/
websocket.go
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/
websocket.go
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/*
* Copyright (c) 2017, MegaEase
* All rights reserved.
*
* 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 websocketserver
import (
"github.com/megaease/easegress/pkg/supervisor"
)
const (
// Category is the category of WebSocketServer.
Category = supervisor.CategoryBusinessController
// Kind is the kind of WebSocketServer.
Kind = "WebSocketServer"
)
func init() {
supervisor.Register(&WebSocketServer{})
}
type (
// WebSocketServer implements WebSocket protocol in EG.
WebSocketServer struct {
superSpec *supervisor.Spec
spec *Spec
proxy *Proxy
}
)
// Category returns the category of WebsocketServer.
func (ws *WebSocketServer) Category() supervisor.ObjectCategory {
return Category
}
// Kind returns the kind of WebsocketServer.
func (ws *WebSocketServer) Kind() string {
return Kind
}
// DefaultSpec returns the default spec of WebSocketServer.
func (ws *WebSocketServer) DefaultSpec() interface{} {
return &Spec{}
}
// Validate validates the websocketserver structure.
func (ws *WebSocketServer) Validate() error {
return nil
}
// Init initializes Function.
func (ws *WebSocketServer) Init(superSpec *supervisor.Spec) {
ws.superSpec, ws.spec = superSpec, superSpec.ObjectSpec().(*Spec)
ws.reload()
}
// Inherit inherits previous generation of WebSocketServer.
func (ws *WebSocketServer) Inherit(superSpec *supervisor.Spec, previousGeneration supervisor.Object) {
previousGeneration.Close()
ws.Init(superSpec)
}
func (ws *WebSocketServer) reload() {
ws.proxy = newProxy(ws.superSpec)
}
// Status returns Status generated by proxy.
func (ws *WebSocketServer) Status() *supervisor.Status {
return &supervisor.Status{}
}
// Close closes WebSocketServer.
func (ws *WebSocketServer) Close() {
ws.proxy.Close()
}