+/*
+ * Copyright (C) 2017 "IoT.bzh"
+ * Author Sebastien Douheret <sebastien@iot.bzh>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
package agent
import (
// Close Free and close XDS Server connection
func (xs *XdsServer) Close() error {
- xs.Connected = false
+ err := xs._Disconnected()
xs.Disabled = true
- xs.ioSock = nil
- xs._NotifyState()
- return nil
+ return err
}
// Connect Establish HTTP connection with XDS Server
time.Sleep(time.Second)
}
if retry == 0 {
- // FIXME: re-use _reconnect to wait longer in background
+ // FIXME: re-use _Reconnect to wait longer in background
return fmt.Errorf("Connection to XDS Server failure")
}
if err != nil {
}
// Check HTTP connection and establish WS connection
- err = xs._connect(false)
+ err = xs._Connect(false)
return err
}
// Send Get request
if err := xs.client.Get(nURL, &data); err != nil {
if strings.Contains(err.Error(), "connection refused") {
- xs.Connected = false
- xs._NotifyState()
+ xs._Disconnected()
}
common.APIError(c, err.Error())
return
// Register listener only the first time
evn := evName
- // FIXME: use generic type: data interface{} instead of data xsapiv1.EventMsg
- var err error
- if evName == "event:folder-state-change" {
- err = xs.ioSock.On(evn, func(data xsapiv1.EventMsg) error {
- xs.sockEventsLock.Lock()
- sEvts := make([]*caller, len(xs.sockEvents[evn]))
- copy(sEvts, xs.sockEvents[evn])
- xs.sockEventsLock.Unlock()
- for _, c := range sEvts {
- c.Func(c.PrivateData, data)
- }
- return nil
- })
- } else {
- err = xs.ioSock.On(evn, func(data interface{}) error {
+ err := xs.ioSock.On(evn, func(data interface{}) error {
xs.sockEventsLock.Lock()
sEvts := make([]*caller, len(xs.sockEvents[evn]))
copy(sEvts, xs.sockEvents[evn])
}
return nil
})
- }
if err != nil {
return uuid.Nil, err
}
}
xs.sockEvents[evName] = append(xs.sockEvents[evName], c)
+ xs.LogSillyf("XS EventOn: sockEvents[\"%s\"]: len %d", evName, len(xs.sockEvents[evName]))
return c.id, nil
}
}
}
}
+ xs.LogSillyf("XS EventOff: sockEvents[\"%s\"]: len %d", evName, len(xs.sockEvents[evName]))
return nil
}
return nil
}
-// Re-established connection
-func (xs *XdsServer) _reconnect() error {
- err := xs._connect(true)
+// _Reconnect Re-established connection
+func (xs *XdsServer) _Reconnect() error {
+ err := xs._Connect(true)
if err == nil {
// Reload projects list for this server
err = xs.projects.Init(xs)
return err
}
-// Established HTTP and WS connection and retrieve XDSServer config
-func (xs *XdsServer) _connect(reConn bool) error {
+// _Connect Established HTTP and WS connection and retrieve XDSServer config
+func (xs *XdsServer) _Connect(reConn bool) error {
xdsCfg := xsapiv1.APIConfig{}
if err := xs.client.Get("/config", &xdsCfg); err != nil {
// Establish WS connection and register listen
if err := xs._SocketConnect(); err != nil {
- xs.Connected = false
- xs._NotifyState()
+ xs._Disconnected()
return err
}
return nil
}
-// Create WebSocket (io.socket) connection
+// _SocketConnect Create WebSocket (io.socket) connection
func (xs *XdsServer) _SocketConnect() error {
xs.Log.Infof("Connecting IO.socket for server %s (url %s)", xs.ID, xs.BaseURL)
if xs.CBOnDisconnect != nil {
xs.CBOnDisconnect(err)
}
- xs.Connected = false
- xs._NotifyState()
+ xs._Disconnected()
// Try to reconnect during 15min (or at least while not disabled)
go func() {
time.Sleep(time.Second * time.Duration(waitTime))
xs.Log.Infof("Try to reconnect to server %s (%d)", xs.BaseURL, count)
- xs._reconnect()
+ err := xs._Reconnect()
+ if err != nil &&
+ !(strings.Contains(err.Error(), "dial tcp") && strings.Contains(err.Error(), "connection refused")) {
+ xs.Log.Errorf("ERROR while reconnecting: %v", err.Error())
+ }
+
}
}()
})
return nil
}
-// Send event to notify changes
+// _Disconnected Set XDS Server as disconnected
+func (xs *XdsServer) _Disconnected() error {
+ // Clear all register events as socket is closed
+ for k := range xs.sockEvents {
+ delete(xs.sockEvents, k)
+ }
+ xs.Connected = false
+ xs.ioSock = nil
+ xs._NotifyState()
+ return nil
+}
+
+// _NotifyState Send event to notify changes
func (xs *XdsServer) _NotifyState() {
evSts := xaapiv1.ServerCfg{
Code Review / src / xds / xds-agent.git / blobdiff