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/**
* Copyright (C) 2009 SIP-Router.org
* |
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* This file is part of Kamailio, a free SIP server. |
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*
* 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.
*/
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/*!
* \file |
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* \brief Kamailio core :: event handling |
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* \ingroup core
* Module: \ref core
*/
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#include "dprint.h"
#include "mem/mem.h" |
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#include "route.h" |
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#include "events.h"
static sr_event_cb_t _sr_events_list;
static int _sr_events_inited = 0;
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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"); |
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if(_sr_core_ert_list.init_parse_error<=0
|| event_rt.rlist[_sr_core_ert_list.init_parse_error]==NULL) { |
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_sr_core_ert_list.init_parse_error = -1; |
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} else {
LM_DBG("event_route[core:receive-parse-error] is defined\n"); |
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}
}
/**
*
*/
void sr_core_ert_run(sip_msg_t *msg, int e)
{ |
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struct run_act_ctx ctx;
int rtb;
|
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switch(e) {
case SR_CORE_ERT_RECEIVE_PARSE_ERROR:
if(likely(_sr_core_ert_list.init_parse_error<=0))
return; |
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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); |
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break;
}
}
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/**
*
*/ |
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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;
}
}
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/**
*
*/ |
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int sr_event_register_cb(int type, sr_event_cb_f f)
{ |
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int i;
|
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sr_event_cb_init();
switch(type) {
case SREV_NET_DATA_IN: |
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for(i=0; i<SREV_CB_LIST_SIZE; i++) {
if(_sr_events_list.net_data_in[i]==0) {
_sr_events_list.net_data_in[i] = f;
break;
}
}
if(i==SREV_CB_LIST_SIZE) return -1; |
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break;
case SREV_NET_DATA_OUT: |
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for(i=SREV_CB_LIST_SIZE-1; i>=0; i--) {
if(_sr_events_list.net_data_out[i]==0) {
_sr_events_list.net_data_out[i] = f;
break;
}
}
if(i<0) return -1; |
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break; |
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case SREV_CORE_STATS:
if(_sr_events_list.core_stats==0)
_sr_events_list.core_stats = f;
else return -1;
break; |
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case SREV_CFG_RUN_ACTION:
if(_sr_events_list.run_action==0)
_sr_events_list.run_action = f;
else return -1;
break; |
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case SREV_PKG_UPDATE_STATS:
if(_sr_events_list.pkg_update_stats==0)
_sr_events_list.pkg_update_stats = f; |
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else return -1;
break; |
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case SREV_NET_DGRAM_IN:
if(_sr_events_list.net_dgram_in==0)
_sr_events_list.net_dgram_in = f;
else return -1;
break; |
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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; |
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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; |
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else return -1;
break; |
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case SREV_STUN_IN:
if(_sr_events_list.stun_in==0)
_sr_events_list.stun_in = f;
else return -1;
break; |
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case SREV_RCV_NOSIP:
if(_sr_events_list.rcv_nosip==0)
_sr_events_list.rcv_nosip = f;
else return -1;
break; |
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default:
return -1;
}
return 0;
}
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/**
*
*/ |
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int sr_event_exec(int type, void *data)
{
int ret; |
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int i; |
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#ifdef EXTRA_DEBUG |
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str *p; |
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#endif /* EXTRA_DEBUG */ |
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switch(type) {
case SREV_NET_DATA_IN: |
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if(unlikely(_sr_events_list.net_data_in[0]!=0)) |
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{ |
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#ifdef EXTRA_DEBUG |
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p = (str*)data; |
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LM_DBG("PRE-IN ++++++++++++++++++++++++++++++++\n"
"%.*s\n+++++\n", p->len, p->s); |
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#endif /* EXTRA_DEBUG */ |
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ret = 0;
for(i=0; i<SREV_CB_LIST_SIZE |
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&& _sr_events_list.net_data_in[i]; i++) { |
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ret |= _sr_events_list.net_data_in[i](data);
} |
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#ifdef EXTRA_DEBUG |
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LM_DBG("POST-IN ++++++++++++++++++++++++++++++++\n"
"%.*s\n+++++\n", p->len, p->s); |
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#endif /* EXTRA_DEBUG */ |
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return ret;
} else return 1;
break;
case SREV_NET_DATA_OUT: |
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if(unlikely(_sr_events_list.net_data_out[SREV_CB_LIST_SIZE-1]!=0)) |
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{ |
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#ifdef EXTRA_DEBUG |
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p = (str*)data; |
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LM_DBG("PRE-OUT ++++++++++++++++++++\n"
"%.*s\n+++++++++++++++++++\n", p->len, p->s); |
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#endif /* EXTRA_DEBUG */ |
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ret = 0; |
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for(i=0; i<SREV_CB_LIST_SIZE; i++) {
if(_sr_events_list.net_data_out[i]) {
ret |= _sr_events_list.net_data_out[i](data);
} |
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} |
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#ifdef EXTRA_DEBUG |
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LM_DBG("POST-OUT ++++++++++++++++++++\n"
"%.*s\n+++++++++++++++++++\n", p->len, p->s); |
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#endif /* EXTRA_DEBUG */ |
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return ret;
} else return 1;
break; |
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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; |
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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; |
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case SREV_PKG_UPDATE_STATS:
if(unlikely(_sr_events_list.pkg_update_stats!=0)) |
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{ |
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ret = _sr_events_list.pkg_update_stats(data); |
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return ret;
} else return 1; |
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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; |
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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; |
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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)) |
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{ |
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ret = _sr_events_list.tcp_ws_frame_out(data); |
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return ret;
} else return 1; |
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case SREV_STUN_IN:
if(unlikely(_sr_events_list.stun_in!=0))
{
ret = _sr_events_list.stun_in(data);
return ret;
} else return 1; |
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case SREV_RCV_NOSIP:
if(unlikely(_sr_events_list.rcv_nosip!=0))
{
ret = _sr_events_list.rcv_nosip(data);
return ret;
} else return 1; |
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default:
return -1;
}
}
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/**
*
*/ |
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int sr_event_enabled(int type)
{
switch(type) {
case SREV_NET_DATA_IN: |
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return (_sr_events_list.net_data_in[0]!=0)?1:0; |
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case SREV_NET_DATA_OUT: |
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return (_sr_events_list.net_data_out[SREV_CB_LIST_SIZE-1]!=0)?1:0; |
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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; |
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case SREV_PKG_UPDATE_STATS:
return (_sr_events_list.pkg_update_stats!=0)?1:0; |
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case SREV_NET_DGRAM_IN:
return (_sr_events_list.net_dgram_in!=0)?1:0; |
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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; |
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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; |
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case SREV_STUN_IN:
return (_sr_events_list.stun_in!=0)?1:0; |
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case SREV_RCV_NOSIP:
return (_sr_events_list.rcv_nosip!=0)?1:0; |
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}
return 0;
}
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