int
__osip_nict_init (osip_nict_t ** nict, osip_t * osip, osip_message_t * request)
{
osip_route_t *route;
int i;
OSIP_TRACE (osip_trace (__FILE__, __LINE__, OSIP_INFO2, NULL, "allocating NICT context\n"));
*nict = (osip_nict_t *) osip_malloc (sizeof (osip_nict_t));
if (*nict == NULL)
return OSIP_NOMEM;
memset (*nict, 0, sizeof (osip_nict_t));
/* for REQUEST retransmissions */
{
osip_via_t *via;
char *proto;
i = osip_message_get_via (request, 0, &via); /* get top via */
if (i < 0) {
osip_free (*nict);
*nict = NULL;
return i;
}
proto = via_get_protocol (via);
if (proto == NULL) {
osip_free (*nict);
*nict = NULL;
return OSIP_UNDEFINED_ERROR;
}
#ifdef USE_BLOCKINGSOCKET
if (osip_strcasecmp (proto, "TCP") != 0 && osip_strcasecmp (proto, "TLS") != 0 && osip_strcasecmp (proto, "SCTP") != 0) {
(*nict)->timer_e_length = DEFAULT_T1;
(*nict)->timer_k_length = DEFAULT_T4;
(*nict)->timer_e_start.tv_sec = -1;
(*nict)->timer_k_start.tv_sec = -1; /* not started */
}
else { /* reliable protocol is used: */
(*nict)->timer_e_length = -1; /* E is not ACTIVE */
(*nict)->timer_k_length = 0; /* MUST do the transition immediatly */
(*nict)->timer_e_start.tv_sec = -1;
(*nict)->timer_k_start.tv_sec = -1; /* not started */
}
}
#else
if (osip_strcasecmp (proto, "TCP") != 0 && osip_strcasecmp (proto, "TLS") != 0 && osip_strcasecmp (proto, "SCTP") != 0) {
(*nict)->timer_e_length = DEFAULT_T1;
(*nict)->timer_k_length = DEFAULT_T4;
(*nict)->timer_e_start.tv_sec = -1;
(*nict)->timer_k_start.tv_sec = -1; /* not started */
}
else { /* reliable protocol is used: */
(*nict)->timer_e_length = DEFAULT_T1;
(*nict)->timer_k_length = 0; /* MUST do the transition immediatly */
(*nict)->timer_e_start.tv_sec = -1;
(*nict)->timer_k_start.tv_sec = -1; /* not started */
}
}
void
osip_nict_timeout_e_event (osip_transaction_t * nict, osip_event_t * evt)
{
osip_t *osip = (osip_t *) nict->config;
int i;
/* reset timer */
if (nict->state == NICT_TRYING) {
if (nict->nict_context->timer_e_length < DEFAULT_T1)
nict->nict_context->timer_e_length = nict->nict_context->timer_e_length + DEFAULT_T1_TCP_PROGRESS;
else
nict->nict_context->timer_e_length = nict->nict_context->timer_e_length * 2;
if (nict->nict_context->timer_e_length > DEFAULT_T2)
nict->nict_context->timer_e_length = DEFAULT_T2;
}
else /* in PROCEEDING STATE, TIMER is always DEFAULT_T2 */
nict->nict_context->timer_e_length = DEFAULT_T2;
osip_gettimeofday (&nict->nict_context->timer_e_start, NULL);
add_gettimeofday (&nict->nict_context->timer_e_start, nict->nict_context->timer_e_length);
/* retransmit REQUEST */
i = osip->cb_send_message (nict, nict->orig_request, nict->nict_context->destination, nict->nict_context->port, nict->out_socket);
if (i < 0) {
nict_handle_transport_error (nict, i);
return;
}
#ifndef USE_BLOCKINGSOCKET
/*
stop timer E in reliable transport - non blocking socket:
the message was just sent
*/
if (i == 0) { /* but message was really sent */
osip_via_t *via;
char *proto;
i = osip_message_get_via (nict->orig_request, 0, &via); /* get top via */
