/
ws.go
148 lines (121 loc) · 3.25 KB
/
ws.go
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package engine
import (
"encoding/json"
"fmt"
"github.com/mangenotwork/extras/apps/IM-Conn/handler"
"log"
"net/http"
"strings"
"time"
"github.com/gorilla/websocket"
"github.com/mangenotwork/extras/apps/IM-Conn/model"
"github.com/mangenotwork/extras/common/httpser"
"github.com/mangenotwork/extras/common/logger"
)
func StartWS(){
go func() {
logger.Info("StartWS")
mux := httpser.NewEngine()
mux.RouterFunc("/ws", Ws)
mux.Run()
}()
}
var upGrader = websocket.Upgrader{
ReadBufferSize: 65535,
WriteBufferSize: 65535,
HandshakeTimeout: 5*time.Second,
Error: Err,
CheckOrigin: func(r *http.Request) bool {
if r.Method != "GET" {
logger.Error("method is not GET")
return false
}
if strings.Index(r.URL.Path, "/ws") == -1 {
logger.Error("path error")
return false
}
return true
},
}
func Ws(w http.ResponseWriter, r *http.Request) {
if !websocket.IsWebSocketUpgrade(r) {
Err(w, r, 2001, fmt.Errorf("非websocket请求"))
}
st := time.Now()
token := httpser.GetUrlArg(r, "token")
deviceId := httpser.GetUrlArg(r, "device")
source := httpser.GetUrlArg(r, "source")
conn, err := upGrader.Upgrade(w, r, nil)
if err != nil {
logger.Error("websocket upgrade error:%v", err)
return
}
uid, err := handler.AuthToken(token)
if err != nil {
_= conn.WriteMessage(websocket.BinaryMessage, []byte("[未知身份连接]device为空, 客户端可以send数据来确认身份"))
_= conn.Close()
Err(w, r, 2001, fmt.Errorf("[未知身份连接]device为空, 客户端可以send数据来确认身份"))
return
}
if len(deviceId) < 1 {
_= conn.WriteMessage(websocket.BinaryMessage, []byte("[未知身份连接]device为空, 客户端可以send数据来确认身份"))
_= conn.Close()
Err(w, r, 2001, fmt.Errorf("[未知身份连接]device为空, 客户端可以send数据来确认身份"))
return
}
logger.Info("[连接日志] 连接成功. 用时 = ", time.Now().Sub(st))
logger.Info("RemoteAddr = ", conn.RemoteAddr(), " | LocalAddr = ", conn.LocalAddr())
client := &model.WsClient{
Conn : conn,
UserID : uid,
IP : conn.RemoteAddr().String(),
DeviceID : deviceId,
DeviceType : source,
HeartBeat : make(chan []byte),
}
model.WsClientTable().Insert(client) // 加入ws哈希表
//接收数据
go func() {
for {
_, data, err := client.Conn.ReadMessage()
if err != nil {
_=client.Conn.Close()
// 释放客户端连接
model.WsClientTable().Del(client)
return
}
logger.Info(data)
if len(data) < 1 {
continue
}
logger.Info(string(data))
cmdData := &model.CmdData{}
jsonErr := json.Unmarshal(data, &cmdData)
if jsonErr != nil {
client.Send(cmdData.SendMsg("非法数据格式", 1001))
continue
}
handler.WsHandler(client, cmdData)
}
}()
// 处理心跳和僵尸连接
go func(){
for {
timer := time.NewTimer(10 * time.Second)
select {
case <-timer.C:
// 10秒内收不到来自客户端的心跳连接断开
_=client.Conn.Close()
model.WsClientTable().Del(client)
// 接收心跳
case <-client.HeartBeat:
// 重置
log.Println("重置 = ", 10)
timer.Reset(10 * time.Second)
}
}
}()
}
func Err(w http.ResponseWriter, r *http.Request, status int, reason error) {
httpser.OutErrBody(w, status, reason)
}