Logo Search packages:      
Sourcecode: db version File versions

hash_auto.c

/* Do not edit: automatically built by gen_rec.awk. */

#include "db_config.h"

#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/hash.h"
#include "dbinc/log.h"
#include "dbinc/txn.h"

/*
 * PUBLIC: int __ham_insdel_log __P((DB *, DB_TXN *, DB_LSN *,
 * PUBLIC:     u_int32_t, u_int32_t, db_pgno_t, u_int32_t, DB_LSN *,
 * PUBLIC:     const DBT *, const DBT *));
 */
int
__ham_insdel_log(dbp, txnp, ret_lsnp, flags,
    opcode, pgno, ndx, pagelsn, key,
    data)
      DB *dbp;
      DB_TXN *txnp;
      DB_LSN *ret_lsnp;
      u_int32_t flags;
      u_int32_t opcode;
      db_pgno_t pgno;
      u_int32_t ndx;
      DB_LSN * pagelsn;
      const DBT *key;
      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___ham_insdel;
      npad = 0;
      rlsnp = ret_lsnp;

      ret = 0;

      if (LF_ISSET(DB_LOG_NOT_DURABLE) ||
          F_ISSET(dbp, DB_AM_NOT_DURABLE)) {
            if (txnp == NULL)
                  return (0);
            is_durable = 0;
      } else
            is_durable = 1;

      if (txnp == NULL) {
            txn_num = 0;
            lsnp = &null_lsn;
            null_lsn.file = null_lsn.offset = 0;
      } else {
            if (TAILQ_FIRST(&txnp->kids) != NULL &&
                (ret = __txn_activekids(dbenv, rectype, txnp)) != 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(txnp, &rlsnp, &lsnp);
            txn_num = txnp->txnid;
      }

      DB_ASSERT(dbenv, 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(*pagelsn)
          + sizeof(u_int32_t) + (key == NULL ? 0 : key->size)
          + 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 || txnp == 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)pgno;
      memcpy(bp, &uinttmp, sizeof(uinttmp));
      bp += sizeof(uinttmp);

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

      if (pagelsn != NULL) {
            if (txnp != NULL) {
                  LOG *lp = dbenv->lg_handle->reginfo.primary;
                  if (LOG_COMPARE(pagelsn, &lp->lsn) >= 0 && (ret =
                      __log_check_page_lsn(dbenv, dbp, pagelsn) != 0))
                        return (ret);
            }
            memcpy(bp, pagelsn, sizeof(*pagelsn));
      } else
            memset(bp, 0, sizeof(*pagelsn));
      bp += sizeof(*pagelsn);

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

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

      if (is_durable || txnp == NULL) {
            if ((ret = __log_put(dbenv, rlsnp,(DBT *)&logrec,
                flags | DB_LOG_NOCOPY)) == 0 && txnp != NULL) {
                  *lsnp = *rlsnp;
                  if (rlsnp != ret_lsnp)
                         *ret_lsnp = *rlsnp;
            }
      } else {
            ret = 0;
#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));

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

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

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

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

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

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

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

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

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

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

      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 __ham_newpage_log __P((DB *, DB_TXN *, DB_LSN *,
 * PUBLIC:     u_int32_t, u_int32_t, db_pgno_t, DB_LSN *, db_pgno_t, DB_LSN *,
 * PUBLIC:     db_pgno_t, DB_LSN *));
 */
int
__ham_newpage_log(dbp, txnp, ret_lsnp, flags,
    opcode, prev_pgno, prevlsn, new_pgno, pagelsn,
    next_pgno, nextlsn)
      DB *dbp;
      DB_TXN *txnp;
      DB_LSN *ret_lsnp;
      u_int32_t flags;
      u_int32_t opcode;
      db_pgno_t prev_pgno;
      DB_LSN * prevlsn;
      db_pgno_t new_pgno;
      DB_LSN * pagelsn;
      db_pgno_t next_pgno;
      DB_LSN * nextlsn;
{
      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___ham_newpage;
      npad = 0;
      rlsnp = ret_lsnp;

      ret = 0;

      if (LF_ISSET(DB_LOG_NOT_DURABLE) ||
          F_ISSET(dbp, DB_AM_NOT_DURABLE)) {
            if (txnp == NULL)
                  return (0);
            is_durable = 0;
      } else
            is_durable = 1;

      if (txnp == NULL) {
            txn_num = 0;
            lsnp = &null_lsn;
            null_lsn.file = null_lsn.offset = 0;
      } else {
            if (TAILQ_FIRST(&txnp->kids) != NULL &&
                (ret = __txn_activekids(dbenv, rectype, txnp)) != 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(txnp, &rlsnp, &lsnp);
            txn_num = txnp->txnid;
      }

