个人玩法之：可选 mux 的 tcp brutal

[LjhAUMEM]

https://github.com/LjhAUMEM/Xray-core/tree/tcp-brutal-2 此为 #5727 的改进版，之前只能设置 tcp 传输层，现在则适用所有基于 tcp 传输层

由于无 mux 多客户端下几乎必炸服务端，且无协商方式可能有悖 brutal 设计初衷，所以仅为个人玩法，但我都个人了我管你这的那的，为什么用之前一定要先上个 mux，应该给用户 mux 自由，同时开放了 cwnd 设置

前置准备同前 #5727

可选 xhttp 配置 maxConcurrency 来实现 mux，可观察 setBrutalRate 日志判断 mux 是否设置上

cmd

git clone -b tcp-brutal-2 https://github.com/LjhAUMEM/Xray-core
cd Xray-core

set CGO_ENABLED=0
set GOOS=linux
set GOARCH=amd64

go build -o xray -trimpath -buildvcs=false -gcflags="all=-l=4" -ldflags="-s -w -buildid=" -v ./main

参考 conf

{
  "log": { "loglevel": "debug" },
  "inbounds": [
    {
      "listen": "127.0.0.1",
      "port": 1080,
      "protocol": "socks",
      "settings": {
        "auth": "noauth",
        "udp": true
      }
    }
  ],
  "outbounds": [
    {
      "protocol": "vless",
      "settings": {
        "address": "127.0.0.1",
        "port": 1081,
        "id": "5783a3e7-e373-51cd-8642-c83782b807c5",
        "encryption": "none"
      },
      "streamSettings": {
        "network": "xhttp",
        "xhttpSettings": {
          // "maxConcurrency": 16
        },
        "security": "tls",
        "tlsSettings": {
          "serverName": "example.com",
          "pinnedPeerCertSha256": "f91e9cf7e75e42b020eb974e44302430157bd665a2c402e6dc3c7fd9fb7d7e1b"
        }
      }
    }
  ]
}

{
  "log": { "loglevel": "debug" },
  "inbounds": [
    {
      // "listen": "127.0.0.1",
      "port": 1081,
      "protocol": "vless",
      "settings": {
        "clients": [
          {
            "id": "5783a3e7-e373-51cd-8642-c83782b807c5"
          }
        ],
        "decryption": "none"
      },
      "streamSettings": {
        "network": "xhttp",
        "xhttpSettings": {
          // "maxConcurrency": 16
        },
        "security": "tls",
        "tlsSettings": {
          "certificates": [
            {
              "certificateFile": "ca.crt",
              "keyFile": "ca.key"
            }
          ]
        },
        "sockopt": {
          "rate": 19660800, // 150*1024*1024/8
          "cwnd": 15
        }
      }
    }
  ],
  "outbounds": [
    {
      "protocol": "freedom"
    }
  ]
}

因为客户端多是非 linux，所以没适配出站，目前仅入站，也就是服务端到客户端方向 brutal