61 lines
2.0 KiB
Go
61 lines
2.0 KiB
Go
/*
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* Copyright 2020 The Dragonfly Authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package storedriver
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import (
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cdnerrors "d7y.io/dragonfly/v2/cdnsystem/errors"
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"github.com/pkg/errors"
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)
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// CheckGetRaw check before get Raw
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func CheckGetRaw(raw *Raw, fileLength int64) error {
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// if raw.Length < 0 ,read All data
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if raw.Offset < 0 {
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return errors.Wrapf(cdnerrors.ErrInvalidValue, "the offset: %d is a negative integer", raw.Offset)
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}
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if raw.Length < 0 {
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return errors.Wrapf(cdnerrors.ErrInvalidValue, "the length: %d is a negative integer", raw.Length)
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}
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if fileLength < raw.Offset {
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return errors.Wrapf(cdnerrors.ErrInvalidValue, "the offset: %d is lager than the file length: %d", raw.Offset, fileLength)
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}
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if fileLength < (raw.Offset + raw.Length) {
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return errors.Wrapf(cdnerrors.ErrInvalidValue, "the offset: %d and length: %d is lager than the file length: %d", raw.Offset, raw.Length, fileLength)
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}
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return nil
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}
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// CheckPutRaw check before put Raw
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func CheckPutRaw(raw *Raw) error {
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if raw.Offset < 0 {
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return errors.Wrapf(cdnerrors.ErrInvalidValue, "the offset: %d is a negative integer", raw.Offset)
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}
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if raw.Length < 0 {
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return errors.Wrapf(cdnerrors.ErrInvalidValue, "the length: %d is a negative integer", raw.Length)
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}
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return nil
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}
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// CheckTrunc check before trunc file content
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func CheckTrunc(raw *Raw) error {
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if raw.Trunc && raw.TruncSize < 0 {
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return errors.Wrapf(cdnerrors.ErrInvalidValue, "the truncSize: %d is a negative integer", raw.Length)
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}
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return nil
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}
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