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timeout_listener.go
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/
timeout_listener.go
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/*
Copyright 2014 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 transport
import (
"net"
"time"
)
// NewTimeoutListener returns a listener that listens on the given address.
// If read/write on the accepted connection blocks longer than its time limit,
// it will return timeout error.
func NewTimeoutListener(addr string, scheme string, info TLSInfo, rdtimeoutd, wtimeoutd time.Duration) (net.Listener, error) {
ln, err := NewListener(addr, scheme, info)
if err != nil {
return nil, err
}
return &rwTimeoutListener{
Listener: ln,
rdtimeoutd: rdtimeoutd,
wtimeoutd: wtimeoutd,
}, nil
}
type rwTimeoutListener struct {
net.Listener
wtimeoutd time.Duration
rdtimeoutd time.Duration
}
func (rwln *rwTimeoutListener) Accept() (net.Conn, error) {
c, err := rwln.Listener.Accept()
if err != nil {
return nil, err
}
return timeoutConn{
Conn: c,
wtimeoutd: rwln.wtimeoutd,
rdtimeoutd: rwln.rdtimeoutd,
}, nil
}