64 lines
1.4 KiB
Go
64 lines
1.4 KiB
Go
// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package net
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import (
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"runtime"
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"testing"
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"time"
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)
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func testTimeout(t *testing.T, network, addr string, readFrom bool) {
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fd, err := Dial(network, addr)
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if err != nil {
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t.Errorf("dial %s %s failed: %v", network, addr, err)
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return
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}
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defer fd.Close()
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t0 := time.Now()
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fd.SetReadTimeout(1e8) // 100ms
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var b [100]byte
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var n int
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var err1 error
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if readFrom {
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n, _, err1 = fd.(PacketConn).ReadFrom(b[0:])
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} else {
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n, err1 = fd.Read(b[0:])
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}
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t1 := time.Now()
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what := "Read"
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if readFrom {
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what = "ReadFrom"
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}
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if n != 0 || err1 == nil || !err1.(Error).Timeout() {
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t.Errorf("fd.%s on %s %s did not return 0, timeout: %v, %v", what, network, addr, n, err1)
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}
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if dt := t1.Sub(t0); dt < 50*time.Millisecond || dt > 150*time.Millisecond {
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t.Errorf("fd.%s on %s %s took %s, expected 0.1s", what, network, addr, dt)
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}
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}
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func TestTimeoutUDP(t *testing.T) {
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if runtime.GOOS == "plan9" {
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return
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}
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testTimeout(t, "udp", "127.0.0.1:53", false)
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testTimeout(t, "udp", "127.0.0.1:53", true)
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}
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func TestTimeoutTCP(t *testing.T) {
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if runtime.GOOS == "plan9" {
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return
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}
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// set up a listener that won't talk back
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listening := make(chan string)
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done := make(chan int)
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go runServe(t, "tcp", "127.0.0.1:0", listening, done)
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addr := <-listening
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testTimeout(t, "tcp", addr, false)
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<-done
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}
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