      DB_ASSERT(dbenv, 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(*prevlsn)
          + sizeof(u_int32_t)
          + sizeof(*pagelsn)
          + sizeof(u_int32_t)
          + sizeof(*nextlsn);
      if (CRYPTO_ON(dbenv)) {
            npad =
                ((DB_CIPHER *)dbenv->crypto_handle)->adj_size(logrec.size);
            logrec.size += npad;
      }

      if (is_durable || txnp == 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)prev_pgno;
      memcpy(bp, &uinttmp, sizeof(uinttmp));
      bp += sizeof(uinttmp);

      if (prevlsn != NULL) {
            if (txnp != NULL) {
                  LOG *lp = dbenv->lg_handle->reginfo.primary;
                  if (LOG_COMPARE(prevlsn, &lp->lsn) >= 0 && (ret =
                      __log_check_page_lsn(dbenv, dbp, prevlsn) != 0))
                        return (ret);
            }
            memcpy(bp, prevlsn, sizeof(*prevlsn));
      } else
            memset(bp, 0, sizeof(*prevlsn));
      bp += sizeof(*prevlsn);

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

      if (pagelsn != NULL) {
            if (txnp != NULL) {
                  LOG *lp = dbenv->lg_handle->reginfo.primary;
                  if (LOG_COMPARE(pagelsn, &lp->lsn) >= 0 && (ret =
                      __log_check_page_lsn(dbenv, dbp, pagelsn) != 0))
                        return (ret);
            }
            memcpy(bp, pagelsn, sizeof(*pagelsn));
      } else
            memset(bp, 0, sizeof(*pagelsn));
      bp += sizeof(*pagelsn);

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

      if (nextlsn != NULL) {
            if (txnp != NULL) {
                  LOG *lp = dbenv->lg_handle->reginfo.primary;
                  if (LOG_COMPARE(nextlsn, &lp->lsn) >= 0 && (ret =
                      __log_check_page_lsn(dbenv, dbp, nextlsn) != 0))
                        return (ret);
            }
            memcpy(bp, nextlsn, sizeof(*nextlsn));
      } else
            memset(bp, 0, sizeof(*nextlsn));
      bp += sizeof(*nextlsn);

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

      if (is_durable || txnp == NULL) {
            if ((ret = __log_put(dbenv, rlsnp,(DBT *)&logrec,
                flags | DB_LOG_NOCOPY)) == 0 && txnp != NULL) {
                  *lsnp = *rlsnp;
                  if (rlsnp != ret_lsnp)
                         *ret_lsnp = *rlsnp;
            }
      } else {
            ret = 0;
#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));

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

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

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

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

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

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

      memcpy(&argp->txnp->txnid, bp, sizeof(argp->txnp->txnid));
      bp += sizeof(argp->txnp->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->prev_pgno = (db_pgno_t)uinttmp;
      bp += sizeof(uinttmp);

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

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

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

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

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

      *argpp = argp;
      return (0);
}

/*
 * PUBLIC: int __ham_splitdata_log __P((DB *, DB_TXN *, DB_LSN *,
 * PUBLIC:     u_int32_t, u_int32_t, db_pgno_t, const DBT *, DB_LSN *));
 */
int
__ham_splitdata_log(dbp, txnp, ret_lsnp, flags, opcode, pgno, pageimage, pagelsn)
      DB *dbp;
      DB_TXN *txnp;
      DB_LSN *ret_lsnp;
      u_int32_t flags;
      u_int32_t opcode;
      db_pgno_t pgno;
      const DBT *pageimage;
      DB_LSN * pagelsn;
{
      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___ham_splitdata;
      npad = 0;
      rlsnp = ret_lsnp;

      ret = 0;

      if (LF_ISSET(DB_LOG_NOT_DURABLE) ||
          F_ISSET(dbp, DB_AM_NOT_DURABLE)) {
            if (txnp == NULL)
                  return (0);
            is_durable = 0;
      } else
            is_durable = 1;

      if (txnp == NULL) {
            txn_num = 0;
            lsnp = &null_lsn;
            null_lsn.file = null_lsn.offset = 0;
      } else {
            if (TAILQ_FIRST(&txnp->kids) != NULL &&
                (ret = __txn_activekids(dbenv, rectype, txnp)) != 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(txnp, &rlsnp, &lsnp);
            txn_num = txnp->txnid;
      }

