crdel_auto.c
上传用户:romrleung
上传日期:2022-05-23
资源大小:18897k
文件大小:8k
- /* Do not edit: automatically built by gen_rec.awk. */
- #include "db_config.h"
- #ifndef NO_SYSTEM_INCLUDES
- #include <sys/types.h>
- #include <ctype.h>
- #include <string.h>
- #endif
- #include "db_int.h"
- #include "dbinc/crypto.h"
- #include "dbinc/db_page.h"
- #include "dbinc/db_dispatch.h"
- #include "dbinc/db_am.h"
- #include "dbinc/log.h"
- #include "dbinc/rep.h"
- #include "dbinc/txn.h"
- /*
- * PUBLIC: int __crdel_metasub_log __P((DB *, DB_TXN *, DB_LSN *,
- * PUBLIC: u_int32_t, db_pgno_t, const DBT *, DB_LSN *));
- */
- int
- __crdel_metasub_log(dbp, txnid, ret_lsnp, flags, pgno, page, lsn)
- DB *dbp;
- DB_TXN *txnid;
- DB_LSN *ret_lsnp;
- u_int32_t flags;
- db_pgno_t pgno;
- const DBT *page;
- DB_LSN * lsn;
- {
- DBT logrec;
- DB_ENV *dbenv;
- DB_LSN *lsnp, null_lsn;
- u_int32_t zero;
- u_int32_t uinttmp;
- u_int32_t npad, rectype, txn_num;
- int ret;
- u_int8_t *bp;
- dbenv = dbp->dbenv;
- rectype = DB___crdel_metasub;
- npad = 0;
- if (txnid == NULL) {
- txn_num = 0;
- null_lsn.file = 0;
- null_lsn.offset = 0;
- lsnp = &null_lsn;
- } else {
- if (TAILQ_FIRST(&txnid->kids) != NULL &&
- (ret = __txn_activekids(dbenv, rectype, txnid)) != 0)
- return (ret);
- txn_num = txnid->txnid;
- lsnp = &txnid->last_lsn;
- }
- logrec.size = sizeof(rectype) + sizeof(txn_num) + sizeof(DB_LSN)
- + sizeof(u_int32_t)
- + sizeof(u_int32_t)
- + sizeof(u_int32_t) + (page == NULL ? 0 : page->size)
- + sizeof(*lsn);
- if (CRYPTO_ON(dbenv)) {
- npad =
- ((DB_CIPHER *)dbenv->crypto_handle)->adj_size(logrec.size);
- logrec.size += npad;
- }
- if ((ret = __os_malloc(dbenv,
- logrec.size, &logrec.data)) != 0)
- return (ret);
- if (npad > 0)
- memset((u_int8_t *)logrec.data + logrec.size - npad, 0, npad);
- bp = logrec.data;
- memcpy(bp, &rectype, sizeof(rectype));
- bp += sizeof(rectype);
- memcpy(bp, &txn_num, sizeof(txn_num));
- bp += sizeof(txn_num);
- memcpy(bp, lsnp, sizeof(DB_LSN));
- bp += sizeof(DB_LSN);
- DB_ASSERT(dbp->log_filename != NULL);
- if (dbp->log_filename->id == DB_LOGFILEID_INVALID &&
- (ret = __dbreg_lazy_id(dbp)) != 0)
- return (ret);
- uinttmp = (u_int32_t)dbp->log_filename->id;
- memcpy(bp, &uinttmp, sizeof(uinttmp));
- bp += sizeof(uinttmp);
- uinttmp = (u_int32_t)pgno;
- memcpy(bp, &uinttmp, sizeof(uinttmp));
- bp += sizeof(uinttmp);
- if (page == NULL) {
- zero = 0;
- memcpy(bp, &zero, sizeof(u_int32_t));
- bp += sizeof(u_int32_t);
- } else {
- memcpy(bp, &page->size, sizeof(page->size));
- bp += sizeof(page->size);
- memcpy(bp, page->data, page->size);
- bp += page->size;
- }
- if (lsn != NULL)
