1 /*
2 +----------------------------------------------------------------------+
3 | PHP Version 5 |
4 +----------------------------------------------------------------------+
5 | Copyright (c) 1997-2013 The PHP Group |
6 +----------------------------------------------------------------------+
7 | This source file is subject to version 3.01 of the PHP license, |
8 | that is bundled with this package in the file LICENSE, and is |
9 | available through the world-wide-web at the following url: |
10 | http://www.php.net/license/3_01.txt |
11 | If you did not receive a copy of the PHP license and are unable to |
12 | obtain it through the world-wide-web, please send a note to |
13 | license@php.net so we can mail you a copy immediately. |
14 +----------------------------------------------------------------------+
15 | Author: Sascha Schumann <sascha@schumann.cx> |
16 +----------------------------------------------------------------------+
17 */
18
19 /* $Id$ */
20
21 #ifdef HAVE_CONFIG_H
22 #include "config.h"
23 #endif
24
25 #include "php.h"
26
27 #if DBA_DB3
28 #include "php_db3.h"
29 #include <sys/stat.h>
30
31 #include <string.h>
32 #ifdef DB3_INCLUDE_FILE
33 #include DB3_INCLUDE_FILE
34 #else
35 #include <db.h>
36 #endif
37
php_dba_db3_errcall_fcn(const char * errpfx,char * msg)38 static void php_dba_db3_errcall_fcn(const char *errpfx, char *msg)
39 {
40 TSRMLS_FETCH();
41
42 php_error_docref(NULL TSRMLS_CC, E_NOTICE, "%s%s", errpfx?errpfx:"", msg);
43 }
44
45 #define DB3_DATA dba_db3_data *dba = info->dbf
46 #define DB3_GKEY \
47 DBT gkey; \
48 memset(&gkey, 0, sizeof(gkey)); \
49 gkey.data = (char *) key; gkey.size = keylen
50
51 typedef struct {
52 DB *dbp;
53 DBC *cursor;
54 } dba_db3_data;
55
DBA_OPEN_FUNC(db3)56 DBA_OPEN_FUNC(db3)
57 {
58 DB *dbp = NULL;
59 DBTYPE type;
60 int gmode = 0, err;
61 int filemode = 0644;
62 struct stat check_stat;
63 int s = VCWD_STAT(info->path, &check_stat);
64
65 if (!s && !check_stat.st_size) {
66 info->mode = DBA_TRUNC; /* force truncate */
67 }
68
69 type = info->mode == DBA_READER ? DB_UNKNOWN :
70 info->mode == DBA_TRUNC ? DB_BTREE :
71 s ? DB_BTREE : DB_UNKNOWN;
72
73 gmode = info->mode == DBA_READER ? DB_RDONLY :
74 (info->mode == DBA_CREAT && s) ? DB_CREATE :
75 (info->mode == DBA_CREAT && !s) ? 0 :
76 info->mode == DBA_WRITER ? 0 :
77 info->mode == DBA_TRUNC ? DB_CREATE | DB_TRUNCATE : -1;
78
79 if (gmode == -1) {
80 return FAILURE; /* not possible */
81 }
82
83 if (info->argc > 0) {
84 convert_to_long_ex(info->argv[0]);
85 filemode = Z_LVAL_PP(info->argv[0]);
86 }
87
88 #ifdef DB_FCNTL_LOCKING
89 gmode |= DB_FCNTL_LOCKING;
90 #endif
91
92 if ((err=db_create(&dbp, NULL, 0)) == 0) {
93 dbp->set_errcall(dbp, php_dba_db3_errcall_fcn);
94 if ((err=dbp->open(dbp, info->path, NULL, type, gmode, filemode)) == 0) {
95 dba_db3_data *data;
96
