mirror of
https://gitee.com/dromara/mayfly-go
synced 2025-11-02 07:20:24 +08:00
75 lines
1.4 KiB
Go
75 lines
1.4 KiB
Go
package ws
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import (
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"encoding/json"
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"mayfly-go/base/global"
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"net/http"
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"time"
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"github.com/gorilla/websocket"
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)
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var Upgrader = websocket.Upgrader{
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ReadBufferSize: 1024,
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WriteBufferSize: 1024 * 1024 * 10,
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CheckOrigin: func(r *http.Request) bool {
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return true
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},
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}
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var conns = make(map[uint64]*websocket.Conn, 100)
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func init() {
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checkConn()
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}
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// 放置ws连接
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func Put(userId uint64, conn *websocket.Conn) {
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existConn := conns[userId]
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if existConn != nil {
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Delete(userId)
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}
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conn.SetCloseHandler(func(code int, text string) error {
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Delete(userId)
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return nil
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})
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conns[userId] = conn
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}
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func checkConn() {
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heartbeat := time.Duration(60) * time.Second
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tick := time.NewTicker(heartbeat)
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go func() {
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for range tick.C {
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// 遍历所有连接，ping失败的则删除掉
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for uid, conn := range conns {
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err := conn.WriteControl(websocket.PingMessage, []byte("ping"), time.Now().Add(heartbeat/2))
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if err != nil {
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Delete(uid)
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return
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}
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}
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}
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}()
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}
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// 删除ws连接
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func Delete(userid uint64) {
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global.Log.Info("移除websocket连接：uid = ", userid)
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conn := conns[userid]
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if conn != nil {
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conn.Close()
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delete(conns, userid)
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}
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}
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// 对指定用户发送消息
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func SendMsg(userId uint64, msg *Msg) {
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conn := conns[userId]
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if conn != nil {
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bytes, _ := json.Marshal(msg)
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conn.WriteMessage(websocket.TextMessage, bytes)
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}
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}
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