diff options
Diffstat (limited to 'ext/dba/dba_db2.c')
| -rw-r--r-- | ext/dba/dba_db2.c | 207 |
1 files changed, 207 insertions, 0 deletions
diff --git a/ext/dba/dba_db2.c b/ext/dba/dba_db2.c new file mode 100644 index 0000000000..c522ef7c2d --- /dev/null +++ b/ext/dba/dba_db2.c @@ -0,0 +1,207 @@ +/* + +----------------------------------------------------------------------+ + | PHP HTML Embedded Scripting Language Version 3.0 | + +----------------------------------------------------------------------+ + | Copyright (c) 1999 PHP Development Team (See Credits file) | + +----------------------------------------------------------------------+ + | This program is free software; you can redistribute it and/or modify | + | it under the terms of one of the following licenses: | + | | + | A) the GNU General Public License as published by the Free Software | + | Foundation; either version 2 of the License, or (at your option) | + | any later version. | + | | + | B) the PHP License as published by the PHP Development Team and | + | included in the distribution in the file: LICENSE | + | | + | This program is distributed in the hope that it will be useful, | + | but WITHOUT ANY WARRANTY; without even the implied warranty of | + | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | + | GNU General Public License for more details. | + | | + | You should have received a copy of both licenses referred to here. | + | If you did not, or have any questions about PHP licensing, please | + | contact core@php.net. | + +----------------------------------------------------------------------+ + | Authors: Sascha Schumann <sas@schell.de> | + +----------------------------------------------------------------------+ + */ + +/* $Id$ */ + +#include "php.h" + +#if DBA_DB2 +#include "php3_db2.h" +#include <sys/stat.h> + +#include <string.h> +#if DB2_DB2_DB_H +#include <db2/db.h> +#elif DB2_DB_DB2_H +#include <db/db2.h> +#elif DB2_DB2_H +#include <db2.h> +#elif DB2_DB_H +#include <db.h> +#endif + +#define DB2_DATA dba_db2_data *dba = info->dbf +#define DB2_GKEY \ + DBT gkey; \ + memset(&gkey, 0, sizeof(gkey)); \ + gkey.data = (char *) key; gkey.size = keylen + +typedef struct { + DB *dbp; + DBC *cursor; +} dba_db2_data; + +DBA_OPEN_FUNC(db2) +{ + DB *dbp; + DBTYPE type; + int gmode = 0; + int filemode = 0644; + struct stat check_stat; + + type = info->mode == DBA_READER ? DB_UNKNOWN : + info->mode == DBA_TRUNC ? DB_BTREE : + stat(info->path, &check_stat) ? DB_BTREE : DB_UNKNOWN; + + gmode = info->mode == DBA_READER ? DB_RDONLY : + info->mode == DBA_CREAT ? DB_CREATE : + info->mode == DBA_WRITER ? 0 : + info->mode == DBA_TRUNC ? DB_CREATE | DB_TRUNCATE : -1; + + if(gmode == -1) + return FAILURE; + + if(info->argc > 0) { + convert_to_long(info->argv[0]); + filemode = info->argv[0]->value.lval; + } + + if(!db_open(info->path, type, gmode, filemode, NULL, NULL, &dbp)) { + info->dbf = malloc(sizeof(dba_db2_data)); + memset(info->dbf, 0, sizeof(dba_db2_data)); + ((dba_db2_data *) info->dbf)->dbp = dbp; + return SUCCESS; + } + return FAILURE; +} + +DBA_CLOSE_FUNC(db2) +{ + DB2_DATA; + + if(dba->cursor) dba->cursor->c_close(dba->cursor); + dba->dbp->close(dba->dbp, DB_NOSYNC); + free(dba); +} + +DBA_FETCH_FUNC(db2) +{ + DBT gval; + char *new = NULL; + DB2_DATA; + DB2_GKEY; + + memset(&gval, 0, sizeof(gval)); + if(!dba->dbp->get(dba->dbp, NULL, &gkey, &gval, 0)) { + if(newlen) *newlen = gval.size; + new = estrndup(gval.data, gval.size); + } + return new; +} + +DBA_UPDATE_FUNC(db2) +{ + DBT gval; + DB2_DATA; + DB2_GKEY; + + memset(&gval, 0, sizeof(gval)); + gval.data = (char *) val; + gval.size = vallen; + + if(!dba->dbp->put(dba->dbp, NULL, &gkey, &gval, + mode == 1 ? DB_NOOVERWRITE : 0)) { + return SUCCESS; + } + return FAILURE; +} + +DBA_EXISTS_FUNC(db2) +{ + DBT gval; + DB2_DATA; + DB2_GKEY; + + memset(&gval, 0, sizeof(gval)); + if(!dba->dbp->get(dba->dbp, NULL, &gkey, &gval, 0)) { + return SUCCESS; + } + return FAILURE; +} + +DBA_DELETE_FUNC(db2) +{ + DB2_DATA; + DB2_GKEY; + + return dba->dbp->del(dba->dbp, NULL, &gkey, 0) ? FAILURE : SUCCESS; +} + +DBA_FIRSTKEY_FUNC(db2) +{ + DB2_DATA; + + if(dba->cursor) { + dba->cursor->c_close(dba->cursor); + } + + dba->cursor = NULL; +#if (DB_VERSION_MAJOR > 2) || (DB_VERSION_MAJOR == 2 && DB_VERSION_MINOR > 6) || (DB_VERSION_MAJOR == 2 && DB_VERSION_MINOR == 6 && DB_VERSION_PATCH >= 4) + if(dba->dbp->cursor(dba->dbp, NULL, &dba->cursor, 0)) { +#else + if(dba->dbp->cursor(dba->dbp, NULL, &dba->cursor)) { +#endif + return NULL; + } + + /* we should introduce something like PARAM_PASSTHRU... */ + return dba_nextkey_db2(info, newlen); +} + +DBA_NEXTKEY_FUNC(db2) +{ + DB2_DATA; + DBT gkey, gval; + char *nkey = NULL; + + memset(&gkey, 0, sizeof(gkey)); + memset(&gval, 0, sizeof(gval)); + + if(!dba->cursor->c_get(dba->cursor, &gkey, &gval, DB_NEXT)) { + if(gkey.data) { + nkey = estrndup(gkey.data, gkey.size); + if(newlen) *newlen = gkey.size; + } + } + return nkey; +} + +DBA_OPTIMIZE_FUNC(db2) +{ + return SUCCESS; +} + +DBA_SYNC_FUNC(db2) +{ + DB2_DATA; + + return dba->dbp->sync(dba->dbp, 0) ? FAILURE : SUCCESS; +} + +#endif |