sjero.net Git - linphone/blob - linphone/oRTP/src/rtpsignaltable.c

   1 /*
   2   The oRTP library is an RTP (Realtime Transport Protocol - rfc1889) stack.
   3   Copyright (C) 2001  Simon MORLAT simon.morlat@linphone.org
   4
   5   This library is free software; you can redistribute it and/or
   6   modify it under the terms of the GNU Lesser General Public
   7   License as published by the Free Software Foundation; either
   8   version 2.1 of the License, or (at your option) any later version.
   9
  10   This library is distributed in the hope that it will be useful,
  11   but WITHOUT ANY WARRANTY; without even the implied warranty of
  12   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13   Lesser General Public License for more details.
  14
  15   You should have received a copy of the GNU Lesser General Public
  16   License along with this library; if not, write to the Free Software
  17   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  18 */
  19
  20
  21
  22 #include <ortp/rtpsession.h>
  23 #include "utils.h"
  24
  25
  26 void rtp_signal_table_init(RtpSignalTable *table,RtpSession *session, const char *signal_name)
  27 {
  28         memset(table,0,sizeof(RtpSignalTable));
  29         table->session=session;
  30         table->signal_name=signal_name;
  31         session->signal_tables=o_list_append(session->signal_tables,(void*)table);
  32 }
  33
  34 int rtp_signal_table_add(RtpSignalTable *table,RtpCallback cb, unsigned long user_data)
  35 {
  36         int i;
  37
  38         for (i=0;i<RTP_CALLBACK_TABLE_MAX_ENTRIES;i++){
  39                 if (table->callback[i]==NULL){
  40                         table->callback[i]=cb;
  41                         table->user_data[i]=user_data;
  42                         table->count++;
  43                         return 0;
  44                 }
  45         }
  46         return -1;
  47 }
  48
  49 void rtp_signal_table_emit(RtpSignalTable *table)
  50 {
  51         int i,c;
  52
  53         for (i=0,c=0;c<table->count;i++){
  54                 if (table->callback[i]!=NULL){
  55                         c++;    /*I like it*/
  56                         table->callback[i](table->session,table->user_data[i]);
  57                 }
  58         }
  59 }
  60
  61 void rtp_signal_table_emit2(RtpSignalTable *table,unsigned long arg)
  62 {
  63         int i,c;
  64
  65         for (i=0,c=0;c<table->count;i++){
  66                 if (table->callback[i]!=NULL){
  67                         c++;    /*I like it*/
  68                         table->callback[i](table->session,arg,table->user_data[i]);
  69                 }
  70         }
  71 }
  72
  73 void rtp_signal_table_emit3(RtpSignalTable *table, unsigned long arg1, unsigned long arg2)
  74 {
  75         int i,c;
  76
  77         for (i=0,c=0;c<table->count;i++){
  78                 if (table->callback[i]!=NULL){
  79                         c++;    /*I like it*/
  80                         table->callback[i](table->session,arg1,arg2,table->user_data[i]);
  81                 }
  82         }
  83 }
  84
  85 int rtp_signal_table_remove_by_callback(RtpSignalTable *table,RtpCallback cb)
  86 {
  87         int i;
  88
  89         for (i=0;i<RTP_CALLBACK_TABLE_MAX_ENTRIES;i++){
  90                 if (table->callback[i]==cb){
  91                         table->callback[i]=NULL;
  92                         table->user_data[i]=0;
  93                         table->count--;
  94                         return 0;
  95                 }
  96         }
  97         return -1;
  98 }