/*
* $Id: db_val.c,v 1.4.2.1 2005/07/20 17:11:52 andrei Exp $
*
* POSTGRES module, portions of this code were templated using
* the mysql module, thus it's similarity.
*
*
* Copyright (C) 2003 August.Net Services, LLC
*
* This file is part of ser, a free SIP server.
*
* ser is free software; you can redistribute it and/or modify
* it under the terms of 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
*
* For a license to use the ser software under conditions
* other than those described here, or to purchase support for this
* software, please contact iptel.org by e-mail at the following addresses:
* info@iptel.org
*
* ser 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 the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* ---
*
* History
* -------
* 2003-04-06 initial code written (Greg Fausak/Andy Fullford)
* 2003-04-14 gmtime changed to localtime because mktime later
* expects localtime, changed daylight saving bug
* previously found in mysql module (janakj)
*
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "../../db/db_val.h"
#include "../../dprint.h"
#include "defs.h"
#include "db_utils.h"
#include "con_postgres.h"
#include "aug_std.h"
char *strptime(const char *s, const char *format, struct tm *tm);
/*
* Convert a string to integer
*/
static inline int str2int(const char* _s, int* _v)
{
#ifdef PARANOID
if ((!_s) || (!_v)) {
LOG(L_ERR, "str2int(): Invalid parameter value\n");
return -1;
}
#endif
*_v = atoi(_s);
return 0;
}
/*
* Convert a string to double
*/
static inline int str2double(const char* _s, double* _v)
{
#ifdef PARANOID
if ((!_s) || (!_v)) {
LOG(L_ERR, "str2double(): Invalid parameter value\n");
return -1;
}
#endif
*_v = atof(_s);
return 0;
}
/*
* Convert a string to time_t
*/
static inline int str2time(const char* _s, time_t* _v)
{
struct tm t;
#ifdef PARANOID
if ((!_s) || (!_v)) {
LOG(L_ERR, "str2time(): Invalid parameter value\n");
return -1;
}
#endif
memset(&t, '\0', sizeof(struct tm));
strptime(_s,"%Y-%m-%d %H:%M:%S %z",&t);
/* Daylight saving information got lost in the database
* so let mktime to guess it. This eliminates the bug when
* contacts reloaded from the database have different time
* of expiration by one hour when daylight saving is used
*/
t.tm_isdst = -1;
*_v = mktime(&t);
return 0;
}
/*
* Convert an integer to string
*/
static inline int int2str(int _v, char* _s, int* _l)
{
#ifdef PARANOID
if ((!_s) || (!_l) || (!*_l)) {
LOG(L_ERR, "int2str(): Invalid parameter value\n");
return -1;
}
#endif
*_l = snprintf(_s, *_l, "%-d", _v);
return 0;
}
/*
* Convert a double to string
*/
static inline int double2str(double _v, char* _s, int* _l)
{
#ifdef PARANOID
if ((!_s) || (!_l) || (!*_l)) {
LOG(L_ERR, "double2str(): Invalid parameter value\n");
return -1;
}
#endif
*_l = snprintf(_s, *_l, "%-10.2f", _v);
return 0;
}
/*
* Convert time_t to string
*/
static inline int time2str(time_t _v, char* _s, int* _l)
{
struct tm *t;
int bl;
#ifdef PARANOID
if ((!_s) || (!_l) || (*_l < 2)) {
LOG(L_ERR, "Invalid parameter value\n");
return -1;
}
#endif
t = localtime(&_v);
if((bl=strftime(_s,(size_t)(*_l)-1,"'%Y-%m-%d %H:%M:%S %z'",t))>0)
*_l = bl;
return 0;
}
/*
* Does not copy strings
*/
int str2valp(db_type_t _t, db_val_t* _v, const char* _s, int _l, void *_p)
{
char dbuf[256];
#ifdef PARANOID
if (!_v) {
