dbreg_auto.c

/* 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/txn.h"

/*
 * PUBLIC: int __dbreg_register_log __P((DB_ENV *, DB_TXN *,
 * PUBLIC:     DB_LSN *, u_int32_t, u_int32_t, const DBT *, const DBT *,
 * PUBLIC:     int32_t, DBTYPE, db_pgno_t, u_int32_t));
 */
int
__dbreg_register_log(dbenv, txnid, ret_lsnp, flags,
    opcode, name, uid, fileid, ftype, meta_pgno,
    id)
        DB_ENV *dbenv;
        DB_TXN *txnid;
        DB_LSN *ret_lsnp;
        u_int32_t flags;
        u_int32_t opcode;
        const DBT *name;
        const DBT *uid;
        int32_t fileid;
        DBTYPE ftype;
        db_pgno_t meta_pgno;
        u_int32_t id;
{
        DBT logrec;
        DB_TXNLOGREC *lr;
        DB_LSN *lsnp, null_lsn, *rlsnp;
        u_int32_t zero, uinttmp, rectype, txn_num;
        u_int npad;
        u_int8_t *bp;
        int is_durable, ret;

        COMPQUIET(lr, NULL);

        rectype = DB___dbreg_register;
        npad = 0;
        rlsnp = ret_lsnp;

        ret = 0;

        if (LF_ISSET(DB_LOG_NOT_DURABLE)) {
                if (txnid == NULL)
                        return (0);
                is_durable = 0;
        } else
                is_durable = 1;

        if (txnid == NULL) {
                txn_num = 0;
                lsnp = &null_lsn;
                null_lsn.file = null_lsn.offset = 0;
        } else {
                if (TAILQ_FIRST(&txnid->kids) != NULL &&
                    (ret = __txn_activekids(dbenv, rectype, txnid)) != 0)
                        return (ret);
                /*
                 * We need to assign begin_lsn while holding region mutex.
                 * That assignment is done inside the DbEnv->log_put call,
                 * so pass in the appropriate memory location to be filled
                 * in by the log_put code.
                 */
                DB_SET_TXN_LSNP(txnid, &rlsnp, &lsnp);
                txn_num = txnid->txnid;
        }

        logrec.size = sizeof(rectype) + sizeof(txn_num) + sizeof(DB_LSN)
            + sizeof(u_int32_t)
            + sizeof(u_int32_t) + (name == NULL ? 0 : name->size)
            + sizeof(u_int32_t) + (uid == NULL ? 0 : uid->size)
            + sizeof(u_int32_t)
            + sizeof(u_int32_t)
            + sizeof(u_int32_t)
            + sizeof(u_int32_t);
        if (CRYPTO_ON(dbenv)) {
                npad =
                    ((DB_CIPHER *)dbenv->crypto_handle)->adj_size(logrec.size);
                logrec.size += npad;
        }

        if (is_durable || txnid == NULL) {
                if ((ret =
                    __os_malloc(dbenv, logrec.size, &logrec.data)) != 0)
                        return (ret);
        } else {
                if ((ret = __os_malloc(dbenv,
                    logrec.size + sizeof(DB_TXNLOGREC), &lr)) != 0)
                        return (ret);
#ifdef DIAGNOSTIC
                if ((ret =
                    __os_malloc(dbenv, logrec.size, &logrec.data)) != 0) {
                        __os_free(dbenv, lr);
                        return (ret);
                }
#else
                logrec.data = lr->data;
#endif
        }
        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);

        uinttmp = (u_int32_t)opcode;
        memcpy(bp, &uinttmp, sizeof(uinttmp));
        bp += sizeof(uinttmp);

        if (name == NULL) {
                zero = 0;
                memcpy(bp, &zero, sizeof(u_int32_t));
                bp += sizeof(u_int32_t);
        } else {
                memcpy(bp, &name->size, sizeof(name->size));
                bp += sizeof(name->size);
                memcpy(bp, name->data, name->size);
                bp += name->size;
        }

        if (uid == NULL) {
                zero = 0;
                memcpy(bp, &zero, sizeof(u_int32_t));
                bp += sizeof(u_int32_t);
        } else {
                memcpy(bp, &uid->size, sizeof(uid->size));
                bp += sizeof(uid->size);
                memcpy(bp, uid->data, uid->size);
                bp += uid->size;
        }

        uinttmp = (u_int32_t)fileid;
        memcpy(bp, &uinttmp, sizeof(uinttmp));
        bp += sizeof(uinttmp);

        uinttmp = (u_int32_t)ftype;
        memcpy(bp, &uinttmp, sizeof(uinttmp));
        bp += sizeof(uinttmp);

        uinttmp = (u_int32_t)meta_pgno;
        memcpy(bp, &uinttmp, sizeof(uinttmp));
        bp += sizeof(uinttmp);

        uinttmp = (u_int32_t)id;
        memcpy(bp, &uinttmp, sizeof(uinttmp));
        bp += sizeof(uinttmp);