- memcpy(bp, lsn, sizeof(*lsn));
- else
- memset(bp, 0, sizeof(*lsn));
- bp += sizeof(*lsn);
- DB_ASSERT((u_int32_t)(bp - (u_int8_t *)logrec.data) <= logrec.size);
- ret = dbenv->log_put(dbenv,
- ret_lsnp, (DBT *)&logrec, flags | DB_NOCOPY);
- if (txnid != NULL && ret == 0)
- txnid->last_lsn = *ret_lsnp;
- #ifdef LOG_DIAGNOSTIC
- if (ret != 0)
- (void)__crdel_metasub_print(dbenv,
- (DBT *)&logrec, ret_lsnp, NULL, NULL);
- #endif
- __os_free(dbenv, logrec.data);
- return (ret);
- }
- /*
- * PUBLIC: int __crdel_metasub_getpgnos __P((DB_ENV *, DBT *,
- * PUBLIC: DB_LSN *, db_recops, void *));
- */
- int
- __crdel_metasub_getpgnos(dbenv, rec, lsnp, notused1, summary)
- DB_ENV *dbenv;
- DBT *rec;
- DB_LSN *lsnp;
- db_recops notused1;
- void *summary;
- {
- DB *dbp;
- TXN_RECS *t;
- __crdel_metasub_args *argp;
- u_int32_t ret;
- COMPQUIET(notused1, DB_TXN_ABORT);
- argp = NULL;
- t = (TXN_RECS *)summary;
- if ((ret = __crdel_metasub_read(dbenv, rec->data, &argp)) != 0)
- return (ret);
- if ((ret = __dbreg_id_to_db(dbenv,
- argp->txnid, &dbp, argp->fileid, 0)) != 0)
- goto err;
- if ((ret = __rep_check_alloc(dbenv, t, 1)) != 0)
- goto err;
- t->array[t->npages].flags = 0;
- t->array[t->npages].fid = argp->fileid;
- t->array[t->npages].lsn = *lsnp;
- t->array[t->npages].pgdesc.pgno = argp->pgno;
- t->array[t->npages].pgdesc.type = DB_PAGE_LOCK;
- memcpy(t->array[t->npages].pgdesc.fileid, dbp->fileid,
- DB_FILE_ID_LEN);
- t->npages++;
- err: if (argp != NULL)
- __os_free(dbenv, argp);
- return (ret);
- }
- /*
- * PUBLIC: int __crdel_metasub_print __P((DB_ENV *, DBT *, DB_LSN *,
- * PUBLIC: db_recops, void *));
- */
- int
- __crdel_metasub_print(dbenv, dbtp, lsnp, notused2, notused3)
- DB_ENV *dbenv;
- DBT *dbtp;
- DB_LSN *lsnp;
- db_recops notused2;
- void *notused3;
- {
- __crdel_metasub_args *argp;
- u_int32_t i;
- int ch;
- int ret;
- notused2 = DB_TXN_ABORT;
- notused3 = NULL;
- if ((ret = __crdel_metasub_read(dbenv, dbtp->data, &argp)) != 0)
- return (ret);
- (void)printf(
- "[%lu][%lu]__crdel_metasub: rec: %lu txnid %lx prevlsn [%lu][%lu]n",
- (u_long)lsnp->file,
- (u_long)lsnp->offset,
- (u_long)argp->type,
- (u_long)argp->txnid->txnid,
- (u_long)argp->prev_lsn.file,
- (u_long)argp->prev_lsn.offset);
- (void)printf("tfileid: %ldn", (long)argp->fileid);
- (void)printf("tpgno: %lun", (u_long)argp->pgno);
- (void)printf("tpage: ");
- for (i = 0; i < argp->page.size; i++) {
- ch = ((u_int8_t *)argp->page.data)[i];
- printf(isprint(ch) || ch == 0x0a ? "%c" : "%#x ", ch);
- }
- (void)printf("n");
- (void)printf("tlsn: [%lu][%lu]n",
- (u_long)argp->lsn.file, (u_long)argp->lsn.offset);
- (void)printf("n");
