P5 阶段交付物: - services/msg: 消息通知服务(NestJS) - notifications: 发送通知 + ES 全文检索 + search - config/elasticsearch.ts: ES Client 单例 - package.json: 补充 @opentelemetry/sdk-node + exporter-trace-otlp-http - services/push-gateway: WebSocket 推送网关(Go Gin) - internal/hub/hub.go: WebSocket 连接池管理(Register/Unregister/SendToUser) - internal/ws/handler.go: JWT 鉴权 + WebSocket 升级 + 内部推送 API - services/ai: AI 辅助服务(Python FastAPI) - /chat + /chat/stream(SSE 流式) - /generate/question + /optimize/expression - config.py: OpenAI 兼容 API 配置 - packages/shared-proto/proto/msg.proto: NotificationService 契约(send/search) - packages/shared-proto/proto/ai.proto: AiService 契约(含 stream 方法)
60 lines
1.1 KiB
Go
60 lines
1.1 KiB
Go
package hub
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import (
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"sync"
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"github.com/gorilla/websocket"
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)
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// Hub 管理 WebSocket 客户端连接
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type Hub struct {
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mu sync.RWMutex
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clients map[string]map[*websocket.Conn]bool // userID -> connections
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}
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func NewHub() *Hub {
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return &Hub{
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clients: make(map[string]map[*websocket.Conn]bool),
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}
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}
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func (h *Hub) Register(userID string, conn *websocket.Conn) {
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h.mu.Lock()
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defer h.mu.Unlock()
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if h.clients[userID] == nil {
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h.clients[userID] = make(map[*websocket.Conn]bool)
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}
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h.clients[userID][conn] = true
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}
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func (h *Hub) Unregister(userID string, conn *websocket.Conn) {
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h.mu.Lock()
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defer h.mu.Unlock()
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if conns, ok := h.clients[userID]; ok {
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delete(conns, conn)
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if len(conns) == 0 {
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delete(h.clients, userID)
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}
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}
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}
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// SendToUser 向指定用户的所有连接推送消息
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func (h *Hub) SendToUser(userID string, message []byte) error {
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h.mu.RLock()
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defer h.mu.RUnlock()
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conns, ok := h.clients[userID]
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if !ok {
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return nil
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}
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for conn := range conns {
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if err := conn.WriteMessage(websocket.TextMessage, message); err != nil {
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return err
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}
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}
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return nil
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}
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