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/*
The oSIP library implements the Session Initiation Protocol (SIP -rfc3261-)
Copyright (C) 2001,2002,2003 Aymeric MOIZARD jack@atosc.org
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _FSM_H_
#define _FSM_H_
#include <osip/smsg.h>
#include <osip/osip.h>
/* This is for internal use only. */
type_t evt_settype_incoming_sipmessage (sip_t * sip);
type_t evt_settype_outgoing_sipmessage (sip_t * sip);
/* send a request on UDP. */
int udp_send_request (sip_t * request, url_t * proxy);
/* send a response on UDP. */
int udp_send_response (sip_t * response);
void ict_load_fsm ();
void ist_load_fsm ();
void nict_load_fsm ();
void nist_load_fsm ();
void ict_unload_fsm ();
void ist_unload_fsm ();
void nict_unload_fsm ();
void nist_unload_fsm ();
/* load state machine structure for (UAC || UAS) for (INVITE || REQUEST) */
statemachine_t *ict_get_fsm ();
statemachine_t *ist_get_fsm ();
statemachine_t *nict_get_fsm ();
statemachine_t *nist_get_fsm ();
typedef struct _transition_t
{
state_t state;
type_t type;
void (*method) (void *, void *);
}
transition_t;
int fsm_callmethod (type_t type, state_t state,
statemachine_t * statemachine,
void *sipevent, void *transaction);
/*!! THESE ARE FOR INTERNAL USE ONLY!! */
/* These methods are the "exection method" for the finite */
/* state machine. */
/************************/
/* FSM ---- > ICT */
/************************/
void ict_snd_invite (transaction_t * ict, sipevent_t * evt);
void ict_timeout_a_event (transaction_t * ict, sipevent_t * evt);
void ict_timeout_b_event (transaction_t * ict, sipevent_t * evt);
void ict_timeout_d_event (transaction_t * ict, sipevent_t * evt);
void ict_rcv_1xx (transaction_t * ict, sipevent_t * evt);
void ict_rcv_2xx (transaction_t * ict, sipevent_t * evt);
sip_t *ict_create_ack (transaction_t * ict, sip_t * response);
void ict_rcv_3456xx (transaction_t * ict, sipevent_t * evt);
void ict_retransmit_ack (transaction_t * ict, sipevent_t * evt);
/************************/
/* FSM ---- > IST */
/************************/
sip_t *ist_create_resp_100 (transaction_t * ist, sip_t * request);
void ist_rcv_invite (transaction_t * ist, sipevent_t * evt);
void ist_timeout_g_event (transaction_t * ist, sipevent_t * evt);
void ist_timeout_h_event (transaction_t * ist, sipevent_t * evt);
void ist_timeout_i_event (transaction_t * ist, sipevent_t * evt);
void ist_snd_1xx (transaction_t * ist, sipevent_t * evt);
void ist_snd_2xx (transaction_t * ist, sipevent_t * evt);
void ist_snd_3456xx (transaction_t * ist, sipevent_t * evt);
void ist_rcv_ack (transaction_t * ist, sipevent_t * evt);
/***********************/
/* FSM ---- > NICT */
/***********************/
void nict_snd_request (transaction_t * nict, sipevent_t * evt);
void nict_timeout_e_event (transaction_t * nict, sipevent_t * evt);
void nict_timeout_f_event (transaction_t * nict, sipevent_t * evt);
void nict_timeout_k_event (transaction_t * nict, sipevent_t * evt);
void nict_rcv_1xx (transaction_t * nict, sipevent_t * evt);
void nict_rcv_23456xx (transaction_t * nict, sipevent_t * evt);
/* void nict_rcv_23456xx2(transaction_t *nict, sipevent_t *evt); */
/************************/
/* FSM ---- > NIST */
/************************/
void nist_rcv_request (transaction_t * nist, sipevent_t * evt);
void nist_snd_1xx (transaction_t * nist, sipevent_t * evt);
void nist_snd_23456xx (transaction_t * nist, sipevent_t * evt);
void nist_timeout_j_event (transaction_t * nist, sipevent_t * evt);
#endif
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