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authorSebastien Douheret <sebastien.douheret@iot.bzh>2018-01-04 23:42:31 +0100
committerSebastien Douheret <sebastien.douheret@iot.bzh>2018-01-04 23:42:33 +0100
commitf1083a8259b3d2f560b5f3ccb8b47c94e297d7fa (patch)
treef737d46443a30c066c29eea738a34174c64ae746 /lib/agent
parent45f6472d1e8ecad428da314a6d762143f033865d (diff)
Fixed Xds-server re-connection.
Add a callback on XDS-Server connect in order to properly register to XDS Server events in all cases (IOW on reconnection). Signed-off-by: Sebastien Douheret <sebastien.douheret@iot.bzh>
Diffstat (limited to 'lib/agent')
-rw-r--r--lib/agent/apiv1.go42
-rw-r--r--lib/agent/projects.go1
-rw-r--r--lib/agent/xdsserver.go37
3 files changed, 49 insertions, 31 deletions
diff --git a/lib/agent/apiv1.go b/lib/agent/apiv1.go
index d0e5a1c..a66f451 100644
--- a/lib/agent/apiv1.go
+++ b/lib/agent/apiv1.go
@@ -117,6 +117,30 @@ func (s *APIService) AddXdsServer(cfg xdsconfig.XDSServerConf) (*XdsServer, erro
// Declare passthrough routes
s.sdksPassthroughInit(svr)
+
+ // Register callback on Connection
+ svr.ConnectOn(func(server *XdsServer) error {
+
+ // Add server to list
+ s.xdsServers[server.ID] = svr
+
+ // Register event forwarder
+ if err := s.sdksEventsForwardInit(server); err != nil {
+ s.Log.Errorf("XDS Server %v - sdk event forwarding error: %v", server.ID, err)
+ }
+
+ // Load projects
+ if err := s.projects.Init(server); err != nil {
+ s.Log.Errorf("XDS Server %v - project init error: %v", server.ID, err)
+ }
+
+ // Registered to all events
+ if err := server.EventRegister(xsapiv1.EVTAll, ""); err != nil {
+ s.Log.Errorf("XDS Server %v - register all events error: %v", server.ID, err)
+ }
+
+ return nil
+ })
}
// Established connection
@@ -127,24 +151,6 @@ func (s *APIService) AddXdsServer(cfg xdsconfig.XDSServerConf) (*XdsServer, erro
delete(s.xdsServers, cfg.ID)
}
- // Add to map
- s.xdsServers[svr.ID] = svr
-
- // Register event forwarder
- s.sdksEventsForwardInit(svr)
-
- // Load projects
- if err == nil && svr.Connected {
- err = s.projects.Init(svr)
- }
-
- // Registered to all events
- if err == nil && svr.Connected {
- if err = svr.EventRegister(xsapiv1.EVTAll, ""); err != nil {
- s.Log.Errorf("XDS Server %v - register all events error: %v", svr.ID, err)
- }
- }
-
return svr, err
}
diff --git a/lib/agent/projects.go b/lib/agent/projects.go
index 7393364..4e8b0f6 100644
--- a/lib/agent/projects.go
+++ b/lib/agent/projects.go
@@ -54,6 +54,7 @@ func NewProjects(ctx *Context, st *st.SyncThing) *Projects {
// Init Load Projects configuration
func (p *Projects) Init(server *XdsServer) error {
+
svrList := make(map[string]*XdsServer)
// If server not set, load for all servers
if server == nil {
diff --git a/lib/agent/xdsserver.go b/lib/agent/xdsserver.go
index 3ec6123..346bdb9 100644
--- a/lib/agent/xdsserver.go
+++ b/lib/agent/xdsserver.go
@@ -54,16 +54,20 @@ type XdsServer struct {
sockEventsLock *sync.Mutex
// Private fields
- client *common.HTTPClient
- ioSock *sio_client.Client
- logOut io.Writer
- apiRouter *gin.RouterGroup
- cmdList map[string]interface{}
+ client *common.HTTPClient
+ ioSock *sio_client.Client
+ logOut io.Writer
+ apiRouter *gin.RouterGroup
+ cmdList map[string]interface{}
+ cbOnConnect OnConnectedCB
}
// EventCB Event emitter callback
type EventCB func(privData interface{}, evtData interface{}) error
+// OnConnectedCB connect callback
+type OnConnectedCB func(svr *XdsServer) error
+
// caller Used to chain event listeners
type caller struct {
id uuid.UUID
@@ -135,6 +139,12 @@ func (xs *XdsServer) Connect() error {
return err
}
+// ConnectOn Register a callback on events reception
+func (xs *XdsServer) ConnectOn(f OnConnectedCB) error {
+ xs.cbOnConnect = f
+ return nil
+}
+
// IsTempoID returns true when server as a temporary id
func (xs *XdsServer) IsTempoID() bool {
return strings.HasPrefix(xs.ID, _IDTempoPrefix)
@@ -536,15 +546,10 @@ func (xs *XdsServer) _CreateConnectHTTP() error {
// _Reconnect Re-established connection
func (xs *XdsServer) _Reconnect() error {
+
+ // Note that ConnectOn callback will be called (see apiv1.go file)
err := xs._Connect(true)
- if err == nil {
- // Reload projects list for this server
- err = xs.projects.Init(xs)
- }
- if err == nil {
- // Register again to all events
- err = xs.EventRegister(xsapiv1.EVTAll, "")
- }
+
return err
}
@@ -575,6 +580,12 @@ func (xs *XdsServer) _Connect(reConn bool) error {
}
xs.Connected = true
+
+ // Call OnConnect callback
+ if xs.cbOnConnect != nil {
+ xs.cbOnConnect(xs)
+ }
+
xs._NotifyState()
return nil
}