#!/bin/bash
if ! command -v apt-get &> /dev/null; then
echo -e "\033[31m此脚本仅支持基于 Debian/Ubuntu 的系统，请在支持 apt-get 的系统上运行！\033[0m"
exit 1
fi
REQUIRED_CMDS=("curl" "wget" "dpkg" "awk" "sed" "sysctl" "jq")
for cmd in "${REQUIRED_CMDS[@]}"; do
if ! command -v $cmd &> /dev/null; then
echo -e "\033[33m缺少依赖：$cmd，正在安装...\033[0m"
sudo apt-get update && sudo apt-get install -y $cmd > /dev/null 2>&1
fi
done
ARCH=$(uname -m)
if [[ "$ARCH" != "aarch64" && "$ARCH" != "x86_64" ]]; then
echo -e "\033[31m 这个脚本只支持 ARM 和 x86_64 架构~ 您的系统架构是：$ARCH\033[0m"
exit 1
fi
CURRENTALGO=$(sysctl net.ipv4.tcpcongestion_control | awk '{print $3}')
CURRENTQDISC=$(sysctl net.core.defaultqdisc | awk '{print $3}')
SYSCTL_CONF="/etc/sysctl.d/99-joeyblog.conf"
cleansysctlconf() {
sudo touch "$SYSCTL_CONF"
sudo sed -i '/net.core.defaultqdisc/d' "$SYSCTLCONF"
sudo sed -i '/net.ipv4.tcpcongestioncontrol/d' "$SYSCTL_CONF"
}
asktosave() {
echo -n -e "\033[36m 要将这些配置永久保存到 $SYSCTL_CONF 吗？(y/n): \033[0m"
read -r SAVE
if [[ "$SAVE" == "y" || "$SAVE" == "Y" ]]; then
cleansysctlconf
echo "net.core.defaultqdisc=$QDISC" | sudo tee -a "$SYSCTLCONF" > /dev/null
echo "net.ipv4.tcpcongestioncontrol=$ALGO" | sudo tee -a "$SYSCTL_CONF" > /dev/null
sudo sysctl --system > /dev/null 2>&1
echo -e "\033[1;32m 更改已永久保存啦~\033[0m"
else
echo -e "\033[33m 好吧，没有永久保存呢~\033[0m"
fi
}
getinstalledversion() {
dpkg -l | grep "linux-image" | grep "joeyblog" | awk '{print $2}' | sed 's/linux-image-//' | head -n 1
}
update_bootloader() {
echo -e "\033[36m正在更新引导加载程序...\033[0m"
if command -v update-grub &> /dev/null; then
echo -e "\033[33m检测到 GRUB，正在执行 update-grub...\033[0m"
if sudo update-grub; then
echo -e "\033[1;32mGRUB 更新成功！\033[0m"
return 0
else
echo -e "\033[1;31mGRUB 更新失败！\033[0m"
return 1
fi
else
echo -e "\033[33m未找到 'update-grub'。您的系统可能使用 U-Boot 或其他引导程序。\033[0m"
echo -e "\033[33m在许多 ARM 系统上，内核安装包会自动处理引导更新，通常无需手动操作。\033[0m"
echo -e "\033[33m如果重启后新内核未生效，您可能需要手动更新引导配置，请参考您系统的文档。\033[0m"
return 0
fi
}
install_packages() {
if ! ls /tmp/linux-*.deb &> /dev/null; then
echo -e "\033[31m错误：未在 /tmp 目录下找到内核文件，安装中止。\033[0m"
return 1
fi
echo -e "\033[36m开始卸载旧版内核... \033[0m"
INSTALLED_PACKAGES=$(dpkg -l | grep "joeyblog" | awk '{print $2}' | tr '\n' ' ')
if [[ -n "$INSTALLED_PACKAGES" ]]; then
sudo apt-get remove --purge $INSTALLED_PACKAGES -y > /dev/null 2>&1
fi
echo -e "\033[36m开始安装新内核... \033[0m"
if sudo dpkg -i /tmp/linux-*.deb && update_bootloader; then
echo -e "\033[1;32m内核安装并配置完成！\033[0m"
echo -n -e "\033[33m需要重启系统来加载新内核。是否立即重启？ (y/n): \033[0m"
read -r REBOOT_NOW
if [[ "$REBOOTNOW" == "y" || "$REBOOTNOW" == "Y" ]]; then
echo -e "\033[36m系统即将重启...\033[0m"
sudo reboot
else
echo -e "\033[33m操作完成。请记得稍后手动重启 ('sudo reboot') 来应用新内核。\033[0m"
fi
else
