/**
* Callback function called to alert the dialog for new events from the transaction/transport layers.
*
* @param [in,out] self A reference to the dialog.
* @param type The event type.
* @param [in,out] msg The incoming SIP/IMS message.
*
* @return Zero if succeed and non-zero error code otherwise.
**/
int tsip_dialog_subscribe_event_callback(const tsip_dialog_subscribe_t *self, tsip_dialog_event_type_t type, const tsip_message_t *msg)
{
int ret = -1;
switch(type)
{
case tsip_dialog_i_msg:
{
if(msg && TSIP_MESSAGE_IS_RESPONSE(msg)){
//
// RESPONSE
//
const tsip_action_t* action = tsip_dialog_keep_action(TSIP_DIALOG(self), msg) ? TSIP_DIALOG(self)->curr_action : tsk_null;
if(TSIP_RESPONSE_IS_1XX(msg)){
ret = tsip_dialog_fsm_act(TSIP_DIALOG(self), _fsm_action_1xx, msg, action);
}
else if(TSIP_RESPONSE_IS_2XX(msg)){
ret = tsip_dialog_fsm_act(TSIP_DIALOG(self), _fsm_action_2xx, msg, action);
}
else if(TSIP_RESPONSE_IS(msg,401) || TSIP_RESPONSE_IS(msg,407) || TSIP_RESPONSE_IS(msg,421) || TSIP_RESPONSE_IS(msg,494)){
ret = tsip_dialog_fsm_act(TSIP_DIALOG(self), _fsm_action_401_407_421_494, msg, action);
}
else if(TSIP_RESPONSE_IS(msg,423)){
ret = tsip_dialog_fsm_act(TSIP_DIALOG(self), _fsm_action_423, msg, action);
}
else{
// Alert User
ret = tsip_dialog_fsm_act(TSIP_DIALOG(self), _fsm_action_error, msg, action);
/* TSK_DEBUG_WARN("Not supported status code: %d", TSIP_RESPONSE_CODE(msg)); */
}
}
else{
//
// REQUEST
//
if(TSIP_REQUEST_IS_NOTIFY(msg)){
ret = tsip_dialog_fsm_act(TSIP_DIALOG(self), _fsm_action_notify, msg, tsk_null);
}
}
break;
}
case tsip_dialog_canceled:
{
ret = tsip_dialog_fsm_act(TSIP_DIALOG(self), _fsm_action_cancel, msg, tsk_null);
break;
}
case tsip_dialog_terminated:
case tsip_dialog_timedout:
case tsip_dialog_error:
case tsip_dialog_transport_error:
{
ret = tsip_dialog_fsm_act(TSIP_DIALOG(self), _fsm_action_transporterror, msg, tsk_null);
break;
}
}
return ret;
}
static int tsip_dialog_message_event_callback(const tsip_dialog_message_t *self, tsip_dialog_event_type_t type, const tsip_message_t *msg)
{
int ret = -1;
switch(type)
{
case tsip_dialog_i_msg:
{
if(msg){
if(TSIP_MESSAGE_IS_RESPONSE(msg)){
const tsip_action_t* action = tsip_dialog_keep_action(TSIP_DIALOG(self), msg) ? TSIP_DIALOG(self)->curr_action : tsk_null;
if(TSIP_RESPONSE_IS_1XX(msg)){
ret = tsip_dialog_fsm_act(TSIP_DIALOG(self), _fsm_action_1xx, msg, action);
}
else if(TSIP_RESPONSE_IS_2XX(msg)){
ret = tsip_dialog_fsm_act(TSIP_DIALOG(self), _fsm_action_2xx, msg, action);
}
else if(TSIP_RESPONSE_CODE(msg) == 401 || TSIP_RESPONSE_CODE(msg) == 407 || TSIP_RESPONSE_CODE(msg) == 421 || TSIP_RESPONSE_CODE(msg) == 494){
ret = tsip_dialog_fsm_act(TSIP_DIALOG(self), _fsm_action_401_407_421_494, msg, action);
}
else if(TSIP_RESPONSE_IS_3456(msg)){
ret = tsip_dialog_fsm_act(TSIP_DIALOG(self), _fsm_action_300_to_699, msg, action);
}
else{ /* Should never happen */
ret = tsip_dialog_fsm_act(TSIP_DIALOG(self), _fsm_action_error, msg, action);
}
}
else if (TSIP_REQUEST_IS_MESSAGE(msg)){ /* have been checked by dialog layer...but */
// REQUEST ==> Incoming MESSAGE
ret = tsip_dialog_fsm_act(TSIP_DIALOG(self), _fsm_action_receiveMESSAGE, msg, tsk_null);
}
}
break;
}
case tsip_dialog_canceled:
{
ret = tsip_dialog_fsm_act(TSIP_DIALOG(self), _fsm_action_cancel, msg, tsk_null);
break;
}
case tsip_dialog_terminated:
case tsip_dialog_timedout:
case tsip_dialog_error:
case tsip_dialog_transport_error:
{
ret = tsip_dialog_fsm_act(TSIP_DIALOG(self), _fsm_action_transporterror, msg, tsk_null);
break;
}
}
return ret;
}
/**
* Callback function called by the transport layer to alert the transaction for incoming messages
* or errors (e.g. transport error).
