hash_auto.c

这是linux下运行的mysql软件包,可用于linux 下安装 php + mysql + apach 的网络配置

	dbenv = dbp->dbenv;
	rectype = DB___ham_curadj;
	npad = 0;

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

	logrec.size = sizeof(rectype) + sizeof(txn_num) + sizeof(DB_LSN)
	    + sizeof(u_int32_t)
	    + sizeof(u_int32_t)
	    + sizeof(u_int32_t)
	    + 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 ((ret = __os_malloc(dbenv,
	    logrec.size, &logrec.data)) != 0)
		return (ret);

	if (npad > 0)
		memset((u_int8_t *)logrec.data + logrec.size - npad, 0, npad);

	bp = logrec.data;

	memcpy(bp, &rectype, sizeof(rectype));
	bp += sizeof(rectype);

	memcpy(bp, &txn_num, sizeof(txn_num));
	bp += sizeof(txn_num);

	memcpy(bp, lsnp, sizeof(DB_LSN));
	bp += sizeof(DB_LSN);

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

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

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

	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((u_int32_t)(bp - (u_int8_t *)logrec.data) <= logrec.size);
	ret = dbenv->log_put(dbenv,
	   ret_lsnp, (DBT *)&logrec, flags | DB_NOCOPY);
	if (txnid != NULL && ret == 0)
		txnid->last_lsn = *ret_lsnp;
#ifdef LOG_DIAGNOSTIC
	if (ret != 0)
		(void)__ham_curadj_print(dbenv,
		    (DBT *)&logrec, ret_lsnp, NULL, NULL);
#endif
	__os_free(dbenv, logrec.data);
	return (ret);
}

/*
 * PUBLIC: int __ham_curadj_getpgnos __P((DB_ENV *, DBT *, DB_LSN *,
 * PUBLIC:     db_recops, void *));
 */
int
__ham_curadj_getpgnos(dbenv, rec, lsnp, notused1, summary)
	DB_ENV *dbenv;
	DBT *rec;
	DB_LSN *lsnp;
	db_recops notused1;
	void *summary;
{
	TXN_RECS *t;
	int ret;
	COMPQUIET(rec, NULL);
	COMPQUIET(notused1, DB_TXN_ABORT);

	t = (TXN_RECS *)summary;

	if ((ret = __rep_check_alloc(dbenv, t, 1)) != 0)
		return (ret);

	t->array[t->npages].flags = LSN_PAGE_NOLOCK;
	t->array[t->npages].lsn = *lsnp;
	t->array[t->npages].fid = DB_LOGFILEID_INVALID;
	memset(&t->array[t->npages].pgdesc, 0,
	    sizeof(t->array[t->npages].pgdesc));

	t->npages++;

	return (0);
}

/*
 * PUBLIC: int __ham_curadj_print __P((DB_ENV *, DBT *, DB_LSN *,
 * PUBLIC:     db_recops, void *));
 */
int
__ham_curadj_print(dbenv, dbtp, lsnp, notused2, notused3)
	DB_ENV *dbenv;
	DBT *dbtp;
	DB_LSN *lsnp;
	db_recops notused2;
	void *notused3;
{
	__ham_curadj_args *argp;
	int ret;

	notused2 = DB_TXN_ABORT;
	notused3 = NULL;

	if ((ret = __ham_curadj_read(dbenv, dbtp->data, &argp)) != 0)
		return (ret);
	(void)printf(
	    "[%lu][%lu]__ham_curadj: rec: %lu txnid %lx prevlsn [%lu][%lu]\n",
	    (u_long)lsnp->file,
	    (u_long)lsnp->offset,
	    (u_long)argp->type,
	    (u_long)argp->txnid->txnid,
	    (u_long)argp->prev_lsn.file,
	    (u_long)argp->prev_lsn.offset);
	(void)printf("\tfileid: %ld\n", (long)argp->fileid);
	(void)printf("\tpgno: %lu\n", (u_long)argp->pgno);
	(void)printf("\tindx: %lu\n", (u_long)argp->indx);
	(void)printf("\tlen: %lu\n", (u_long)argp->len);
	(void)printf("\tdup_off: %lu\n", (u_long)argp->dup_off);
	(void)printf("\tadd: %ld\n", (long)argp->add);
	(void)printf("\tis_dup: %ld\n", (long)argp->is_dup);
	(void)printf("\torder: %lu\n", (u_long)argp->order);
	(void)printf("\n");
	__os_free(dbenv, argp);
	return (0);
}

