feat: DevTools 数据库监看面板 + 隧道控制 + 多项 Bug 修复
**DevTools 新增功能 (Tasks 13-14):** - 首页仪表盘添加数据库实时监看卡片 (5端口状态 + 记忆数) - 侧边栏新增数据库面板，支持自动 5 秒刷新 - 数据库面板显示 PostgreSQL/Redis/Qdrant/MinIO/NATS 端口状态 - 隧道控制按钮 (启动/停止/重启/查看状态) - 新增 API 端点: GET /api/database/status, POST /api/tunnel/:action - 更新 docs/api-reference/ API 文档 **Bug 修复 (Task 15):** - 修复 pgrep -f 自匹配导致隧道状态误判 (添加 ^ssh 锚点) - devtools/src/index.js (dashboard + database/status) - scripts/tunnel.sh (is_tunnel_running + show_status) - 修复数据库面板缺少自动刷新定时器 - 修复侧边栏数据库徽章永远 display:none - 修复僵尸进程场景下按钮死锁问题 **其他改进:** - .gitignore 添加 backend/cmd, backend/iot-debug-service/main - 前端多项改进 (登录/注册/会话/流式动画等)
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package main
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import (
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"encoding/json"
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"fmt"
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"log"
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"math/rand"
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"net/http"
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"os"
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"strings"
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"sync"
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"time"
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)
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// DeviceType 设备类型
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type DeviceType string
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const (
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TypeLight DeviceType = "light"
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TypeAC DeviceType = "ac"
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TypeCurtain DeviceType = "curtain"
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TypeSensor DeviceType = "sensor"
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TypeLock DeviceType = "lock"
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)
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// Device 设备状态
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type Device struct {
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ID string `json:"id"`
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Name string `json:"name"`
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Type DeviceType `json:"type"`
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Status string `json:"status"` // on/off/closed/open/locked/unlocked
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Brightness int `json:"brightness,omitempty"`
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Color string `json:"color,omitempty"`
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Temperature float64 `json:"temperature,omitempty"`
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Mode string `json:"mode,omitempty"` // cool/heat/auto
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Position int `json:"position,omitempty"` // curtain position 0-100
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Value float64 `json:"value,omitempty"` // sensor value
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Unit string `json:"unit,omitempty"` // sensor unit
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Battery int `json:"battery,omitempty"` // lock battery
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LastUpdated string `json:"last_updated"`
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History []HistoryEntry `json:"history,omitempty"`
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}
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// HistoryEntry 设备状态历史
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type HistoryEntry struct {
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Timestamp string `json:"timestamp"`
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Field string `json:"field"`
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OldValue string `json:"old_value"`
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NewValue string `json:"new_value"`
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}
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// DeviceStore 设备存储（线程安全）
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type DeviceStore struct {
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mu sync.RWMutex
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devices map[string]*Device
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history map[string][]HistoryEntry
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}
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func NewDeviceStore() *DeviceStore {
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ds := &DeviceStore{
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devices: make(map[string]*Device),
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history: make(map[string][]HistoryEntry),
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}
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ds.initDevices()
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return ds
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}
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func (ds *DeviceStore) initDevices() {
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now := time.Now().UTC().Format(time.RFC3339)
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devices := []*Device{
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{ID: "light-livingroom", Name: "客厅灯", Type: TypeLight, Status: "on", Brightness: 80, Color: "warm_white", LastUpdated: now},
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{ID: "light-bedroom", Name: "卧室灯", Type: TypeLight, Status: "off", Brightness: 0, Color: "warm_white", LastUpdated: now},
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{ID: "ac-livingroom", Name: "客厅空调", Type: TypeAC, Status: "on", Temperature: 26, Mode: "cool", LastUpdated: now},
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{ID: "ac-bedroom", Name: "卧室空调", Type: TypeAC, Status: "off", Temperature: 24, Mode: "auto", LastUpdated: now},
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{ID: "curtain-livingroom", Name: "客厅窗帘", Type: TypeCurtain, Status: "closed", Position: 0, LastUpdated: now},
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{ID: "sensor-temperature", Name: "温度传感器", Type: TypeSensor, Value: 25.5, Unit: "celsius", LastUpdated: now},
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{ID: "sensor-humidity", Name: "湿度传感器", Type: TypeSensor, Value: 60, Unit: "percent", LastUpdated: now},
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{ID: "lock-door", Name: "智能门锁", Type: TypeLock, Status: "locked", Battery: 85, LastUpdated: now},
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}
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for _, d := range devices {
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ds.devices[d.ID] = d
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ds.history[d.ID] = make([]HistoryEntry, 0)
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}
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}
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// GetAll 获取所有设备
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func (ds *DeviceStore) GetAll() []*Device {
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ds.mu.RLock()
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defer ds.mu.RUnlock()
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result := make([]*Device, 0, len(ds.devices))
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for _, d := range ds.devices {
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cp := *d
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cp.History = nil // 列表不返回历史
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result = append(result, &cp)
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}
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return result
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}
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// Get 获取单个设备
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func (ds *DeviceStore) Get(id string) *Device {
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ds.mu.RLock()
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defer ds.mu.RUnlock()
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d, ok := ds.devices[id]
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if !ok {
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return nil
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}
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cp := *d
