/* 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/online/au_ol_0009.pgc"
/* @tier hard @module au @transform authorization-online */
/*
 * au_ol_0009.pgc - 대행승인 fallback(주센터 실패시 백업) (AU_OL_0009)  [tier=hard]
 *
 * 주센터(au_center) 가동상태를 임베디드 SQL 로 확인해 정상이면 주센터
 * (AU_ISSUER)로, 장애면 곧바로 대행센터(AU_STANDIN)로 tx_call 한다.
 * 주센터 tx_call 이 실패해도 대행센터로 전환하며, 대행 처리분은
 * 대행승인 이력(au_standin_log)에 기록한다.
 */
#include <stdio.h>
#include <string.h>

#include "txcore.h"
#include "txcore_dbio.h"
#include "acq_util.h"
#include "au_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 18 "app/online/au_ol_0009.pgc"


TX_SERVICE(AU_OL_0009, ctx)
{
    /* exec sql begin declare section */
     
     
     
     
    
#line 23 "app/online/au_ol_0009.pgc"
 char h_center_id [ 8 ] ;
 
#line 24 "app/online/au_ol_0009.pgc"
 char h_center_status [ 2 ] ;
 
#line 25 "app/online/au_ol_0009.pgc"
 char h_key [ 16 ] ;
 
#line 26 "app/online/au_ol_0009.pgc"
 long h_amount ;
/* exec sql end declare section */
#line 27 "app/online/au_ol_0009.pgc"


    TXBUF *req;
    char key[16];
    long amount = 0;
    int  rc, standin = 0, primary_down;

    tx_log(TX_LOG_INFO, "[AU_OL_0009] 대행승인 fallback 진입");

    if (tx_buf_get(ctx->in, "KEY", key, sizeof(key)) != TX_OK) {
        tx_log(TX_LOG_ERROR, "[AU_OL_0009] KEY 누락");
        tx_return(ctx, TX_EINVAL, ctx->out);
        return;
    }
    tx_buf_getlong(ctx->in, "AMOUNT", &amount);

    strncpy(h_key, key, sizeof(h_key) - 1);
    h_key[sizeof(h_key) - 1] = '\0';
    h_amount = amount;

    /* 주센터 가동상태 조회 (center_id='PRIMARY') */
    strcpy(h_center_id, "PRIMARY");
    strcpy(h_center_status, "U");
    { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "select center_status from au_center where center_id = $1 ", 
	ECPGt_char,(h_center_id),(long)8,(long)1,(8)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EOIT, 
	ECPGt_char,(h_center_status),(long)2,(long)1,(2)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EORT);}
#line 53 "app/online/au_ol_0009.pgc"

    if (sqlca.sqlcode != TX_SQL_OK && sqlca.sqlcode != TX_SQL_NOTFOUND) {
        TX_DBIO_LOG_ERR("SELECT au_center");
        tx_return(ctx, TX_EDB, ctx->out);
        return;
    }
    /* 상태 'U'(Up)=정상, 그 외는 장애로 간주 */
    primary_down = (strncmp(h_center_status, "U", 1) != 0);

    req = tx_buf_alloc();
    if (!req) {
        tx_return(ctx, TX_ENOMEM, ctx->out);
        return;
    }
    tx_buf_sets(req, "KEY", key);
    tx_buf_setlong(req, "AMOUNT", amount);

    if (!primary_down) {
        rc = tx_call("AU_ISSUER", req, ctx->out);
        if (rc != TX_OK) {
            tx_log(TX_LOG_WARN, "[AU_OL_0009] 주센터 응답실패 rc=%d, 대행 전환", rc);
            primary_down = 1;
        }
    } else {
        rc = TX_FAIL;
        tx_log(TX_LOG_WARN, "[AU_OL_0009] 주센터 장애(status=%s), 대행 전환",
               h_center_status);
    }

    if (primary_down) {
        tx_buf_reset(ctx->out);
        rc = tx_call("AU_STANDIN", req, ctx->out);
        standin = (rc == TX_OK);
    }
    tx_buf_free(req);

    if (rc != TX_OK) {
        tx_log(TX_LOG_ERROR, "[AU_OL_0009] 대행승인까지 실패 rc=%d", rc);
        tx_buf_sets(ctx->out, "RESPCODE", RESP_SYSERR);
        tx_return(ctx, rc, ctx->out);
        return;
    }

    tx_buf_sets(ctx->out, "STANDIN", standin ? "Y" : "N");

    /* 대행 처리분은 이력에 기록 */
    if (standin) {
        if (tx_begin() != TX_OK)
            tx_log(TX_LOG_WARN, "[AU_OL_0009] tx_begin 경고");
        { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "insert into au_standin_log ( req_key , req_amount , center_status ) values ( $1  , $2  , $3  )", 
	ECPGt_char,(h_key),(long)16,(long)1,(16)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, 
	ECPGt_long,&(h_amount),(long)1,(long)1,sizeof(long), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, 
	ECPGt_char,(h_center_status),(long)2,(long)1,(2)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EOIT, ECPGt_EORT);}
#line 105 "app/online/au_ol_0009.pgc"

        if (sqlca.sqlcode != TX_SQL_OK) {
            TX_DBIO_LOG_ERR("INSERT au_standin_log");
            tx_abort();
        } else {
            tx_commit();
        }
    }

    tx_log(TX_LOG_INFO, "[AU_OL_0009] fallback 처리완료 key=%s standin=%s",
           key, standin ? "Y" : "N");
    tx_return(ctx, TX_OK, ctx->out);
}
