106 lines
1.9 KiB
Go
106 lines
1.9 KiB
Go
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package camera
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import (
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"fmt"
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"log"
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"sync"
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"time"
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"github.com/zeromicro/go-zero/core/logx"
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)
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type CameraEventHandler func(*Manager, string) []byte
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type Config struct {
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Addr string
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Timeout time.Duration
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MaxRetries int
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RetryInterval time.Duration
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}
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type Manager struct {
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client *Client
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config Config
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mu sync.Mutex
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listeners map[string]CameraEventHandler
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}
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func NewManager(config Config) *Manager {
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return &Manager{
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config: config,
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listeners: make(map[string]CameraEventHandler),
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}
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}
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func (m *Manager) Start() error {
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m.client = NewClient(m.config.Addr, m.config.Timeout)
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err := m.client.ConnectWithRetry(m.config.MaxRetries, m.config.RetryInterval)
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if err != nil {
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return err
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}
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// 启动监听
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go m.listenLoop()
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return nil
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}
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func (m *Manager) listenLoop() {
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ticker := time.NewTicker(1 * time.Second)
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defer ticker.Stop()
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for {
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select {
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case <-ticker.C:
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m.pollEvents()
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}
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}
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}
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func (m *Manager) pollEvents() {
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// 模拟检测事件，实际应由 Client 提供事件检测接口
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result, err := m.client.GetDetectionResult()
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if err != nil {
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log.Printf("获取检测结果失败: %v", err)
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return
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}
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if result != "" {
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m.handleEvent("detection_result", result)
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}
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}
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func (m *Manager) handleEvent(event string, data string) {
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m.mu.Lock()
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handler, exists := m.listeners[event]
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m.mu.Unlock()
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if !exists {
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log.Printf("未注册事件处理器: %s", event)
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return
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}
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logx.Infof("触发相机事件: %s, 数据: %s", event, data)
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resp := handler(m, data)
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if resp != nil {
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// 可选：写回响应
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fmt.Println("响应:", string(resp))
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}
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}
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func (m *Manager) AddListener(event string, handler CameraEventHandler) {
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m.mu.Lock()
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defer m.mu.Unlock()
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m.listeners[event] = handler
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}
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func (m *Manager) GetClient() *Client {
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return m.client
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}
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func (m *Manager) Close() {
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if m.client != nil {
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m.client.Close()
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}
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}
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