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08bd55cbca0168e2e7ec242685f2e850c48c4e76
openairinterface5g/openair2/RRC/CELLULAR/rrc_rg_mbms_process.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

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/***************************************************************************
rrc_rg_mbms_process.c - description
-------------------
begin : May 30, 2005
copyright : (C) 2005, 2010 by Eurecom
created by : Huu-Nghia.Nguyen@eurecom.fr
modified by : Michelle.Wetterwald@eurecom.fr
**************************************************************************
This file contains the MBMS procedures for RG
**************************************************************************/
/********************
//OpenAir definitions
********************/
#include "LAYER2/MAC/extern.h"
#include "UTIL/MEM/mem_block.h"
/********************
// RRC definitions
********************/
#include "rrc_rg_vars.h"
#include "rrc_mbms_pdus.h"
#include "rrc_msg_class.h"
#include "rrc_rg_mbms_variables.h"
//-----------------------------------------------------------------------------
#include "rrc_proto_mbms.h"
extern rrc_rg_mbms_variables * volatile p_rg_mbms; /** pointer reference to protocol_bs->rrc.mbms */
/**
* @brief Initialize the RG side mbms variables, fixed value in this phase
* @date May 27, 2005 6:44:53 PM
*/
//-----------------------------------------------------------------------------
void rrc_rg_mbms_init(void){
//-----------------------------------------------------------------------------
#ifdef ALLOW_MBMS_PROTOCOL
int i;
#ifdef DEBUG_RRC_STATE
msg("[RRC-RG][MBMS] START OF MBMS INITIALISATION.......................\n");
#endif
//Reference:
p_rg_mbms = &protocol_bs->rrc.mbms;
//Empty all the control buffer
memset(p_rg_mbms, 0, sizeof(rrc_rg_mbms_variables));
//Init variables:
p_rg_mbms->ptm_config_transaction_id = MBMS_MIN_TRANSACTION_ID;
/***************************************/
//Init the configuration for MBMS
//Access Information message - None at initialization
p_rg_mbms->acc_numAccessInfo = 0;
//General Information message
p_rg_mbms->gen_t_318 = ms1000; //default = 1000
//p_rg_mbms->gen_cellGroupIdentity = 1<<11; //should be 12 bits only
p_rg_mbms->gen_cellGroupIdentity = MBMS_DEFAULT_CGID;
//RB information - MW RAZ already done above
#ifdef MBMS_TEST_MODE // only for test mode
strcpy((char*)&(p_rg_mbms->comm_l12Config_data), "ZZZ - This is Common L1L2 PTM Configuration\0");
p_rg_mbms->comm_l12Config_lgth = sizeof ("ZZZ - This is Common L1L2 PTM Configuration\0");
strcpy((char*)&(p_rg_mbms->curr_l12Config_data), "AAA - This is Current L1L2 PTM Configuration\0");
p_rg_mbms->curr_l12Config_lgth = sizeof ("AAA - This is Current L1L2 PTM Configuration\0");
#endif
//sched
p_rg_mbms->accessInfoPeriodCoef = ACCESS_PERIOD_COEF_DEFAULT;
p_rg_mbms->repetitionPeriodCoef = REPETITION_PERIOD_COEF_DEFAULT;
p_rg_mbms->modifPeriodCoef = MODIF_PERIOD_COEF_DEFAULT;
p_rg_mbms->schedPeriodCoef = SCHED_PERIOD_COEF_DEFAULT;
// MW : these variables are FFS in Modified Services message - temp initialisation here
p_rg_mbms->mod_reacquireMCCH = TRUE;
p_rg_mbms->mod_numberOfNeighbourCells = 0;
p_rg_mbms->mod_ptm_activationTime = 0;
// p_rg_mbms->mod_endOfModifiedMCCHInformation = 5;
// Currently, no neighbouring cell is supported
p_rg_mbms->neighb_cellCount = 0;
/*
memset(p_rg_mbms->neighb_cellConfList[0],0, MBMS_NEIGHBOURING_CONFIGURATION_SIZE);
strcpy(p_rg_mbms->neighb_cellConfList[0], "NeighbConf123456789012345678901\0");
