAndSize((char*)data.data, data.size); + item = Build_PyString(data.data, data.size); break; case _ITEMS_LIST: @@ -2841,13 +3087,11 @@ case DB_BTREE: case DB_HASH: default: - item = Py_BuildValue("s#s#", key.data, key.size, data.data, - data.size); + item = BuildValue_SS(key.data, key.size, data.data, data.size); break; case DB_RECNO: case DB_QUEUE: - item = Py_BuildValue("is#", *((db_recno_t*)key.data), - data.data, data.size); + item = BuildValue_IS(*((db_recno_t*)key.data), data.data, data.size); break; } break; @@ -2872,10 +3116,8 @@ } done: - FREE_DBT(key); - FREE_DBT(data); MYDB_BEGIN_ALLOW_THREADS; - cursor->c_close(cursor); + _DBC_close(cursor); MYDB_END_ALLOW_THREADS; return list; } @@ -2927,23 +3169,35 @@ static PyObject* -DBC_close(DBCursorObject* self, PyObject* args) +DBC_close_internal(DBCursorObject* self) { int err = 0; - if (!PyArg_ParseTuple(args, ":close")) - return NULL; - if (self->dbc != NULL) { + EXTRACT_FROM_DOUBLE_LINKED_LIST(self); + if (self->txn) { + EXTRACT_FROM_DOUBLE_LINKED_LIST_TXN(self); + self->txn=NULL; + } + MYDB_BEGIN_ALLOW_THREADS; - err = self->dbc->c_close(self->dbc); - self->dbc = NULL; + err = _DBC_close(self->dbc); MYDB_END_ALLOW_THREADS; + self->dbc = NULL; } RETURN_IF_ERR(); RETURN_NONE(); } +static PyObject* +DBC_close(DBCursorObject* self, PyObject* args) +{ + if (!PyArg_ParseTuple(args, ":close")) + return NULL; + + return DBC_close_internal(self); +} + static PyObject* DBC_count(DBCursorObject* self, PyObject* args) @@ -2958,7 +3212,7 @@ CHECK_CURSOR_NOT_CLOSED(self); MYDB_BEGIN_ALLOW_THREADS; - err = self->dbc->c_count(self->dbc, &count, flags); + err = _DBC_count(self->dbc, &count, flags); MYDB_END_ALLOW_THREADS; RETURN_IF_ERR(); @@ -2984,7 +3238,7 @@ CHECK_CURSOR_NOT_CLOSED(self); MYDB_BEGIN_ALLOW_THREADS; - err = self->dbc->c_del(self->dbc, flags); + err = _DBC_del(self->dbc, flags); MYDB_END_ALLOW_THREADS; RETURN_IF_ERR(); @@ -3005,11 +3259,11 @@ CHECK_CURSOR_NOT_CLOSED(self); MYDB_BEGIN_ALLOW_THREADS; - err = self->dbc->c_dup(self->dbc, &dbc, flags); + err = _DBC_dup(self->dbc, &dbc, flags); MYDB_END_ALLOW_THREADS; RETURN_IF_ERR(); - return (PyObject*) newDBCursorObject(dbc, self->mydb); + return (PyObject*) newDBCursorObject(dbc, self->txn, self->mydb); } static PyObject* @@ -3059,19 +3313,12 @@ if ( (dataobj && !make_dbt(dataobj, &data)) || (!add_partial_dbt(&data, dlen, doff)) ) { - FREE_DBT(key); + FREE_DBT(key); /* 'make_key_dbt' could do a 'malloc' */ return NULL; } - if (CHECK_DBFLAG(self->mydb, DB_THREAD)) { - data.flags = DB_DBT_MALLOC; - if (!(key.flags & DB_DBT_REALLOC)) { - key.flags |= DB_DBT_MALLOC; - } - } - MYDB_BEGIN_ALLOW_THREADS; - err = self->dbc->c_get(self->dbc, &key, &data, flags); + err = _DBC_get(self->dbc, &key, &data, flags); MYDB_END_ALLOW_THREADS; if ((err == DB_NOTFOUND || err == DB_KEYEMPTY) @@ -3090,18 +3337,15 @@ case DB_BTREE: case DB_HASH: default: - retval = Py_BuildValue("s#s#", key.data, key.size, - data.data, data.size); + retval = BuildValue_SS(key.data, key.size, data.data, data.size); break; case DB_RECNO: case DB_QUEUE: - retval = Py_BuildValue("is#", *((db_recno_t*)key.data), - data.data, data.size); + retval = BuildValue_IS(*((db_recno_t*)key.data), data.data, data.size); break; } - FREE_DBT(data); } - FREE_DBT(key); + FREE_DBT(key); /* 'make_key_dbt' could do a 'malloc' */ return retval; } @@ -3145,22 +3389,15 @@ return NULL; if ( (dataobj && !make_dbt(dataobj, &data)) || (!add_partial_dbt(&data, dlen, doff)) ) { - FREE_DBT(key); + FREE_DBT(key); /* 'make_key_dbt' could do a 'malloc' */ return NULL; } - if (CHECK_DBFLAG(self->mydb, DB_THREAD)) { - data.flags = DB_DBT_MALLOC; - if (!(key.flags & DB_DBT_REALLOC)) { - key.flags |= DB_DBT_MALLOC; - } - } - CLEAR_DBT(pkey); pkey.flags = DB_DBT_MALLOC; MYDB_BEGIN_ALLOW_THREADS; - err = self->dbc->c_pget(self->dbc, &key, &pkey, &data, flags); + err = _DBC_pget(self->dbc, &key, &pkey, &data, flags); MYDB_END_ALLOW_THREADS; if ((err == DB_NOTFOUND || err == DB_KEYEMPTY) @@ -3174,13 +3411,13 @@ else { PyObject *pkeyObj; PyObject *dataObj; - dataObj = PyString_FromStringAndSize(data.data, data.size); + dataObj = Build_PyString(data.data, data.size); if (self->mydb->primaryDBType == DB_RECNO || self->mydb->primaryDBType == DB_QUEUE) pkeyObj = PyInt_FromLong(*(int *)pkey.data); else - pkeyObj = PyString_FromStringAndSize(pkey.data, pkey.size); + pkeyObj = Build_PyString(pkey.data, pkey.size); if (key.data && key.size) /* return key, pkey and data */ { @@ -3189,14 +3426,14 @@ if (type == DB_RECNO || type == DB_QUEUE) keyObj = PyInt_FromLong(*(int *)key.data); else - keyObj = PyString_FromStringAndSize(key.data, key.size); + keyObj = Build_PyString(key.data, key.size); #if (PY_VERSION_HEX >= 0x02040000) retval = PyTuple_Pack(3, keyObj, pkeyObj, dataObj); #else retval = Py_BuildValue("OOO", keyObj, pkeyObj, dataObj); #endif Py_DECREF(keyObj); - FREE_DBT(key); + FREE_DBT(key); /* 'make_key_dbt' could do a 'malloc' */ } else /* return just the pkey and data */ { @@ -3209,11 +3446,10 @@ Py_DECREF(dataObj); Py_DECREF(pkeyObj); FREE_DBT(pkey); - FREE_DBT(data); } /* the only time REALLOC should be set is if we used an integer * key that make_key_dbt malloc'd for us. always free these. */ - if (key.flags & DB_DBT_REALLOC) { + if (key.flags & DB_DBT_REALLOC) { /* 'make_key_dbt' could do a 'malloc' */ FREE_DBT(key); } return retval; @@ -3236,20 +3472,13 @@ CLEAR_DBT(key); CLEAR_DBT(data); - if (CHECK_DBFLAG(self->mydb, DB_THREAD)) { - /* Tell BerkeleyDB to malloc the return value (thread safe) */ - data.flags = DB_DBT_MALLOC; - key.flags = DB_DBT_MALLOC; - } MYDB_BEGIN_ALLOW_THREADS; - err = self->dbc->c_get(self->dbc, &key, &data, DB_GET_RECNO); + err = _DBC_get(self->dbc, &key, &data, DB_GET_RECNO); MYDB_END_ALLOW_THREADS; RETURN_IF_ERR(); recno = *((db_recno_t*)data.data); - FREE_DBT(key); - FREE_DBT(data); return PyInt_FromLong(recno); } @@ -3297,14 +3526,14 @@ if (!make_dbt(dataobj, &data) || !add_partial_dbt(&data, dlen, doff) ) { - FREE_DBT(key); + FREE_DBT(key); /* 'make_key_dbt' could do a 'malloc' */ return NULL; } MYDB_BEGIN_ALLOW_THREADS; - err = self->dbc->c_put(self->dbc, &key, &data, flags); + err = _DBC_put(self->dbc, &key, &data, flags); MYDB_END_ALLOW_THREADS; - FREE_DBT(key); + FREE_DBT(key); /* 'make_key_dbt' could do a 'malloc' */ RETURN_IF_ERR(); self->mydb->haveStat = 0; RETURN_NONE(); @@ -3331,17 +3560,13 @@ return NULL; CLEAR_DBT(data); - if (CHECK_DBFLAG(self->mydb, DB_THREAD)) { - /* Tell BerkeleyDB to malloc the return value (thread safe) */ - data.flags = DB_DBT_MALLOC; - } if (!add_partial_dbt(&data, dlen, doff)) { - FREE_DBT(key); + FREE_DBT(key); /* 'make_key_dbt' could do a 'malloc' */ return NULL; } MYDB_BEGIN_ALLOW_THREADS; - err = self->dbc->c_get(self->dbc, &key, &data, flags|DB_SET); + err = _DBC_get(self->dbc, &key, &data, flags|DB_SET); MYDB_END_ALLOW_THREADS; if ((err == DB_NOTFOUND || err == DB_KEYEMPTY) && self->mydb->moduleFlags.cursorSetReturnsNone) { @@ -3359,22 +3584,19 @@ case DB_BTREE: case DB_HASH: default: - retval = Py_BuildValue("s#s#", key.data, key.size, - data.data, data.size); + retval = BuildValue_SS(key.data, key.size, data.data, data.size); break; case DB_RECNO: case DB_QUEUE: - retval = Py_BuildValue("is#", *((db_recno_t*)key.data), - data.data, data.size); + retval = BuildValue_IS(*((db_recno_t*)key.data), data.data, data.size); break; } - FREE_DBT(data); - FREE_DBT(key); + FREE_DBT(key); /* 'make_key_dbt' could do a 'malloc' */ } /* the only time REALLOC should be set is if we used an integer * key that make_key_dbt malloc'd for us. always free these. */ if (key.flags & DB_DBT_REALLOC) { - FREE_DBT(key); + FREE_DBT(key); /* 'make_key_dbt' could do a 'malloc' */ } return retval; @@ -3402,19 +3624,11 @@ CLEAR_DBT(data); if (!add_partial_dbt(&data, dlen, doff)) { - FREE_DBT(key); + FREE_DBT(key); /* 'make_key_dbt' could do a 'malloc' */ return NULL; } - if (CHECK_DBFLAG(self->mydb, DB_THREAD)) { - /* Tell BerkeleyDB to malloc the return value (thread safe) */ - data.flags |= DB_DBT_MALLOC; - /* only BTREE databases will return anything in the key */ - if (!(key.flags & DB_DBT_REALLOC) && _DB_get_type(self->mydb) == DB_BTREE) { - key.flags |= DB_DBT_MALLOC; - } - } MYDB_BEGIN_ALLOW_THREADS; - err = self->dbc->c_get(self->dbc, &key, &data, flags|DB_SET_RANGE); + err = _DBC_get(self->dbc, &key, &data, flags|DB_SET_RANGE); MYDB_END_ALLOW_THREADS; if ((err == DB_NOTFOUND || err == DB_KEYEMPTY) && self->mydb->moduleFlags.cursorSetReturnsNone) { @@ -3432,22 +3646,19 @@ case DB_BTREE: case DB_HASH: default: - retval = Py_BuildValue("s#s#", key.data, key.size, - data.data, data.size); + retval = BuildValue_SS(key.data, key.size, data.data, data.size); break; case DB_RECNO: case DB_QUEUE: - retval = Py_BuildValue("is#", *((db_recno_t*)key.data), - data.data, data.size); + retval = BuildValue_IS(*((db_recno_t*)key.data), data.data, data.size); break; } - FREE_DBT(key); - FREE_DBT(data); + FREE_DBT(key); /* 'make_key_dbt' could do a 'malloc' */ } /* the only time REALLOC should be set is if we used an integer * key that make_key_dbt malloc'd for us. always free these. */ if (key.flags & DB_DBT_REALLOC) { - FREE_DBT(key); + FREE_DBT(key); /* 'make_key_dbt' could do a 'malloc' */ } return retval; @@ -3465,12 +3676,12 @@ if (!make_key_dbt(self->mydb, keyobj, &key, NULL)) return NULL; if (!make_dbt(dataobj, &data)) { - FREE_DBT(key); + FREE_DBT(key); /* 'make_key_dbt' could do a 'malloc' */ return NULL; } MYDB_BEGIN_ALLOW_THREADS; - err = self->dbc->c_get(self->dbc, &key, &data, flags|DB_GET_BOTH); + err = _DBC_get(self->dbc, &key, &data, flags|DB_GET_BOTH); MYDB_END_ALLOW_THREADS; if ((err == DB_NOTFOUND || err == DB_KEYEMPTY) && returnsNone) { Py_INCREF(Py_None); @@ -3487,18 +3698,16 @@ case DB_BTREE: case DB_HASH: default: - retval = Py_BuildValue("s#s#", key.data, key.size, - data.data, data.size); + retval = BuildValue_SS(key.data, key.size, data.data, data.size); break; case DB_RECNO: case DB_QUEUE: - retval = Py_BuildValue("is#", *((db_recno_t*)key.data), - data.data, data.size); + retval = BuildValue_IS(*((db_recno_t*)key.data), data.data, data.size); break; } } - FREE_DBT(key); + FREE_DBT(key); /* 'make_key_dbt' could do a 'malloc' */ return retval; } @@ -3537,7 +3746,7 @@ data.flags = DB_DBT_USERMEM; data.ulen = 0; MYDB_BEGIN_ALLOW_THREADS; - err = self->dbc->c_get(self->dbc, &key, &data, flags); + err = _DBC_get(self->dbc, &key, &data, flags); MYDB_END_ALLOW_THREADS; if (err == DB_BUFFER_SMALL || !err) { /* DB_BUFFER_SMALL means positive size, !err means zero length value */ @@ -3545,8 +3754,6 @@ err = 0; } - FREE_DBT(key); - FREE_DBT(data); RETURN_IF_ERR(); return retval; } @@ -3600,17 +3807,13 @@ key.flags = DB_DBT_REALLOC; CLEAR_DBT(data); - if (CHECK_DBFLAG(self->mydb, DB_THREAD)) { - /* Tell BerkeleyDB to malloc the return value (thread safe) */ - data.flags = DB_DBT_MALLOC; - } if (!add_partial_dbt(&data, dlen, doff)) { FREE_DBT(key); return NULL; } MYDB_BEGIN_ALLOW_THREADS; - err = self->dbc->c_get(self->dbc, &key, &data, flags|DB_SET_RECNO); + err = _DBC_get(self->dbc, &key, &data, flags|DB_SET_RECNO); MYDB_END_ALLOW_THREADS; if ((err == DB_NOTFOUND || err == DB_KEYEMPTY) && self->mydb->moduleFlags.cursorSetReturnsNone) { @@ -3621,9 +3824,7 @@ retval = NULL; } else { /* Can only be used for BTrees, so no need to return int key */ - retval = Py_BuildValue("s#s#", key.data, key.size, - data.data, data.size); - FREE_DBT(data); + retval = BuildValue_SS(key.data, key.size, data.data, data.size); } FREE_DBT(key); @@ -3673,13 +3874,9 @@ CLEAR_DBT(key); CLEAR_DBT(data); - if (CHECK_DBFLAG(self->mydb, DB_THREAD)) { - /* Tell BerkeleyDB to malloc the return value (thread safe) */ - key.flags = DB_DBT_MALLOC; - } MYDB_BEGIN_ALLOW_THREADS; - err = self->dbc->c_get(self->dbc, &key, &data, flags | DB_JOIN_ITEM); + err = _DBC_get(self->dbc, &key, &data, flags | DB_JOIN_ITEM); MYDB_END_ALLOW_THREADS; if ((err == DB_NOTFOUND || err == DB_KEYEMPTY) && self->mydb->moduleFlags.getReturnsNone) { @@ -3690,8 +3887,7 @@ retval = NULL; } else { - retval = Py_BuildValue("s#", key.data, key.size); - FREE_DBT(key); + retval = BuildValue_S(key.data, key.size); } return retval; @@ -3704,18 +3900,26 @@ static PyObject* -DBEnv_close(DBEnvObject* self, PyObject* args) +DBEnv_close_internal(DBEnvObject* self, int flags) { - int err, flags = 0; + PyObject *dummy; + int err; - if (!PyArg_ParseTuple(args, "|i:close", &flags)) - return NULL; if (!self->closed) { /* Don't close more than once */ + while(self->children_txns) { + dummy=DBTxn_abort_discard_internal(self->children_txns,0); + Py_XDECREF(dummy); + } + while(self->children_dbs) { + dummy=DB_close_internal(self->children_dbs,0); + Py_XDECREF(dummy); + } + MYDB_BEGIN_ALLOW_THREADS; err = self->db_env->close(self->db_env, flags); MYDB_END_ALLOW_THREADS; /* after calling