/*
 * 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);

	argp->txnid = (DB_TXN *)&argp[1];

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

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

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

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

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

	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, txnid, ret_lsnp, flags, mode, old_pgno, new_pgno, old_indx, new_indx)
	DB *dbp;
	DB_TXN *txnid;
	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_LSN *lsnp, null_lsn;
	u_int32_t uinttmp;
	u_int32_t npad, rectype, txn_num;
	int ret;
	u_int8_t *bp;

	dbenv = dbp->dbenv;
	rectype = DB___ham_chgpg;
	npad = 0;

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

	logrec.size = sizeof(rectype) + sizeof(txn_num) + sizeof(DB_LSN)
	    + sizeof(u_int32_t)
	    + sizeof(u_int32_t)
	    + sizeof(u_int32_t)
	    + 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 ((ret = __os_malloc(dbenv,
	    logrec.size, &logrec.data)) != 0)
		return (ret);

	if (npad > 0)
		memset((u_int8_t *)logrec.data + logrec.size - npad, 0, npad);

	bp = logrec.data;

	memcpy(bp, &rectype, sizeof(rectype));
	bp += sizeof(rectype);

	memcpy(bp, &txn_num, sizeof(txn_num));
	bp += sizeof(txn_num);

	memcpy(bp, lsnp, sizeof(DB_LSN));
	bp += sizeof(DB_LSN);

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

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

	uinttmp = (u_int32_t)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((u_int32_t)(bp - (u_int8_t *)logrec.data) <= logrec.size);
	ret = dbenv->log_put(dbenv,
	   ret_lsnp, (DBT *)&logrec, flags | DB_NOCOPY);
	if (txnid != NULL && ret == 0)
		txnid->last_lsn = *ret_lsnp;
#ifdef LOG_DIAGNOSTIC
	if (ret != 0)
		(void)__ham_chgpg_print(dbenv,
		    (DBT *)&logrec, ret_lsnp, NULL, NULL);
#endif
	__os_free(dbenv, logrec.data);
	return (ret);
}

/*
 * PUBLIC: int __ham_chgpg_getpgnos __P((DB_ENV *, DBT *, DB_LSN *,
 * PUBLIC:     db_recops, void *));
 */
int
__ham_chgpg_getpgnos(dbenv, rec, lsnp, notused1, summary)
	DB_ENV *dbenv;
	DBT *rec;
	DB_LSN *lsnp;
	db_recops notused1;
	void *summary;
{
	TXN_RECS *t;
	int ret;
	COMPQUIET(rec, NULL);
	COMPQUIET(notused1, DB_TXN_ABORT);

	t = (TXN_RECS *)summary;

	if ((ret = __rep_check_alloc(dbenv, t, 1)) != 0)
		return (ret);

	t->array[t->npages].flags = LSN_PAGE_NOLOCK;
	t->array[t->npages].lsn = *lsnp;
	t->array[t->npages].fid = DB_LOGFILEID_INVALID;
	memset(&t->array[t->npages].pgdesc, 0,
	    sizeof(t->array[t->npages].pgdesc));

	t->npages++;

	return (0);
}

/*
 * PUBLIC: int __ham_chgpg_print __P((DB_ENV *, DBT *, DB_LSN *,
 * PUBLIC:     db_recops, void *));
 */
int
__ham_chgpg_print(dbenv, dbtp, lsnp, notused2, notused3)
	DB_ENV *dbenv;
	DBT *dbtp;
	DB_LSN *lsnp;
	db_recops notused2;
	void *notused3;
{
	__ham_chgpg_args *argp;
	int ret;