p_rg_mbms->neighb_cellIDList[0] = 6;
memcpy(p_rg_mbms->neighb_cellConfList[1], data3, MBMS_NEIGHBOURING_CONFIGURATION_SIZE);
p_rg_mbms->neighb_cellIDList[1] = 5;
memcpy(p_rg_mbms->neighb_cellConfList[2], data3, MBMS_NEIGHBOURING_CONFIGURATION_SIZE);
p_rg_mbms->neighb_cellIDList[2] = 4;
*/
rrc_rg_mbms_MCCH_encode(MCCH_mbmsModifiedServicesInformation);
rrc_rg_mbms_message_update(&p_rg_mbms->messageModif);
rrc_rg_mbms_MCCH_encode(MCCH_mbmsUnmodifiedServicesInformation);
rrc_rg_mbms_message_update(&p_rg_mbms->messageUnmodif);
rrc_rg_mbms_MCCH_encode(MCCH_mbmsGeneralInformation);
rrc_rg_mbms_message_update(&p_rg_mbms->messageGeneral);
/*
rrc_rg_mbms_MCCH_encode(MCCH_mbmsCommonPTMRBInformation);
rrc_rg_mbms_message_update(&p_rg_mbms->messageCommon);
rrc_rg_mbms_MCCH_encode(MCCH_mbmsCurrentCellPTMRBInformation);
rrc_rg_mbms_message_update(&p_rg_mbms->messageCurrent);
*/
for (i = 0; i<p_rg_mbms->neighb_cellCount; i++){
p_rg_mbms->neighb_index = i; //Create the message for the ith neighbour
rrc_rg_mbms_MCCH_encode(MCCH_mbmsNeighbouringCellPTMRBInformation);
rrc_rg_mbms_message_update(&p_rg_mbms->messageNeighbouring[i]);
}
p_rg_mbms->msgToSend_ptr = NULL;
p_rg_mbms->msgToSend_type = 0;
#ifdef DEBUG_RRC_STATE
msg("[RRC-RG][MBMS] END OF MBMS INITIALISATION\n\n");
#endif
#endif
}
/**
* @brief Used to schedule the order of MBMS messages as specified in TS 25.331#8.7.1
* @date May 20, 2005 11:32:58 AM
* return the index of the message in the message info list
*/
//-----------------------------------------------------------------------------
int rrc_rg_mbms_MCCH_next_message(void){
//-----------------------------------------------------------------------------
switch(p_rg_mbms->msgToSend_type){
case 0:
p_rg_mbms->msgToSend_type = MCCH_mbmsModifiedServicesInformation;
p_rg_mbms->msgToSend_ptr = & p_rg_mbms->messageModif;
break;
case MCCH_mbmsModifiedServicesInformation:
p_rg_mbms->msgToSend_type = MCCH_mbmsUnmodifiedServicesInformation;
p_rg_mbms->msgToSend_ptr = & p_rg_mbms->messageUnmodif;
break;
case MCCH_mbmsUnmodifiedServicesInformation:
p_rg_mbms->msgToSend_type = MCCH_mbmsGeneralInformation;
p_rg_mbms->msgToSend_ptr = & p_rg_mbms->messageGeneral;
break;
case MCCH_mbmsGeneralInformation:
if (p_rg_mbms->allowCellRBInfo){
p_rg_mbms->msgToSend_type = MCCH_mbmsCommonPTMRBInformation;
p_rg_mbms->msgToSend_ptr = & p_rg_mbms->messageCommon;
break;
}
//else, we ignore the common/current RB info, and send neigbouring cell RB Info. No break
case MCCH_mbmsCommonPTMRBInformation:
if (p_rg_mbms->allowCellRBInfo){
p_rg_mbms->msgToSend_type = MCCH_mbmsCurrentCellPTMRBInformation;
p_rg_mbms->msgToSend_ptr = & p_rg_mbms->messageCurrent;
break;
}
//else, we ignore the current RB info, and send neigbouring cell RB Info. No break
case MCCH_mbmsCurrentCellPTMRBInformation:
p_rg_mbms->msgToSend_type = MCCH_mbmsNeighbouringCellPTMRBInformation;
p_rg_mbms->msgToSend_neigbIndex = 0;
//Don't break, we will transfer neighbouring cell info
case MCCH_mbmsNeighbouringCellPTMRBInformation:
if (p_rg_mbms->msgToSend_neigbIndex < p_rg_mbms->neighb_cellCount)
p_rg_mbms->msgToSend_ptr = & p_rg_mbms->messageNeighbouring[p_rg_mbms->msgToSend_neigbIndex++];
else{
p_rg_mbms->msgToSend_type = -1;
p_rg_mbms->msgToSend_ptr = NULL; //All messages have been sent
}
break;
default:
p_rg_mbms->msgToSend_type = -1;
}
return p_rg_mbms->msgToSend_type;
}
/**
* @brief This function get the next mcch message, of which the order is specified
* by TS 25.331, and send it on the MCCH. Temporary use of tx_simulate to send messages.
