533 lines
17 KiB
C
533 lines
17 KiB
C
/*
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* Copyright (C) 2009 Mamadou Diop.
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*
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* Contact: Mamadou Diop <diopmamadou(at)doubango.org>
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*
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* This file is part of Open Source Doubango Framework.
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*
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* DOUBANGO is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* DOUBANGO is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with DOUBANGO.
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*
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*/
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/**@file tsip_dialog_message.c
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* @brief SIP dialog message (Client side).
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*
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* @author Mamadou Diop <diopmamadou(at)doubango.org>
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*
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* @date Created: Sat Nov 8 16:54:58 2009 mdiop
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*/
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#include "tinysip/dialogs/tsip_dialog_message.h"
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#include "tinysip/parsers/tsip_parser_uri.h"
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#include "tinysip/api/tsip_api_message.h"
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#include "tinysip/headers/tsip_header_Dummy.h"
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#include "tinysip/headers/tsip_header_Min_Expires.h"
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#include "tinysip/transactions/tsip_transac_layer.h"
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#include "tsk_memory.h"
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#include "tsk_debug.h"
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#include "tsk_time.h"
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#define DEBUG_STATE_MACHINE 1
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#define TSIP_DIALOG_MESSAGE_SIGNAL(self, type, code, phrase, message) \
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tsip_message_event_signal(type, TSIP_DIALOG(self)->ss, code, phrase, message)
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/* ======================== internal functions ======================== */
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int send_MESSAGE(tsip_dialog_message_t *self);
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int tsip_dialog_message_OnTerminated(tsip_dialog_message_t *self);
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/* ======================== transitions ======================== */
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int tsip_dialog_message_Started_2_Sending_X_sendMESSAGE(va_list *app);
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int tsip_dialog_message_Started_2_Receiving_X_recvMESSAGE(va_list *app);
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int tsip_dialog_message_Sending_2_Sending_X_1xx(va_list *app);
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int tsip_dialog_message_Sending_2_Terminated_X_2xx(va_list *app);
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int tsip_dialog_message_Sending_2_Sending_X_401_407_421_494(va_list *app);
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int tsip_dialog_message_Sending_2_Terminated_X_300_to_699(va_list *app);
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int tsip_dialog_message_Sending_2_Terminated_X_cancel(va_list *app);
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int tsip_dialog_message_Receiving_2_Terminated_X_accept(va_list *app);
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int tsip_dialog_message_Receiving_2_Terminated_X_reject(va_list *app);
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int tsip_dialog_message_Any_2_Terminated_X_transportError(va_list *app);
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int tsip_dialog_message_Any_2_Terminated_X_Error(va_list *app);
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/* ======================== conds ======================== */
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/* ======================== actions ======================== */
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typedef enum _fsm_action_e
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{
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_fsm_action_sendMESSAGE = tsip_atype_message_send,
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_fsm_action_accept = tsip_atype_accept,
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_fsm_action_reject = tsip_atype_reject,
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_fsm_action_cancel = tsip_atype_cancel,
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_fsm_action_shutdown = tsip_atype_shutdown,
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_fsm_action_receiveMESSAGE = 0xFF,
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_fsm_action_1xx,
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_fsm_action_2xx,
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_fsm_action_401_407_421_494,
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_fsm_action_300_to_699,
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_fsm_action_transporterror,
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_fsm_action_error,
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}
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_fsm_action_t;
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/* ======================== states ======================== */
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typedef enum _fsm_state_e
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{
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_fsm_state_Started,
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_fsm_state_Sending,
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_fsm_state_Receiving,
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_fsm_state_Terminated
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}
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_fsm_state_t;
