/
conn.go
90 lines (75 loc) · 2.07 KB
/
conn.go
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// Copyright 2018 The tiglabs raft Authors.
//
// 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 util
import (
"net"
"time"
)
type ConnTimeout struct {
addr string
conn net.Conn
readTime time.Duration
writeTime time.Duration
}
func DialTimeout(addr string, connTime time.Duration) (*ConnTimeout, error) {
conn, err := net.DialTimeout("tcp", addr, connTime)
if err != nil {
return nil, err
}
conn.(*net.TCPConn).SetNoDelay(true)
conn.(*net.TCPConn).SetLinger(0)
conn.(*net.TCPConn).SetKeepAlive(true)
return &ConnTimeout{conn: conn, addr: addr}, nil
}
func NewConnTimeout(conn net.Conn) *ConnTimeout {
if conn == nil {
return nil
}
conn.(*net.TCPConn).SetNoDelay(true)
conn.(*net.TCPConn).SetLinger(0)
conn.(*net.TCPConn).SetKeepAlive(true)
return &ConnTimeout{conn: conn, addr: conn.RemoteAddr().String()}
}
func (c *ConnTimeout) SetReadTimeout(timeout time.Duration) {
c.readTime = timeout
}
func (c *ConnTimeout) SetWriteTimeout(timeout time.Duration) {
c.writeTime = timeout
}
func (c *ConnTimeout) Read(p []byte) (n int, err error) {
if c.readTime.Nanoseconds() > 0 {
err = c.conn.SetReadDeadline(time.Now().Add(c.readTime))
if err != nil {
return
}
}
n, err = c.conn.Read(p)
return
}
func (c *ConnTimeout) Write(p []byte) (n int, err error) {
if c.writeTime.Nanoseconds() > 0 {
err = c.conn.SetWriteDeadline(time.Now().Add(c.writeTime))
if err != nil {
return
}
}
n, err = c.conn.Write(p)
return
}
func (c *ConnTimeout) RemoteAddr() string {
return c.addr
}
func (c *ConnTimeout) Close() error {
return c.conn.Close()
}