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/**
* $Id$
*
* Copyright (C) 2011 Flowroute LLC (flowroute.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 <string.h>
#include <json.h>
#include "../../mod_fix.h"
#include "../../lvalue.h"
#include "json_funcs.h"
int json_get_field(struct sip_msg* msg, char* json, char* field, char* dst)
{
str json_s;
str field_s;
pv_spec_t *dst_pv;
pv_value_t dst_val;
if (fixup_get_svalue(msg, (gparam_p)json, &json_s) != 0) {
LM_ERR("cannot get json string value\n");
return -1;
}
if (fixup_get_svalue(msg, (gparam_p)field, &field_s) != 0) {
LM_ERR("cannot get field string value\n");
return -1;
}
dst_pv = (pv_spec_t *)dst;
struct json_object *j = json_tokener_parse(json_s.s);
if (is_error(j)) {
LM_ERR("empty or invalid JSON\n");
return -1;
}
char *value = (char*)json_object_to_json_string(json_object_object_get(j, field_s.s));
dst_val.rs.s = value;
dst_val.rs.len = strlen(value);
dst_val.flags = PV_VAL_STR;
dst_pv->setf(msg, &dst_pv->pvp, (int)EQ_T, &dst_val);
return 1;
}
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