btree_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

/* Do not edit: automatically built by gen_rec.awk. */
#include "db_config.h"

#ifndef NO_SYSTEM_INCLUDES
#include <sys/types.h>

#include <ctype.h>
#include <string.h>
#endif

#include "db_int.h"
#include "dbinc/crypto.h"
#include "dbinc/db_page.h"
#include "dbinc/db_dispatch.h"
#include "dbinc/db_am.h"
#include "dbinc/btree.h"
#include "dbinc/log.h"
#include "dbinc/rep.h"
#include "dbinc/txn.h"

/*
 * PUBLIC: int __bam_split_log __P((DB *, DB_TXN *, DB_LSN *,
 * PUBLIC:     u_int32_t, db_pgno_t, DB_LSN *, db_pgno_t, DB_LSN *, u_int32_t,
 * PUBLIC:     db_pgno_t, DB_LSN *, db_pgno_t, const DBT *, u_int32_t));
 */
int
__bam_split_log(dbp, txnid, ret_lsnp, flags, left, llsn, right, rlsn, indx,
    npgno, nlsn, root_pgno, pg, opflags)
	DB *dbp;
	DB_TXN *txnid;
	DB_LSN *ret_lsnp;
	u_int32_t flags;
	db_pgno_t left;
	DB_LSN * llsn;
	db_pgno_t right;
	DB_LSN * rlsn;
	u_int32_t indx;
	db_pgno_t npgno;
	DB_LSN * nlsn;
	db_pgno_t root_pgno;
	const DBT *pg;
	u_int32_t opflags;
{
	DBT logrec;
	DB_ENV *dbenv;
	DB_LSN *lsnp, null_lsn;
	u_int32_t zero;
	u_int32_t uinttmp;
	u_int32_t npad, rectype, txn_num;
	int ret;
	u_int8_t *bp;

	dbenv = dbp->dbenv;
	rectype = DB___bam_split;
	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(*llsn)
	    + sizeof(u_int32_t)
	    + sizeof(*rlsn)
	    + sizeof(u_int32_t)
	    + sizeof(u_int32_t)
	    + sizeof(*nlsn)
	    + sizeof(u_int32_t)
	    + sizeof(u_int32_t) + (pg == NULL ? 0 : pg->size)
	    + 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)left;
	memcpy(bp, &uinttmp, sizeof(uinttmp));
	bp += sizeof(uinttmp);

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

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

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

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

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

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

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

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

	uinttmp = (u_int32_t)opflags;
	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)__bam_split_print(dbenv,
		    (DBT *)&logrec, ret_lsnp, NULL, NULL);
#endif
	__os_free(dbenv, logrec.data);
	return (ret);
}

/*
 * PUBLIC: int __bam_split_getpgnos __P((DB_ENV *, DBT *, DB_LSN *,
 * PUBLIC:     db_recops, void *));
 */
int
__bam_split_getpgnos(dbenv, rec, lsnp, notused1, summary)
	DB_ENV *dbenv;
	DBT *rec;
	DB_LSN *lsnp;
	db_recops notused1;
	void *summary;
{
	DB *dbp;
	TXN_RECS *t;
	__bam_split_args *argp;
	u_int32_t ret;

	COMPQUIET(notused1, DB_TXN_ABORT);

	argp = NULL;
	t = (TXN_RECS *)summary;

	if ((ret = __bam_split_read(dbenv, rec->data, &argp)) != 0)
		return (ret);

	if ((ret = __dbreg_id_to_db(dbenv,
	    argp->txnid, &dbp, argp->fileid, 0)) != 0)
		goto err;

	if ((ret = __rep_check_alloc(dbenv, t, 3)) != 0)
		goto err;

	t->array[t->npages].flags = 0;
	t->array[t->npages].fid = argp->fileid;
	t->array[t->npages].lsn = *lsnp;
	t->array[t->npages].pgdesc.pgno = argp->left;
	t->array[t->npages].pgdesc.type = DB_PAGE_LOCK;
	memcpy(t->array[t->npages].pgdesc.fileid, dbp->fileid,
	    DB_FILE_ID_LEN);
	t->npages++;
	t->array[t->npages].flags = 0;
	t->array[t->npages].fid = argp->fileid;
	t->array[t->npages].lsn = *lsnp;
	t->array[t->npages].pgdesc.pgno = argp->right;
	t->array[t->npages].pgdesc.type = DB_PAGE_LOCK;
	memcpy(t->array[t->npages].pgdesc.fileid, dbp->fileid,
	    DB_FILE_ID_LEN);
	t->npages++;
	if (argp->root_pgno != PGNO_INVALID) {
		t->array[t->npages].flags = 0;
		t->array[t->npages].fid = argp->fileid;
		t->array[t->npages].lsn = *lsnp;
		t->array[t->npages].pgdesc.pgno = argp->root_pgno;
		t->array[t->npages].pgdesc.type = DB_PAGE_LOCK;
		memcpy(t->array[t->npages].pgdesc.fileid, dbp->fileid,
		    DB_FILE_ID_LEN);
		t->npages++;
	}

