/*

 * Copyright (C) 2020, University of the Basque Country (UPV/EHU)

 * Contact for licensing options: <licensing-mcpttclient(at)mcopenplatform(dot)com>
 *
 * The original file was part of Open Source Doubango Framework
 * Copyright (C) 2010-2011 Mamadou Diop.
 * Copyright (C) 2012 Doubango Telecom <http://doubango.org>
 *
 * This file is part of Open Source Doubango Framework.
 *
 * DOUBANGO is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * DOUBANGO is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with DOUBANGO.
 *
 */
 
 /**@file tsip_dialog_invite.h
  * @brief SIP dialog INVITE.
  *
  * @author Mamadou Diop <diopmamadou(at)doubango[dot]org>
  *
 
  */
 #ifndef TINYSIP_DIALOG_INVITE_H
 #define TINYSIP_DIALOG_INVITE_H
 
 #include "tinysip_config.h"
 #include "tinysip/dialogs/tsip_dialog.h"
 
 #include "tinymedia/tmedia_session.h"
 
 
 TSIP_BEGIN_DECLS
 
 #define TSIP_DIALOG_INVITE(self)							((tsip_dialog_invite_t*)(self))
 
 typedef struct tsip_dialog_invite
 {
 	TSIP_DECLARE_DIALOG;
 	
 	tsk_bool_t support_update; /**< Indicates whether the remote party support UPDATE */
 	tsk_bool_t is_client;
 	tsk_bool_t is_transf;
 	tsk_bool_t refersub;
 	tsk_bool_t use_rtcp;
 	tsk_bool_t use_rtcpmux;

     tsk_bool_t answer_mode_auto;

     tsk_bool_t is_initial_iack_pending; // we're waiting for the initial incoming ACK (for the 200 OK) to ensure the session
     tsk_bool_t is_cancelling; // whether we're cancelling the outgoing INVITE
 	uint32_t rseq;
 	uint32_t cseq_out_media_update; // CSeq for the last media update request (INVITE or UPDATE).
 	
 	tsip_timer_t timershutdown;
 	tsip_timer_t timer100rel;
 
 	tsip_response_t* last_o1xxrel;
 	tsip_request_t* last_iInvite;
 	tsip_request_t* last_oInvite;
 	tsip_request_t* last_iRefer;
 	tmedia_session_mgr_t* msession_mgr; /**< Media session Manager */
 	
 	struct tsip_ssession_s* ss_transf;
 
 	/* ICE */
 	struct{
 		tmedia_type_t media_type;
 		tsk_bool_t is_jingle;
 		tsk_bool_t start_smgr;
 		struct tnet_ice_ctx_s *ctx_audio;
 		struct tnet_ice_ctx_s *ctx_video;
 		tsk_fsm_action_id last_action_id;
 		tsip_action_t* last_action;
 		tsip_message_t* last_message;
 		int32_t last_sdp_ro_ver;
 	} ice;
 	
 	/* Session Timers */
 	struct{
 		tsip_timer_t timer;
 		char* refresher;
 		uint64_t minse;
 		tsk_bool_t is_refresher;
 	} stimers;
 	/* QoS (Preconditions) */
 	struct{
 		tsip_timer_t timer;
 		enum tmedia_qos_stype_e type;
 		enum tmedia_qos_strength_e strength;
 	} qos;
 	/* Hold/Resume */
 	struct{
 		unsigned remote:1;
 		unsigned local:1;
 	} hold;
 
 	struct{
 		unsigned _100rel:1;
 		unsigned precondition:1;
 		unsigned timer:1;
 		unsigned norefersub:1;
 		unsigned ice:1;
 	} supported;
 
 	struct{
 		unsigned _100rel:1;
 		unsigned precondition:1;
 		unsigned timer:1;
 		unsigned norefersub;
 		unsigned ice:1;
 	} required;
 }
 tsip_dialog_invite_t;
 
 tsip_dialog_invite_t* tsip_dialog_invite_create(const tsip_ssession_handle_t* ss, const char* call_id);
 
 int tsip_dialog_invite_start(tsip_dialog_invite_t *self);
 
 TINYSIP_GEXTERN const tsk_object_def_t *tsip_dialog_invite_def_t;
 
 TSIP_END_DECLS
 
 #endif /* TINYSIP_DIALOG_INVITE_H */