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TUN-8640: Refactor ICMPRouter to support new ICMPResponders

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A new ICMPResponder interface is introduced to provide different
implementations of how the ICMP flows should return to the QUIC
connection muxer.

Improves usages of netip.AddrPort to leverage the embedded zone
field for IPv6 addresses.

Closes TUN-8640
This commit is contained in:
Devin Carr
2024-11-27 12:46:08 -08:00
parent 46dc6316f9
commit 9da15b5d96
19 changed files with 199 additions and 236 deletions
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15
ingress/packet_router_test.go
View File

@@ -19,16 +19,17 @@ import (
)
var (
packetConfig = &GlobalRouterConfig{
ICMPRouter: nil,
IPv4Src: netip.MustParseAddr("172.16.0.1"),
IPv6Src: netip.MustParseAddr("fd51:2391:523:f4ee::1"),
defaultRouter = &icmpRouter{
ipv4Proxy: nil,
ipv4Src: netip.MustParseAddr("172.16.0.1"),
ipv6Proxy: nil,
ipv6Src: netip.MustParseAddr("fd51:2391:523:f4ee::1"),
}
)
func TestRouterReturnTTLExceed(t *testing.T) {
muxer := newMockMuxer(0)
router := NewPacketRouter(packetConfig, muxer, &noopLogger)
router := NewPacketRouter(defaultRouter, muxer, 0, &noopLogger)
ctx, cancel := context.WithCancel(context.Background())
routerStopped := make(chan struct{})
go func() {
@@ -53,7 +54,7 @@ func TestRouterReturnTTLExceed(t *testing.T) {
},
},
}
assertTTLExceed(t, &pk, router.globalConfig.IPv4Src, muxer)
assertTTLExceed(t, &pk, defaultRouter.ipv4Src, muxer)
pk = packet.ICMP{
IP: &packet.IP{
Src: netip.MustParseAddr("fd51:2391:523:f4ee::1"),
@@ -71,7 +72,7 @@ func TestRouterReturnTTLExceed(t *testing.T) {
},
},
}
assertTTLExceed(t, &pk, router.globalConfig.IPv6Src, muxer)
assertTTLExceed(t, &pk, defaultRouter.ipv6Src, muxer)
cancel()
<-routerStopped