db_server_proc.c.in

mysql-5.0.22.tar.gz源码包

 */
void
__db_pagesize_proc(dbpcl_id, pagesize, replyp)
	long dbpcl_id;
	u_int32_t pagesize;
	__db_pagesize_reply *replyp;
/* END __db_pagesize_proc */
{
	DB *dbp;
	ct_entry *dbp_ctp;
	int ret;

	ACTIVATE_CTP(dbp_ctp, dbpcl_id, CT_DB);
	dbp = (DB *)dbp_ctp->ct_anyp;

	ret = dbp->set_pagesize(dbp, pagesize);

	replyp->status = ret;
	return;
}

/* BEGIN __db_pget_proc */
/*
 * PUBLIC: void __db_pget_proc __P((long, long, u_int32_t, u_int32_t,
 * PUBLIC:      u_int32_t, u_int32_t, void *, u_int32_t, u_int32_t, u_int32_t, u_int32_t,
 * PUBLIC:      u_int32_t, void *, u_int32_t, u_int32_t, u_int32_t, u_int32_t, u_int32_t, void *,
 * PUBLIC:      u_int32_t, u_int32_t, __db_pget_reply *, int *));
 */
void
__db_pget_proc(dbpcl_id, txnpcl_id, skeydlen,
		skeydoff, skeyulen, skeyflags, skeydata,
		skeysize, pkeydlen, pkeydoff, pkeyulen,
		pkeyflags, pkeydata, pkeysize, datadlen,
		datadoff, dataulen, dataflags, datadata,
		datasize, flags, replyp, freep)
	long dbpcl_id;
	long txnpcl_id;
	u_int32_t skeydlen;
	u_int32_t skeydoff;
	u_int32_t skeyulen;
	u_int32_t skeyflags;
	void *skeydata;
	u_int32_t skeysize;
	u_int32_t pkeydlen;
	u_int32_t pkeydoff;
	u_int32_t pkeyulen;
	u_int32_t pkeyflags;
	void *pkeydata;
	u_int32_t pkeysize;
	u_int32_t datadlen;
	u_int32_t datadoff;
	u_int32_t dataulen;
	u_int32_t dataflags;
	void *datadata;
	u_int32_t datasize;
	u_int32_t flags;
	__db_pget_reply *replyp;
	int * freep;
/* END __db_pget_proc */
{
	DB *dbp;
	DBT skey, pkey, data;
	DB_TXN *txnp;
	ct_entry *dbp_ctp, *txnp_ctp;
	int key_alloc, ret;

	ACTIVATE_CTP(dbp_ctp, dbpcl_id, CT_DB);
	dbp = (DB *)dbp_ctp->ct_anyp;
	if (txnpcl_id != 0) {
		ACTIVATE_CTP(txnp_ctp, txnpcl_id, CT_TXN);
		txnp = (DB_TXN *)txnp_ctp->ct_anyp;
	} else
		txnp = NULL;

	*freep = 0;
	memset(&skey, 0, sizeof(skey));
	memset(&pkey, 0, sizeof(pkey));
	memset(&data, 0, sizeof(data));

	/*
	 * Ignore memory related flags on server.
	 */
	/* Set up key and data DBT */
	skey.flags = DB_DBT_MALLOC;
	skey.dlen = skeydlen;
	skey.ulen = skeyulen;
	skey.doff = skeydoff;
	if (skeyflags & DB_DBT_PARTIAL)
		skey.flags |= DB_DBT_PARTIAL;
	skey.size = skeysize;
	skey.data = skeydata;

	pkey.flags = DB_DBT_MALLOC;
	pkey.dlen = pkeydlen;
	pkey.ulen = pkeyulen;
	pkey.doff = pkeydoff;
	if (pkeyflags & DB_DBT_PARTIAL)
		pkey.flags |= DB_DBT_PARTIAL;
	pkey.size = pkeysize;
	pkey.data = pkeydata;

	data.flags = DB_DBT_MALLOC;
	data.dlen = datadlen;
	data.ulen = dataulen;
	data.doff = datadoff;
	if (dataflags & DB_DBT_PARTIAL)
		data.flags |= DB_DBT_PARTIAL;
	data.size = datasize;
	data.data = datadata;

