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feat(netsim): introduce well-known hosts (#25)
This allows us to further reduce the boilerplate in tests.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,73 @@ | ||
| // | ||
| // SPDX-License-Identifier: GPL-3.0-or-later | ||
| // | ||
| // Well-known host configurations for common internet services | ||
| // used in network testing scenarios. | ||
| // | ||
|
|
||
| package netsim | ||
|
|
||
| import "net/http" | ||
|
|
||
| // MustNewGoogleDNSStack creates a new stack simulating dns.google. | ||
| func (s *Scenario) MustNewGoogleDNSStack() *Stack { | ||
| handler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { | ||
| w.Write([]byte("Google Public DNS server.\n")) | ||
| }) | ||
| return s.MustNewStack(&StackConfig{ | ||
| DomainNames: []string{ | ||
| "dns.google", | ||
| "dns.google.com", | ||
| }, | ||
| Addresses: []string{ | ||
| "2001:4860:4860::8888", | ||
| "8.8.8.8", | ||
| }, | ||
| DNSOverUDPHandler: s.DNSHandler(), | ||
| HTTPHandler: handler, | ||
| HTTPSHandler: handler, | ||
| }) | ||
| } | ||
|
|
||
| // MustNewExampleComStack creates a new stack simulating www.example.com. | ||
| func (s *Scenario) MustNewExampleComStack() *Stack { | ||
| handler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { | ||
| w.Write([]byte("Example Web Server.\n")) | ||
| }) | ||
| return s.MustNewStack(&StackConfig{ | ||
| DomainNames: []string{ | ||
| "www.example.com", | ||
| "example.com", | ||
| "www.example.org", | ||
| "example.org", | ||
| }, | ||
| Addresses: []string{ | ||
| "2606:2800:21f:cb07:6820:80da:af6b:8b2c", | ||
| "93.184.216.34", | ||
| }, | ||
| HTTPHandler: handler, | ||
| HTTPSHandler: handler, | ||
| }) | ||
| } | ||
|
|
||
| // MustNewClientStack creates a new client stack with standard testing configuration. | ||
| // | ||
| // We use GARR's (Italian Research & Education Network) public addresses | ||
| // (193.206.158.22 and 2001:760:0:158::22) as default client addresses. | ||
| // These are chosen over documentation ranges (like 192.0.2.0/24) to avoid | ||
| // triggering bogon filters in network simulation scenarios, while still | ||
| // being associated with a public research institution. | ||
| // | ||
| // The stack uses Google's public DNS addresses as the default resolvers. | ||
| func (s *Scenario) MustNewClientStack() *Stack { | ||
| return s.MustNewStack(&StackConfig{ | ||
| Addresses: []string{ | ||
| "193.206.158.22", | ||
| "2001:760:0:158::22", | ||
| }, | ||
| ClientResolvers: []string{ | ||
| "2001:4860:4860::8888", | ||
| "8.8.8.8", | ||
| }, | ||
| }) | ||
| } |