/* ======================== conds ======================== */
static tsk_bool_t _fsm_cond_get_local_candidates(tsip_dialog_invite_t* self, tsip_message_t* message)
{
if(self->supported.ice){
tsk_bool_t use_ice = tsk_false;
// "action->media.type" will be defined for locally initiated media update
tmedia_type_t new_media = TSIP_DIALOG(self)->curr_action ? TSIP_DIALOG(self)->curr_action->media.type : tmedia_none;
if(message && TSIP_MESSAGE_HAS_CONTENT(message) && tsk_striequals("application/sdp", TSIP_MESSAGE_CONTENT_TYPE(message))){
// If this code is called this means that we are the "answerer"
// only gets the candidates if ICE is enabled and the remote peer supports ICE
tsdp_message_t* sdp_ro;
const tsdp_header_M_t* M;
int index;
if(!(sdp_ro = tsdp_message_parse(TSIP_MESSAGE_CONTENT_DATA(message), TSIP_MESSAGE_CONTENT_DATA_LENGTH(message)))){
TSK_DEBUG_ERROR("Failed to parse remote sdp message");
return tsk_false;
}
index = 0;
while((M = (const tsdp_header_M_t*)tsdp_message_get_headerAt(sdp_ro, tsdp_htype_M, index++))){
if(!tsdp_header_M_findA(M, "candidate")){
use_ice = tsk_false; // do not use ICE is at least on media is ICE-less (e.g. MSRP)
break;
}
use_ice = tsk_true; // only use ICE if there is a least one media line
}
new_media = tmedia_type_from_sdp(sdp_ro);
TSK_OBJECT_SAFE_FREE(sdp_ro);
}
else if(!message){
// we are the "offerer" -> use ICE only for audio or video medias (ignore ice for MSRP)
use_ice = (new_media & tmedia_audio) || (new_media & tmedia_video);
}
if(use_ice){
if(!self->ice.ctx_audio && !self->ice.ctx_video){ // First time
return tsk_true;
}
else{
if(self->ice.media_type != new_media){
return tsk_true;
}
return !tsip_dialog_invite_ice_got_local_candidates(self);
}
}
}
return tsk_false;
}
int tsip_dialog_message_init(tsip_dialog_message_t *self)
{
//const tsk_param_t* param;
/* Initialize the state machine. */
tsk_fsm_set(TSIP_DIALOG_GET_FSM(self),
/*=======================
* === Started ===
*/
// Started -> (send) -> Sending
TSK_FSM_ADD_ALWAYS(_fsm_state_Started, _fsm_action_sendMESSAGE, _fsm_state_Sending, tsip_dialog_message_Started_2_Sending_X_sendMESSAGE, "tsip_dialog_message_Started_2_Sending_X_sendMESSAGE"),
// Started -> (receive) -> Receiving
TSK_FSM_ADD_ALWAYS(_fsm_state_Started, _fsm_action_receiveMESSAGE, _fsm_state_Receiving, tsip_dialog_message_Started_2_Receiving_X_recvMESSAGE, "tsip_dialog_message_Started_2_Receiving_X_recvMESSAGE"),
// Started -> (Any) -> Started
TSK_FSM_ADD_ALWAYS_NOTHING(_fsm_state_Started, "tsip_dialog_message_Started_2_Started_X_any"),
/*=======================
* === Sending ===
*/
// Sending -> (1xx) -> Sending
TSK_FSM_ADD_ALWAYS(_fsm_state_Sending, _fsm_action_1xx, _fsm_state_Sending, tsip_dialog_message_Sending_2_Sending_X_1xx, "tsip_dialog_message_Sending_2_Sending_X_1xx"),
// Sending -> (2xx) -> Terminated
TSK_FSM_ADD_ALWAYS(_fsm_state_Sending, _fsm_action_2xx, _fsm_state_Terminated, tsip_dialog_message_Sending_2_Terminated_X_2xx, "tsip_dialog_message_Sending_2_Terminated_X_2xx"),
// Sending -> (401/407/421/494) -> Sending
TSK_FSM_ADD_ALWAYS(_fsm_state_Sending, _fsm_action_401_407_421_494, _fsm_state_Sending, tsip_dialog_message_Sending_2_Sending_X_401_407_421_494, "tsip_dialog_message_Sending_2_Sending_X_401_407_421_494"),