	/* Got all our stuff, now do the get */
	ret = dbp->pget(dbp, txnp, &skey, &pkey, &data, flags);
	/*
	 * Otherwise just status.
	 */
	if (ret == 0) {
		/*
		 * XXX
		 * We need to xdr_free whatever we are returning, next time.
		 * However, DB does not allocate a new key if one was given
		 * and we'd be free'ing up space allocated in the request.
		 * So, allocate a new key/data pointer if it is the same one
		 * as in the request.
		 */
		*freep = 1;
		/*
		 * Key
		 */
		key_alloc = 0;
		if (skey.data == skeydata) {
			ret = __os_umalloc(dbp->dbenv,
			    skey.size, &replyp->skeydata.skeydata_val);
			if (ret != 0) {
				__os_ufree(dbp->dbenv, skey.data);
				__os_ufree(dbp->dbenv, pkey.data);
				__os_ufree(dbp->dbenv, data.data);
				goto err;
			}
			key_alloc = 1;
			memcpy(replyp->skeydata.skeydata_val, skey.data,
			    skey.size);
		} else
			replyp->skeydata.skeydata_val = skey.data;

		replyp->skeydata.skeydata_len = skey.size;

		/*
		 * Primary key
		 */
		if (pkey.data == pkeydata) {
			ret = __os_umalloc(dbp->dbenv,
			     pkey.size, &replyp->pkeydata.pkeydata_val);
			if (ret != 0) {
				__os_ufree(dbp->dbenv, skey.data);
				__os_ufree(dbp->dbenv, pkey.data);
				__os_ufree(dbp->dbenv, data.data);
				if (key_alloc)
					__os_ufree(dbp->dbenv,
					    replyp->skeydata.skeydata_val);
				goto err;
			}
			/*
			 * We can set it to 2, because they cannot send the
			 * pkey over without sending the skey over too.
			 * So if they did send a pkey, they must have sent
			 * the skey as well.
			 */
			key_alloc = 2;
			memcpy(replyp->pkeydata.pkeydata_val, pkey.data,
			    pkey.size);
		} else
			replyp->pkeydata.pkeydata_val = pkey.data;
		replyp->pkeydata.pkeydata_len = pkey.size;

		/*
		 * Data
		 */
		if (data.data == datadata) {
			ret = __os_umalloc(dbp->dbenv,
			     data.size, &replyp->datadata.datadata_val);
			if (ret != 0) {
				__os_ufree(dbp->dbenv, skey.data);
				__os_ufree(dbp->dbenv, pkey.data);
				__os_ufree(dbp->dbenv, data.data);
				/*
				 * If key_alloc is 1, just skey needs to be
				 * freed, if key_alloc is 2, both skey and pkey
				 * need to be freed.
				 */
				if (key_alloc--)
					__os_ufree(dbp->dbenv,
					    replyp->skeydata.skeydata_val);
				if (key_alloc)
					__os_ufree(dbp->dbenv,
					    replyp->pkeydata.pkeydata_val);
				goto err;
			}
			memcpy(replyp->datadata.datadata_val, data.data,
			    data.size);
		} else
			replyp->datadata.datadata_val = data.data;
		replyp->datadata.datadata_len = data.size;
	} else {
err:		replyp->skeydata.skeydata_val = NULL;
		replyp->skeydata.skeydata_len = 0;
		replyp->pkeydata.pkeydata_val = NULL;
		replyp->pkeydata.pkeydata_len = 0;
		replyp->datadata.datadata_val = NULL;
		replyp->datadata.datadata_len = 0;
		*freep = 0;
	}
	replyp->status = ret;
	return;
}

/* BEGIN __db_put_proc */
/*
 * PUBLIC: void __db_put_proc __P((long, long, u_int32_t, u_int32_t, u_int32_t,
 * PUBLIC:      u_int32_t, void *, u_int32_t, u_int32_t, u_int32_t, u_int32_t, u_int32_t, void *,
 * PUBLIC:      u_int32_t, u_int32_t, __db_put_reply *, int *));
 */
void
__db_put_proc(dbpcl_id, txnpcl_id, keydlen,
		keydoff, keyulen, keyflags, keydata,
		keysize, datadlen, datadoff, dataulen,
		dataflags, datadata, datasize, flags, replyp, freep)
	long dbpcl_id;
	long txnpcl_id;
	u_int32_t keydlen;
	u_int32_t keydoff;
	u_int32_t keyulen;
	u_int32_t keyflags;
	void *keydata;
	u_int32_t keysize;
	u_int32_t datadlen;
	u_int32_t datadoff;
	u_int32_t dataulen;
	u_int32_t dataflags;
	void *datadata;
	u_int32_t datasize;
	u_int32_t flags;
	__db_put_reply *replyp;
	int * freep;
/* END __db_put_proc */
{
	DB *dbp;
	DBT key, data;
	DB_TXN *txnp;
	ct_entry *dbp_ctp, *txnp_ctp;
	int ret;

