313 lines
10 KiB
Bash
Executable File
313 lines
10 KiB
Bash
Executable File
#!/bin/bash
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# Hot-Reload Dev Script for TopFans Backend
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# Usage: ./dev.sh
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#
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# Requires: fswatch (Mac: brew install fswatch) or inotifywait (Linux)
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set -e
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# 信号捕获：优雅退出
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cleanup() {
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echo ""
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echo -e "${YELLOW}🛑 收到停止信号，正在关闭所有服务...${NC}"
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# 先杀所有 watcher 和 debounce 进程（防止继续触发重启）
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if [ -f /tmp/dev_sh_watchers.tmp ]; then
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while read watcher_pid; do
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kill "$watcher_pid" 2>/dev/null || true
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done < /tmp/dev_sh_watchers.tmp
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rm -f /tmp/dev_sh_watchers.tmp
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fi
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# 清理所有 PID 文件并杀服务进程
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for service in activityService galleryService socialService assetService userService gateway; do
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pkill -9 -f "$service" 2>/dev/null || true
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rm -f "/tmp/dev_sh_${service}.pid" "/tmp/dev_sh_${service}_restart"
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echo -e "${YELLOW} 🛑 $service 已停止${NC}"
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done
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echo -e "${GREEN}✅ 所有服务已关闭${NC}"
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exit 0
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}
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trap cleanup SIGINT SIGTERM
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RED='\033[0;31m'
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GREEN='\033[0;32m'
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YELLOW='\033[1;33m'
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CYAN='\033[0;36m'
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NC='\033[0m'
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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cd "$SCRIPT_DIR"
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# Detect platform
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if [[ "$(uname)" == "Darwin" ]]; then
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WATCHER_TOOL="fswatch"
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WATCHER_CMD="fswatch -r"
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elif [[ "$(uname)" == "Linux" ]]; then
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WATCHER_TOOL="inotifywait"
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WATCHER_CMD="inotifywait -r -m -e modify,create,write"
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else
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echo -e "${RED}不支持的平台${NC}"
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exit 1
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fi
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if ! command -v "$WATCHER_TOOL" &> /dev/null; then
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echo -e "${RED}缺少工具: $WATCHER_TOOL${NC}"
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if [[ "$(uname)" == "Darwin" ]]; then
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echo "安装方法: brew install fswatch"
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else
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echo "安装方法: sudo apt install inotify-tools (Debian/Ubuntu)"
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echo " sudo yum install inotify-tools (CentOS/RHEL)"
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fi
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exit 1
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fi
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ENV_FILE="$SCRIPT_DIR/.env"
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if [ -f "$ENV_FILE" ]; then
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echo -e "${GREEN}📄 加载 .env 文件...${NC}"
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set -a
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source "$ENV_FILE"
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set +a
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fi
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DB_HOST="${DB_HOST:-localhost}"
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DB_PORT="${DB_PORT:-5432}"
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DB_USER="${DB_USER:-haihuizhu}"
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DB_PASSWORD="${DB_PASSWORD:-admin}"
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DB_NAME="${DB_NAME:-top-fans}"
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DB_ARGS=(-db-host="$DB_HOST" -db-port="$DB_PORT" -db-user="$DB_USER" -db-password="$DB_PASSWORD" -db-name="$DB_NAME")
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# 启动一个服务
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# 用法: start_service name binary port use_db
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start_service() {
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local name=$1
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local binary=$2
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local port=$3
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local use_db=$4
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echo -e "${GREEN}🚀 启动 $name...${NC}"
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if [ "$use_db" = "1" ]; then
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"$SCRIPT_DIR/$binary" -port=$port "${DB_ARGS[@]}" > "/tmp/${name}.log" 2>&1 &
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else
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"$SCRIPT_DIR/$binary" -port=$port > "/tmp/${name}.log" 2>&1 &
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fi
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local pid=$!