- __os_free(dbenv, argp);
- return (0);
- }
- /*
- * PUBLIC: int __crdel_metasub_read __P((DB_ENV *, void *,
- * PUBLIC: __crdel_metasub_args **));
- */
- int
- __crdel_metasub_read(dbenv, recbuf, argpp)
- DB_ENV *dbenv;
- void *recbuf;
- __crdel_metasub_args **argpp;
- {
- __crdel_metasub_args *argp;
- u_int32_t uinttmp;
- u_int8_t *bp;
- int ret;
- if ((ret = __os_malloc(dbenv,
- sizeof(__crdel_metasub_args) + sizeof(DB_TXN), &argp)) != 0)
- return (ret);
- argp->txnid = (DB_TXN *)&argp[1];
- bp = recbuf;
- memcpy(&argp->type, bp, sizeof(argp->type));
- bp += sizeof(argp->type);
- memcpy(&argp->txnid->txnid, bp, sizeof(argp->txnid->txnid));
- bp += sizeof(argp->txnid->txnid);
- memcpy(&argp->prev_lsn, bp, sizeof(DB_LSN));
- bp += sizeof(DB_LSN);
- memcpy(&uinttmp, bp, sizeof(uinttmp));
- argp->fileid = (int32_t)uinttmp;
- bp += sizeof(uinttmp);
- memcpy(&uinttmp, bp, sizeof(uinttmp));
- argp->pgno = (db_pgno_t)uinttmp;
- bp += sizeof(uinttmp);
- memset(&argp->page, 0, sizeof(argp->page));
- memcpy(&argp->page.size, bp, sizeof(u_int32_t));
- bp += sizeof(u_int32_t);
- argp->page.data = bp;
- bp += argp->page.size;
- memcpy(&argp->lsn, bp, sizeof(argp->lsn));
- bp += sizeof(argp->lsn);
- *argpp = argp;
- return (0);
- }
- /*
- * PUBLIC: int __crdel_init_print __P((DB_ENV *, int (***)(DB_ENV *,
- * PUBLIC: DBT *, DB_LSN *, db_recops, void *), size_t *));
- */
- int
- __crdel_init_print(dbenv, dtabp, dtabsizep)
- DB_ENV *dbenv;
- int (***dtabp)__P((DB_ENV *, DBT *, DB_LSN *, db_recops, void *));
- size_t *dtabsizep;
- {
- int ret;
- if ((ret = __db_add_recovery(dbenv, dtabp, dtabsizep,
- __crdel_metasub_print, DB___crdel_metasub)) != 0)
- return (ret);
- return (0);
- }
- /*
- * PUBLIC: int __crdel_init_getpgnos __P((DB_ENV *,
- * PUBLIC: int (***)(DB_ENV *, DBT *, DB_LSN *, db_recops, void *),
- * PUBLIC: size_t *));
- */
- int
- __crdel_init_getpgnos(dbenv, dtabp, dtabsizep)
- DB_ENV *dbenv;
- int (***dtabp)__P((DB_ENV *, DBT *, DB_LSN *, db_recops, void *));
- size_t *dtabsizep;
- {
- int ret;
- if ((ret = __db_add_recovery(dbenv, dtabp, dtabsizep,
- __crdel_metasub_getpgnos, DB___crdel_metasub)) != 0)
- return (ret);
- return (0);
- }
- /*
- * PUBLIC: int __crdel_init_recover __P((DB_ENV *, int (***)(DB_ENV *,
- * PUBLIC: DBT *, DB_LSN *, db_recops, void *), size_t *));
- */
- int
- __crdel_init_recover(dbenv, dtabp, dtabsizep)
- DB_ENV *dbenv;
- int (***dtabp)__P((DB_ENV *, DBT *, DB_LSN *, db_recops, void *));
- size_t *dtabsizep;
- {
- int ret;
- if ((ret = __db_add_recovery(dbenv, dtabp, dtabsizep,
- __crdel_metasub_recover, DB___crdel_metasub)) != 0)
- return (ret);
- return (0);
- }