// Sending -> (300_to_699) -> Terminated
TSK_FSM_ADD_ALWAYS(_fsm_state_Sending, _fsm_action_300_to_699, _fsm_state_Terminated, tsip_dialog_message_Sending_2_Terminated_X_300_to_699, "tsip_dialog_message_Sending_2_Terminated_X_300_to_699"),
// Sending -> (cancel) -> Terminated
TSK_FSM_ADD_ALWAYS(_fsm_state_Sending, _fsm_action_cancel, _fsm_state_Terminated, tsip_dialog_message_Sending_2_Terminated_X_cancel, "tsip_dialog_message_Sending_2_Terminated_X_cancel"),
// Sending -> (shutdown) -> Terminated
TSK_FSM_ADD_ALWAYS(_fsm_state_Sending, _fsm_action_shutdown, _fsm_state_Terminated, tsk_null, "tsip_dialog_message_Sending_2_Terminated_X_shutdown"),
// Sending -> (Any) -> Sending
TSK_FSM_ADD_ALWAYS_NOTHING(_fsm_state_Sending, "tsip_dialog_message_Sending_2_Sending_X_any"),
/*=======================
* === Receiving ===
*/
// Receiving -> (accept) -> Terminated
TSK_FSM_ADD_ALWAYS(_fsm_state_Receiving, _fsm_action_accept, _fsm_state_Terminated, tsip_dialog_message_Receiving_2_Terminated_X_accept, "tsip_dialog_message_Receiving_2_Terminated_X_accept"),
// Receiving -> (rejected) -> Terminated
TSK_FSM_ADD_ALWAYS(_fsm_state_Receiving, _fsm_action_reject, _fsm_state_Terminated, tsip_dialog_message_Receiving_2_Terminated_X_reject, "tsip_dialog_message_Receiving_2_Terminated_X_reject"),
// Receiving -> (Any) -> Receiving
TSK_FSM_ADD_ALWAYS_NOTHING(_fsm_state_Receiving, "tsip_dialog_message_Receiving_2_Receiving_X_any"),
/*=======================
* === Any ===
*/
// Any -> (transport error) -> Terminated
TSK_FSM_ADD_ALWAYS(tsk_fsm_state_any, _fsm_action_transporterror, _fsm_state_Terminated, tsip_dialog_message_Any_2_Terminated_X_transportError, "tsip_dialog_message_Any_2_Terminated_X_transportError"),
// Any -> (transport error) -> Terminated
TSK_FSM_ADD_ALWAYS(tsk_fsm_state_any, _fsm_action_error, _fsm_state_Terminated, tsip_dialog_message_Any_2_Terminated_X_Error, "tsip_dialog_message_Any_2_Terminated_X_Error"),
TSK_FSM_ADD_NULL());
TSIP_DIALOG(self)->callback = TSIP_DIALOG_EVENT_CALLBACK_F(tsip_dialog_message_event_callback);
return 0;
}
// Started -> (oINVITE) -> Started
static int x0500_Current_2_Current_X_oINVITE(va_list *app)
{
int ret;
tsip_dialog_invite_t *self;
const tsip_action_t* action;
const tsip_message_t *message;
tmedia_type_t media_type;
self = va_arg(*app, tsip_dialog_invite_t *);
message = va_arg(*app, const tsip_message_t *);
action = va_arg(*app, const tsip_action_t *);
media_type = (action && action->media.type != tmedia_none) ? action->media.type : TSIP_DIALOG_GET_SS(self)->media.type;
self->is_client = tsk_true;
tsip_dialog_invite_ice_save_action(self, _fsm_action_oINVITE, action, message);
// create ICE context
if((ret = tsip_dialog_invite_ice_create_ctx(self, media_type))){
TSK_DEBUG_ERROR("tsip_dialog_invite_ice_create_ctx() failed");
return ret;
}
// Start ICE
ret = tsip_dialog_invite_ice_start_ctx(self);
// alert the user only if we are in initial state which means that it's not media update
if(TSIP_DIALOG(self)->state == tsip_initial){
TSIP_DIALOG_SIGNAL(self, tsip_event_code_dialog_connecting, "Dialog connecting");
}
return ret;
}
/** Timer manager callback.
*
* @param [in,out] self The owner of the signaled timer.
* @param timer_id The identifier of the signaled timer.