if (i < 0) {
nict_handle_transport_error (nict, -1);
return;
}
proto = via_get_protocol (via);
if (proto == NULL) {
nict_handle_transport_error (nict, -1);
return;
}
if (osip_strcasecmp (proto, "TCP") != 0 && osip_strcasecmp (proto, "TLS") != 0 && osip_strcasecmp (proto, "SCTP") != 0) {
}
else { /* reliable protocol is used: */
nict->nict_context->timer_e_length = -1; /* E is not ACTIVE */
nict->nict_context->timer_e_start.tv_sec = -1;
}
}
#endif
if (i == 0) /* but message was really sent */
__osip_message_callback (OSIP_NICT_REQUEST_SENT_AGAIN, nict, nict->orig_request);
}
void osip_ict_timeout_a_event(osip_transaction_t * ict, osip_event_t * evt)
{
osip_t *osip = (osip_t *) ict->config;
int i;
/* reset timer */
ict->ict_context->timer_a_length = ict->ict_context->timer_a_length * 2;
osip_gettimeofday(&ict->ict_context->timer_a_start, NULL);
add_gettimeofday(&ict->ict_context->timer_a_start,
ict->ict_context->timer_a_length);
/* retransmit REQUEST */
i = osip->cb_send_message(ict, ict->orig_request,
ict->ict_context->destination,
ict->ict_context->port, ict->out_socket);
if (i < 0) {
ict_handle_transport_error(ict, i);
return;
}
#ifndef USE_BLOCKINGSOCKET
/*
stop timer E in reliable transport - non blocking socket:
the message was just sent
*/
if (i == 0) { /* but message was really sent */
osip_via_t *via;
char *proto;
i = osip_message_get_via(ict->orig_request, 0, &via); /* get top via */
if (i < 0) {
ict_handle_transport_error(ict, i);
return;
}
proto = via_get_protocol(via);
if (proto == NULL) {
ict_handle_transport_error(ict, i);
return;
}
if (osip_strcasecmp(proto, "TCP") != 0
&& osip_strcasecmp(proto, "TLS") != 0
&& osip_strcasecmp(proto, "SCTP") != 0) {
} else { /* reliable protocol is used: */
ict->ict_context->timer_a_length = -1; /* A is not ACTIVE */
ict->ict_context->timer_a_start.tv_sec = -1;
}
}
#endif
if (i == 0)
__osip_message_callback(OSIP_ICT_INVITE_SENT_AGAIN, ict,
ict->orig_request);
}
int
__osip_ist_init (osip_ist_t ** ist, osip_t * osip, osip_message_t * invite)
{
int i;
OSIP_TRACE (osip_trace (__FILE__, __LINE__, OSIP_INFO2, NULL, "allocating IST context\n"));
*ist = (osip_ist_t *) osip_malloc (sizeof (osip_ist_t));
if (*ist == NULL)
return OSIP_NOMEM;
memset (*ist, 0, sizeof (osip_ist_t));
/* for INVITE retransmissions */
{
osip_via_t *via;
char *proto;
i = osip_message_get_via (invite, 0, &via); /* get top via */
if (i < 0) {
osip_free (*ist);
*ist = NULL;
return i;
}
proto = via_get_protocol (via);
if (proto == NULL) {
osip_free (*ist);
*ist = NULL;
return OSIP_UNDEFINED_ERROR;
}
if (osip_strcasecmp (proto, "TCP") != 0 && osip_strcasecmp (proto, "TLS") != 0 && osip_strcasecmp (proto, "SCTP") != 0) { /* for other reliable protocol than TCP, the timer
must be desactived by the external application */
(*ist)->timer_g_length = DEFAULT_T1;
(*ist)->timer_i_length = DEFAULT_T4;
(*ist)->timer_g_start.tv_sec = -1; /* not started */
(*ist)->timer_i_start.tv_sec = -1; /* not started */
}
else { /* reliable protocol is used: */
