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service-errors.go
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service-errors.go
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/*
* Copyright (c) 2019-2021. Abstrium SAS <team (at) pydio.com>
* This file is part of Pydio Cells.
*
* Pydio Cells is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Pydio Cells is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with Pydio Cells. If not, see <http://www.gnu.org/licenses/>.
*
* The latest code can be found at <https://pydio.com>.
*/
// Package error creates and parses common errors
package error
import (
"regexp"
"strconv"
"strings"
)
const (
ErrServiceStartNeedsRetry = "ErrServiceStartNeedsRetry"
)
// IsErrorPortPermissionDenied checks wether the passed error fits with the error returned when we cannot bind a protected port that is below 1024.
func IsErrorPortPermissionDenied(err error) (bool, int) {
pattern := regexp.MustCompile(`listen tcp :\d{1,4}: bind: permission denied`)
pattern2 := regexp.MustCompile(`\d{1,4}`)
if pattern.MatchString(err.Error()) {
port, _ := strconv.Atoi(pattern2.FindString(err.Error()))
if port < 1024 {
return true, port
}
}
return false, 0
}
// IsErrorPortBusy checks wether the passed error fits with the error returned when trying to bind a port that is already in use.
func IsErrorPortBusy(err error) bool {
return strings.HasSuffix(err.Error(), "bind: address already in use")
}
func IsServiceStartNeedsRetry(err error) bool {
return strings.Contains(err.Error(), ErrServiceStartNeedsRetry)
}