ing

server.go

@@ -37,12 +37,12 @@ type server struct {
 
 func (s *server) Start() error {
 	if nil == s.sh {
-		panic("Server: server handler must be specified.")
+		logging.Logger().Panic("Server: server handler must be specified.")
 	}
 	s.sh.Validate()
 
 	if s.stopChan != nil {
-		panic("Server: server is already running. Stop it before starting it again")
+		logging.Logger().Panic("Server: server is already running. Stop it before starting it again")
 	}
 
 	s.httpServer = &fasthttp.Server{
@@ -74,9 +74,11 @@ func (s *server) Start() error {
 
 	s.stopChan = make(chan struct{})
 
-	logging.Logger().Info(fmt.Sprintf("Server[%s] is started", s.sh.GetName()))
+	if err = s.sh.OnStart(); nil != err {
+		logging.Logger().Panic(fmt.Sprintf("Server: server cannot start %v", err))
+	}
 
-	s.sh.OnStart()
+	logging.Logger().Info(fmt.Sprintf("Server[%s] is started", s.sh.GetName()))
 
 	s.stopWg.Add(1)
 	go handleServer(s)
@@ -86,7 +88,7 @@ func (s *server) Start() error {
 
 func (s *server) Stop() {
 	if s.stopChan == nil {
-		panic("Server: server must be started before stopping it")
+		logging.Logger().Panic("Server: server must be started before stopping it")
 	}
 	close(s.stopChan)
 	s.stopWg.Wait()
@@ -125,8 +127,8 @@ func (s *server) handleRequest(ctx *fasthttp.RequestCtx) {
 		return
 	}
 	var responseHeader *fasthttp.ResponseHeader
-	var socketID interface{}
-	if socketID, responseHeader = socketHandler.Handshake(ctx); nil == socketID {
+	var socketID string
+	if socketID, responseHeader = socketHandler.Handshake(ctx); "" == socketID {
 		s.handleError(ctx, http.StatusNotAcceptable, fmt.Errorf("Server: Handshake err"))
 		return
 	}
@@ -142,7 +144,6 @@ func (s *server) handleRequest(ctx *fasthttp.RequestCtx) {
 		s.stopWg.Add(1)
 		handleConnection(s, soc, socketHandler)
 	})
-
 }
 
 func (s *server) handleError(ctx *fasthttp.RequestCtx, status int, reason error) {

server_handler.go

@@ -12,7 +12,7 @@ type ServerHandler interface {
 	CheckOrigin(ctx *fasthttp.RequestCtx) bool
 	OnError(ctx *fasthttp.RequestCtx, status int, reason error)
 
-	OnStart()
+	OnStart() error
 	OnStop()
 
 	RegisterSocketHandler(path string, handler SocketHandler)

server_handlers.go

@@ -6,6 +6,8 @@ import (
 	"net"
 	"time"
 
+	"git.loafle.net/commons_go/logging"
+
 	"github.com/valyala/fasthttp"
 )
 
@@ -62,15 +64,31 @@ func (sh *ServerHandlers) CheckOrigin(ctx *fasthttp.RequestCtx) bool {
 }
 
 func (sh *ServerHandlers) OnError(ctx *fasthttp.RequestCtx, status int, reason error) {
-	// no op
+	logging.Logger().Error(fmt.Sprintf("Server: error status: %d, reason: %v, [%v]", status, reason, ctx))
 }
 
-func (sh *ServerHandlers) OnStart() {
-	// no op
+// OnStart invoked when server is stated
+// If you override ths method, must call
+func (sh *ServerHandlers) OnStart() error {
+	if nil != sh.socketHandlers {
+		for _, socketHandler := range sh.socketHandlers {
+			if err := socketHandler.Init(); nil != err {
+				return err
+			}
+		}
+	}
+
+	return nil
 }
 
+// OnStop invoked when server is stopped
+// If you override ths method, must call
 func (sh *ServerHandlers) OnStop() {
-	// no op
+	if nil != sh.socketHandlers {
+		for _, socketHandler := range sh.socketHandlers {
+			socketHandler.Destroy()
+		}
+	}
 }
 
 func (sh *ServerHandlers) RegisterSocketHandler(path string, handler SocketHandler) {
@@ -100,12 +118,15 @@ func (sh *ServerHandlers) GetName() string {
 func (sh *ServerHandlers) GetConcurrency() int {
 	return sh.Concurrency
 }
+
 func (sh *ServerHandlers) GetMaxStopWaitTime() time.Duration {
 	return sh.MaxStopWaitTime
 }
+
 func (sh *ServerHandlers) GetHandshakeTimeout() time.Duration {
 	return sh.HandshakeTimeout
 }
+
 func (sh *ServerHandlers) GetReadBufferSize() int {
 	return sh.ReadBufferSize
 }

socket.go

@@ -9,7 +9,7 @@ import (
 	"git.loafle.net/commons_go/websocket_fasthttp/websocket"
 )
 