*
* @return Zero if succeed and non-zero error code otherwise.
**/
int tsip_dialog_subscribe_timer_callback(const tsip_dialog_subscribe_t* self, tsk_timer_id_t timer_id)
{
int ret = -1;
if(self)
{
if(timer_id == self->timerrefresh.id){
tsip_dialog_fsm_act(TSIP_DIALOG(self), _fsm_action_subscribe, tsk_null, tsk_null);
ret = 0;
}
else if(timer_id == self->timershutdown.id){
ret = tsip_dialog_fsm_act(TSIP_DIALOG(self), _fsm_action_shutdown_timedout, tsk_null, tsk_null);
}
}
return ret;
}
/* Started -> (sendOPTIONS) -> Sending
*/
int tsip_dialog_options_Started_2_Sending_X_sendOPTIONS(va_list *app)
{
tsip_dialog_options_t *self;
const tsip_action_t* action;
self = va_arg(*app, tsip_dialog_options_t *);
/*tsip_request_t *request =*/ va_arg(*app, tsip_request_t *);
action = va_arg(*app, const tsip_action_t *);
TSIP_DIALOG(self)->running = tsk_true;
tsip_dialog_set_curr_action(TSIP_DIALOG(self), action);
/* alert the user */
TSIP_DIALOG_SIGNAL(self, tsip_event_code_dialog_connecting, "Dialog connecting");
return send_OPTIONS(self);
}
static int tsip_dialog_invite_ice_callback(const tnet_ice_event_t *e)
{
int ret = 0;
tsip_dialog_invite_t *dialog;
TSK_DEBUG_INFO("ICE callback: %s", e->phrase);
dialog = tsk_object_ref(TSK_OBJECT(e->userdata));
// Do not lock: caller is thread safe
switch(e->type){
case tnet_ice_event_type_gathering_completed:
case tnet_ice_event_type_conncheck_succeed:
case tnet_ice_event_type_conncheck_failed:
case tnet_ice_event_type_cancelled:
{
if(dialog->ice.last_action_id != tsk_fsm_state_none){
if(tsip_dialog_invite_ice_got_local_candidates(dialog)){
tsip_dialog_fsm_act(TSIP_DIALOG(dialog), dialog->ice.last_action_id, dialog->ice.last_message, dialog->ice.last_action);
dialog->ice.last_action_id = tsk_fsm_state_none;
}
}
if(dialog->ice.start_smgr){
ret = tsip_dialog_invite_msession_start(dialog);
}
break;
}
// fatal errors which discard ICE process
case tnet_ice_event_type_gathering_host_candidates_failed:
case tnet_ice_event_type_gathering_reflexive_candidates_failed:
{
if(dialog->ice.last_action_id != tsk_fsm_state_none){
tsip_dialog_fsm_act(TSIP_DIALOG(dialog), dialog->ice.last_action_id, dialog->ice.last_message, dialog->ice.last_action);
dialog->ice.last_action_id = tsk_fsm_state_none;
}
break;
}
default: break;
}
TSK_OBJECT_SAFE_FREE(dialog);
return ret;
}
/* Outgoing -> (i2xx INVITE) -> Connected
*/
int c0000_Outgoing_2_Connected_X_i2xxINVITE(va_list *app)
{
int ret;
tsip_dialog_invite_t *self = va_arg(*app, tsip_dialog_invite_t *);
const tsip_response_t *r2xxINVITE = va_arg(*app, const tsip_response_t *);
/* const tsip_action_t* action = */ va_arg(*app, const tsip_action_t *);
/* Update the dialog state */
if((ret = tsip_dialog_update(TSIP_DIALOG(self), r2xxINVITE))){
return ret;
}
/* Process remote offer */
if((ret = tsip_dialog_invite_process_ro(self, r2xxINVITE))){
send_BYE(self);
return ret;
}
else{
/* send ACK */
ret = send_ACK(self, r2xxINVITE);
}
/* Determine whether the remote party support UPDATE */
self->support_update = tsip_message_allowed(r2xxINVITE, "UPDATE");
/* Session Timers */
if(self->stimers.timer.timeout){
tsip_dialog_invite_stimers_handle(self, r2xxINVITE);
}
// starts ICE timers now that both parties received the "candidates"
if(tsip_dialog_invite_ice_is_enabled(self)){
tsip_dialog_invite_ice_timers_set(self, (self->required.ice ? -1 : TSIP_DIALOG_INVITE_ICE_CONNCHECK_TIMEOUT));