	notused2 = DB_TXN_ABORT;
	notused3 = NULL;

	if ((ret = __ham_chgpg_read(dbenv, dbtp->data, &argp)) != 0)
		return (ret);
	(void)printf(
	    "[%lu][%lu]__ham_chgpg: rec: %lu txnid %lx prevlsn [%lu][%lu]\n",
	    (u_long)lsnp->file,
	    (u_long)lsnp->offset,
	    (u_long)argp->type,
	    (u_long)argp->txnid->txnid,
	    (u_long)argp->prev_lsn.file,
	    (u_long)argp->prev_lsn.offset);
	(void)printf("\tfileid: %ld\n", (long)argp->fileid);
	(void)printf("\tmode: %ld\n", (long)argp->mode);
	(void)printf("\told_pgno: %lu\n", (u_long)argp->old_pgno);
	(void)printf("\tnew_pgno: %lu\n", (u_long)argp->new_pgno);
	(void)printf("\told_indx: %lu\n", (u_long)argp->old_indx);
	(void)printf("\tnew_indx: %lu\n", (u_long)argp->new_indx);
	(void)printf("\n");
	__os_free(dbenv, argp);
	return (0);
}

/*
 * 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);

	argp->txnid = (DB_TXN *)&argp[1];

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

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

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

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

	memcpy(&uinttmp, bp, sizeof(uinttmp));
	argp->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_print __P((DB_ENV *, int (***)(DB_ENV *,
 * PUBLIC:     DBT *, DB_LSN *, db_recops, void *), size_t *));
 */
int
__ham_init_print(dbenv, dtabp, dtabsizep)
	DB_ENV *dbenv;
	int (***dtabp)__P((DB_ENV *, DBT *, DB_LSN *, db_recops, void *));
	size_t *dtabsizep;
{
	int ret;

	if ((ret = __db_add_recovery(dbenv, dtabp, dtabsizep,
	    __ham_insdel_print, DB___ham_insdel)) != 0)
		return (ret);
	if ((ret = __db_add_recovery(dbenv, dtabp, dtabsizep,
	    __ham_newpage_print, DB___ham_newpage)) != 0)
		return (ret);
	if ((ret = __db_add_recovery(dbenv, dtabp, dtabsizep,
	    __ham_splitdata_print, DB___ham_splitdata)) != 0)
		return (ret);
	if ((ret = __db_add_recovery(dbenv, dtabp, dtabsizep,
	    __ham_replace_print, DB___ham_replace)) != 0)
		return (ret);
	if ((ret = __db_add_recovery(dbenv, dtabp, dtabsizep,
	    __ham_copypage_print, DB___ham_copypage)) != 0)
		return (ret);
	if ((ret = __db_add_recovery(dbenv, dtabp, dtabsizep,
	    __ham_metagroup_print, DB___ham_metagroup)) != 0)
		return (ret);
	if ((ret = __db_add_recovery(dbenv, dtabp, dtabsizep,
	    __ham_groupalloc_print, DB___ham_groupalloc)) != 0)
		return (ret);
	if ((ret = __db_add_recovery(dbenv, dtabp, dtabsizep,
	    __ham_curadj_print, DB___ham_curadj)) != 0)
		return (ret);
	if ((ret = __db_add_recovery(dbenv, dtabp, dtabsizep,
	    __ham_chgpg_print, DB___ham_chgpg)) != 0)
		return (ret);
	return (0);
}

/*
 * PUBLIC: int __ham_init_getpgnos __P((DB_ENV *, int (***)(DB_ENV *,
 * PUBLIC:     DBT *, DB_LSN *, db_recops, void *), size_t *));
 */
int
__ham_init_getpgnos(dbenv, dtabp,