      DB_ASSERT(dbenv, 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) + (pageimage == NULL ? 0 : pageimage->size)
          + sizeof(*pagelsn);
      if (CRYPTO_ON(dbenv)) {
            npad =
                ((DB_CIPHER *)dbenv->crypto_handle)->adj_size(logrec.size);
            logrec.size += npad;
      }

      if (is_durable || txnp == 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)opcode;
      memcpy(bp, &uinttmp, sizeof(uinttmp));
      bp += sizeof(uinttmp);

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

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

      if (pagelsn != NULL) {
            if (txnp != NULL) {
                  LOG *lp = dbenv->lg_handle->reginfo.primary;
                  if (LOG_COMPARE(pagelsn, &lp->lsn) >= 0 && (ret =
                      __log_check_page_lsn(dbenv, dbp, pagelsn) != 0))
                        return (ret);
            }
            memcpy(bp, pagelsn, sizeof(*pagelsn));
      } else
            memset(bp, 0, sizeof(*pagelsn));
      bp += sizeof(*pagelsn);

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

      if (is_durable || txnp == NULL) {
            if ((ret = __log_put(dbenv, rlsnp,(DBT *)&logrec,
                flags | DB_LOG_NOCOPY)) == 0 && txnp != NULL) {
                  *lsnp = *rlsnp;
                  if (rlsnp != ret_lsnp)
                         *ret_lsnp = *rlsnp;
            }
      } else {
            ret = 0;
#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));

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

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

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

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

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

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

      memcpy(&argp->txnp->txnid, bp, sizeof(argp->txnp->txnid));
      bp += sizeof(argp->txnp->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->opcode = (u_int32_t)uinttmp;
      bp += sizeof(uinttmp);

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

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

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

      *argpp = argp;
      return (0);
}

/*
 * PUBLIC: int __ham_replace_log __P((DB *, DB_TXN *, DB_LSN *,
 * PUBLIC:     u_int32_t, db_pgno_t, u_int32_t, DB_LSN *, int32_t, const DBT *,
 * PUBLIC:     const DBT *, u_int32_t));
 */
int
__ham_replace_log(dbp, txnp, ret_lsnp, flags, pgno, ndx, pagelsn, off, olditem,
    newitem, makedup)
      DB *dbp;
      DB_TXN *txnp;
      DB_LSN *ret_lsnp;
      u_int32_t flags;
      db_pgno_t pgno;
      u_int32_t ndx;
      DB_LSN * pagelsn;
      int32_t off;
      const DBT *olditem;
      const DBT *newitem;
      u_int32_t makedup;
{
      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___ham_replace;
      npad = 0;
      rlsnp = ret_lsnp;

      ret = 0;

      if (LF_ISSET(DB_LOG_NOT_DURABLE) ||
          F_ISSET(dbp, DB_AM_NOT_DURABLE)) {
            if (txnp == NULL)
                  return (0);
            is_durable = 0;
      } else
            is_durable = 1;

      if (txnp == NULL) {
            txn_num = 0;
            lsnp = &null_lsn;
            null_lsn.file = null_lsn.offset = 0;
      } else {
            if (TAILQ_FIRST(&txnp->kids) != NULL &&
                (ret = __txn_activekids(dbenv, rectype, txnp)) != 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(txnp, &rlsnp, &lsnp);
            txn_num = txnp->txnid;
      }

      DB_ASSERT(dbenv, 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(*pagelsn)
          + sizeof(u_int32_t)
          + sizeof(u_int32_t) + (olditem == NULL ? 0 : olditem->size)
          + sizeof(u_int32_t) + (newitem == NULL ? 0 : newitem->size)
          + sizeof(u_int32_t);
      if (CRYPTO_ON(dbenv)) {
            npad =
                ((DB_CIPHER *)dbenv->crypto_handle)->adj_size(logrec.size);
            logrec.size += npad;
      }

      if (is_durable || txnp == 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)pgno;
      memcpy(bp, &uinttmp, sizeof(uinttmp));
      bp += sizeof(uinttmp);

