--- /dev/null
+/*
+ +----------------------------------------------------------------------+
+ | PHP Version 7 |
+ +----------------------------------------------------------------------+
+ | Copyright (c) 2017 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: Anatol Belski <ab@php.net> |
+ +----------------------------------------------------------------------+
+*/
+
+/* $Id$ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "php.h"
+
+#if DBA_LMDB
+#include "php_lmdb.h"
+
+#ifdef LMDB_INCLUDE_FILE
+#include LMDB_INCLUDE_FILE
+#endif
+
+struct php_lmdb_info {
+ MDB_env *env;
+ MDB_txn *txn;
+ MDB_dbi dbi;
+ MDB_cursor *cur;
+};
+
+#define LMDB_IT(it) (((struct php_lmdb_info *)info->dbf)->it)
+
+DBA_OPEN_FUNC(lmdb)
+{
+ MDB_env *env;
+ MDB_txn *txn;
+ int rc, mode = 0644, flags = MDB_NOSUBDIR;
+
+ if(info->argc > 0) {
+ convert_to_long_ex(&info->argv[0]);
+ mode = Z_LVAL(info->argv[0]);
+
+ /* TODO implement handling of the additional flags. */
+ }
+
+ rc = mdb_env_create(&env);
+ if (rc) {
+ *error = mdb_strerror(rc);
+ return FAILURE;
+ }
+
+ rc = mdb_env_open(env, info->path, flags, mode);
+ if (rc) {
+ *error = mdb_strerror(rc);
+ return FAILURE;
+ }
+
+ rc = mdb_txn_begin(env, NULL, 0, &txn);
+ if (rc) {
+ mdb_env_close(env);
+ *error = mdb_strerror(rc);
+ return FAILURE;
+ }
+
+ info->dbf = pemalloc(sizeof(struct php_lmdb_info), info->flags & DBA_PERSISTENT);
+ if (!info->dbf) {
+ *error = "Failed to allocate php_lmdb_info.";
+ return FAILURE;
+ }
+ memset(info->dbf, 0, sizeof(struct php_lmdb_info));
+
+ rc = mdb_dbi_open(txn, NULL, 0, &LMDB_IT(dbi));
+ if (rc) {
+ mdb_env_close(env);
+ pefree(info->dbf, info->flags & DBA_PERSISTENT);
+ *error = mdb_strerror(rc);
+ return FAILURE;
+ }
+
+ LMDB_IT(env) = env;
+ LMDB_IT(txn) = txn;
+
+ mdb_txn_abort(LMDB_IT(txn));
+
+ return SUCCESS;
+}
+
+DBA_CLOSE_FUNC(lmdb)
+{
+ mdb_dbi_close(LMDB_IT(env), LMDB_IT(dbi));
+ mdb_env_close(LMDB_IT(env));
+
+ pefree(info->dbf, info->flags & DBA_PERSISTENT);
+}
+
+DBA_FETCH_FUNC(lmdb)
+{
+ int rc;
+ MDB_val k, v;
+ char *ret = NULL;
+
+ if (LMDB_IT(cur)) {
+ rc = mdb_txn_renew(LMDB_IT(txn));
+ } else {
+ rc = mdb_txn_begin(LMDB_IT(env), NULL, MDB_RDONLY, &LMDB_IT(txn));
+ }
+ if (rc) {
+ php_error_docref1(NULL, key, E_WARNING, "%s", mdb_strerror(rc));
+ return NULL;
+ }
+
+ k.mv_size = keylen;
+ k.mv_data = key;
+
+ rc = mdb_get(LMDB_IT(txn), LMDB_IT(dbi), &k, &v);
+ if (rc) {
+ if (MDB_NOTFOUND != rc) {
+ php_error_docref1(NULL, key, E_WARNING, "%s", mdb_strerror(rc));
+ }
+ mdb_txn_abort(LMDB_IT(txn));
+ return NULL;
+ }
+
+ if (v.mv_data) {
+ if(newlen) *newlen = v.mv_size;
+ ret = estrndup(v.mv_data, v.mv_size);
+ }
+
+ if (LMDB_IT(cur)) {
+ mdb_txn_reset(LMDB_IT(txn));
+ } else {
+ mdb_txn_abort(LMDB_IT(txn));
+ }
+
+ return ret;
+}
+
+DBA_UPDATE_FUNC(lmdb)
+{
+ int rc;
+ MDB_val k, v;
+
+ rc = mdb_txn_begin(LMDB_IT(env), NULL, 0, &LMDB_IT(txn));
+ if (rc) {
+ php_error_docref2(NULL, key, val, E_WARNING, "%s", mdb_strerror(rc));
+ return FAILURE;
+ }
+
+ k.mv_size = keylen;
+ k.mv_data = key;
+ v.mv_size = vallen;
+ v.mv_data = val;
+
+ rc = mdb_put(LMDB_IT(txn), LMDB_IT(dbi), &k, &v, mode == 1 ? MDB_NOOVERWRITE : 0);
+ if (rc) {
+ if (MDB_KEYEXIST != rc) {
+ php_error_docref2(NULL, key, val, E_WARNING, "%s", mdb_strerror(rc));
+ }
+ mdb_txn_abort(LMDB_IT(txn));
+ return FAILURE;