* @warning In the future, must be coded for using MCCH chanel.
* @date May 27, 2005 6:43:36 PM
*/
//-----------------------------------------------------------------------------
void rrc_rg_mbms_MCCH_tx(void) {
//-----------------------------------------------------------------------------
#ifdef ALLOW_MBMS_PROTOCOL
int msgType;
//Determine the message to transmit, Access info will be sent on its proper period
if (p_rg_mbms->messageAccess.msg_length > 0){
//Temporary, we send the message on SRB3
RRC_RG_MBMS_O_SEND_MCCH(p_rg_mbms->messageAccess.msg_ptr, p_rg_mbms->messageAccess.msg_length);
rrc_rg_mbms_message_reset(&p_rg_mbms->messageAccess);
}else{
//not a MBMSAccessInformation message.
msgType = rrc_rg_mbms_MCCH_next_message();
if (msgType >= 0 && p_rg_mbms->msgToSend_ptr != NULL && p_rg_mbms->msgToSend_ptr->msg_length > 0){
//transmission on MCCH - Temporary, we use SRB3
RRC_RG_MBMS_O_SEND_MCCH(p_rg_mbms->msgToSend_ptr->msg_ptr, p_rg_mbms->msgToSend_ptr->msg_length);
}
}
#endif
}
/**
* @brief Send the notification on DCCH if possible (having a notification message)
* Temporary use tx_simulate, will use UM DCCH (sRB 1) to send message
* @date May 31, 2005 9:28:14 AM
*/
//-----------------------------------------------------------------------------
void rrc_rg_mbms_DCCH_tx(int ueID){
//-----------------------------------------------------------------------------
#ifdef ALLOW_MBMS_PROTOCOL
rrc_rg_mbms_message_reset(&p_rg_mbms->messageNotification);
rrc_rg_mbms_DCCH_encode(DL_DCCH_mbmsModifiedServicesInformation);
rrc_rg_mbms_message_update(&p_rg_mbms->messageNotification);
if (p_rg_mbms->messageNotification.msg_length > 0){
//Use DCCH-UM.
RRC_RG_MBMS_O_SEND_DCCH_UM(ueID, p_rg_mbms->messageNotification.msg_ptr, p_rg_mbms->messageNotification.msg_length);
p_rg_mbms->messageNotification.sent = TRUE;
}
#endif
}
/**
* @brief Send the scheduling info message if possible
* @date May 31, 2005 9:28:47 AM
*/
//-----------------------------------------------------------------------------
void rrc_rg_mbms_MSCH_tx(void){
//-----------------------------------------------------------------------------
#ifdef ALLOW_MBMS_PROTOCOL
if (!p_rg_mbms->messageScheduling.sent && p_rg_mbms->messageScheduling.msg_length > 0){
RRC_RG_MBMS_O_SEND_MSCH(p_rg_mbms->messageScheduling.msg_ptr, p_rg_mbms->messageScheduling.msg_length);
p_rg_mbms->messageScheduling.sent = TRUE;
}
#endif
}
//-----------------------------------------------------------------------------
void rrc_rg_mbms_transfer_stable_services(void){
//-----------------------------------------------------------------------------
int i;
u8 umod_requiredAction;
int count;
//Debug Information
#ifdef DEBUG_RRC_MBMS
msg("[RRC-RG][MBMS] Transferring mbms services (in steady state) from ModifiedServiceInformation");
msg(" to UnmodifiedServiceInformation...\n");
#endif
//Transfer code
count = 0;
for (i = 0; i<p_rg_mbms->buff_mod_numService; i++){
//if stable: --> transfer to umod
//how is stable??? here, i means there is no more actions/changes on this service for a mdification period
if ( p_rg_mbms->buff_mod_changed[i] == FALSE ){ //i<p_rg_mbms->mod_numService && p_rg_mbms->buff_mod_requiredUEAction[i] == p_rg_mbms->mod_requiredUEAction[i])
//mapping the action: convert mod_requiredUEAction --> umod_requiredUEAction: We can use a map table for optimisation.
