25 lines
520 B
Go
25 lines
520 B
Go
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//go:build linux
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// +build linux
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package transport
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import (
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"net"
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"syscall"
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)
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// bindToInterface returns a Control function that binds connections
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// to the specified network interface using SO_BINDTODEVICE.
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func bindToInterface(iface string) func(string, string, syscall.RawConn) error {
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return func(network, address string, c syscall.RawConn) error {
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var err error
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c.Control(func(fd uintptr) {
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err = syscall.BindToDevice(int(fd), iface)
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})
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return err
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}
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}
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// Ensure net import is used
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var _ net.Conn
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