LOG(L_ERR, "str2valp(): Invalid parameter value\n");
return -1;
}
#endif
if (!_s) {
DLOG("str2valp", "got a null value");
VAL_TYPE(_v) = _t;
VAL_NULL(_v) = 1;
return 0;
}
VAL_NULL(_v) = 0;
switch(_t) {
case DB_INT:
case DB_BITMAP:
sprintf(dbuf, "got int %s", _s);
DLOG("str2valp", dbuf);
if (str2int(_s, &VAL_INT(_v)) < 0) {
LOG(L_ERR, "str2valp(): Error while converting integer value from string\n");
return -2;
} else {
VAL_TYPE(_v) = DB_INT;
return 0;
}
break;
case DB_DOUBLE:
sprintf(dbuf, "got double %s", _s);
DLOG("str2valp", dbuf);
if (str2double(_s, &VAL_DOUBLE(_v)) < 0) {
LOG(L_ERR, "str2valp(): Error while converting double value from string\n");
return -3;
} else {
VAL_TYPE(_v) = DB_DOUBLE;
return 0;
}
break;
case DB_STRING:
sprintf(dbuf, "got string %s", _s);
DLOG("str2valp", dbuf);
VAL_STRING(_v) = aug_strdup(_s, _p);
VAL_TYPE(_v) = DB_STRING;
return 0;
case DB_STR:
VAL_STR(_v).s = aug_alloc(_l + 1, _p);
memcpy(VAL_STR(_v).s, _s, _l);
VAL_STR(_v).s[_l] = (char) 0;
VAL_STR(_v).len = _l;
VAL_TYPE(_v) = DB_STR;
sprintf(dbuf, "got len string %d %s", _l, _s);
DLOG("str2valp", dbuf);
return 0;
case DB_DATETIME:
sprintf(dbuf, "got time %s", _s);
DLOG("str2valp", dbuf);
if (str2time(_s, &VAL_TIME(_v)) < 0) {
PLOG("str2valp", "error converting datetime");
return -4;
} else {
VAL_TYPE(_v) = DB_DATETIME;
return 0;
}
break;
case DB_BLOB:
VAL_STR(_v).s = aug_alloc(_l + 1, _p);
memcpy(VAL_STR(_v).s, _s, _l);
VAL_STR(_v).s[_l] = (char) 0;
VAL_STR(_v).len = _l;
VAL_TYPE(_v) = DB_BLOB;
sprintf(dbuf, "got blob %d", _l);
DLOG("str2valp", dbuf);
return 0;
}
return -5;
}
/*
* Used when converting result from a query
*/
int val2str(db_val_t* _v, char* _s, int* _len)
{
int l;
#ifdef PARANOID
if ((!_v) || (!_s) || (!_len) || (!*_len)) {
LOG(L_ERR, "val2str(): Invalid parameter value\n");
return -1;
}
#endif
if (VAL_NULL(_v)) {
*_len = snprintf(_s, *_len, "NULL");
return 0;
}
switch(VAL_TYPE(_v)) {
case DB_INT:
if (int2str(VAL_INT(_v), _s, _len) < 0) {
LOG(L_ERR, "val2str(): Error while converting string to int\n");
return -2;
} else {
return 0;
}
break;
case DB_DOUBLE:
if (double2str(VAL_DOUBLE(_v), _s, _len) < 0) {
LOG(L_ERR, "val2str(): Error while converting string to double\n");
return -3;
} else {
return 0;
}
break;
case DB_STRING:
l = strlen(VAL_STRING(_v));
LOG(L_ERR, "val2str(): converting %s, %d\n", VAL_STRING(_v), l);
if (*_len < (l + 3)) {
LOG(L_ERR, "val2str(): Destination buffer too short\n");
return -4;
} else {
*_s++ = '\'';
memcpy(_s, VAL_STRING(_v), l);
*(_s + l) = '\'';
*(_s + l + 1) = '\0'; /* FIXME */
*_len = l + 2;
return 0;
}
break;
case DB_STR:
l = VAL_STR(_v).len;
if (*_len < (l + 3)) {
LOG(L_ERR, "val2str(): Destination buffer too short %d\n", *_len);
return -5;
} else {
*_s++ = '\'';
memcpy(_s, VAL_STR(_v).s, l);
*(_s + l) = '\'';
*(_s + l + 1) = '\0';
*_len = l + 2;
return 0;
}
break;
case DB_DATETIME:
if (time2str(VAL_TIME(_v), _s, _len) < 0) {
LOG(L_ERR, "val2str(): Error while converting string to time_t\n");
return -6;
} else {
return 0;
}
break;
case DB_BLOB:
l = VAL_BLOB(_v).len;
if (*_len < (l * 2 + 3)) {
LOG(L_ERR, "val2str(): Destination buffer too short\n");
return -7;
} else {
/* WRITE ME */
return 0;
}
break;
default:
DBG("val2str(): Unknown data type\n");
return -7;
}
return -8;
}
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