-func newSocket(id interface{}, conn *websocket.Conn, sh SocketHandler) *Socket {
+func newSocket(id string, conn *websocket.Conn, sh SocketHandler) *Socket {
 	s := retainSocket()
 	s.Conn = conn
 	s.sh = sh
@@ -26,13 +26,13 @@ type Socket struct {
 	*websocket.Conn
 	sh SocketHandler
 
-	id         interface{}
+	id         string
 	attributes map[interface{}]interface{}
 
 	sc *SocketConn
 }
 
-func (s *Socket) ID() interface{} {
+func (s *Socket) ID() string {
 	return s.id
 }
 
@@ -163,7 +163,7 @@ func retainSocket() *Socket {
 func releaseSocket(s *Socket) {
 	s.sh = nil
 	s.sc = nil
-	s.id = nil
+	s.id = ""
 
 	socketPool.Put(s)
 }

socket_handler.go

@@ -7,12 +7,25 @@ import (
 )
 
 type SocketHandler interface {
+	// Init invoked when server is stated
+	// If you override ths method, must call
+	Init() error
 	// Handshake do handshake client and server
-	// id is identity of client socket. if id is nil, disallow connection
-	Handshake(ctx *fasthttp.RequestCtx) (id interface{}, extensionsHeader *fasthttp.ResponseHeader)
+	// id is identity of client socket. if id is "", disallow connection
+	Handshake(ctx *fasthttp.RequestCtx) (id string, extensionsHeader *fasthttp.ResponseHeader)
+	// OnConnect invoked when client is connected
+	// If you override ths method, must call
 	OnConnect(soc *Socket)
 	Handle(soc *Socket, stopChan <-chan struct{}, doneChan chan<- struct{})
+	// OnDisconnect invoked when client is disconnected
+	// If you override ths method, must call
 	OnDisconnect(soc *Socket)
+	// Destroy invoked when server is stopped
+	// If you override ths method, must call
+	Destroy()
+
+	GetSocket(id string) *Socket
+	GetSockets() map[string]*Socket
 
 	GetMaxMessageSize() int64
 	GetWriteTimeout() time.Duration
@@ -21,5 +34,7 @@ type SocketHandler interface {
 	GetPingTimeout() time.Duration
 	GetPingPeriod() time.Duration
 
+	// Validate is check handler value
+	// If you override ths method, must call
 	Validate()
 }

socket_handlers.go

@@ -25,13 +25,22 @@ type SocketHandlers struct {
 	PongTimeout time.Duration
 	PingTimeout time.Duration
 	PingPeriod  time.Duration
+
+	sockets map[string]*Socket
 }
 
-func (sh *SocketHandlers) Handshake(ctx *fasthttp.RequestCtx) (id interface{}, extensionsHeader *fasthttp.ResponseHeader) {
-	return nil, nil
+func (sh *SocketHandlers) Init() error {
+	sh.sockets = make(map[string]*Socket)
+
+	return nil
 }
+
+func (sh *SocketHandlers) Handshake(ctx *fasthttp.RequestCtx) (id string, extensionsHeader *fasthttp.ResponseHeader) {
+	return "", nil
+}
+
 func (sh *SocketHandlers) OnConnect(soc *Socket) {
-	// no op
+	sh.sockets[soc.ID()] = soc
 }
 
 func (sh *SocketHandlers) Handle(soc *Socket, stopChan <-chan struct{}, doneChan chan<- struct{}) {
@@ -39,9 +48,20 @@ func (sh *SocketHandlers) Handle(soc *Socket, stopChan <-chan struct{}, doneChan
 }
 
 func (sh *SocketHandlers) OnDisconnect(soc *Socket) {
+	delete(sh.sockets, soc.ID())
+}
+
+func (sh *SocketHandlers) Destroy() {
 	// no op
 }
 
+func (sh *SocketHandlers) GetSocket(id string) *Socket {
+	return sh.sockets[id]
+}
+func (sh *SocketHandlers) GetSockets() map[string]*Socket {
+	return sh.sockets
+}
+
 func (sh *SocketHandlers) GetMaxMessageSize() int64 {
 	return sh.MaxMessageSize
 }