/* 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/mg_ol_0009.pgc"
/* @tier medium @module mg @transform msg-gateway-online */
/*
 * mg_ol_0009.pgc - 재전송 요청 처리 서비스 (MG_OL_0009)  [tier=medium]
 *
 * 처리키(KEY)로 원장을 조회하여 현재 상태로 재전송 가능여부를 판정한다.
 * 실패('U')/접수('R') 상태만 재전송 가능하며, 가능 시 재전송 큐(mg_queue)에
 * EXEC SQL 로 등록하고 큐 순번을 응답한다.
 */
#include <stdio.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 17 "app/online/mg_ol_0009.pgc"


TX_SERVICE(MG_OL_0009, ctx)
{
    /* exec sql begin declare section */
     
     
     
     
    
#line 22 "app/online/mg_ol_0009.pgc"
 char h_key [ 16 ] ;
 
#line 23 "app/online/mg_ol_0009.pgc"
 char h_status [ 2 ] ;
 
#line 24 "app/online/mg_ol_0009.pgc"
 long h_amount ;
 
#line 25 "app/online/mg_ol_0009.pgc"
 long h_seq ;
/* exec sql end declare section */
#line 26 "app/online/mg_ol_0009.pgc"


    char     key[16];
    mg_rec_t rec;
    int      rc;
    int      resendable;

    tx_log(TX_LOG_INFO, "[MG_OL_0009] 재전송 요청 처리 서비스 진입");

    /* 1) 재전송 대상 처리키 수신 */
    if (tx_buf_get(ctx->in, "KEY", key, sizeof(key)) != TX_OK || key[0] == '\0') {
        tx_log(TX_LOG_ERROR, "[MG_OL_0009] 처리키(KEY) 누락");
        tx_return(ctx, TX_EINVAL, ctx->out);
        return;
    }

    /* 2) 원장 조회 */
    memset(&rec, 0, sizeof(rec));
    rc = mg_rec_select(key, &rec);
    if (rc == TX_ENOENT) {
        tx_log(TX_LOG_WARN, "[MG_OL_0009] 재전송 대상 없음 key=%s", key);
        tx_buf_reset(ctx->out);
        tx_buf_sets(ctx->out, "RESP", RESP_INVALID);
        tx_return(ctx, TX_ENOENT, ctx->out);
        return;
    }
    if (rc != TX_OK) {
        tx_log(TX_LOG_ERROR, "[MG_OL_0009] 원장 조회 실패 key=%s rc=%d", key, rc);
        tx_return(ctx, rc, ctx->out);
        return;
    }

    /* 3) 상태 기반 재전송 가능여부 판정 */
    resendable = (strncmp(rec.status, MG_ST_FAIL, 1) == 0 ||
                  strncmp(rec.status, MG_ST_RECV, 1) == 0);
    if (!resendable) {
        tx_log(TX_LOG_WARN, "[MG_OL_0009] 재전송 불가 상태 key=%s status=%s",
               key, rec.status);
        tx_buf_reset(ctx->out);
        tx_buf_sets(ctx->out, "RESP", RESP_INVALID);
        tx_buf_sets(ctx->out, "STATUS", rec.status);
        tx_return(ctx, TX_FAIL, ctx->out);
        return;
    }

    /* 4) 재전송 큐 등록 */
    strncpy(h_key, rec.key, sizeof(h_key) - 1);   h_key[sizeof(h_key) - 1] = '\0';
    strncpy(h_status, rec.status, sizeof(h_status) - 1); h_status[sizeof(h_status) - 1] = '\0';
    h_amount = rec.amount;

    { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "insert into mg_queue ( proc_key , prev_status , amount , enq_ts , retry_cnt ) values ( $1  , $2  , $3  , now ( ) , 0 )", 
	ECPGt_char,(h_key),(long)16,(long)1,(16)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, 
	ECPGt_char,(h_status),(long)2,(long)1,(2)*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_EOIT, ECPGt_EORT);}
#line 78 "app/online/mg_ol_0009.pgc"


    if (sqlca.sqlcode != TX_SQL_OK) {
        TX_DBIO_LOG_ERR("MG_OL_0009 mg_queue insert");
        tx_buf_reset(ctx->out);
        tx_buf_sets(ctx->out, "RESP", RESP_SYSERR);
        tx_return(ctx, TX_EDB, ctx->out);
        return;
    }

    /* 5) 등록된 큐 순번 조회 */
    h_seq = 0;
    { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "select count ( * ) from mg_queue where proc_key = $1 ", 
	ECPGt_char,(h_key),(long)16,(long)1,(16)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EOIT, 
	ECPGt_long,&(h_seq),(long)1,(long)1,sizeof(long), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EORT);}
#line 90 "app/online/mg_ol_0009.pgc"

    if (sqlca.sqlcode != TX_SQL_OK)
        h_seq = -1;

    /* 6) 재전송 접수 응답 */
    tx_buf_reset(ctx->out);
    tx_buf_sets(ctx->out, "RESP", RESP_OK);
    tx_buf_sets(ctx->out, "KEY", rec.key);
    tx_buf_setlong(ctx->out, "QSEQ", h_seq);
    tx_buf_setlong(ctx->out, "AMOUNT", rec.amount);
    tx_log(TX_LOG_INFO, "[MG_OL_0009] 재전송 큐 등록완료 key=%s qseq=%ld", rec.key, h_seq);
    tx_return(ctx, TX_OK, ctx->out);
}