(*ist)->timer_g_length = -1; /* A is not ACTIVE */
(*ist)->timer_i_length = 0; /* MUST do the transition immediatly */
(*ist)->timer_g_start.tv_sec = -1; /* not started */
(*ist)->timer_i_start.tv_sec = -1; /* not started */
}
}
(*ist)->timer_h_length = 64 * DEFAULT_T1;
(*ist)->timer_h_start.tv_sec = -1; /* not started */
return OSIP_SUCCESS;
}
void ict_snd_invite(osip_transaction_t * ict, osip_event_t * evt)
{
int i;
osip_t *osip = (osip_t *) ict->config;
/* Here we have ict->orig_request == NULL */
ict->orig_request = evt->sip;
i = osip->cb_send_message(ict, evt->sip, ict->ict_context->destination,
ict->ict_context->port, ict->out_socket);
if (i < 0) {
ict_handle_transport_error(ict, i);
return;
}
#ifndef USE_BLOCKINGSOCKET
/*
stop timer E in reliable transport - non blocking socket:
the message was just sent
*/
if (i == 0) { /* but message was really sent */
osip_via_t *via;
char *proto;
i = osip_message_get_via(ict->orig_request, 0, &via); /* get top via */
if (i < 0) {
ict_handle_transport_error(ict, i);
return;
}
proto = via_get_protocol(via);
if (proto == NULL) {
ict_handle_transport_error(ict, i);
return;
}
if (osip_strcasecmp(proto, "TCP") != 0
&& osip_strcasecmp(proto, "TLS") != 0
&& osip_strcasecmp(proto, "SCTP") != 0) {
} else { /* reliable protocol is used: */
ict->ict_context->timer_a_length = -1; /* A is not ACTIVE */
ict->ict_context->timer_a_start.tv_sec = -1;
}
}
#endif
__osip_message_callback(OSIP_ICT_INVITE_SENT, ict, ict->orig_request);
__osip_transaction_set_state(ict, ICT_CALLING);
}
int
__osip_nist_init (osip_nist_t ** nist, osip_t * osip, osip_message_t * invite)
{
int i;
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_INFO2, NULL, "allocating NIST context\n"));
*nist = (osip_nist_t *) osip_malloc (sizeof (osip_nist_t));
if (*nist == NULL)
return -1;
memset (*nist, 0, sizeof (osip_nist_t));
/* for INVITE retransmissions */
{
osip_via_t *via;
char *proto;
i = osip_message_get_via (invite, 0, &via); /* get top via */
if (i != 0)
goto ii_error_1;
proto = via_get_protocol (via);
if (proto == NULL)
goto ii_error_1;
if (osip_strcasecmp (proto, "TCP") != 0
&& osip_strcasecmp (proto, "TLS") != 0
&& osip_strcasecmp (proto, "SCTP") != 0)
{
(*nist)->timer_j_length = 64 * DEFAULT_T1;
(*nist)->timer_j_start.tv_sec = -1; /* not started */
} else
{ /* reliable protocol is used: */
(*nist)->timer_j_length = 0; /* MUST do the transition immediatly */
(*nist)->timer_j_start.tv_sec = -1; /* not started */
}
}
return 0;
ii_error_1:
osip_free (*nist);
return -1;
}
void
nict_snd_request (osip_transaction_t * nict, osip_event_t * evt)
{
int i;
osip_t *osip = (osip_t *) nict->config;
/* Here we have ict->orig_request == NULL */
nict->orig_request = evt->sip;
i = osip->cb_send_message (nict, evt->sip, nict->nict_context->destination, nict->nict_context->port, nict->out_socket);
if (i >= 0) {
/* invoke the right callback! */
if (MSG_IS_REGISTER (evt->sip))
__osip_message_callback (OSIP_NICT_REGISTER_SENT, nict, nict->orig_request);
else if (MSG_IS_BYE (evt->sip))
