diff options
Diffstat (limited to 'ext/dba/dba_db2.c')
| -rw-r--r-- | ext/dba/dba_db2.c | 209 |
1 files changed, 209 insertions, 0 deletions
diff --git a/ext/dba/dba_db2.c b/ext/dba/dba_db2.c new file mode 100644 index 0000000..d92613a --- /dev/null +++ b/ext/dba/dba_db2.c @@ -0,0 +1,209 @@ +/* + +----------------------------------------------------------------------+ + | PHP Version 5 | + +----------------------------------------------------------------------+ + | Copyright (c) 1997-2013 The PHP Group | + +----------------------------------------------------------------------+ + | This source file is subject to version 3.01 of the PHP license, | + | that is bundled with this package in the file LICENSE, and is | + | available through the world-wide-web at the following url: | + | http://www.php.net/license/3_01.txt | + | If you did not receive a copy of the PHP license and are unable to | + | obtain it through the world-wide-web, please send a note to | + | license@php.net so we can mail you a copy immediately. | + +----------------------------------------------------------------------+ + | Author: Sascha Schumann <sascha@schumann.cx> | + +----------------------------------------------------------------------+ + */ + +/* $Id$ */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "php.h" + +#if DBA_DB2 +#include "php_db2.h" +#include <sys/stat.h> + +#include <string.h> +#ifdef DB2_INCLUDE_FILE +#include DB2_INCLUDE_FILE +#endif + +#define DB2_DATA dba_db2_data *dba = info->dbf +#define DB2_GKEY \ + DBT gkey = {0}; \ + 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; + int s = VCWD_STAT(info->path, &check_stat); + + if (!s && !check_stat.st_size) { + info->mode = DBA_TRUNC; /* force truncate */ + } + + type = info->mode == DBA_READER ? DB_UNKNOWN : + info->mode == DBA_TRUNC ? DB_BTREE : + s ? DB_BTREE : DB_UNKNOWN; + + gmode = info->mode == DBA_READER ? DB_RDONLY : + (info->mode == DBA_CREAT && s) ? DB_CREATE : + (info->mode == DBA_CREAT && !s) ? 0 : + info->mode == DBA_WRITER ? 0 : + info->mode == DBA_TRUNC ? DB_CREATE | DB_TRUNCATE : -1; + + if (gmode == -1) { + return FAILURE;/* not possible */ + } + + if (info->argc > 0) { + convert_to_long_ex(info->argv[0]); + filemode = Z_LVAL_PP(info->argv[0]); + } + + if (db_open(info->path, type, gmode, filemode, NULL, NULL, &dbp)) { + return FAILURE; + } + + info->dbf = pemalloc(sizeof(dba_db2_data), info->flags&DBA_PERSISTENT); + memset(info->dbf, 0, sizeof(dba_db2_data)); + ((dba_db2_data *) info->dbf)->dbp = dbp; + return SUCCESS; +} + +DBA_CLOSE_FUNC(db2) +{ + DB2_DATA; + + if (dba->cursor) + dba->cursor->c_close(dba->cursor); + dba->dbp->close(dba->dbp, 0); + pefree(dba, info->flags&DBA_PERSISTENT); +} + +DBA_FETCH_FUNC(db2) +{ + DBT gval = {0}; + DB2_DATA; + DB2_GKEY; + + if (dba->dbp->get(dba->dbp, NULL, &gkey, &gval, 0)) { + return NULL; + } + + if (newlen) *newlen = gval.size; + return estrndup(gval.data, gval.size); +} + +DBA_UPDATE_FUNC(db2) +{ + DBT gval = {0}; + DB2_DATA; + DB2_GKEY; + + gval.data = (char *) val; + gval.size = vallen; + + if (dba->dbp->put(dba->dbp, NULL, &gkey, &gval, + mode == 1 ? DB_NOOVERWRITE : 0)) { + return FAILURE; + } + return SUCCESS; +} + +DBA_EXISTS_FUNC(db2) +{ + DBT gval = {0}; + DB2_DATA; + DB2_GKEY; + + if (dba->dbp->get(dba->dbp, NULL, &gkey, &gval, 0)) { + return FAILURE; + } + return SUCCESS; +} + +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 TSRMLS_CC); +} + +DBA_NEXTKEY_FUNC(db2) +{ + DB2_DATA; + DBT gkey = {0}, gval = {0}; + + if (dba->cursor->c_get(dba->cursor, &gkey, &gval, DB_NEXT) + || !gkey.data) + return NULL; + + if (newlen) *newlen = gkey.size; + return estrndup(gkey.data, gkey.size); +} + +DBA_OPTIMIZE_FUNC(db2) +{ + return SUCCESS; +} + +DBA_SYNC_FUNC(db2) +{ + DB2_DATA; + + return dba->dbp->sync(dba->dbp, 0) ? FAILURE : SUCCESS; +} + +DBA_INFO_FUNC(db2) +{ + return estrdup(DB_VERSION_STRING); +} + +#endif + +/* + * Local variables: + * tab-width: 4 + * c-basic-offset: 4 + * End: + * vim600: sw=4 ts=4 fdm=marker + * vim<600: sw=4 ts=4 + */ |