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kamailio/events.c

308 lines
7.7 KiB

/**
* $Id$
*
* Copyright (C) 2009 SIP-Router.org
*
* This file is part of Extensible SIP Router, a free SIP server.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/*!
* \file
* \brief SIP-router core ::
* \ingroup core
* Module: \ref core
*/
#include "dprint.h"
#include "mem/mem.h"
#include "route.h"
#include "events.h"
static sr_event_cb_t _sr_events_list;
static int _sr_events_inited = 0;
typedef struct _sr_core_ert {
int init_parse_error;
} sr_core_ert_t;
static sr_core_ert_t _sr_core_ert_list;
/**
*
*/
void sr_core_ert_init(void)
{
memset(&_sr_core_ert_list, 0, sizeof(sr_core_ert_t));
/* 0 - is not a valid index in event_route blocks list */
_sr_core_ert_list.init_parse_error = route_get(&event_rt,
"core:receive-parse-error");
if(_sr_core_ert_list.init_parse_error<=0
|| event_rt.rlist[_sr_core_ert_list.init_parse_error]==NULL) {
_sr_core_ert_list.init_parse_error = -1;
} else {
LM_DBG("event_route[core:receive-parse-error] is defined\n");
}
}
/**
*
*/
void sr_core_ert_run(sip_msg_t *msg, int e)
{
struct run_act_ctx ctx;
int rtb;
switch(e) {
case SR_CORE_ERT_RECEIVE_PARSE_ERROR:
if(likely(_sr_core_ert_list.init_parse_error<=0))
return;
rtb = get_route_type();
set_route_type(REQUEST_ROUTE);
init_run_actions_ctx(&ctx);
run_top_route(event_rt.rlist[_sr_core_ert_list.init_parse_error],
msg, &ctx);
set_route_type(rtb);
break;
}
}
/**
*
*/
void sr_event_cb_init(void)
{
if(_sr_events_inited == 0)
{
memset(&_sr_events_list, 0, sizeof(sr_event_cb_t));
_sr_events_inited = 1;
}
}
/**
*
*/
int sr_event_register_cb(int type, sr_event_cb_f f)
{
sr_event_cb_init();
switch(type) {
case SREV_NET_DATA_IN:
if(_sr_events_list.net_data_in==0)
_sr_events_list.net_data_in = f;
else return -1;
break;
case SREV_NET_DATA_OUT:
if(_sr_events_list.net_data_out==0)
_sr_events_list.net_data_out = f;
else return -1;
break;
case SREV_CORE_STATS:
if(_sr_events_list.core_stats==0)
_sr_events_list.core_stats = f;
else return -1;
break;
case SREV_CFG_RUN_ACTION:
if(_sr_events_list.run_action==0)
_sr_events_list.run_action = f;
else return -1;
break;
case SREV_PKG_SET_USED:
if(_sr_events_list.pkg_set_used==0)
_sr_events_list.pkg_set_used = f;
else return -1;
break;
case SREV_PKG_SET_REAL_USED:
if(_sr_events_list.pkg_set_real_used==0)
_sr_events_list.pkg_set_real_used = f;
else return -1;
break;
case SREV_NET_DGRAM_IN:
if(_sr_events_list.net_dgram_in==0)
_sr_events_list.net_dgram_in = f;
else return -1;
break;
case SREV_TCP_HTTP_100C:
if(_sr_events_list.tcp_http_100c==0)
_sr_events_list.tcp_http_100c = f;
else return -1;
break;
case SREV_TCP_MSRP_FRAME:
if(_sr_events_list.tcp_msrp_frame==0)
_sr_events_list.tcp_msrp_frame = f;
else return -1;
break;
case SREV_TCP_WS_FRAME_IN:
if(_sr_events_list.tcp_ws_frame_in==0)
_sr_events_list.tcp_ws_frame_in = f;
else return -1;
break;
case SREV_TCP_WS_FRAME_OUT:
if(_sr_events_list.tcp_ws_frame_out==0)
_sr_events_list.tcp_ws_frame_out = f;
else return -1;
break;
case SREV_STUN_IN:
if(_sr_events_list.stun_in==0)
_sr_events_list.stun_in = f;
else return -1;
break;
default:
return -1;
}
return 0;
}
/**
*
*/
int sr_event_exec(int type, void *data)
{
int ret;
#ifdef EXTRA_DEBUG
str *p;
#endif /* EXTRA_DEBUG */