97 data = pemalloc(sizeof(*data), info->flags&DBA_PERSISTENT);
98 data->dbp = dbp;
99 data->cursor = NULL;
100 info->dbf = data;
101
102 return SUCCESS;
103 } else {
104 dbp->close(dbp, 0);
105 *error = db_strerror(err);
106 }
107 } else {
108 *error = db_strerror(err);
109 }
110
111 return FAILURE;
112 }
113
DBA_CLOSE_FUNC(db3)114 DBA_CLOSE_FUNC(db3)
115 {
116 DB3_DATA;
117
118 if (dba->cursor) dba->cursor->c_close(dba->cursor);
119 dba->dbp->close(dba->dbp, 0);
120 pefree(dba, info->flags&DBA_PERSISTENT);
121 }
122
DBA_FETCH_FUNC(db3)123 DBA_FETCH_FUNC(db3)
124 {
125 DBT gval;
126 char *new = NULL;
127 DB3_DATA;
128 DB3_GKEY;
129
130 memset(&gval, 0, sizeof(gval));
131 if (!dba->dbp->get(dba->dbp, NULL, &gkey, &gval, 0)) {
132 if (newlen) *newlen = gval.size;
133 new = estrndup(gval.data, gval.size);
134 }
135 return new;
136 }
137
DBA_UPDATE_FUNC(db3)138 DBA_UPDATE_FUNC(db3)
139 {
140 DBT gval;
141 DB3_DATA;
142 DB3_GKEY;
143
144 memset(&gval, 0, sizeof(gval));
145 gval.data = (char *) val;
146 gval.size = vallen;
147
148 if (!dba->dbp->put(dba->dbp, NULL, &gkey, &gval,
149 mode == 1 ? DB_NOOVERWRITE : 0)) {
150 return SUCCESS;
151 }
152 return FAILURE;
153 }
154
DBA_EXISTS_FUNC(db3)155 DBA_EXISTS_FUNC(db3)
156 {
157 DBT gval;
158 DB3_DATA;
159 DB3_GKEY;
160
161 memset(&gval, 0, sizeof(gval));
162 if (!dba->dbp->get(dba->dbp, NULL, &gkey, &gval, 0)) {
163 return SUCCESS;
164 }
165 return FAILURE;
166 }
167
DBA_DELETE_FUNC(db3)168 DBA_DELETE_FUNC(db3)
169 {
170 DB3_DATA;
171 DB3_GKEY;
172
173 return dba->dbp->del(dba->dbp, NULL, &gkey, 0) ? FAILURE : SUCCESS;
174 }
175
DBA_FIRSTKEY_FUNC(db3)176 DBA_FIRSTKEY_FUNC(db3)
177 {
178 DB3_DATA;
179
180 if (dba->cursor) {
181 dba->cursor->c_close(dba->cursor);
182 }
183
184 dba->cursor = NULL;
185 if (dba->dbp->cursor(dba->dbp, NULL, &dba->cursor, 0) != 0) {
186 return NULL;
187 }
188
189 /* we should introduce something like PARAM_PASSTHRU... */
190 return dba_nextkey_db3(info, newlen TSRMLS_CC);
191 }
192
DBA_NEXTKEY_FUNC(db3)193 DBA_NEXTKEY_FUNC(db3)
194 {
195 DB3_DATA;
196 DBT gkey, gval;
197 char *nkey = NULL;
198
199 memset(&gkey, 0, sizeof(gkey));
200 memset(&gval, 0, sizeof(gval));
201
202 if (dba->cursor->c_get(dba->cursor, &gkey, &gval, DB_NEXT) == 0) {
203 if (gkey.data) {
204 nkey = estrndup(gkey.data, gkey.size);
205 if (newlen) *newlen = gkey.size;
206 }
207 }
208
209 return nkey;
210 }
211
DBA_OPTIMIZE_FUNC(db3)212 DBA_OPTIMIZE_FUNC(db3)
213 {
214 return SUCCESS;
215 }
216
DBA_SYNC_FUNC(db3)217 DBA_SYNC_FUNC(db3)
218 {
219 DB3_DATA;
220
221 return dba->dbp->sync(dba->dbp, 0) ? FAILURE : SUCCESS;
222 }
223
DBA_INFO_FUNC(db3)224 DBA_INFO_FUNC(db3)
225 {
226 return estrdup(DB_VERSION_STRING);
227 }
228
229 #endif
230
231 /*
232 * Local variables:
233 * tab-width: 4
234 * c-basic-offset: 4
235 * End:
236 * vim600: sw=4 ts=4 fdm=marker
237 * vim<600: sw=4 ts=4
238 */
239