__osip_message_callback (OSIP_NICT_BYE_SENT, nict, nict->orig_request);
else if (MSG_IS_OPTIONS (evt->sip))
__osip_message_callback (OSIP_NICT_OPTIONS_SENT, nict, nict->orig_request);
else if (MSG_IS_INFO (evt->sip))
__osip_message_callback (OSIP_NICT_INFO_SENT, nict, nict->orig_request);
else if (MSG_IS_CANCEL (evt->sip))
__osip_message_callback (OSIP_NICT_CANCEL_SENT, nict, nict->orig_request);
else if (MSG_IS_NOTIFY (evt->sip))
__osip_message_callback (OSIP_NICT_NOTIFY_SENT, nict, nict->orig_request);
else if (MSG_IS_SUBSCRIBE (evt->sip))
__osip_message_callback (OSIP_NICT_SUBSCRIBE_SENT, nict, nict->orig_request);
else
__osip_message_callback (OSIP_NICT_UNKNOWN_REQUEST_SENT, nict, nict->orig_request);
#ifndef USE_BLOCKINGSOCKET
/*
stop timer E in reliable transport - non blocking socket:
the message was just sent
*/
{
osip_via_t *via;
char *proto;
int k;
k = osip_message_get_via (nict->orig_request, 0, &via); /* get top via */
if (k < 0) {
nict_handle_transport_error (nict, -1);
return;
}
proto = via_get_protocol (via);
if (proto == NULL) {
nict_handle_transport_error (nict, -1);
return;
}
if (i == 0) { /* but message was really sent */
if (osip_strcasecmp (proto, "TCP") != 0 && osip_strcasecmp (proto, "TLS") != 0 && osip_strcasecmp (proto, "SCTP") != 0) {
}
else { /* reliable protocol is used: */
nict->nict_context->timer_e_length = -1; /* E is not ACTIVE */
nict->nict_context->timer_e_start.tv_sec = -1;
}
} else {
if (osip_strcasecmp (proto, "TCP") != 0 && osip_strcasecmp (proto, "TLS") != 0 && osip_strcasecmp (proto, "SCTP") != 0) {
}
else { /* reliable protocol is used: */
nict->nict_context->timer_e_length = DEFAULT_T1_TCP_PROGRESS;
}
}
}
#endif
if (nict->nict_context->timer_e_length > 0) {
osip_gettimeofday (&nict->nict_context->timer_e_start, NULL);
add_gettimeofday (&nict->nict_context->timer_e_start, nict->nict_context->timer_e_length);
}
__osip_transaction_set_state (nict, NICT_TRYING);
}
else {
nict_handle_transport_error (nict, i);
}
}
int
__osip_nict_init (osip_nict_t ** nict, osip_t * osip, osip_message_t * request)
{
osip_route_t *route;
int i;
time_t now;
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_INFO2, NULL,
"allocating NICT context\n"));
*nict = (osip_nict_t *) osip_malloc (sizeof (osip_nict_t));
if (*nict == NULL)
return -1;
now = time (NULL);
#ifndef DISABLE_MEMSET
memset (*nict, 0, sizeof (osip_nict_t));
#else
(*ict)->destination = NULL;
#endif
/* for REQUEST retransmissions */
{
osip_via_t *via;
char *proto;
i = osip_message_get_via (request, 0, &via); /* get top via */
if (i != 0)
goto ii_error_1;
proto = via_get_protocol (via);
if (proto == NULL)
goto ii_error_1;
i = osip_strncasecmp (proto, "TCP", 3);
if (i != 0)
{ /* for other reliable protocol than TCP, the timer
must be desactived by the external application */
(*nict)->timer_e_length = DEFAULT_T1;
(*nict)->timer_e_start = now; /* started */
(*nict)->timer_k_length = DEFAULT_T4;
(*nict)->timer_k_start = -1; /* not started */
}
else
{ /* TCP is used: */
(*nict)->timer_e_length = -1; /* E is not ACTIVE */