switch (p_rg_mbms->buff_mod_requiredUEAction[i]){
case Mod_acquirePTM_RBInfo:
umod_requiredAction = UMod_acquirePTM_RBInfo;
//append Unmodified service, mark the flag to recreate the Unmodified message if neccessary
p_rg_mbms->flags.unmodifiedServicesInformation |= rrc_rg_mbms_addUnmodifService(-1, p_rg_mbms->buff_mod_serviceIdentity[i], umod_requiredAction);
#ifdef DEBUG_RRC_MBMS_BASIC
msg("[RRC-RG][MBMS] Service %d was transferred from Modified service to Unmodified service\n", p_rg_mbms->buff_mod_serviceIdentity[i]);
#endif
break;
case Mod_releasePTM_RB:
#ifdef DEBUG_RRC_MBMS_BASIC
msg("[RRC-RG][MBMS] Service %d with action = 'release PTM RB' was removed from Modified service\n", p_rg_mbms->buff_mod_serviceIdentity[i]);
#endif
//Do nothing == don't copy to mod_xxx <--> remove action
case Mod_none:
default:
//Do not store the service with action != acquire...
break;
}
}else{ //not stable --> update to mod / will affect the Modified Service Information message.
p_rg_mbms->mod_requiredUEAction[count] = p_rg_mbms->buff_mod_requiredUEAction[i];
memcpy(&p_rg_mbms->mod_serviceIdentity[count ++ ], &p_rg_mbms->buff_mod_serviceIdentity[i], sizeof(o3));
}
}
#ifdef DEBUG_RRC_MBMS
if (count == p_rg_mbms->buff_mod_numService)
msg("[RRC-RG][MBMS] There's no modified service in steady state, nothing is transferred\n");
#endif
//Finalisation
p_rg_mbms->mod_numService = count;
if (count < p_rg_mbms->buff_mod_numService){ //<-- something was transferred
//Indentique the buffer and the current content:
p_rg_mbms->buff_mod_numService = count;
memcpy(&p_rg_mbms->buff_mod_requiredUEAction, &p_rg_mbms->mod_requiredUEAction, count * sizeof(u8));
memcpy(&p_rg_mbms->buff_mod_serviceIdentity, &p_rg_mbms->mod_serviceIdentity, count * sizeof(o3));
//Set the flag to recreate the Modified Service Info message.
p_rg_mbms->flags.modifiedServicesInformation = TRUE; //Added opn 21/08/2005
}
//All services in the list may be stable/transferred on the next modification period.
memset(p_rg_mbms->buff_mod_changed, 0, count * sizeof(mbms_bool));
//Debug information
#ifdef DEBUG_RRC_MBMS
msg("[RRC-RG][MBMS] Transfer completed!\n");
#endif
}
/**
* @brief We must call this function before increasing the variable frame.
* @date Aug 25, 2005 2:31:34 PM
*/
//-----------------------------------------------------------------------------
void rrc_rg_mbms_end_modification_period_check(void){
//-----------------------------------------------------------------------------
#ifdef ALLOW_MBMS_PROTOCOL
if ((protocol_bs->rrc.current_SFN+1) % (1 << p_rg_mbms->modifPeriodCoef) == 0) //End of modification period.
if (p_rg_mbms->l12ConfigurationChanged)
RRC_RG_MBMS_O_L12_CONFIGURE();
#endif
}
/**
* @brief Called by rrc_rg_mbms_advance_time whenever it determines a new modification period.
* Used to create a list of messages for sending during this new modification period.
* @date May 31, 2005 4:52:48 PM
* @see rrc_rg_mbms_advance_time()
*/
//-----------------------------------------------------------------------------
void rrc_rg_mbms_activate_modification_period(void){
//-----------------------------------------------------------------------------
int i;
#ifdef DEBUG_RRC_MBMS
msg("\033[31m\n**************************************************\033[0m\n");
msg("[RRC-RG][MBMS] START A NEW MODIFICATION PERIOD\n");
#endif
p_rg_mbms->msgToSend_type = 0; //Restart the counter on MCCH
p_rg_mbms->msgToSend_ptr = NULL;
p_rg_mbms->msgToSend_neigbIndex = 0;
p_rg_mbms->messageNotification.sent = FALSE; //restart the flag to enable the notification
//Allow to recreate the MBMS PTM RB Information messages if the configuration has been changed.