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int tsip_dialog_message_event_callback(const tsip_dialog_message_t *self, tsip_dialog_event_type_t type, const tsip_message_t *msg)
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{
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int ret = -1;
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switch(type)
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{
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case tsip_dialog_i_msg:
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{
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if(msg)
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{
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if(TSIP_MESSAGE_IS_RESPONSE(msg))
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{
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if(TSIP_RESPONSE_IS_1XX(msg)){
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ret = tsip_dialog_fsm_act(TSIP_DIALOG(self), _fsm_action_1xx, msg, tsk_null);
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}
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else if(TSIP_RESPONSE_IS_2XX(msg)){
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ret = tsip_dialog_fsm_act(TSIP_DIALOG(self), _fsm_action_2xx, msg, tsk_null);
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}
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else if(TSIP_RESPONSE_CODE(msg) == 401 || TSIP_RESPONSE_CODE(msg) == 407 || TSIP_RESPONSE_CODE(msg) == 421 || TSIP_RESPONSE_CODE(msg) == 494){
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ret = tsip_dialog_fsm_act(TSIP_DIALOG(self), _fsm_action_401_407_421_494, msg, tsk_null);
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}
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else if(TSIP_RESPONSE_IS_3456(msg)){
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ret = tsip_dialog_fsm_act(TSIP_DIALOG(self), _fsm_action_300_to_699, msg, tsk_null);
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}
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else{ /* Should never happen */
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ret = tsip_dialog_fsm_act(TSIP_DIALOG(self), _fsm_action_error, msg, tsk_null);
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}
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}
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else if (TSIP_REQUEST_IS_MESSAGE(msg)){ /* have been checked by dialog layer...but */
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// REQUEST ==> Incoming MESSAGE
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ret = tsip_dialog_fsm_act(TSIP_DIALOG(self), _fsm_action_receiveMESSAGE, msg, tsk_null);
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}
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}
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break;
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}
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case tsip_dialog_canceled:
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{
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ret = tsip_dialog_fsm_act(TSIP_DIALOG(self), _fsm_action_cancel, msg, tsk_null);
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break;
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}
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case tsip_dialog_terminated:
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case tsip_dialog_timedout:
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case tsip_dialog_error:
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case tsip_dialog_transport_error:
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{
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ret = tsip_dialog_fsm_act(TSIP_DIALOG(self), _fsm_action_transporterror, msg, tsk_null);
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break;
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}
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}
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return ret;
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}
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tsip_dialog_message_t* tsip_dialog_message_create(const tsip_ssession_handle_t* ss)
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{
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return tsk_object_new(tsip_dialog_message_def_t, ss);
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}
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int tsip_dialog_message_init(tsip_dialog_message_t *self)
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{
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//const tsk_param_t* param;
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/* Initialize the state machine. */
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tsk_fsm_set(TSIP_DIALOG_GET_FSM(self),
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/*=======================
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* === Started ===
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*/
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// Started -> (send) -> Sending
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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"),
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// Started -> (receive) -> Receiving
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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"),
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// Started -> (Any) -> Started
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TSK_FSM_ADD_ALWAYS_NOTHING(_fsm_state_Started, "tsip_dialog_message_Started_2_Started_X_any"),
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/*=======================
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* === Sending ===
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*/
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// Sending -> (1xx) -> Sending
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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"),
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// Sending -> (2xx) -> Terminated
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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"),
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// Sending -> (401/407/421/494) -> Sending
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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"),
