62 lines
1.1 KiB
Go
62 lines
1.1 KiB
Go
package ws
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import (
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"log"
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"backend/gateway/internal/service"
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)
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type Hub struct {
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// 注册的客户端
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clients map[*Client]bool
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// 从客户端接收的消息
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broadcast chan *Message
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// 注册请求
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register chan *Client
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// 注销请求
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unregister chan *Client
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// 用户服务
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userService *service.UserService
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}
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func NewHub(userService *service.UserService) *Hub {
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return &Hub{
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broadcast: make(chan *Message),
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register: make(chan *Client),
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unregister: make(chan *Client),
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clients: make(map[*Client]bool),
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userService: userService,
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}
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}
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func (h *Hub) Run() {
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for {
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select {
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case client := <-h.register:
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h.clients[client] = true
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log.Printf("Client connected. Total clients: %d", len(h.clients))
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case client := <-h.unregister:
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if _, ok := h.clients[client]; ok {
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delete(h.clients, client)
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close(client.send)
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log.Printf("Client disconnected. Total clients: %d", len(h.clients))
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}
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case message := <-h.broadcast:
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for client := range h.clients {
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select {
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case client.send <- message:
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default:
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close(client.send)
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delete(h.clients, client)
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}
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}
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}
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}
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}
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