mirror of
https://github.com/woodpecker-ci/woodpecker.git
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59 lines
1.2 KiB
Go
59 lines
1.2 KiB
Go
// Copyright 2023 Woodpecker Authors
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package pubsub
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import "sync"
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type topic struct {
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sync.Mutex
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name string
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done chan struct{}
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subs map[*subscriber]struct{}
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}
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func newTopic(dest string) *topic {
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return &topic{
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name: dest,
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done: make(chan struct{}),
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subs: make(map[*subscriber]struct{}),
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}
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}
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func (t *topic) subscribe(s *subscriber) {
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t.Lock()
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t.subs[s] = struct{}{}
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t.Unlock()
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}
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func (t *topic) unsubscribe(s *subscriber) {
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t.Lock()
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delete(t.subs, s)
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t.Unlock()
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}
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func (t *topic) publish(m Message) {
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t.Lock()
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for s := range t.subs {
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go s.receiver(m)
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}
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t.Unlock()
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}
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func (t *topic) close() {
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t.Lock()
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close(t.done)
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t.Unlock()
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}
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