maki/openairinterface5g
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity
Files
0cdb95add1dfd1c02f367c54067f2a7b7cf53521
openairinterface5g/openair2/RRC/CELLULAR/rrc_ue_mbms_fsm.c
T
Cedric Roux 56c66c09aa - Fix: avoid infinite loop on mulitcast read thread if no data to read 
Pre-ci test passed

git-svn-id: http://svn.eurecom.fr/openair4G/trunk@4000 818b1a75-f10b-46b9-bf7c-635c3b92a50f
2013-06-25 09:05:02 +00:00

292 lines
10 KiB
C
Executable File
Raw Blame History

/***************************************************************************
rrc_ue_mbms_fsm.c - description
-------------------
begin : Jun 1, 2005
copyright : (C) 2005, 2010 by Eurecom
created by : Huu-Nghia.Nguyen@eurecom.fr
modified by : Michelle.Wetterwald@eurecom.fr
**************************************************************************
This file implements the state machine for UE side.
The code is created manually in the same manner as Esterel.
***************************************************************************/
/********************
//OpenAir definitions
********************/
#include "LAYER2/MAC/extern.h"
#include "UTIL/MEM/mem_block.h"
/********************
// RRC definitions
********************/
#include "rrc_ue_vars.h"
#include "rrc_mbms_pdus.h"
#include "rrc_msg_class.h"
#include "rrc_ue_mbms_variables.h"
//-----------------------------------------------------------------------------
#include "rrc_proto_mbms.h"
//-----------------------------------------------------------------------------
int stateAcquisition = ACQUI_START;
//-----------------------------------------------------------------------------
//INPUT
//condition for acquisition
mbms_bool I_CONTROLING_CELL_CHANGED;
mbms_bool I_RETURN_FROM_LOSS_COVERAGE;
mbms_bool I_ACTIVATED_SERVICE_CHANGED;
mbms_bool I_SELECTING_CELL_MBMS;
//determine if message arrive ?
mbms_bool I_MODIF_SERV_INFO;
mbms_bool I_MCCH_MODIF_SERV_INFO; //more detailed
mbms_bool I_ALL_UNMODIF_PTM_SERVICES;
mbms_bool I_UNMODIF_SERV_INFO;
mbms_bool I_COMMON_CELL_RB_INFO;
mbms_bool I_CURRENT_CELL_RB_INFO;
mbms_bool I_NEIGHBOURING_CELL_RB_INFO;
mbms_bool I_MODIF_PERIOD_ENDED;
//local signal
mbms_bool modifServInfoReceived = FALSE;
//int ptmServCount = 0; //value is in protocol_ms->rrc.mbms.activatedServicesList.numService
#ifdef DEBUG_UE_MBMS_FSM_TEST
mbms_bool O_NAS_MBMS_UE_NOTIFY_IND;
mbms_bool O_ANALYSE_UNMODIF;
mbms_bool O_CURRENT_CELL_RB_CONFIGURATION;
mbms_bool O_NEIGHBOURING_CELL_RB_CONFIGURATION;
mbms_bool O_MCCH_NOTIFICATION;
mbms_bool O_DCCH_NOTIFICATION;
#endif
//-----------------------------------------------------------------------------
void RRC_UE_MBMS_I_CONTROLING_CELL_CHANGED(void){
//-----------------------------------------------------------------------------
#ifdef DEBUG_UE_MBMS_FSM
msg("[RRC-UE][MBMS][FSM] input: I_CONTROLING_CELL_CHANGED\n");
#endif
I_CONTROLING_CELL_CHANGED = TRUE;
}
//-----------------------------------------------------------------------------
void RRC_UE_MBMS_I_RETURN_FROM_LOSS_COVERAGE(void){
//-----------------------------------------------------------------------------
#ifdef DEBUG_UE_MBMS_FSM
msg("[RRC-UE][MBMS][FSM] input: I_RETURN_FROM_LOSS_COVERAGE\n");
#endif
I_RETURN_FROM_LOSS_COVERAGE = TRUE;
}
//-----------------------------------------------------------------------------
void RRC_UE_MBMS_I_ACTIVATED_SERVICE_CHANGED(void){
//-----------------------------------------------------------------------------