        DB_ASSERT((u_int32_t)(bp - (u_int8_t *)logrec.data) <= logrec.size);

        if (is_durable || txnid == NULL) {
                if ((ret = __log_put(dbenv, rlsnp,(DBT *)&logrec,
                    flags | DB_LOG_NOCOPY)) == 0 && txnid != NULL) {
                        *lsnp = *rlsnp;
                        if (rlsnp != ret_lsnp)
                                 *ret_lsnp = *rlsnp;
                }
        } else {
#ifdef DIAGNOSTIC
                /*
                 * Set the debug bit if we are going to log non-durable
                 * transactions so they will be ignored by recovery.
                 */
                memcpy(lr->data, logrec.data, logrec.size);
                rectype |= DB_debug_FLAG;
                memcpy(logrec.data, &rectype, sizeof(rectype));

                ret = __log_put(dbenv,
                    rlsnp, (DBT *)&logrec, flags | DB_LOG_NOCOPY);
#else
                ret = 0;
#endif
                STAILQ_INSERT_HEAD(&txnid->logs, lr, links);
                F_SET((TXN_DETAIL *)txnid->td, TXN_DTL_INMEMORY);
                LSN_NOT_LOGGED(*ret_lsnp);
        }

#ifdef LOG_DIAGNOSTIC
        if (ret != 0)
                (void)__dbreg_register_print(dbenv,
                    (DBT *)&logrec, ret_lsnp, DB_TXN_PRINT, NULL);
#endif

#ifdef DIAGNOSTIC
        __os_free(dbenv, logrec.data);
#else
        if (is_durable || txnid == NULL)
                __os_free(dbenv, logrec.data);
#endif
        return (ret);
}

/*
 * PUBLIC: int __dbreg_register_read __P((DB_ENV *, void *,
 * PUBLIC:     __dbreg_register_args **));
 */
int
__dbreg_register_read(dbenv, recbuf, argpp)
        DB_ENV *dbenv;
        void *recbuf;
        __dbreg_register_args **argpp;
{
        __dbreg_register_args *argp;
        u_int32_t uinttmp;
        u_int8_t *bp;
        int ret;

        if ((ret = __os_malloc(dbenv,
            sizeof(__dbreg_register_args) + sizeof(DB_TXN), &argp)) != 0)
                return (ret);
        bp = recbuf;
        argp->txnid = (DB_TXN *)&argp[1];

        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->opcode = (u_int32_t)uinttmp;
        bp += sizeof(uinttmp);

        memset(&argp->name, 0, sizeof(argp->name));
        memcpy(&argp->name.size, bp, sizeof(u_int32_t));
        bp += sizeof(u_int32_t);
        argp->name.data = bp;
        bp += argp->name.size;

        memset(&argp->uid, 0, sizeof(argp->uid));
        memcpy(&argp->uid.size, bp, sizeof(u_int32_t));
        bp += sizeof(u_int32_t);
        argp->uid.data = bp;
        bp += argp->uid.size;

        memcpy(&uinttmp, bp, sizeof(uinttmp));
        argp->fileid = (int32_t)uinttmp;
        bp += sizeof(uinttmp);

        memcpy(&uinttmp, bp, sizeof(uinttmp));
        argp->ftype = (DBTYPE)uinttmp;
        bp += sizeof(uinttmp);

        memcpy(&uinttmp, bp, sizeof(uinttmp));
        argp->meta_pgno = (db_pgno_t)uinttmp;
        bp += sizeof(uinttmp);

        memcpy(&uinttmp, bp, sizeof(uinttmp));
        argp->id = (u_int32_t)uinttmp;
        bp += sizeof(uinttmp);

        *argpp = argp;
        return (0);
}

/*
 * PUBLIC: int __dbreg_init_recover __P((DB_ENV *, int (***)(DB_ENV *,
 * PUBLIC:     DBT *, DB_LSN *, db_recops, void *), size_t *));
 */
int
__dbreg_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,
            __dbreg_register_recover, DB___dbreg_register)) != 0)
                return (ret);
        return (0);
}

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