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# 保存 PID 到文件
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echo $pid > "/tmp/dev_sh_${name}.pid"
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sleep 2
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if ps -p $pid > /dev/null 2>&1; then
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echo -e "${GREEN}✅ $name 已启动 (PID: $pid, 端口: $port)${NC}"
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else
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echo -e "${RED}❌ $name 启动失败${NC}"
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echo -e "${YELLOW}查看日志: tail -f /tmp/${name}.log${NC}"
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fi
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}
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# 构建一个服务（在服务目录下执行 go build）
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# 用法: build_service name dir binary
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build_service() {
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local name=$1
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local dir=$2
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local binary=$3
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if [ ! -d "$SCRIPT_DIR/$dir" ]; then
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echo -e "${RED}❌ $dir 目录不存在${NC}"
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return 1
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fi
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cd "$SCRIPT_DIR/$dir"
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if go build -o "$SCRIPT_DIR/$binary" . 2>&1; then
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echo -e "${GREEN}✅ $name 编译成功${NC}"
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return 0
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else
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echo -e "${RED}❌ $name 编译失败${NC}"
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return 1
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fi
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}
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# 重建并重启单个服务（构建成功后才杀旧进程）
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# 用法: restart_service name dir binary port use_db
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restart_service() {
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local name=$1
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local dir=$2
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local binary=$3
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local port=$4
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local use_db=$5
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local pid_file="/tmp/dev_sh_${name}.pid"
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# Step 1: 编译（先编译，编译成功才杀旧进程）
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if [ ! -d "$SCRIPT_DIR/$dir" ]; then
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echo -e "${RED}❌ $dir 目录不存在，跳过${NC}"
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return 1
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fi
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cd "$SCRIPT_DIR/$dir"
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if ! go build -o "$SCRIPT_DIR/$binary" . 2>&1; then
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echo -e "${RED}❌ [$name] 编译失败，旧进程保持运行${NC}"
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echo -e "${RED} 查看详细日志: tail -f /tmp/${name}.log${NC}"
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return 1
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fi
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echo -e "${GREEN}✅ [$name] 编译成功${NC}"
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# Step 2: 编译成功后，杀旧进程（从 PID 文件读取）
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if [ -f "$pid_file" ]; then
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local old_pid=$(cat "$pid_file")
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if [ -n "$old_pid" ] && kill -0 "$old_pid" 2>/dev/null; then
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kill "$old_pid" 2>/dev/null || true
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echo -e "${YELLOW}🛑 [$name] 旧进程 (PID: $old_pid) 已终止${NC}"
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fi
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rm -f "$pid_file"
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fi
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# Step 3: 启动新进程
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sleep 1
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cd "$SCRIPT_DIR"
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if [ "$use_db" = "1" ]; then
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"$SCRIPT_DIR/$binary" -port=$port "${DB_ARGS[@]}" > "/tmp/${name}.log" 2>&1 &
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else
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"$SCRIPT_DIR/$binary" -port=$port > "/tmp/${name}.log" 2>&1 &
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fi
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local new_pid=$!
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echo $new_pid > "$pid_file"
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sleep 2
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if ps -p $new_pid > /dev/null 2>&1; then
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echo -e "${GREEN}✅ [$name] 已重启 (PID: $new_pid)${NC}"
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else
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echo -e "${RED}❌ [$name] 重启失败，查看日志: tail -f /tmp/${name}.log${NC}"
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fi
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}
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# 启动文件监听器
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# 用法: start_watcher name dir binary port use_db
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start_watcher() {
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local name=$1
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local dir=$2
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local binary=$3
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local port=$4
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local use_db=$5
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local watch_path="$SCRIPT_DIR/$dir"
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local restart_marker="/tmp/dev_sh_${name}_restart"
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if [ ! -d "$watch_path" ]; then
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echo -e "${RED}❌ 监听目录不存在: $watch_path${NC}"
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return 1
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fi
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# 清理可能遗留的重启标记
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rm -f "$restart_marker"
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(
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if [[ "$(uname)" == "Darwin" ]]; then
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fswatch -r "$watch_path" --exclude='\.git' --exclude='_test\.go$'
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else
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inotifywait -r -m -e modify,create,write "$watch_path" --exclude='\.git' --exclude='_test\.go$'
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fi | while read event; do
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# 时间戳防抖：每次事件更新标记文件
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date +%s%N > "$restart_marker"
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done
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) &
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local watcher_pid=$!
