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mi_trace.h
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mi_trace.h
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/*
* Copyright (C) 2016 - OpenSIPS Foundation
* Copyright (C) 2001-2003 FhG Fokus
*
* This file is part of opensips, a free SIP server.
*
* opensips 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
*
* opensips 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
*
*
* History:
* -------
* 2016-09-19 first version (Ionut Ionita)
*/
#ifndef _mi_trace_h
#define _mi_trace_h
#include "../trace_api.h"
extern trace_proto_t* mi_trace_api;
extern int correlation_id, correlation_vendor;
extern str correlation_value;
#define MAX_TRACE_FIELD (1 << 7)
struct mi_trace_req {
char cmd[MAX_TRACE_FIELD];
char backend[MAX_TRACE_FIELD];
char params[MAX_TRACE_FIELD];
} mi_treq;
struct mi_trace_rpl {
char code[MAX_TRACE_FIELD];
char reason[MAX_TRACE_FIELD];
char rpl[MAX_TRACE_FIELD];
} mi_trpl;
enum mi_trace_type { MI_TRACE_REQ, MI_TRACE_RPL};
struct mi_trace_param {
enum mi_trace_type type;
union {
struct mi_trace_req* req;
struct mi_trace_rpl* rpl;
} d;
} mi_tparam;
void try_load_trace_api(void);
int trace_mi_message(union sockaddr_union* src, union sockaddr_union* dst,
struct mi_trace_param* pld_param, str* correlation_value, trace_dest trace_dst);
struct mi_trace_req* build_mi_trace_request( str* cmd,
struct mi_root* mi_req, str* backend);
struct mi_trace_rpl* build_mi_trace_reply( int code, str* reason, str* rpl_msg );
char* generate_correlation_id(int* len);;
int load_correlation_id(void);
static inline void mi_trace_reply( union sockaddr_union* src, union sockaddr_union* dst,
int code, str* reason, str* message, trace_dest t_dst)
{
/* trace disabled */
if ( !t_dst )
return;
/* message can be null */
if ( !reason ) {
LM_ERR("traced reply needs to have a reason!\n");
return;
}
mi_tparam.d.rpl = build_mi_trace_reply( code, reason, message);
mi_tparam.type = MI_TRACE_RPL;
if ( !correlation_value.s ) {
LM_ERR("can't find correlation id generated by the request!\n");
return;
}
if (trace_mi_message( src, dst, &mi_tparam, &correlation_value, t_dst) < 0) {
LM_ERR("failed to trace mi command reply!\n");
}
}
static inline void mi_trace_request( union sockaddr_union* src, union sockaddr_union* dst,
char* command, int len, struct mi_root* mi_req, str* backend, trace_dest t_dst )
{
str comm_s = { command, len };
if ( !t_dst || !backend )
return;
mi_tparam.d.req = build_mi_trace_request( &comm_s, mi_req, backend);
mi_tparam.type = MI_TRACE_REQ;
correlation_value.s = generate_correlation_id(&correlation_value.len);
if ( !correlation_value.s ) {
LM_ERR("failed to generate correlation id!\n");
return;
}
if (trace_mi_message( src, dst, &mi_tparam, &correlation_value, t_dst) < 0) {
LM_ERR("failed to trace mi command request!\n");
}
}
int register_mi_trace_mod(void);
int init_mod_trace_cmds(int id, int white);
int block_mi_cmd_trace(int id, char* name, int len);
int allow_mi_cmd_trace(int id, char* name, int len);
unsigned char is_mi_cmd_traced(int id, struct mi_cmd* cmd);
int parse_mi_cmd_bwlist(int id, char* bw_string, int len);
#endif