forked from cerc-io/ipld-eth-server
43 lines
874 B
Go
43 lines
874 B
Go
package discovery
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import (
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"time"
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)
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// Option is a single discovery option
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type Option func(opts *Options) error
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// Options is a set of discovery options
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type Options struct {
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Ttl time.Duration
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Limit int
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// Other (implementation-specific) options
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Other map[interface{}]interface{}
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}
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// Apply applies the given options to this Options
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func (opts *Options) Apply(options ...Option) error {
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for _, o := range options {
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if err := o(opts); err != nil {
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return err
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}
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}
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return nil
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}
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// TTL is an option that provides a hint for the duration of an advertisement
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func TTL(ttl time.Duration) Option {
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return func(opts *Options) error {
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opts.Ttl = ttl
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return nil
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}
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}
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// Limit is an option that provides an upper bound on the peer count for discovery
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func Limit(limit int) Option {
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return func(opts *Options) error {
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opts.Limit = limit
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return nil
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}
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}
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