	ACTIVATE_CTP(dbp_ctp, dbpcl_id, CT_DB);
	dbp = (DB *)dbp_ctp->ct_anyp;
	if (txnpcl_id != 0) {
		ACTIVATE_CTP(txnp_ctp, txnpcl_id, CT_TXN);
		txnp = (DB_TXN *)txnp_ctp->ct_anyp;
	} else
		txnp = NULL;

	*freep = 0;
	memset(&key, 0, sizeof(key));
	memset(&data, 0, sizeof(data));

	/* Set up key and data DBT */
	key.dlen = keydlen;
	key.ulen = keyulen;
	key.doff = keydoff;
	/*
	 * Ignore memory related flags on server.
	 */
	key.flags = DB_DBT_MALLOC;
	if (keyflags & DB_DBT_PARTIAL)
		key.flags |= DB_DBT_PARTIAL;
	key.size = keysize;
	key.data = keydata;

	data.dlen = datadlen;
	data.ulen = dataulen;
	data.doff = datadoff;
	data.flags = dataflags;
	data.size = datasize;
	data.data = datadata;

	/* Got all our stuff, now do the put */
	ret = dbp->put(dbp, txnp, &key, &data, flags);
	/*
	 * If the client did a DB_APPEND, set up key in reply.
	 * Otherwise just status.
	 */
	if (ret == 0 && (flags == DB_APPEND)) {
		/*
		 * XXX
		 * We need to xdr_free whatever we are returning, next time.
		 * However, DB does not allocate a new key if one was given
		 * and we'd be free'ing up space allocated in the request.
		 * So, allocate a new key/data pointer if it is the same one
		 * as in the request.
		 */
		*freep = 1;
		/*
		 * Key
		 */
		if (key.data == keydata) {
			ret = __os_umalloc(dbp->dbenv,
			    key.size, &replyp->keydata.keydata_val);
			if (ret != 0) {
				__os_ufree(dbp->dbenv, key.data);
				goto err;
			}
			memcpy(replyp->keydata.keydata_val, key.data, key.size);
		} else
			replyp->keydata.keydata_val = key.data;

		replyp->keydata.keydata_len = key.size;
	} else {
err:		replyp->keydata.keydata_val = NULL;
		replyp->keydata.keydata_len = 0;
		*freep = 0;
	}
	replyp->status = ret;
	return;
}

/* BEGIN __db_re_delim_proc */
/*
 * PUBLIC: void __db_re_delim_proc __P((long, u_int32_t,
 * PUBLIC:      __db_re_delim_reply *));
 */
void
__db_re_delim_proc(dbpcl_id, delim, replyp)
	long dbpcl_id;
	u_int32_t delim;
	__db_re_delim_reply *replyp;
/* END __db_re_delim_proc */
{
	DB *dbp;
	ct_entry *dbp_ctp;
	int ret;

	ACTIVATE_CTP(dbp_ctp, dbpcl_id, CT_DB);
	dbp = (DB *)dbp_ctp->ct_anyp;

	ret = dbp->set_re_delim(dbp, delim);

	replyp->status = ret;
	return;
}

/* BEGIN __db_re_len_proc */
/*
 * PUBLIC: void __db_re_len_proc __P((long, u_int32_t, __db_re_len_reply *));
 */
void
__db_re_len_proc(dbpcl_id, len, replyp)
	long dbpcl_id;
	u_int32_t len;
	__db_re_len_reply *replyp;
/* END __db_re_len_proc */
{
	DB *dbp;
	ct_entry *dbp_ctp;
	int ret;

