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/*
* $Id: flatstore.c,v 1.1.1.1 2005/06/13 16:47:38 bogdan_iancu Exp $
*
* Flatstore module interface
*
* Copyright (C) 2004 FhG Fokus
*
* This file is part of openser, a free SIP server.
*
* openser 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
*
* openser 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:
* --------
* 2003-03-11 updated to the new module exports interface (andrei)
* 2003-03-16 flags export parameter added (janakj)
*/
#include <string.h>
#include "../../mem/mem.h"
#include "../../dprint.h"
#include "flat_pool.h"
#include "flat_con.h"
#include "flatstore_mod.h"
#include "flatstore.h"
static int parse_flat_url(const char* url, const char** path)
{
int len;
if (!url || !path) {
LOG(L_ERR, "parse_flat_url: Invalid parameter value\n");
return -1;
}
len = strlen(url);
*path = strchr(url, ':') + 1;
return 0;
}
/*
* Initialize database module
* No function should be called before this
*/
db_con_t* flat_db_init(const char* url)
{
db_con_t* res;
if (!url) {
LOG(L_ERR, "flat_db_init: Invalid parameter value\n");
return 0;
}
/* We do not know the name of the table (and the name of the corresponding file)
* at this point, we will simply store the path taken from url parameter in the
* table variable, flat_use_table will then pick that value and open file
*/
res = pkg_malloc(sizeof(db_con_t) + sizeof(struct flat_con*));
if (!res) {
LOG(L_ERR, "flat_db_init: No memory left\n");
return 0;
}
memset(res, 0, sizeof(db_con_t) + sizeof(struct flat_con*));
if (parse_flat_url(url, &res->table) < 0) {
pkg_free(res);
return 0;
}
return res;
}
/*
* Store name of table that will be used by
* subsequent database functions
*/
int flat_use_table(db_con_t* h, const char* t)
{
struct flat_con* con;
if (!h || !t) {
LOG(L_ERR, "flat_use_table: Invalid parameter value\n");
return -1;
}
if (CON_TABLE(h) != t) {
if (CON_TAIL(h)) {
/* Decrement the reference count
* of the connection but do not remove
* it from the connection pool
*/
con = (struct flat_con*)CON_TAIL(h);
con->ref--;
}
CON_TAIL(h) = (unsigned long)flat_get_connection((char*)CON_TABLE(h), (char*)t);
if (!CON_TAIL(h)) {
return -1;
}
}
return 0;
}
void flat_db_close(db_con_t* h)
{
struct flat_con* con;
if (!h) {
LOG(L_ERR, "db_close: Invalid parameter value\n");
return;
}
con = (struct flat_con*)CON_TAIL(h);
if (con) {
flat_release_connection(con);
}
pkg_free(h);
}
/*
* Insert a row into specified table
* h: structure representing database connection
* k: key names
* v: values of the keys
* n: number of key=value pairs
*/
int flat_db_insert(db_con_t* h, db_key_t* k, db_val_t* v, int n)
{
FILE* f;
int i;
f = CON_FILE(h);
if (!f) {
LOG(L_CRIT, "BUG: flat_db_insert: Uninitialized connection\n");
return -1;
}
if (local_timestamp < *flat_rotate) {
flat_rotate_logs();
local_timestamp = *flat_rotate;
}
for(i = 0; i < n; i++) {
switch(VAL_TYPE(v + i)) {
case DB_INT:
fprintf(f, "%d", VAL_INT(v + i));
break;
case DB_DOUBLE:
fprintf(f, "%f", VAL_DOUBLE(v + i));
break;
case DB_STRING:
fprintf(f, "%s", VAL_STRING(v + i));
break;
case DB_STR:
fprintf(f, "%.*s", VAL_STR(v + i).len, VAL_STR(v + i).s);
break;
case DB_DATETIME:
fprintf(f, "%u", (unsigned int)VAL_TIME(v + i));
break;
case DB_BLOB:
LOG(L_ERR, "flastore: Blobs not supported\n");
break;
case DB_BITMAP:
fprintf(f, "%u", VAL_BITMAP(v + i));
break;
}
if (i < (n - 1)) {
fprintf(f, "%c", *flat_delimiter);
}
}
fprintf(f, "\n");
if (flat_flush) {
fflush(f);
}
return 0;
}
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