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authorChristian Pointner <equinox@helsinki.at>2016-07-17 17:51:02 (GMT)
committerChristian Pointner <equinox@helsinki.at>2016-07-17 17:51:02 (GMT)
commitd6cf861d9db69584f33c464e76c8387c9099fafb (patch)
treea7926c1dd68de7ff51ea257568af860a1666f77d /src/rhimportd
parenta285f48464bfff2fb5cddbbe5c1024e285b4c431 (diff)
change semantic of websocket list command, which now sends add/remove updates without requesting it
Diffstat (limited to 'src/rhimportd')
-rw-r--r--src/rhimportd/ctrlWebSocket.go51
1 files changed, 46 insertions, 5 deletions
diff --git a/src/rhimportd/ctrlWebSocket.go b/src/rhimportd/ctrlWebSocket.go
index b55e634..f3e4438 100644
--- a/src/rhimportd/ctrlWebSocket.go
+++ b/src/rhimportd/ctrlWebSocket.go
@@ -89,7 +89,8 @@ type webSocketResponseBaseData struct {
type webSocketResponseListData struct {
webSocketResponseBaseData
- Sessions map[string]string `json:"SESSIONS"`
+ Added map[string]string `json:"SESSIONS_ADDED"`
+ Removed map[string]string `json:"SESSIONS_REMOVED"`
}
type webSocketResponseProgressData struct {
@@ -134,12 +135,21 @@ func sendWebSocketAckResponse(ws *websocket.Conn, code int, id, refid string) {
sendWebSocketResponse(ws, rd)
}
-func sendWebSocketListResponse(ws *websocket.Conn, sessions map[string]string) {
+func sendWebSocketListResponse(ws *websocket.Conn, added map[string]string, removed map[string]string) {
rd := &webSocketResponseListData{}
rd.ResponseCode = http.StatusOK
rd.Type = "list"
rd.ErrorString = "OK"
- rd.Sessions = sessions
+ if added == nil {
+ rd.Added = make(map[string]string)
+ } else {
+ rd.Added = added
+ }
+ if removed == nil {
+ rd.Removed = make(map[string]string)
+ } else {
+ rd.Removed = removed
+ }
sendWebSocketResponse(ws, rd)
}
@@ -267,9 +277,38 @@ func (self *webSocketSession) reconnectSession(reqdata *webSocketRequestData, se
return http.StatusOK, "SUCCESS"
}
+type webSocketSessionListUpdate struct {
+ added map[string]string
+ removed map[string]string
+}
+
+type webSocketSessionListUpdateCBArg struct {
+ closed <-chan bool
+ updates chan<- webSocketSessionListUpdate
+}
+
+func webSocketListUpdate(added, removed map[string]string, userdata interface{}) bool {
+ arg := userdata.(webSocketSessionListUpdateCBArg)
+ if len(arg.closed) > 0 {
+ return false
+ }
+ select {
+ case arg.updates <- webSocketSessionListUpdate{added, removed}:
+ default:
+ }
+ return true
+}
+
func webSocketSessionHandler(reqchan <-chan webSocketRequestData, binchan <-chan []byte, ws *websocket.Conn, conf *rhimport.Config, sessions *rhimport.SessionStoreChan) {
defer ws.Close()
+ closed := make(chan bool, 1)
+ defer func() {
+ closed <- true
+ }()
+ listUpdates := make(chan webSocketSessionListUpdate, 5)
+ listUpdateCBArg := webSocketSessionListUpdateCBArg{closed, listUpdates}
+
session := newWebSocketSession()
for {
select {
@@ -307,15 +346,17 @@ func webSocketSessionHandler(reqchan <-chan webSocketRequestData, binchan <-chan
}
}
case "list":
- list, code, errstring := sessions.List(reqdata.UserName, reqdata.Password, false)
+ sessions, code, errstring := sessions.List(reqdata.UserName, reqdata.Password, false, listUpdateCBArg, webSocketListUpdate)
if code != http.StatusOK {
sendWebSocketErrorResponse(ws, code, errstring)
} else {
- sendWebSocketListResponse(ws, list)
+ sendWebSocketListResponse(ws, sessions, nil)
}
default:
sendWebSocketErrorResponse(ws, http.StatusBadRequest, fmt.Sprintf("unknown command '%s'", reqdata.Command))
}
+ case u := <-listUpdates:
+ sendWebSocketListResponse(ws, u.added, u.removed)
case p := <-session.progresschan:
sendWebSocketProgressResponse(ws, session.id, session.refId, p.Step, p.StepName, p.Current, p.Total, p.Title, p.Cart, p.Cut)
case d := <-session.donechan: