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/*
* $Id: flat_con.c,v 1.1.1.1 2005/06/13 16:47:38 bogdan_iancu Exp $
*
* Flastore module connection structure
*
* 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
*/
#include <string.h>
#include <errno.h>
#include "../../mem/mem.h"
#include "../../dprint.h"
#include "../../ut.h"
#include "flatstore_mod.h"
#include "flat_con.h"
#define FILE_SUFFIX ".log"
#define FILE_SUFFIX_LEN (sizeof(FILE_SUFFIX) - 1)
/* returns a pkg_malloc'ed file name */
static char* get_name(struct flat_id* id)
{
char* buf;
int buf_len;
char* num, *ptr;
int num_len;
int total_len;
buf_len=pathmax();
if (!id) {
LOG(L_ERR, "get_name: Invalid parameter value\n");
return 0;
}
total_len=id->dir.len+1 /* / */+id->table.len+1 /* _ */+
FILE_SUFFIX_LEN+1 /* \0 */; /* without pid*/
if (buf_len<total_len){
LOG(L_ERR, "get_name: the path is too long (%d and PATHMAX is %d)\n",
total_len, buf_len);
return 0;
}
buf=pkg_malloc(buf_len);
if (buf==0){
LOG(L_ERR, "ERROR: get_name: memory allocation failure\n");
return 0;
}
ptr = buf;
memcpy(ptr, id->dir.s, id->dir.len);
ptr += id->dir.len;
*ptr++ = '/';
memcpy(ptr, id->table.s, id->table.len);
ptr += id->table.len;
*ptr++ = '_';
num = int2str(flat_pid, &num_len);
if (buf_len<(total_len+num_len)){
LOG(L_ERR, "ERROR: get_name: the path is too long (%d and PATHMAX is"
" %d)\n", total_len+num_len, buf_len);
pkg_free(buf);
return 0;
}
memcpy(ptr, num, num_len);
ptr += num_len;
memcpy(ptr, FILE_SUFFIX, FILE_SUFFIX_LEN);
ptr += FILE_SUFFIX_LEN;
*ptr = '\0';
return buf;
}
struct flat_con* flat_new_connection(struct flat_id* id)
{
char* fn;
struct flat_con* res;
if (!id) {
LOG(L_ERR, "flat_new_connection: Invalid parameter value\n");
return 0;
}
res = (struct flat_con*)pkg_malloc(sizeof(struct flat_con));
if (!res) {
LOG(L_ERR, "flat_new_connection: No memory left\n");
return 0;
}
memset(res, 0, sizeof(struct flat_con));
res->ref = 1;
res->id = id;
fn = get_name(id);
if (fn==0){
LOG(L_ERR, "flat_new_connection: get_name() failed\n");
return 0;
}
res->file = fopen(fn, "a");
pkg_free(fn); /* we don't need fn anymore */
if (!res->file) {
LOG(L_ERR, "flat_new_connection: %s\n", strerror(errno));
pkg_free(res);
return 0;
}
return res;
}
/*
* Close the connection and release memory
*/
void flat_free_connection(struct flat_con* con)
{
if (!con) return;
if (con->id) free_flat_id(con->id);
if (con->file) {
fclose(con->file);
}
pkg_free(con);
}
/*
* Reopen a connection
*/
int flat_reopen_connection(struct flat_con* con)
{
char* fn;
if (!con) {
LOG(L_ERR, "flat_reopen_connection: Invalid parameter value\n");
return -1;
}
if (con->file) {
fclose(con->file);
con->file = 0;
fn = get_name(con->id);
if (fn == 0) {
LOG(L_ERR, "flat_reopen_connection: Error in get_name\n");
return -1;
}
con->file = fopen(fn, "a");
pkg_free(fn);
if (!con->file) {
LOG(L_ERR, "flat_reopen_connection: Invalid parameter value\n");
return -1;
}
}
return 0;
}
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