DBEnv->close, regardless of error, this DBEnv - * may not be accessed again (BerkeleyDB docs). */ + * may not be accessed again (Berkeley DB docs). */ self->closed = 1; self->db_env = NULL; RETURN_IF_ERR(); @@ -3723,6 +3927,16 @@ RETURN_NONE(); } +static PyObject* +DBEnv_close(DBEnvObject* self, PyObject* args) +{ + int flags = 0; + + if (!PyArg_ParseTuple(args, "|i:close", &flags)) + return NULL; + return DBEnv_close_internal(self,flags); +} + static PyObject* DBEnv_open(DBEnvObject* self, PyObject* args) @@ -3982,8 +4196,27 @@ RETURN_NONE(); } - -#if (DBVER >= 33) +#if (DBVER >= 42) +static PyObject* +DBEnv_get_lg_max(DBEnvObject* self, PyObject* args) +{ + int err; + u_int32_t lg_max; + + if (!PyArg_ParseTuple(args, ":get_lg_max")) + return NULL; + CHECK_ENV_NOT_CLOSED(self); + + MYDB_BEGIN_ALLOW_THREADS; + err = self->db_env->get_lg_max(self->db_env, &lg_max); + MYDB_END_ALLOW_THREADS; + RETURN_IF_ERR(); + return PyInt_FromLong(lg_max); +} +#endif + + +#if (DBVER >= 33) static PyObject* DBEnv_set_lg_regionmax(DBEnvObject* self, PyObject* args) { @@ -4125,6 +4358,84 @@ } +#if (DBVER >= 40) +static PyObject* +DBEnv_txn_recover(DBEnvObject* self, PyObject* args) +{ + int flags = DB_FIRST; + int err, i; + PyObject *list, *tuple, *gid; + DBTxnObject *txn; +#define PREPLIST_LEN 16 + DB_PREPLIST preplist[PREPLIST_LEN]; + long retp; + + if (!PyArg_ParseTuple(args, ":txn_recover")) + return NULL; + + CHECK_ENV_NOT_CLOSED(self); + + list=PyList_New(0); + if (!list) + return NULL; + while (!0) { + MYDB_BEGIN_ALLOW_THREADS + err=self->db_env->txn_recover(self->db_env, + preplist, PREPLIST_LEN, &retp, flags); +#undef PREPLIST_LEN + MYDB_END_ALLOW_THREADS + if (err) { + Py_DECREF(list); + RETURN_IF_ERR(); + } + if (!retp) break; + flags=DB_NEXT; /* Prepare for next loop pass */ + for (i=0; i<retp; i++) { + gid=PyString_FromStringAndSize((char *)(preplist[i].gid), + DB_XIDDATASIZE); + if (!gid) { + Py_DECREF(list); + return NULL; + } + txn=newDBTxnObject(self, NULL, preplist[i].txn, flags); + if (!txn) { + Py_DECREF(list); + Py_DECREF(gid); + return NULL; + } + txn->flag_prepare=1; /* Recover state */ + tuple=PyTuple_New(2); + if (!tuple) { + Py_DECREF(list); + Py_DECREF(gid); + Py_DECREF(txn); + return NULL; + } + if (PyTuple_SetItem(tuple, 0, gid)) { + Py_DECREF(list); + Py_DECREF(gid); + Py_DECREF(txn); + Py_DECREF(tuple); + return NULL; + } + if (PyTuple_SetItem(tuple, 1, (PyObject *)txn)) { + Py_DECREF(list); + Py_DECREF(txn); + Py_DECREF(tuple); /* This delete the "gid" also */ + return NULL; + } + if (PyList_Append(list, tuple)) { + Py_DECREF(list); + Py_DECREF(tuple);/* This delete the "gid" and the "txn" also */ + return NULL; + } + Py_DECREF(tuple); + } + } + return list; +} +#endif + static PyObject* DBEnv_txn_begin(DBEnvObject* self, PyObject* args, PyObject* kwargs) { @@ -4141,7 +4452,7 @@ return NULL; CHECK_ENV_NOT_CLOSED(self); - return (PyObject*)newDBTxnObject(self, txn, flags); + return (PyObject*)newDBTxnObject(self, (DBTxnObject *)txnobj, NULL, flags); } @@ -4426,6 +4737,10 @@ #if (DBVER < 41) MAKE_ENTRY(lastid); #endif +#if (DBVER >=41) + MAKE_ENTRY(id); + MAKE_ENTRY(cur_maxid); +#endif MAKE_ENTRY(nmodes); MAKE_ENTRY(maxlocks); MAKE_ENTRY(maxlockers); @@ -4438,6 +4753,10 @@ MAKE_ENTRY(maxnobjects); MAKE_ENTRY(nrequests); MAKE_ENTRY(nreleases); +#if (DBVER >= 44) + MAKE_ENTRY(nupgrade); + MAKE_ENTRY(ndowngrade); +#endif #if (DBVER < 44) MAKE_ENTRY(nnowaits); /* these were renamed in 4.4 */ MAKE_ENTRY(nconflicts); @@ -4446,6 +4765,23 @@ MAKE_ENTRY(lock_wait); #endif MAKE_ENTRY(ndeadlocks); +#if (DBVER >= 41) + MAKE_ENTRY(locktimeout); + MAKE_ENTRY(txntimeout); +#endif +#if (DBVER >= 40) + MAKE_ENTRY(nlocktimeouts); + MAKE_ENTRY(ntxntimeouts); +#endif +#if (DBVER >= 46) + MAKE_ENTRY(objs_wait); + MAKE_ENTRY(objs_nowait); + MAKE_ENTRY(lockers_wait); + MAKE_ENTRY(lockers_nowait); + MAKE_ENTRY(locks_wait); + MAKE_ENTRY(locks_nowait); + MAKE_ENTRY(hash_len); +#endif MAKE_ENTRY(regsize); MAKE_ENTRY(region_wait); MAKE_ENTRY(region_nowait); @@ -4455,130 +4791,653 @@ return d; } +#if (DBVER >= 40) +static PyObject* +DBEnv_log_flush(DBEnvObject* self, PyObject* args) +{ + int err; + + if (!PyArg_ParseTuple(args, ":log_flush")) + return NULL; + CHECK_ENV_NOT_CLOSED(self); + + MYDB_BEGIN_ALLOW_THREADS + err = self->db_env->log_flush(self->db_env, NULL); + MYDB_END_ALLOW_THREADS + + RETURN_IF_ERR(); + RETURN_NONE(); +} +#endif static PyObject* DBEnv_log_archive(DBEnvObject* self, PyObject* args) { - int flags=0; + int flags=0; + int err; + char **log_list = NULL; + PyObject* list; + PyObject* item = NULL; + + if (!PyArg_ParseTuple(args, "|i:log_archive", &flags)) + return NULL; + + CHECK_ENV_NOT_CLOSED(self); + MYDB_BEGIN_ALLOW_THREADS; +#if (DBVER >= 40) + err = self->db_env->log_archive(self->db_env, &log_list, flags); +#elif (DBVER == 33) + err = log_archive(self->db_env, &log_list, flags); +#else + err = log_archive(self->db_env, &log_list, flags, NULL); +#endif + MYDB_END_ALLOW_THREADS; + RETURN_IF_ERR(); + + list = PyList_New(0); + if (list == NULL) { + if (log_list) + free(log_list); + return NULL; + } + + if (log_list) { + char **log_list_start; + for (log_list_start = log_list; *log_list != NULL; ++log_list) { + item = PyString_FromString (*log_list); + if (item == NULL) { + Py_DECREF(list); + list = NULL; + break; + } + PyList_Append(list, item); + Py_DECREF(item); + } + free(log_list_start); + } + return list; +} + + +static PyObject* +DBEnv_txn_stat(DBEnvObject* self, PyObject* args) +{ + int err; + DB_TXN_STAT* sp; + PyObject* d = NULL; + u_int32_t flags=0; + + if (!PyArg_ParseTuple(args, "|i:txn_stat", &flags)) + return NULL; + CHECK_ENV_NOT_CLOSED(self); + + MYDB_BEGIN_ALLOW_THREADS; +#if (DBVER >= 40) + err = self->db_env->txn_stat(self->db_env, &sp, flags); +#elif (DBVER == 33) + err = txn_stat(self->db_env, &sp); +#else + err = txn_stat(self->db_env, &sp, NULL); +#endif + MYDB_END_ALLOW_THREADS; + RETURN_IF_ERR(); + + /* Turn the stat structure into a dictionary */ + d = PyDict_New(); + if (d == NULL) { + free(sp); + return NULL; + } + +#define MAKE_ENTRY(name) _addIntToDict(d, #name, sp->st_##name) +#define MAKE_TIME_T_ENTRY(name) _addTimeTToDict(d, #name, sp->st_##name) +#define MAKE_DB_LSN_ENTRY(name) _addDB_lsnToDict(d, #name, sp->st_##name) + +#if (DBVER >= 40) + MAKE_DB_LSN_ENTRY(last_ckp); +#endif + MAKE_TIME_T_ENTRY(time_ckp); + MAKE_ENTRY(last_txnid); + MAKE_ENTRY(maxtxns); + MAKE_ENTRY(nactive); + MAKE_ENTRY(maxnactive); +#if (DBVER >= 45) + MAKE_ENTRY(nsnapshot); + MAKE_ENTRY(maxnsnapshot); +#endif + MAKE_ENTRY(nbegins); + MAKE_ENTRY(naborts); + MAKE_ENTRY(ncommits); +#if (DBVER >= 40) + MAKE_ENTRY(nrestores); +#endif + MAKE_ENTRY(regsize); + MAKE_ENTRY(region_wait); + MAKE_ENTRY(region_nowait); + +#undef MAKE_DB_LSN_ENTRY +#undef MAKE_ENTRY +#undef MAKE_TIME_T_ENTRY + free(sp); + return d; +} + + +static PyObject* +DBEnv_set_get_returns_none(DBEnvObject* self, PyObject* args) +{ + int flags=0; + int oldValue=0; + + if (!PyArg_ParseTuple(args,"i:set_get_returns_none", &flags)) + return NULL; + CHECK_ENV_NOT_CLOSED(self); + + if (self->moduleFlags.getReturnsNone) + ++oldValue; + if (self->moduleFlags.cursorSetReturnsNone) + ++oldValue; + self->moduleFlags.getReturnsNone = (flags >= 1); + self->moduleFlags.cursorSetReturnsNone = (flags >= 2); + return PyInt_FromLong(oldValue); +} + +#if (DBVER >= 40) +static PyObject* +DBEnv_set_verbose(DBEnvObject* self, PyObject* args) +{ + int err; + int which, onoff; + + if (!PyArg_ParseTuple(args, "ii:set_verbose", &which, &onoff)) { + return NULL; + } + CHECK_ENV_NOT_CLOSED(self); + MYDB_BEGIN_ALLOW_THREADS; + err = self->db_env->set_verbose(self->db_env, which, onoff); + MYDB_END_ALLOW_THREADS; + RETURN_IF_ERR(); + RETURN_NONE(); +} + +#if (DBVER >= 42) +static PyObject* +DBEnv_get_verbose(DBEnvObject* self, PyObject* args) +{ + int err; + int which; + int verbose; + + if (!PyArg_ParseTuple(args, "i:get_verbose", &which)) { + return NULL; + } + CHECK_ENV_NOT_CLOSED(self); + MYDB_BEGIN_ALLOW_THREADS; + err = self->db_env->get_verbose(self->db_env, which, &verbose); + MYDB_END_ALLOW_THREADS; + RETURN_IF_ERR(); + return PyBool_FromLong(verbose); +} +#endif +#endif + +#if (DBVER >= 45) +static void +_dbenv_event_notifyCallback(DB_ENV* db_env, u_int32_t event, void *event_info) +{ + DBEnvObject *dbenv; + PyObject* callback; + PyObject* args; + PyObject* result = NULL; + + MYDB_BEGIN_BLOCK_THREADS; + dbenv = (DBEnvObject *)db_env->app_private; + callback = dbenv->event_notifyCallback; + if (callback) { + if (event == DB_EVENT_REP_NEWMASTER) { + args = Py_BuildValue("(Oii)", dbenv, event, *((int *)event_info)); + } else { + args = Py_BuildValue("(OiO)", dbenv, event, Py_None); + } + if (args) { + result = PyEval_CallObject(callback, args); + } + if ((!args) || (!result)) { + PyErr_Print(); + } + Py_XDECREF(args); + Py_XDECREF(result); + } + MYDB_END_BLOCK_THREADS; +} +#endif + +#if (DBVER >= 45) +static PyObject* +DBEnv_set_event_notify(DBEnvObject* self, PyObject* args) +{ + int err; + PyObject *notifyFunc; + + if (!PyArg_ParseTuple(args, "O:set_event_notify", ¬ifyFunc)) { + return NULL; + } + + CHECK_ENV_NOT_CLOSED(self); + + if (!PyCallable_Check(notifyFunc)) { + makeTypeError("Callable", notifyFunc); + return NULL; + } + + Py_XDECREF(self->event_notifyCallback); + Py_INCREF(notifyFunc); + self->event_notifyCallback = notifyFunc; + + MYDB_BEGIN_ALLOW_THREADS; + err = self->db_env->set_event_notify(self->db_env, _dbenv_event_notifyCallback); + MYDB_END_ALLOW_THREADS; + + if (err) { + Py_DECREF(notifyFunc); + self->event_notifyCallback = NULL; + } + + RETURN_IF_ERR(); + RETURN_NONE(); +} +#endif + + +/* --------------------------------------------------------------------- */ +/* REPLICATION METHODS: Base Replication */ + +#if (DBVER >= 45) +static PyObject* +DBEnv_rep_set_nsites(DBEnvObject* self, PyObject* args) +{ + int err; + int nsites; + + if (!PyArg_ParseTuple(args, "i:rep_set_nsites", &nsites)) { + return NULL; + } + CHECK_ENV_NOT_CLOSED(self); + MYDB_BEGIN_ALLOW_THREADS; + err = self->db_env->rep_set_nsites(self->db_env, nsites); + MYDB_END_ALLOW_THREADS; + RETURN_IF_ERR(); + RETURN_NONE(); +} + +static PyObject* +DBEnv_rep_get_nsites(DBEnvObject* self, PyObject* args) +{ + int err; + int nsites; + + if (!PyArg_ParseTuple(args, ":rep_get_nsites")) { + return NULL; + } + CHECK_ENV_NOT_CLOSED(self); + MYDB_BEGIN_ALLOW_THREADS; + err = self->db_env->rep_get_nsites(self->db_env, &nsites); + MYDB_END_ALLOW_THREADS; + RETURN_IF_ERR(); + return PyInt_FromLong(nsites); +} + +static PyObject* +DBEnv_rep_set_priority(DBEnvObject* self, PyObject* args) +{ + int err; + int priority; + + if (!PyArg_ParseTuple(args, "i:rep_set_priority", &priority)) { + return NULL; + } + CHECK_ENV_NOT_CLOSED(self); + MYDB_BEGIN_ALLOW_THREADS; + err = self->db_env->rep_set_priority(self->db_env, priority); + MYDB_END_ALLOW_THREADS; + RETURN_IF_ERR(); + RETURN_NONE(); +} + +static PyObject* +DBEnv_rep_get_priority(DBEnvObject* self, PyObject* args) +{ + int err; + int priority; + + if (!PyArg_ParseTuple(args, ":rep_get_priority")) { + return NULL; + } + CHECK_ENV_NOT_CLOSED(self); + MYDB_BEGIN_ALLOW_THREADS; + err = self->db_env->rep_get_priority(self->db_env, &priority); + MYDB_END_ALLOW_THREADS; + RETURN_IF_ERR(); + return PyInt_FromLong(priority); +} + +static PyObject* +DBEnv_rep_set_timeout(DBEnvObject* self, PyObject* args) +{ + int err; + int which, timeout; + + if (!PyArg_ParseTuple(args, "ii:rep_set_timeout", &which, &timeout)) { + return NULL; + } + CHECK_ENV_NOT_CLOSED(self); + MYDB_BEGIN_ALLOW_THREADS; + err = self->db_env->rep_set_timeout(self->db_env, which, timeout); + MYDB_END_ALLOW_THREADS; + RETURN_IF_ERR(); + RETURN_NONE(); +} + +static PyObject* +DBEnv_rep_get_timeout(DBEnvObject* self, PyObject* args) +{ + int err; + int which; + u_int32_t timeout; + + if (!PyArg_ParseTuple(args, "i:rep_get_timeout", &which)) { + return NULL; + } + CHECK_ENV_NOT_CLOSED(self); + MYDB_BEGIN_ALLOW_THREADS; + err = self->db_env->rep_get_timeout(self->db_env, which, &timeout); + MYDB_END_ALLOW_THREADS; + RETURN_IF_ERR(); + return PyInt_FromLong(timeout); +} +#endif + +/* --------------------------------------------------------------------- */ +/* REPLICATION METHODS: Replication Manager */ + +#if (DBVER >= 45) +static PyObject* +DBEnv_repmgr_start(DBEnvObject* self, PyObject* args, PyObject* + kwargs) +{ + int err; + int nthreads, flags; + static char* kwnames[] = {"nthreads","flags", NULL}; + + if (!PyArg_ParseTupleAndKeywords(args, kwargs, + "ii:repmgr_start", kwnames, &nthreads, &flags)) + { + return NULL; + } + CHECK_ENV_NOT_CLOSED(self); + MYDB_BEGIN_ALLOW_THREADS; + err = self->db_env->repmgr_start(self->db_env, nthreads, flags); + MYDB_END_ALLOW_THREADS; + RETURN_IF_ERR(); + RETURN_NONE(); +} + +static