89 lines
1.8 KiB
Go
89 lines
1.8 KiB
Go
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package ws
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import (
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"github.com/gorilla/websocket"
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"log"
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"sync"
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"time"
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)
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type ChatRoom struct {
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sync.RWMutex
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members map[string][]*User
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}
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//创建用户集合
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func NewRoom() *ChatRoom {
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r := &ChatRoom{
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members: make(map[string][]*User),
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}
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r.cleanRoom()
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return r
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}
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//清理用户集合
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func (r *ChatRoom) cleanRoom() {
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go func() {
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for {
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log.Println("cleanRoom start...")
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r.members = nil
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r.members = make(map[string][]*User)
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now := time.Now()
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// 计算下一个零点
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next := now.Add(time.Hour * 24)
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next = time.Date(next.Year(), next.Month(), next.Day(), 0, 0, 0, 0, next.Location())
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t := time.NewTimer(next.Sub(now))
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<-t.C
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}
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}()
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}
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//发送消息给集合
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func (r *ChatRoom) SendMessageToRoom(roomId string, msg []byte) {
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members, _ := r.GetMembers(roomId)
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newMembers := make([]*User, 0)
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for _, member := range members {
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member.Mux.Lock()
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err := member.Conn.WriteMessage(websocket.TextMessage, msg)
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if err == nil {
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newMembers = append(newMembers, member)
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}
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member.Mux.Unlock()
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}
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r.SetMembers(roomId, newMembers)
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}
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//获取用户集合
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func (r *ChatRoom) GetMembers(key string) ([]*User, bool) {
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r.RLock()
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value, ok := r.members[key]
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r.RUnlock()
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return value, ok
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}
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//设置用户集合
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func (r *ChatRoom) SetMembers(key string, value []*User) {
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r.Lock()
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r.members[key] = value
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r.Unlock()
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}
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//添加用户
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func (r *ChatRoom) addMember(key string, user *User) {
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members, _ := r.GetMembers(key)
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members = append(members, user)
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r.SetMembers(key, members)
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}
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//移除用户
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func (r *ChatRoom) removeMember(key string, userId string) {
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members, _ := r.GetMembers(key)
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newMembers := make([]*User, 0)
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for _, member := range members {
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if member.Id != userId {
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newMembers = append(newMembers, member)
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}
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}
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r.SetMembers(key, newMembers)
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}
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