git.sip-router.org Git - sip-router/blob - events.c

   1 /**
   2  * $Id$
   3  *
   4  * Copyright (C) 2009 SIP-Router.org
   5  *
   6  * This file is part of Extensible SIP Router, a free SIP server.
   7  *
   8  * Permission to use, copy, modify, and distribute this software for any
   9  * purpose with or without fee is hereby granted, provided that the above
  10  * copyright notice and this permission notice appear in all copies.
  11  *
  12  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  13  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  14  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  15  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  16  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  17  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  18  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  19  */
  20
  21 /*!
  22  * \file
  23  * \brief SIP-router core ::
  24  * \ingroup core
  25  * Module: \ref core
  26  */
  27
  28 #include "dprint.h"
  29 #include "mem/mem.h"
  30 #include "events.h"
  31
  32 static sr_event_cb_t _sr_events_list;
  33 static int _sr_events_inited = 0;
  34
  35 /**
  36  *
  37  */
  38 void sr_event_cb_init(void)
  39 {
  40         if(_sr_events_inited == 0)
  41         {
  42                 memset(&_sr_events_list, 0, sizeof(sr_event_cb_t));
  43                 _sr_events_inited = 1;
  44         }
  45 }
  46
  47 /**
  48  *
  49  */
  50 int sr_event_register_cb(int type, sr_event_cb_f f)
  51 {
  52         sr_event_cb_init();
  53         switch(type) {
  54                 case SREV_NET_DATA_IN:
  55                                 if(_sr_events_list.net_data_in==0)
  56                                         _sr_events_list.net_data_in = f;
  57                                 else return -1;
  58                         break;
  59                 case SREV_NET_DATA_OUT:
  60                                 if(_sr_events_list.net_data_out==0)
  61                                         _sr_events_list.net_data_out = f;
  62                                 else return -1;
  63                         break;
  64                 case SREV_CORE_STATS:
  65                                 if(_sr_events_list.core_stats==0)
  66                                         _sr_events_list.core_stats = f;
  67                                 else return -1;
  68                         break;
  69                 case SREV_CFG_RUN_ACTION:
  70                                 if(_sr_events_list.run_action==0)
  71                                         _sr_events_list.run_action = f;
  72                                 else return -1;
  73                         break;
  74                 case SREV_PKG_SET_USED:
  75                                 if(_sr_events_list.pkg_set_used==0)
  76                                         _sr_events_list.pkg_set_used = f;
  77                                 else return -1;
  78                         break;
  79                 case SREV_PKG_SET_REAL_USED:
  80                                 if(_sr_events_list.pkg_set_real_used==0)
  81                                         _sr_events_list.pkg_set_real_used = f;
  82                                 else return -1;
  83                         break;
  84                 default:
  85                         return -1;
  86         }
  87         return 0;
  88 }
  89
  90 /**
  91  *
  92  */
  93 int sr_event_exec(int type, void *data)
  94 {
  95         int ret;
  96 #ifdef EXTRA_DEBUG
  97         str *p;
  98 #endif /* EXTRA_DEBUG */
  99         switch(type) {
 100                 case SREV_NET_DATA_IN:
 101                                 if(unlikely(_sr_events_list.net_data_in!=0))
 102                                 {
 103 #ifdef EXTRA_DEBUG
 104                                         p = (str*)data;
 105                                         LM_DBG("PRE-IN ++++++++++++++++++++++++++++++++\n"
 106                                                         "%.*s\n+++++\n", p->len, p->s);
 107 #endif /* EXTRA_DEBUG */
 108                                         ret = _sr_events_list.net_data_in(data);
 109 #ifdef EXTRA_DEBUG
 110                                         LM_DBG("POST-IN ++++++++++++++++++++++++++++++++\n"
 111                                                         "%.*s\n+++++\n", p->len, p->s);
 112 #endif /* EXTRA_DEBUG */
 113                                         return ret;
 114                                 } else return 1;
 115                         break;
 116                 case SREV_NET_DATA_OUT:
 117                                 if(unlikely(_sr_events_list.net_data_out!=0))
 118                                 {
 119 #ifdef EXTRA_DEBUG
 120                                         p = (str*)data;
 121                                         LM_DBG("PRE-OUT ++++++++++++++++++++\n"
 122                                                         "%.*s\n+++++++++++++++++++\n", p->len, p->s);
 123 #endif /* EXTRA_DEBUG */
 124                                         ret = _sr_events_list.net_data_out(data);
 125 #ifdef EXTRA_DEBUG
 126                                         LM_DBG("POST-OUT ++++++++++++++++++++\n"
 127                                                         "%.*s\n+++++++++++++++++++\n", p->len, p->s);
 128 #endif /* EXTRA_DEBUG */
 129                                         return ret;
 130                                 } else return 1;
 131                         break;
 132                 case SREV_CORE_STATS:
 133                                 if(unlikely(_sr_events_list.core_stats!=0))
 134                                 {
 135                                         ret = _sr_events_list.core_stats(data);
 136                                         return ret;
 137                                 } else return 1;
 138                         break;
 139                 case SREV_CFG_RUN_ACTION:
 140                                 if(unlikely(_sr_events_list.run_action!=0))
 141                                 {
 142                                         ret = _sr_events_list.run_action(data);
 143                                         return ret;
 144                                 } else return 1;
 145                 case SREV_PKG_SET_USED:
 146                                 if(unlikely(_sr_events_list.pkg_set_used!=0))
 147                                 {
 148                                         ret = _sr_events_list.pkg_set_used(data);
 149                                         return ret;
 150                                 } else return 1;
 151                 case SREV_PKG_SET_REAL_USED:
 152                                 if(unlikely(_sr_events_list.pkg_set_real_used!=0))
 153                                 {
 154                                         ret = _sr_events_list.pkg_set_real_used(data);
 155                                         return ret;
 156                                 } else return 1;
 157                 default:
 158                         return -1;
 159         }
 160 }
 161
 162 /**
 163  *
 164  */
 165 int sr_event_enabled(int type)
 166 {
 167         switch(type) {
 168                 case SREV_NET_DATA_IN:
 169                                 return (_sr_events_list.net_data_in!=0)?1:0;
 170                 case SREV_NET_DATA_OUT:
 171                                 return (_sr_events_list.net_data_out!=0)?1:0;
 172                 case SREV_CORE_STATS:
 173                                 return (_sr_events_list.core_stats!=0)?1:0;
 174                 case SREV_CFG_RUN_ACTION:
 175                                 return (_sr_events_list.run_action!=0)?1:0;
 176                 case SREV_PKG_SET_USED:
 177                                 return (_sr_events_list.pkg_set_used!=0)?1:0;
 178                 case SREV_PKG_SET_REAL_USED:
 179                                 return (_sr_events_list.pkg_set_real_used!=0)?1:0;
 180         }
 181         return 0;
 182 }
 183