*
* @param [in,out] self A pointer to the NIC transaction.
* @param type The event type.
* @param [in,out] msg The incoming message.
*
* @return Zero if succeed and no-zero error code otherwise.
**/
int tsip_transac_nict_event_callback(const tsip_transac_nict_t *self, tsip_transac_event_type_t type, const tsip_message_t *msg)
{
int ret = 0;
switch(type)
{
case tsip_transac_incoming_msg:
{
if(msg && TSIP_MESSAGE_IS_RESPONSE(msg)){
if(TSIP_RESPONSE_IS_1XX(msg)){
ret = tsip_transac_fsm_act(TSIP_TRANSAC(self), _fsm_action_1xx, msg);
}
else if(TSIP_RESPONSE_IS_23456(msg)){
ret = tsip_transac_fsm_act(TSIP_TRANSAC(self), _fsm_action_200_to_699, msg);
}
else{
TSK_DEBUG_WARN("Not supported status code: %d", TSIP_RESPONSE_CODE(msg));
}
}
break;
}
case tsip_transac_canceled:
case tsip_transac_terminated:
case tsip_transac_timedout:
break;
case tsip_transac_error:
{
ret = tsip_transac_fsm_act(TSIP_TRANSAC(self), _fsm_action_error, msg);
break;
}
case tsip_transac_transport_error:
{
ret = tsip_transac_fsm_act(TSIP_TRANSAC(self), _fsm_action_transporterror, msg);
break;
}
default: break;
}
return ret;
}
int tsip_transac_nist_event_callback(const tsip_transac_nist_t *self, tsip_transac_event_type_t type, const tsip_message_t *msg)
{
int ret = -1;
switch(type) {
case tsip_transac_incoming_msg: { /* From Transport Layer to Transaction Layer */
if(msg && TSIP_MESSAGE_IS_REQUEST(msg)) {
ret = tsip_transac_fsm_act(TSIP_TRANSAC(self), _fsm_action_request, msg);
}
break;
}
case tsip_transac_outgoing_msg: { /* From TU to Transport Layer */
if(msg && TSIP_MESSAGE_IS_RESPONSE(msg)) {
if(TSIP_RESPONSE_IS_1XX(msg)) {
ret = tsip_transac_fsm_act(TSIP_TRANSAC(self), _fsm_action_send_1xx, msg);
}
else if(TSIP_RESPONSE_IS_23456(msg)) {
ret = tsip_transac_fsm_act(TSIP_TRANSAC(self), _fsm_action_send_200_to_699, msg);
}
}
break;
}
case tsip_transac_canceled:
case tsip_transac_terminated:
case tsip_transac_timedout:
break;
case tsip_transac_error: {
ret = tsip_transac_fsm_act(TSIP_TRANSAC(self), _fsm_action_error, msg);
break;
}
case tsip_transac_transport_error: {
ret = tsip_transac_fsm_act(TSIP_TRANSAC(self), _fsm_action_transporterror, msg);
break;
}
}
return ret;
}