err:	if (argp != NULL)
	__os_free(dbenv, argp);
	return (ret);
}

/*
 * PUBLIC: int __bam_split_print __P((DB_ENV *, DBT *, DB_LSN *,
 * PUBLIC:     db_recops, void *));
 */
int
__bam_split_print(dbenv, dbtp, lsnp, notused2, notused3)
	DB_ENV *dbenv;
	DBT *dbtp;
	DB_LSN *lsnp;
	db_recops notused2;
	void *notused3;
{
	__bam_split_args *argp;
	u_int32_t i;
	int ch;
	int ret;

	notused2 = DB_TXN_ABORT;
	notused3 = NULL;

	if ((ret = __bam_split_read(dbenv, dbtp->data, &argp)) != 0)
		return (ret);
	(void)printf(
	    "[%lu][%lu]__bam_split: 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("\tleft: %lu\n", (u_long)argp->left);
	(void)printf("\tllsn: [%lu][%lu]\n",
	    (u_long)argp->llsn.file, (u_long)argp->llsn.offset);
	(void)printf("\tright: %lu\n", (u_long)argp->right);
	(void)printf("\trlsn: [%lu][%lu]\n",
	    (u_long)argp->rlsn.file, (u_long)argp->rlsn.offset);
	(void)printf("\tindx: %lu\n", (u_long)argp->indx);
	(void)printf("\tnpgno: %lu\n", (u_long)argp->npgno);
	(void)printf("\tnlsn: [%lu][%lu]\n",
	    (u_long)argp->nlsn.file, (u_long)argp->nlsn.offset);
	(void)printf("\troot_pgno: %lu\n", (u_long)argp->root_pgno);
	(void)printf("\tpg: ");
	for (i = 0; i < argp->pg.size; i++) {
		ch = ((u_int8_t *)argp->pg.data)[i];
		printf(isprint(ch) || ch == 0x0a ? "%c" : "%#x ", ch);
	}
	(void)printf("\n");
	(void)printf("\topflags: %lu\n", (u_long)argp->opflags);
	(void)printf("\n");
	__os_free(dbenv, argp);
	return (0);
}

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

	if ((ret = __os_malloc(dbenv,
	    sizeof(__bam_split_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->left = (db_pgno_t)uinttmp;
	bp += sizeof(uinttmp);

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

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

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

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

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

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

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

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

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

	*argpp = argp;
	return (0);
}

/*
 * PUBLIC: int __bam_rsplit_log __P((DB *, DB_TXN *, DB_LSN *,
 * PUBLIC:     u_int32_t, db_pgno_t, const DBT *, db_pgno_t, db_pgno_t,
 * PUBLIC:     const DBT *, DB_LSN *));
 */
int
__bam_rsplit_log(dbp, txnid, ret_lsnp, flags, pgno, pgdbt, root_pgno, nrec, rootent,
    rootlsn)
	DB *dbp;
	DB_TXN *txnid;
	DB_LSN *ret_lsnp;
	u_int32_t flags;
	db_pgno_t pgno;
	const DBT *pgdbt;
	db_pgno_t root_pgno;
	db_pgno_t nrec;
	const DBT *rootent;
	DB_LSN * rootlsn;
{
	DBT logrec;
	DB_ENV *dbenv;
	DB_LSN *lsnp, null_lsn;
	u_int32_t zero;
	u_int32_t uinttmp;
	u_int32_t npad, rectype, txn_num;
	int ret;
	u_int8_t *bp;

	dbenv = dbp->dbenv;
	rectype = DB___bam_rsplit;
	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) + (pgdbt == NULL ? 0 : pgdbt->size)
	    + sizeof(u_int32_t)
	    + sizeof(u_int32_t)
	    + sizeof(u_int32_t) + (rootent == NULL ? 0 : rootent->size)
	    + sizeof(*rootlsn);
	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);

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

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

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

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

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

	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)__bam_rsplit_print(dbenv,
		    (DBT *)&logrec, ret_lsnp, NULL, NULL);
#endif
	__os_free(dbenv, logrec.data);
	return (ret);
}

/*
 * PUBLIC: int __bam_rsplit_getpgnos __P((DB_ENV *, DBT *, DB_LSN *,
 * PUBLIC:     db_recops, void *));
 */
int
__bam_rsplit_getpgnos(dbenv, rec, lsnp, notused1, summary)
	DB_ENV *dbenv;
	DBT *rec;
	DB_LSN *lsnp;
	db_recops notused1;
	void *summary;
{
	DB *dbp;
	TXN_RECS *t;