glibc/db2/txn/txn_auto.c

/* Do not edit: automatically built by dist/db_gen.sh. */
#include "config.h"

#ifndef NO_SYSTEM_INCLUDES
#include <ctype.h>
#include <errno.h>
#include <stddef.h>
#include <stdlib.h>
#include <string.h>
#endif

#include "db_int.h"
#include "shqueue.h"
#include "db_page.h"
#include "db_dispatch.h"
#include "txn.h"
#include "db_am.h"
#include "common_ext.h"

/*
 * PUBLIC: int __txn_regop_log
 * PUBLIC:     __P((DB_LOG *, DB_TXN *, DB_LSN *, u_int32_t,
 * PUBLIC:     u_int32_t));
 */
int __txn_regop_log(logp, txnid, ret_lsnp, flags,
	opcode)
	DB_LOG *logp;
	DB_TXN *txnid;
	DB_LSN *ret_lsnp;
	u_int32_t flags;
	u_int32_t opcode;
{
	DBT logrec;
	DB_LSN *lsnp, null_lsn;
	u_int32_t rectype, txn_num;
	int ret;
	u_int8_t *bp;

	rectype = DB_txn_regop;
	txn_num = txnid == NULL ? 0 : txnid->txnid;
	if (txnid == NULL) {
		null_lsn.file = 0;
		null_lsn.offset = 0;
		lsnp = &null_lsn;
	} else
		lsnp = &txnid->last_lsn;
	logrec.size = sizeof(rectype) + sizeof(txn_num) + sizeof(DB_LSN)
	    + sizeof(opcode);
	if ((logrec.data = (void *)__db_malloc(logrec.size)) == NULL)
		return (ENOMEM);

	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);
	memcpy(bp, &opcode, sizeof(opcode));
	bp += sizeof(opcode);
#ifdef DEBUG
	if ((u_int32_t)(bp - (u_int8_t *)logrec.data) != logrec.size)
		fprintf(stderr, "Error in log record length");
#endif
	ret = log_put(logp, ret_lsnp, (DBT *)&logrec, flags);
	if (txnid != NULL)
		txnid->last_lsn = *ret_lsnp;
	__db_free(logrec.data);
	return (ret);
}

/*
 * PUBLIC: int __txn_regop_print
 * PUBLIC:    __P((DB_LOG *, DBT *, DB_LSN *, int, void *));
 */
int
__txn_regop_print(notused1, dbtp, lsnp, notused3, notused4)
	DB_LOG *notused1;
	DBT *dbtp;
	DB_LSN *lsnp;
	int notused3;
	void *notused4;
{
	__txn_regop_args *argp;
	u_int32_t i;
	int c, ret;

	i = 0;
	c = 0;
	notused1 = NULL;
	notused3 = 0;
	notused4 = NULL;

	if ((ret = __txn_regop_read(dbtp->data, &argp)) != 0)
		return (ret);
	printf("[%lu][%lu]txn_regop: rec: %lu txnid %lx prevlsn [%lu][%lu]\n",
	    (u_long)lsnp->file,
	    (u_long)lsnp->offset,
	    (u_long)argp->type,
	    (u_long)argp->txnid->txnid,
	    (u_long)argp->prev_lsn.file,
	    (u_long)argp->prev_lsn.offset);
	printf("\topcode: %lu\n", (u_long)argp->opcode);
	printf("\n");
	__db_free(argp);
	return (0);
}

/*
 * PUBLIC: int __txn_regop_read __P((void *, __txn_regop_args **));
 */
int
__txn_regop_read(recbuf, argpp)
	void *recbuf;
	__txn_regop_args **argpp;
{
	__txn_regop_args *argp;
	u_int8_t *bp;

	argp = (__txn_regop_args *)__db_malloc(sizeof(__txn_regop_args) +
	    sizeof(DB_TXN));
	if (argp == NULL)
		return (ENOMEM);
	argp->txnid = (DB_TXN *)&argp[1];
	bp = recbuf;
	memcpy(&argp->type, bp, sizeof(argp->type));
	bp += sizeof(argp->type);
	memcpy(&argp->txnid->txnid,  bp, sizeof(argp->txnid->txnid));
	bp += sizeof(argp->txnid->txnid);
	memcpy(&argp->prev_lsn, bp, sizeof(DB_LSN));
	bp += sizeof(DB_LSN);
	memcpy(&argp->opcode, bp, sizeof(argp->opcode));
	bp += sizeof(argp->opcode);
	*argpp = argp;
	return (0);
}

/*
 * PUBLIC: int __txn_ckp_log
 * PUBLIC:     __P((DB_LOG *, DB_TXN *, DB_LSN *, u_int32_t,
 * PUBLIC:     DB_LSN *, DB_LSN *));
 */
int __txn_ckp_log(logp, txnid, ret_lsnp, flags,
	ckp_lsn, last_ckp)
	DB_LOG *logp;
	DB_TXN *txnid;
	DB_LSN *ret_lsnp;
	u_int32_t flags;
	DB_LSN * ckp_lsn;
	DB_LSN * last_ckp;
{
	DBT logrec;
	DB_LSN *lsnp, null_lsn;
	u_int32_t rectype, txn_num;
	int ret;
	u_int8_t *bp;

	rectype = DB_txn_ckp;
	txn_num = txnid == NULL ? 0 : txnid->txnid;
	if (txnid == NULL) {
		null_lsn.file = 0;
		null_lsn.offset = 0;
		lsnp = &null_lsn;
	} else
		lsnp = &txnid->last_lsn;
	logrec.size = sizeof(rectype) + sizeof(txn_num) + sizeof(DB_LSN)
	    + sizeof(*ckp_lsn)
	    + sizeof(*last_ckp);
	if ((logrec.data = (void *)__db_malloc(logrec.size)) == NULL)
		return (ENOMEM);

