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kamailio/modules/rtjson/rtjson_mod.c

171 lines
3.6 KiB

/**
* Copyright (C) 2015 Daniel-Constantin Mierla (asipto.com)
*
* This file is part of Kamailio, a free SIP server.
*
* This file 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
*
*
* This file 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 <unistd.h>
#include <stdlib.h>
#include <string.h>
#include "../../sr_module.h"
#include "../../dprint.h"
#include "../../mod_fix.h"
#include "rtjson_routing.h"
MODULE_VERSION
str _rtjson_xavp_name = str_init("rtjson");
static int mod_init(void);
static int child_init(int);
static void mod_destroy(void);
static int w_rtjson_init_routes(sip_msg_t *msg, char *rdoc, char *rflags);
static int w_rtjson_push_routes(sip_msg_t *msg, char *p1, char *p2);
static int w_rtjson_next_route(sip_msg_t *msg, char *p1, char *p2);
static int w_rtjson_update_branch(sip_msg_t *msg, char *p1, char *p2);
static cmd_export_t cmds[]={
{"rtjson_init_routes", (cmd_function)w_rtjson_init_routes, 1, fixup_spve_null,
0, REQUEST_ROUTE},
{"rtjson_push_routes", (cmd_function)w_rtjson_push_routes, 0, 0,
0, REQUEST_ROUTE},
{"rtjson_next_route", (cmd_function)w_rtjson_next_route, 0, 0,
0, REQUEST_ROUTE|FAILURE_ROUTE},
{"rtjson_update_branch", (cmd_function)w_rtjson_update_branch, 0, 0,
0, BRANCH_ROUTE},
{0, 0, 0, 0, 0, 0}
};
static param_export_t params[]={
{"xavp_cfg", PARAM_STR, &_rtjson_xavp_name},
{0, 0, 0}
};
struct module_exports exports = {
"rtjson",
DEFAULT_DLFLAGS, /* dlopen flags */
cmds,
params,
0,
0, /* exported MI functions */
0, /* exported pseudo-variables */
0, /* extra processes */
mod_init, /* module initialization function */
0, /* response function */
mod_destroy, /* destroy function */
child_init /* per child init function */
};
/**
* init module function
*/
static int mod_init(void)
{
if(_rtjson_xavp_name.s==NULL || _rtjson_xavp_name.len<=0) {
LM_ERR("invalid xavp name\n");
return -1;
}
if(rtjson_init()<0) {
LM_ERR("failed to initialize\n");
return -1;
}
return 0;
}
/**
* @brief Initialize async module children
*/
static int child_init(int rank)
{
return 0;
}
/**
* destroy module function
*/
static void mod_destroy(void)
{
}
/**
*
*/
static int w_rtjson_init_routes(sip_msg_t *msg, char *rdoc, char *rflags)
{
str srdoc = {0};
if(msg==NULL)
return -1;
if(fixup_get_svalue(msg, (gparam_t*)rdoc, &srdoc)!=0 || srdoc.len<=0) {
LM_ERR("no routing information\n");
return -1;
}
if(rtjson_init_routes(msg, &srdoc)<0)
return -1;
return 1;
}
/**
*
*/
static int w_rtjson_push_routes(sip_msg_t *msg, char *p1, char *p2)
{
if(msg==NULL)
return -1;
if(rtjson_push_routes(msg)<0)
return -1;
return 1;
}
/**
*
*/
static int w_rtjson_next_route(sip_msg_t *msg, char *p1, char *p2)
{
if(msg==NULL)
return -1;
if(rtjson_next_route(msg)<0)
return -1;
return 1;
}
/**
*
*/
static int w_rtjson_update_branch(sip_msg_t *msg, char *p1, char *p2)
{
if(msg==NULL)
return -1;
if(rtjson_update_branch(msg)<0)
return -1;
return 1;
}