echo -e "\033[1;31m内核安装或引导更新失败！系统可能处于不稳定状态。请不要重启并寻求手动修复！\033[0m"
fi
}
installlatestversion() {
echo -e "\033[36m正在从 GitHub 获取最新版本信息...\033[0m"
BASE_URL="https://api.github.com/repos/byJoey/Actions-bbr-v3/releases"
RELEASEDATA=$(curl -sL "$BASEURL")
if [[ -z "$RELEASE_DATA" ]]; then
echo -e "\033[31m从 GitHub 获取版本信息失败。请检查网络连接或 API 状态。\033[0m"
return 1
fi
local ARCH_FILTER=""
[[ "$ARCH" == "aarch64" ]] && ARCH_FILTER="arm64"
[[ "$ARCH" == "x8664" ]] && ARCHFILTER="x86_64"
LATESTTAGNAME=$(echo "$RELEASEDATA" | jq -r --arg filter "$ARCHFILTER" 'map(select(.tagname | test($filter; "i"))) | sortby(.publishedat) | .[-1].tagname')
if [[ -z "$LATESTTAGNAME" || "$LATESTTAGNAME" == "null" ]]; then
echo -e "\033[31m未找到适合当前架构 ($ARCH) 的最新版本。\033[0m"
return 1
fi
echo -e "\033[36m检测到最新版本：\033[0m\033[1;32m$LATESTTAGNAME\033[0m"
INSTALLEDVERSION=$(getinstalled_version)
echo -e "\033[36m当前已安装版本：\033[0m\033[1;32m${INSTALLED_VERSION:-"未安装"}\033[0m"
CORELATESTVERSION="${LATESTTAGNAME#x86_64-}"
CORELATESTVERSION="${CORELATESTVERSION#arm64-}"
if [[ -n "$INSTALLEDVERSION" && "$INSTALLEDVERSION" == "$CORELATESTVERSION"* ]]; then
# 修复了此处的颜文字，将反引号 ` 替换为单引号 '
echo -e "\033[1;32m(o'▽'o) 您已安装最新版本，无需更新！\033[0m"
return 0
fi
echo -e "\033[33m发现新版本或未安装内核，准备下载...\033[0m"
ASSETURLS=$(echo "$RELEASEDATA" | jq -r --arg tag "$LATESTTAGNAME" '.[] | select(.tagname == $tag) | .assets[].browserdownload_url')
rm -f /tmp/linux-*.deb
for URL in $ASSET_URLS; do
echo -e "\033[36m正在下载文件：$URL\033[0m"
wget -q --show-progress "$URL" -P /tmp/ || { echo -e "\033[31m下载失败：$URL\033[0m"; return 1; }
done
install_packages
}
installspecificversion() {
BASE_URL="https://api.github.com/repos/byJoey/Actions-bbr-v3/releases"
RELEASEDATA=$(curl -s "$BASEURL")
if [[ -z "$RELEASE_DATA" ]]; then
echo -e "\033[31m从 GitHub 获取版本信息失败。请检查网络连接或 API 状态。\033[0m"
return 1
fi
local ARCH_FILTER=""
[[ "$ARCH" == "aarch64" ]] && ARCH_FILTER="arm64"
[[ "$ARCH" == "x8664" ]] && ARCHFILTER="x86_64"
MATCHTAGS=$(echo "$RELEASEDATA" | jq -r --arg filter "$ARCHFILTER" '.[] | select(.tagname | test($filter; "i")) | .tag_name')
if [[ -z "$MATCH_TAGS" ]]; then
echo -e "\033[31m未找到适合当前架构的版本。\033[0m"
return 1
fi
echo -e "\033[36m以下为适用于当前架构的版本：\033[0m"
IFS=$'\n' read -rd '' -a TAGARRAY <<<"$MATCHTAGS"
for i in "${!TAG_ARRAY[@]}"; do
echo -e "\033[33m $((i+1)). ${TAG_ARRAY[$i]}\033[0m"
done
echo -n -e "\033[36m请输入要安装的版本编号（例如 1）：\033[0m"
read -r CHOICE
if ! [[ "$CHOICE" =~ ^[0-9]+$ ]] || (( CHOICE < 1 || CHOICE > ${#TAG_ARRAY[@]} )); then
echo -e "\033[31m输入无效编号，取消操作。\033[0m"
return 1
fi
INDEX=$((CHOICE-1))
SELECTEDTAG="${TAGARRAY[$INDEX]}"
echo -e "\033[36m已选择版本：\033[0m\033[1;32m$SELECTED_TAG\033[0m"
ASSETURLS=$(echo "$RELEASEDATA" | jq -r --arg tag "$SELECTEDTAG" '.[] | select(.tagname == $tag) | .assets[].browserdownloadurl')