#ifdef DEBUG_UE_MBMS_FSM
msg("[RRC-UE][MBMS][FSM] input: I_ACTIVATED_SERVICE_CHANGED\n");
#endif
I_ACTIVATED_SERVICE_CHANGED = TRUE;
}
//-----------------------------------------------------------------------------
void RRC_UE_MBMS_I_SELECTING_CELL_MBMS(void){
//-----------------------------------------------------------------------------
#ifdef DEBUG_UE_MBMS_FSM
msg("[RRC-UE][MBMS][FSM] input: I_SELECTING_CELL_MBMS\n");
#endif
I_SELECTING_CELL_MBMS = TRUE;
}
//-----------------------------------------------------------------------------
void RRC_UE_MBMS_I_MODIF_SERV_INFO(void){
//-----------------------------------------------------------------------------
#ifdef DEBUG_UE_MBMS_FSM
msg("[RRC-UE][MBMS][FSM] input: I_MODIF_SERV_INFO\n");
#endif
I_MODIF_SERV_INFO = TRUE;
modifServInfoReceived = TRUE;
}
//-----------------------------------------------------------------------------
void RRC_UE_MBMS_I_MCCH_MODIF_SERV_INFO(void){
//-----------------------------------------------------------------------------
RRC_UE_MBMS_I_MODIF_SERV_INFO();
#ifdef DEBUG_UE_MBMS_FSM
msg("[RRC-UE][MBMS][FSM] input: I_MCCH_MODIF_SERV_INFO\n");
#endif
I_MCCH_MODIF_SERV_INFO = TRUE;
}
//-----------------------------------------------------------------------------
void RRC_UE_MBMS_I_UNMODIF_SERV_INFO(void){
//-----------------------------------------------------------------------------
#ifdef DEBUG_UE_MBMS_FSM
msg("[RRC-UE][MBMS][FSM] input: I_UNMODIF_SERV_INFO\n");
#endif
I_UNMODIF_SERV_INFO = TRUE;
}
//-----------------------------------------------------------------------------
void RRC_UE_MBMS_I_COMMON_CELL_RB_INFO(void){
//-----------------------------------------------------------------------------
#ifdef DEBUG_UE_MBMS_FSM
msg("[RRC-UE][MBMS][FSM] input: I_COMMON_CELL_RB_INFO\n");
#endif
I_COMMON_CELL_RB_INFO = TRUE;
}
//-----------------------------------------------------------------------------
void RRC_UE_MBMS_I_CURRENT_CELL_RB_INFO(void){
//-----------------------------------------------------------------------------
#ifdef DEBUG_UE_MBMS_FSM
msg("[RRC-UE][MBMS][FSM] input: I_CURRENT_CELL_RB_INFO\n");
#endif
I_CURRENT_CELL_RB_INFO = TRUE;
}
//-----------------------------------------------------------------------------
void RRC_UE_MBMS_I_NEIGHBOURING_CELL_RB_INFO(void){
//-----------------------------------------------------------------------------
#ifdef DEBUG_UE_MBMS_FSM
msg("[RRC-UE][MBMS][FSM] input: I_NEIGHBOURING_CELL_RB_INFO\n");
#endif
I_NEIGHBOURING_CELL_RB_INFO = TRUE;
}
//-----------------------------------------------------------------------------
void RRC_UE_MBMS_I_MODIF_PERIOD_ENDED(void){
//-----------------------------------------------------------------------------
#ifdef DEBUG_UE_MBMS_FSM
msg("[RRC-UE][MBMS][FSM] input: I_MODIF_PERIOD_ENDED\n");
#endif
I_MODIF_PERIOD_ENDED = TRUE;
}
//-----------------------------------------------------------------------------
void RRC_UE_MBMS_I_ALL_UNMODIF_PTM_SERVICES(void){
//-----------------------------------------------------------------------------
#ifdef DEBUG_UE_MBMS_FSM
msg("[RRC-UE][MBMS][FSM] input: I_ALL_UNMODIF_PTM_SERVICES\n");
#endif
I_ALL_UNMODIF_PTM_SERVICES = TRUE;
}
/**
* @brief FSM for the RRC UE MBMS
* @date Jun 1, 2005 2:48:00 PM
*/
//-----------------------------------------------------------------------------
void rrc_ue_mbms_fsm(void){
