/* Processed by ecpg (15.18 (Debian 15.18-0+deb12u1)) */
/* These include files are added by the preprocessor */
#include <ecpglib.h>
#include <ecpgerrno.h>
#include <sqlca.h>
/* End of automatic include section */

#line 1 "app/batch/mg_bt_0008.pgc"
/* @tier medium @module mg @transform msg-gateway-batch */
/*
 * mg_bt_0008.pgc - 채널 세션 만료 정리 배치  [tier=medium]
 *
 * 채널 세션(mg_chan) 중 마지막 활동시각(last_ts)이 유휴 임계(기본
 * 900초)를 초과한 세션을 커서로 순회하며 raw SQL UPDATE 로 세션을
 * 종료(sess_st='C') 처리한다. 정리 세션수/유지 세션수를 리포트한다.
 *
 * 실행:  mg_bt_0008 <YYYYMMDD> [db@host]
 */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "txcore.h"
#include "txcore_dbio.h"
#include "acq_util.h"
#include "mg_core.h"


#line 1 "/usr/include/postgresql/sqlca.h"
#ifndef POSTGRES_SQLCA_H
#define POSTGRES_SQLCA_H

#ifndef PGDLLIMPORT
#if  defined(WIN32) || defined(__CYGWIN__)
#define PGDLLIMPORT __declspec (dllimport)
#else
#define PGDLLIMPORT
#endif							/* __CYGWIN__ */
#endif							/* PGDLLIMPORT */

#define SQLERRMC_LEN	150

#ifdef __cplusplus
extern "C"
{
#endif

struct sqlca_t
{
	char		sqlcaid[8];
	long		sqlabc;
	long		sqlcode;
	struct
	{
		int			sqlerrml;
		char		sqlerrmc[SQLERRMC_LEN];
	}			sqlerrm;
	char		sqlerrp[8];
	long		sqlerrd[6];
	/* Element 0: empty						*/
	/* 1: OID of processed tuple if applicable			*/
	/* 2: number of rows processed				*/
	/* after an INSERT, UPDATE or				*/
	/* DELETE statement					*/
	/* 3: empty						*/
	/* 4: empty						*/
	/* 5: empty						*/
	char		sqlwarn[8];
	/* Element 0: set to 'W' if at least one other is 'W'	*/
	/* 1: if 'W' at least one character string		*/
	/* value was truncated when it was			*/
	/* stored into a host variable.             */

	/*
	 * 2: if 'W' a (hopefully) non-fatal notice occurred
	 */	/* 3: empty */
	/* 4: empty						*/
	/* 5: empty						*/
	/* 6: empty						*/
	/* 7: empty						*/

	char		sqlstate[5];
};

struct sqlca_t *ECPGget_sqlca(void);

#ifndef POSTGRES_ECPG_INTERNAL
#define sqlca (*ECPGget_sqlca())
#endif

#ifdef __cplusplus
}
#endif

#endif

#line 20 "app/batch/mg_bt_0008.pgc"


#define MG_SESS_IDLE_SEC 900   /* 세션 유휴 만료 임계(초) */

static int run_mg_bt_0008(const char *biz_date)
{
    /* exec sql begin declare section */
     
     
     
      
    
#line 27 "app/batch/mg_bt_0008.pgc"
 char h_chan_cd [ 8 ] ;
 
#line 28 "app/batch/mg_bt_0008.pgc"
 long h_sess_id ;
 
#line 29 "app/batch/mg_bt_0008.pgc"
 long h_idle ;
 
#line 30 "app/batch/mg_bt_0008.pgc"
 int h_idle_max ;
/* exec sql end declare section */
#line 31 "app/batch/mg_bt_0008.pgc"


    long total = 0, closed = 0, errcnt = 0;
    long longest = 0;

    h_idle_max = MG_SESS_IDLE_SEC;

    ECPGset_var( 0, &( h_idle_max ), __LINE__);\
 /* declare cur_mg_bt_0008 cursor for select chan_cd , sess_id , cast ( extract ( EPOCH from ( now ( ) - last_ts ) ) as bigint ) from mg_chan where sess_st = 'A' and extract ( EPOCH from ( now ( ) - last_ts ) ) >= $1  order by chan_cd , sess_id */
#line 44 "app/batch/mg_bt_0008.pgc"

#line 44 "app/batch/mg_bt_0008.pgc"


    { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "declare cur_mg_bt_0008 cursor for select chan_cd , sess_id , cast ( extract ( EPOCH from ( now ( ) - last_ts ) ) as bigint ) from mg_chan where sess_st = 'A' and extract ( EPOCH from ( now ( ) - last_ts ) ) >= $1  order by chan_cd , sess_id", 
	ECPGt_int,&(h_idle_max),(long)1,(long)1,sizeof(int), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EOIT, ECPGt_EORT);}
#line 46 "app/batch/mg_bt_0008.pgc"

    if (sqlca.sqlcode != TX_SQL_OK) {
        TX_DBIO_LOG_ERR("OPEN cur_mg_bt_0008");
        return TX_EDB;
    }

    if (tx_begin() != TX_OK)
        tx_log(TX_LOG_WARN, "[mg_bt_0008] tx_begin 경고");

    for (;;) {
        { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "fetch cur_mg_bt_0008", ECPGt_EOIT, 
	ECPGt_char,(h_chan_cd),(long)8,(long)1,(8)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, 
	ECPGt_long,&(h_sess_id),(long)1,(long)1,sizeof(long), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, 
	ECPGt_long,&(h_idle),(long)1,(long)1,sizeof(long), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EORT);}
#line 56 "app/batch/mg_bt_0008.pgc"


        if (sqlca.sqlcode == TX_SQL_NOTFOUND)
            break;
        if (sqlca.sqlcode != TX_SQL_OK) {
            TX_DBIO_LOG_ERR("FETCH cur_mg_bt_0008");
            errcnt++;
            break;
        }

        total++;
        if (h_idle > longest)
            longest = h_idle;

        { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "update mg_chan set sess_st = 'C' , close_ts = now ( ) where sess_id = $1 ", 
	ECPGt_long,&(h_sess_id),(long)1,(long)1,sizeof(long), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EOIT, ECPGt_EORT);}
#line 72 "app/batch/mg_bt_0008.pgc"

        if (sqlca.sqlcode != TX_SQL_OK) {
            TX_DBIO_LOG_ERR("UPDATE mg_chan close");
            errcnt++;
        } else {
            closed++;
            tx_log(TX_LOG_DEBUG, "[mg_bt_0008] 세션종료 chan=%s sess=%ld idle=%lds",
                   h_chan_cd, h_sess_id, h_idle);
        }
    }

    { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "close cur_mg_bt_0008", ECPGt_EOIT, ECPGt_EORT);}
#line 83 "app/batch/mg_bt_0008.pgc"


    if (errcnt == 0)
        tx_commit();
    else
        tx_abort();

    tx_log(TX_LOG_INFO, "[mg_bt_0008] 세션정리 date=%s 종료=%ld 오류=%ld",
           biz_date, closed, errcnt);

    printf("========== 세션 만료 정리 [mg_bt_0008] ==========\n");
    printf("  기준일        : %s\n", biz_date);
    printf("  유휴 임계(초) : %d\n", MG_SESS_IDLE_SEC);
    printf("  만료 대상     : %ld\n", total);
    printf("  종료 세션     : %ld\n", closed);
    printf("  최장 유휴(초) : %ld\n", longest);
    printf("  오류 건수     : %ld\n", errcnt);
    printf("=============================================\n");

    return (errcnt == 0) ? TX_OK : TX_FAIL;
}

int main(int argc, char **argv)
{
    const char *biz_date;
    const char *target;
    int rc;

    tx_set_loglevel(TX_LOG_INFO);

    if (argc < 2) {
        fprintf(stderr, "사용법: %s <YYYYMMDD> [db@host]\n", argv[0]);
        return 2;
    }
    biz_date = argv[1];
    target   = (argc >= 3) ? argv[2] : NULL;

    if (!date_is_valid(biz_date)) {
        fprintf(stderr, "오류: 유효하지 않은 영업일 '%s'\n", biz_date);
        return 2;
    }

    tx_log(TX_LOG_INFO, "[mg_bt_0008] 세션 만료 정리 시작 date=%s", biz_date);

    rc = mg_dbio_connect(target);
    if (rc != TX_OK) {
        tx_log(TX_LOG_ERROR, "[mg_bt_0008] DB 접속 실패 rc=%d", rc);
        return 1;
    }

    rc = run_mg_bt_0008(biz_date);

    mg_dbio_disconnect();

    tx_log(TX_LOG_INFO, "[mg_bt_0008] 배치 종료 rc=%d(%s)", rc, tx_strerror(rc));
    return (rc == TX_OK) ? 0 : 1;
}
