/*
	DMW_PsiDatabase.h

	DST TV MW PSI Scan Module

	PSI Database management implementation

	Copyright 2006~2010 Digital STREAM Technology, Inc.
	All Rights Reserved

*/


#ifndef __DMW_PSI_DATABASE_H__
#define __DMW_PSI_DATABASE_H__


#include "DMW_PsiConfig.h"
#include "DMW_PsiTypes.h"

#include "DMW_PsiAPI.h"


#ifdef __cplusplus
extern "C" {
#endif


#if COMMENT
____Overview____(){}
#endif


/*

	ÀÌ ¸ðµâ¿¡¼­´Â PSI DBÀÇ °¢Á¾ Å×ÀÌºí¿¡ Á¢±ÙÇÒ ¼ö ÀÖ´Â functionÀ» ±¸ÇöÇÑ´Ù.


	PSI DB¿¡ Á¢±ÙÇϱâ À§Çؼ­ »ç¿ëÇÏ´Â mutex lock API.

	------------- Rule -------------
	
		PsiTask ¿¡¼­ DB´Â ÀÚÀ¯·Ó°Ô ÀÐÀ» ¼ö ÀÖÀ½.
		PsiTask ¿¡¼­´Â Lock ÈÄ DB ¼öÁ¤ °¡´É.
		
		ÀÓÀÇ task¿¡¼­´Â Lock ÈÄ DB Àб⠰¡´É.
		ÀÓÀÇ task¿¡¼­ DBÀÇ º¯°æÀº Àý´ë ±ÝÁö.
		
	---------  End of Rule ---------

	ÀÏ¹Ý Caller task¿¡¼­´Â DB ³»¿ëÀ» Àбâ Àü¿¡ ¹Ýµå½Ã 
	DMW_PSI_LockDB() API¸¦ ÀÌ¿ëÇÏ¿© lock µÈ ÈÄ¿¡ Àоî¾ß ÇÑ´Ù.

	³»ºÎ ¸ðµâ¿¡¼­´Â PSIDB_LockDB() ¸¦ »ç¿ëÇصµ µÈ´Ù.

	ÀÏ¹Ý caller task¿¡¼­ Á÷Á¢ DB ³»¿ëÀ» ¼öÁ¤ÇÏ´Â °ÍÀº Àý´ë Çؼ­´Â ¾ÈµÈ´Ù.

*/
		

#if COMMENT
____Get____(){}
#endif

/*
	all of these call do unlocked access.
	so, caller should be careful to race condition.
*/

MPEG_PAT *PSIDB_GetPAT(int id);
MPEG_PMT **PSIDB_GetPMTs(int id);
mgtSectionPtr_t PSIDB_GetMgt(int id);
xvctPtr_t PSIDB_GetVct(int id);
sttSectionPtr_t PSIDB_GetStt(int id);
eitPtr_t *PSIDB_GetEits(int id, int source_id);
eitPtr_t PSIDB_GetEit(int id, int source_id, int iEit);

S_PSIM_MGT_DIGEST *PSIDB_GetMgtDigest(int id);


BOOL PSIDB_IsPmtsCompleted(int id);

BOOL PSIDB_IsSubChScanReadyToStart(int id);
BOOL PSIDB_IsSubChEitsCompleted(int id, int source_id);
BOOL PSIDB_IsAllSubChEitsCompleted(int id, int iEit);
BOOL PSIDB_IsSubChEttVRequired(int id, int source_id);
BOOL PSIDB_IsSubChEttSlotCompleted(int id, int source_id, int iEit);
BOOL PSIDB_IsSubChAllEttsCompleted(int id, int source_id);


#if COMMENT
____DB_Op____(){}
#endif

STATUS PSIDB_AllocateChInfoNode(int id);
STATUS PSIDB_RemoveChInfoNode(int id);



#if COMMENT
____Update____(){}
#endif

/*
	all of these update API do mutex lock internally.
	they change something in database.
	
*/

STATUS PSIDB_UpdatePAT(int id, MPEG_PAT *pat);
STATUS PSIDB_UpdatePMT(int id, MPEG_PMT *pmt);
STATUS PSIDB_UpdateMgt(int id, mgtSectionPtr_t mgt);
STATUS PSIDB_UpdateVct(int id, xvctPtr_t vct);

STATUS PSIDB_UpdateStt(int id, sttSectionPtr_t stt, UINT32 tick_stt_get);
STATUS PSIDB_InvalidateStt(int id);

STATUS PSIDB_UpdateRrt(int id, rrtSectionPtr_t rrt);

STATUS PSIDB_UpdateEit(int id, eitPtr_t eit, int index);
STATUS PSIDB_UpdateEtt(int id, ettSectionPtr_t ett, int index);

void PSIDB_DeleteTables(int id);
void PSIDB_DeleteAllTables(void);

void PSIDB_LockDB(BOOL bLock);

S_PSIM_CHINFO *PSIDB_GetPsiChInfo(int id);
S_PSIM_SUBCHINFO *PSIDB_GetPsiSubChInfo(int id, int source_id);

void PSIDB_PrintAllTables(int id, int source_id, BOOL bDetail);


#if COMMENT
____Private____(){}
#endif

// do not use these functions if you don't know what it does
void PSIDB_FreeEtts(S_PSIM_SUBCHINFO *subchInfo, int iEit);
void PSIDB_FreeEitAndRelatedEtts(S_PSIM_SUBCHINFO *subchInfo, int iEit);
void PSIDB_FreeSubChInfo(S_PSIM_SUBCHINFO *subchInfo);
void PSIDB_FreeChInfo(S_PSIM_CHINFO *chInfo);


#ifdef __cplusplus
} /* extern "C" */
#endif


#endif // __DMW_PSI_DATABASE_H__