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// 包含最近10条历史（RLock 可重入）
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if h, ok := ds.history[id]; ok && len(h) > 0 {
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start := 0
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if len(h) > 10 {
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start = len(h) - 10
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}
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cp.History = make([]HistoryEntry, len(h)-start)
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copy(cp.History, h[start:])
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} else {
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cp.History = []HistoryEntry{}
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}
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return &cp
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}
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// GetHistory 获取设备状态历史（最近10条）
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func (ds *DeviceStore) GetHistory(id string) []HistoryEntry {
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ds.mu.RLock()
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defer ds.mu.RUnlock()
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h, ok := ds.history[id]
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if !ok || len(h) == 0 {
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return []HistoryEntry{}
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}
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start := 0
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if len(h) > 10 {
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start = len(h) - 10
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}
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result := make([]HistoryEntry, len(h[start:]))
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copy(result, h[start:])
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return result
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}
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// addHistory 添加历史记录
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func (ds *DeviceStore) addHistory(id, field, oldVal, newVal string) {
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entry := HistoryEntry{
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Timestamp: time.Now().UTC().Format(time.RFC3339),
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Field: field,
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OldValue: oldVal,
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NewValue: newVal,
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}
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ds.history[id] = append(ds.history[id], entry)
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}
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// Toggle 切换设备开关状态
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func (ds *DeviceStore) Toggle(id string) (*Device, error) {
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ds.mu.Lock()
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defer ds.mu.Unlock()
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d, ok := ds.devices[id]
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if !ok {
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return nil, fmt.Errorf("设备 %s 不存在", id)
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}
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switch d.Type {
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case TypeLight:
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oldStatus := d.Status
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if d.Status == "on" {
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d.Status = "off"
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d.Brightness = 0
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} else {
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d.Status = "on"
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d.Brightness = 80
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}
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d.LastUpdated = time.Now().UTC().Format(time.RFC3339)
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ds.addHistory(id, "status", oldStatus, d.Status)
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case TypeAC:
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oldStatus := d.Status
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if d.Status == "on" {
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d.Status = "off"
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} else {
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d.Status = "on"
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}
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d.LastUpdated = time.Now().UTC().Format(time.RFC3339)
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ds.addHistory(id, "status", oldStatus, d.Status)
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case TypeCurtain:
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oldStatus := d.Status
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if d.Status == "closed" {
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d.Status = "open"
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d.Position = 100
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} else {
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d.Status = "closed"
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d.Position = 0
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}
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d.LastUpdated = time.Now().UTC().Format(time.RFC3339)
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ds.addHistory(id, "status", oldStatus, d.Status)
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case TypeLock:
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oldStatus := d.Status
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if d.Status == "locked" {
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d.Status = "unlocked"
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} else {
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d.Status = "locked"
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}
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d.LastUpdated = time.Now().UTC().Format(time.RFC3339)
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ds.addHistory(id, "status", oldStatus, d.Status)
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default:
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return nil, fmt.Errorf("设备类型 %s 不支持切换", d.Type)
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}
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cp := *d
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cp.History = ds.GetHistory(id)
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return &cp, nil
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}
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// SimulateFluctuation 模拟传感器随机波动
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func (ds *DeviceStore) SimulateFluctuation() {
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ds.mu.Lock()
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defer ds.mu.Unlock()
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now := time.Now().UTC().Format(time.RFC3339)
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// 温度传感器: ±0.2°C
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if t, ok := ds.devices["sensor-temperature"]; ok {
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oldVal := t.Value
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t.Value += (rand.Float64()*0.4 - 0.2)
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t.Value = float64(int(t.Value*10)) / 10 // 保留一位小数
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t.LastUpdated = now
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ds.addHistory("sensor-temperature", "value", fmt.Sprintf("%.1f", oldVal), fmt.Sprintf("%.1f", t.Value))
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}
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// 湿度传感器: ±1%
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if h, ok := ds.devices["sensor-humidity"]; ok {
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oldVal := h.Value
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h.Value += float64(rand.Intn(3) - 1) // -1, 0, +1
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if h.Value < 0 {
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h.Value = 0
