go main_posix_test 源码
golang main_posix_test 代码
文件路径：/src/net/main_posix_test.go
// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build !js && !plan9
package net
import (
"net/internal/socktest"
"strings"
"syscall"
)
func enableSocketConnect() {
sw.Set(socktest.FilterConnect, nil)
}
func disableSocketConnect(network string) {
net, _, _ := strings.Cut(network, ":")
sw.Set(socktest.FilterConnect, func(so *socktest.Status) (socktest.AfterFilter, error) {
switch net {
case "tcp4":
if so.Cookie.Family() == syscall.AF_INET && so.Cookie.Type() == syscall.SOCK_STREAM {
return nil, syscall.EHOSTUNREACH
}
case "udp4":
if so.Cookie.Family() == syscall.AF_INET && so.Cookie.Type() == syscall.SOCK_DGRAM {
return nil, syscall.EHOSTUNREACH
}
case "ip4":
if so.Cookie.Family() == syscall.AF_INET && so.Cookie.Type() == syscall.SOCK_RAW {
return nil, syscall.EHOSTUNREACH
}
case "tcp6":
if so.Cookie.Family() == syscall.AF_INET6 && so.Cookie.Type() == syscall.SOCK_STREAM {
return nil, syscall.EHOSTUNREACH
}
case "udp6":
if so.Cookie.Family() == syscall.AF_INET6 && so.Cookie.Type() == syscall.SOCK_DGRAM {
return nil, syscall.EHOSTUNREACH
}
case "ip6":
if so.Cookie.Family() == syscall.AF_INET6 && so.Cookie.Type() == syscall.SOCK_RAW {
return nil, syscall.EHOSTUNREACH
}
}
return nil, nil
})
}
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