	ACTIVATE_CTP(dbp_ctp, dbpcl_id, CT_DB);
	dbp = (DB *)dbp_ctp->ct_anyp;

	ret = dbp->set_re_len(dbp, len);

	replyp->status = ret;
	return;
}

/* BEGIN __db_re_pad_proc */
/*
 * PUBLIC: void __db_re_pad_proc __P((long, u_int32_t, __db_re_pad_reply *));
 */
void
__db_re_pad_proc(dbpcl_id, pad, replyp)
	long dbpcl_id;
	u_int32_t pad;
	__db_re_pad_reply *replyp;
/* END __db_re_pad_proc */
{
	DB *dbp;
	ct_entry *dbp_ctp;
	int ret;

	ACTIVATE_CTP(dbp_ctp, dbpcl_id, CT_DB);
	dbp = (DB *)dbp_ctp->ct_anyp;

	ret = dbp->set_re_pad(dbp, pad);

	replyp->status = ret;
	return;
}

/* BEGIN __db_remove_proc */
/*
 * PUBLIC: void __db_remove_proc __P((long, char *, char *, u_int32_t,
 * PUBLIC:      __db_remove_reply *));
 */
void
__db_remove_proc(dbpcl_id, name, subdb,
		flags, replyp)
	long dbpcl_id;
	char *name;
	char *subdb;
	u_int32_t flags;
	__db_remove_reply *replyp;
/* END __db_remove_proc */
{
	DB *dbp;
	ct_entry *dbp_ctp;
	int ret;

	ACTIVATE_CTP(dbp_ctp, dbpcl_id, CT_DB);
	dbp = (DB *)dbp_ctp->ct_anyp;

	ret = dbp->remove(dbp, name, subdb, flags);
	__dbdel_ctp(dbp_ctp);

	replyp->status = ret;
	return;
}

/* BEGIN __db_rename_proc */
/*
 * PUBLIC: void __db_rename_proc __P((long, char *, char *, char *, u_int32_t,
 * PUBLIC:      __db_rename_reply *));
 */
void
__db_rename_proc(dbpcl_id, name, subdb,
		newname, flags, replyp)
	long dbpcl_id;
	char *name;
	char *subdb;
	char *newname;
	u_int32_t flags;
	__db_rename_reply *replyp;
/* END __db_rename_proc */
{
	DB *dbp;
	ct_entry *dbp_ctp;
	int ret;

	ACTIVATE_CTP(dbp_ctp, dbpcl_id, CT_DB);
	dbp = (DB *)dbp_ctp->ct_anyp;

	ret = dbp->rename(dbp, name, subdb, newname, flags);
	__dbdel_ctp(dbp_ctp);

	replyp->status = ret;
	return;
}

/* BEGIN __db_stat_proc */
/*
 * PUBLIC: void __db_stat_proc __P((long, u_int32_t, __db_stat_reply *,
 * PUBLIC:      int *));
 */
void
__db_stat_proc(dbpcl_id, flags, replyp, freep)
	long dbpcl_id;
	u_int32_t flags;
	__db_stat_reply *replyp;
	int * freep;
/* END __db_stat_proc */
{
	DB *dbp;
	DBTYPE type;
	ct_entry *dbp_ctp;
	u_int32_t *q, *p, *retsp;
	int i, len, ret;
	void *sp;

	ACTIVATE_CTP(dbp_ctp, dbpcl_id, CT_DB);
	dbp = (DB *)dbp_ctp->ct_anyp;

	ret = dbp->stat(dbp, &sp, flags);
	replyp->status = ret;
	if (ret != 0)
		return;
	/*
	 * We get here, we have success.  Allocate an array so that
	 * we can use the list generator.  Generate the reply, free
	 * up the space.
	 */
	/*
	 * XXX This assumes that all elements of all stat structures
	 * are u_int32_t fields.  They are, currently.
	 */
	(void)dbp->get_type(dbp, &type);
	if (type == DB_HASH)
		len = sizeof(DB_HASH_STAT);
	else if (type == DB_QUEUE)
		len = sizeof(DB_QUEUE_STAT);
	else            /* BTREE or RECNO are same stats */
		len = sizeof(DB_BTREE_STAT);
	replyp->stats.stats_len = len / sizeof(u_int32_t);

	if ((ret = __os_umalloc(dbp->dbenv, len * replyp->stats.stats_len,
	    &retsp)) != 0)
		goto out;
	for (i = 0, q = retsp, p = sp; i < len;
	    i++, q++, p++)
		*q = *p;
	replyp->stats.stats_val = retsp;
	__os_ufree(dbp->dbenv, sp);
	if (ret == 0)
		*freep = 1;
out:
	replyp->status = ret;
	return;
}

