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wsServer.go
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wsServer.go
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package serve
import (
"fmt"
"github.com/googollee/go-socket.io"
"github.com/hidu/goutils"
"log"
"net/http"
"net/url"
"sync"
)
type wsServer struct {
clients map[string]*wsClient
server *socketio.Server
mu sync.RWMutex
proxySer *ProxyServe
}
func (ser *ProxyServe) ws_init() {
ser.wsSer = newWsServer(ser)
}
func newWsServer(ser *ProxyServe) *wsServer {
wsSer := &wsServer{
clients: make(map[string]*wsClient),
proxySer: ser,
}
var err error
wsSer.server, err = socketio.NewServer(nil)
if err != nil {
log.Fatal(err)
}
wsSer.init()
return wsSer
}
func (wsSer *wsServer) init() {
wsSer.server.On("connection", func(ns socketio.Socket) {
wsSer.mu.Lock()
defer wsSer.mu.Unlock()
wsSer.clients[ns.Id()] = &wsClient{ns: ns, user: "guest"}
log.Println("ws connected", ns.Request().RemoteAddr, ns.Id(), "ws_client_num:", len(wsSer.clients))
})
wsSer.server.On("disconnection", func(ns socketio.Socket) {
wsSer.remove(ns.Id())
log.Println("ws disconnect", ns.Request().RemoteAddr, ns.Id(), "ws_client_num:", len(wsSer.clients))
})
wsSer.server.On("error", func(ns socketio.Socket, err error) {
log.Println("ws error:", err)
})
wsSer.server.On("get_response", wsSer.get_response)
wsSer.server.On("client_filter", wsSer.save_filter)
utils.SetInterval(func() {
wsSer.broadcast("hello", "hello", false)
}, 120)
}
func (wsSer *wsServer) remove(id string) {
wsSer.mu.Lock()
defer wsSer.mu.Unlock()
if _, has := wsSer.clients[id]; has {
delete(wsSer.clients, id)
}
}
func (wsSer *wsServer) broadProxyClientNum() {
wsSer.broadcast("user_num", len(wsSer.proxySer.ProxyClients), false)
}
/**
*https://github.com/googollee/go-socket.io
*/
func (wsSer *wsServer) get_response(ns socketio.Socket, docid_str string) {
docid, uint_parse_err := parseDocId(docid_str)
if uint_parse_err != nil {
log.Println("parse str2int failed", docid_str, uint_parse_err)
return
}
log.Println("receive docid", docid, ns.Request().RemoteAddr)
req := wsSer.proxySer.GetRequestByDocid(docid)
res := wsSer.proxySer.GetResponseByDocid(docid)
if wsSer.proxySer.Debug {
fmt.Println("req:\n", req, "\n==========\n")
fmt.Println("res:\n", res, "\n==========\n")
}
// delete(req,"header")
data := make(map[string]interface{})
data["req"] = req
data["res"] = res
wsSer.send(ns, "res", data, true)
}
func (wsSer *wsServer) save_filter(ns socketio.Socket, form_data string) {
m, err := url.ParseQuery(form_data)
if err != nil {
log.Println("parse filter data err", err)
return
}
wsSer.mu.Lock()
defer wsSer.mu.Unlock()
if nsClient, has := wsSer.clients[ns.Id()]; has {
nsClient.filter_ip = parseUrlInputAsSlice(m.Get("client_ip"))
nsClient.filter_hide_ext = m["hide"]
nsClient.filter_url = parseUrlInputAsSlice(m.Get("url_match"))
nsClient.filter_url_hide = parseUrlInputAsSlice(m.Get("hide_url"))
nsClient.filter_user = parseUrlInputAsSlice(m.Get("user"))
loginUser, isLogin := wsSer.proxySer.web_checkLogin(ns.Request())
if isLogin {
nsClient.LoginUser = loginUser
}
} else {
log.Println("ws_save_filter failed,ws not exists")
}
}
var nnnn int = 0
func (wsSer *wsServer) send(ns socketio.Socket, msg_name string, data interface{}, encode bool) {
wsSer.mu.Lock()
defer func(ns socketio.Socket) {
wsSer.mu.Unlock()
if e := recover(); e != nil {
log.Println("ws_send failed", e, ns.Request().RemoteAddr)
wsSer.remove(ns.Id())
}
}(ns)
var err error
if encode {
err = ns.Emit(msg_name, gob_encode(data))
} else {
err = ns.Emit(msg_name, data)
}
if err != nil {
log.Println("emit ", msg_name, " failed", err)
}
}
func (wsSer *wsServer) broadcastReq(req *http.Request, reqCtx *requestCtx, data interface{}) bool {
wsSer.mu.RLock()
defer wsSer.mu.RUnlock()
hasSend := false
for _, client := range wsSer.clients {
if wsSer.proxySer.conf.SessionView == SessionView_IP_OR_USER && len(client.filter_ip) == 0 && len(client.filter_user) == 0 {
continue
}
if reqCtx.User.Name != "" && len(client.filter_user) < 1 {
continue
}
if client.checkFilter(req, reqCtx) {
go wsSer.send(client.ns, "req", data, true)
hasSend = true
}
}
return hasSend
}
func (wsSer *wsServer) broadcast(name string, data interface{}, encode bool) {
wsSer.mu.RLock()
defer wsSer.mu.RUnlock()
for _, client := range wsSer.clients {
go wsSer.send(client.ns, name, data, encode)
}
}