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Sourcecode: db4.3 version File versions

qam_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/qam.h"
#include "dbinc/txn.h"

/*
 * PUBLIC: int __qam_incfirst_log __P((DB *, DB_TXN *, DB_LSN *,
 * PUBLIC:     u_int32_t, db_recno_t, db_pgno_t));
 */
int
__qam_incfirst_log(dbp, txnid, ret_lsnp, flags, recno, meta_pgno)
      DB *dbp;
      DB_TXN *txnid;
      DB_LSN *ret_lsnp;
      u_int32_t flags;
      db_recno_t recno;
      db_pgno_t meta_pgno;
{
      DBT logrec;
      DB_ENV *dbenv;
      DB_TXNLOGREC *lr;
      DB_LSN *lsnp, null_lsn, *rlsnp;
      u_int32_t uinttmp, rectype, txn_num;
      u_int npad;
      u_int8_t *bp;
      int is_durable, ret;

      dbenv = dbp->dbenv;
      COMPQUIET(lr, NULL);

      rectype = DB___qam_incfirst;
      npad = 0;
      rlsnp = ret_lsnp;

      ret = 0;

      if (LF_ISSET(DB_LOG_NOT_DURABLE) ||
          F_ISSET(dbp, DB_AM_NOT_DURABLE)) {
            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_BEGIN_LSNP(txnid, &rlsnp);
            txn_num = txnid->txnid;
            lsnp = &txnid->last_lsn;
      }

      DB_ASSERT(dbp->log_filename != NULL);
      if (dbp->log_filename->id == DB_LOGFILEID_INVALID &&
          (ret = __dbreg_lazy_id(dbp)) != 0)
            return (ret);

      logrec.size = sizeof(rectype) + sizeof(txn_num) + sizeof(DB_LSN)
          + 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)dbp->log_filename->id;
      memcpy(bp, &uinttmp, sizeof(uinttmp));
      bp += sizeof(uinttmp);

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

      uinttmp = (u_int32_t)meta_pgno;
      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) {
                  txnid->last_lsn = *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);
            LSN_NOT_LOGGED(*ret_lsnp);
      }

#ifdef LOG_DIAGNOSTIC
      if (ret != 0)
            (void)__qam_incfirst_print(dbenv,
                (DBT *)&logrec, ret_lsnp, NULL, 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 __qam_incfirst_read __P((DB_ENV *, void *,
 * PUBLIC:     __qam_incfirst_args **));
 */
int
__qam_incfirst_read(dbenv, recbuf, argpp)
      DB_ENV *dbenv;
      void *recbuf;
      __qam_incfirst_args **argpp;
{
      __qam_incfirst_args *argp;
      u_int32_t uinttmp;
      u_int8_t *bp;
      int ret;

      if ((ret = __os_malloc(dbenv,
          sizeof(__qam_incfirst_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->fileid = (int32_t)uinttmp;
      bp += sizeof(uinttmp);

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->recno = (db_recno_t)uinttmp;
      bp += sizeof(uinttmp);

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

      *argpp = argp;
      return (0);
}

/*
 * PUBLIC: int __qam_mvptr_log __P((DB *, DB_TXN *, DB_LSN *,
 * PUBLIC:     u_int32_t, u_int32_t, db_recno_t, db_recno_t, db_recno_t,
 * PUBLIC:     db_recno_t, DB_LSN *, db_pgno_t));
 */
int
__qam_mvptr_log(dbp, txnid, ret_lsnp, flags,
    opcode, old_first, new_first, old_cur, new_cur,
    metalsn, meta_pgno)
      DB *dbp;
      DB_TXN *txnid;
      DB_LSN *ret_lsnp;
      u_int32_t flags;
      u_int32_t opcode;
      db_recno_t old_first;
      db_recno_t new_first;
      db_recno_t old_cur;
      db_recno_t new_cur;
      DB_LSN * metalsn;
      db_pgno_t meta_pgno;
{
      DBT logrec;
      DB_ENV *dbenv;
      DB_TXNLOGREC *lr;
      DB_LSN *lsnp, null_lsn, *rlsnp;
      u_int32_t uinttmp, rectype, txn_num;
      u_int npad;
      u_int8_t *bp;
      int is_durable, ret;

      dbenv = dbp->dbenv;
      COMPQUIET(lr, NULL);

      rectype = DB___qam_mvptr;
      npad = 0;
      rlsnp = ret_lsnp;

      ret = 0;

      if (LF_ISSET(DB_LOG_NOT_DURABLE) ||
          F_ISSET(dbp, DB_AM_NOT_DURABLE)) {
            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_BEGIN_LSNP(txnid, &rlsnp);
            txn_num = txnid->txnid;
            lsnp = &txnid->last_lsn;
      }

