//init
func init() {
log.Info("Session is started,expired every %d seconds", Expired)
go func() {
var i int
timer := time.Tick(time.Minute)
for t := range timer {
i = 0
lock.Lock()
for k, s := range sessions {
if s.IsExpired() {
delete(sessions, k)
i = i + 1
}
}
lock.Unlock()
log.Infof("clear %d sessions at %v,used %v", i, t, time.Since(t))
}
}()
}
//处理单独的Http请求
func (this *HttpService) HandleHttp(w http.ResponseWriter, req *http.Request) {
req.ParseForm()
uid := req.Header.Get(Sec_Auth_Uid)
key := req.Header.Get(Sec_Auth_Key)
c := this.getClient(uid, key)
defer c.Close()
if data := req.FormValue("json"); len(data) > 0 {
cmd := new(common.RequestData)
c.Read([]byte(data), cmd)
protocol.Exec(cmd, &c.Client)
} else {
cmd := common.ResponseData{0, -1, "json string is empty", ""}
c.Send(&cmd)
}
for {
timeout := time.After(time.Nanosecond * 10) //10ns就超时
select {
case data := <-c.OutputChan:
if _, err := w.Write(data); err != nil {
log.Error("%s send cmd error and login out,%s\n", c.Name, err.Error())
}
break
case <-timeout:
goto end
}
}
end:
}
//按cookei取在线用户
func (this *HttpService) getClient(uid string, key string) *HttpClient {
c := new(HttpClient)
if s, _, ok := online.GetSession(uid); ok && s == key { //key相同时认为已登陆过的
if tc, ok := online.Get(uid); ok { //第一个登陆的Client的uuid被当作了uid
c.Name = tc.Name
c.IsLogin = tc.IsLogin
c.IsPlayBack = c.IsPlayBack
}
}
if c == nil {
c = new(HttpClient)
}
c.UUID = uuid.New()
c.IsRun = true
c.OutputChan = make(chan []byte, 10)
return c
}
////设置cookie
//func (this *HttpService) setCookie(c *HttpClient, w http.ResponseWriter, age int) {
// id := &http.Cookie{Name: "monitor_http_key", Value: common.HashString(c.Name + ":monitor"), Path: "/", MaxAge: age, HttpOnly: true, Secure: true}
// name := &http.Cookie{Name: "monitor_http_name", Value: c.Name, Path: "/", MaxAge: age, HttpOnly: true, Secure: true}
// http.SetCookie(w, id)
// http.SetCookie(w, name)
//}
//处理Socket请求
func (this *HttpService) HandleSocket(ws *websocket.Conn) {
connFrom := ws.RemoteAddr()
log.Infof("accept new http client from %s\n", connFrom)
uid := ws.Request().Header.Get(Sec_Auth_Uid)
key := ws.Request().Header.Get(Sec_Auth_Key)
c := this.getClient(uid, key)
c.Connect = ws
go this.HandleResponse(c)
this.HandleRequest(c)
}
//主运行方法
//根目录为标准Http请求
//socket为Socket请求
func (this *HttpService) Run() {
this.IsRun = true
http.Handle("/", http.FileServer(http.Dir("."))) // <-- note this line
http.HandleFunc("/http", this.HandleHttp)
http.Handle("/socket", websocket.Handler(this.HandleSocket))
log.Infof("http service started at %s:%d", this.Host, this.Port)
log.Info("http socket host on /http and /socket ")
if err := http.ListenAndServe(fmt.Sprintf("%s:%d", this.Host, this.Port), nil); err != nil {
log.Error("http service start error", err.Error())
}
}
//send cmd to client
func (this *HttpService) HandleResponse(c *HttpClient) {
var err error
defer online.Delete(c.UUID)
for cmd := range c.OutputChan {
//cmd := <-c.OutputChan
cmd = append(cmd, '\n')
if err = websocket.Message.Send(c.Connect, string(cmd)); err != nil {
log.Error("%s send cmd error and login out,%s\n", c.Name, err.Error())
c.IsRun = false
break
}
c.UpdateTime()
}
}
//handle tcp request
func (this *HttpService) HandleRequest(c *HttpClient) {
var err error
defer online.Delete(c.UUID)
cmd := new(common.RequestData)
var data []byte
for this.IsRun && c.IsRun {
if err = websocket.Message.Receive(c.Connect, &data); err != nil {
log.Infof("%s can't received cmd", c.Name, err.Error())
c.IsRun = false
break
}
c.Read(data, cmd)
protocol.Exec(cmd, &c.Client)
c.UpdateTime()
}
}