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

      if (pagelsn != NULL) {
            if (txnp != NULL) {
                  LOG *lp = dbenv->lg_handle->reginfo.primary;
                  if (LOG_COMPARE(pagelsn, &lp->lsn) >= 0 && (ret =
                      __log_check_page_lsn(dbenv, dbp, pagelsn) != 0))
                        return (ret);
            }
            memcpy(bp, pagelsn, sizeof(*pagelsn));
      } else
            memset(bp, 0, sizeof(*pagelsn));
      bp += sizeof(*pagelsn);

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

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

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

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

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

      if (is_durable || txnp == NULL) {
            if ((ret = __log_put(dbenv, rlsnp,(DBT *)&logrec,
                flags | DB_LOG_NOCOPY)) == 0 && txnp != NULL) {
                  *lsnp = *rlsnp;
                  if (rlsnp != ret_lsnp)
                         *ret_lsnp = *rlsnp;
            }
      } else {
            ret = 0;
#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));

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

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

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

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

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

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

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

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

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

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

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

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

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

      *argpp = argp;
      return (0);
}

/*
 * PUBLIC: int __ham_copypage_log __P((DB *, DB_TXN *, DB_LSN *,
 * PUBLIC:     u_int32_t, db_pgno_t, DB_LSN *, db_pgno_t, DB_LSN *, db_pgno_t,
 * PUBLIC:     DB_LSN *, const DBT *));
 */
int
__ham_copypage_log(dbp, txnp, ret_lsnp, flags, pgno, pagelsn, next_pgno, nextlsn, nnext_pgno,
    nnextlsn, page)
      DB *dbp;
      DB_TXN *txnp;
      DB_LSN *ret_lsnp;
      u_int32_t flags;
      db_pgno_t pgno;
      DB_LSN * pagelsn;
      db_pgno_t next_pgno;
      DB_LSN * nextlsn;
      db_pgno_t nnext_pgno;
      DB_LSN * nnextlsn;
      const DBT *page;
{
      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___ham_copypage;
      npad = 0;
      rlsnp = ret_lsnp;

      ret = 0;

      if (LF_ISSET(DB_LOG_NOT_DURABLE) ||
          F_ISSET(dbp, DB_AM_NOT_DURABLE)) {
            if (txnp == NULL)
                  return (0);
            is_durable = 0;
      } else
            is_durable = 1;

      if (txnp == NULL) {
            txn_num = 0;
            lsnp = &null_lsn;
            null_lsn.file = null_lsn.offset = 0;
      } else {
            if (TAILQ_FIRST(&txnp->kids) != NULL &&
                (ret = __txn_activekids(dbenv, rectype, txnp)) != 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(txnp, &rlsnp, &lsnp);
            txn_num = txnp->txnid;
      }

      DB_ASSERT(dbenv, 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(*pagelsn)
          + sizeof(u_int32_t)
          + sizeof(*nextlsn)
          + sizeof(u_int32_t)
          + sizeof(*nnextlsn)
          + sizeof(u_int32_t) + (page == NULL ? 0 : page->size);
      if (CRYPTO_ON(dbenv)) {
            npad =
                ((DB_CIPHER *)dbenv->crypto_handle)->adj_size(logrec.size);
            logrec.size += npad;
      }

      if (is_durable || txnp == 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)pgno;
      memcpy(bp, &uinttmp, sizeof(uinttmp));
      bp += sizeof(uinttmp);

      if (pagelsn != NULL) {
            if (txnp != NULL) {
                  LOG *lp = dbenv->lg_handle->reginfo.primary;
                  if (LOG_COMPARE(pagelsn, &lp->lsn) >= 0 && (ret =
                      __log_check_page_lsn(dbenv, dbp, pagelsn) != 0))
                        return (ret);
            }
            memcpy(bp, pagelsn, sizeof(*pagelsn));
      } else
            memset(bp, 0, sizeof(*pagelsn));
      bp += sizeof(*pagelsn);

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

      if (nextlsn != NULL) {
            if (txnp != NULL) {
                  LOG *lp = dbenv->lg_handle->reginfo.primary;
                  if (LOG_COMPARE(nextlsn, &lp->lsn) >= 0 && (ret =
                      __log_check_page_lsn(dbenv, dbp, nextlsn) != 0))
                        return (ret);
            }
            memcpy(bp, nextlsn, sizeof(*nextlsn));
      } else
            memset(bp, 0, sizeof(*nextlsn));
      bp += sizeof(*nextlsn);

