Fix #74

i18n/en_US.json

@@ -7,6 +7,7 @@
     "login": "Login",
     "username": "Username",
     "current_user": "Current User",
+    "current_session": "Current Session",
     "password": "Password",
     "login_error": "Login Error",
     "run": "Run",

i18n/ja_JP.json

@@ -7,6 +7,7 @@
     "login": "ログイン",
     "username": "ユーザ名",
     "current_user": "現在のユーザ",
+    "current_session": "現在のセッション",
     "password": "パスワード",
     "login_error": "ログインエラー",
     "run": "実行",

i18n/zh_CN.json

@@ -7,6 +7,7 @@
     "login": "登录",
     "username": "用户名",
     "current_user": "当前用户",
+    "current_session": "当前会话",
     "password": "密码",
     "login_error": "登录失败",
     "run": "运行",

i18n/zh_TW.json

@@ -7,6 +7,7 @@
     "login": "登錄",
     "username": "用户名字",
     "current_user": "當前用户名",
+    "current_session": "當前會話",
     "password": "密碼",
     "login_error": "登錄失败",
     "run": "執行",

main.go

@@ -3,9 +3,11 @@ package main
 import (
 	"flag"
 	"html/template"
+	"math/rand"
 	"mime"
 	"net/http"
 	"runtime"
+	"strconv"
 	"time"
 
 	"github.com/b3log/wide/conf"
@@ -53,7 +55,9 @@ func indexHandler(w http.ResponseWriter, r *http.Request) {
 	httpSession.Save(r, w)
 
 	// create a Wide session
-	wideSession := session.WideSessions.New(httpSession)
+	rand.Seed(time.Now().UnixNano())
+	sid := strconv.Itoa(rand.Int())
+	wideSession := session.WideSessions.New(httpSession, sid)
 
 	username := httpSession.Values["username"].(string)
 	user := conf.Wide.GetUser(username)
@@ -112,8 +116,14 @@ func startHandler(w http.ResponseWriter, r *http.Request) {
 	locale := conf.Wide.GetUser(username).Locale
 	userWorkspace := conf.Wide.GetUserWorkspace(username)
 
+	sid := r.URL.Query()["sid"][0]
+	wSession := session.WideSessions.Get(sid)
+	if nil == wSession {
+		glog.Errorf("Session [%s] not found", sid)
+	}
+
 	model := map[string]interface{}{"conf": conf.Wide, "i18n": i18n.GetAll(locale), "locale": locale,
-		"username": username, "workspace": userWorkspace, "ver": conf.WideVersion}
+		"username": username, "workspace": userWorkspace, "ver": conf.WideVersion, "session": wSession}
 
 	t, err := template.ParseFiles("views/start.html")
 

notification/notifications.go

@@ -75,9 +75,8 @@ func WSHandler(w http.ResponseWriter, r *http.Request) {
 	sid := r.URL.Query()["sid"][0]
 
 	wSession := session.WideSessions.Get(sid)
-	if nil == wSession {
-		glog.Errorf("Session [%s] not found", sid)
 
+	if nil == wSession {
 		return
 	}
 

session/sessions.go

@@ -10,10 +10,8 @@ package session
 
 import (
 	"encoding/json"
-	"math/rand"
 	"net/http"
 	"os"
-	"strconv"
 	"sync"
 	"time"
 
@@ -97,17 +95,26 @@ func WSHandler(w http.ResponseWriter, r *http.Request) {
 	sid := r.URL.Query()["sid"][0]
 	wSession := WideSessions.Get(sid)
 	if nil == wSession {
-		glog.Errorf("Session [%s] not found", sid)
+		httpSession, _ := HTTPSession.Get(r, "wide-session")
 
+		if httpSession.IsNew {
 			return
 		}
 
+		httpSession.Options.MaxAge = conf.Wide.HTTPSessionMaxAge
+		httpSession.Save(r, w)
+
+		WideSessions.New(httpSession, sid)
+
+		glog.Infof("Created a wide session [%s] for websocket reconnecting", sid)
+	}
+
 	conn, _ := websocket.Upgrade(w, r, nil, 1024, 1024)
 	wsChan := util.WSChannel{Sid: sid, Conn: conn, Request: r, Time: time.Now()}
 
 	SessionWS[sid] = &wsChan
 
-	ret := map[string]interface{}{"output": "Ouput initialized", "cmd": "init-session"}
+	ret := map[string]interface{}{"output": "Session initialized", "cmd": "init-session"}
 	wsChan.Conn.WriteJSON(&ret)
 
 	glog.V(4).Infof("Open a new [Session Channel] with session [%s], %d", sid, len(SessionWS))
@@ -185,20 +192,17 @@ func (s *WideSession) Refresh() {
 }
 
 // New creates a wide session.
-func (sessions *Sessions) New(httpSession *sessions.Session) *WideSession {
+func (sessions *Sessions) New(httpSession *sessions.Session, sid string) *WideSession {
 	mutex.Lock()
 	defer mutex.Unlock()
 
-	rand.Seed(time.Now().UnixNano())
-
-	id := strconv.Itoa(rand.Int())
 	now := time.Now()
 
