mirror of
https://github.com/openziti/ziti.git
synced 2026-10-12 15:28:05 +00:00
Paul Lorenz
61 lines
1.6 KiB
Go
61 lines
1.6 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 trace
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import (
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"github.com/openziti/foundation/event"
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"github.com/openziti/foundation/trace/pb"
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"github.com/openziti/foundation/util/cowslice"
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)
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var EventHandlerRegistry = cowslice.NewCowSlice(make([]EventHandler, 0))
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func getTraceEventHandlers() []EventHandler {
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return EventHandlerRegistry.Value().([]EventHandler)
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}
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// EventHandler is for types wishing to receive trace messages
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type EventHandler interface {
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Accept(event *trace_pb.ChannelMessage)
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}
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type eventWrapper struct {
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wrapped *trace_pb.ChannelMessage
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}
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func (event *eventWrapper) Handle() {
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handlers := getTraceEventHandlers()
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for _, handler := range handlers {
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handler.Accept(event.wrapped)
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}
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}
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func NewDispatchWrapper(delegate func(event event.Event)) EventHandler {
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return &DispatchWrapper{
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delegate: delegate,
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}
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}
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type DispatchWrapper struct {
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delegate func(event event.Event)
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}
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func (dispatchWrapper *DispatchWrapper) Accept(event *trace_pb.ChannelMessage) {
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eventWrapper := &eventWrapper{wrapped: event}
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dispatchWrapper.delegate(eventWrapper)
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}
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