mirror of
https://github.com/folbricht/routedns.git
synced 2025-12-19 00:20:31 -06:00
61be40db8c
* Add ECS source support to routing (#470) * Add comment to clarify handling of EDNS0_SUBNET option in match function * Add support for EDNS Client Subnet (ECS) routing and per-client filtering - Updated README.md to include ECS routing capabilities and SVG image. - Added example configuration for use case 7
60 lines
1.6 KiB
Go
60 lines
1.6 KiB
Go
package rdns_test
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import (
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"fmt"
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rdns "github.com/folbricht/routedns"
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"github.com/miekg/dns"
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)
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func Example_resolver() {
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// Define resolver
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r, _ := rdns.NewDoTClient("test-dot", "dns.google:853", rdns.DoTClientOptions{})
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// Build a query
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q := new(dns.Msg)
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q.SetQuestion("google.com.", dns.TypeA)
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// Resolve the query
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a, _ := r.Resolve(q, rdns.ClientInfo{})
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fmt.Println(a)
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}
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func Example_group() {
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// Define resolvers
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r1, _ := rdns.NewDNSClient("google1", "8.8.8.8:53", "udp", rdns.DNSClientOptions{})
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r2, _ := rdns.NewDNSClient("google2", "8.8.4.4:53", "udp", rdns.DNSClientOptions{})
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// Combine them int a group that does round-robin over the two resolvers
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g := rdns.NewRoundRobin("test-rr", r1, r2)
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// Build a query
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q := new(dns.Msg)
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q.SetQuestion("google.com.", dns.TypeA)
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// Resolve the query
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a, _ := g.Resolve(q, rdns.ClientInfo{})
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fmt.Println(a)
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}
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func Example_router() {
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// Define resolvers
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google, _ := rdns.NewDNSClient("g-dns", "8.8.8.8:53", "udp", rdns.DNSClientOptions{})
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cloudflare, _ := rdns.NewDNSClient("cf-dns", "1.1.1.1:53", "udp", rdns.DNSClientOptions{})
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// Build a router that will send all "*.cloudflare.com" to the cloudflare
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// resolver while everything else goes to the google resolver (default)
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route1, _ := rdns.NewRoute(`\.cloudflare\.com\.$`, "", nil, nil, "", "", "", "", "", "", "", cloudflare)
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route2, _ := rdns.NewRoute("", "", nil, nil, "", "", "", "", "", "", "", google)
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r := rdns.NewRouter("my-router")
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r.Add(route1, route2)
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// Build a query
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q := new(dns.Msg)
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q.SetQuestion("www.cloudflare.com.", dns.TypeA)
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// Resolve the query
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a, _ := r.Resolve(q, rdns.ClientInfo{})
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fmt.Println(a)
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}
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