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

      if (nnextlsn != NULL) {
            if (txnp != NULL) {
                  LOG *lp = dbenv->lg_handle->reginfo.primary;
                  if (LOG_COMPARE(nnextlsn, &lp->lsn) >= 0 && (ret =
                      __log_check_page_lsn(dbenv, dbp, nnextlsn) != 0))
                        return (ret);
            }
            memcpy(bp, nnextlsn, sizeof(*nnextlsn));
      } else
            memset(bp, 0, sizeof(*nnextlsn));
      bp += sizeof(*nnextlsn);

      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;
      }

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

      if (is_durable || txnp == NULL) {
            if ((ret = __log_put(dbenv, rlsnp,(DBT *)&logrec,
                flags | DB_LOG_NOCOPY)) == 0 && txnp != NULL) {
                  *lsnp = *rlsnp;
                  if (rlsnp != ret_lsnp)
                         *ret_lsnp = *rlsnp;
            }
      } else {
            ret = 0;
#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));

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

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

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

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

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

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

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

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

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

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

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

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

      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;

      *argpp = argp;
      return (0);
}

/*
 * PUBLIC: int __ham_metagroup_42_read __P((DB_ENV *, void *,
 * PUBLIC:     __ham_metagroup_42_args **));
 */
int
__ham_metagroup_42_read(dbenv, recbuf, argpp)
      DB_ENV *dbenv;
      void *recbuf;
      __ham_metagroup_42_args **argpp;
{
      __ham_metagroup_42_args *argp;
      u_int32_t uinttmp;
      u_int8_t *bp;
      int ret;

      if ((ret = __os_malloc(dbenv,
          sizeof(__ham_metagroup_42_args) + sizeof(DB_TXN), &argp)) != 0)
            return (ret);
      bp = recbuf;
      argp->txnp = (DB_TXN *)&argp[1];
      memset(argp->txnp, 0, sizeof(DB_TXN));

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

      memcpy(&argp->txnp->txnid, bp, sizeof(argp->txnp->txnid));
      bp += sizeof(argp->txnp->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->bucket = (u_int32_t)uinttmp;
      bp += sizeof(uinttmp);

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

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

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

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

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

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

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

      *argpp = argp;
      return (0);
}

/*
 * PUBLIC: int __ham_metagroup_log __P((DB *, DB_TXN *, DB_LSN *,
 * PUBLIC:     u_int32_t, u_int32_t, db_pgno_t, DB_LSN *, db_pgno_t, DB_LSN *,
 * PUBLIC:     db_pgno_t, DB_LSN *, u_int32_t, db_pgno_t));
 */
int
__ham_metagroup_log(dbp, txnp, ret_lsnp, flags, bucket, mmpgno, mmetalsn, mpgno, metalsn,
    pgno, pagelsn, newalloc, last_pgno)
      DB *dbp;
      DB_TXN *txnp;
      DB_LSN *ret_lsnp;
      u_int32_t flags;
      u_int32_t bucket;
      db_pgno_t mmpgno;
      DB_LSN * mmetalsn;
      db_pgno_t mpgno;
      DB_LSN * metalsn;
      db_pgno_t pgno;
      DB_LSN * pagelsn;
      u_int32_t newalloc;
      db_pgno_t last_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___ham_metagroup;
      npad = 0;
      rlsnp = ret_lsnp;

      ret = 0;

      if (LF_ISSET(DB_LOG_NOT_DURABLE) ||
          F_ISSET(dbp, DB_AM_NOT_DURABLE)) {
            if (txnp == NULL)
                  return (0);
            is_durable = 0;
      } else
            is_durable = 1;

      if (txnp == NULL) {
            txn_num = 0;
            lsnp = &null_lsn;
            null_lsn.file = null_lsn.offset = 0;
      } else {
            if (TAILQ_FIRST(&txnp->kids) != NULL &&
                (ret = __txn_activekids(dbenv, rectype, txnp)) != 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(txnp, &rlsnp, &lsnp);
            txn_num = txnp->txnid;
      }

      DB_ASSERT(dbenv, 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(*mmetalsn)
          + sizeof(u_int32_t)
          + sizeof(*metalsn)
          + sizeof(u_int32_t)
          + sizeof(*pagelsn)
          + 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 || txnp == 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)bucket;
      memcpy(bp, &uinttmp, sizeof(uinttmp));
      bp += sizeof(uinttmp);

