125 lines
4.0 KiB
Go
125 lines
4.0 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 errors
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import (
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"github.com/pkg/errors"
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)
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var (
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// ErrSystemError represents the error is a system error.
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ErrSystemError = errors.New("system error")
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// ErrURLNotReachable represents the url is a not reachable.
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ErrURLNotReachable = errors.New("url not reachable")
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// ErrTaskIDDuplicate represents the task id is in conflict.
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ErrTaskIDDuplicate = errors.New("taskId conflict")
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// ErrPieceCountNotEqual represents the number of pieces downloaded does not match the amount of meta information
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ErrPieceCountNotEqual = errors.New("inconsistent number of pieces")
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// ErrFileLengthNotEqual represents the file length of downloaded dose not match the length of meta information
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ErrFileLengthNotEqual = errors.New("inconsistent file length")
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// ErrDownloadFail represents an exception was encountered while downloading the file
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ErrDownloadFail = errors.New("resource download failed")
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// ErrResourceExpired represents the downloaded resource has expired
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ErrResourceExpired = errors.New("resource expired")
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// ErrResourceNotSupportRangeRequest represents the downloaded resource does not support Range downloads
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ErrResourceNotSupportRangeRequest = errors.New("resource does not support range request")
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// ErrPieceMd5NotMatch represents the MD5 value of the download file is inconsistent with the meta information
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ErrPieceMd5NotMatch = errors.New("piece md5 check fail")
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// ErrDataNotFound represents the data cannot be found.
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ErrDataNotFound = errors.New("data not found")
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// ErrFileNotExist represents the file is not exists
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ErrFileNotExist = errors.New("file or directory not exist")
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// ErrInvalidValue represents the value is invalid.
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ErrInvalidValue = errors.New("invalid value")
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// ErrConvertFailed represents failed to convert.
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ErrConvertFailed = errors.New("convert failed")
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// ErrRangeNotSatisfiable represents the length of file is insufficient.
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ErrRangeNotSatisfiable = errors.New("range not satisfiable")
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)
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// IsSystemError checks the error is a system error or not.
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func IsSystemError(err error) bool {
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return errors.Cause(err) == ErrSystemError
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}
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// IsURLNotReachable checks the error is a url not reachable or not.
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func IsURLNotReachable(err error) bool {
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return errors.Cause(err) == ErrURLNotReachable
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}
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// IsTaskIDDuplicate checks the error is a TaskIDDuplicate error or not.
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func IsTaskIDDuplicate(err error) bool {
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return errors.Cause(err) == ErrTaskIDDuplicate
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}
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func IsPieceCountNotEqual(err error) bool {
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return errors.Cause(err) == ErrPieceCountNotEqual
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}
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func IsFileLengthNotEqual(err error) bool {
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return errors.Cause(err) == ErrFileLengthNotEqual
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}
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func IsDownloadFail(err error) bool {
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return errors.Cause(err) == ErrDownloadFail
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}
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func IsResourceExpired(err error) bool {
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return errors.Cause(err) == ErrResourceExpired
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}
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func IsResourceNotSupportRangeRequest(err error) bool {
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return errors.Cause(err) == ErrResourceNotSupportRangeRequest
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}
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func IsPieceMd5NotMatch(err error) bool {
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return errors.Cause(err) == ErrPieceMd5NotMatch
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}
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func IsDataNotFound(err error) bool {
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return errors.Cause(err) == ErrDataNotFound
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}
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func IsInvalidValue(err error) bool {
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return errors.Cause(err) == ErrInvalidValue
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}
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func IsConvertFailed(err error) bool {
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return errors.Cause(err) == ErrConvertFailed
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}
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func IsRangeNotSatisfiable(err error) bool {
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return errors.Cause(err) == ErrRangeNotSatisfiable
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}
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func IsFileNotExist(err error) bool {
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return errors.Cause(err) == ErrFileNotExist
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}
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