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kamailio/modules/db_flatstore/km_flatstore_mod.c

159 lines
3.3 KiB

/*
* $Id$
*
* Flatstore module interface
*
* Copyright (C) 2004 FhG Fokus
*
* This file is part of Kamailio, a free SIP server.
*
* Kamailio 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
*
* Kamailio 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 "../../sr_module.h"
#include "../../mem/shm_mem.h"
#include "../../lib/srdb1/db.h"
#include "km_flatstore.h"
#include "km_flat_mi.h"
#include "km_flatstore_mod.h"
#include "flatstore_mod.h"
/*MODULE_VERSION*/
int db_flat_bind_api(db_func_t *dbb);
/*
* Process number used in filenames
*/
int km_flat_pid;
/*
* Delimiter delimiting columns
*/
char* km_flat_delimiter = "|";
/*
* Timestamp of the last log rotation request from
* the FIFO interface
*/
time_t* km_flat_rotate;
time_t km_local_timestamp;
/*
* Flatstore database module interface
*/
static kam_cmd_export_t cmds[] = {
{"db_bind_api", (cmd_function)db_flat_bind_api, 0, 0, 0, 0},
{0, 0, 0, 0, 0, 0}
};
/*
* Exported parameters
*/
static param_export_t params[] = {
{0, 0, 0}
};
/*
* Exported parameters
*/
static mi_export_t mi_cmds[] = {
{ MI_FLAT_ROTATE, mi_flat_rotate_cmd, MI_NO_INPUT_FLAG, 0, 0 },
{ 0, 0, 0, 0, 0}
};
struct kam_module_exports km_exports = {
"db_flatstore",
DEFAULT_DLFLAGS, /* dlopen flags */
cmds,
params, /* module parameters */
0, /* exported statistics */
mi_cmds, /* exported MI functions */
0, /* exported pseudo-variables */
0, /* extra processes */
km_mod_init, /* module initialization function */
0, /* response function*/
km_mod_destroy, /* destroy function */
km_child_init /* per-child init function */
};
int km_mod_init(void)
{
if(register_mi_mod(km_exports.name, mi_cmds)!=0)
{
LM_ERR("failed to register MI commands\n");
return -1;
}
if (strlen(km_flat_delimiter) != 1) {
LM_ERR("delimiter has to be exactly one character\n");
return -1;
}
km_flat_rotate = (time_t*)shm_malloc(sizeof(time_t));
if (!km_flat_rotate) {
LM_ERR("no shared memory left\n");
return -1;
}
*km_flat_rotate = time(0);
km_local_timestamp = *km_flat_rotate;
return 0;
}
void km_mod_destroy(void)
{
if (km_flat_rotate) shm_free(km_flat_rotate);
}
int km_child_init(int rank)
{
if (rank <= 0) {
km_flat_pid = - rank;
} else {
km_flat_pid = rank - PROC_MIN;
}
return 0;
}
int db_flat_bind_api(db_func_t *dbb)
{
if(dbb==NULL)
return -1;
memset(dbb, 0, sizeof(db_func_t));
dbb->use_table = flat_use_table;
dbb->init = flat_db_init;
dbb->close = flat_db_close;
dbb->insert = flat_db_insert;
return 0;
}