33 lines
963 B
Go
33 lines
963 B
Go
|
// Copyright 2016 CoreOS, Inc.
|
||
|
|
//
|
||
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
|
// you may not use this file except in compliance with the License.
|
||
|
|
// You may obtain a copy of the License at
|
||
|
|
//
|
||
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
||
|
|
//
|
||
|
|
// Unless required by applicable law or agreed to in writing, software
|
||
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
|
// See the License for the specific language governing permissions and
|
||
|
|
// limitations under the License.
|
||
|
|
|
||
|
|
package omaha
|
||
|
|
|
||
|
|
import (
|
||
|
|
"net"
|
||
|
|
)
|
||
|
|
|
||
|
|
// isClosed detects if an error is due to a closed network connection,
|
||
|
|
// working around bug https://github.com/golang/go/issues/4373
|
||
|
|
func isClosed(err error) bool {
|
||
|
|
if err == nil {
|
||
|
|
return false
|
||
|
|
}
|
||
|
|
if operr, ok := err.(*net.OpError); ok {
|
||
|
|
err = operr.Err
|
||
|
|
}
|
||
|
|
// cry softly
|
||
|
|
return err.Error() == "use of closed network connection"
|
||
|
|
}
|