mirror of https://github.com/v2ray/v2ray-core
73 lines
1.3 KiB
Go
73 lines
1.3 KiB
Go
package net
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import (
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"io"
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"net"
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"time"
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)
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var (
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emptyTime time.Time
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)
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type TimeOutReader struct {
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timeout int
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connection net.Conn
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worker io.Reader
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}
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func NewTimeOutReader(timeout int, connection net.Conn) *TimeOutReader {
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reader := &TimeOutReader{
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connection: connection,
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timeout: -100,
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}
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reader.SetTimeOut(timeout)
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return reader
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}
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func (reader *TimeOutReader) Read(p []byte) (int, error) {
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return reader.worker.Read(p)
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}
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func (reader *TimeOutReader) GetTimeOut() int {
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return reader.timeout
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}
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func (reader *TimeOutReader) SetTimeOut(value int) {
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if value == reader.timeout {
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return
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}
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reader.timeout = value
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if value > 0 {
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reader.worker = &timedReaderWorker{
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timeout: value,
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connection: reader.connection,
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}
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} else {
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reader.worker = &noOpReaderWorker{
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connection: reader.connection,
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}
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}
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}
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type timedReaderWorker struct {
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timeout int
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connection net.Conn
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}
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func (this *timedReaderWorker) Read(p []byte) (int, error) {
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deadline := time.Duration(this.timeout) * time.Second
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this.connection.SetReadDeadline(time.Now().Add(deadline))
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nBytes, err := this.connection.Read(p)
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this.connection.SetReadDeadline(emptyTime)
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return nBytes, err
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}
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type noOpReaderWorker struct {
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connection net.Conn
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}
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func (this *noOpReaderWorker) Read(p []byte) (int, error) {
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return this.connection.Read(p)
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}
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