| 1 | package options |
| 2 | |
| 3 | type PubSubPeersSettings struct { |
| 4 | Topic string |
| 5 | } |
| 6 | |
| 7 | type PubSubSubscribeSettings struct { |
| 8 | Discover bool |
| 9 | } |
| 10 | |
| 11 | type ( |
| 12 | PubSubPeersOption func(*PubSubPeersSettings) error |
| 13 | PubSubSubscribeOption func(*PubSubSubscribeSettings) error |
| 14 | ) |
| 15 | |
| 16 | func PubSubPeersOptions(opts ...PubSubPeersOption) (*PubSubPeersSettings, error) { |
| 17 | options := &PubSubPeersSettings{ |
| 18 | Topic: "", |
| 19 | } |
| 20 | |
| 21 | for _, opt := range opts { |
| 22 | err := opt(options) |
| 23 | if err != nil { |
| 24 | return nil, err |
| 25 | } |
| 26 | } |
| 27 | return options, nil |
| 28 | } |
| 29 | |
| 30 | func PubSubSubscribeOptions(opts ...PubSubSubscribeOption) (*PubSubSubscribeSettings, error) { |
| 31 | options := &PubSubSubscribeSettings{ |
| 32 | Discover: false, |
| 33 | } |
| 34 | |
| 35 | for _, opt := range opts { |
| 36 | err := opt(options) |
| 37 | if err != nil { |
| 38 | return nil, err |
| 39 | } |
| 40 | } |
| 41 | return options, nil |
| 42 | } |
| 43 | |
| 44 | type pubsubOpts struct{} |
| 45 | |
| 46 | var PubSub pubsubOpts |
| 47 | |
| 48 | func (pubsubOpts) Topic(topic string) PubSubPeersOption { |
| 49 | return func(settings *PubSubPeersSettings) error { |
| 50 | settings.Topic = topic |
| 51 | return nil |
| 52 | } |
| 53 | } |
| 54 | |
| 55 | func (pubsubOpts) Discover(discover bool) PubSubSubscribeOption { |
| 56 | return func(settings *PubSubSubscribeSettings) error { |
| 57 | settings.Discover = discover |
| 58 | return nil |
| 59 | } |
| 60 | } |