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package control | ||
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import ( | ||
"syscall" | ||
"time" | ||
_ "unsafe" | ||
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E "github.com/sagernet/sing/common/exceptions" | ||
N "github.com/sagernet/sing/common/network" | ||
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"golang.org/x/sys/unix" | ||
) | ||
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func SetKeepAlivePeriod(idle time.Duration, interval time.Duration) Func { | ||
return func(network, address string, conn syscall.RawConn) error { | ||
if N.NetworkName(network) != N.NetworkTCP { | ||
return nil | ||
} | ||
return Raw(conn, func(fd uintptr) error { | ||
return E.Errors( | ||
unix.SetsockoptInt(int(fd), unix.IPPROTO_TCP, unix.TCP_KEEPIDLE, int(roundDurationUp(idle, time.Second))), | ||
unix.SetsockoptInt(int(fd), unix.IPPROTO_TCP, unix.TCP_KEEPINTVL, int(roundDurationUp(interval, time.Second))), | ||
) | ||
}) | ||
} | ||
} | ||
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//go:linkname roundDurationUp net.roundDurationUp | ||
func roundDurationUp(d time.Duration, to time.Duration) time.Duration |
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//go:build !linux | ||
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package control | ||
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import ( | ||
"time" | ||
) | ||
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func SetKeepAlivePeriod(idle time.Duration, interval time.Duration) Func { | ||
return nil | ||
} |