	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);
	if (ckp_lsn != NULL)
		memcpy(bp, ckp_lsn, sizeof(*ckp_lsn));
	else
		memset(bp, 0, sizeof(*ckp_lsn));
	bp += sizeof(*ckp_lsn);
	if (last_ckp != NULL)
		memcpy(bp, last_ckp, sizeof(*last_ckp));
	else
		memset(bp, 0, sizeof(*last_ckp));
	bp += sizeof(*last_ckp);
#ifdef DEBUG
	if ((u_int32_t)(bp - (u_int8_t *)logrec.data) != logrec.size)
		fprintf(stderr, "Error in log record length");
#endif
	ret = log_put(logp, ret_lsnp, (DBT *)&logrec, flags);
	if (txnid != NULL)
		txnid->last_lsn = *ret_lsnp;
	__db_free(logrec.data);
	return (ret);
}

/*
 * PUBLIC: int __txn_ckp_print
 * PUBLIC:    __P((DB_LOG *, DBT *, DB_LSN *, int, void *));
 */
int
__txn_ckp_print(notused1, dbtp, lsnp, notused3, notused4)
	DB_LOG *notused1;
	DBT *dbtp;
	DB_LSN *lsnp;
	int notused3;
	void *notused4;
{
	__txn_ckp_args *argp;
	u_int32_t i;
	int c, ret;

	i = 0;
	c = 0;
	notused1 = NULL;
	notused3 = 0;
	notused4 = NULL;

	if ((ret = __txn_ckp_read(dbtp->data, &argp)) != 0)
		return (ret);
	printf("[%lu][%lu]txn_ckp: rec: %lu txnid %lx prevlsn [%lu][%lu]\n",
	    (u_long)lsnp->file,
	    (u_long)lsnp->offset,
	    (u_long)argp->type,
	    (u_long)argp->txnid->txnid,
	    (u_long)argp->prev_lsn.file,
	    (u_long)argp->prev_lsn.offset);
	printf("\tckp_lsn: [%lu][%lu]\n",
	    (u_long)argp->ckp_lsn.file, (u_long)argp->ckp_lsn.offset);
	printf("\tlast_ckp: [%lu][%lu]\n",
	    (u_long)argp->last_ckp.file, (u_long)argp->last_ckp.offset);
	printf("\n");
	__db_free(argp);
	return (0);
}

/*
 * PUBLIC: int __txn_ckp_read __P((void *, __txn_ckp_args **));
 */
int
__txn_ckp_read(recbuf, argpp)
	void *recbuf;
	__txn_ckp_args **argpp;
{
	__txn_ckp_args *argp;
	u_int8_t *bp;

	argp = (__txn_ckp_args *)__db_malloc(sizeof(__txn_ckp_args) +
	    sizeof(DB_TXN));
	if (argp == NULL)
		return (ENOMEM);
	argp->txnid = (DB_TXN *)&argp[1];
	bp = recbuf;
	memcpy(&argp->type, bp, sizeof(argp->type));
	bp += sizeof(argp->type);
	memcpy(&argp->txnid->txnid,  bp, sizeof(argp->txnid->txnid));
	bp += sizeof(argp->txnid->txnid);
	memcpy(&argp->prev_lsn, bp, sizeof(DB_LSN));
	bp += sizeof(DB_LSN);
	memcpy(&argp->ckp_lsn, bp,  sizeof(argp->ckp_lsn));
	bp += sizeof(argp->ckp_lsn);
	memcpy(&argp->last_ckp, bp,  sizeof(argp->last_ckp));
	bp += sizeof(argp->last_ckp);
	*argpp = argp;
	return (0);
}

/*
 * PUBLIC: int __txn_init_print __P((DB_ENV *));
 */
int
__txn_init_print(dbenv)
	DB_ENV *dbenv;
{
	int ret;

	if ((ret = __db_add_recovery(dbenv,
	    __txn_regop_print, DB_txn_regop)) != 0)
		return (ret);
	if ((ret = __db_add_recovery(dbenv,
	    __txn_ckp_print, DB_txn_ckp)) != 0)
		return (ret);
	return (0);
}

/*
 * PUBLIC: int __txn_init_recover __P((DB_ENV *));
 */
int
__txn_init_recover(dbenv)
	DB_ENV *dbenv;
{
	int ret;

	if ((ret = __db_add_recovery(dbenv,
	    __txn_regop_recover, DB_txn_regop)) != 0)
		return (ret);
	if ((ret = __db_add_recovery(dbenv,
	    __txn_ckp_recover, DB_txn_ckp)) != 0)
		return (ret);
	return (0);
}