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kamailio/modules_s/fifo/fifo.c

117 lines
3.3 KiB

/*
* $Id$
*
* Copyright (C) 2005 iptelorg GmbH
*
* 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
*/
#include "../../str.h"
#include "../../sr_module.h"
#include "../../error.h"
#include "../../mem/mem.h"
#include "../../parser/msg_parser.h"
#include "../../ut.h"
#include "../../dprint.h"
#include "../../pt.h"
#include "../../cfg/cfg_struct.h"
#include "fifo_server.h"
#include "fifo.h"
MODULE_VERSION
static int mod_init(void);
static int child_init(int rank);
static void mod_destroy(void);
/*
* Exported functions
*/
static cmd_export_t cmds[] = {
{0, 0, 0, 0, 0}
};
/*
* Exported parameters
*/
static param_export_t params[] = {
{"fifo_file", PARAM_STRING, &fifo },
{"fifo_dir", PARAM_STRING, &fifo_dir },
{"user", PARAM_STRING, &fifo_user },
{"mode", PARAM_INT, &fifo_mode },
{"group", PARAM_STRING, &fifo_group },
{"reply_retries", PARAM_INT, &fifo_reply_retries },
{"reply_wait", PARAM_INT, &fifo_reply_wait },
{0, 0, 0}
};
struct module_exports exports = {
"fifo",
cmds, /* Exported commands */
0, /* Exported RPC methods */
params, /* Exported parameters */
mod_init, /* module initialization function */
0, /* response function*/
mod_destroy, /* destroy function */
0, /* oncancel function */
child_init /* per-child init function */
};
static int mod_init(void)
{
if (init_fifo_server() < 0) return -1;
/* Signal to the core that we will be creating one
* additional process
*/
if (fifo) {
register_procs(1);
/* The child process will keep updating its
* local configuration */
cfg_register_child(1);
}
return 0;
}
static int child_init(int rank)
{
/* Note: We call init_fifo_server from mod_init, this
* will call the function at an early init stage -- before
* do_suid, thus the function would have sufficient permissions
* to change the user and group for FIFO
*
* start_fifo_server gets called from PROC_MAIN child init, this
* ensures that the function gets called at the end of the init
* process, when all the sockets are properly initialized.
*/
if (rank == PROC_MAIN) { /* FIXME: nofork rank==1 */
if (start_fifo_server() < 0) return -1;
}
return 0;
}
static void mod_destroy(void)
{
destroy_fifo();
}