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}
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if h.Value > 100 {
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h.Value = 100
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}
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h.LastUpdated = now
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ds.addHistory("sensor-humidity", "value", fmt.Sprintf("%.0f", oldVal), fmt.Sprintf("%.0f", h.Value))
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}
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}
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func main() {
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port := getEnv("IOT_DEBUG_PORT", "8083")
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store := NewDeviceStore()
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// 启动传感器波动模拟（每30秒）
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go func() {
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ticker := time.NewTicker(30 * time.Second)
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defer ticker.Stop()
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for range ticker.C {
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store.SimulateFluctuation()
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}
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}()
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mux := http.NewServeMux()
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// GET /api/v1/devices - 列出所有设备
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mux.HandleFunc("/api/v1/devices", func(w http.ResponseWriter, r *http.Request) {
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if r.Method != http.MethodGet {
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http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
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return
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}
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devices := store.GetAll()
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writeJSON(w, http.StatusOK, map[string]interface{}{
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"devices": devices,
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"total": len(devices),
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})
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})
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// GET /api/v1/devices/{id} - 获取单个设备
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// POST /api/v1/devices/{id}/toggle - 切换设备
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mux.HandleFunc("/api/v1/devices/", func(w http.ResponseWriter, r *http.Request) {
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path := strings.TrimPrefix(r.URL.Path, "/api/v1/devices/")
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parts := strings.Split(path, "/")
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if len(parts) == 0 || parts[0] == "" {
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http.Error(w, "缺少设备ID", http.StatusBadRequest)
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return
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}
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deviceID := parts[0]
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// POST /api/v1/devices/{id}/toggle
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if len(parts) == 2 && parts[1] == "toggle" {
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if r.Method != http.MethodPost {
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http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
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return
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}
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device, err := store.Toggle(deviceID)
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if err != nil {
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writeJSON(w, http.StatusNotFound, map[string]string{"error": err.Error()})
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return
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}
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writeJSON(w, http.StatusOK, map[string]interface{}{
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"device": device,
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"action": "toggled",
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})
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return
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}
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// GET /api/v1/devices/{id}/history
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if len(parts) == 2 && parts[1] == "history" {
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if r.Method != http.MethodGet {
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http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
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return
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}
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history := store.GetHistory(deviceID)
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writeJSON(w, http.StatusOK, map[string]interface{}{
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"device_id": deviceID,
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"history": history,
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})
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return
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}
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// GET /api/v1/devices/{id}
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if r.Method != http.MethodGet {
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http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
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return
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}
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device := store.Get(deviceID)
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if device == nil {
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writeJSON(w, http.StatusNotFound, map[string]string{"error": fmt.Sprintf("设备 %s 不存在", deviceID)})
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return
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}
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writeJSON(w, http.StatusOK, map[string]interface{}{
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"device": device,
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})
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})
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// 健康检查
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mux.HandleFunc("/api/v1/health", func(w http.ResponseWriter, r *http.Request) {
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writeJSON(w, http.StatusOK, map[string]string{
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"status": "ok",
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"service": "iot-debug-service",
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})
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})
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log.Printf("🔌 IoT 调试服务启动在端口 %s", port)
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log.Printf(" 模拟设备数: %d", len(store.GetAll()))
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if err := http.ListenAndServe(":"+port, mux); err != nil {
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log.Fatalf("服务启动失败: %v", err)
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}
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}
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func writeJSON(w http.ResponseWriter, status int, data interface{}) {
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w.Header().Set("Content-Type", "application/json")
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w.WriteHeader(status)
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json.NewEncoder(w).Encode(data)
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}
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func getEnv(key, fallback string) string {
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if v := os.Getenv(key); v != "" {
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return v
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}
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return fallback
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}
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Block a user