PyObject* +DBEnv_repmgr_set_local_site(DBEnvObject* self, PyObject* args, PyObject* + kwargs) +{ + int err; + char *host; + int port; + int flags = 0; + static char* kwnames[] = {"host", "port", "flags", NULL}; + + if (!PyArg_ParseTupleAndKeywords(args, kwargs, + "si|i:repmgr_set_local_site", kwnames, &host, &port, &flags)) + { + return NULL; + } + CHECK_ENV_NOT_CLOSED(self); + MYDB_BEGIN_ALLOW_THREADS; + err = self->db_env->repmgr_set_local_site(self->db_env, host, port, flags); + MYDB_END_ALLOW_THREADS; + RETURN_IF_ERR(); + RETURN_NONE(); +} + +static PyObject* +DBEnv_repmgr_add_remote_site(DBEnvObject* self, PyObject* args, PyObject* + kwargs) +{ + int err; + char *host; + int port; + int flags = 0; + int eidp; + static char* kwnames[] = {"host", "port", "flags", NULL}; + + if (!PyArg_ParseTupleAndKeywords(args, kwargs, + "si|i:repmgr_add_remote_site", kwnames, &host, &port, &flags)) + { + return NULL; + } + CHECK_ENV_NOT_CLOSED(self); + MYDB_BEGIN_ALLOW_THREADS; + err = self->db_env->repmgr_add_remote_site(self->db_env, host, port, &eidp, flags); + MYDB_END_ALLOW_THREADS; + RETURN_IF_ERR(); + return PyInt_FromLong(eidp); +} + +static PyObject* +DBEnv_repmgr_set_ack_policy(DBEnvObject* self, PyObject* args) +{ + int err; + int ack_policy; + + if (!PyArg_ParseTuple(args, "i:repmgr_set_ack_policy", &ack_policy)) + { + return NULL; + } + CHECK_ENV_NOT_CLOSED(self); + MYDB_BEGIN_ALLOW_THREADS; + err = self->db_env->repmgr_set_ack_policy(self->db_env, ack_policy); + MYDB_END_ALLOW_THREADS; + RETURN_IF_ERR(); + RETURN_NONE(); +} + +static PyObject* +DBEnv_repmgr_get_ack_policy(DBEnvObject* self, PyObject* args) +{ + int err; + int ack_policy; + + if (!PyArg_ParseTuple(args, ":repmgr_get_ack_policy")) + { + return NULL; + } + CHECK_ENV_NOT_CLOSED(self); + MYDB_BEGIN_ALLOW_THREADS; + err = self->db_env->repmgr_get_ack_policy(self->db_env, &ack_policy); + MYDB_END_ALLOW_THREADS; + RETURN_IF_ERR(); + return PyInt_FromLong(ack_policy); +} + +static PyObject* +DBEnv_repmgr_site_list(DBEnvObject* self, PyObject* args) +{ int err; - char **log_list = NULL; - PyObject* list; - PyObject* item = NULL; + unsigned int countp; + DB_REPMGR_SITE *listp; + PyObject *stats, *key, *tuple; - if (!PyArg_ParseTuple(args, "|i:log_archive", &flags)) + if (!PyArg_ParseTuple(args, ":repmgr_site_list")) + { return NULL; - + } CHECK_ENV_NOT_CLOSED(self); MYDB_BEGIN_ALLOW_THREADS; -#if (DBVER >= 40) - err = self->db_env->log_archive(self->db_env, &log_list, flags); -#elif (DBVER == 33) - err = log_archive(self->db_env, &log_list, flags); -#else - err = log_archive(self->db_env, &log_list, flags, NULL); -#endif + err = self->db_env->repmgr_site_list(self->db_env, &countp, &listp); MYDB_END_ALLOW_THREADS; RETURN_IF_ERR(); - list = PyList_New(0); - if (list == NULL) { - if (log_list) - free(log_list); + stats=PyDict_New(); + if (stats == NULL) { + free(listp); return NULL; } - if (log_list) { - char **log_list_start; - for (log_list_start = log_list; *log_list != NULL; ++log_list) { - item = PyString_FromString (*log_list); - if (item == NULL) { - Py_DECREF(list); - list = NULL; - break; - } - PyList_Append(list, item); - Py_DECREF(item); + for(;countp--;) { + key=PyInt_FromLong(listp[countp].eid); + if(!key) { + Py_DECREF(stats); + free(listp); + return NULL; + } +#if (PY_VERSION_HEX >= 0x02040000) + tuple=Py_BuildValue("(sII)", listp[countp].host, + listp[countp].port, listp[countp].status); +#else + tuple=Py_BuildValue("(sii)", listp[countp].host, + listp[countp].port, listp[countp].status); +#endif + if(!tuple) { + Py_DECREF(key); + Py_DECREF(stats); + free(listp); + return NULL; + } + if(PyDict_SetItem(stats, key, tuple)) { + Py_DECREF(key); + Py_DECREF(tuple); + Py_DECREF(stats); + free(listp); + return NULL; } - free(log_list_start); } - return list; + free(listp); + return stats; } +#endif - +#if (DBVER >= 46) static PyObject* -DBEnv_txn_stat(DBEnvObject* self, PyObject* args) +DBEnv_repmgr_stat_print(DBEnvObject* self, PyObject* args, PyObject *kwargs) { int err; - DB_TXN_STAT* sp; - PyObject* d = NULL; - u_int32_t flags=0; + int flags=0; + static char* kwnames[] = { "flags", NULL }; - if (!PyArg_ParseTuple(args, "|i:txn_stat", &flags)) + if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|i:repmgr_stat_print", + kwnames, &flags)) + { return NULL; + } CHECK_ENV_NOT_CLOSED(self); + MYDB_BEGIN_ALLOW_THREADS; + err = self->db_env->repmgr_stat_print(self->db_env, flags); + MYDB_END_ALLOW_THREADS; + RETURN_IF_ERR(); + RETURN_NONE(); +} +static PyObject* +DBEnv_repmgr_stat(DBEnvObject* self, PyObject* args, PyObject *kwargs) +{ + int err; + int flags=0; + DB_REPMGR_STAT *statp; + PyObject *stats; + static char* kwnames[] = { "flags", NULL }; + + if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|i:repmgr_stat", + kwnames, &flags)) + { + return NULL; + } + CHECK_ENV_NOT_CLOSED(self); MYDB_BEGIN_ALLOW_THREADS; -#if (DBVER >= 40) - err = self->db_env->txn_stat(self->db_env, &sp, flags); -#elif (DBVER == 33) - err = txn_stat(self->db_env, &sp); -#else - err = txn_stat(self->db_env, &sp, NULL); -#endif + err = self->db_env->repmgr_stat(self->db_env, &statp, flags); MYDB_END_ALLOW_THREADS; RETURN_IF_ERR(); - /* Turn the stat structure into a dictionary */ - d = PyDict_New(); - if (d == NULL) { - free(sp); + stats=PyDict_New(); + if (stats == NULL) { + free(statp); return NULL; } -#define MAKE_ENTRY(name) _addIntToDict(d, #name, sp->st_##name) -#define MAKE_TIME_T_ENTRY(name)_addTimeTToDict(d, #name, sp->st_##name) +#define MAKE_ENTRY(name) _addIntToDict(stats, #name, statp->st_##name) - MAKE_TIME_T_ENTRY(time_ckp); - MAKE_ENTRY(last_txnid); - MAKE_ENTRY(maxtxns); - MAKE_ENTRY(nactive); - MAKE_ENTRY(maxnactive); - MAKE_ENTRY(nbegins); - MAKE_ENTRY(naborts); - MAKE_ENTRY(ncommits); - MAKE_ENTRY(regsize); - MAKE_ENTRY(region_wait); - MAKE_ENTRY(region_nowait); + MAKE_ENTRY(perm_failed); + MAKE_ENTRY(msgs_queued); + MAKE_ENTRY(msgs_dropped); + MAKE_ENTRY(connection_drop); + MAKE_ENTRY(connect_fail); #undef MAKE_ENTRY -#undef MAKE_TIME_T_ENTRY - free(sp); - return d; + + free(statp); + return stats; } +#endif -static PyObject* -DBEnv_set_get_returns_none(DBEnvObject* self, PyObject* args) -{ - int flags=0; - int oldValue=0; +/* --------------------------------------------------------------------- */ +/* DBTxn methods */ - if (!PyArg_ParseTuple(args,"i:set_get_returns_none", &flags)) - return NULL; - CHECK_ENV_NOT_CLOSED(self); - if (self->moduleFlags.getReturnsNone) - ++oldValue; - if (self->moduleFlags.cursorSetReturnsNone) - ++oldValue; - self->moduleFlags.getReturnsNone = (flags >= 1); - self->moduleFlags.cursorSetReturnsNone = (flags >= 2); - return PyInt_FromLong(oldValue); +static void _close_transaction_cursors(DBTxnObject* txn) +{ + PyObject *dummy; + + while(txn->children_cursors) { + PyErr_Warn(PyExc_RuntimeWarning, + "Must close cursors before resolving a transaction."); + dummy=DBC_close_internal(txn->children_cursors); + Py_XDECREF(dummy); + } } +static void _promote_transaction_dbs_and_sequences(DBTxnObject *txn) +{ + DBObject *db; +#if (DBVER >= 43) + DBSequenceObject *dbs; +#endif -/* --------------------------------------------------------------------- */ -/* DBTxn methods */ + while (txn->children_dbs) { + db=txn->children_dbs; + EXTRACT_FROM_DOUBLE_LINKED_LIST_TXN(db); + if (txn->parent_txn) { + INSERT_IN_DOUBLE_LINKED_LIST_TXN(txn->parent_txn->children_dbs,db); + db->txn=txn->parent_txn; + } else { + /* The db is already linked to its environment, + ** so nothing to do. + */ + db->txn=NULL; + } + } + +#if (DBVER >= 43) + while (txn->children_sequences) { + dbs=txn->children_sequences; + EXTRACT_FROM_DOUBLE_LINKED_LIST_TXN(dbs); + if (txn->parent_txn) { + INSERT_IN_DOUBLE_LINKED_LIST_TXN(txn->parent_txn->children_sequences,dbs); + dbs->txn=txn->parent_txn; + } else { + /* The sequence is already linked to its + ** parent db. Nothing to do. + */ + dbs->txn=NULL; + } + } +#endif +} static PyObject* @@ -4590,15 +5449,22 @@ if (!PyArg_ParseTuple(args, "|i:commit", &flags)) return NULL; + _close_transaction_cursors(self); + if (!self->txn) { PyObject *t = Py_BuildValue("(is)", 0, "DBTxn must not be used " - "after txn_commit or txn_abort"); + "after txn_commit, txn_abort " + "or txn_discard"); PyErr_SetObject(DBError, t); Py_DECREF(t); return NULL; } + self->flag_prepare=0; txn = self->txn; self->txn = NULL; /* this DB_TXN is no longer valid after this call */ + + EXTRACT_FROM_DOUBLE_LINKED_LIST(self); + MYDB_BEGIN_ALLOW_THREADS; #if (DBVER >= 40) err = txn->commit(txn, flags); @@ -4606,6 +5472,9 @@ err = txn_commit(txn, flags); #endif MYDB_END_ALLOW_THREADS; + + _promote_transaction_dbs_and_sequences(self); + RETURN_IF_ERR(); RETURN_NONE(); } @@ -4629,11 +5498,13 @@ if (!self->txn) { PyObject *t = Py_BuildValue("(is)", 0,"DBTxn must not be used " - "after txn_commit or txn_abort"); + "after txn_commit, txn_abort " + "or txn_discard"); PyErr_SetObject(DBError, t); Py_DECREF(t); return NULL; } + self->flag_prepare=1; /* Prepare state */ MYDB_BEGIN_ALLOW_THREADS; #if (DBVER >= 40) err = self->txn->prepare(self->txn, (u_int8_t*)gid); @@ -4651,7 +5522,8 @@ if (!self->txn) { PyObject *t = Py_BuildValue("(is)", 0, "DBTxn must not be used " - "after txn_commit or txn_abort"); + "after txn_commit, txn_abort " + "or txn_discard"); PyErr_SetObject(DBError, t); Py_DECREF(t); return NULL; @@ -4666,34 +5538,87 @@ static PyObject* -DBTxn_abort(DBTxnObject* self, PyObject* args) +DBTxn_abort_discard_internal(DBTxnObject* self, int discard) { - int err; + PyObject *dummy; + int err=0; DB_TXN *txn; - if (!PyArg_ParseTuple(args, ":abort")) - return NULL; - if (!self->txn) { PyObject *t = Py_BuildValue("(is)", 0, "DBTxn must not be used " - "after txn_commit or txn_abort"); + "after txn_commit, txn_abort " + "or txn_discard"); PyErr_SetObject(DBError, t); Py_DECREF(t); return NULL; } txn = self->txn; self->txn = NULL; /* this DB_TXN is no longer valid after this call */ + + _close_transaction_cursors(self); +#if (DBVER >= 43) + while (self->children_sequences) { + dummy=DBSequence_close_internal(self->children_sequences,0,0); + Py_XDECREF(dummy); + } +#endif + while (self->children_dbs) { + dummy=DB_close_internal(self->children_dbs,0); + Py_XDECREF(dummy); + } + + EXTRACT_FROM_DOUBLE_LINKED_LIST(self); + MYDB_BEGIN_ALLOW_THREADS; + if (discard) { + assert(!self->flag_prepare); +#if (DBVER >= 40) + err = txn->discard(txn,0); +#else + err = txn_discard(txn); +#endif + } else { + /* + ** If the transaction is in the "prepare" or "recover" state, + ** we better do not implicitly abort it. + */ + if (!self->flag_prepare) { #if (DBVER >= 40) - err = txn->abort(txn); + err = txn->abort(txn); #else - err = txn_abort(txn); + err = txn_abort(txn); #endif + } + } MYDB_END_ALLOW_THREADS; RETURN_IF_ERR(); RETURN_NONE(); } +static PyObject* +DBTxn_abort(DBTxnObject* self, PyObject* args) +{ + if (!PyArg_ParseTuple(args, ":abort")) + return NULL; + + self->flag_prepare=0; + _close_transaction_cursors(self); + + return DBTxn_abort_discard_internal(self,0); +} + +static PyObject* +DBTxn_discard(DBTxnObject* self, PyObject* args) +{ + if (!PyArg_ParseTuple(args, ":discard")) + return NULL; + + self->flag_prepare=0; + _close_transaction_cursors(self); + + return DBTxn_abort_discard_internal(self,1); +} + static PyObject* DBTxn_id(DBTxnObject* self, PyObject* args) @@ -4705,7 +5630,8 @@ if (!self->txn) { PyObject *t = Py_BuildValue("(is)", 0, "DBTxn must not be used " - "after txn_commit or txn_abort"); + "after txn_commit, txn_abort " + "or txn_discard"); PyErr_SetObject(DBError, t); Py_DECREF(t); return NULL; @@ -4726,24 +5652,41 @@ static PyObject* -DBSequence_close(DBSequenceObject* self, PyObject* args) +DBSequence_close_internal(DBSequenceObject* self, int flags, int do_not_close) { - int err, flags=0; - if (!PyArg_ParseTuple(args,"|i:close", &flags)) - return NULL; - CHECK_SEQUENCE_NOT_CLOSED(self) + int err=0; - MYDB_BEGIN_ALLOW_THREADS - err = self->sequence->close(self->sequence, flags); - self->sequence = NULL; - MYDB_END_ALLOW_THREADS + if (self->sequence!