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// Sending -> (300_to_699) -> Terminated
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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"),
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// Sending -> (cancel) -> Terminated
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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"),
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// Sending -> (Any) -> Sending
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TSK_FSM_ADD_ALWAYS_NOTHING(_fsm_state_Sending, "tsip_dialog_message_Sending_2_Sending_X_any"),
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/*=======================
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* === Receiving ===
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*/
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// Receiving -> (accept) -> Terminated
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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"),
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// Receiving -> (rejected) -> Terminated
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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"),
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// Receiving -> (Any) -> Receiving
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TSK_FSM_ADD_ALWAYS_NOTHING(_fsm_state_Receiving, "tsip_dialog_message_Receiving_2_Receiving_X_any"),
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/*=======================
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* === Any ===
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*/
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// Any -> (transport error) -> Terminated
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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"),
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// Any -> (transport error) -> Terminated
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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"),
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TSK_FSM_ADD_NULL());
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TSIP_DIALOG(self)->callback = TSIP_DIALOG_EVENT_CALLBACK_F(tsip_dialog_message_event_callback);
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return 0;
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}
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//--------------------------------------------------------
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// == STATE MACHINE BEGIN ==
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//--------------------------------------------------------
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/* Started -> (sendMESSAGE) -> Sending
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*/
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int tsip_dialog_message_Started_2_Sending_X_sendMESSAGE(va_list *app)
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{
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tsip_dialog_message_t *self;
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const tsip_action_t* action;
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self = va_arg(*app, tsip_dialog_message_t *);
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va_arg(*app, tsip_message_t *);
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action = va_arg(*app, const tsip_action_t *);
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TSIP_DIALOG(self)->running = tsk_true;
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tsip_dialog_set_curr_action(TSIP_DIALOG(self), action);
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return send_MESSAGE(self);
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}
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/* Started -> (recvMESSAGE) -> Receiving
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*/
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int tsip_dialog_message_Started_2_Receiving_X_recvMESSAGE(va_list *app)
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{
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tsip_dialog_message_t *self = va_arg(*app, tsip_dialog_message_t *);
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const tsip_request_t *request = va_arg(*app, const tsip_request_t *);
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/* Alert the user. */
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TSIP_DIALOG_MESSAGE_SIGNAL(self, tsip_i_message,
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tsip_event_code_request_incoming, "Incoming Request.", request);
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/* Update last incoming MESSAGE */
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TSK_OBJECT_SAFE_FREE(self->last_iMessage);
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self->last_iMessage = tsk_object_ref((void*)request);
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return 0;
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}
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/* Sending -> (1xx) -> Sending
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*/
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int tsip_dialog_message_Sending_2_Sending_X_1xx(va_list *app)
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{
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/*tsip_dialog_message_t *self = va_arg(*app, tsip_dialog_message_t *);*/
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/*const tsip_response_t *response = va_arg(*app, const tsip_response_t *);*/
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return 0;
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}
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/* Sending -> (2xx) -> Sending
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*/
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int tsip_dialog_message_Sending_2_Terminated_X_2xx(va_list *app)
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{
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tsip_dialog_message_t *self = va_arg(*app, tsip_dialog_message_t *);
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const tsip_response_t *response = va_arg(*app, const tsip_response_t *);
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/* Alert the user. */
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TSIP_DIALOG_MESSAGE_SIGNAL(self, tsip_ao_message,
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TSIP_RESPONSE_CODE(response), TSIP_RESPONSE_PHRASE(response), response);
