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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 <stdlib.h>
#include <stdio.h>
#include <osip/port.h>
#include <osip/smsg.h>
int
cseq_init (cseq_t ** cseq)
{
*cseq = (cseq_t *) smalloc (sizeof (cseq_t));
if (*cseq == NULL)
return -1;
(*cseq)->method = NULL;
(*cseq)->number = NULL;
return 0;
}
/* fills the cseq header of message. */
/* INPUT : char *hvalue | value of header. */
/* OUTPUT: sip_t *sip | structure to save results. */
/* returns -1 on error. */
int
msg_setcseq (sip_t * sip, char *hvalue)
{
int i;
if (sip->cseq != NULL)
return -1;
i = cseq_init (&(sip->cseq));
if (i != 0)
return -1;
#ifdef USE_TMP_BUFFER
sip->message_property = 2;
#endif
i = cseq_parse (sip->cseq, hvalue);
if (i != 0)
{
cseq_free (sip->cseq);
sfree (sip->cseq);
sip->cseq = NULL;
return -1;
}
return 0;
}
/* fills the cseq strucuture. */
/* INPUT : char *hvalue | value of header. */
/* OUTPUT: sip_t *sip | structure to save results. */
/* returns -1 on error. */
int
cseq_parse (cseq_t * cseq, char *hvalue)
{
char *method = NULL;
char *end = NULL;
cseq->number = NULL;
cseq->method = NULL;
method = strchr (hvalue, ' '); /* SEARCH FOR SPACE */
end = hvalue + strlen (hvalue);
if (method == NULL)
return -1;
if (method - hvalue + 1 < 2)
return -1;
cseq->number = (char *) smalloc (method - hvalue + 1);
if (cseq->number == NULL)
return -1;
sstrncpy (cseq->number, hvalue, method - hvalue);
sclrspace (cseq->number);
if (end - method + 1 < 2)
return -1;
cseq->method = (char *) smalloc (end - method + 1);
if (cseq->method == NULL)
return -1;
sstrncpy (cseq->method, method + 1, end - method);
sclrspace (cseq->method);
return 0; /* ok */
}
/* returns the cseq header. */
/* INPUT : sip_t *sip | sip message. */
/* returns null on error. */
cseq_t *
msg_getcseq (sip_t * sip)
{
return sip->cseq;
}
char *
cseq_getnumber (cseq_t * cseq)
{
return cseq->number;
}
char *
cseq_getmethod (cseq_t * cseq)
{
return cseq->method;
}
void
cseq_setnumber (cseq_t * cseq, char *number)
{
cseq->number = (char *) number;
}
void
cseq_setmethod (cseq_t * cseq, char *method)
{
cseq->method = (char *) method;
}
/* returns the cseq header as a string. */
/* INPUT : cseq_t *cseq | cseq header. */
/* returns null on error. */
int
cseq_2char (cseq_t * cseq, char **dest)
{
int len;
*dest = NULL;
if ((cseq == NULL) || (cseq->number == NULL) || (cseq->method == NULL))
return -1;
len = strlen (cseq->method) + strlen (cseq->number) + 2;
*dest = (char *) smalloc (len);
if (*dest == NULL)
return -1;
sprintf (*dest, "%s %s", cseq->number, cseq->method);
return 0;
}
/* deallocates a cseq_t structure. */
/* INPUT : cseq_t *cseq | cseq. */
void
cseq_free (cseq_t * cseq)
{
if (cseq == NULL)
return;
sfree (cseq->method);
sfree (cseq->number);
}
int
cseq_clone (cseq_t * cseq, cseq_t ** dest)
{
int i;
cseq_t *cs;
*dest = NULL;
if (cseq == NULL)
return -1;
if (cseq->method == NULL)
return -1;
if (cseq->number == NULL)
return -1;
i = cseq_init (&cs);
if (i != 0)
{
cseq_free (cs);
sfree (cs);
return -1;
}
cs->method = sgetcopy (cseq->method);
cs->number = sgetcopy (cseq->number);
*dest = cs;
return 0;
}
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