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kamailio/modules/qos/qos.c

131 lines
3.1 KiB

/*
* QoS module - support for tracking dialogs and SDP
*
* Copyright (C) 2007 SOMA Networks, Inc.
* Written by: Ovidiu Sas (osas)
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
* USA
*
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "../../sr_module.h"
#include "qos_load.h"
#include "qos_handlers.h" /* also includes sr_module.h needed by
handlers */
MODULE_VERSION
static int mod_init(void);
static void mod_destroy(void);
/* The qos message flag value */
static int qos_flag = -1;
/*
* Binding to the dialog module
*/
struct dlg_binds dialog_st;
struct dlg_binds *dlg_binds = &dialog_st;
static cmd_export_t cmds[]={
{"load_qos", (cmd_function)load_qos, 0, 0, 0, 0},
{0,0,0,0,0,0}
};
/*
* Script parameters
*/
static param_export_t mod_params[]={
{ "qos_flag", INT_PARAM, &qos_flag},
{ 0,0,0 }
};
struct module_exports exports= {
"qos", /* module's name */
DEFAULT_DLFLAGS, /* dlopen flags */
cmds, /* exported functions */
mod_params, /* param exports */
0, /* exported statistics */
0, /* exported MI functions */
0, /* exported pseudo-variables */
0, /* extra processes */
mod_init, /* module initialization function */
0, /* reply processing function */
mod_destroy, /* Destroy function */
0 /* per-child init function */
};
int load_qos( struct qos_binds *qosb)
{
qosb->register_qoscb = register_qoscb;
return 1;
}
/**
* The initialization function, called when the module is loaded by
* the script. This function is called only once.
*
* Bind to the dialog module and setup the callbacks. Also initialize
* the shared memory to store our interninal information in.
*/
static int mod_init(void)
{
if (qos_flag == -1) {
LM_ERR("no qos flag set!!\n");
return -1;
}
else if (qos_flag > MAX_FLAG) {
LM_ERR("invalid qos flag %d!!\n", qos_flag);
return -1;
}
/* init callbacks */
if (init_qos_callbacks()!=0) {
LM_ERR("cannot init callbacks\n");
return -1;
}
/* Register the main (static) dialog call back. */
if (load_dlg_api(&dialog_st) != 0) {
LM_ERR("Can't load dialog hooks\n");
return(-1);
}
/* Load dialog hooks */
dialog_st.register_dlgcb(NULL, DLGCB_CREATED, qos_dialog_created_CB, NULL, NULL);
/*
* We are GOOD-TO-GO.
*/
return 0;
}
static void mod_destroy(void)
{
destroy_qos_callbacks();
}