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/* Reset curr action */
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tsip_dialog_set_curr_action(TSIP_DIALOG(self), tsk_null);
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return 0;
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}
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/* Sending -> (401/407/421/494) -> Sending
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*/
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int tsip_dialog_message_Sending_2_Sending_X_401_407_421_494(va_list *app)
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{
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/*tsip_dialog_message_t *self = va_arg(*app, tsip_dialog_message_t *);*/
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/*const tsip_response_t *response = va_arg(*app, const tsip_response_t *);*/
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return 0;
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}
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/* Sending -> (300 to 699) -> Terminated
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*/
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int tsip_dialog_message_Sending_2_Terminated_X_300_to_699(va_list *app)
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{
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tsip_dialog_message_t *self = va_arg(*app, tsip_dialog_message_t *);
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const tsip_response_t *response = va_arg(*app, const tsip_response_t *);
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/* Alert the user. */
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TSIP_DIALOG_MESSAGE_SIGNAL(self, tsip_ao_message,
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TSIP_RESPONSE_CODE(response), TSIP_RESPONSE_PHRASE(response), response);
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return 0;
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}
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/* Sending -> (cancel) -> Terminated
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*/
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int tsip_dialog_message_Sending_2_Terminated_X_cancel(va_list *app)
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{
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tsip_dialog_message_t *self = va_arg(*app, tsip_dialog_message_t *);
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/* const tsip_message_t *message = va_arg(*app, const tsip_message_t *); */
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/* Cancel all transactions associated to this dialog (will also be one when the dialog is destroyed (worth nothing)) */
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return tsip_transac_layer_cancel_by_dialog(TSIP_DIALOG_GET_STACK(self)->layer_transac, TSIP_DIALOG(self));
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}
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/* Receiving -> (accept) -> Terminated
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*/
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int tsip_dialog_message_Receiving_2_Terminated_X_accept(va_list *app)
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{
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tsip_dialog_message_t *self;
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const tsip_action_t* action;
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self = va_arg(*app, tsip_dialog_message_t *);
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va_arg(*app, tsip_message_t *);
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action = va_arg(*app, const tsip_action_t *);
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if(!self->last_iMessage){
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TSK_DEBUG_ERROR("There is non MESSAGE to accept()");
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/* Not an error ...but do not update current action */
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}
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else{
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tsip_response_t *response;
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int ret;
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/* curr_action is only used for outgoing requests */
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/* tsip_dialog_set_curr_action(TSIP_DIALOG(self), action); */
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/* send 200 OK */
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if((response = tsip_dialog_response_new(TSIP_DIALOG(self), 200, "MESSAGE OK", self->last_iMessage))){
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tsip_dialog_apply_action(response, action); /* apply action params to "this" response */
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if((ret = tsip_dialog_response_send(TSIP_DIALOG(self), response))){
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TSK_DEBUG_ERROR("Failed to send SIP response.");
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TSK_OBJECT_SAFE_FREE(response);
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return ret;
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}
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TSK_OBJECT_SAFE_FREE(response);
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}
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else{
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TSK_DEBUG_ERROR("Failed to create SIP response.");
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return -1;
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}
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}
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return 0;
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}
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/* Receiving -> (reject) -> Terminated
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*/
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int tsip_dialog_message_Receiving_2_Terminated_X_reject(va_list *app)
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{
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tsip_dialog_message_t *self;
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const tsip_action_t* action;
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self = va_arg(*app, tsip_dialog_message_t *);
