/* 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_0011.pgc"
/* @tier medium @module mg @transform msg-gateway-batch */
/*
 * mg_bt_0011.pgc - 전문 압축 아카이브 배치  [tier=medium]
 *
 * 지정 영업일의 전문 페이로드(mg_log.payload)를 커서로 읽어 RLE
 * (Run-Length Encoding) 유사 방식으로 압축크기를 산정, 원본/압축
 * 바이트를 누적하고 압축률을 계산하여 리포트한다. (실제 저장은
 * 하지 않는 압축효과 시뮬레이션)
 *
 * 실행:  mg_bt_0011 <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 21 "app/batch/mg_bt_0011.pgc"


/* RLE 압축 후 바이트 수 계산: 연속 동일문자 런을 (문자+길이) 2바이트로 */
static long mg_rle_size(const char *buf)
{
    long out = 0;
    size_t i = 0, n = strlen(buf);

    while (i < n) {
        size_t j = i + 1;
        while (j < n && buf[j] == buf[i] && (j - i) < 255)
            j++;
        out += 2;   /* 1바이트 문자 + 1바이트 런길이 */
        i = j;
    }
    return out;
}

static int run_mg_bt_0011(const char *biz_date)
{
    /* exec sql begin declare section */
     
     
     
    
#line 42 "app/batch/mg_bt_0011.pgc"
 char h_biz_date [ 9 ] ;
 
#line 43 "app/batch/mg_bt_0011.pgc"
 long h_log_id ;
 
#line 44 "app/batch/mg_bt_0011.pgc"
 char h_payload [ 256 ] ;
/* exec sql end declare section */
#line 45 "app/batch/mg_bt_0011.pgc"


    long total = 0, errcnt = 0;
    long orig_bytes = 0, comp_bytes = 0;
    long ratio_x10 = 0;

    memset(h_biz_date, 0, sizeof(h_biz_date));
    strncpy(h_biz_date, biz_date, sizeof(h_biz_date) - 1);

    ECPGset_var( 0, ( h_biz_date ), __LINE__);\
 /* declare cur_mg_bt_0011 cursor for select log_id , payload from mg_log where biz_date = $1  order by log_id */
#line 58 "app/batch/mg_bt_0011.pgc"

#line 58 "app/batch/mg_bt_0011.pgc"


    { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "declare cur_mg_bt_0011 cursor for select log_id , payload from mg_log where biz_date = $1  order by log_id", 
	ECPGt_char,(h_biz_date),(long)9,(long)1,(9)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EOIT, ECPGt_EORT);}
#line 60 "app/batch/mg_bt_0011.pgc"

    if (sqlca.sqlcode != TX_SQL_OK) {
        TX_DBIO_LOG_ERR("OPEN cur_mg_bt_0011");
        return TX_EDB;
    }

    for (;;) {
        long olen, clen;

        { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "fetch cur_mg_bt_0011", ECPGt_EOIT, 
	ECPGt_long,&(h_log_id),(long)1,(long)1,sizeof(long), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, 
	ECPGt_char,(h_payload),(long)256,(long)1,(256)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EORT);}
#line 69 "app/batch/mg_bt_0011.pgc"


        if (sqlca.sqlcode == TX_SQL_NOTFOUND)
            break;
        if (sqlca.sqlcode != TX_SQL_OK) {
            TX_DBIO_LOG_ERR("FETCH cur_mg_bt_0011");
            errcnt++;
            break;
        }

        total++;
        olen = (long)strlen(h_payload);
        clen = mg_rle_size(h_payload);
        orig_bytes += olen;
        comp_bytes += clen;
        tx_log(TX_LOG_DEBUG, "[mg_bt_0011] log=%ld orig=%ld comp=%ld",
               h_log_id, olen, clen);
    }

    { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "close cur_mg_bt_0011", ECPGt_EOIT, ECPGt_EORT);}
#line 88 "app/batch/mg_bt_0011.pgc"


    if (orig_bytes > 0)
        ratio_x10 = (comp_bytes * 1000) / orig_bytes;

    tx_log(TX_LOG_INFO, "[mg_bt_0011] 압축 date=%s 건수=%ld 원본=%ld 압축=%ld",
           biz_date, total, orig_bytes, comp_bytes);

    printf("========== 전문 압축 아카이브 [mg_bt_0011] ==========\n");
    printf("  영업일      : %s\n", biz_date);
    printf("  대상 전문   : %ld\n", total);
    printf("  원본 바이트 : %ld\n", orig_bytes);
    printf("  압축 바이트 : %ld\n", comp_bytes);
    printf("  절감 바이트 : %ld\n", orig_bytes - comp_bytes);
    printf("  압축률      : %ld.%ld%%\n", ratio_x10 / 10, ratio_x10 % 10);
    printf("  조회 오류   : %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_0011] 압축 아카이브 시작 date=%s", biz_date);

    rc = mg_dbio_connect(target);
    if (rc != TX_OK) {
        tx_log(TX_LOG_ERROR, "[mg_bt_0011] DB 접속 실패 rc=%d", rc);
        return 1;
    }

    rc = run_mg_bt_0011(biz_date);

    mg_dbio_disconnect();

    tx_log(TX_LOG_INFO, "[mg_bt_0011] 배치 종료 rc=%d(%s)", rc, tx_strerror(rc));
    return (rc == TX_OK) ? 0 : 1;
}
