/*****************************************************************************
Function Name : NAS_LMM_FSM_PopState
Discription : 将CCB状态栈中栈顶的状态弹出堆栈，填入当前状态。在流程模块调用
RRC_FSM_EndProcess时由MAIN模块自动完成，该接口不对外提供。
Input : 状态机栈地址
Output : None
Return : None
History:
1. hanlufeng 41410 Draft Enact
*****************************************************************************/
VOS_VOID NAS_LMM_FSM_PopState( NAS_LMM_PARALLEL_FSM_ENUM_UINT16 enParalFsmId )
{
NAS_LMM_FSM_STATE_STACK_STRU *pstFsmStack; /* 状态机栈地址 */
NAS_LMM_FSM_STATE_STRU *pstCurFsm; /* 状态机地址 */
NAS_LMM_FSM_STATE_STRU *pstFsmStackTop; /* 指向栈顶状态 */
/* 入口检查 */
if ( NAS_LMM_PARA_FSM_ID_INVALID(enParalFsmId))
{
NAS_LMM_PUBM_LOG1_ERR("NAS_LMM_FSM_PopState, FsmId error, FsmId", enParalFsmId);
return;
}
/* 获取EMM状态机当前状态的地址和状态机栈的地址 */
pstCurFsm = NAS_LMM_GetCurFsmAddr(enParalFsmId);
pstFsmStack = NAS_LMM_GetFsmStackAddr(enParalFsmId);
/* 栈越界 */
if ( (pstFsmStack->ucStackDepth) > NAS_LMM_MAX_STACK_DEPTH )
{
NAS_LMM_PUBM_LOG1_ERR("NAS_LMM_FSM_PopState, The stack depth overflow, ucStackDepth",
(pstFsmStack->ucStackDepth));
return;
}
/* 栈已空 */
if ( 0 == (pstFsmStack->ucStackDepth) )
{
NAS_LMM_PUBM_LOG_ERR("NAS_LMM_FSM_PopState, The stack is empty!");
return;
}
/* 获取栈顶第一个有效状态的位置，即栈顶的下一个位置 */
pstFsmStack->ucStackDepth--;
/* 获取栈顶第一个有效状态 */
pstFsmStackTop = &((pstFsmStack->astFsmStack)[pstFsmStack->ucStackDepth]);
/* 设置当前状态机 */
pstCurFsm->enFsmId = pstFsmStackTop->enFsmId;
pstCurFsm->enMainState = pstFsmStackTop->enMainState;
pstCurFsm->enSubState = pstFsmStackTop->enSubState;
pstCurFsm->enStaTId = pstFsmStackTop->enStaTId;
return;
}
LPS_LNAS_STA_ENUM_UINT32 LNAS_DEBUG_GetEmmSta(VOS_VOID)
{
NAS_LMM_MAIN_STATE_ENUM_UINT16 enMainState;
NAS_LMM_SUB_STATE_ENUM_UINT16 enSubState;
NAS_LMM_FSM_STATE_STACK_STRU *pstFsmStack = VOS_NULL_PTR; /* 状态机栈地址 */
NAS_LMM_FSM_STATE_STRU *pstFsmStackBase = VOS_NULL_PTR; /* 指向栈底状态 */
/* 从当前状态机中获取状态 */
enMainState = NAS_LMM_GetEmmCurFsmMS();
enSubState = NAS_LMM_GetEmmCurFsmSS();
/* 连接建立过程,释放过程,鉴权过程 需要从状态栈获取状态 */
/*add by lifuxin for Lnas est process re-construct start*/
if ((EMM_MS_RRC_CONN_REL_INIT == enMainState)
||(EMM_MS_AUTH_INIT == enMainState) )
/*add by lifuxin for Lnas est process re-construct end*/
{
/* 获取状态栈栈底地址 */
pstFsmStack
= NAS_LMM_GetFsmStackAddr(NAS_LMM_PARALLEL_FSM_EMM);
pstFsmStackBase
= &((pstFsmStack->astFsmStack)[NAS_LMM_STACK_BASE]);
/* 从状态栈获取状态 */
enMainState = pstFsmStackBase->enMainState;
enSubState = pstFsmStackBase->enSubState;
}
if ((EMM_SS_REG_NO_CELL_AVAILABLE == enSubState)
||(EMM_SS_DEREG_NO_CELL_AVAILABLE == enSubState)
||(EMM_SS_DEREG_NO_IMSI == enSubState))
{
return LPS_LNAS_STA_NO_SERVICE;
}
if ((EMM_MS_REG == enMainState)
||(EMM_MS_TAU_INIT == enMainState)
||(EMM_MS_SER_INIT == enMainState))
{
return LPS_LNAS_STA_ATTACHED;
}
if (EMM_MS_DEREG == enMainState)
{
return LPS_LNAS_STA_DETACHED;
}
return LPS_LNAS_STA_OTHER;
}
/*****************************************************************************
Function Name : NAS_LMM_FSM_PushState
Discription : 当前状态机压栈，不修改状态。即入栈后，当前状态仍保持入栈前
的状态，状态修改的工作由执行入栈操作的模块显式执行。
Input : 状态机栈地址
Output : None
Return : None
History:
1. hanlufeng 41410 Draft Enact
*****************************************************************************/
VOS_VOID NAS_LMM_FSM_PushState( NAS_LMM_PARALLEL_FSM_ENUM_UINT16 enParalFsmId)
