44 lines
1.1 KiB
Go
44 lines
1.1 KiB
Go
package tun
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import "net"
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// Option defines a TUN device modifier option.
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type Option func(tun *TUN) error
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// Address sets the local address and subnet for an interface.
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// On MacOS devices use this function to set the Src Address
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// for an interface and use DestAddress to set the destination ip.
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func Address(address string) Option {
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return func(tun *TUN) error {
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return tun.setAddress(address)
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}
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}
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// MTU sets the Maximum Transmission Unit size for an interface.
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func MTU(mtu int) Option {
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return func(tun *TUN) error {
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return tun.setMTU(mtu)
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}
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}
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// DestAddress sets the destination address for a point-to-point interface.
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// Only use this option on MacOS devices.
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func DestAddress(address string) Option {
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return func(tun *TUN) error {
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return tun.setDestAddress(address)
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}
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}
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// Route adds an entry to the system route table
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func Route(dest net.IPNet) Option {
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return func(tun *TUN) error {
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return tun.addRoute(dest)
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}
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}
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// RemoveRoute removes an entry from the system route table
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func RemoveRoute(dest net.IPNet) Option {
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return func(tun *TUN) error {
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return tun.delRoute(dest)
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}
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}
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