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package apiv1
import (
"net/http"
"strings"
"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 (
// EventTypePrefix Used as event prefix
EventTypePrefix = "event:" // following by event type
// Supported Events type
EVTAll = EventTypePrefix + "all"
EVTFolderChange = EventTypePrefix + "folder-change" // type EventMsg with Data type apiv1.???
EVTFolderStateChange = EventTypePrefix + "folder-state-change" // type EventMsg with Data type apiv1.???
)
// 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 := strings.TrimPrefix(EVTFolderStateChange, EventTypePrefix)
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(EVTAll, msg); err != nil {
s.log.Errorf("WS Emit Event : %v", err)
}
if err := (*so).Emit(EventTypePrefix+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,
}
s.log.Debugf("WS Emit %s - Status=%10s, IsInSync=%6v, ID=%s",
EventTypePrefix+evType, cfg.Status, cfg.IsInSync, cfg.ID)
if err := (*so).Emit(EventTypePrefix+evType, msg); err != nil {
s.log.Errorf("WS Emit Folder StateChanged event : %v", err)
}
}
data := make(folder.EventCBData)
data["sid"] = sess.ID
prjID, err := s.mfolders.ResolveID(args.ProjectID)
if err != nil {
common.APIError(c, err.Error())
return
}
if err = s.mfolders.RegisterEventChange(prjID, &cbFunc, &data); 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")
}
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