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https://github.com/yggdrasil-network/yggdrasil-go.git
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29 lines
546 B
Go
29 lines
546 B
Go
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// +build darwin
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package yggdrasil
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import (
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"syscall"
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"golang.org/x/sys/unix"
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)
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// WARNING: This context is used both by net.Dialer and net.Listen in tcp.go
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func (iface *tcpInterface) tcpContext(network, address string, c syscall.RawConn) error {
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var control error
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var recvanyif error
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control = c.Control(func(fd uintptr) {
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// sys/socket.h: #define SO_RECV_ANYIF 0x1104
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recvanyif = unix.SetsockoptInt(int(fd), syscall.SOL_SOCKET, 0x1104, 1)
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})
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switch {
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case recvanyif != nil:
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return recvanyif
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default:
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return control
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}
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}
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