}
/* Alert the user (session) */
ret = TSIP_DIALOG_INVITE_SIGNAL(self, tsip_ao_request,
TSIP_RESPONSE_CODE(r2xxINVITE), TSIP_RESPONSE_PHRASE(r2xxINVITE), r2xxINVITE);
/* Alert the user (dialog) */
ret = TSIP_DIALOG_SIGNAL(self, tsip_event_code_dialog_connected, "Dialog connected");
if(self->is_transf){
ret = tsip_dialog_invite_notify_parent(self, r2xxINVITE);
self->is_transf = tsk_false;//final response -> no longer need to notify the parent
}
/* MSRP File Transfer */
/*if(TSIP_DIALOG(self)->curr_action && ((TSIP_DIALOG(self)->curr_action->media.type & tmedia_msrp) == tmedia_msrp)){
// FIXME
tmedia_session_mgr_send_file(self->msession_mgr, "C:\\avatar.png",
TMEDIA_SESSION_SET_NULL());
}*/
return ret;
}
/* Started -> (sendMESSAGE) -> Sending
*/
int tsip_dialog_message_Started_2_Sending_X_sendMESSAGE(va_list *app)
{
tsip_dialog_message_t *self;
self = va_arg(*app, tsip_dialog_message_t *);
TSIP_DIALOG(self)->running = tsk_true;
return send_MESSAGE(self);
}
int tsip_dialog_options_event_callback(const tsip_dialog_options_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)){
if(TSIP_RESPONSE_IS_1XX(msg)){
ret = tsip_dialog_fsm_act(TSIP_DIALOG(self), _fsm_action_1xx, msg, tsk_null);
}
else if(TSIP_RESPONSE_IS_2XX(msg)){
ret = tsip_dialog_fsm_act(TSIP_DIALOG(self), _fsm_action_2xx, msg, tsk_null);
}
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, tsk_null);
}
else if(TSIP_RESPONSE_IS_3456(msg)){
ret = tsip_dialog_fsm_act(TSIP_DIALOG(self), _fsm_action_300_to_699, msg, tsk_null);
}
else{ /* should never happen */
ret = tsip_dialog_fsm_act(TSIP_DIALOG(self), _fsm_action_error, msg, tsk_null);
}
}
else if (TSIP_REQUEST_IS_OPTIONS(msg)){ /* have been checked by dialog layer...but */
// REQUEST ==> Incoming OPTIONS
ret = tsip_dialog_fsm_act(TSIP_DIALOG(self), _fsm_action_receiveOPTIONS, 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;
}
/** Initializes the dialog.
*
* @param [in,out] self The dialog to initialize.
**/
int tsip_dialog_register_init(tsip_dialog_register_t *self)
{
// Initialize client side
tsip_dialog_register_client_init(self);
// initialize server side
tsip_dialog_register_server_init(self);
/* Initialize common side */
tsk_fsm_set(TSIP_DIALOG_GET_FSM(self),
/*=======================
* === Any ===
*/
// Any -> (hangup) -> InProgress
TSK_FSM_ADD(tsk_fsm_state_any, _fsm_action_hangup, _fsm_cond_not_silent_hangup, _fsm_state_InProgress, tsip_dialog_register_Any_2_InProgress_X_hangup, "tsip_dialog_register_Any_2_InProgress_X_hangup"),
// Any -> (silenthangup) -> Terminated
TSK_FSM_ADD(tsk_fsm_state_any, _fsm_action_hangup, _fsm_cond_silent_hangup, _fsm_state_Terminated, tsk_null, "tsip_dialog_register_Any_2_InProgress_X_silenthangup"),
// Any -> (shutdown) -> InProgress
TSK_FSM_ADD(tsk_fsm_state_any, _fsm_action_shutdown, _fsm_cond_not_silent_shutdown, _fsm_state_InProgress, tsip_dialog_register_Any_2_InProgress_X_shutdown, "tsip_dialog_register_Any_2_InProgress_X_shutdown"),
// Any -> (silentshutdown) -> Terminated
TSK_FSM_ADD(tsk_fsm_state_any, _fsm_action_shutdown, _fsm_cond_silent_shutdown, _fsm_state_Terminated, tsk_null, "tsip_dialog_register_Any_2_InProgress_X_silentshutdown"),
// Any -> (shutdown timedout) -> Terminated
TSK_FSM_ADD_ALWAYS(tsk_fsm_state_any, _fsm_action_shutdown_timedout, _fsm_state_Terminated, tsk_null, "tsip_dialog_register_shutdown_timedout"),
