/*
 * presence-op.h
 * Copyright (C) 2010-2017 Belledonne Communications SARL
 *
 * This program 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 2
 * of the License, or (at your option) any later version.
 *
 * This program 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 this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 */

#ifndef _SAL_PRESENCE_OP_H_
#define _SAL_PRESENCE_OP_H_

#include "sal/event-op.h"

LINPHONE_BEGIN_NAMESPACE

class SalPresenceOp: public SalSubscribeOp {
public:
	SalPresenceOp(Sal *sal): SalSubscribeOp(sal) {}

	int subscribe(const char *from, const char *to, int expires);
	int unsubscribe() {return SalOp::unsubscribe();}
	int notify_presence(SalPresenceModel *presence);
	int notify_presence_close();

private:
	virtual void fill_cbs() override;
	void handle_notify(belle_sip_request_t *req, belle_sip_dialog_t *dialog);
	SalPresenceModel * process_presence_notification(belle_sip_request_t *req);
	int check_dialog_state();
	belle_sip_request_t *create_presence_notify();
	void add_presence_info(belle_sip_message_t *notify, SalPresenceModel *presence);

	static SalSubscribeStatus belle_sip_message_get_subscription_state(const belle_sip_message_t *msg);

	static void presence_process_io_error_cb(void *user_ctx, const belle_sip_io_error_event_t *event);
	static void presence_response_event_cb(void *op_base, const belle_sip_response_event_t *event);
	static void presence_refresher_listener_cb(belle_sip_refresher_t* refresher, void* user_pointer, unsigned int status_code, const char* reason_phrase, int will_retry);
	static void presence_process_timeout_cb(void *user_ctx, const belle_sip_timeout_event_t *event);
	static void presence_process_transaction_terminated_cb(void *user_ctx, const belle_sip_transaction_terminated_event_t *event);
	static void presence_process_request_event_cb(void *op_base, const belle_sip_request_event_t *event);
	static void presence_process_dialog_terminated_cb(void *ctx, const belle_sip_dialog_terminated_event_t *event);
	static void _release_cb(SalOp *op_base);
};

LINPHONE_END_NAMESPACE

#endif // ifndef _SAL_PRESENCE_OP_H_