/*  The oSIP library implements the Session Initiation Protocol (SIP -rfc2543-)  Copyright (C) 2001  Aymeric MOIZARD jack@atosc.org    This library is free software; you can redistribute it and/or  modify it under the terms of the GNU Lesser General Public  License as published by the Free Software Foundation; either  version 2.1 of the License, or (at your option) any later version.    This library 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  Lesser General Public License for more details.    You should have received a copy of the GNU Lesser General Public  License along with this library; if not, write to the Free Software  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA*/#include <osip/osip.h>#include "fsm.h"#include <osip/port.h>intosip_init(osip_t **osip){  *osip = (osip_t *)smalloc(sizeof(osip_t));  if (*osip==NULL)    return -1; /* allocation failed */  osip_init_timers(*osip);  /* list of current transactions */  (*osip)->transactions    = (list_t *) smalloc(sizeof(list_t));  list_init((*osip)->transactions);  /* default behavior: do not use a proxy */  (*osip)->proxy = NULL;  (*osip)->cb_rcvinvite = NULL;  (*osip)->cb_rcvack = NULL;  (*osip)->cb_rcvbye = NULL;  (*osip)->cb_rcvcancel = NULL;  (*osip)->cb_rcvinfo = NULL;  (*osip)->cb_rcvoptions = NULL;  (*osip)->cb_rcvregister = NULL;  (*osip)->cb_rcvprack = NULL;  (*osip)->cb_rcvunkrequest = NULL;  (*osip)->cb_sndinvite = NULL;  (*osip)->cb_sndack = NULL;  (*osip)->cb_sndbye = NULL;  (*osip)->cb_sndcancel = NULL;  (*osip)->cb_sndinfo = NULL;  (*osip)->cb_sndoptions = NULL;  (*osip)->cb_sndregister = NULL;  (*osip)->cb_sndprack = NULL;  (*osip)->cb_sndunkrequest = NULL;#ifndef EXTENDED_CALLBACKS  (*osip)->cb_snd1xx = NULL;  (*osip)->cb_snd2xx = NULL;  (*osip)->cb_snd3xx = NULL;  (*osip)->cb_snd4xx = NULL;  (*osip)->cb_snd5xx = NULL;  (*osip)->cb_snd6xx = NULL;  (*osip)->cb_rcv1xx = NULL;  (*osip)->cb_rcv2xx = NULL;  (*osip)->cb_rcv3xx = NULL;  (*osip)->cb_rcv4xx = NULL;  (*osip)->cb_rcv5xx = NULL;  (*osip)->cb_rcv6xx = NULL;#else  (*osip)->cb_sndinvite1xx = NULL;  (*osip)->cb_sndinvite2xx = NULL;  (*osip)->cb_sndinvite3xx = NULL;  (*osip)->cb_sndinvite4xx = NULL;  (*osip)->cb_sndinvite5xx = NULL;  (*osip)->cb_sndinvite6xx = NULL;  (*osip)->cb_rcvinvite1xx = NULL;  (*osip)->cb_rcvinvite2xx = NULL;  (*osip)->cb_rcvinvite3xx = NULL;  (*osip)->cb_rcvinvite4xx = NULL;  (*osip)->cb_rcvinvite5xx = NULL;  (*osip)->cb_rcvinvite6xx = NULL;  (*osip)->cb_sndack1xx = NULL;  (*osip)->cb_sndack2xx = NULL;  (*osip)->cb_sndack3xx = NULL;  (*osip)->cb_sndack4xx = NULL;  (*osip)->cb_sndack5xx = NULL;  (*osip)->cb_sndack6xx = NULL;  (*osip)->cb_rcvack1xx = NULL;  (*osip)->cb_rcvack2xx = NULL;  (*osip)->cb_rcvack3xx = NULL;  (*osip)->cb_rcvack4xx = NULL;  (*osip)->cb_rcvack5xx = NULL;  (*osip)->cb_rcvack6xx = NULL;  (*osip)->cb_sndbye1xx = NULL;  (*osip)->cb_sndbye2xx = NULL;  (*osip)->cb_sndbye3xx = NULL;  (*osip)->cb_sndbye4xx = NULL;  (*osip)->cb_sndbye5xx = NULL;  (*osip)->cb_sndbye6xx = NULL;  (*osip)->cb_rcvbye1xx = NULL;  (*osip)->cb_rcvbye2xx = NULL;  (*osip)->cb_rcvbye3xx = NULL;  (*osip)->cb_rcvbye4xx = NULL;  (*osip)->cb_rcvbye5xx = NULL;  (*osip)->cb_rcvbye6xx = NULL;  (*osip)->cb_sndcancel1xx = NULL;  (*osip)->cb_sndcancel2xx = NULL;  (*osip)->cb_sndcancel3xx = NULL;  (*osip)->cb_sndcancel4xx = NULL;  (*osip)->cb_sndcancel5xx = NULL;  (*osip)->cb_sndcancel6xx = NULL;  (*osip)->cb_rcvcancel1xx = NULL;  (*osip)->cb_rcvcancel2xx = NULL;  (*osip)->cb_rcvcancel3xx = NULL;  (*osip)->cb_rcvcancel4xx = NULL;  (*osip)->cb_rcvcancel5xx = NULL;  (*osip)->cb_rcvcancel6xx = NULL;  (*osip)->cb_sndinfo1xx = NULL;  (*osip)->cb_sndinfo2xx = NULL;  (*osip)->cb_sndinfo3xx = NULL;  (*osip)->cb_sndinfo4xx = NULL;  (*osip)->cb_sndinfo5xx = NULL;  (*osip)->cb_sndinfo6xx = NULL;  (*osip)->cb_rcvinfo1xx = NULL;  (*osip)->cb_rcvinfo2xx = NULL;  (*osip)->cb_rcvinfo3xx = NULL;  (*osip)->cb_rcvinfo4xx = NULL;  (*osip)->cb_rcvinfo5xx = NULL;  (*osip)->cb_rcvinfo6xx = NULL;  (*osip)->cb_sndoptions1xx = NULL;  (*osip)->cb_sndoptions2xx = NULL;  (*osip)->cb_sndoptions3xx = NULL;  (*osip)->cb_sndoptions4xx = NULL;  (*osip)->cb_sndoptions5xx = NULL;  (*osip)->cb_sndoptions6xx = NULL;  (*osip)->cb_rcvoptions1xx = NULL;  (*osip)->cb_rcvoptions2xx = NULL;  (*osip)->cb_rcvoptions3xx = NULL;  (*osip)->cb_rcvoptions4xx = NULL;  (*osip)->cb_rcvoptions5xx = NULL;  (*osip)->cb_rcvoptions6xx = NULL;  (*osip)->cb_sndregister1xx = NULL;  (*osip)->cb_sndregister2xx = NULL;  (*osip)->cb_sndregister3xx = NULL;  (*osip)->cb_sndregister4xx = NULL;  (*osip)->cb_sndregister5xx = NULL;  (*osip)->cb_sndregister6xx = NULL;  (*osip)->cb_rcvregister1xx = NULL;  (*osip)->cb_rcvregister2xx = NULL;  (*osip)->cb_rcvregister3xx = NULL;  (*osip)->cb_rcvregister4xx = NULL;  (*osip)->cb_rcvregister5xx = NULL;  (*osip)->cb_rcvregister6xx = NULL;  (*osip)->cb_sndprack1xx = NULL;  (*osip)->cb_sndprack2xx = NULL;  (*osip)->cb_sndprack3xx = NULL;  (*osip)->cb_sndprack4xx = NULL;  (*osip)->cb_sndprack5xx = NULL;  (*osip)->cb_sndprack6xx = NULL;  (*osip)->cb_rcvprack1xx = NULL;  (*osip)->cb_rcvprack2xx = NULL;  (*osip)->cb_rcvprack3xx = NULL;  (*osip)->cb_rcvprack4xx = NULL;  (*osip)->cb_rcvprack5xx = NULL;  (*osip)->cb_rcvprack6xx = NULL;  (*osip)->cb_sndunkrequest1xx = NULL;  (*osip)->cb_sndunkrequest2xx = NULL;  (*osip)->cb_sndunkrequest3xx = NULL;  (*osip)->cb_sndunkrequest4xx = NULL;  (*osip)->cb_sndunkrequest5xx = NULL;  (*osip)->cb_sndunkrequest6xx = NULL;  (*osip)->cb_rcvunkrequest1xx = NULL;  (*osip)->cb_rcvunkrequest2xx = NULL;  (*osip)->cb_rcvunkrequest3xx = NULL;  (*osip)->cb_rcvunkrequest4xx = NULL;  (*osip)->cb_rcvunkrequest5xx = NULL;  (*osip)->cb_rcvunkrequest6xx = NULL;#endif  (*osip)->cb_rcvresp_retransmission = NULL;  (*osip)->cb_sndreq_retransmission = NULL;  (*osip)->cb_sndresp_retransmission = NULL;  (*osip)->cb_rcvreq_retransmission = NULL;  (*osip)->cb_killtransaction = NULL;  (*osip)->cb_endoftransaction = NULL;  (*osip)->cb_connection_refused = NULL;  (*osip)->cb_network_error = NULL;  return 0;}intosip_init_timers(osip_t *osip){  /* timers for uac and uas transactions. */  osip->uac_timerff   = (fifo_t *)smalloc(sizeof(fifo_t));  osip->uas_timerff   = (fifo_t *)smalloc(sizeof(fifo_t));  fifo_init(osip->uac_timerff);  fifo_init(osip->uas_timerff);  /* timers for uac and uas transactions. */  osip->uas_transactions  = (list_t *)smalloc(sizeof(list_t));  list_init(osip->uas_transactions);  osip->uac_transactions  = (list_t *)smalloc(sizeof(list_t));  list_init(osip->uac_transactions);  return 0;}voidosip_init_proxy(osip_t *osip, url_t *prox){  osip->proxy = prox;}intosip_execute(osip_t *config){  transaction_t *transaction;  sipevent_t *se;  int more_event;  int tr;  tr=0;  while (!list_eol(config->transactions,tr))    {      transaction = list_get(config->transactions,tr);      tr++;      more_event = 1;      do	{	  se = (sipevent_t *)fifo_tryget(transaction->transactionff);	  	  if (se==NULL) /* no more event for this transaction */	    {	      /* continue with next transaction, and its first event */	      more_event=0;   	    }	  else	    {	      transaction_execute(transaction,se);	    }	} while (more_event==1);    }  return 0;}void osip_setcb_killtransaction  (osip_t *cf,void (*cb)(transaction_t*)){  cf->cb_killtransaction = cb;}void osip_setcb_endoftransaction  (osip_t *cf,void (*cb)(transaction_t*)){  cf->cb_endoftransaction = cb;}void osip_setcb_connection_refused  (osip_t *cf,void (*cb)(transaction_t*)){  cf->cb_connection_refused = cb;}void osip_setcb_network_error  (osip_t *cf,void (*cb)(transaction_t*)){  cf->cb_network_error = cb;}void osip_setcb_rcvreq_retransmission  (osip_t *cf,void (*cb)(transaction_t*)){  cf->cb_rcvreq_retransmission = cb;}void osip_setcb_sndreq_retransmission (osip_t *cf,void (*cb)(transaction_t*)){  cf->cb_sndreq_retransmission = cb;}void osip_setcb_sndresp_retransmission     (osip_t *cf,void (*cb)(transaction_t*)){  cf->cb_sndresp_retransmission = cb;}void osip_setcb_rcvresp_retransmission(osip_t *cf,void (*cb)(transaction_t*)){  cf->cb_rcvresp_retransmission = cb;}void osip_setcb_rcvinvite  (osip_t *cf,void (*cb)(sipevent_t*,transaction_t*)){  cf->cb_rcvinvite = cb;}void osip_setcb_rcvack     (osip_t *cf,void (*cb)(sipevent_t*,transaction_t*)){  cf->cb_rcvack = cb;}void osip_setcb_rcvbye     (osip_t *cf,void (*cb)(sipevent_t*,transaction_t*)){  cf->cb_rcvbye = cb;}void osip_setcb_rcvcancel  (osip_t *cf,void (*cb)(sipevent_t*,transaction_t*)){  cf->cb_rcvcancel = cb;}void osip_setcb_rcvinfo    (osip_t *cf,void (*cb)(sipevent_t*,transaction_t*)){  cf->cb_rcvinfo = cb;}void osip_setcb_rcvoptions (osip_t *cf,void (*cb)(sipevent_t*,transaction_t*)){  cf->cb_rcvoptions = cb;}void osip_setcb_rcvregister(osip_t *cf,void (*cb)(sipevent_t*,transaction_t*)){  cf->cb_rcvregister = cb;}void osip_setcb_rcvprack   (osip_t *cf,void (*cb)(sipevent_t*,transaction_t*)){  cf->cb_rcvprack = cb;}void osip_setcb_rcvunkrequest(osip_t *cf,void (*cb)(sipevent_t*,transaction_t*)){  cf->cb_rcvunkrequest = cb;}void osip_setcb_sndinvite  (osip_t *cf,void (*cb)(sipevent_t*,transaction_t*)){  cf->cb_sndinvite = cb;}void osip_setcb_sndack     (osip_t *cf,void (*cb)(sipevent_t*,transaction_t*)){  cf->cb_sndack = cb;}void osip_setcb_sndbye     (osip_t *cf,void (*cb)(sipevent_t*,transaction_t*)){  cf->cb_sndbye = cb;}void osip_setcb_sndcancel  (osip_t *cf,void (*cb)(sipevent_t*,transaction_t*)){  cf->cb_sndcancel = cb;}void osip_setcb_sndinfo    (osip_t *cf,void (*cb)(sipevent_t*,transaction_t*)){  cf->cb_sndinfo = cb;}void osip_setcb_sndoptions (osip_t *cf,void (*cb)(sipevent_t*,transaction_t*)){  cf->cb_sndoptions = cb;}void osip_setcb_sndregister(osip_t *cf,void (*cb)(sipevent_t*,transaction_t*)){  cf->cb_sndregister = cb;}void osip_setcb_sndprack   (osip_t *cf,void (*cb)(sipevent_t*,transaction_t*)){  cf->cb_sndprack = cb;}void osip_setcb_sndunkrequest(osip_t *cf,void (*cb)(sipevent_t*,transaction_t*)){  cf->cb_sndunkrequest = cb;}#ifndef EXTENDED_CALLBACKSvoid osip_setcb_rcv1xx(osip_t *cf,void (*cb)(sipevent_t*,transaction_t*)){  cf->cb_rcv1xx = cb;}void osip_setcb_rcv2xx(osip_t *cf,void (*cb)(sipevent_t*,transaction_t*)){  cf->cb_rcv2xx = cb;}void osip_setcb_rcv3xx(osip_t *cf,void (*cb)(sipevent_t*,transaction_t*)){  cf->cb_rcv3xx = cb;}void osip_setcb_rcv4xx(osip_t *cf,void (*cb)(sipevent_t*,transaction_t*)){  cf->cb_rcv4xx = cb;}void osip_setcb_rcv5xx(osip_t *cf,void (*cb)(sipevent_t*,transaction_t*)){  cf->cb_rcv5xx = cb;}void osip_setcb_rcv6xx(osip_t *cf,void (*cb)(sipevent_t*,transaction_t*)){  cf->cb_rcv6xx = cb;}void osip_setcb_snd1xx(osip_t *cf,void (*cb)(sipevent_t*,transaction_t*)){  cf->cb_snd1xx = cb;}void osip_setcb_snd2xx(osip_t *cf,void (*cb)(sipevent_t*,transaction_t*)){  cf->cb_snd2xx = cb;}void osip_setcb_snd3xx(osip_t *cf,void (*cb)(sipevent_t*,transaction_t*)){  cf->cb_snd3xx = cb;}void osip_setcb_snd4xx(osip_t *cf,void (*cb)(sipevent_t*,transaction_t*)){  cf->cb_snd4xx = cb;}void osip_setcb_snd5xx(osip_t *cf,void (*cb)(sipevent_t*,transaction_t*)){  cf->cb_snd5xx = cb;}void osip_setcb_snd6xx(osip_t *cf,void (*cb)(sipevent_t*,transaction_t*)){  cf->cb_snd6xx = cb;}#elsevoid osip_setcb_rcvinvite1xx(osip_t *cf,void (*cb)(sipevent_t*,transaction_t*)){  cf->cb_rcvinvite1xx = cb;}void osip_setcb_rcvinvite2xx(osip_t *cf,void (*cb)(sipevent_t*,transaction_t*)){  cf->cb_rcvinvite2xx = cb;}