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);
__osip_transaction_set_state (nict, NICT_TRYING);
} else
{
nict_handle_transport_error (nict, i);
}
}
void
nist_rcv_request (osip_transaction_t * nist, osip_event_t * evt)
{
int i;
if (nist->state == NIST_PRE_TRYING) /* announce new REQUEST */
{
/* Here we have ist->orig_request == NULL */
nist->orig_request = evt->sip;
if (MSG_IS_REGISTER (evt->sip))
__osip_message_callback (OSIP_NIST_REGISTER_RECEIVED, nist,
nist->orig_request);
else if (MSG_IS_BYE (evt->sip))
__osip_message_callback (OSIP_NIST_BYE_RECEIVED, nist, nist->orig_request);
else if (MSG_IS_OPTIONS (evt->sip))
__osip_message_callback (OSIP_NIST_OPTIONS_RECEIVED, nist,
nist->orig_request);
else if (MSG_IS_INFO (evt->sip))
__osip_message_callback (OSIP_NIST_INFO_RECEIVED, nist,
nist->orig_request);
else if (MSG_IS_CANCEL (evt->sip))
__osip_message_callback (OSIP_NIST_CANCEL_RECEIVED, nist,
nist->orig_request);
else if (MSG_IS_NOTIFY (evt->sip))
__osip_message_callback (OSIP_NIST_NOTIFY_RECEIVED, nist,
nist->orig_request);
else if (MSG_IS_SUBSCRIBE (evt->sip))
__osip_message_callback (OSIP_NIST_SUBSCRIBE_RECEIVED, nist,
nist->orig_request);
else
__osip_message_callback (OSIP_NIST_UNKNOWN_REQUEST_RECEIVED, nist,
nist->orig_request);
} else /* NIST_PROCEEDING or NIST_COMPLETED */
{
/* delete retransmission */
osip_message_free (evt->sip);
__osip_message_callback (OSIP_NIST_REQUEST_RECEIVED_AGAIN, nist,
nist->orig_request);
if (nist->last_response != NULL) /* retransmit last response */
{
i = __osip_transaction_snd_xxx(nist, nist->last_response);
if (i != 0)
{
nist_handle_transport_error (nist, i);
return;
} else
{
if (MSG_IS_STATUS_1XX (nist->last_response))
__osip_message_callback (OSIP_NIST_STATUS_1XX_SENT, nist,
nist->last_response);
else if (MSG_IS_STATUS_2XX (nist->last_response))
__osip_message_callback (OSIP_NIST_STATUS_2XX_SENT_AGAIN,
nist, nist->last_response);
else
__osip_message_callback (OSIP_NIST_STATUS_3456XX_SENT_AGAIN,
nist, nist->last_response);
return;
}
}
/* we are already in the proper state */
return;
}
/* we come here only if it was the first REQUEST received */
__osip_transaction_set_state (nist, NIST_TRYING);
}
void
nist_rcv_request (osip_transaction_t * nist, osip_event_t * evt)
{
int i;
osip_t *osip = (osip_t *) nist->config;
if (nist->state == NIST_PRE_TRYING) /* announce new REQUEST */
{
/* Here we have ist->orig_request == NULL */
nist->orig_request = evt->sip;
if (MSG_IS_REGISTER (evt->sip))
__osip_message_callback (OSIP_NIST_REGISTER_RECEIVED, nist,
nist->orig_request);
else if (MSG_IS_BYE (evt->sip))
__osip_message_callback (OSIP_NIST_BYE_RECEIVED, nist,
nist->orig_request);
else if (MSG_IS_OPTIONS (evt->sip))
__osip_message_callback (OSIP_NIST_OPTIONS_RECEIVED, nist,
nist->orig_request);
else if (MSG_IS_INFO (evt->sip))
__osip_message_callback (OSIP_NIST_INFO_RECEIVED, nist,
nist->orig_request);
else if (MSG_IS_CANCEL (evt->sip))
__osip_message_callback (OSIP_NIST_CANCEL_RECEIVED, nist,
nist->orig_request);
else if (MSG_IS_NOTIFY (evt->sip))
__osip_message_callback (OSIP_NIST_NOTIFY_RECEIVED, nist,
nist->orig_request);
else if (MSG_IS_SUBSCRIBE (evt->sip))