//-----------------------------------------------------------------------------
// ptmServCount = p_ue_mbms->act_numService;
switch (stateAcquisition){
case ACQUI_START:
stateAcquisition = ACQUI_I_ACQUISITION;
#ifdef DEBUG_UE_MBMS_FSM
msg("[RRC-UE][MBMS][FSM] transition: START to I_ACQUISITION\n");
#endif
rrc_ue_mbms_fsm(); //Propagation
break;
case ACQUI_I_ACQUISITION:
if (I_CONTROLING_CELL_CHANGED || I_ACTIVATED_SERVICE_CHANGED ||
I_RETURN_FROM_LOSS_COVERAGE || I_SELECTING_CELL_MBMS){
#ifdef DEBUG_UE_MBMS_FSM
msg("[RRC-UE][MBMS][FSM] transition: I_ACQUISITION to WAIT_MBMS_MSG\n");
#endif
stateAcquisition = ACQUI_WAIT_MBMS_MSG;
I_MODIF_PERIOD_ENDED = FALSE;
rrc_ue_mbms_fsm(); //Propagation
}
break;
case ACQUI_WAIT_MBMS_MSG:
//Notification
if (I_MODIF_SERV_INFO){
if (I_MCCH_MODIF_SERV_INFO)
RRC_UE_MBMS_O_MCCH_NOTIFICATION();
else
RRC_UE_MBMS_O_DCCH_NOTIFICATION();
I_MCCH_MODIF_SERV_INFO = FALSE;
I_MODIF_SERV_INFO = FALSE;
}
if (I_ALL_UNMODIF_PTM_SERVICES && I_UNMODIF_SERV_INFO){
I_UNMODIF_SERV_INFO = FALSE;
RRC_UE_MBMS_O_ANALYSE_UNMODIF();
}
//RB configuration
// if (ptmServCount > 0 && I_COMMON_CELL_RB_INFO && I_CURRENT_CELL_RB_INFO)
if (I_COMMON_CELL_RB_INFO && I_CURRENT_CELL_RB_INFO){
RRC_UE_MBMS_O_CURRENT_CELL_RB_CONFIGURATION();
I_COMMON_CELL_RB_INFO = FALSE;
I_CURRENT_CELL_RB_INFO = FALSE;
}
// if (ptmServCount > 0 && I_NEIGHBOURING_CELL_RB_INFO)
if (I_NEIGHBOURING_CELL_RB_INFO){
RRC_UE_MBMS_O_NEIGHBOURING_CELL_RB_CONFIGURATION();
I_NEIGHBOURING_CELL_RB_INFO = FALSE;
}
//End of modification period?
if (I_MODIF_PERIOD_ENDED){
//This is an adaptation for OAI, we don't return to the initial state as specififed in TS 25.331
//Because, at this moment, the primitive NAS for UE is not specified yet
#if 0
if (modifServInfoReceived){
#ifdef DEBUG_UE_MBMS_FSM
msg("[RRC-UE][MBMS][FSM] transition: WAIT_MBMS_MSG to I_ACQUISITION\n");
#endif
stateAcquisition = ACQUI_I_ACQUISITION;
modifServInfoReceived = FALSE;
I_ACTIVATED_SERVICE_CHANGED = FALSE;
I_CONTROLING_CELL_CHANGED = FALSE;
I_RETURN_FROM_LOSS_COVERAGE = FALSE;
I_SELECTING_CELL_MBMS = FALSE;
}
#endif
// else stay in this state!
I_MODIF_PERIOD_ENDED = FALSE;
I_MODIF_SERV_INFO = FALSE;
I_UNMODIF_SERV_INFO = FALSE;
I_COMMON_CELL_RB_INFO = FALSE;
I_CURRENT_CELL_RB_INFO = FALSE;
I_ALL_UNMODIF_PTM_SERVICES = FALSE;
}
break;
}
}
/**
* @brief Reset the FSM.
* @date Jun 1, 2005 2:48:16 PM
* @warning must be called some where in the rrc_ue_mbms_init function
*/
//-----------------------------------------------------------------------------
void rrc_ue_mbms_fsm_reset(void){
//-----------------------------------------------------------------------------
stateAcquisition = ACQUI_START;
//condition for acquisition
I_ACTIVATED_SERVICE_CHANGED = TRUE;
I_CONTROLING_CELL_CHANGED = FALSE;
I_RETURN_FROM_LOSS_COVERAGE = FALSE;
I_SELECTING_CELL_MBMS = FALSE;
//variables determining if messages arrive
I_MODIF_SERV_INFO = FALSE;
I_UNMODIF_SERV_INFO = FALSE;
I_COMMON_CELL_RB_INFO = FALSE;
I_CURRENT_CELL_RB_INFO = FALSE;
I_NEIGHBOURING_CELL_RB_INFO = FALSE;
I_MODIF_PERIOD_ENDED = FALSE;
#ifdef DEBUG_UE_MBMS_FSM_TEST
O_NAS_MBMS_UE_NOTIFY_IND = FALSE;
O_ANALYSE_UNMODIF = FALSE;
O_CURRENT_CELL_RB_CONFIGURATION = FALSE;
O_NEIGHBOURING_CELL_RB_CONFIGURATION = FALSE;
O_MCCH_NOTIFICATION = FALSE;
O_DCCH_NOTIFICATION = FALSE;
#endif
modifServInfoReceived = FALSE;
}
Reference in New Issue View Git Blame Copy Permalink