      DB_ASSERT(dbp->log_filename != NULL);
      if (dbp->log_filename->id == DB_LOGFILEID_INVALID &&
          (ret = __dbreg_lazy_id(dbp)) != 0)
            return (ret);

      logrec.size = sizeof(rectype) + sizeof(txn_num) + sizeof(DB_LSN)
          + sizeof(u_int32_t)
          + sizeof(u_int32_t)
          + sizeof(u_int32_t)
          + sizeof(u_int32_t)
          + sizeof(u_int32_t)
          + sizeof(u_int32_t)
          + sizeof(*metalsn)
          + 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);

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

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

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

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

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

      if (metalsn != NULL)
            memcpy(bp, metalsn, sizeof(*metalsn));
      else
            memset(bp, 0, sizeof(*metalsn));
      bp += sizeof(*metalsn);

      uinttmp = (u_int32_t)meta_pgno;
      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) {
                  txnid->last_lsn = *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);
            LSN_NOT_LOGGED(*ret_lsnp);
      }

#ifdef LOG_DIAGNOSTIC
      if (ret != 0)
            (void)__qam_mvptr_print(dbenv,
                (DBT *)&logrec, ret_lsnp, NULL, 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 __qam_mvptr_read __P((DB_ENV *, void *, __qam_mvptr_args **));
 */
int
__qam_mvptr_read(dbenv, recbuf, argpp)
      DB_ENV *dbenv;
      void *recbuf;
      __qam_mvptr_args **argpp;
{
      __qam_mvptr_args *argp;
      u_int32_t uinttmp;
      u_int8_t *bp;
      int ret;

      if ((ret = __os_malloc(dbenv,
          sizeof(__qam_mvptr_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);

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

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->old_first = (db_recno_t)uinttmp;
      bp += sizeof(uinttmp);

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->new_first = (db_recno_t)uinttmp;
      bp += sizeof(uinttmp);

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->old_cur = (db_recno_t)uinttmp;
      bp += sizeof(uinttmp);

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->new_cur = (db_recno_t)uinttmp;
      bp += sizeof(uinttmp);

      memcpy(&argp->metalsn, bp,  sizeof(argp->metalsn));
      bp += sizeof(argp->metalsn);

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

      *argpp = argp;
      return (0);
}

/*
 * PUBLIC: int __qam_del_log __P((DB *, DB_TXN *, DB_LSN *,
 * PUBLIC:     u_int32_t, DB_LSN *, db_pgno_t, u_int32_t, db_recno_t));
 */
int
__qam_del_log(dbp, txnid, ret_lsnp, flags, lsn, pgno, indx, recno)
      DB *dbp;
      DB_TXN *txnid;
      DB_LSN *ret_lsnp;
      u_int32_t flags;
      DB_LSN * lsn;
      db_pgno_t pgno;
      u_int32_t indx;
      db_recno_t recno;
{
      DBT logrec;
      DB_ENV *dbenv;
      DB_TXNLOGREC *lr;
      DB_LSN *lsnp, null_lsn, *rlsnp;
      u_int32_t uinttmp, rectype, txn_num;
      u_int npad;
      u_int8_t *bp;
      int is_durable, ret;

      dbenv = dbp->dbenv;
      COMPQUIET(lr, NULL);

      rectype = DB___qam_del;
      npad = 0;
      rlsnp = ret_lsnp;

      ret = 0;

      if (LF_ISSET(DB_LOG_NOT_DURABLE) ||
          F_ISSET(dbp, DB_AM_NOT_DURABLE)) {
            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_BEGIN_LSNP(txnid, &rlsnp);
            txn_num = txnid->txnid;
            lsnp = &txnid->last_lsn;
      }

      DB_ASSERT(dbp->log_filename != NULL);
      if (dbp->log_filename->id == DB_LOGFILEID_INVALID &&
          (ret = __dbreg_lazy_id(dbp)) != 0)
            return (ret);

      logrec.size = sizeof(rectype) + sizeof(txn_num) + sizeof(DB_LSN)
          + sizeof(u_int32_t)
          + sizeof(*lsn)
          + 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)dbp->log_filename->id;
      memcpy(bp, &uinttmp, sizeof(uinttmp));
      bp += sizeof(uinttmp);

      if (lsn != NULL)
            memcpy(bp, lsn, sizeof(*lsn));
      else
            memset(bp, 0, sizeof(*lsn));
      bp += sizeof(*lsn);

