/* Processed by ecpg (15.18 (Debian 15.18-0+deb12u1)) */ /* These include files are added by the preprocessor */ #include #include #include /* End of automatic include section */ #line 1 "app/online/mg_ol_0022.pgc" /* @tier medium @module mg @transform msg-gateway-online */ /* * mg_ol_0022.pgc - 전문게이트웨이 분할전문 재조립 서비스 (MG_OL_0022) [tier=medium] * * 대용량 전문을 분할 전송한 조각(FRAG00~FRAGnn)을 순서대로 병합해 원본 * 전문을 복원한다. 요청은 총조각수(TOTAL)와 각 조각(FRAGnn), 무결성용 * 총길이(TOTLEN)를 포함하며, 조각 결번/누락을 검증하고 병합 후 실제 * 길이와 선언 길이를 대조하여 완성전문(FULLMSG)을 응답한다. */ #include #include #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 18 "app/online/mg_ol_0022.pgc" #define MAX_FRAG 32 #define FULL_MAX 512 TX_SERVICE(MG_OL_0022, ctx) { char full[FULL_MAX]; char frag[128]; char fkey[12]; long total = 0; long totlen = 0; int filled = 0; int merged_len = 0; int i; tx_log(TX_LOG_INFO, "[MG_OL_0022] 분할전문 재조립 서비스 진입"); if (tx_buf_getlong(ctx->in, "TOTAL", &total) != TX_OK || total <= 0) { tx_log(TX_LOG_ERROR, "[MG_OL_0022] 총조각수(TOTAL) 누락/오류"); tx_return(ctx, TX_EINVAL, ctx->out); return; } if (total > MAX_FRAG) { tx_log(TX_LOG_WARN, "[MG_OL_0022] 조각수 초과 total=%ld max=%d", total, MAX_FRAG); tx_buf_reset(ctx->out); tx_buf_sets(ctx->out, "RESPCODE", RESP_INVALID); tx_return(ctx, TX_EINVAL, ctx->out); return; } tx_buf_getlong(ctx->in, "TOTLEN", &totlen); memset(full, 0, sizeof(full)); /* 조각을 SEQ 오름차순(0..TOTAL-1)으로 순서검증하며 병합 */ for (i = 0; i < (int)total; i++) { snprintf(fkey, sizeof(fkey), "FRAG%02d", i); if (tx_buf_get(ctx->in, fkey, frag, sizeof(frag)) != TX_OK) { tx_log(TX_LOG_ERROR, "[MG_OL_0022] 조각 결번 seq=%d key=%s", i, fkey); tx_buf_reset(ctx->out); tx_buf_sets(ctx->out, "RESPCODE", RESP_INVALID); tx_buf_setlong(ctx->out, "MISSINGSEQ", (long)i); tx_return(ctx, TX_FAIL, ctx->out); return; } { int flen = (int)strlen(frag); if (merged_len + flen >= FULL_MAX) { tx_log(TX_LOG_ERROR, "[MG_OL_0022] 재조립 버퍼 초과 at seq=%d", i); tx_buf_reset(ctx->out); tx_buf_sets(ctx->out, "RESPCODE", RESP_SYSERR); tx_return(ctx, TX_FAIL, ctx->out); return; } memcpy(full + merged_len, frag, flen); merged_len += flen; } filled++; } full[merged_len] = '\0'; /* 무결성 대조: 조각수 일치 + 선언 총길이 일치 */ if (filled != (int)total) { tx_log(TX_LOG_WARN, "[MG_OL_0022] 조각수 불일치 filled=%d total=%ld", filled, total); tx_buf_reset(ctx->out); tx_buf_sets(ctx->out, "RESPCODE", RESP_INVALID); tx_return(ctx, TX_FAIL, ctx->out); return; } if (totlen > 0 && totlen != (long)merged_len) { tx_log(TX_LOG_WARN, "[MG_OL_0022] 총길이 불일치 decl=%ld merged=%d", totlen, merged_len); tx_buf_reset(ctx->out); tx_buf_sets(ctx->out, "RESPCODE", RESP_INVALID); tx_buf_setlong(ctx->out, "MERGEDLEN", (long)merged_len); tx_return(ctx, TX_FAIL, ctx->out); return; } tx_buf_reset(ctx->out); tx_buf_sets(ctx->out, "RESPCODE", RESP_OK); tx_buf_sets(ctx->out, "FULLMSG", full); tx_buf_setlong(ctx->out, "FRAGCNT", (long)filled); tx_buf_setlong(ctx->out, "MERGEDLEN", (long)merged_len); /* 재조립 이력(mg_reasm_log)을 임베디드 SQL 로 적재 */ { /* exec sql begin declare section */ #line 106 "app/online/mg_ol_0022.pgc" long h_rs_frag ; #line 107 "app/online/mg_ol_0022.pgc" long h_rs_merged ; #line 108 "app/online/mg_ol_0022.pgc" long h_rs_decl ; /* exec sql end declare section */ #line 109 "app/online/mg_ol_0022.pgc" h_rs_frag = (long)filled; h_rs_merged = (long)merged_len; h_rs_decl = totlen; if (tx_begin() == TX_OK) { { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "insert into mg_reasm_log ( frag_cnt , merged_len , decl_len ) values ( $1 , $2 , $3 )", ECPGt_long,&(h_rs_frag),(long)1,(long)1,sizeof(long), ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_long,&(h_rs_merged),(long)1,(long)1,sizeof(long), ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_long,&(h_rs_decl),(long)1,(long)1,sizeof(long), ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EOIT, ECPGt_EORT);} #line 118 "app/online/mg_ol_0022.pgc" if (sqlca.sqlcode != TX_SQL_OK) { TX_DBIO_LOG_ERR("INSERT mg_reasm_log"); tx_abort(); } else { tx_commit(); } } } tx_log(TX_LOG_INFO, "[MG_OL_0022] 재조립 완료 조각=%d 길이=%d", filled, merged_len); tx_return(ctx, TX_OK, ctx->out); }