p_rg_mbms->flags.commonPTMRBInformation = p_rg_mbms->l12ConfigurationChanged;
p_rg_mbms->flags.currentCellPTMRBInformation = p_rg_mbms->l12ConfigurationChanged;
p_rg_mbms->l12ConfigurationChanged = FALSE;
//1. Move last modified services --> unmodified services
rrc_rg_mbms_transfer_stable_services();
#ifdef DEBUG_RRC_MBMS_DETAIL
msg("[RRC-RG][MBMS] Current Modified Services:\n");
rrc_rg_mbms_modif_services_print();
msg("[RRC-RG][MBMS] Current Unmodified Services:\n");
rrc_rg_mbms_unmodif_services_print();
#endif
//Test if there is any service which needs to acquire RB information:
p_rg_mbms->allowCellRBInfo = (p_rg_mbms->mod_numService + p_rg_mbms->umod_numService) > 0;
//2. Update messages if neccessary (but message Modified and Notified will be created on sending)
if (p_rg_mbms->flags.modifiedServicesInformation){
rrc_rg_mbms_MCCH_encode(MCCH_mbmsModifiedServicesInformation);
rrc_rg_mbms_message_update(&p_rg_mbms->messageModif);
}
if (p_rg_mbms->flags.unmodifiedServicesInformation){
rrc_rg_mbms_MCCH_encode(MCCH_mbmsUnmodifiedServicesInformation);
rrc_rg_mbms_message_update(&p_rg_mbms->messageUnmodif);
}
if (p_rg_mbms->flags.generalInformation){
rrc_rg_mbms_MCCH_encode(MCCH_mbmsGeneralInformation);
rrc_rg_mbms_message_update(&p_rg_mbms->messageGeneral);
}
if (p_rg_mbms->flags.commonPTMRBInformation){
rrc_rg_mbms_MCCH_encode(MCCH_mbmsCommonPTMRBInformation);
rrc_rg_mbms_message_update(&p_rg_mbms->messageCommon);
}
if (p_rg_mbms->flags.currentCellPTMRBInformation){
rrc_rg_mbms_MCCH_encode(MCCH_mbmsCurrentCellPTMRBInformation);
rrc_rg_mbms_message_update(&p_rg_mbms->messageCurrent);
}
//3. Recreate the Neighbouring messages if neccessary
if (p_rg_mbms->flags.neighbouringCellPTMRBInformation)
for (i = 0; i<p_rg_mbms->neighb_cellCount; i++){
p_rg_mbms->neighb_index = i; //Create the message for the ith neighbour
rrc_rg_mbms_MCCH_encode(MCCH_mbmsNeighbouringCellPTMRBInformation);
rrc_rg_mbms_message_update(&p_rg_mbms->messageNeighbouring[i]);
}
//4. Prepare for the next modification
//Reset all the message flags
memset(&p_rg_mbms->flags, 0, sizeof(rrc_rg_mbms_msg_flags));
}
/**
* @brief Called by rrc_rg_mbms_advance_time whenever it determines a new repetition period.
* Used to start a new process of sending on MCCH
* @date May 31, 2005 4:54:16 PM
* @see rrc_rg_mbms_advance_time()
*/
//-----------------------------------------------------------------------------
void rrc_rg_mbms_activate_repetition_period(void){
//-----------------------------------------------------------------------------
#ifdef DEBUG_RRC_MBMS
msg("-------------------------------------------------\n");
msg("[RRC-RG][MBMS] START A NEW REPETITION PERIOD\n");
#endif
// p_rg_mbms->curr_repetition_counter = 1;
p_rg_mbms->msgToSend_type = 0; //Restart the counter on MCCH
p_rg_mbms->messageModif.sent = FALSE;
}
/**
* @brief Called by rrc_rg_mbms_advance_time whenever it determines a new access period.
* used to create the message MBMSAccessInfomation for sending on MCCH.
* @date May 31, 2005 4:52:31 PM
* @see rrc_rg_mbms_advance_time()
*/
//-----------------------------------------------------------------------------
void rrc_rg_mbms_activate_access_period(void){
//-----------------------------------------------------------------------------
#ifdef DEBUG_RRC_MBMS_DETAIL
msg("++++++++++++++++++++++++++++++++++++++++++++++++\n");
msg("[RRC-RG][MBMS] START A NEW ACCESS PERIOD\n");
msg("\n[MW] flags.accessInformation %d\n\n", p_rg_mbms->flags.accessInformation);
#endif
//Release old, and prepare a new access message
if (p_rg_mbms->flags.accessInformation){
rrc_rg_mbms_message_reset(&p_rg_mbms->messageAccess);
rrc_rg_mbms_MCCH_encode(MCCH_mbmsAccessInformation);
rrc_rg_mbms_message_update(&p_rg_mbms->messageAccess); //Only updated when allowed
}
}
/**
* @brief Called by rrc_rg_mbms_advance_time whenever it determines a new scheduling period.
