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Add net control funcs

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世界 2022-06-30 17:39:41 +08:00
parent a784aec420
commit ddfe73e899
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7 changed files with 97 additions and 0 deletions
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21
common/control/reuse_linux.go Normal file
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@ -0,0 +1,21 @@
package control
import (
"syscall"
"github.com/sagernet/sing/common"
)
func ReuseAddr() Func {
return func(network, address string, conn syscall.RawConn) error {
var innerErr error
err := conn.Control(func(fd uintptr) {
const SO_REUSEPORT = 0xf
innerErr = common.AnyError(
syscall.SetsockoptInt(int(fd), syscall.SOL_SOCKET, syscall.SO_REUSEADDR, 1),
syscall.SetsockoptInt(int(fd), syscall.SOL_SOCKET, SO_REUSEPORT, 1),
)
})
return common.AnyError(innerErr, err)
}
}