=NULL) { + EXTRACT_FROM_DOUBLE_LINKED_LIST(self); + if (self->txn) { + EXTRACT_FROM_DOUBLE_LINKED_LIST_TXN(self); + self->txn=NULL; + } - RETURN_IF_ERR(); + if (!do_not_close) { + MYDB_BEGIN_ALLOW_THREADS + err = self->sequence->close(self->sequence, flags); + MYDB_END_ALLOW_THREADS + } + self->sequence = NULL; + + RETURN_IF_ERR(); + } RETURN_NONE(); } static PyObject* +DBSequence_close(DBSequenceObject* self, PyObject* args) +{ + int flags=0; + if (!PyArg_ParseTuple(args,"|i:close", &flags)) + return NULL; + + return DBSequence_close_internal(self,flags,0); +} + +static PyObject* DBSequence_get(DBSequenceObject* self, PyObject* args, PyObject* kwargs) { int err, flags = 0; @@ -4765,7 +5708,6 @@ RETURN_IF_ERR(); return PyLong_FromLongLong(value); - } static PyObject* @@ -4784,6 +5726,10 @@ int err; DBT key; PyObject *retval = NULL; + + if (!PyArg_ParseTuple(args,":get_key")) + return NULL; + key.flags = DB_DBT_MALLOC; CHECK_SEQUENCE_NOT_CLOSED(self) MYDB_BEGIN_ALLOW_THREADS @@ -4791,7 +5737,7 @@ MYDB_END_ALLOW_THREADS if (!err) - retval = PyString_FromStringAndSize(key.data, key.size); + retval = Build_PyString(key.data, key.size); FREE_DBT(key); RETURN_IF_ERR(); @@ -4803,13 +5749,15 @@ DBSequence_init_value(DBSequenceObject* self, PyObject* args) { int err; - db_seq_t value; + PY_LONG_LONG value; + db_seq_t value2; if (!PyArg_ParseTuple(args,"L:init_value", &value)) return NULL; CHECK_SEQUENCE_NOT_CLOSED(self) + value2=value; /* If truncation, compiler should show a warning */ MYDB_BEGIN_ALLOW_THREADS - err = self->sequence->initial_value(self->sequence, value); + err = self->sequence->initial_value(self->sequence, value2); MYDB_END_ALLOW_THREADS RETURN_IF_ERR(); @@ -4843,12 +5791,18 @@ CLEAR_DBT(key); RETURN_IF_ERR(); + if (txn) { + INSERT_IN_DOUBLE_LINKED_LIST_TXN(((DBTxnObject *)txnobj)->children_sequences,self); + self->txn=(DBTxnObject *)txnobj; + } + RETURN_NONE(); } static PyObject* DBSequence_remove(DBSequenceObject* self, PyObject* args, PyObject* kwargs) { + PyObject *dummy; int err, flags = 0; PyObject *txnobj = NULL; DB_TXN *txn = NULL; @@ -4866,6 +5820,9 @@ err = self->sequence->remove(self->sequence, txn, flags); MYDB_END_ALLOW_THREADS + dummy=DBSequence_close_internal(self,flags,1); + Py_XDECREF(dummy); + RETURN_IF_ERR(); RETURN_NONE(); } @@ -4916,7 +5873,6 @@ RETURN_IF_ERR(); RETURN_NONE(); - } static PyObject* @@ -4940,13 +5896,16 @@ DBSequence_set_range(DBSequenceObject* self, PyObject* args) { int err; - db_seq_t min, max; + PY_LONG_LONG min, max; + db_seq_t min2, max2; if (!PyArg_ParseTuple(args,"(LL):set_range", &min, &max)) return NULL; CHECK_SEQUENCE_NOT_CLOSED(self) + min2=min; /* If truncation, compiler should show a warning */ + max2=max; MYDB_BEGIN_ALLOW_THREADS - err = self->sequence->set_range(self->sequence, min, max); + err = self->sequence->set_range(self->sequence, min2, max2); MYDB_END_ALLOW_THREADS RETURN_IF_ERR(); @@ -4957,16 +5916,19 @@ DBSequence_get_range(DBSequenceObject* self, PyObject* args) { int err; - db_seq_t min, max; + PY_LONG_LONG min, max; + db_seq_t min2, max2; if (!PyArg_ParseTuple(args,":get_range")) return NULL; CHECK_SEQUENCE_NOT_CLOSED(self) MYDB_BEGIN_ALLOW_THREADS - err = self->sequence->get_range(self->sequence, &min, &max); + err = self->sequence->get_range(self->sequence, &min2, &max2); MYDB_END_ALLOW_THREADS RETURN_IF_ERR(); + min=min2; /* If truncation, compiler should show a warning */ + max=max2; return Py_BuildValue("(LL)", min, max); } @@ -5134,6 +6096,9 @@ {"set_lg_bsize", (PyCFunction)DBEnv_set_lg_bsize, METH_VARARGS}, {"set_lg_dir", (PyCFunction)DBEnv_set_lg_dir, METH_VARARGS}, {"set_lg_max", (PyCFunction)DBEnv_set_lg_max, METH_VARARGS}, +#if (DBVER >= 42) + {"get_lg_max", (PyCFunction)DBEnv_get_lg_max, METH_VARARGS}, +#endif #if (DBVER >= 33) {"set_lg_regionmax",(PyCFunction)DBEnv_set_lg_regionmax, METH_VARARGS}, #endif @@ -5161,12 +6126,55 @@ {"lock_stat", (PyCFunction)DBEnv_lock_stat, METH_VARARGS}, {"log_archive", (PyCFunction)DBEnv_log_archive, METH_VARARGS}, #if (DBVER >= 40) + {"log_flush", (PyCFunction)DBEnv_log_flush, METH_VARARGS}, +#endif +#if (DBVER >= 40) {"log_stat", (PyCFunction)DBEnv_log_stat, METH_VARARGS}, #endif #if (DBVER >= 44) {"lsn_reset", (PyCFunction)DBEnv_lsn_reset, METH_VARARGS|METH_KEYWORDS}, #endif {"set_get_returns_none",(PyCFunction)DBEnv_set_get_returns_none, METH_VARARGS}, +#if (DBVER >= 40) + {"txn_recover", (PyCFunction)DBEnv_txn_recover, METH_VARARGS}, +#endif +#if (DBVER >= 40) + {"set_verbose", (PyCFunction)DBEnv_set_verbose, METH_VARARGS}, +#if (DBVER >= 42) + {"get_verbose", (PyCFunction)DBEnv_get_verbose, METH_VARARGS}, +#endif +#endif +#if (DBVER >= 45) + {"set_event_notify", (PyCFunction)DBEnv_set_event_notify, METH_VARARGS}, +#endif +#if (DBVER >= 45) + {"rep_set_nsites", (PyCFunction)DBEnv_rep_set_nsites, METH_VARARGS}, + {"rep_get_nsites", (PyCFunction)DBEnv_rep_get_nsites, METH_VARARGS}, + {"rep_set_priority", (PyCFunction)DBEnv_rep_set_priority, METH_VARARGS}, + {"rep_get_priority", (PyCFunction)DBEnv_rep_get_priority, METH_VARARGS}, + {"rep_set_timeout", (PyCFunction)DBEnv_rep_set_timeout, METH_VARARGS}, + {"rep_get_timeout", (PyCFunction)DBEnv_rep_get_timeout, METH_VARARGS}, +#endif +#if (DBVER >= 45) + {"repmgr_start", (PyCFunction)DBEnv_repmgr_start, + METH_VARARGS|METH_KEYWORDS}, + {"repmgr_set_local_site", (PyCFunction)DBEnv_repmgr_set_local_site, + METH_VARARGS|METH_KEYWORDS}, + {"repmgr_add_remote_site", (PyCFunction)DBEnv_repmgr_add_remote_site, + METH_VARARGS|METH_KEYWORDS}, + {"repmgr_set_ack_policy", (PyCFunction)DBEnv_repmgr_set_ack_policy, + METH_VARARGS}, + {"repmgr_get_ack_policy", (PyCFunction)DBEnv_repmgr_get_ack_policy, + METH_VARARGS}, + {"repmgr_site_list", (PyCFunction)DBEnv_repmgr_site_list, + METH_VARARGS}, +#endif +#if (DBVER >= 46) + {"repmgr_stat", (PyCFunction)DBEnv_repmgr_stat, + METH_VARARGS|METH_KEYWORDS}, + {"repmgr_stat_print", (PyCFunction)DBEnv_repmgr_stat_print, + METH_VARARGS|METH_KEYWORDS}, +#endif {NULL, NULL} /* sentinel */ }; @@ -5174,6 +6182,7 @@ static PyMethodDef DBTxn_methods[] = { {"commit", (PyCFunction)DBTxn_commit, METH_VARARGS}, {"prepare", (PyCFunction)DBTxn_prepare, METH_VARARGS}, + {"discard", (PyCFunction)DBTxn_discard, METH_VARARGS}, {"abort", (PyCFunction)DBTxn_abort, METH_VARARGS}, {"id", (PyCFunction)DBTxn_id, METH_VARARGS}, {NULL, NULL} /* sentinel */ @@ -5212,11 +6221,17 @@ DBEnv_getattr(DBEnvObject* self, char *name) { if (!strcmp(name, "db_home")) { - CHECK_ENV_NOT_CLOSED(self); - if (self->db_env->db_home == NULL) { - RETURN_NONE(); - } - return PyString_FromString(self->db_env->db_home); + const char *home = NULL; + CHECK_ENV_NOT_CLOSED(self); +#if (DBVER >= 42) + self->db_env->get_home(self->db_env, &home); +#else + home=self->db_env->db_home; +#endif + if (home == NULL) { + RETURN_NONE(); + } + return PyString_FromString(home); } return Py_FindMethod(DBEnv_methods, (PyObject* )self, name); @@ -5582,7 +6597,7 @@ ADD_INT(d, DB_RPCCLIENT); #else ADD_INT(d, DB_CLIENT); - /* allow apps to be written using DB_RPCCLIENT on older BerkeleyDB */ + /* allow apps to be written using DB_RPCCLIENT on older Berkeley DB */ _addIntToDict(d, "DB_RPCCLIENT", DB_CLIENT); #endif ADD_INT(d, DB_XA_CREATE); @@ -5590,6 +6605,9 @@ ADD_INT(d, DB_CREATE); ADD_INT(d, DB_NOMMAP); ADD_INT(d, DB_THREAD); +#if (DBVER >= 45) + ADD_INT(d, DB_MULTIVERSION); +#endif ADD_INT(d, DB_FORCE); ADD_INT(d, DB_INIT_CDB); @@ -5599,6 +6617,10 @@ ADD_INT(d, DB_INIT_TXN); ADD_INT(d, DB_JOINENV); +#if (DBVER >= 40) + ADD_INT(d, DB_XIDDATASIZE); +#endif + ADD_INT(d, DB_RECOVER); ADD_INT(d, DB_RECOVER_FATAL); ADD_INT(d, DB_TXN_NOSYNC); @@ -5645,6 +6667,13 @@ ADD_INT(d, DB_LOCK_MINWRITE); #endif +#if (DBVER >= 40) + ADD_INT(d, DB_LOCK_EXPIRE); +#endif +#if (DBVER >= 43) + ADD_INT(d, DB_LOCK_MAXWRITE); +#endif + #if (DBVER >= 33) /* docs say to use zero instead */ @@ -5816,6 +6845,10 @@ ADD_INT(d, DB_NOPANIC); #endif +#if (DBVER >= 41) + ADD_INT(d, DB_OVERWRITE); +#endif + #ifdef DB_REGISTER ADD_INT(d, DB_REGISTER); #endif @@ -5832,7 +6865,76 @@ ADD_INT(d, DB_CHKSUM); #endif +#if (DBVER >= 44) + ADD_INT(d, DB_DSYNC_DB); +#endif + +#if (DBVER >= 45) + ADD_INT(d, DB_TXN_SNAPSHOT); +#endif + +#if (DBVER >= 40) + ADD_INT(d, DB_VERB_DEADLOCK); +#if (DBVER >= 46) + ADD_INT(d, DB_VERB_FILEOPS); + ADD_INT(d, DB_VERB_FILEOPS_ALL); +#endif + ADD_INT(d, DB_VERB_RECOVERY); +#if (DBVER >= 44) + ADD_INT(d, DB_VERB_REGISTER); +#endif + ADD_INT(d, DB_VERB_REPLICATION); + ADD_INT(d, DB_VERB_WAITSFOR); +#endif + +#if (DBVER >= 45) + ADD_INT(d, DB_EVENT_PANIC); + ADD_INT(d, DB_EVENT_REP_CLIENT); +#if (DBVER >= 46) + ADD_INT(d, DB_EVENT_REP_ELECTED); +#endif + ADD_INT(d, DB_EVENT_REP_MASTER); + ADD_INT(d, DB_EVENT_REP_NEWMASTER); +#if (DBVER >= 46) + ADD_INT(d, DB_EVENT_REP_PERM_FAILED); +#endif + ADD_INT(d, DB_EVENT_REP_STARTUPDONE); + ADD_INT(d, DB_EVENT_WRITE_FAILED); +#endif + +#if (DBVER >= 40) + ADD_INT(d, DB_REP_MASTER); + ADD_INT(d, DB_REP_CLIENT); +#if (DBVER >= 45) + ADD_INT(d, DB_REP_ELECTION); + + ADD_INT(d, DB_REP_ACK_TIMEOUT); + ADD_INT(d, DB_REP_CONNECTION_RETRY); + ADD_INT(d, DB_REP_ELECTION_TIMEOUT); + ADD_INT(d, DB_REP_ELECTION_RETRY); +#endif +#if (DBVER >= 46) + ADD_INT(d, DB_REP_CHECKPOINT_DELAY); + ADD_INT(d, DB_REP_FULL_ELECTION_TIMEOUT); +#endif +#endif + +#if (DBVER >= 45) + ADD_INT(d, DB_REPMGR_PEER); + ADD_INT(d, DB_REPMGR_ACKS_ALL); + ADD_INT(d, DB_REPMGR_ACKS_ALL_PEERS); + ADD_INT(d, DB_REPMGR_ACKS_NONE); + ADD_INT(d, DB_REPMGR_ACKS_ONE); + ADD_INT(d, DB_REPMGR_ACKS_ONE_PEER); + ADD_INT(d, DB_REPMGR_ACKS_QUORUM); + ADD_INT(d, DB_REPMGR_CONNECTED); + ADD_INT(d, DB_REPMGR_DISCONNECTED); + ADD_INT(d, DB_STAT_CLEAR); + ADD_INT(d, DB_STAT_ALL); +#endif + #if (DBVER >= 43) + ADD_INT(d, DB_DSYNC_LOG); ADD_INT(d, DB_LOG_INMEMORY); ADD_INT(d, DB_BUFFER_SMALL); ADD_INT(d, DB_SEQ_DEC); @@ -5844,7 +6946,7 @@ ADD_INT(d, DB_ENCRYPT_AES); ADD_INT(d, DB_AUTO_COMMIT); #else - /* allow berkeleydb 4.1 aware apps to run on older versions */ + /* allow Berkeley DB 4.1 aware apps to run on older versions */ _addIntToDict(d, "DB_AUTO_COMMIT", 0); #endif @@ -5920,6 +7022,10 @@ MAKE_EX(DBNoSuchFileError); MAKE_EX(DBPermissionsError); +#if (DBVER >= 42) + MAKE_EX(DBRepHandleDeadError); +#endif + #undef MAKE_EX /* Initiliase the C API structure and add it to the module */ Modified: python/trunk/Modules/bsddb.h ============================================================================== --- python/trunk/Modules/bsddb.h (original) +++ python/trunk/Modules/bsddb.h Tue May 13 20:45:46 2008 @@ -36,7 +36,7 @@ /* * Handwritten code to wrap version 3.x of the Berkeley DB library, * written to replace a SWIG-generated file. It has since been updated - * to compile with BerkeleyDB versions 3.2 through 4.2. + * to compile with Berkeley DB versions 3.2 through 4.2. * * This module was started by Andrew Kuchling to remove the dependency * on SWIG in a package by Gregory P. Smith who based his work on a @@ -105,7 +105,7 @@ #error "eek! DBVER can't handle minor versions > 9" #endif -#define PY_BSDDB_VERSION "4.6.0" +#define PY_BSDDB_VERSION "4.6.5devel2" /* Python object definitions */ @@ -119,17 +119,27 @@ }; + +struct DBObject; /* Forward declaration */ +struct DBCursorObject; /* Forward declaration */ +struct DBTxnObject; /* Forward declaration */ +struct DBSequenceObject; /* Forward declaration */ + typedef struct { PyObject_HEAD DB_ENV* db_env; u_int32_t flags; /* saved flags from open() */ int closed; struct behaviourFlags moduleFlags; +#if (DBVER >= 40) + PyObject* event_notifyCallback; +#endif + struct DBObject *children_dbs; + struct DBTxnObject *children_txns; PyObject *in_weakreflist; /* List of weak references */ } DBEnvObject; - -typedef struct { +typedef struct DBObject { PyObject_HEAD DB* db; DBEnvObject* myenvobj; /* PyObject containing the DB_ENV */ @@ -137,6 +147,15 @@ u_int32_t setflags; /* saved flags from set_flags() */ int haveStat; struct behaviourFlags moduleFlags; + struct DBTxnObject *txn; + struct DBCursorObject *children_cursors; +#if (DBVER >=43) + struct DBSequenceObject *children_sequences; +#endif + struct DBObject **sibling_prev_p; + struct DBObject *sibling_next; + struct DBObject **sibling_prev_p_txn; + struct DBObject *sibling_next_txn; #if (DBVER >= 33) PyObject* associateCallback; PyObject* btCompareCallback; @@ -146,18 +165,31 @@ } DBObject; -typedef struct { +typedef struct DBCursorObject { PyObject_HEAD DBC* dbc; + struct DBCursorObject **sibling_prev_p; + struct DBCursorObject *sibling_next; + struct DBCursorObject **sibling_prev_p_txn; + struct DBCursorObject *sibling_next_txn; DBObject* mydb; + struct DBTxnObject *txn; PyObject *in_weakreflist; /* List of weak references */ } DBCursorObject; -typedef struct { +typedef struct DBTxnObject { PyObject_HEAD DB_TXN* txn; - PyObject *env; + DBEnvObject* env; + int flag_prepare; + struct DBTxnObject *parent_txn; + struct DBTxnObject **sibling_prev_p; + struct DBTxnObject *sibling_next; + struct DBTxnObject *children_txns; + struct DBObject *children_dbs; + struct DBSequenceObject *children_sequences; + struct DBCursorObject *children_cursors; PyObject *in_weakreflist; /* List of weak references */ } DBTxnObject; @@ -170,13 +202,17 @@ #if (DBVER >= 43) -typedef struct { +typedef struct DBSequenceObject { PyObject_HEAD DB_SEQUENCE* sequence; DBObject* mydb; + struct DBTxnObject *txn; + struct DBSequenceObject **sibling_prev_p; + struct DBSequenceObject *sibling_next; + struct DBSequenceObject **sibling_prev_p_txn; + struct DBSequenceObject *sibling_next_txn; PyObject *in_weakreflist; /* List of weak references */ } DBSequenceObject; -staticforward PyTypeObject DBSequence_Type; #endif