syncthing/lib/connections/config.go

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// Copyright (C) 2017 The Syncthing Authors.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at http://mozilla.org/MPL/2.0/.
package connections
import (
"io/ioutil"
"time"
"github.com/hashicorp/yamux"
)
const (
tcpPriority = 10
kcpPriority = 50
relayPriority = 200
// KCP filter priorities
kcpNoFilterPriority = 100
kcpConversationFilterPriority = 20
kcpStunFilterPriority = 10
// KCP SetNoDelay options
// 0 - disabled (default)
// 1 - enabled
kcpNoDelay = 0
kcpUpdateInterval = 100 // ms (default)
// 0 - disable (default)
// 1 - enabled
kcpFastResend = 0
// 0 - enabled (default)
// 1 - disabled
kcpCongestionControl = 0
// KCP window sizes
kcpSendWindowSize = 128
kcpReceiveWindowSize = 128
)
var (
yamuxConfig = &yamux.Config{
AcceptBacklog: 256,
EnableKeepAlive: true,
KeepAliveInterval: 30 * time.Second,
ConnectionWriteTimeout: 10 * time.Second,
MaxStreamWindowSize: 256 * 1024,
LogOutput: ioutil.Discard,
}
)