switch(type) {
case SREV_NET_DATA_IN:
if(unlikely(_sr_events_list.net_data_in!=0))
{
#ifdef EXTRA_DEBUG
p = (str*)data;
LM_DBG("PRE-IN ++++++++++++++++++++++++++++++++\n"
"%.*s\n+++++\n", p->len, p->s);
#endif /* EXTRA_DEBUG */
ret = _sr_events_list.net_data_in(data);
#ifdef EXTRA_DEBUG
LM_DBG("POST-IN ++++++++++++++++++++++++++++++++\n"
"%.*s\n+++++\n", p->len, p->s);
#endif /* EXTRA_DEBUG */
return ret;
} else return 1;
break;
case SREV_NET_DATA_OUT:
if(unlikely(_sr_events_list.net_data_out!=0))
{
#ifdef EXTRA_DEBUG
p = (str*)data;
LM_DBG("PRE-OUT ++++++++++++++++++++\n"
"%.*s\n+++++++++++++++++++\n", p->len, p->s);
#endif /* EXTRA_DEBUG */
ret = _sr_events_list.net_data_out(data);
#ifdef EXTRA_DEBUG
LM_DBG("POST-OUT ++++++++++++++++++++\n"
"%.*s\n+++++++++++++++++++\n", p->len, p->s);
#endif /* EXTRA_DEBUG */
return ret;
} else return 1;
break;
case SREV_CORE_STATS:
if(unlikely(_sr_events_list.core_stats!=0))
{
ret = _sr_events_list.core_stats(data);
return ret;
} else return 1;
break;
case SREV_CFG_RUN_ACTION:
if(unlikely(_sr_events_list.run_action!=0))
{
ret = _sr_events_list.run_action(data);
return ret;
} else return 1;
case SREV_PKG_SET_USED:
if(unlikely(_sr_events_list.pkg_set_used!=0))
{
ret = _sr_events_list.pkg_set_used(data);
return ret;
} else return 1;
case SREV_PKG_SET_REAL_USED:
if(unlikely(_sr_events_list.pkg_set_real_used!=0))
{
ret = _sr_events_list.pkg_set_real_used(data);
return ret;
} else return 1;
case SREV_NET_DGRAM_IN:
if(unlikely(_sr_events_list.net_dgram_in!=0))
{
ret = _sr_events_list.net_dgram_in(data);
return ret;
} else return 1;
case SREV_TCP_HTTP_100C:
if(unlikely(_sr_events_list.tcp_http_100c!=0))
{
ret = _sr_events_list.tcp_http_100c(data);
return ret;
} else return 1;
case SREV_TCP_MSRP_FRAME:
if(unlikely(_sr_events_list.tcp_msrp_frame!=0))
{
ret = _sr_events_list.tcp_msrp_frame(data);
return ret;
} else return 1;
case SREV_TCP_WS_FRAME_IN:
if(unlikely(_sr_events_list.tcp_ws_frame_in!=0))
{
ret = _sr_events_list.tcp_ws_frame_in(data);
return ret;
} else return 1;
case SREV_TCP_WS_FRAME_OUT:
if(unlikely(_sr_events_list.tcp_ws_frame_out!=0))
{
ret = _sr_events_list.tcp_ws_frame_out(data);
return ret;
} else return 1;
case SREV_STUN_IN:
if(unlikely(_sr_events_list.stun_in!=0))
{
ret = _sr_events_list.stun_in(data);
return ret;
} else return 1;
default:
return -1;
}
}
/**
*
*/
int sr_event_enabled(int type)
{
switch(type) {
case SREV_NET_DATA_IN:
return (_sr_events_list.net_data_in!=0)?1:0;
case SREV_NET_DATA_OUT:
return (_sr_events_list.net_data_out!=0)?1:0;
case SREV_CORE_STATS:
return (_sr_events_list.core_stats!=0)?1:0;
case SREV_CFG_RUN_ACTION:
return (_sr_events_list.run_action!=0)?1:0;
case SREV_PKG_SET_USED:
return (_sr_events_list.pkg_set_used!=0)?1:0;
case SREV_PKG_SET_REAL_USED:
return (_sr_events_list.pkg_set_real_used!=0)?1:0;
case SREV_NET_DGRAM_IN:
return (_sr_events_list.net_dgram_in!=0)?1:0;
case SREV_TCP_HTTP_100C:
return (_sr_events_list.tcp_http_100c!=0)?1:0;
case SREV_TCP_MSRP_FRAME:
return (_sr_events_list.tcp_msrp_frame!=0)?1:0;
case SREV_TCP_WS_FRAME_IN:
return (_sr_events_list.tcp_ws_frame_in!=0)?1:0;
case SREV_TCP_WS_FRAME_OUT:
return (_sr_events_list.tcp_ws_frame_out!=0)?1:0;
case SREV_STUN_IN:
return (_sr_events_list.stun_in!=0)?1:0;
}
return 0;
}