* @date May 31, 2005 4:52:38 PM
* @see rrc_rg_mbms_advance_time()
*/
//-----------------------------------------------------------------------------
void rrc_rg_mbms_activate_scheduling_period(void){
//-----------------------------------------------------------------------------
#ifdef DEBUG_RRC_MBMS_DETAIL
msg(".................................................\n");
msg("[RRC-RG][MBMS] START A NEW SCHEDULING PERIOD\n");
#endif
//Release old, and prepare a new scheduling message
if (p_rg_mbms->flags.schedulingInformation){
rrc_rg_mbms_message_reset(&p_rg_mbms->messageScheduling);
rrc_rg_mbms_MSCH_encode(MSCH_mbmsSchedulingInformation);
rrc_rg_mbms_message_update(&p_rg_mbms->messageScheduling);
}
}
/**
* @brief advance the timing counter to determine which time event will occur
* This will be the main interface for the RG side
* @date May 31, 2005 11:24:19 AM
*/
//-----------------------------------------------------------------------------
void rrc_rg_mbms_scheduling_check(void){
//-----------------------------------------------------------------------------
#ifdef ALLOW_MBMS_PROTOCOL
if (protocol_bs->rrc.current_SFN % (1 << p_rg_mbms->modifPeriodCoef) == 0)
rrc_rg_mbms_activate_modification_period();
if (protocol_bs->rrc.current_SFN % (1 << (p_rg_mbms->modifPeriodCoef - p_rg_mbms->accessInfoPeriodCoef)) == 0)
rrc_rg_mbms_activate_access_period();
if (protocol_bs->rrc.current_SFN % (1 << (p_rg_mbms->modifPeriodCoef - p_rg_mbms->repetitionPeriodCoef)) == 0)
rrc_rg_mbms_activate_repetition_period();
if (protocol_bs->rrc.current_SFN % (1 << p_rg_mbms->schedPeriodCoef) == 0 )
rrc_rg_mbms_activate_scheduling_period();
#endif
}
/**
* @brief Delete the index th element in the list of Unmodified Services p_rg_mbms->umod_xxx
* @date Jul 8, 2005 10:41:40 AM
* @return TRUE if deleted, FALSE if not.
*/
//-----------------------------------------------------------------------------
mbms_bool rrc_rg_mbms_deleteUnmodifService(int index){
//-----------------------------------------------------------------------------
int rest;
mbms_bool result = FALSE;
//Operation delete is defined as moving 1 to the left all the element: index + 1, index + 2....
if ((result = index >= 0 && index < p_rg_mbms->umod_numService)){
if ((rest = p_rg_mbms->umod_numService - (index + 1))){
memmove(&p_rg_mbms->umod_serviceIdentity[index], &p_rg_mbms->umod_serviceIdentity[index+1], rest*sizeof(o3));
memmove(&p_rg_mbms->umod_requiredUEAction[index], &p_rg_mbms->umod_requiredUEAction[index+1], rest*sizeof(u8));
}
p_rg_mbms->umod_numService--;
}
return result;
}
/**
* @brief Add the service and its action to the list p_rg_mbms->umod_serviceIdentity[].
* @date Jul 8, 2005 11:26:44 AM
* @param serviceID service to be added
* @param umod_requiredAction required action corresponds to the serviceID.
* @param index defaultIndex = -1 --> append and increase the number of services, >= 0 --> edit the element.
* @return TRUE if inserted or modified, FALSE if not.
*/
//-----------------------------------------------------------------------------
mbms_bool rrc_rg_mbms_addUnmodifService(int index, o3 serviceID, u8 umod_requiredAction){
//-----------------------------------------------------------------------------
mbms_bool result = FALSE;
if ((result = (index < 0) && p_rg_mbms->umod_numService<maxMBMSservUnmodif)){
memcpy(&p_rg_mbms->umod_serviceIdentity[p_rg_mbms->umod_numService], &serviceID, sizeof(o3));
p_rg_mbms->umod_requiredUEAction[p_rg_mbms->umod_numService++] = umod_requiredAction;
}else{
//Otherwise, we update
if ((result = (index >= 0) && index<maxMBMSservUnmodif)) //exist --> modified the value of required ue action.
p_rg_mbms->umod_requiredUEAction[index] = umod_requiredAction;
}
return result;
}
/**
* @brief Delete the index th element in the list of Modified Services p_rg_mbms->buff_mod_xxx
* if found --> delete this element from the list.
* @date Jul 8, 2005 10:41:40 AM
* @return TRUE if deleted, FALSE if not.