/* BEGIN __db_sync_proc */
/*
 * PUBLIC: void __db_sync_proc __P((long, u_int32_t, __db_sync_reply *));
 */
void
__db_sync_proc(dbpcl_id, flags, replyp)
	long dbpcl_id;
	u_int32_t flags;
	__db_sync_reply *replyp;
/* END __db_sync_proc */
{
	DB *dbp;
	ct_entry *dbp_ctp;
	int ret;

	ACTIVATE_CTP(dbp_ctp, dbpcl_id, CT_DB);
	dbp = (DB *)dbp_ctp->ct_anyp;

	ret = dbp->sync(dbp, flags);

	replyp->status = ret;
	return;
}

/* BEGIN __db_truncate_proc */
/*
 * PUBLIC: void __db_truncate_proc __P((long, long, u_int32_t,
 * PUBLIC:      __db_truncate_reply *));
 */
void
__db_truncate_proc(dbpcl_id, txnpcl_id,
		flags, replyp)
	long dbpcl_id;
	long txnpcl_id;
	u_int32_t flags;
	__db_truncate_reply *replyp;
/* END __db_truncate_proc */
{
	DB *dbp;
	DB_TXN *txnp;
	ct_entry *dbp_ctp, *txnp_ctp;
	u_int32_t count;
	int ret;

	ACTIVATE_CTP(dbp_ctp, dbpcl_id, CT_DB);
	dbp = (DB *)dbp_ctp->ct_anyp;
	if (txnpcl_id != 0) {
		ACTIVATE_CTP(txnp_ctp, txnpcl_id, CT_TXN);
		txnp = (DB_TXN *)txnp_ctp->ct_anyp;
	} else
		txnp = NULL;

	ret = dbp->truncate(dbp, txnp, &count, flags);
	replyp->status = ret;
	if (ret == 0)
		replyp->count = count;
	return;
}

/* BEGIN __db_cursor_proc */
/*
 * PUBLIC: void __db_cursor_proc __P((long, long, u_int32_t,
 * PUBLIC:      __db_cursor_reply *));
 */
void
__db_cursor_proc(dbpcl_id, txnpcl_id,
		flags, replyp)
	long dbpcl_id;
	long txnpcl_id;
	u_int32_t flags;
	__db_cursor_reply *replyp;
/* END __db_cursor_proc */
{
	DB *dbp;
	DBC *dbc;
	DB_TXN *txnp;
	ct_entry *dbc_ctp, *env_ctp, *dbp_ctp, *txnp_ctp;
	int ret;

	ACTIVATE_CTP(dbp_ctp, dbpcl_id, CT_DB);
	dbp = (DB *)dbp_ctp->ct_anyp;
	dbc_ctp = new_ct_ent(&replyp->status);
	if (dbc_ctp == NULL)
		return;

	if (txnpcl_id != 0) {
		ACTIVATE_CTP(txnp_ctp, txnpcl_id, CT_TXN);
		txnp = (DB_TXN *)txnp_ctp->ct_anyp;
		dbc_ctp->ct_activep = txnp_ctp->ct_activep;
	} else
		txnp = NULL;

	if ((ret = dbp->cursor(dbp, txnp, &dbc, flags)) == 0) {
		dbc_ctp->ct_dbc = dbc;
		dbc_ctp->ct_type = CT_CURSOR;
		dbc_ctp->ct_parent = dbp_ctp;
		env_ctp = dbp_ctp->ct_envparent;
		dbc_ctp->ct_envparent = env_ctp;
		__dbsrv_settimeout(dbc_ctp, env_ctp->ct_timeout);
		__dbsrv_active(dbc_ctp);
		replyp->dbcidcl_id = dbc_ctp->ct_id;
	} else
		__dbclear_ctp(dbc_ctp);

	replyp->status = ret;
	return;
}

/* BEGIN __db_join_proc */
/*
 * PUBLIC: void __db_join_proc __P((long, u_int32_t *, u_int32_t, u_int32_t,