__osip_message_callback (OSIP_NIST_SUBSCRIBE_RECEIVED, nist,
nist->orig_request);
else
__osip_message_callback (OSIP_NIST_UNKNOWN_REQUEST_RECEIVED, nist,
nist->orig_request);
}
else /* NIST_PROCEEDING or NIST_COMPLETED */
{
/* delete retransmission */
osip_message_free (evt->sip);
__osip_message_callback (OSIP_NIST_REQUEST_RECEIVED_AGAIN, nist,
nist->orig_request);
if (nist->last_response != NULL) /* retransmit last response */
{
osip_via_t *via;
via = (osip_via_t *) osip_list_get (nist->last_response->vias, 0);
if (via)
{
char *host;
int port;
osip_generic_param_t *maddr;
osip_generic_param_t *received;
osip_generic_param_t *rport;
osip_via_param_get_byname (via, "maddr", &maddr);
osip_via_param_get_byname (via, "received", &received);
osip_via_param_get_byname (via, "rport", &rport);
/* 1: user should not use the provided information
(host and port) if they are using a reliable
transport. Instead, they should use the already
open socket attached to this transaction. */
/* 2: check maddr and multicast usage */
if (maddr != NULL)
host = maddr->gvalue;
/* we should check if this is a multicast address and use
set the "ttl" in this case. (this must be done in the
UDP message (not at the SIP layer) */
else if (received != NULL)
host = received->gvalue;
else
host = via->host;
if (rport == NULL || rport->gvalue == NULL)
{
if (via->port != NULL)
port = osip_atoi (via->port);
else
port = 5060;
}
else
port = osip_atoi (rport->gvalue);
i = osip->cb_send_message (nist, nist->last_response, host,
port, nist->out_socket);
}
else
i = -1;
if (i != 0)
{
nist_handle_transport_error (nist, i);
return;
}
else
{
if (MSG_IS_STATUS_1XX (nist->last_response))
__osip_message_callback (OSIP_NIST_STATUS_1XX_SENT, nist,
nist->last_response);
else if (MSG_IS_STATUS_2XX (nist->last_response))
__osip_message_callback (OSIP_NIST_STATUS_2XX_SENT_AGAIN, nist,
nist->last_response);
else
__osip_message_callback (OSIP_NIST_STATUS_3456XX_SENT_AGAIN, nist,
nist->last_response);
return;
}
}
/* we are already in the proper state */
return;
}
/* we come here only if it was the first REQUEST received */
__osip_transaction_set_state (nist, NIST_TRYING);
}
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);
}
}
gint get_exosip_events(gpointer main_window)
{
eXosip_event_t *je;
char display[500] = "";
eXosip_lock();
eXosip_unlock();
/* Check for eXosip event - timeout after 50ms */
if((je = eXosip_event_wait(0,50)) != NULL)
{
/* Uncomment the next line for debugging */
//fprintf(stderr, "Event type: %d %s\n", je->type, je->textinfo);
imsua_display_event_info(je);
if (je->type == EXOSIP_CALL_INVITE)
{
ims_process_incoming_invite(je);
}
else if (je->type == EXOSIP_CALL_REINVITE)
{
ims_process_incoming_reinvite(je);
}
else if (je->type == EXOSIP_CALL_RINGING)
{
ims_process_18x(je);
}
else if (je->type == EXOSIP_CALL_GLOBALFAILURE)
{
ims_process_released_call(je);
}
else if (je->type == EXOSIP_CALL_CLOSED)
{
ims_process_released_call(je);
}
else if (je->type == EXOSIP_CALL_ANSWERED)
{
ims_process_200ok(je);
}
else if (je->type == EXOSIP_CALL_RELEASED)
{
ims_process_released_call(je);
}
else if (je->type == EXOSIP_CALL_CANCELLED)