rm -f /tmp/linux-*.deb
for URL in $ASSET_URLS; do
echo -e "\033[36m下载中：$URL\033[0m"
wget -q --show-progress "$URL" -P /tmp/ || { echo -e "\033[31m下载失败：$URL\033[0m"; return 1; }
done
install_packages
}
print_separator() {
echo -e "\033[34m━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━\033[0m"
}
clear
print_separator
echo -e "\033[1;35m 欢迎使用 BBR 管理脚本！ \033[0m"
print_separator
echo -e "\033[36m当前 TCP 拥塞控制算法：\033[0m\033[1;32m$CURRENT_ALGO\033[0m"
echo -e "\033[36m当前队列管理算法： \033[0m\033[1;32m$CURRENT_QDISC\033[0m"
echo -e "\033[1;33m 你可以选择以下操作：\033[0m"
echo -e "\033[33m 1. ⚡ 安装或更新 BBR v3 (最新版)\033[0m"
echo -e "\033[33m 2. ⚡ 指定版本安装\033[0m"
echo -e "\033[33m 3. ⚡ 检查 BBR v3 状态\033[0m"
echo -e "\033[33m 4. ⚡ 启用 BBR + FQ\033[0m"
echo -e "\033[33m 5. ⚡ 启用 BBR + FQ_PIE\033[0m"
echo -e "\033[33m 6. ⚡ 启用 BBR + CAKE\033[0m"
echo -e "\033[33m 7. ⚡ 卸载 BBR 内核\033[0m"
print_separator
echo -n -e "\033[36m请选择一个操作 (1-7) : \033[0m"
read -r ACTION
case "$ACTION" in
1)
echo -e "\033[1;32m٩ 您选择了安装或更新 BBR v3！\033[0m"
installlatestversion
;;
2)
echo -e "\033[1;32m 您选择了安装指定版本的 BBR！\033[0m"
installspecificversion
;;
3)
echo -e "\033[1;32m(｡･ω･｡) 检查是否为 BBR v3...\033[0m"
BBRMODULEINFO=$(modinfo tcp_bbr 2>/dev/null)
if [[ -z "$BBRMODULEINFO" ]]; then
echo -e "\033[31m 未加载 tcp_bbr 模块，无法检查版本。请先安装内核并重启。\033[0m"
exit 1
fi
BBRVERSION=$(echo "$BBRMODULE_INFO" | awk '/^version:/ {print $2}')
if [[ "$BBR_VERSION" == "3" ]]; then
echo -e "\033[36m✔ BBR 模块版本：\033[0m\033[1;32m$BBR_VERSION (v3)\033[0m"
else
echo -e "\033[33m 检测到 BBR 模块，但版本是：$BBR_VERSION，不是 v3！\033[0m"
fi
CURRENTALGO=$(sysctl net.ipv4.tcpcongestion_control | awk '{print $3}')
if [[ "$CURRENT_ALGO" == "bbr" ]]; then
echo -e "\033[36m✔ TCP 拥塞控制算法：\033[0m\033[1;32m$CURRENT_ALGO\033[0m"
else
echo -e "\033[31m 当前算法不是 bbr，而是：$CURRENT_ALGO\033[0m"
fi
if [[ "$BBRVERSION" == "3" && "$CURRENTALGO" == "bbr" ]]; then
echo -e "\033[1;32m 检测完成，BBR v3 已正确安装并生效！\033[0m"
else
echo -e "\033[33mBBR v3 未完全生效。请确保已安装内核并重启，然后使用选项 4/5/6 启用。\033[0m"
fi
;;
4)
echo -e "\033[1;32m 使用 BBR + FQ 加速！\033[0m"
ALGO="bbr"
QDISC="fq"
asktosave
;;
5)
echo -e "\033[1;32m 使用 BBR + FQ_PIE 加速！\033[0m"
ALGO="bbr"
QDISC="fq_pie"
asktosave
;;
6)
echo -e "\033[1;32m 使用 BBR + CAKE 加速！\033[0m"
ALGO="bbr"
QDISC="cake"
asktosave
;;
7)
echo -e "\033[1;32m 您选择了卸载 BBR 内核！\033[0m"
PACKAGESTOREMOVE=$(dpkg -l | grep "joeyblog" | awk '{print $2}' | tr '\n' ' ')
if [[ -n "$PACKAGESTOREMOVE" ]]; then
echo -e "\033[36m将要卸载以下内核包: \033[33m$PACKAGESTOREMOVE\033[0m"
sudo apt-get remove --purge $PACKAGESTOREMOVE -y
update_bootloader
echo -e "\033[1;32m内核包已卸载。请记得重启系统。\033[0m"
else
echo -e "\033[33m未找到由本脚本安装的 'joeyblog' 内核包。\033[0m"
fi
;;
*)
echo -e "\033[31m 无效的选项，请输入 1-7 之间的数字~\033[0m"
;;
esac