(*nict)->timer_e_start = -1;
(*nict)->timer_k_length = 0; /* MUST do the transition immediatly */
(*nict)->timer_k_start = -1; /* not started */
}
}
/* for PROXY, the destination MUST be set by the application layer,
this one may not be correct. */
osip_message_get_route (request, 0, &route);
if (route != NULL)
{
int port = 5060;
if (route->url->port != NULL)
port = osip_atoi (route->url->port);
osip_nict_set_destination ((*nict), osip_strdup (route->url->host), port);
}
else
(*nict)->port = 5060;
(*nict)->timer_f_length = 64 * DEFAULT_T1;
(*nict)->timer_f_start = now; /* started */
/* Oups! a Bug! */
/* (*nict)->port = 5060; */
return 0;
ii_error_1:
osip_free (*nict);
return -1;
}
int
__osip_ict_init (osip_ict_t ** ict, osip_t * osip, osip_message_t * invite)
{
osip_route_t *route;
int i;
OSIP_TRACE (osip_trace (__FILE__, __LINE__, OSIP_INFO2, NULL, "allocating ICT context\n"));
*ict = (osip_ict_t *) osip_malloc (sizeof (osip_ict_t));
if (*ict == NULL)
return OSIP_NOMEM;
memset (*ict, 0, sizeof (osip_ict_t));
/* for INVITE retransmissions */
{
osip_via_t *via;
char *proto;
i = osip_message_get_via (invite, 0, &via); /* get top via */
if (i < 0) {
osip_free (*ict);
return i;
}
proto = via_get_protocol (via);
if (proto == NULL) {
osip_free (*ict);
return OSIP_SYNTAXERROR;
}
#ifdef USE_BLOCKINGSOCKET
if (osip_strcasecmp (proto, "TCP") != 0 && osip_strcasecmp (proto, "TLS") != 0 && osip_strcasecmp (proto, "SCTP") != 0) { /* for other reliable protocol than TCP, the timer
must be desactived by the external application */
(*ict)->timer_a_length = DEFAULT_T1;
if (64 * DEFAULT_T1 < 32000)
(*ict)->timer_d_length = 32000;
else
(*ict)->timer_d_length = 64 * DEFAULT_T1;
osip_gettimeofday (&(*ict)->timer_a_start, NULL);
add_gettimeofday (&(*ict)->timer_a_start, (*ict)->timer_a_length);
(*ict)->timer_d_start.tv_sec = -1; /* not started */
}
else { /* reliable protocol is used: */
(*ict)->timer_a_length = -1; /* A is not ACTIVE */
(*ict)->timer_d_length = 0; /* MUST do the transition immediatly */
(*ict)->timer_a_start.tv_sec = -1; /* not started */
(*ict)->timer_d_start.tv_sec = -1; /* not started */
}
}
#else
if (osip_strcasecmp (proto, "TCP") != 0 && osip_strcasecmp (proto, "TLS") != 0 && osip_strcasecmp (proto, "SCTP") != 0) { /* for other reliable protocol than TCP, the timer
must be desactived by the external application */
(*ict)->timer_a_length = DEFAULT_T1;
if (64 * DEFAULT_T1 < 32000)
(*ict)->timer_d_length = 32000;
else
(*ict)->timer_d_length = 64 * DEFAULT_T1;
osip_gettimeofday (&(*ict)->timer_a_start, NULL);
add_gettimeofday (&(*ict)->timer_a_start, (*ict)->timer_a_length);
(*ict)->timer_d_start.tv_sec = -1; /* not started */
}
else { /* reliable protocol is used: */
(*ict)->timer_a_length = DEFAULT_T1;
(*ict)->timer_d_length = 0; /* MUST do the transition immediatly */
osip_gettimeofday (&(*ict)->timer_a_start, NULL);
add_gettimeofday (&(*ict)->timer_a_start, (*ict)->timer_a_length);
(*ict)->timer_d_start.tv_sec = -1; /* not started */
}
}