{
NAS_LMM_FSM_STATE_STACK_STRU *pstFsmStack; /* 状态机栈地址 */
NAS_LMM_FSM_STATE_STRU *pstCurFsm; /* 状态机地址 */
NAS_LMM_FSM_STATE_STRU *pstFsmStackTop; /* 指向栈顶状态 */
/* 入口检查 */
if ( NAS_LMM_PARA_FSM_ID_INVALID(enParalFsmId))
{
NAS_LMM_PUBM_LOG1_ERR("NAS_EMM_FSM_PushState, The input is illegal! enParalFsmId",
enParalFsmId);
return;
}
/* 获取EMM状态机当前状态的地址和状态机栈的地址 */
pstCurFsm = NAS_LMM_GetCurFsmAddr(NAS_LMM_PARALLEL_FSM_EMM);
pstFsmStack = NAS_LMM_GetFsmStackAddr(NAS_LMM_PARALLEL_FSM_EMM);
/* 状态机栈是否已满 */
if ( pstFsmStack->ucStackDepth >= NAS_LMM_MAX_STACK_DEPTH )
{
NAS_LMM_PUBM_LOG1_ERR("NAS_EMM_FSM_PushState, The stack depth overflow!, ucStackDepth",
pstFsmStack->ucStackDepth);
/* 栈满应该有些出错处理 */
return;
}
/* 获取状态栈栈顶地址 */
pstFsmStackTop = &((pstFsmStack->astFsmStack)[pstFsmStack->ucStackDepth]);
/* 入栈 */
pstFsmStackTop->enFsmId = pstCurFsm->enFsmId;
pstFsmStackTop->enMainState = pstCurFsm->enMainState;
pstFsmStackTop->enSubState = pstCurFsm->enSubState;
pstFsmStackTop->enStaTId = pstCurFsm->enStaTId;
/* 栈深度加 1 */
pstFsmStack->ucStackDepth++;
return;
}
VOS_UINT32 NAS_LMM_FSM_GetStaAtStackTop(
NAS_LMM_PARALLEL_FSM_ENUM_UINT16 enParalFsmId)
{
NAS_LMM_MAIN_STATE_ENUM_UINT16 enMainState;
NAS_LMM_SUB_STATE_ENUM_UINT16 enSubState;
NAS_LMM_FSM_STATE_STACK_STRU *pstFsmStack = VOS_NULL_PTR;
NAS_LMM_FSM_STATE_STRU *pstFsmStackTop = VOS_NULL_PTR;
/* 获取状态栈栈底地址 */
pstFsmStack = NAS_LMM_GetFsmStackAddr(enParalFsmId);
pstFsmStackTop = &((pstFsmStack->astFsmStack)[pstFsmStack->ucStackDepth-1]);
/* 从状态栈获取状态 */
enMainState = pstFsmStackTop->enMainState;
enSubState = pstFsmStackTop->enSubState;
return NAS_LMM_PUB_COMP_EMMSTATE(enMainState, enSubState);
}
/*****************************************************************************
Function Name : 清除MM层各状态机的栈
Discription : NAS_LMM_FSM_ClearStackResource
Input :
Output : None
Return : None
History:
1. hanlufeng 41410 Draft Enact
*****************************************************************************/
VOS_VOID NAS_LMM_FSM_ClearStackResource(VOS_VOID)
{
VOS_UINT32 ulFsmId;
NAS_LMM_FSM_STATE_STACK_STRU *pEmmStack;
NAS_LMM_PUBM_LOG_NORM("NAS_LMM_FSM_ClearStackResource enter.");
for(ulFsmId = NAS_LMM_PARALLEL_FSM_EMM;
ulFsmId < NAS_LMM_PARALLEL_FSM_BUTT;
ulFsmId++)
{
pEmmStack = NAS_LMM_GetFsmStackAddr(ulFsmId);
/* 栈顶位置指示，即栈深度，设为0 */
pEmmStack->ucStackDepth = NAS_EMM_STACK_EMPTY;
}
return;
}
VOS_VOID NAS_LMM_FSM_ClearState( NAS_LMM_PARALLEL_FSM_ENUM_UINT16 enParalFsmId )
{
NAS_LMM_FSM_STATE_STACK_STRU *pstFsmStack; /* 状态机栈地址 */
/* 入口检查 */
if ( NAS_LMM_PARA_FSM_ID_INVALID(enParalFsmId))
{
NAS_LMM_PUBM_LOG1_ERR("NAS_LMM_FSM_PopState, FsmId error, FsmId", enParalFsmId);
return;
}
/* 获取EMM状态机当前状态的地址和状态机栈的地址 */
pstFsmStack = NAS_LMM_GetFsmStackAddr(enParalFsmId);
/* 栈越界 */
if ( (pstFsmStack->ucStackDepth) > NAS_LMM_MAX_STACK_DEPTH )
{
NAS_LMM_PUBM_LOG1_ERR("NAS_LMM_FSM_PopState, The stack depth overflow, ucStackDepth",
(pstFsmStack->ucStackDepth));
return;
}
/* 栈已空 */
if ( 0 == (pstFsmStack->ucStackDepth) )
{
NAS_LMM_PUBM_LOG_ERR("NAS_LMM_FSM_PopState, The stack is empty!");
return;
}
/*清除栈内存储的状态机*/
pstFsmStack->ucStackDepth = 0;
NAS_LMM_MEM_SET(pstFsmStack,0,sizeof(NAS_LMM_FSM_STATE_STACK_STRU));
return;
}