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va_arg(*app, tsip_message_t *);
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action = va_arg(*app, const tsip_action_t *);
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if(!self->last_iMessage){
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TSK_DEBUG_ERROR("There is non MESSAGE to reject()");
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/* Not an error ...but do not update current action */
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}
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else{
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tsip_response_t *response;
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int ret;
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/* curr_action is only used for outgoing requests */
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/* tsip_dialog_set_curr_action(TSIP_DIALOG(self), action); */
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/* send 486 Rejected */
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if((response = tsip_dialog_response_new(TSIP_DIALOG(self), 486, "MESSAGE Rejected", self->last_iMessage))){
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tsip_dialog_apply_action(response, action); /* apply action params to "this" response */
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if((ret = tsip_dialog_response_send(TSIP_DIALOG(self), response))){
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TSK_DEBUG_ERROR("Failed to send SIP response.");
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TSK_OBJECT_SAFE_FREE(response);
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return ret;
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}
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TSK_OBJECT_SAFE_FREE(response);
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}
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else{
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TSK_DEBUG_ERROR("Failed to create SIP response.");
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return -1;
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}
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}
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return 0;
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}
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/* Any -> (transport error) -> Terminated
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*/
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int tsip_dialog_message_Any_2_Terminated_X_transportError(va_list *app)
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{
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/*tsip_dialog_message_t *self = va_arg(*app, tsip_dialog_message_t *);*/
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/*const tsip_message_t *message = va_arg(*app, const tsip_message_t *);*/
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return 0;
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}
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/* Any -> (error) -> Terminated
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*/
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int tsip_dialog_message_Any_2_Terminated_X_Error(va_list *app)
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{
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/*tsip_dialog_message_t *self = va_arg(*app, tsip_dialog_message_t *);*/
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/*const tsip_message_t *message = va_arg(*app, const tsip_message_t *);*/
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|
|
return 0;
|
|
}
|
|
|
|
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++
|
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// == STATE MACHINE END ==
|
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//++++++++++++++++++++++++++++++++++++++++++++++++++++++++
|
|
|
|
int send_MESSAGE(tsip_dialog_message_t *self)
|
|
{
|
|
tsip_request_t* request = tsk_null;
|
|
int ret = -1;
|
|
|
|
if(!self){
|
|
return -1;
|
|
}
|
|
|
|
if(!(request = tsip_dialog_request_new(TSIP_DIALOG(self), "MESSAGE"))){
|
|
return -2;
|
|
}
|
|
|
|
/* apply action params to the request */
|
|
if(TSIP_DIALOG(self)->curr_action){
|
|
tsip_dialog_apply_action(request, TSIP_DIALOG(self)->curr_action);
|
|
}
|
|
|
|
ret = tsip_dialog_request_send(TSIP_DIALOG(self), request);
|
|
TSK_OBJECT_SAFE_FREE(request);
|
|
|
|
return ret;
|
|
}
|
|
|
|
|
|
int tsip_dialog_message_OnTerminated(tsip_dialog_message_t *self)
|
|
{
|
|
TSK_DEBUG_INFO("=== MESSAGE Dialog terminated ===");
|
|
|
|
/* Alert the user */
|
|
TSIP_DIALOG_SIGNAL(self, tsip_event_dialog,
|
|
tsip_event_code_dialog_terminated, "Dialog terminated");
|
|
|
|
/* Remove from the dialog layer. */
|
|
return tsip_dialog_remove(TSIP_DIALOG(self));
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
//========================================================
|
|
// SIP dialog MESSAGE object definition
|
|
//
|
|
static tsk_object_t* tsip_dialog_message_ctor(tsk_object_t * self, va_list * app)
|
|
{
|
|
tsip_dialog_message_t *dialog = self;
|
|
if(dialog){
|
|
tsip_ssession_handle_t *ss = va_arg(*app, tsip_ssession_handle_t *);
|
|
|
|
/* Initialize base class */
|
|
tsip_dialog_init(TSIP_DIALOG(self), tsip_dialog_MESSAGE, tsk_null, ss, _fsm_state_Started, _fsm_state_Terminated);
|
|
|
|
/* FSM */
|
|
TSIP_DIALOG_GET_FSM(self)->debug = DEBUG_STATE_MACHINE;
|
|
tsk_fsm_set_callback_terminated(TSIP_DIALOG_GET_FSM(self), TSK_FSM_ONTERMINATED_F(tsip_dialog_message_OnTerminated), (const void*)dialog);
|
|
|
|
/* Initialize the class itself */
|
|
tsip_dialog_message_init(self);
|
|
}
|
|
return self;
|
|
}
|
|
|
|
static tsk_object_t* tsip_dialog_message_dtor(tsk_object_t * self)
|
|
{
|
|
tsip_dialog_message_t *dialog = self;
|
|
if(dialog){
|
|
/* DeInitialize base class (will cancel all transactions) */
|
|
tsip_dialog_deinit(TSIP_DIALOG(self));
|
|
|
|
/* DeInitialize self */
|
|
TSK_OBJECT_SAFE_FREE(dialog->last_iMessage);
|
|
|
|
TSK_DEBUG_INFO("*** MESSAGE Dialog destroyed ***");
|
|
}
|
|
return self;
|
|
}
|
|
|
|
static int tsip_dialog_message_cmp(const tsk_object_t *obj1, const tsk_object_t *obj2)
|
|
{
|
|
return tsip_dialog_cmp(obj1, obj2);
|
|
}
|
|
|
|
static const tsk_object_def_t tsip_dialog_message_def_s =
|
|
{
|
|
sizeof(tsip_dialog_message_t),
|
|
tsip_dialog_message_ctor,
|
|
tsip_dialog_message_dtor,
|
|
tsip_dialog_message_cmp,
|
|
};
|
|
const tsk_object_def_t *tsip_dialog_message_def_t = &tsip_dialog_message_def_s;
|