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53 lines
1.6 KiB
53 lines
1.6 KiB
// +build linux
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/*
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* MinIO Cloud Storage, (C) 2020 MinIO, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package http
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import (
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"context"
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"net"
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"syscall"
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"time"
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)
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const (
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// TCPFastOpenConnect sets the underlying socket to use
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// the TCP fast open connect. This feature is supported
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// since Linux 4.11.
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TCPFastOpenConnect = 30
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)
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// DialContext is a function to make custom Dial for internode communications
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type DialContext func(ctx context.Context, network, address string) (net.Conn, error)
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// NewCustomDialContext setups a custom dialer for internode communications
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func NewCustomDialContext(dialTimeout, dialKeepAlive time.Duration) DialContext {
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return func(ctx context.Context, network, addr string) (net.Conn, error) {
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dialer := &net.Dialer{
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Timeout: dialTimeout,
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KeepAlive: dialKeepAlive,
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Control: func(network, address string, c syscall.RawConn) error {
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return c.Control(func(fd uintptr) {
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// Enable TCP fast connect
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_ = syscall.SetsockoptInt(int(fd), syscall.IPPROTO_TCP, TCPFastOpenConnect, 1)
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})
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},
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}
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return dialer.DialContext(ctx, network, addr)
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}
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}
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