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/**
* Copyright (C) 2014 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 <uuid/uuid.h>
#include "../../sr_module.h"
#include "../../dprint.h"
#include "../../ut.h"
#include "../../pvar.h"
MODULE_VERSION
static int mod_init(void);
static int child_init(int);
static void mod_destroy(void);
static uuid_t _k_uuid_val;
static char _k_uuid_str[40];
int pv_get_uuid(sip_msg_t *msg, pv_param_t *param,
pv_value_t *res);
int pv_parse_uuid_name(pv_spec_p sp, str *in);
static pv_export_t mod_pvs[] = {
{ {"uuid", (sizeof("uuid")-1)}, PVT_OTHER, pv_get_uuid,
0, pv_parse_uuid_name, 0, 0, 0},
{ {0, 0}, 0, 0, 0, 0, 0, 0, 0 }
};
static cmd_export_t cmds[]={
{0, 0, 0, 0, 0, 0}
};
static param_export_t params[]={
{0, 0, 0}
};
struct module_exports exports = {
"uuid",
DEFAULT_DLFLAGS, /* dlopen flags */
cmds,
params,
0,
0, /* exported MI functions */
mod_pvs, /* 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)
{
uuid_generate(_k_uuid_val);
_k_uuid_str[0] = '\0';
uuid_unparse_lower(_k_uuid_val, _k_uuid_str);
LM_DBG("uuid initialized - probing value [%s]\n", _k_uuid_str);
uuid_clear(_k_uuid_val);
_k_uuid_str[0] = '\0';
return 0;
}
/**
* @brief Initialize async module children
*/
static int child_init(int rank)
{
if (rank!=PROC_MAIN)
return 0;
return 0;
}
/**
* destroy module function
*/
static void mod_destroy(void)
{
uuid_generate(_k_uuid_val);
uuid_clear(_k_uuid_val);
}
/**
* parse the name of the $uuid(name)
*/
int pv_parse_uuid_name(pv_spec_p sp, str *in)
{
if(sp==NULL || in==NULL || in->len<=0)
return -1;
switch(in->s[0])
{
case 'g':
case 'G':
sp->pvp.pvn.u.isname.name.n = 0;
break;
case 'r':
case 'R':
sp->pvp.pvn.u.isname.name.n = 1;
break;
case 't':
case 'T':
sp->pvp.pvn.u.isname.name.n = 2;
break;
case 's':
case 'S':
sp->pvp.pvn.u.isname.name.n = 3;
break;
default:
sp->pvp.pvn.u.isname.name.n = 0;
}
sp->pvp.pvn.type = PV_NAME_INTSTR;
sp->pvp.pvn.u.isname.type = 0;
return 0;
}
/**
* return the value of $uuid(name)
*/
int pv_get_uuid(sip_msg_t *msg, pv_param_t *param,
pv_value_t *res)
{
if(param==NULL)
return -1;
switch(param->pvn.u.isname.name.n)
{
case 1:
uuid_generate_random(_k_uuid_val);
break;
case 2:
uuid_generate_time(_k_uuid_val);
break;
case 3:
#ifndef __OS_darwin
if(uuid_generate_time_safe(_k_uuid_val))
return pv_get_null(msg, param, res);
#else
uuid_generate_time(_k_uuid_val);
#endif
break;
default:
uuid_generate(_k_uuid_val);
}
uuid_unparse_lower(_k_uuid_val, _k_uuid_str);
return pv_get_strzval(msg, param, res, _k_uuid_str);
}
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