*/
//-----------------------------------------------------------------------------
mbms_bool rrc_rg_mbms_deleteModifService(int index){
//-----------------------------------------------------------------------------
int rest;
mbms_bool result = FALSE;
//Operation delete is defined as moving 1 to the left all the element: index + 1, index + 2....
if ((result = (index >= 0 && index < p_rg_mbms->buff_mod_numService))){
if ((rest = p_rg_mbms->buff_mod_numService - (index + 1))){ //number of elements
memmove(&p_rg_mbms->buff_mod_changed[index], &p_rg_mbms->buff_mod_changed[index+1], rest*sizeof(mbms_bool));
memmove(&p_rg_mbms->buff_mod_serviceIdentity[index], &p_rg_mbms->buff_mod_serviceIdentity[index+1], rest*sizeof(o3));
memmove(&p_rg_mbms->buff_mod_requiredUEAction[index], &p_rg_mbms->buff_mod_requiredUEAction[index+1], rest*sizeof(u8));
}
p_rg_mbms->buff_mod_numService--;
}
return result;
}
/**
* @brief Add the service and its action to the list p_rg_mbms->buff_mod_serviceIdentity[].
* @date Jul 8, 2005 11:26:44 AM
* @param serviceID service to be added
* @param mod_requiredAction required action corresponds to the serviceID.
* @param index defaultIndex = -1 --> append and increase the number of services, >= 0 --> edit the element.
* @return TRUE if inserted or modified, FALSE if not.
*/
//-----------------------------------------------------------------------------
mbms_bool rrc_rg_mbms_addModifService(int index, o3 serviceID, u8 requiredAction){
//-----------------------------------------------------------------------------
mbms_bool result = FALSE;
if ( (result = (index < 0) && (p_rg_mbms->buff_mod_numService< maxMBMSservModif))){
#ifdef DEBUG_RRC_MBMS_BASIC
msg("[RRC-RG][MBMS] Add the service %d to the list of Modified Services. (index %d)\n", serviceID, index);
#endif
//Service ID
memcpy(&p_rg_mbms->buff_mod_serviceIdentity[p_rg_mbms->buff_mod_numService], &serviceID, sizeof(o3));
//Required Action & Others
p_rg_mbms->buff_mod_requiredUEAction[p_rg_mbms->buff_mod_numService] = requiredAction;
p_rg_mbms->buff_mod_changed[p_rg_mbms->buff_mod_numService] = TRUE;
p_rg_mbms->buff_mod_numService++;
}else
if ((result = (index >= 0))){ //exist --> modified the value of required ue action.
#ifdef DEBUG_RRC_MBMS_BASIC
msg("[RRC-RG][MBMS] Mark the service %d to the list of Modified Services-- removed. (index %d)\n", serviceID, index);
#endif
p_rg_mbms->buff_mod_requiredUEAction[index] = requiredAction;
p_rg_mbms->buff_mod_changed[index] = TRUE;
}
return result;
}
/**
* @brief Process the received joined services from NAS. copy them to mod_xxx to create the DCCH Notification
* @date Aug 24, 2005 4:30:52 PM
*/
//-----------------------------------------------------------------------------
void rrc_rg_mbms_processJoinedServices(void){
//-----------------------------------------------------------------------------
int i, index, ueID;
u8 act_numService;
ueID = p_rg_mbms->nas_ueID;
for (i = 0; i<maxMBMSServices && p_rg_mbms->nas_joinedServices[i] != -1; i++){
act_numService = protocol_bs->rrc.Mobile_List[ueID].act_numService;
//Check if this service exist in the list of services/UE of the user p_rg_mbms->nas_ueID
index = rrc_mbms_service_id_find(act_numService, &(protocol_bs->rrc.Mobile_List[ueID].act_serviceIdentity), p_rg_mbms->nas_joinedServices[i]);
//We add this service in the notification only if it hasn't been activated before
if (index < 0){
p_rg_mbms->mod_requiredUEAction[p_rg_mbms->mod_numService] = Mod_acquirePTM_RBInfo;
p_rg_mbms->mod_sessionIdentity[p_rg_mbms->mod_numService] = 0; //temp
memcpy(&p_rg_mbms->mod_serviceIdentity[p_rg_mbms->mod_numService++], &p_rg_mbms->nas_joinedServices[i], sizeof(o3));
//add in the managed services/ue list
memcpy(&(protocol_bs->rrc.Mobile_List[ueID].act_serviceIdentity[act_numService]), &(p_rg_mbms->nas_joinedServices[i]), sizeof(o3));
protocol_bs->rrc.Mobile_List[ueID].act_numService++;
}else{
#ifdef DEBUG_RRC_MBMS