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

      if (mmetalsn != NULL) {
            if (txnp != NULL) {
                  LOG *lp = dbenv->lg_handle->reginfo.primary;
                  if (LOG_COMPARE(mmetalsn, &lp->lsn) >= 0 && (ret =
                      __log_check_page_lsn(dbenv, dbp, mmetalsn) != 0))
                        return (ret);
            }
            memcpy(bp, mmetalsn, sizeof(*mmetalsn));
      } else
            memset(bp, 0, sizeof(*mmetalsn));
      bp += sizeof(*mmetalsn);

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

      if (metalsn != NULL) {
            if (txnp != NULL) {
                  LOG *lp = dbenv->lg_handle->reginfo.primary;
                  if (LOG_COMPARE(metalsn, &lp->lsn) >= 0 && (ret =
                      __log_check_page_lsn(dbenv, dbp, metalsn) != 0))
                        return (ret);
            }
            memcpy(bp, metalsn, sizeof(*metalsn));
      } else
            memset(bp, 0, sizeof(*metalsn));
      bp += sizeof(*metalsn);

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

      if (pagelsn != NULL) {
            if (txnp != NULL) {
                  LOG *lp = dbenv->lg_handle->reginfo.primary;
                  if (LOG_COMPARE(pagelsn, &lp->lsn) >= 0 && (ret =
                      __log_check_page_lsn(dbenv, dbp, pagelsn) != 0))
                        return (ret);
            }
            memcpy(bp, pagelsn, sizeof(*pagelsn));
      } else
            memset(bp, 0, sizeof(*pagelsn));
      bp += sizeof(*pagelsn);

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

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

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

      if (is_durable || txnp == NULL) {
            if ((ret = __log_put(dbenv, rlsnp,(DBT *)&logrec,
                flags | DB_LOG_NOCOPY)) == 0 && txnp != NULL) {
                  *lsnp = *rlsnp;
                  if (rlsnp != ret_lsnp)
                         *ret_lsnp = *rlsnp;
            }
      } else {
            ret = 0;
#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));

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

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

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

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

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

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

      memcpy(&argp->txnp->txnid, bp, sizeof(argp->txnp->txnid));
      bp += sizeof(argp->txnp->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->bucket = (u_int32_t)uinttmp;
      bp += sizeof(uinttmp);

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

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

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

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

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

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

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

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

      *argpp = argp;
      return (0);
}

/*
 * PUBLIC: int __ham_groupalloc_42_read __P((DB_ENV *, void *,
 * PUBLIC:     __ham_groupalloc_42_args **));
 */
int
__ham_groupalloc_42_read(dbenv, recbuf, argpp)
      DB_ENV *dbenv;
      void *recbuf;
      __ham_groupalloc_42_args **argpp;
{
      __ham_groupalloc_42_args *argp;
      u_int32_t uinttmp;
      u_int8_t *bp;
      int ret;

      if ((ret = __os_malloc(dbenv,
          sizeof(__ham_groupalloc_42_args) + sizeof(DB_TXN), &argp)) != 0)
            return (ret);
      bp = recbuf;
      argp->txnp = (DB_TXN *)&argp[1];
      memset(argp->txnp, 0, sizeof(DB_TXN));

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

      memcpy(&argp->txnp->txnid, bp, sizeof(argp->txnp->txnid));
      bp += sizeof(argp->txnp->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->meta_lsn, bp,  sizeof(argp->meta_lsn));
      bp += sizeof(argp->meta_lsn);

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

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

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

      *argpp = argp;
      return (0);
}

/*
 * PUBLIC: int __ham_groupalloc_log __P((DB *, DB_TXN *, DB_LSN *,
 * PUBLIC:     u_int32_t, DB_LSN *, db_pgno_t, u_int32_t, db_pgno_t,
 * PUBLIC:     db_pgno_t));
 */
int
__ham_groupalloc_log(dbp, txnp, ret_lsnp, flags, meta_lsn, start_pgno, num, unused, last_pgno)
      DB *dbp;
      DB_TXN *txnp;
      DB_LSN *ret_lsnp;
      u_int32_t flags;
      DB_LSN * meta_lsn;
      db_pgno_t start_pgno;
      u_int32_t num;
      db_pgno_t unused;
      db_pgno_t last_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___ham_groupalloc;
      npad = 0;
      rlsnp = ret_lsnp;

      ret = 0;

      if (LF_ISSET(DB_LOG_NOT_DURABLE) ||
          F_ISSET(dbp, DB_AM_NOT_DURABLE)) {
            if (txnp == NULL)
                  return (0);
            is_durable = 0;
      } else
            is_durable = 1;

      if (txnp == NULL) {
            txn_num = 0;
            lsnp = &null_lsn;
            null_lsn.file = null_lsn.offset = 0;
      } else {
            if (TAILQ_FIRST(&txnp->kids) != NULL &&
                (ret = __txn_activekids(dbenv, rectype, txnp)) != 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(txnp, &rlsnp, &lsnp);
            txn_num = txnp->txnid;
      }

