40 lines
880 B
Go
40 lines
880 B
Go
package relay
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import (
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"context"
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"time"
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"github.com/libp2p/go-libp2p-discovery"
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ma "github.com/multiformats/go-multiaddr"
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)
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var (
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// this is purposefully long to require some node stability before advertising as a relay
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AdvertiseBootDelay = 15 * time.Minute
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AdvertiseTTL = 30 * time.Minute
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)
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// Advertise advertises this node as a libp2p relay.
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func Advertise(ctx context.Context, advertise discovery.Advertiser) {
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go func() {
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select {
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case <-time.After(AdvertiseBootDelay):
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discovery.Advertise(ctx, advertise, RelayRendezvous, discovery.TTL(AdvertiseTTL))
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case <-ctx.Done():
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}
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}()
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}
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// Filter filters out all relay addresses.
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func Filter(addrs []ma.Multiaddr) []ma.Multiaddr {
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raddrs := make([]ma.Multiaddr, 0, len(addrs))
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for _, addr := range addrs {
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if isRelayAddr(addr) {
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continue
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}
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raddrs = append(raddrs, addr)
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}
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return raddrs
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}
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