logos-messaging/go-libp2p-pubsub
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feat: new WithMsgIdFunction topic option to enable topics to have own msg id generation rules

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Wondertan 2022-01-09 18:23:33 +02:00 committed by vyzo
parent 0e687f24a6
commit 6035642336
1 changed files with 8 additions and 0 deletions
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8
pubsub.go
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@ -1160,6 +1160,14 @@ type TopicOptions struct{}
type TopicOpt func(t *Topic) error type TopicOpt func(t *Topic) error
// WithMsgIdFunction sets custom MsgIdFunction for a Topic, enabling topics to have own msg id generation rules.
func (p *PubSub) WithMsgIdFunction(msgId MsgIdFunction) TopicOpt {
return func(t *Topic) error {
t.p.idGen.Set(t.topic, msgId)
return nil
}
}
// Join joins the topic and returns a Topic handle. Only one Topic handle should exist per topic, and Join will error if // Join joins the topic and returns a Topic handle. Only one Topic handle should exist per topic, and Join will error if
// the Topic handle already exists. // the Topic handle already exists.
func (p *PubSub) Join(topic string, opts ...TopicOpt) (*Topic, error) { func (p *PubSub) Join(topic string, opts ...TopicOpt) (*Topic, error) {