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

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

      uinttmp = (u_int32_t)recno;
      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) {
                  txnid->last_lsn = *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);
            LSN_NOT_LOGGED(*ret_lsnp);
      }

#ifdef LOG_DIAGNOSTIC
      if (ret != 0)
            (void)__qam_del_print(dbenv,
                (DBT *)&logrec, ret_lsnp, NULL, 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 __qam_del_read __P((DB_ENV *, void *, __qam_del_args **));
 */
int
__qam_del_read(dbenv, recbuf, argpp)
      DB_ENV *dbenv;
      void *recbuf;
      __qam_del_args **argpp;
{
      __qam_del_args *argp;
      u_int32_t uinttmp;
      u_int8_t *bp;
      int ret;

      if ((ret = __os_malloc(dbenv,
          sizeof(__qam_del_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->fileid = (int32_t)uinttmp;
      bp += sizeof(uinttmp);

      memcpy(&argp->lsn, bp,  sizeof(argp->lsn));
      bp += sizeof(argp->lsn);

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

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

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->recno = (db_recno_t)uinttmp;
      bp += sizeof(uinttmp);

      *argpp = argp;
      return (0);
}

/*
 * PUBLIC: int __qam_add_log __P((DB *, DB_TXN *, DB_LSN *,
 * PUBLIC:     u_int32_t, DB_LSN *, db_pgno_t, u_int32_t, db_recno_t,
 * PUBLIC:     const DBT *, u_int32_t, const DBT *));
 */
int
__qam_add_log(dbp, txnid, ret_lsnp, flags, lsn, pgno, indx, recno, data,
    vflag, olddata)
      DB *dbp;
      DB_TXN *txnid;
      DB_LSN *ret_lsnp;
      u_int32_t flags;
      DB_LSN * lsn;
      db_pgno_t pgno;
      u_int32_t indx;
      db_recno_t recno;
      const DBT *data;
      u_int32_t vflag;
      const DBT *olddata;
{
      DBT logrec;
      DB_ENV *dbenv;
      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;

      dbenv = dbp->dbenv;
      COMPQUIET(lr, NULL);

      rectype = DB___qam_add;
      npad = 0;
      rlsnp = ret_lsnp;

      ret = 0;

      if (LF_ISSET(DB_LOG_NOT_DURABLE) ||
          F_ISSET(dbp, DB_AM_NOT_DURABLE)) {
            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_BEGIN_LSNP(txnid, &rlsnp);
            txn_num = txnid->txnid;
            lsnp = &txnid->last_lsn;
      }

      DB_ASSERT(dbp->log_filename != NULL);
      if (dbp->log_filename->id == DB_LOGFILEID_INVALID &&
          (ret = __dbreg_lazy_id(dbp)) != 0)
            return (ret);

      logrec.size = sizeof(rectype) + sizeof(txn_num) + sizeof(DB_LSN)
          + sizeof(u_int32_t)
          + sizeof(*lsn)
          + sizeof(u_int32_t)
          + sizeof(u_int32_t)
          + sizeof(u_int32_t)
          + sizeof(u_int32_t) + (data == NULL ? 0 : data->size)
          + sizeof(u_int32_t)
          + sizeof(u_int32_t) + (olddata == NULL ? 0 : olddata->size);
      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)dbp->log_filename->id;
      memcpy(bp, &uinttmp, sizeof(uinttmp));
      bp += sizeof(uinttmp);

      if (lsn != NULL)
            memcpy(bp, lsn, sizeof(*lsn));
      else
            memset(bp, 0, sizeof(*lsn));
      bp += sizeof(*lsn);

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

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

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

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

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

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

      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) {
                  txnid->last_lsn = *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);
            LSN_NOT_LOGGED(*ret_lsnp);
      }

#ifdef LOG_DIAGNOSTIC
      if (ret != 0)
            (void)__qam_add_print(dbenv,
                (DBT *)&logrec, ret_lsnp, NULL, 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 __qam_add_read __P((DB_ENV *, void *, __qam_add_args **));
 */
int
__qam_add_read(dbenv, recbuf, argpp)
      DB_ENV *dbenv;
      void *recbuf;
      __qam_add_args **argpp;
{
      __qam_add_args *argp;
      u_int32_t uinttmp;
      u_int8_t *bp;
      int ret;

      if ((ret = __os_malloc(dbenv,
          sizeof(__qam_add_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->fileid = (int32_t)uinttmp;
      bp += sizeof(uinttmp);

      memcpy(&argp->lsn, bp,  sizeof(argp->lsn));
      bp += sizeof(argp->lsn);