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echo "$watcher_pid" >> /tmp/dev_sh_watchers.tmp
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echo -e "${GREEN}👁️ [$name] 文件监听器已启动 (PID: $watcher_pid)${NC}"
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# 后台防抖循环：每 300ms 检查一次是否需要重启
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(
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while true; do
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sleep 0.3
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if [ ! -f "$restart_marker" ]; then
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continue
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fi
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local now=$(date +%s%N)
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local last_time=$(cat "$restart_marker" 2>/dev/null || echo 0)
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local elapsed=$((now - last_time))
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if (( elapsed >= 300000000 )); then
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# 距上次事件已过 300ms，执行重启
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rm -f "$restart_marker"
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restart_service "$name" "$dir" "$binary" "$port" "$use_db"
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fi
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done
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) &
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local debounce_pid=$!
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echo "$debounce_pid" >> /tmp/dev_sh_watchers.tmp
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}
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echo -e "${GREEN}========================================${NC}"
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echo -e "${GREEN} TopFans Backend 热更新开发模式${NC}"
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echo -e "${GREEN}========================================${NC}"
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echo ""
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echo -e "${YELLOW}数据库: ${DB_USER}@${DB_HOST}:${DB_PORT}/${DB_NAME}${NC}"
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echo -e "${YELLOW}文件监听器: $WATCHER_TOOL${NC}"
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echo ""
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# 初始化监听器 PID 列表
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> /tmp/dev_sh_watchers.tmp
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# 清理残留 PID 文件（上次非正常退出可能留下）
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for service in activityService galleryService socialService assetService userService gateway; do
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rm -f "/tmp/dev_sh_${service}.pid" "/tmp/dev_sh_${service}_restart"
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done
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# 停止现有服务（清理环境）
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echo -e "${YELLOW}🛑 停止现有服务...${NC}"
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for service in gateway userService socialService assetService galleryService activityService; do
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pkill -9 -f "$service" 2>/dev/null || true
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done
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sleep 1
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# 先构建所有服务
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echo ""
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echo -e "${YELLOW}🔨 预编译所有服务...${NC}"
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build_service "gateway" "gateway" "gateway/gateway"
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build_service "userService" "services/userService" "services/userService/userService"
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build_service "assetService" "services/assetService" "services/assetService/assetService"
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build_service "socialService" "services/socialService" "services/socialService/socialService"
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build_service "galleryService" "services/galleryService" "services/galleryService/galleryService"
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build_service "activityService" "services/activityService" "services/activityService/activityService"
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cd "$SCRIPT_DIR"
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# 启动所有服务
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echo ""
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echo -e "${YELLOW}🚀 启动所有服务...${NC}"
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start_service "userService" "services/userService/userService" 20000 1
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start_service "assetService" "services/assetService/assetService" 20003 1
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start_service "socialService" "services/socialService/socialService" 20002 1
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start_service "galleryService" "services/galleryService/galleryService" 20004 1
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start_service "activityService" "services/activityService/activityService" 20005 1
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start_service "gateway" "gateway/gateway" 8080 0
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# 启动所有文件监听器
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echo ""
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echo -e "${YELLOW}👁️ 启动所有文件监听器...${NC}"
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start_watcher "gateway" "gateway" "gateway/gateway" 8080 0
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start_watcher "userService" "services/userService" "services/userService/userService" 20000 1
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start_watcher "assetService" "services/assetService" "services/assetService/assetService" 20003 1
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start_watcher "socialService" "services/socialService" "services/socialService/socialService" 20002 1
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start_watcher "galleryService" "services/galleryService" "services/galleryService/galleryService" 20004 1
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start_watcher "activityService" "services/activityService" "services/activityService/activityService" 20005 1
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echo ""
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echo -e "${GREEN}========================================${NC}"
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echo -e "${GREEN} 热更新开发模式已启动！${NC}"
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echo -e "${GREEN}========================================${NC}"
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echo ""
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echo -e "${YELLOW}服务地址:${NC}"
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echo " - Gateway: http://localhost:8080"
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echo " - Swagger UI: http://localhost:8080/swagger/index.html"
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echo " - User Service: tri://localhost:20000"
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echo " - Social Service: tri://localhost:20002"
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echo " - Asset Service: tri://localhost:20003"
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echo " - Gallery Service: tri://localhost:20004"
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echo " - Activity Service: tri://localhost:20005"
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echo ""
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echo -e "${YELLOW}按 Ctrl+C 停止所有服务${NC}"
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echo ""
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# 保持脚本运行
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wait |