root/dba/dba_tcadb.c

DEFINITIONS

1. DBA_OPEN_FUNC
2. DBA_CLOSE_FUNC
3. DBA_FETCH_FUNC
4. DBA_UPDATE_FUNC
5. DBA_EXISTS_FUNC
6. DBA_DELETE_FUNC
7. DBA_FIRSTKEY_FUNC
8. DBA_NEXTKEY_FUNC
9. DBA_OPTIMIZE_FUNC
10. DBA_SYNC_FUNC
11. DBA_INFO_FUNC

/*
   +----------------------------------------------------------------------+
   | 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:  Michael Maclean <mgdm@php.net>                              |
   +----------------------------------------------------------------------+
 */

/* $Id$ */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include "php.h"

#if DBA_TCADB
#include "php_tcadb.h"

#ifdef TCADB_INCLUDE_FILE
#include TCADB_INCLUDE_FILE
#endif

#define TCADB_DATA dba_tcadb_data *dba = info->dbf

typedef struct {
        TCADB *tcadb;   
} dba_tcadb_data;

DBA_OPEN_FUNC(tcadb)
{
        char *path_string;
        TCADB *tcadb = tcadbnew();

        if (tcadb) {
                switch(info->mode) {
                        case DBA_READER:
                                spprintf(&path_string, 0, "%s#mode=r", info->path);
                                break;
                        case DBA_WRITER:
                                spprintf(&path_string, 0, "%s#mode=w", info->path);
                                break;
                        case DBA_CREAT:
                                spprintf(&path_string, 0, "%s#mode=wc", info->path);
                                break;
                        case DBA_TRUNC:
                                spprintf(&path_string, 0, "%s#mode=wct", info->path);
                                break;
                        default:
                                tcadbdel(tcadb);
                                return FAILURE;
                }

                if (!tcadbopen(tcadb, path_string)) {
                        efree(path_string);
                        tcadbdel(tcadb);
                        return FAILURE;
                }

                efree(path_string);

                info->dbf = pemalloc(sizeof(dba_tcadb_data), info->flags & DBA_PERSISTENT);
                memset(info->dbf, 0, sizeof(dba_tcadb_data));
                ((dba_tcadb_data *) info->dbf)->tcadb = tcadb;
                return SUCCESS;
        }

        return FAILURE;
}

DBA_CLOSE_FUNC(tcadb)
{
        TCADB_DATA;

        tcadbclose(dba->tcadb);
        pefree(dba, info->flags & DBA_PERSISTENT);
}

DBA_FETCH_FUNC(tcadb)
{
        TCADB_DATA;
        char *value, *new = NULL;
        int value_size;

        value = tcadbget(dba->tcadb, key, keylen, &value_size);
        if (value) {
                if (newlen) {
                        *newlen = value_size;
                }
                new = estrndup(value, value_size);
                tcfree(value);
        }

        return new;
}

DBA_UPDATE_FUNC(tcadb)
{
        TCADB_DATA;
        int result;

        if (mode == 1) {
                /* Insert */
                if (tcadbvsiz(dba->tcadb, key, keylen) > -1) {
                        return FAILURE;
                }
        }
        
        result = tcadbput(dba->tcadb, key, keylen, val, vallen);

        if (result) {
                return SUCCESS;
        }

        php_error_docref2(NULL TSRMLS_CC, key, val, E_WARNING, "Error updating data");
        return FAILURE;
}

DBA_EXISTS_FUNC(tcadb)
{
        TCADB_DATA;
        char *value;
        int value_len;

        value = tcadbget(dba->tcadb, key, keylen, &value_len);
        if (value) {
                tcfree(value);
                return SUCCESS;
        }

        return FAILURE;
}

DBA_DELETE_FUNC(tcadb)
{
        TCADB_DATA;

        return tcadbout(dba->tcadb, key, keylen) ? SUCCESS : FAILURE;
}

DBA_FIRSTKEY_FUNC(tcadb)
{
        TCADB_DATA;
        int value_size;
        char *value, *new = NULL;

        tcadbiterinit(dba->tcadb);

        value = tcadbiternext(dba->tcadb, &value_size);
        if (value) {
                if (newlen) {
                        *newlen = value_size;
                }
                new = estrndup(value, value_size);
                tcfree(value);
        }

        return new;
}

DBA_NEXTKEY_FUNC(tcadb)
{
        TCADB_DATA;
        int value_size;
        char *value, *new = NULL;

        value = tcadbiternext(dba->tcadb, &value_size);
        if (value) {
                if (newlen) {
                        *newlen = value_size;
                }
                new = estrndup(value, value_size);
                tcfree(value);
        }

        return new;
}

DBA_OPTIMIZE_FUNC(tcadb)
{
        TCADB_DATA;

#if _TC_LIBVER >= 811
        return tcadboptimize(dba->tcadb, NULL) ? SUCCESS : FAILURE;
#else
        return FAILURE;
#endif
}

DBA_SYNC_FUNC(tcadb)
{
        TCADB_DATA;

        return tcadbsync(dba->tcadb) ? SUCCESS : FAILURE;
}

DBA_INFO_FUNC(tcadb)
{
        return estrdup(tcversion);
}

#endif

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