websocket channel init enchance

editor/editors.go

@@ -43,10 +43,13 @@ func WSHandler(w http.ResponseWriter, r *http.Request) {
 	conn, _ := websocket.Upgrade(w, r, nil, 1024, 1024)
 	editorChan := util.WSChannel{Sid: sid, Conn: conn, Request: r, Time: time.Now()}
 
-	session.EditorWS[sid] = &editorChan
-
 	ret := map[string]interface{}{"output": "Editor initialized", "cmd": "init-editor"}
-	editorChan.Conn.WriteJSON(&ret)
+	err := editorChan.Conn.WriteJSON(&ret)
+	if nil != err {
+		return
+	}
+
+	session.EditorWS[sid] = &editorChan
 
 	glog.Infof("Open a new [Editor] with session [%s], %d", sid, len(session.EditorWS))
 

notification/notifications.go

@@ -17,9 +17,9 @@ package notification
 
 import (
 	"net/http"
+	"strconv"
 	"time"
 
-	"strconv"
 	"github.com/b3log/wide/conf"
 	"github.com/b3log/wide/event"
 	"github.com/b3log/wide/i18n"
@@ -97,6 +97,12 @@ func WSHandler(w http.ResponseWriter, r *http.Request) {
 	conn, _ := websocket.Upgrade(w, r, nil, 1024, 1024)
 	wsChan := util.WSChannel{Sid: sid, Conn: conn, Request: r, Time: time.Now()}
 
+	ret := map[string]interface{}{"notification": "Notification initialized", "cmd": "init-notification"}
+	err := wsChan.Conn.WriteJSON(&ret)
+	if nil != err {
+		return
+	}
+
 	session.NotificationWS[sid] = &wsChan
 
 	glog.V(4).Infof("Open a new [Notification] with session [%s], %d", sid, len(session.NotificationWS))

output/outputs.go

@@ -58,10 +58,13 @@ func WSHandler(w http.ResponseWriter, r *http.Request) {
 	conn, _ := websocket.Upgrade(w, r, nil, 1024, 1024)
 	wsChan := util.WSChannel{Sid: sid, Conn: conn, Request: r, Time: time.Now()}
 
-	session.OutputWS[sid] = &wsChan
-
 	ret := map[string]interface{}{"output": "Ouput initialized", "cmd": "init-output"}
-	wsChan.Conn.WriteJSON(&ret)
+	err := wsChan.Conn.WriteJSON(&ret)
+	if nil != err {
+		return
+	}
+
+	session.OutputWS[sid] = &wsChan
 
 	glog.V(4).Infof("Open a new [Output] with session [%s], %d", sid, len(session.OutputWS))
 }

session/sessions.go

@@ -126,10 +126,13 @@ func WSHandler(w http.ResponseWriter, r *http.Request) {
 	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": "Session initialized", "cmd": "init-session"}
-	wsChan.Conn.WriteJSON(&ret)
+	err := wsChan.Conn.WriteJSON(&ret)
+	if nil != err {
+		return
+	}
+
+	SessionWS[sid] = &wsChan
 
 	glog.V(4).Infof("Open a new [Session Channel] with session [%s], %d", sid, len(SessionWS))
 

shell/shells.go

@@ -89,10 +89,13 @@ func WSHandler(w http.ResponseWriter, r *http.Request) {
 	conn, _ := websocket.Upgrade(w, r, nil, 1024, 1024)
 	wsChan := util.WSChannel{Sid: sid, Conn: conn, Request: r, Time: time.Now()}
 
-	ShellWS[sid] = &wsChan
-
 	ret := map[string]interface{}{"output": "Shell initialized", "cmd": "init-shell"}
-	wsChan.Conn.WriteJSON(&ret)
+	err := wsChan.Conn.WriteJSON(&ret)
+	if nil != err {
+		return
+	}
+
+	ShellWS[sid] = &wsChan
 
 	glog.V(4).Infof("Open a new [Shell] with session [%s], %d", sid, len(ShellWS))
 

static/js/notification.js

@@ -36,6 +36,10 @@ var notification = {
                     $notification = $('.bottom-window-group .notification > table'),
                     notificationHTML = '';
             
+            if (data.cmd && "init-notification" === data.cmd) {
+                return;
+            }
+
             notificationHTML += '<tr><td class="severity">' + data.severity
                     + '</td><td class="message">' + data.message
                     + '</td><td class="type">' + data.type + '</td></tr>';