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/*
The oSIP library implements the Session Initiation Protocol (SIP -rfc3261-)
Copyright (C) 2001,2002,2003 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/port.h>
#include <osip/osip.h>
#include "fsm.h"
/* Create a sipevent according to the SIP message buf. */
/* INPUT : char *buf | message as a string. */
/* return NULL if message cannot be parsed */
sipevent_t *
osip_parse (char *buf)
{
sipevent_t *se = osip_new_event (UNKNOWN_EVT, 0);
int i;
#ifdef TEST_PARSER_SPEED
{
int kk;
int pstime1, pstime;
struct timespec tv1;
clock_gettime (CLOCK_REALTIME, &tv1);
pstime = ((tv1.tv_sec * 1000) + (tv1.tv_nsec / 1000000));
for (kk = 0; kk < 10000; kk++)
{
i = msg_init (&(se->sip));
if (msg_parse (se->sip, buf) == -1)
{
fprintf (stdout, "msg_parse retrun -1\n");
msg_free (se->sip);
sfree (se->sip);
}
else
{ /* msg is parsed */
msg_free (se->sip);
sfree (se->sip);
}
}
clock_gettime (CLOCK_REALTIME, &tv1);
pstime1 = ((tv1.tv_sec * 1000) + (tv1.tv_nsec / 1000000));
fprintf (stdout, "CPU clock ticks for 10000 messages - T1: %i - T2: %i\n",
pstime1, pstime);
fprintf (stdout, "CPU time for 10000 messages - %d\n",
(pstime1 - pstime));
}
sfree (se);
return NULL;
#endif
/* parse message and set up an event */
i = msg_init (&(se->sip));
if (msg_parse (se->sip, buf) == -1)
{
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_ERROR, NULL,
"could not parse message\n"));
msg_free (se->sip);
sfree (se->sip);
sfree (se);
return NULL;
}
else
{
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_INFO3, NULL,
"MESSAGE REC. CALLID:%s\n", se->sip->call_id->number));
se->type = evt_settype_incoming_sipmessage (se->sip);
return se;
}
}
/* allocates an event from retransmitter. */
/* USED ONLY BY THE STACK. */
/* INPUT : int transactionid | id of the transaction. */
/* INPUT : type_t type | type of event. */
/* returns null on error. */
sipevent_t *
osip_new_event (type_t type, int transactionid)
{
sipevent_t *sipevent;
sipevent = (sipevent_t *) smalloc (sizeof (sipevent_t));
if (sipevent == NULL)
return NULL;
sipevent->type = type;
sipevent->sip = NULL;
sipevent->transactionid = transactionid;
return sipevent;
}
/* allocates an event from user. */
/* USED ONLY BY THE USER. */
/* INPUT : sip_t *sip | sip message for transaction. */
/* returns null on error. */
sipevent_t *
osip_new_outgoing_sipmessage (sip_t * sip)
{
sipevent_t *sipevent;
sipevent = (sipevent_t *) smalloc (sizeof (sipevent_t));
if (sipevent == NULL)
return NULL;
sipevent->sip = sip;
sipevent->type = evt_settype_outgoing_sipmessage (sip);
sipevent->transactionid = 0;
return sipevent;
}
/* allocates an event from transport. */
/* USED ONLY BY THE TRANSPORT LAYER. */
/* INPUT : sip_t *sip | sip message for transaction. */
/* returns null on error. */
sipevent_t *
osip_new_incoming_sipmessage (sip_t * sip)
{
sipevent_t *sipevent;
sipevent = (sipevent_t *) smalloc (sizeof (sipevent_t));
if (sipevent == NULL)
return NULL;
sipevent->sip = sip;
sipevent->type = evt_settype_incoming_sipmessage (sip);
sipevent->transactionid = 0;
return sipevent;
}
type_t
evt_settype_incoming_sipmessage (sip_t * sip)
{
if (MSG_IS_REQUEST (sip))
{
if (MSG_IS_INVITE (sip))
return RCV_REQINVITE;
else if (MSG_IS_ACK (sip))
return RCV_REQACK;
return RCV_REQUEST;
}
else
{
if (MSG_IS_STATUS_1XX (sip))
return RCV_STATUS_1XX;
else if (MSG_IS_STATUS_2XX (sip))
return RCV_STATUS_2XX;
return RCV_STATUS_3456XX;
}
}
type_t
evt_settype_outgoing_sipmessage (sip_t * sip)
{
if (MSG_IS_REQUEST (sip))
{
if (MSG_IS_INVITE (sip))
return SND_REQINVITE;
if (MSG_IS_ACK (sip))
return SND_REQACK;
return SND_REQUEST;
}
else
{
if (MSG_IS_STATUS_1XX (sip))
return SND_STATUS_1XX;
else if (MSG_IS_STATUS_2XX (sip))
return SND_STATUS_2XX;
return SND_STATUS_3456XX;
}
}
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