mirror of
https://github.com/hanzozt/zt.git
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zeekay
241625e7d9
- Repo names: ziti-* → zt-* - Go modules: github.com/hanzozt/ziti → github.com/hanzozt/zt - Docker images: hanzozt/ziti-* → hanzozt/zt-* - C/Java/JS symbols: ziti_* → zt_* - File and directory names updated
92 lines
2.3 KiB
Go
92 lines
2.3 KiB
Go
/*
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Copyright NetFoundry Inc.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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https://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package events
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import (
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"github.com/hanzozt/zt/v2/controller/event"
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"github.com/pkg/errors"
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)
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func (self *Dispatcher) AddLinkEventHandler(handler event.LinkEventHandler) {
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self.linkEventHandlers.Append(handler)
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}
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func (self *Dispatcher) RemoveLinkEventHandler(handler event.LinkEventHandler) {
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self.linkEventHandlers.DeleteIf(func(val event.LinkEventHandler) bool {
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if val == handler {
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return true
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}
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if w, ok := val.(event.LinkEventHandlerWrapper); ok {
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return w.IsWrapping(handler)
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}
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return false
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})
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}
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func (self *Dispatcher) AcceptLinkEvent(event *event.LinkEvent) {
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go func() {
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for _, handler := range self.linkEventHandlers.Value() {
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handler.AcceptLinkEvent(event)
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}
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}()
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}
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func (self *Dispatcher) registerLinkEventHandler(eventType string, val interface{}, _ map[string]interface{}) error {
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handler, ok := val.(event.LinkEventHandler)
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if !ok {
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return errors.Errorf("type %T doesn't implement the event.LinkEventHandler interface", val)
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}
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if eventType != event.LinkEventNS {
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handler = &linkEventOldNsAdapter{
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namespace: eventType,
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wrapped: handler,
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}
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}
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self.AddLinkEventHandler(handler)
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return nil
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}
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func (self *Dispatcher) unregisterLinkEventHandler(val interface{}) {
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if handler, ok := val.(event.LinkEventHandler); ok {
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self.RemoveLinkEventHandler(handler)
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}
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}
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type linkEventOldNsAdapter struct {
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namespace string
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wrapped event.LinkEventHandler
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}
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func (self *linkEventOldNsAdapter) AcceptLinkEvent(evt *event.LinkEvent) {
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nsEvent := *evt
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nsEvent.Namespace = self.namespace
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self.wrapped.AcceptLinkEvent(&nsEvent)
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}
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func (self *linkEventOldNsAdapter) IsWrapping(value event.LinkEventHandler) bool {
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if self.wrapped == value {
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return true
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}
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if w, ok := self.wrapped.(event.LinkEventHandlerWrapper); ok {
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return w.IsWrapping(value)
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}
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return false
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}
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