mirror of https://github.com/minio/minio.git
49 lines
1.5 KiB
Go
49 lines
1.5 KiB
Go
/*
|
|
* Minio Cloud Storage, (C) 2017 Minio, 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 http
|
|
|
|
import (
|
|
"net"
|
|
"sync/atomic"
|
|
"time"
|
|
)
|
|
|
|
// QuirkConn - similar to golang net.Conn struct, but contains a workaround of the
|
|
// following the go bug reported here https://github.com/golang/go/issues/21133.
|
|
// Once the bug will be fixed, we can remove this structure and replaces it with
|
|
// the standard net.Conn
|
|
type QuirkConn struct {
|
|
net.Conn
|
|
hadReadDeadlineInPast int32 // atomic
|
|
}
|
|
|
|
// SetReadDeadline - implements a workaround of SetReadDeadline go bug
|
|
func (q *QuirkConn) SetReadDeadline(t time.Time) error {
|
|
inPast := int32(0)
|
|
if t.Before(time.Now()) {
|
|
inPast = 1
|
|
}
|
|
atomic.StoreInt32(&q.hadReadDeadlineInPast, inPast)
|
|
return q.Conn.SetReadDeadline(t)
|
|
}
|
|
|
|
// canSetReadDeadline - returns if it is safe to set a new
|
|
// read deadline without triggering golang/go#21133 issue.
|
|
func (q *QuirkConn) canSetReadDeadline() bool {
|
|
return atomic.LoadInt32(&q.hadReadDeadlineInPast) != 1
|
|
}
|