      DB_ASSERT(dbenv, 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(*meta_lsn)
          + 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 || txnp == 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 (meta_lsn != NULL) {
            if (txnp != NULL) {
                  LOG *lp = dbenv->lg_handle->reginfo.primary;
                  if (LOG_COMPARE(meta_lsn, &lp->lsn) >= 0 && (ret =
                      __log_check_page_lsn(dbenv, dbp, meta_lsn) != 0))
                        return (ret);
            }
            memcpy(bp, meta_lsn, sizeof(*meta_lsn));
      } else
            memset(bp, 0, sizeof(*meta_lsn));
      bp += sizeof(*meta_lsn);

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

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

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

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

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

      if (is_durable || txnp == NULL) {
            if ((ret = __log_put(dbenv, rlsnp,(DBT *)&logrec,
                flags | DB_LOG_NOCOPY)) == 0 && txnp != NULL) {
                  *lsnp = *rlsnp;
                  if (rlsnp != ret_lsnp)
                         *ret_lsnp = *rlsnp;
            }
      } else {
            ret = 0;
#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));

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

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

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

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

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

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

      memcpy(&argp->txnp->txnid, bp, sizeof(argp->txnp->txnid));
      bp += sizeof(argp->txnp->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->meta_lsn, bp,  sizeof(argp->meta_lsn));
      bp += sizeof(argp->meta_lsn);

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

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

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

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

      *argpp = argp;
      return (0);
}

/*
 * PUBLIC: int __ham_curadj_log __P((DB *, DB_TXN *, DB_LSN *,
 * PUBLIC:     u_int32_t, db_pgno_t, u_int32_t, u_int32_t, u_int32_t, int, int,
 * PUBLIC:     u_int32_t));
 */
int
__ham_curadj_log(dbp, txnp, ret_lsnp, flags, pgno, indx, len, dup_off, add,
    is_dup, order)
      DB *dbp;
      DB_TXN *txnp;
      DB_LSN *ret_lsnp;
      u_int32_t flags;
      db_pgno_t pgno;
      u_int32_t indx;
      u_int32_t len;
      u_int32_t dup_off;
      int add;
      int is_dup;
      u_int32_t order;
{
      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___ham_curadj;
      npad = 0;
      rlsnp = ret_lsnp;

      ret = 0;

      if (LF_ISSET(DB_LOG_NOT_DURABLE) ||
          F_ISSET(dbp, DB_AM_NOT_DURABLE)) {
            if (txnp == NULL)
                  return (0);
            is_durable = 0;
      } else
            is_durable = 1;

      if (txnp == NULL) {
            txn_num = 0;
            lsnp = &null_lsn;
            null_lsn.file = null_lsn.offset = 0;
      } else {
            if (TAILQ_FIRST(&txnp->kids) != NULL &&
                (ret = __txn_activekids(dbenv, rectype, txnp)) != 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(txnp, &rlsnp, &lsnp);
            txn_num = txnp->txnid;
      }

      DB_ASSERT(dbenv, 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(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 || txnp == 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)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)len;
      memcpy(bp, &uinttmp, sizeof(uinttmp));
      bp += sizeof(uinttmp);

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

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

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

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

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

      if (is_durable || txnp == NULL) {
            if ((ret = __log_put(dbenv, rlsnp,(DBT *)&logrec,
                flags | DB_LOG_NOCOPY)) == 0 && txnp != NULL) {
                  *lsnp = *rlsnp;
                  if (rlsnp != ret_lsnp)
                         *ret_lsnp = *rlsnp;
            }
      } else {
            ret = 0;
#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));

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

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

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

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

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

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

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

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

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

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

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->add = (int)uinttmp;
      bp += sizeof(uinttmp);

      memcpy(&uinttmp, bp, sizeof(uinttmp));
      argp->is_dup = (int)uinttmp;
      bp += sizeof(uinttmp);

