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30 lines
866 B
Go
30 lines
866 B
Go
// Copyright (C) 2017 Michał Matczuk
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// Use of this source code is governed by an AGPL-style
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// license that can be found in the LICENSE file.
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// +build !windows
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package tunnel
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import (
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"net"
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"time"
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"github.com/felixge/tcpkeepalive"
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)
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var (
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// DefaultKeepAliveIdleTime specifies how long connection can be idle
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// before sending keepalive message.
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DefaultKeepAliveIdleTime = 15 * time.Minute
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// DefaultKeepAliveCount specifies maximal number of keepalive messages
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// sent before marking connection as dead.
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DefaultKeepAliveCount = 8
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// DefaultKeepAliveInterval specifies how often retry sending keepalive
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// messages when no response is received.
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DefaultKeepAliveInterval = 5 * time.Second
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)
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func keepAlive(conn net.Conn) error {
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return tcpkeepalive.SetKeepAlive(conn, DefaultKeepAliveIdleTime, DefaultKeepAliveCount, DefaultKeepAliveInterval)
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}
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