// Any -> (transport error) -> Terminated
TSK_FSM_ADD_ALWAYS(tsk_fsm_state_any, _fsm_action_transporterror, _fsm_state_Terminated, tsip_dialog_register_Any_2_Terminated_X_transportError, "tsip_dialog_register_Any_2_Terminated_X_transportError"),
// Any -> (error) -> Terminated
TSK_FSM_ADD_ALWAYS(tsk_fsm_state_any, _fsm_action_error, _fsm_state_Terminated, tsip_dialog_register_Any_2_Terminated_X_Error, "tsip_dialog_register_Any_2_Terminated_X_Error"),
TSK_FSM_ADD_NULL());
/* Sets callback function */
TSIP_DIALOG(self)->callback = TSIP_DIALOG_EVENT_CALLBACK_F(tsip_dialog_register_event_callback);
/* Timers */
self->timerrefresh.id = TSK_INVALID_TIMER_ID;
self->timerrefresh.timeout = TSIP_DIALOG(self)->expires;
self->timershutdown.id = TSK_INVALID_TIMER_ID;
self->timershutdown.timeout = TSIP_DIALOG_SHUTDOWN_TIMEOUT;
return 0;
}
/* Started -> (SUBSCRIBE) -> Trying
*/
int tsip_dialog_subscribe_Started_2_Trying_X_subscribe(va_list *app)
{
tsip_dialog_subscribe_t *self;
self = va_arg(*app, tsip_dialog_subscribe_t *);
TSIP_DIALOG(self)->running = tsk_true;
/* alert the user */
TSIP_DIALOG_SIGNAL(self, tsip_event_code_dialog_connecting, "Dialog connecting");
return send_SUBSCRIBE(self);
}
// Current -> (oINVITE) -> Current
static int x0500_Current_2_Current_X_oINVITE(va_list *app)
{
int ret;
tsip_dialog_invite_t *self;
const tsip_action_t* action;
const tsip_message_t *message;
tmedia_type_t media_type;
static const tsk_bool_t __force_restart_is_yes = tsk_true;
self = va_arg(*app, tsip_dialog_invite_t *);
message = va_arg(*app, const tsip_message_t *);
action = va_arg(*app, const tsip_action_t *);
media_type = (action && action->media.type != tmedia_none) ? action->media.type : TSIP_DIALOG_GET_SS(self)->media.type;
self->is_client = tsk_true;
tsip_dialog_invite_ice_save_action(self, _fsm_action_oINVITE, action, message);
// Cancel without notifying ("silent mode") and perform the operation right now ("sync mode")
tsip_dialog_invite_ice_cancel_silent_and_sync_ctx(self);
// create ICE context
if((ret = tsip_dialog_invite_ice_create_ctx(self, media_type))){
TSK_DEBUG_ERROR("tsip_dialog_invite_ice_create_ctx() failed");
return ret;
}
// For now disable ICE timers until we receive the 2xx
ret = tsip_dialog_invite_ice_timers_set(self, -1);
// Start ICE
ret = tsip_dialog_invite_ice_start_ctx(self);
// alert the user only if we are in initial state which means that it's not media update
if(TSIP_DIALOG(self)->state == tsip_initial){
TSIP_DIALOG_SIGNAL(self, tsip_event_code_dialog_connecting, "Dialog connecting");
}
return ret;
}
/**
* @fn int tsip_dialog_register_event_callback(const tsip_dialog_register_t *self, tsip_dialog_event_type_t type,
* const tsip_message_t *msg)
*
* @brief 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_register_event_callback(const tsip_dialog_register_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)){
//
// 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_REGISTER(msg)){
ret = tsip_dialog_fsm_act(TSIP_DIALOG(self), _fsm_action_iREGISTER, 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;
}
default: break;
}
return ret;
}
static tsk_bool_t _fsm_cond_not_silent_hangup(tsip_dialog_register_t* dialog, tsip_message_t* message)
{
return !TSIP_DIALOG(dialog)->ss->silent_hangup;
}
/** Initializes the dialog.