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

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

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->recno = (db_recno_t)uinttmp;
      bp += sizeof(uinttmp);

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

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

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

      *argpp = argp;
      return (0);
}

/*
 * PUBLIC: int __qam_delext_log __P((DB *, DB_TXN *, DB_LSN *,
 * PUBLIC:     u_int32_t, DB_LSN *, db_pgno_t, u_int32_t, db_recno_t,
 * PUBLIC:     const DBT *));
 */
int
__qam_delext_log(dbp, txnid, ret_lsnp, flags, lsn, pgno, indx, recno, data)
      DB *dbp;
      DB_TXN *txnid;
      DB_LSN *ret_lsnp;
      u_int32_t flags;
      DB_LSN * lsn;
      db_pgno_t pgno;
      u_int32_t indx;
      db_recno_t recno;
      const DBT *data;
{
      DBT logrec;
      DB_ENV *dbenv;
      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;

      dbenv = dbp->dbenv;
      COMPQUIET(lr, NULL);

      rectype = DB___qam_delext;
      npad = 0;
      rlsnp = ret_lsnp;

      ret = 0;

      if (LF_ISSET(DB_LOG_NOT_DURABLE) ||
          F_ISSET(dbp, DB_AM_NOT_DURABLE)) {
            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_BEGIN_LSNP(txnid, &rlsnp);
            txn_num = txnid->txnid;
            lsnp = &txnid->last_lsn;
      }

      DB_ASSERT(dbp->log_filename != NULL);
      if (dbp->log_filename->id == DB_LOGFILEID_INVALID &&
          (ret = __dbreg_lazy_id(dbp)) != 0)
            return (ret);

      logrec.size = sizeof(rectype) + sizeof(txn_num) + sizeof(DB_LSN)
          + sizeof(u_int32_t)
          + sizeof(*lsn)
          + sizeof(u_int32_t)
          + sizeof(u_int32_t)
          + sizeof(u_int32_t)
          + sizeof(u_int32_t) + (data == NULL ? 0 : data->size);
      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)dbp->log_filename->id;
      memcpy(bp, &uinttmp, sizeof(uinttmp));
      bp += sizeof(uinttmp);

      if (lsn != NULL)
            memcpy(bp, lsn, sizeof(*lsn));
      else
            memset(bp, 0, sizeof(*lsn));
      bp += sizeof(*lsn);

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

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

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

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

      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) {
                  txnid->last_lsn = *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);
            LSN_NOT_LOGGED(*ret_lsnp);
      }

#ifdef LOG_DIAGNOSTIC
      if (ret != 0)
            (void)__qam_delext_print(dbenv,
                (DBT *)&logrec, ret_lsnp, NULL, 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 __qam_delext_read __P((DB_ENV *, void *, __qam_delext_args **));
 */
int
__qam_delext_read(dbenv, recbuf, argpp)
      DB_ENV *dbenv;
      void *recbuf;
      __qam_delext_args **argpp;
{
      __qam_delext_args *argp;
      u_int32_t uinttmp;
      u_int8_t *bp;
      int ret;

      if ((ret = __os_malloc(dbenv,
          sizeof(__qam_delext_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->fileid = (int32_t)uinttmp;
      bp += sizeof(uinttmp);

      memcpy(&argp->lsn, bp,  sizeof(argp->lsn));
      bp += sizeof(argp->lsn);

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

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

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->recno = (db_recno_t)uinttmp;
      bp += sizeof(uinttmp);

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

      *argpp = argp;
      return (0);
}

/*
 * PUBLIC: int __qam_init_recover __P((DB_ENV *, int (***)(DB_ENV *,
 * PUBLIC:     DBT *, DB_LSN *, db_recops, void *), size_t *));
 */
int
__qam_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,
          __qam_incfirst_recover, DB___qam_incfirst)) != 0)
            return (ret);
      if ((ret = __db_add_recovery(dbenv, dtabp, dtabsizep,
          __qam_mvptr_recover, DB___qam_mvptr)) != 0)
            return (ret);
      if ((ret = __db_add_recovery(dbenv, dtabp, dtabsizep,
          __qam_del_recover, DB___qam_del)) != 0)
            return (ret);
      if ((ret = __db_add_recovery(dbenv, dtabp, dtabsizep,
          __qam_add_recover, DB___qam_add)) != 0)
            return (ret);
      if ((ret = __db_add_recovery(dbenv, dtabp, dtabsizep,
          __qam_delext_recover, DB___qam_delext)) != 0)
            return (ret);
      return (0);
}

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