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

      *argpp = argp;
      return (0);
}

/*
 * PUBLIC: int __ham_chgpg_log __P((DB *, DB_TXN *, DB_LSN *,
 * PUBLIC:     u_int32_t, db_ham_mode, db_pgno_t, db_pgno_t, u_int32_t,
 * PUBLIC:     u_int32_t));
 */
int
__ham_chgpg_log(dbp, txnp, ret_lsnp, flags, mode, old_pgno, new_pgno, old_indx, new_indx)
      DB *dbp;
      DB_TXN *txnp;
      DB_LSN *ret_lsnp;
      u_int32_t flags;
      db_ham_mode mode;
      db_pgno_t old_pgno;
      db_pgno_t new_pgno;
      u_int32_t old_indx;
      u_int32_t new_indx;
{
      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___ham_chgpg;
      npad = 0;
      rlsnp = ret_lsnp;

      ret = 0;

      if (LF_ISSET(DB_LOG_NOT_DURABLE) ||
          F_ISSET(dbp, DB_AM_NOT_DURABLE)) {
            if (txnp == NULL)
                  return (0);
            is_durable = 0;
      } else
            is_durable = 1;

      if (txnp == NULL) {
            txn_num = 0;
            lsnp = &null_lsn;
            null_lsn.file = null_lsn.offset = 0;
      } else {
            if (TAILQ_FIRST(&txnp->kids) != NULL &&
                (ret = __txn_activekids(dbenv, rectype, txnp)) != 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(txnp, &rlsnp, &lsnp);
            txn_num = txnp->txnid;
      }

      DB_ASSERT(dbenv, 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);
      if (CRYPTO_ON(dbenv)) {
            npad =
                ((DB_CIPHER *)dbenv->crypto_handle)->adj_size(logrec.size);
            logrec.size += npad;
      }

      if (is_durable || txnp == 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)mode;
      memcpy(bp, &uinttmp, sizeof(uinttmp));
      bp += sizeof(uinttmp);

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

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

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

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

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

      if (is_durable || txnp == NULL) {
            if ((ret = __log_put(dbenv, rlsnp,(DBT *)&logrec,
                flags | DB_LOG_NOCOPY)) == 0 && txnp != NULL) {
                  *lsnp = *rlsnp;
                  if (rlsnp != ret_lsnp)
                         *ret_lsnp = *rlsnp;
            }
      } else {
            ret = 0;
#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));

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

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

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

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

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

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

      memcpy(&argp->txnp->txnid, bp, sizeof(argp->txnp->txnid));
      bp += sizeof(argp->txnp->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->mode = (db_ham_mode)uinttmp;
      bp += sizeof(uinttmp);

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

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

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

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

      *argpp = argp;
      return (0);
}

/*
 * PUBLIC: int __ham_init_recover __P((DB_ENV *, int (***)(DB_ENV *,
 * PUBLIC:     DBT *, DB_LSN *, db_recops, void *), size_t *));
 */
int
__ham_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,
          __ham_insdel_recover, DB___ham_insdel)) != 0)
            return (ret);
      if ((ret = __db_add_recovery(dbenv, dtabp, dtabsizep,
          __ham_newpage_recover, DB___ham_newpage)) != 0)
            return (ret);
      if ((ret = __db_add_recovery(dbenv, dtabp, dtabsizep,
          __ham_splitdata_recover, DB___ham_splitdata)) != 0)
            return (ret);
      if ((ret = __db_add_recovery(dbenv, dtabp, dtabsizep,
          __ham_replace_recover, DB___ham_replace)) != 0)
            return (ret);
      if ((ret = __db_add_recovery(dbenv, dtabp, dtabsizep,
          __ham_copypage_recover, DB___ham_copypage)) != 0)
            return (ret);
      if ((ret = __db_add_recovery(dbenv, dtabp, dtabsizep,
          __ham_metagroup_recover, DB___ham_metagroup)) != 0)
            return (ret);
      if ((ret = __db_add_recovery(dbenv, dtabp, dtabsizep,
          __ham_groupalloc_recover, DB___ham_groupalloc)) != 0)
            return (ret);
      if ((ret = __db_add_recovery(dbenv, dtabp, dtabsizep,
          __ham_curadj_recover, DB___ham_curadj)) != 0)
            return (ret);
      if ((ret = __db_add_recovery(dbenv, dtabp, dtabsizep,
          __ham_chgpg_recover, DB___ham_chgpg)) != 0)
            return (ret);
      return (0);
}

Generated by  Doxygen 1.6.0   Back to index