*
* @param [in,out] self The dialog to initialize.
**/
int tsip_dialog_subscribe_init(tsip_dialog_subscribe_t *self)
{
/* Initialize the State Machine. */
tsk_fsm_set(TSIP_DIALOG_GET_FSM(self),
/*=======================
* === Started ===
*/
// Started -> (Send) -> Trying
TSK_FSM_ADD_ALWAYS(_fsm_state_Started, _fsm_action_subscribe, _fsm_state_Trying, tsip_dialog_subscribe_Started_2_Trying_X_subscribe, "tsip_dialog_subscribe_Started_2_Trying_X_subscribe"),
// Started -> (Any) -> Started
TSK_FSM_ADD_ALWAYS_NOTHING(_fsm_state_Started, "tsip_dialog_subscribe_Started_2_Started_X_any"),
/*=======================
* === Trying ===
*/
// Trying -> (1xx) -> Trying
TSK_FSM_ADD_ALWAYS(_fsm_state_Trying, _fsm_action_1xx, _fsm_state_Trying, tsip_dialog_subscribe_Trying_2_Trying_X_1xx, "tsip_dialog_subscribe_Trying_2_Trying_X_1xx"),
// Trying -> (2xx) -> Terminated
TSK_FSM_ADD(_fsm_state_Trying, _fsm_action_2xx, _fsm_cond_unsubscribing, _fsm_state_Terminated, tsip_dialog_subscribe_Trying_2_Terminated_X_2xx, "tsip_dialog_subscribe_Trying_2_Terminated_X_2xx"),
// Trying -> (2xx) -> Connected
TSK_FSM_ADD(_fsm_state_Trying, _fsm_action_2xx, _fsm_cond_subscribing, _fsm_state_Connected, tsip_dialog_subscribe_Trying_2_Connected_X_2xx, "tsip_dialog_subscribe_Trying_2_Connected_X_2xx"),
// Trying -> (401/407/421/494) -> Trying
TSK_FSM_ADD_ALWAYS(_fsm_state_Trying, _fsm_action_401_407_421_494, _fsm_state_Trying, tsip_dialog_subscribe_Trying_2_Trying_X_401_407_421_494, "tsip_dialog_subscribe_Trying_2_Trying_X_401_407_421_494"),
// Trying -> (423) -> Trying
TSK_FSM_ADD_ALWAYS(_fsm_state_Trying, _fsm_action_423, _fsm_state_Trying, tsip_dialog_subscribe_Trying_2_Trying_X_423, "tsip_dialog_subscribe_Trying_2_Trying_X_423"),
// Trying -> (300_to_699) -> Terminated
TSK_FSM_ADD_ALWAYS(_fsm_state_Trying, _fsm_action_300_to_699, _fsm_state_Terminated, tsip_dialog_subscribe_Trying_2_Terminated_X_300_to_699, "tsip_dialog_subscribe_Trying_2_Terminated_X_300_to_699"),
// Trying -> (cancel) -> Terminated
TSK_FSM_ADD_ALWAYS(_fsm_state_Trying, _fsm_action_cancel, _fsm_state_Terminated, tsip_dialog_subscribe_Trying_2_Terminated_X_cancel, "tsip_dialog_subscribe_Trying_2_Terminated_X_cancel"),
// Trying -> (Notify) -> Trying
TSK_FSM_ADD_ALWAYS(_fsm_state_Trying, _fsm_action_notify, _fsm_state_Trying, tsip_dialog_subscribe_Trying_2_Trying_X_NOTIFY, "tsip_dialog_subscribe_Trying_2_Trying_X_NOTIFY"),
// Trying -> (hangup) -> Terminated
TSK_FSM_ADD_ALWAYS(_fsm_state_Trying, _fsm_action_hangup, _fsm_state_Terminated, tsk_null, "tsip_dialog_subscribe_Trying_2_Terminated_X_hangup"),
// Trying -> (shutdown) -> Terminated
TSK_FSM_ADD_ALWAYS(_fsm_state_Trying, _fsm_action_shutdown, _fsm_state_Terminated, tsk_null, "tsip_dialog_subscribe_Trying_2_Terminated_X_shutdown"),
// Trying -> (Any) -> Trying
//TSK_FSM_ADD_ALWAYS_NOTHING(_fsm_state_Trying, "tsip_dialog_subscribe_Trying_2_Trying_X_any"),
