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authorSebastien Douheret <sebastien.douheret@iot.bzh>2017-08-18 01:04:02 +0200
committerSebastien Douheret <sebastien.douheret@iot.bzh>2017-08-18 01:04:02 +0200
commit8f44cc7217ce48f3f94c8ea3f037cdf011c4493b (patch)
treea93c483370e6ad64a7440241cfb7c21beb6021ba /lib/apiv1/events.go
parent4feef5296bf3aea331fdde4cd7b94ee2322a907e (diff)
Add folder synchronization status.
Also add ability to force re-synchronization.
Diffstat (limited to 'lib/apiv1/events.go')
-rw-r--r--lib/apiv1/events.go147
1 files changed, 147 insertions, 0 deletions
diff --git a/lib/apiv1/events.go b/lib/apiv1/events.go
new file mode 100644
index 0000000..da8298c
--- /dev/null
+++ b/lib/apiv1/events.go
@@ -0,0 +1,147 @@
+package apiv1
+
+import (
+ "net/http"
+ "time"
+
+ "github.com/iotbzh/xds-server/lib/folder"
+
+ "github.com/gin-gonic/gin"
+ common "github.com/iotbzh/xds-common/golib"
+)
+
+// EventArgs is the parameters (json format) of /events/register command
+type EventRegisterArgs struct {
+ Name string `json:"name"`
+ ProjectID string `json:"filterProjectID"`
+}
+
+type EventUnRegisterArgs struct {
+ Name string `json:"name"`
+ ID int `json:"id"`
+}
+
+// EventMsg Message send
+type EventMsg struct {
+ Time string `json:"time"`
+ Type string `json:"type"`
+ Folder folder.FolderConfig `json:"folder"`
+}
+
+// EventEvent Event send in WS when an internal event (eg. Syncthing event is received)
+const EventEventAll = "event:all"
+const EventEventType = "event:" // following by event type
+
+// eventsList Registering for events that will be send over a WS
+func (s *APIService) eventsList(c *gin.Context) {
+
+}
+
+// eventsRegister Registering for events that will be send over a WS
+func (s *APIService) eventsRegister(c *gin.Context) {
+ var args EventRegisterArgs
+
+ if c.BindJSON(&args) != nil {
+ common.APIError(c, "Invalid arguments")
+ return
+ }
+
+ sess := s.sessions.Get(c)
+ if sess == nil {
+ common.APIError(c, "Unknown sessions")
+ return
+ }
+
+ evType := "FolderStateChanged"
+ if args.Name != evType {
+ common.APIError(c, "Unsupported event name")
+ return
+ }
+
+ /* XXX - to be removed if no plan to support "generic" event
+ var cbFunc st.EventsCB
+ cbFunc = func(ev st.Event, data *st.EventsCBData) {
+
+ evid, _ := strconv.Atoi((*data)["id"].(string))
+ ssid := (*data)["sid"].(string)
+ so := s.sessions.IOSocketGet(ssid)
+ if so == nil {
+ s.log.Infof("Event %s not emitted - sid: %s", ev.Type, ssid)
+
+ // Consider that client disconnected, so unregister this event
+ s.mfolders.SThg.Events.UnRegister(ev.Type, evid)
+ return
+ }
+
+ msg := EventMsg{
+ Time: ev.Time,
+ Type: ev.Type,
+ Data: ev.Data,
+ }
+
+ if err := (*so).Emit(EventEventAll, msg); err != nil {
+ s.log.Errorf("WS Emit Event : %v", err)
+ }
+
+ if err := (*so).Emit(EventEventType+ev.Type, msg); err != nil {
+ s.log.Errorf("WS Emit Event : %v", err)
+ }
+ }
+
+ data := make(st.EventsCBData)
+ data["sid"] = sess.ID
+
+ id, err := s.mfolders.SThg.Events.Register(args.Name, cbFunc, args.ProjectID, &data)
+ */
+
+ var cbFunc folder.EventCB
+ cbFunc = func(cfg *folder.FolderConfig, data *folder.EventCBData) {
+ ssid := (*data)["sid"].(string)
+ so := s.sessions.IOSocketGet(ssid)
+ if so == nil {
+ //s.log.Infof("Event %s not emitted - sid: %s", ev.Type, ssid)
+
+ // Consider that client disconnected, so unregister this event
+ // SEB FIXMEs.mfolders.RegisterEventChange(ev.Type)
+ return
+ }
+
+ msg := EventMsg{
+ Time: time.Now().String(),
+ Type: evType,
+ Folder: *cfg,
+ }
+
+ if err := (*so).Emit(EventEventType+evType, msg); err != nil {
+ s.log.Errorf("WS Emit Folder StateChanged event : %v", err)
+ }
+ }
+ data := make(folder.EventCBData)
+ data["sid"] = sess.ID
+
+ err := s.mfolders.RegisterEventChange(args.ProjectID, &cbFunc, &data)
+ if err != nil {
+ common.APIError(c, err.Error())
+ return
+ }
+
+ c.JSON(http.StatusOK, gin.H{"status": "OK"})
+}
+
+// eventsRegister Registering for events that will be send over a WS
+func (s *APIService) eventsUnRegister(c *gin.Context) {
+ var args EventUnRegisterArgs
+
+ if c.BindJSON(&args) != nil || args.Name == "" || args.ID < 0 {
+ common.APIError(c, "Invalid arguments")
+ return
+ }
+ /* TODO
+ if err := s.mfolders.SThg.Events.UnRegister(args.Name, args.ID); err != nil {
+ common.APIError(c, err.Error())
+ return
+ }
+ c.JSON(http.StatusOK, gin.H{"status": "OK"})
+ */
+ common.APIError(c, "Not implemented yet")
+}