msg("[RRC-RG][MBMS] Joined service %d has previously been notified to UE %d. Ignore this request\n", p_rg_mbms->nas_joinedServices[i], p_rg_mbms->nas_ueID);
#endif
}
}
}
/**
* @brief Process the received left services from NAS. copy them to mod_xxx to create the DCCH Notification
* @date Aug 24, 2005 4:29:57 PM
*/
//-----------------------------------------------------------------------------
void rrc_rg_mbms_processLeftServices(void){
//-----------------------------------------------------------------------------
int i, index, ueID;
u8 act_numService;
int remaining;
ueID = p_rg_mbms->nas_ueID;
for (i = 0; i<maxMBMSServices && p_rg_mbms->nas_leftServices[i] != -1; i++){
act_numService = protocol_bs->rrc.Mobile_List[ueID].act_numService;
index = rrc_mbms_service_id_find(act_numService, &(protocol_bs->rrc.Mobile_List[ueID].act_serviceIdentity), p_rg_mbms->nas_leftServices[i]);
//We add this service in the notification only if it has previously been activated
if (index >= 0){
p_rg_mbms->mod_requiredUEAction[p_rg_mbms->mod_numService] = Mod_releasePTM_RB;
memcpy(& p_rg_mbms->mod_serviceIdentity[p_rg_mbms->mod_numService++], &p_rg_mbms->nas_leftServices[i], 3);
//delete from the services/ue list
remaining = act_numService - (index + 1);
if (remaining > 0)
memmove(&(protocol_bs->rrc.Mobile_List[ueID].act_serviceIdentity[index]), &(protocol_bs->rrc.Mobile_List[ueID].act_serviceIdentity[index+1]), remaining * sizeof(o3));
protocol_bs->rrc.Mobile_List[ueID].act_numService --;
}else{
#ifdef DEBUG_RRC_MBMS
msg("[RRC-RG][MBMS] Service %d was not joined. Ignore this request\n", p_rg_mbms->nas_leftServices[i]);
#endif
}
}
}
/**
* @brief If the length of p_rg_mbms->curr_Message > 0,
* copy the current content of p_rg_mbms->curr_Message in to the struct pointed by ptrMsgInfo.
* @param ptrMsgInfo pointer pointing to a static buffer in p_rg_mbms
*
*/
//-----------------------------------------------------------------------------
void rrc_rg_mbms_message_update(rrc_rg_mbms_msg_buf * ptrMsgInfo){
//-----------------------------------------------------------------------------
if (p_rg_mbms->curr_Message.msg_length >0)
memcpy(ptrMsgInfo, &p_rg_mbms->curr_Message, sizeof(rrc_rg_mbms_msg_buf));
}
/**
* @brief Reset the content of message info.
* @param ptrMsgInfo pointer pointing to the message information
*/
//-----------------------------------------------------------------------------
void rrc_rg_mbms_message_reset(rrc_rg_mbms_msg_buf * ptrMsgInfo){
//-----------------------------------------------------------------------------
memset(ptrMsgInfo, 0, sizeof(rrc_rg_mbms_msg_buf));
}
/**
* @brief Used to print out the list of modified services
* @date Jul 29, 2005 10:24:11 AM
*/
//-----------------------------------------------------------------------------
void rrc_rg_mbms_modif_services_print(void){
//-----------------------------------------------------------------------------
int i;
for (i = 0; i< p_rg_mbms->mod_numService; i++){
msg("\t\t[RRC-RG][MBMS] service id = %d", p_rg_mbms->mod_serviceIdentity[i]);
msg(", required action = ");
switch (p_rg_mbms->mod_requiredUEAction[i]){
case Mod_none: msg("None\n"); break;
case Mod_acquirePTM_RBInfo: msg("Acquire PTM RB Info\n"); break;
case Mod_releasePTM_RB: msg("Release PTM RB Info\n"); break;
}
}
}
/**
* @brief Used to print out the list of unmodified services
* @date Jul 29, 2005 10:24:11 AM
*/
//-----------------------------------------------------------------------------
void rrc_rg_mbms_unmodif_services_print(void){
//-----------------------------------------------------------------------------
int i;
for (i = 0; i< p_rg_mbms->umod_numService; i++){
msg("\t\t[RRC-RG][MBMS] service id = %d", p_rg_mbms->umod_serviceIdentity[i]);
msg(", required action = ");
switch (p_rg_mbms->umod_requiredUEAction[i]){
case UMod_none: msg("None\n"); break;
case UMod_acquirePTM_RBInfo: msg("Acquire PTM RB Info\n"); break;
case UMod_releasePTM_RB: msg("Release PTM RB Info\n"); break;
}
}
}
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