+ }
+
+ rc = mdb_txn_commit(LMDB_IT(txn));
+ if (rc) {
+ php_error_docref2(NULL, key, val, E_WARNING, "%s", mdb_strerror(rc));
+ mdb_txn_abort(LMDB_IT(txn));
+ return FAILURE;
+ }
+
+ return SUCCESS;
+}
+
+DBA_EXISTS_FUNC(lmdb)
+{
+ int rc;
+ MDB_val k, v;
+
+ if (LMDB_IT(cur)) {
+ rc = mdb_txn_renew(LMDB_IT(txn));
+ } else {
+ rc = mdb_txn_begin(LMDB_IT(env), NULL, MDB_RDONLY, &LMDB_IT(txn));
+ }
+ if (rc) {
+ php_error_docref1(NULL, key, E_WARNING, "%s", mdb_strerror(rc));
+ return FAILURE;
+ }
+
+ k.mv_size = keylen;
+ k.mv_data = key;
+
+ rc = mdb_get(LMDB_IT(txn), LMDB_IT(dbi), &k, &v);
+ if (rc) {
+ if (MDB_NOTFOUND != rc) {
+ php_error_docref1(NULL, key, E_WARNING, "%s", mdb_strerror(rc));
+ }
+ mdb_txn_abort(LMDB_IT(txn));
+ return FAILURE;
+ }
+
+ if (LMDB_IT(cur)) {
+ mdb_txn_reset(LMDB_IT(txn));
+ } else {
+ mdb_txn_abort(LMDB_IT(txn));
+ }
+
+ return SUCCESS;
+}
+
+DBA_DELETE_FUNC(lmdb)
+{
+ int rc;
+ MDB_val k;
+
+ rc = mdb_txn_begin(LMDB_IT(env), NULL, 0, &LMDB_IT(txn));
+ if (rc) {
+ php_error_docref1(NULL, key, E_WARNING, "%s", mdb_strerror(rc));
+ return FAILURE;
+ }
+
+ k.mv_size = keylen;
+ k.mv_data = key;
+
+ rc = mdb_del(LMDB_IT(txn), LMDB_IT(dbi), &k, NULL);
+ if (!rc) {
+ rc = mdb_txn_commit(LMDB_IT(txn));
+ if (rc) {
+ php_error_docref1(NULL, key, E_WARNING, "%s", mdb_strerror(rc));
+ mdb_txn_abort(LMDB_IT(txn));
+ return FAILURE;
+ }
+ return SUCCESS;
+ }
+
+ php_error_docref1(NULL, key, E_WARNING, "%s", mdb_strerror(rc));
+
+ return FAILURE;
+}
+
+DBA_FIRSTKEY_FUNC(lmdb)
+{
+ int rc;
+ MDB_val k, v;
+ char *ret = NULL;
+
+ rc = mdb_txn_begin(LMDB_IT(env), NULL, MDB_RDONLY, &LMDB_IT(txn));
+ if (rc) {
+ php_error_docref0(NULL, E_WARNING, "%s", mdb_strerror(rc));
+ return NULL;
+ }
+
+ rc = mdb_cursor_open(LMDB_IT(txn), LMDB_IT(dbi), &LMDB_IT(cur));
+ if (rc) {
+ mdb_txn_abort(LMDB_IT(txn));
+ php_error_docref0(NULL, E_WARNING, "%s", mdb_strerror(rc));
+ return NULL;
+ }
+
+ rc = mdb_cursor_get(LMDB_IT(cur), &k, &v, MDB_FIRST);
+ if (rc) {
+ mdb_txn_abort(LMDB_IT(txn));
+ mdb_cursor_close(LMDB_IT(cur));
+ if (MDB_NOTFOUND != rc) {
+ php_error_docref0(NULL, E_WARNING, "%s", mdb_strerror(rc));
+ }
+ return NULL;
+ }
+
+ if(k.mv_data) {
+ if(newlen) *newlen = k.mv_size;
+ ret = estrndup(k.mv_data, k.mv_size);
+ }
+
+ mdb_txn_reset(LMDB_IT(txn));
+
+ return ret;
+}
+
+DBA_NEXTKEY_FUNC(lmdb)
+{
+ int rc;
+ MDB_val k, v;
+ char *ret = NULL;
+
+ rc = mdb_txn_renew(LMDB_IT(txn));
+ if (rc) {
+ php_error_docref0(NULL, E_WARNING, "%s", mdb_strerror(rc));
+ return NULL;
+ }
+
+ rc = mdb_cursor_get(LMDB_IT(cur), &k, &v, MDB_NEXT);
+ if (rc) {
+ mdb_txn_abort(LMDB_IT(txn));
+ mdb_cursor_close(LMDB_IT(cur));
+ LMDB_IT(cur) = NULL;
+ if (MDB_NOTFOUND != rc) {
+ php_error_docref0(NULL, E_WARNING, "%s", mdb_strerror(rc));
+ }
+ return NULL;
+ }
+
+ if(k.mv_data) {
+ if(newlen) *newlen = k.mv_size;
+ ret = estrndup(k.mv_data, k.mv_size);
+ }
+
+ mdb_txn_reset(LMDB_IT(txn));
+
+ return ret;
+}
+
+DBA_OPTIMIZE_FUNC(lmdb)
+{
+ return SUCCESS;
+}
+
+DBA_SYNC_FUNC(lmdb)
+{
+ int rc;
+
+ rc = mdb_env_sync(LMDB_IT(env), 1);
+ if (rc) {
+ php_error_docref0(NULL, E_WARNING, "%s", mdb_strerror(rc));
+ return FAILURE;
+ }
+
+ return SUCCESS;
+}
+
+DBA_INFO_FUNC(lmdb)
+{
+ return estrdup(MDB_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
+ */
projects / php / commitdiff