/*=======================
* === Connected ===
*/
// Connected -> (SUBSCRIBE) -> Trying
TSK_FSM_ADD_ALWAYS(_fsm_state_Connected, _fsm_action_subscribe, _fsm_state_Trying, tsip_dialog_subscribe_Connected_2_Trying_X_subscribe, "tsip_dialog_subscribe_Connected_2_Trying_X_subscribe"),
// Connected -> (NOTIFY) -> Connected
TSK_FSM_ADD(_fsm_state_Connected, _fsm_action_notify, _fsm_cond_notify_not_terminated, _fsm_state_Connected, tsip_dialog_subscribe_Connected_2_Connected_X_NOTIFY, "tsip_dialog_subscribe_Connected_2_Connected_X_NOTIFY"),
// Connected -> (NOTIFY) -> Terminated
TSK_FSM_ADD(_fsm_state_Connected, _fsm_action_notify, _fsm_cond_notify_terminated, _fsm_state_Terminated, tsip_dialog_subscribe_Connected_2_Terminated_X_NOTIFY, "tsip_dialog_subscribe_Connected_2_Terminated_X_NOTIFY"),
/*=======================
* === Any ===
*/
// Any -> (hangup) -> Trying
TSK_FSM_ADD(tsk_fsm_state_any, _fsm_action_hangup, _fsm_cond_not_silent_hangup, _fsm_state_Trying, tsip_dialog_subscribe_Any_2_Trying_X_hangup, "tsip_dialog_subscribe_Any_2_Trying_X_hangup"),
// Any -> (silenthangup) -> Terminated
TSK_FSM_ADD(tsk_fsm_state_any, _fsm_action_hangup, _fsm_cond_silent_hangup, _fsm_state_Terminated, tsk_null, "tsip_dialog_subscribe_Any_2_Trying_X_silenthangup"),
// Any -> (shutdown) -> Trying
TSK_FSM_ADD(tsk_fsm_state_any, _fsm_action_shutdown, _fsm_cond_not_silent_shutdown, _fsm_state_Trying, tsip_dialog_subscribe_Any_2_Trying_X_shutdown, "tsip_dialog_subscribe_Any_2_Trying_X_shutdown"),
// Any -> (silentshutdown) -> Terminated
TSK_FSM_ADD(tsk_fsm_state_any, _fsm_action_shutdown, _fsm_cond_silent_shutdown, _fsm_state_Terminated, tsk_null, "tsip_dialog_subscribe_Any_2_Trying_X_silentshutdown"),
// Any -> (shutdown timedout) -> Terminated
TSK_FSM_ADD_ALWAYS(tsk_fsm_state_any, _fsm_action_shutdown_timedout, _fsm_state_Terminated, tsk_null, "tsip_dialog_subscribe_shutdown_timedout"),
// Any -> (transport error) -> Terminated
TSK_FSM_ADD_ALWAYS(tsk_fsm_state_any, _fsm_action_transporterror, _fsm_state_Terminated, tsip_dialog_subscribe_Any_2_Terminated_X_transportError, "tsip_dialog_subscribe_Any_2_Terminated_X_transportError"),
// Any -> (error) -> Terminated
TSK_FSM_ADD_ALWAYS(tsk_fsm_state_any, _fsm_action_error, _fsm_state_Terminated, tsip_dialog_subscribe_Any_2_Terminated_X_Error, "tsip_dialog_subscribe_Any_2_Terminated_X_Error"),
TSK_FSM_ADD_NULL());
/* Sets callback function */
TSIP_DIALOG(self)->callback = TSIP_DIALOG_EVENT_CALLBACK_F(tsip_dialog_subscribe_event_callback);
/* Timers */
self->timerrefresh.id = TSK_INVALID_TIMER_ID;
self->timerrefresh.timeout = TSIP_DIALOG(self)->expires;
self->timershutdown.id = TSK_INVALID_TIMER_ID;
self->timershutdown.timeout = TSIP_DIALOG_SHUTDOWN_TIMEOUT;
return 0;
}
static tsk_bool_t _fsm_cond_silent_hangup(tsip_dialog_subscribe_t* dialog, tsip_message_t* message)
{
return TSIP_DIALOG(dialog)->ss->silent_hangup;
}