mirror of https://github.com/status-im/go-waku.git
40 lines
809 B
Go
40 lines
809 B
Go
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package gowaku
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import (
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"context"
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"time"
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"github.com/status-im/go-waku/waku/v2/dnsdisc"
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)
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func DnsDiscovery(url string, nameserver string, ms int) string {
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var ctx context.Context
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var cancel context.CancelFunc
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if ms > 0 {
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ctx, cancel = context.WithTimeout(context.Background(), time.Duration(int(ms))*time.Millisecond)
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defer cancel()
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} else {
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ctx = context.Background()
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}
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var dnsDiscOpt []dnsdisc.DnsDiscoveryOption
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if nameserver != "" {
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dnsDiscOpt = append(dnsDiscOpt, dnsdisc.WithNameserver(nameserver))
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}
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nodes, err := dnsdisc.RetrieveNodes(ctx, url, dnsDiscOpt...)
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if err != nil {
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return MakeJSONResponse(err)
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}
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var ma []string
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for _, n := range nodes {
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for _, addr := range n.Addresses {
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ma = append(ma, addr.String())
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}
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}
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return PrepareJSONResponse(ma, nil)
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}
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