-	// create user event queue
+	// create user event queuselect
-	userEventQueue := event.UserEventQueues.New(id)
+	userEventQueue := event.UserEventQueues.New(sid)
 
 	ret := &WideSession{
-		Id:          id,
+		Id:          sid,
 		Username:    httpSession.Values["username"].(string),
 		HTTPSession: httpSession,
 		EventQueue:  userEventQueue,

shell/shells.go

@@ -3,10 +3,12 @@ package shell
 
 import (
 	"html/template"
+	"math/rand"
 	"net/http"
 	"os"
 	"os/exec"
 	"runtime"
+	"strconv"
 	"strings"
 	"time"
 
@@ -37,7 +39,9 @@ func IndexHandler(w http.ResponseWriter, r *http.Request) {
 	httpSession.Save(r, w)
 
 	// create a wide session
-	wideSession := session.WideSessions.New(httpSession)
+	rand.Seed(time.Now().UnixNano())
+	sid := strconv.Itoa(rand.Int())
+	wideSession := session.WideSessions.New(httpSession, sid)
 
 	username := httpSession.Values["username"].(string)
 	locale := conf.Wide.GetUser(username).Locale

static/js/editors.js

@@ -180,7 +180,7 @@ var editors = {
             title: '<span title="' + config.label.start_page + '">' + config.label.start_page + '</span>',
             content: '<div id="startPage"></div>',
             after: function () {
-                $("#startPage").load('/start');
+                $("#startPage").load('/start?sid=' + config.wideSessionId);
                 $.ajax({
                     url: "http://symphony.b3log.org/apis/articles?tags=wide,golang&p=1&size=30",
                     type: "GET",

static/js/notification.js

@@ -30,7 +30,6 @@ var notification = {
 
         notificationWS.onclose = function (e) {
             console.log('[notification onclose] disconnected (' + e.code + ')');
-            delete notificationWS;
         };
 
         notificationWS.onerror = function (e) {

static/js/session.js

@@ -83,16 +83,56 @@ var session = {
 
         sessionWS.onopen = function () {
             console.log('[session onopen] connected');
+
+            var dateFormat = function (time, fmt) {
+                var date = new Date(time);
+                var dateObj = {
+                    "M+": date.getMonth() + 1, //月份 
+                    "d+": date.getDate(), //日 
+                    "h+": date.getHours(), //小时 
+                    "m+": date.getMinutes(), //分 
+                    "s+": date.getSeconds(), //秒 
+                    "q+": Math.floor((date.getMonth() + 3) / 3), //季度 
+                    "S": date.getMilliseconds() //毫秒 
+                };
+                if (/(y+)/.test(fmt))
+                    fmt = fmt.replace(RegExp.$1, (date.getFullYear() + "").substr(4 - RegExp.$1.length));
+                for (var k in dateObj)
+                    if (new RegExp("(" + k + ")").test(fmt)) {
+                        fmt = fmt.replace(RegExp.$1, (RegExp.$1.length === 1)
+                                ? (dateObj[k]) : (("00" + dateObj[k]).substr(("" + dateObj[k]).length)));
+                    }
+                return fmt;
+            };
+
+            var data = {type: "Network", severity: "INFO",
+                message: "Connected to server [sid=" + config.wideSessionId + "], " + dateFormat(new Date().getTime(), 'yyyy-MM-dd hh:mm:ss')},
+            $notification = $('.bottom-window-group .notification > table'),
+                    notificationHTML = '';
+
+            notificationHTML += '<tr><td class="severity">' + data.severity
+                    + '</td><td class="message">' + data.message
+                    + '</td><td class="type">' + data.type + '</td></tr>';
+            $notification.append(notificationHTML);
         };
 
         sessionWS.onmessage = function (e) {
             console.log('[session onmessage]' + e.data);
-            var data = JSON.parse(e.data);
-
         };
         sessionWS.onclose = function (e) {
             console.log('[session onclose] disconnected (' + e.code + ')');
-            delete sessionWS;
+
+            var data = {type: "Network", severity: "ERROR",
+                message: "Disconnected from server, trying to reconnect it [sid=" + config.wideSessionId + "]"},
+            $notification = $('.bottom-window-group .notification > table'),
+                    notificationHTML = '';
+
+            notificationHTML += '<tr><td class="severity">' + data.severity
+                    + '</td><td class="message">' + data.message
+                    + '</td><td class="type">' + data.type + '</td></tr>';
+            $notification.append(notificationHTML);
+
+            $(".notification-count").show();
         };
         sessionWS.onerror = function (e) {
             console.log('[session onerror] ' + JSON.parse(e));

static/js/shell.js

@@ -14,7 +14,6 @@ var shell = {
         };
         shell.shellWS.onclose = function (e) {
             console.log('[shell onclose] disconnected (' + e.code + ')');
-            delete shell.shellWS;
         };
         shell.shellWS.onerror = function (e) {
             console.log('[shell onerror] ' + e);

static/js/wide.js

@@ -387,7 +387,6 @@ var wide = {
         };
         outputWS.onclose = function (e) {
             console.log('[output onclose] disconnected (' + e.code + ')');
-            delete outputWS;
         };
         outputWS.onerror = function (e) {
             console.log('[output onerror] ' + e);

views/start.html

@@ -5,6 +5,10 @@
             <label>{{.i18n.current_user}}{{.i18n.colon}}</label>
             {{.username}}
         </li>
+        <li>
+            <label>{{.i18n.current_session}}{{.i18n.colon}}</label>
+            {{.session.Id}}
+        </li>
         <li class="border workspace">
             <label>{{.i18n.workspace}}{{.i18n.colon}}</label>
             <span>{{.workspace}}</span>