{
ims_process_released_call(je);
}
else if (je->type == EXOSIP_CALL_ACK)
{
ims_process_ack(je);
}
else if (je->type == EXOSIP_CALL_MESSAGE_REQUESTFAILURE)
{
ims_process_released_call(je);
}
else if (je->type == EXOSIP_CALL_REQUESTFAILURE)
{
set_display("Call released");
}
else if (je->type == EXOSIP_CALL_SERVERFAILURE)
{
set_display("Call released by server");
}
else if (je->type == EXOSIP_CALL_MESSAGE_NEW)
{
if (MSG_IS_PRACK(je->request))
ims_process_prack(je);
else if (MSG_IS_UPDATE(je->request))
ims_process_update(je);
else if (MSG_IS_INFO(je->request))
common_process_info(je);
else if (MSG_IS_BYE(je->request))
imsua_set_message_display("OK (BYE)", 1);
}
else if (je->type == EXOSIP_CALL_MESSAGE_ANSWERED)
{
if (MSG_IS_BYE(je->request))
ims_process_released_call(je);
else if (MSG_IS_UPDATE(je->request) || MSG_IS_PRACK(je->request))
ims_process_2xx(je);
}
else if (je->type == EXOSIP_MESSAGE_NEW)
{
if (MSG_IS_MESSAGE(je->request))
{
/* Checks that message is actually destined for user by comparing sending TO field to IMPU */
char sending_ui[50];
strcpy(sending_ui,(((je->request)->to)->url)->username);
strcat(sending_ui,"@");
strcat(sending_ui,(((je->request)->to)->url)->host);
char *temp;
temp = strstr(pref->impu,":") + 1;
if(strcmp(sending_ui,temp)==0)
{
char *null_string = NULL;
ims_start_im_session(je, null_string);
}
}
else if (MSG_IS_BYE(je->request))
{
set_display("Call ended");
}
}
else if(je->type == EXOSIP_MESSAGE_REQUESTFAILURE)
{
}
else if(je->type == EXOSIP_MESSAGE_ANSWERED)
{
}
else if(je->type == EXOSIP_REGISTRATION_SUCCESS)
{
if(is_message_deregister == 1)
{
registered = NOT_REGISTERED;
is_message_deregister = 0;
sprintf(display, "Deregistered with %s",pref->realm);
set_display(display);
sprintf(display,"Not registered");
set_status_bar(display);
watchers_remove_all_watchers();
num_associated_uris = 0;
}
else
{
registered = REGISTERED;
ims_process_registration_200ok(je);
}
}
else if(je->type == EXOSIP_REGISTRATION_FAILURE)
{
if((je->response)== NULL)
{
set_display("Registration failed for unknown reason\nMost probably incorrect credentials\n\nCheck Preferences");
}
else if(((je->response)->status_code == 403))
{
set_display("Invalid user name\n\nCheck Preferences");
}
else if(((je->response)->status_code == 401))
{
ims_process_401(je);
}
else if(((je->response)->status_code == 404) || ((je->response)->status_code == 407))
{
set_display("Error with credentials\n\nCheck Preferences");
}
else
{
set_display("Registration failed for unknown reason\n\nMost probably incorrect credentials\nCheck Preferences");
}
}
else if(je->type == EXOSIP_REGISTRATION_REFRESHED)
{
set_display("Registration Refreshed");
registered = REGISTERED;
}
else if(je->type == EXOSIP_REGISTRATION_TERMINATED)
{
}
else if(je->type == EXOSIP_SUBSCRIPTION_ANSWERED)
{
ims_process_subscription_answered(je);
}
else if (je->type == EXOSIP_SUBSCRIPTION_NOTIFY)
{
ims_process_notify(je);
}
else if (je->type == EXOSIP_SUBSCRIPTION_REQUESTFAILURE)
{
}
else if (je->type == EXOSIP_IN_SUBSCRIPTION_NEW)
{
}
else if((je->response)&&((je->response)->status_code == 302))
{
ims_process_302(je);
}
else
{
}
}
return TRUE;
}
